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RFID EPC GEN2 协议1.pdf

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    Index of Figures
    Index of Tables
    1 (Informative) Glossary
    2 Introduction
    3 Role within the EPCglobal Network Architecture
    4 Terminology and Typographical Conventions
    5 Overview of LLRP
    5.1 Typical LLRP Timeline
    6 LLRP Operation
    6.1 Inventory, RF Survey and Access Operations
    6.1.1 Operation Triggers
    6.1.1.1 Summary
    6.1.1.2 Reader Operation Triggers
    6.1.1.3 Access Operation Triggers
    6.2 Reporting, Event Notification and Keepalives
    7 Messages, Parameters and Fields
    7.1 Overview
    7.1.1 Formatting Conventions
    7.1.2 Messages
    7.1.3 Parameters
    7.1.3.1 General Parameters
    7.1.3.1.1 Timestamp
    7.1.3.1.1.1 UTCTimestamp Parameter
    7.1.3.1.1.2 Uptime Parameter
    7.1.4 Fields
    7.1.5 Functional Grouping
    7.1.6 LLRP Messages and Actions
    8 Custom Extension
    8.1 CUSTOM_MESSAGE
    8.2 Custom Parameter
    8.3 Custom Extension in Commands
    8.4 Custom Extension in Individual LLRP Parameters
    8.5 Allowable Parameter Extension
    9 Reader Device Capabilities
    9.1 Messages
    9.1.1 GET_READER_CAPABILITIES
    9.1.2 GET_READER_CAPABILITIES_RESPONSE
    9.2 Parameters
    9.2.1 GeneralDeviceCapabilities Parameter
    9.2.1.1 ReceiveSensitivityTableEntry Parameter
    9.2.1.2 PerAntennaReceiveSensitivityRange Parameter
    9.2.1.3 PerAntennaAirProtocol Parameter
    9.2.1.4 GPIOCapabilities Parameter
    9.2.2 LLRPCapabilities Parameter
    9.2.3 AirProtocolLLRPCapabilities Parameter
    9.2.4 RegulatoryCapabilities Parameter
    9.2.4.1 UHFBandCapabilities Parameter
    9.2.4.1.1 TransmitPowerLevelTableEntry Parameter
    9.2.4.1.2 FrequencyInformation Parameter
    9.2.4.1.2.1 FrequencyHopTable Parameter
    9.2.4.1.2.2 FixedFrequencyTable Parameter
    10 Reader Operation (RO)
    10.1 Messages
    10.1.1 ADD_ROSPEC
    10.1.2 ADD_ROSPEC_RESPONSE
    10.1.3 DELETE_ROSPEC
    10.1.4 DELETE_ROSPEC_RESPONSE
    10.1.5 START_ROSPEC
    10.1.6 START_ROSPEC_RESPONSE
    10.1.7 STOP_ROSPEC
    10.1.8 STOP_ROSPEC_RESPONSE
    10.1.9 ENABLE_ROSPEC
    10.1.10 ENABLE_ROSPEC_RESPONSE
    10.1.11 DISABLE_ROSPEC
    10.1.12 DISABLE_ROSPEC_RESPONSE
    10.1.13 GET_ROSPECS
    10.1.14 GET_ROSPECS_RESPONSE
    10.2 Parameters
    10.2.1 ROSpec Parameter
    10.2.1.1 ROBoundarySpec Parameter
    10.2.1.1.1 ROSpecStartTrigger Parameter
    10.2.1.1.1.1 PeriodicTriggerValue Parameter
    10.2.1.1.1.2 GPITriggerValue Parameter
    10.2.1.1.2 ROSpecStopTrigger Parameter
    10.2.2 AISpec Parameter
    10.2.2.1 AISpecStopTrigger Parameter
    10.2.2.1.1 TagObservationTrigger Parameter
    10.2.2.2 InventoryParameterSpec Parameter
    10.2.3 RFSurveySpec Parameter
    10.2.3.1 RFSurveySpecStopTrigger Parameter
    11 Access Operation
    11.1 Messages
    11.1.1 ADD_ACCESSSPEC
    11.1.2 ADD_ACCESSSPEC_RESPONSE
    11.1.3 DELETE_ACCESSSPEC
    11.1.4 DELETE_ACCESSSPEC_RESPONSE
    11.1.5 ENABLE_ACCESSSPEC
    11.1.6 ENABLE_ACCESSSPEC_RESPONSE
    11.1.7 DISABLE_ACCESSSPEC
    11.1.8 DISABLE_ACCESSSPEC_RESPONSE
    11.1.9 GET_ACCESSSPECS
    11.1.10 GET_ACCESSSPECS_RESPONSE
    11.1.11 CLIENT_REQUEST_OP
    11.1.12 CLIENT_REQUEST_OP_RESPONSE
    11.2 Parameters
    11.2.1 AccessSpec Parameter
    11.2.1.1 AccessSpecStopTrigger Parameter
    11.2.1.2 AccessCommand Parameter
    11.2.1.2.1 ClientRequestOpSpec Parameter
    11.2.2 ClientRequestResponse Parameter
    12 Reader Device Configuration
    12.1 Messages
    12.1.1 GET_READER_CONFIG
    12.1.2 GET_READER_CONFIG_RESPONSE
    12.1.3 SET_READER_CONFIG
    12.1.4 SET_READER_CONFIG_RESPONSE
    12.1.5 CLOSE_CONNECTION
    12.1.6 CLOSE_CONNECTION_RESPONSE
    12.2 Parameters
    12.2.1 LLRPConfigurationStateValue Parameter
    12.2.2 Identification Parameter
    12.2.3 GPOWriteData Parameter
    12.2.4 KeepaliveSpec Parameter
    12.2.5 AntennaProperties Parameter
    12.2.6 AntennaConfiguration Parameter
    12.2.6.1 RFReceiver Parameter
    12.2.6.2 RFTransmitter Parameter
    12.2.6.3 GPIPortCurrentState Parameter
    12.2.6.4 EventsAndReports Parameter
    13 Reports, Notifications and Keepalives
    13.1 Messages
    13.1.1 GET_REPORT
    13.1.2 RO_ACCESS_REPORT
    13.1.3 KEEPALIVE
    13.1.4 KEEPALIVE_ACK
    13.1.5 READER_EVENT_NOTIFICATION
    13.1.6 ENABLE_EVENTS_AND_REPORTS
    13.2 Parameters
    13.2.1 ROReportSpec Parameter
    13.2.1.1 TagReportContentSelector Parameter
    13.2.2 AccessReportSpec Parameter
    13.2.3 TagReportData Parameter
    13.2.3.1 Accumulation of TagReportData
    13.2.3.2 EPCData Parameter
    13.2.3.3 ROSpecID Parameter
    13.2.3.4 SpecIndex Parameter
    13.2.3.5 InventoryParameterSpecID Parameter
    13.2.3.6 AntennaID Parameter
    13.2.3.7 PeakRSSI Parameter
    13.2.3.8 ChannelIndex Parameter
    13.2.3.9 FirstSeenTimestampUTC Parameter
    13.2.3.10 FirstSeenTimestampUptime Parameter
    13.2.3.11 LastSeenTimestampUTC Parameter
    13.2.3.12 LastSeenTimestampUptime Parameter
    13.2.3.13 TagSeenCount Parameter
    13.2.3.14 ClientRequestOpSpecResult Parameter
    13.2.3.15 AccessSpecID Parameter
    13.2.4 RFSurveyReportData Parameter
    13.2.4.1 FrequencyRSSILevelEntry Parameter
    13.2.5 ReaderEventNotificationSpec Parameter
    13.2.5.1 EventNotificationState Parameter
    13.2.6 ReaderEventNotificationData Parameter
    13.2.6.1 Requirements for Ordering of Event Reporting
    13.2.6.2 HoppingEvent Parameter
    13.2.6.3 GPIEvent Parameter
    13.2.6.4 ROSpecEvent Parameter
    13.2.6.5 ReportBufferLevelWarningEvent Parameter
    13.2.6.6 ReportBufferOverflowErrorEvent Parameter
    13.2.6.7 ReaderExceptionEvent Parameter
    13.2.6.7.1 OpSpecID Parameter
    13.2.6.8 RFSurveyEvent Parameter
    13.2.6.9 AISpecEvent Parameter
    13.2.6.10 AntennaEvent Parameter
    13.2.6.11 ConnectionAttemptEvent Parameter
    13.2.6.12 ConnectionCloseEvent Parameter
    14 Errors
    14.1 Messages
    14.1.1 ERROR_MESSAGE
    14.2 Parameters
    14.2.1 LLRP Status Codes
    14.2.2 LLRPStatus Parameter
    14.2.2.1 FieldError Parameter
    14.2.2.2 ParameterError Parameter
    15 Air Protocol Specific Parameters
    15.1 LLRP Air Protocol Cross-Reference Tables
    15.1.1 Class-1 Generation-2 (C1G2) Air Protocol
    15.2 LLRP Air Protocol Specific Parameters
    15.2.1 Class-1 Generation-2 (C1G2) Air Protocol
    15.2.1.1 Reader Device Capabilities
    15.2.1.1.1 C1G2LLRPCapabilities Parameter
    15.2.1.1.2 UHFC1G2RFModeTable Parameter
    15.2.1.1.2.1 UHFC1G2RFModeTableEntry Parameter
    15.2.1.2 Inventory Operation
    15.2.1.2.1 C1G2InventoryCommand Parameter
    15.2.1.2.1.1 C1G2Filter Parameter
    15.2.1.2.1.1.1 C1G2TagInventoryMask Parameter
    15.2.1.2.1.1.2 C1G2TagInventoryStateAwareFilterAction Parameter
    15.2.1.2.1.1.3 C1G2TagInventoryStateUnawareFilterAction Parameter
    15.2.1.2.1.2 C1G2RF Control Parameter
    15.2.1.2.1.3 C1G2SingulationControl Parameter
    15.2.1.2.1.3.1 C1G2TagInventoryStateAwareSingulationAction Parameter
    15.2.1.3 Access Operation
    15.2.1.3.1 C1G2TagSpec Parameter
    15.2.1.3.1.1 C1G2TargetTag Parameter
    15.2.1.3.2 C1G2 OpSpec Parameters
    15.2.1.3.2.1 C1G2Read Parameter
    15.2.1.3.2.2 C1G2Write Parameter
    15.2.1.3.2.3 C1G2Kill Parameter
    15.2.1.3.2.4 C1G2Lock Parameter
    15.2.1.3.2.4.1 C1G2LockPayload Parameter
    15.2.1.3.2.5 C1G2BlockErase Parameter
    15.2.1.3.2.6 C1G2BlockWrite Parameter
    15.2.1.4 Reader Device Configuration
    15.2.1.5 Reports
    15.2.1.5.1 C1G2EPCMemorySelector Parameter
    15.2.1.5.2 C1G2PC Parameter
    15.2.1.5.3 C1G2CRC Parameter
    15.2.1.5.4 C1G2SingulationDetails Parameter
    15.2.1.5.5 C1G2 OpSpec Results
    15.2.1.5.5.1 C1G2ReadOpSpecResult Parameter
    15.2.1.5.5.2 C1G2WriteOpSpecResult Parameter
    15.2.1.5.5.3 C1G2KillOpSpecResult Parameter
    15.2.1.5.5.4 C1G2LockOpSpecResult Parameter
    15.2.1.5.5.5 C1G2BlockEraseOpSpecResult Parameter
    15.2.1.5.5.6 C1G2BlockWriteOpSpecResult Parameter
    16 Binary Encoding for LLRP
    16.1 Messages
    16.1.1 GET_READER_CAPABILITIES
    16.1.2 GET_READER_CAPABILITIES_RESPONSE
    16.1.3 ADD_ROSPEC
    16.1.4 ADD_ROSPEC_RESPONSE
    16.1.5 DELETE_ROSPEC
    16.1.6 DELETE_ROSPEC_RESPONSE
    16.1.7 START_ROSPEC
    16.1.8 START_ROSPEC_RESPONSE
    16.1.9 STOP_ROSPEC
    16.1.10 STOP_ROSPEC_RESPONSE
    16.1.11 ENABLE_ROSPEC
    16.1.12 ENABLE_ROSPEC_RESPONSE
    16.1.13 DISABLE_ROSPEC
    16.1.14 DISABLE_ROSPEC_RESPONSE
    16.1.15 GET_ROSPECS
    16.1.16 GET_ROSPECS_RESPONSE
    16.1.17 ADD_ACCESSSPEC
    16.1.18 ADD_ACCESSSPEC_RESPONSE
    16.1.19 DELETE_ACCESSSPEC
    16.1.20 DELETE_ACCESSSPEC_RESPONSE
    16.1.21 ENABLE_ACCESSSPEC
    16.1.22 ENABLE_ACCESSSPEC_RESPONSE
    16.1.23 DISABLE_ACCESSSPEC
    16.1.24 DISABLE_ACCESSSPEC_RESPONSE
    16.1.25 GET_ACCESSSPECS
    16.1.26 GET_ACCESSSPECS_RESPONSE
    16.1.27 CLIENT_REQUEST_OP
    16.1.28 CLIENT_REQUEST_OP_RESPONSE
    16.1.29 GET_REPORT
    16.1.30 RO_ACCESS_REPORT
    16.1.31 KEEPALIVE
    16.1.32 KEEPALIVE_ACK
    16.1.33 READER_EVENT_NOTIFICATION
    16.1.34 ENABLE_EVENTS_AND_REPORTS
    16.1.35 ERROR_MESSAGE
    16.1.36 GET_READER_CONFIG
    16.1.37 GET_READER_CONFIG_RESPONSE
    16.1.38 SET_READER_CONFIG
    16.1.39 SET_READER_CONFIG_RESPONSE
    16.1.40 CLOSE_CONNECTION
    16.1.41 CLOSE_CONNECTION_RESPONSE
    16.1.42 CUSTOM_MESSAGE
    16.2 LLRP Parameters
    16.2.1 TLV and TV Encoding of LLRP Parameter
    16.2.1.1 TLV-Parameters
    16.2.1.1.1 Encoding Guidelines for TLV-Parameters
    16.2.1.2 TV-Parameters
    16.2.1.2.1 Encoding Guidelines for TV-Parameters
    16.2.2 General Parameters
    16.2.2.1 UTCTimestamp Parameter
    16.2.2.2 Uptime Parameter
    16.2.3 Reader Device Capabilities Parameters
    16.2.3.1 GeneralDeviceCapabilities Parameter
    16.2.3.1.1 ReceiveSensitivityTableEntry Parameter
    16.2.3.1.2 PerAntennaReceiveSensitivityRange Parameter
    16.2.3.1.3 PerAntennaAirProtocol Parameter
    16.2.3.1.4 GPIOCapabilities Parameter
    16.2.3.2 LLRPCapabilities Parameter
    16.2.3.3 AirProtocolLLRPCapabilities Parameter
    16.2.3.4 RegulatoryCapabilities Parameter
    16.2.3.4.1 UHFBandCapabilities Parameter
    16.2.3.4.1.1 TransmitPowerLevelTableEntry Parameter
    16.2.3.4.1.2 FrequencyInformation Parameter
    16.2.3.4.1.2.1 FrequencyHopTable Parameter
    16.2.3.4.1.2.2 FixedFrequencyTable Parameter
    16.2.4 Reader Operations Parameters
    16.2.4.1 ROSpec Parameter
    16.2.4.1.1 ROBoundarySpec Parameter
    16.2.4.1.1.1 ROSpecStartTrigger Parameter
    16.2.4.1.1.1.1 PeriodicTriggerValue Parameter
    16.2.4.1.1.1.2 GPITriggerValue Parameter
    16.2.4.1.1.2 ROSpecStopTrigger Parameter
    16.2.4.2 AISpec Parameter
    16.2.4.2.1 AISpecStopTrigger Parameter
    16.2.4.2.1.1 TagObservationTrigger Parameter
    16.2.4.2.2 InventoryParameterSpec Parameter
    16.2.4.3 RFSurveySpec Parameter
    16.2.4.3.1 RFSurveySpecStopTrigger Parameter
    16.2.5 Access Operation Parameters
    16.2.5.1 AccessSpec Parameter
    16.2.5.1.1 AccessSpecStopTrigger Parameter
    16.2.5.1.2 AccessCommand Parameter
    16.2.5.1.3 ClientRequestOpSpec Parameter
    16.2.5.1.3.1 ClientRequestResponse Parameter
    16.2.6 Configuration Parameters
    16.2.6.1 LLRPConfigurationStateValue Parameter
    16.2.6.2 Identification Parameter
    16.2.6.3 GPOWriteData Parameter
    16.2.6.4 KeepaliveSpec Parameter
    16.2.6.5 AntennaProperties Parameter
    16.2.6.6 AntennaConfiguration Parameter
    16.2.6.7 RFReceiver Parameter
    16.2.6.8 RFTransmitter Parameter
    16.2.6.9 GPIPortCurrentState Parameter
    16.2.6.10 EventsAndReports Parameter
    16.2.7 Reporting Parameters
    16.2.7.1 ROReportSpec Parameter
    16.2.7.1.1 TagReportContentSelector Parameter
    16.2.7.2 AccessReportSpec Parameter
    16.2.7.3 TagReportData Parameter
    16.2.7.3.1 EPCData Parameter
    16.2.7.3.2 EPC-96 Parameter (TV-Encoding)
    16.2.7.3.3 ROSpecID Parameter (TV-Encoding)
    16.2.7.3.4 SpecIndex Parameter (TV-Encoding)
    16.2.7.3.5 InventoryParameterSpecID Parameter (TV-Encoding)
    16.2.7.3.6 AntennaID Parameter (TV-Encoding)
    16.2.7.3.7 PeakRSSI Parameter (TV-Encoding)
    16.2.7.3.8 ChannelIndex Parameter (TV-Encoding)
    16.2.7.3.9 FirstSeenTimestampUTC Parameter (TV-Encoding)
    16.2.7.3.10 FirstSeenTimestampUptime Parameter (TV-Encoding)
    16.2.7.3.11 LastSeenTimestampUTC Parameter (TV-Encoding)
    16.2.7.3.12 LastSeenTimestampUptime Parameter (TV-Encoding)
    16.2.7.3.13 TagSeenCount Parameter (TV-Encoding)
    16.2.7.3.14 ClientRequestOpSpecResult Parameter (TV-Encoding)
    16.2.7.3.15 AccessSpecID Parameter (TV-Encoding)
    16.2.7.4 RFSurveyReportData Parameter
    16.2.7.4.1 FrequencyRSSILevelEntry Parameter
    16.2.7.5 ReaderEventNotificationSpec Parameter
    16.2.7.5.1 EventNotificationState Parameter
    16.2.7.6 ReaderEventNotificationData Parameter
    16.2.7.6.1 HoppingEvent Parameter
    16.2.7.6.2 GPIEvent Parameter
    16.2.7.6.3 ROSpecEvent Parameter
    16.2.7.6.4 ReportBufferLevelWarningEvent Parameter
    16.2.7.6.5 ReportBufferOverflowErrorEvent Parameter
    16.2.7.6.6 ReaderExceptionEvent Parameter
    16.2.7.6.6.1 OpSpecID Parameter (TV-Encoding)
    16.2.7.6.7 RFSurveyEvent Parameter
    16.2.7.6.8 AISpecEvent Parameter
    16.2.7.6.9 AntennaEvent Parameter
    16.2.7.6.10 ConnectionAttemptEvent Parameter
    16.2.7.6.11 ConnectionCloseEvent Parameter
    16.2.8 LLRP Error Parameters
    16.2.8.1 LLRPStatus Parameter
    16.2.8.1.1 FieldError Parameter
    16.2.8.1.2 ParameterError Parameter
    16.2.9 Custom Parameter
    16.3 Air Protocol Specific Parameters
    16.3.1 Class-1 Generation-2 (C1G2) Protocol Parameters
    16.3.1.1 Capabilities Parameters
    16.3.1.1.1 C1G2LLRPCapabilities Parameter
    16.3.1.1.2 UHFC1G2RFModeTable Parameter
    16.3.1.1.2.1 UHFC1G2RFModeTableEntry Parameter
    16.3.1.2 Reader Operations Parameters
    16.3.1.2.1 C1G2InventoryCommand Parameter
    16.3.1.2.1.1 C1G2Filter Parameter
    16.3.1.2.1.1.1 C1G2TagInventoryMask Parameter
    16.3.1.2.1.1.2 C1G2TagInventoryStateAwareFilterAction Parameter
    16.3.1.2.1.1.3 C1G2TagInventoryStateUnawareFilterAction Parameter
    16.3.1.2.1.2 C1G2RFControl Parameter
    16.3.1.2.1.3 C1G2SingulationControl Parameter
    16.3.1.2.1.3.1 C1G2TagInventoryStateAwareSingulationAction Parameter
    16.3.1.3 Access Operation Parameters
    16.3.1.3.1 C1G2TagSpec Parameter
    16.3.1.3.1.1 C1G2TargetTag Parameter
    16.3.1.3.2 C1G2 OpSpecs
    16.3.1.3.2.1 C1G2Read Parameter
    16.3.1.3.2.2 C1G2Write Parameter
    16.3.1.3.2.3 C1G2Kill Parameter
    16.3.1.3.2.4 C1G2Lock Parameter
    16.3.1.3.2.4.1 C1G2LockPayload Parameter
    16.3.1.3.2.5 C1G2BlockErase Parameter
    16.3.1.3.2.6 C1G2BlockWrite Parameter
    16.3.1.4 Configuration Parameters
    16.3.1.5 Reporting Parameters
    16.3.1.5.1 C1G2EPCMemorySelector Parameter
    16.3.1.5.2 C1G2PC Parameter (TV-Encoding)
    16.3.1.5.3 C1G2CRC Parameter (TV-Encoding)
    16.3.1.5.4 C1G2SingulationDetails Parameter (TV-Encoding)
    16.3.1.5.5 C1G2 OpSpec Results
    16.3.1.5.5.1 C1G2ReadOpSpecResult Parameter
    16.3.1.5.5.2 C1G2WriteOpSpecResult Parameter
    16.3.1.5.5.3 C1G2KillOpSpecResult Parameter
    16.3.1.5.5.4 C1G2LockOpSpecResult Parameter
    16.3.1.5.5.5 C1G2BlockEraseOpSpecResult Parameter
    16.3.1.5.5.6 C1G2BlockWriteOpSpecResult Parameter
    16.4 Listing of Message and Parameter Types
    17 Transmitter Behavior of a Reader
    18 Connection and Transport
    18.1 TCP Transport
    18.2 Security in TCP Transport
    18.2.1 Normative Section
    18.2.2 Informative Section
    18.2.2.1 Overview of TLS
    18.2.2.2 Threat Analysis for LLRP
    18.2.2.3 Configuration Elements for TLS
    18.2.2.4 Why different TLS server port?
    19 (Informative) Object Model
    19.1 Capabilities
    19.2 Configuration
    19.3 ROSpec
    19.4 AccessSpec
    19.5 C1G2 Parameters
    19.6 Reporting and Notification
    19.7 General
    20 (Informative) TCP Keepalives
    21 (Informative) References
    22 Acknowledgement of Contributors and Companies Opt’d-in during the Creation of this Standard (Informative)
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Low Level Reader Protocol (LLRP), Version 1.0.1 Ratified Standard with Approved Fixed Errata August 13, 2007 Disclaimer EPCglobal Inc™ is providing this document as a service to interested industries. This document was developed through a consensus process of interested parties. Although efforts have been to assure that the document is correct, reliable, and technically accurate, EPCglobal Inc makes NO WARRANTY, EXPRESS OR IMPLIED, THAT THIS DOCUMENT IS CORRECT, WILL NOT REQUIRE MODIFICATION AS EXPERIENCE AND TECHNOLOGICAL ADVANCES DICTATE, OR WILL BE SUITABLE FOR ANY PURPOSE OR WORKABLE IN ANY APPLICATION, OR OTHERWISE. Use of this document is with the understanding that EPCglobal Inc has no liability for any claim to the contrary, or for any damage or loss of any kind or nature. © 2006, 2007, EPCglobal Inc. Copyright notice All rights reserved. Unauthorized reproduction, modification, and/or use of this document is not permitted. Requests for permission to reproduce should be addressed to epcglobal@epcglobalinc.org. EPCglobal Inc.TM is providing this document as a service to interested industries. This document was developed through a consensus process of interested parties. Although efforts have been to assure that the document is correct, reliable, and technically accurate, EPCglobal Inc. makes NO WARRANTY, EXPRESS OR IMPLIED, THAT THIS DOCUMENT IS CORRECT, WILL NOT REQUIRE MODIFICATION AS EXPERIENCE AND TECHNOLOGICAL ADVANCES DICTATE, OR WILL BE SUITABLE FOR ANY PURPOSE OR WORKABLE IN ANY APPLICATION, OR OTHERWISE. Use of this Document is with the understanding that EPCglobal Inc. has no liability for any claim to the contrary, or for any damage or loss of any kind or nature Copyright © 2005-2007 EPCglobal®, All Rights Reserved. Page 1 of 194
    35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Abstract This document specifies an interface between RFID Readers and Clients. The interface protocol is called low-level because it provides control of RFID air protocol operation timing and access to air protocol command parameters. The design of this interface recognizes that in some RFID systems, there is a requirement for explicit knowledge of RFID air protocols and the ability to control Readers that implement RFID air protocol communications. It also recognizes that coupling control to the physical layers of an RFID infrastructure may be useful for the purpose of mitigating RFID interference. Audience for this document The target audience for this specification includes: RFID Network Infrastructure vendors Reader vendors EPC Middleware vendors System integrators Status of this document This section describes the status of this document at the time of its publication. Other documents may supersede this document. The latest status of this document series is maintained at EPCglobal. See www.epcglobalinc.org for more information. This draft fixes errata in version 1.0 of LLRP that was ratified on April 12, 2007. A summary of the fixed errata is contained in the table below. Note that Section and Line numbers referenced are per version 1 of LLRP. Line numbers may be slightly different in this version 1.0.1. Comments on this document should be sent to the EPCglobal Software Action Group Reader Operations Working Group mailing list at sag_readerop@epclinklist.epcglobalinc.org. Fixed Errata Section# 16.2.3.4.1 Line # Description 2921 Disposition Replace with UHF RFMode Table Parameter (1-n) It should be a generic UHF RFModeTable Parameter (1-n) with Notes under the parameter that for C1G2 it is UHFC1G2RFModeTable 15.2.1.3.1.1 2402 No length field 15.2.1.2.1.1.1 2309 No length field 9.2.1.1 1269 Range of Rx sensitivity Remove the length field from the abstract Remove the length field from the abstract 0-128 (relative to max sensitivity) Copyright © 2005-2007 EPCglobal®, All Rights Reserved. Page 2 of 194
    16.1.2 2593 9.2.4.1.2.1 1336 9.2.4.1.2.2 1343 12.2.6.2, 13.2.3.8, 13.2.6.2 11.1.3 1825, 2013, 2105 1552 16.2.7.1 3088 16 14.2.2, 16.2.8.1 2535, 2538 2215, 3270 16.4 3480 10.2.1, 16.2.4.1 1452, 2947 16.4 8.2 6.1 3742 1194 717 C1G2LLRPCapabilities should be replaced by AirProtocolLLRPCapabilities Parameter (0-1) This is followed by a list of the frequencies (in Khz) in hop table order. The position of a frequency in the list is its ChannelIndex. (These are used by the hopping event parameter) This parameter carries the fixed frequency list that can be used by the Reader. The position of a frequency in the list is its ChannelIndex. TheseChannelIndexes are used by the RfTransmitter Parameter , Channel Index Parameter, HoppingEventParameter Delete access spec does not allow 0 like all other access spec commands. This is believed to be an errata Custom parameter is 0-1. All others are 0-N. This is believed to be an errata Encoding example:: message length is 32 bits, but shown as 16 bits and 32-bit messageID is not shown The abstract LLRPStatusParameter contains a field called statusCode. The binding references the same field as ErrorCode In 16.4, table 5, "ReaderSensitivityTableEntry" should be ReceiveSensitivyTableElement In 10.2.1, the field "Current State" is listed as the last element of the ROSpec Parameter, the binding lists the same field as the 4th last element. ReadEventNotification Possible Values 0-255 An AISpec binds a stop trigger and a set of antennas to a set of InventoryParameterSpecs and is identified by a spec Identifier Replace with AirProtocolLLRPCapabilties Parameter (0-1) This is followed by a list of the frequencies (in Khz) in hop table order. The one-based position of a frequency in the list is its ChannelIndex (i.e. the first frequency is referred to as ChannelIndex 1) This parameter carries the fixed frequency list that can be used by the Reader. The one-based position of a frequency in the list is its ChannelIndex (i.e. the first frequency is refered to as ChannelIndex 1…) Possibly denote in these usages that they are 1-based Possibly add zero to mean all access specs, as in other access spec commands. Extend this to 0-N to correct errata Correct figures to match documentation Correct binding section to match abstract Change ReaderSensitivity to ReceiveSensitivity Change position of "Current State" field in abstract ROSpec Parameter Change to ReaderEventNotification Remove possible values. Changed to unsigned integer Change the spec Identifyer to a "one-based index called the SpecIndex" Copyright © 2005-2007 EPCglobal®, All Rights Reserved. Page 3 of 194
    various 61 various multiple instances of Khz Replace with kHz Copyright © 2005-2007 EPCglobal®, All Rights Reserved. Page 4 of 194
    62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 Contents 6.2 7.1 5.1 6.1 6.1.1.1 6.1.1.2 6.1.1.3 INDEX OF FIGURES................................................................................................................................ 13 INDEX OF TABLES.................................................................................................................................. 14 1 (INFORMATIVE) GLOSSARY...................................................................................................... 15 INTRODUCTION............................................................................................................................. 18 2 3 ROLE WITHIN THE EPCGLOBAL NETWORK ARCHITECTURE...................................... 19 TERMINOLOGY AND TYPOGRAPHICAL CONVENTIONS................................................. 21 4 OVERVIEW OF LLRP.................................................................................................................... 21 5 TYPICAL LLRP TIMELINE .......................................................................................................... 22 LLRP OPERATION......................................................................................................................... 23 INVENTORY, RF SURVEY AND ACCESS OPERATIONS ................................................................. 23 6.1.1 Operation Triggers............................................................................................................... 32 Summary.................................................................................................................................... 32 Reader Operation Triggers......................................................................................................... 33 Access Operation Triggers......................................................................................................... 34 REPORTING, EVENT NOTIFICATION AND KEEPALIVES................................................................ 34 7 MESSAGES, PARAMETERS AND FIELDS................................................................................ 35 OVERVIEW ................................................................................................................................. 35 7.1.1 Formatting Conventions....................................................................................................... 35 7.1.2 Messages............................................................................................................................... 36 Parameters ........................................................................................................................... 37 7.1.3 General Parameters .................................................................................................................... 37 Timestamp ............................................................................................................................ 37 7.1.3.1.1.1 UTCTimestamp Parameter............................................................................................. 37 7.1.3.1.1.2 Uptime Parameter........................................................................................................... 37 Fields .................................................................................................................................... 38 7.1.4 Functional Grouping ............................................................................................................ 38 7.1.5 LLRP Messages and Actions ................................................................................................ 40 7.1.6 CUSTOM EXTENSION .................................................................................................................. 41 CUSTOM_MESSAGE.............................................................................................................. 42 CUSTOM PARAMETER................................................................................................................. 42 CUSTOM EXTENSION IN COMMANDS.......................................................................................... 42 CUSTOM EXTENSION IN INDIVIDUAL LLRP PARAMETERS ......................................................... 43 ALLOWABLE PARAMETER EXTENSION....................................................................................... 43 READER DEVICE CAPABILITIES.............................................................................................. 43 MESSAGES ................................................................................................................................. 44 9.1.1 GET_READER_CAPABILITIES .......................................................................................... 44 9.1.2 GET_READER_CAPABILITIES_RESPONSE ..................................................................... 44 PARAMETERS ............................................................................................................................. 45 9.2.1 GeneralDeviceCapabilities Parameter................................................................................. 45 ReceiveSensitivityTableEntry Parameter................................................................................... 45 PerAntennaReceiveSensitivityRange Parameter........................................................................ 46 PerAntennaAirProtocol Parameter............................................................................................. 46 9.2.1.1 9.2.1.2 9.2.1.3 7.1.3.1 7.1.3.1.1 8.1 8.2 8.3 8.4 8.5 9.1 9.2 6 8 9 Copyright © 2005-2007 EPCglobal®, All Rights Reserved. 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    105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 9.2.1.4 9.2.2 9.2.3 9.2.4 9.2.4.1 9.2.4.1.1 9.2.4.1.2 10.1.1 10.1.2 10.1.3 10.1.4 10.1.5 10.1.6 10.1.7 10.1.8 10.1.9 10.1.10 10.1.11 10.1.12 10.1.13 10.1.14 10.2.1 GPIOCapabilities Parameter ...................................................................................................... 47 LLRPCapabilities Parameter ............................................................................................... 47 AirProtocolLLRPCapabilities Parameter ............................................................................ 48 RegulatoryCapabilities Parameter....................................................................................... 48 UHFBandCapabilities Parameter ............................................................................................... 49 TransmitPowerLevelTableEntry Parameter.......................................................................... 49 FrequencyInformation Parameter ......................................................................................... 50 9.2.4.1.2.1 FrequencyHopTable Parameter ...................................................................................... 50 9.2.4.1.2.2 FixedFrequencyTable Parameter.................................................................................... 50 10 READER OPERATION (RO)......................................................................................................... 51 10.1 MESSAGES ................................................................................................................................. 51 ADD_ROSPEC ................................................................................................................ 51 ADD_ROSPEC_RESPONSE ........................................................................................... 51 DELETE_ROSPEC.......................................................................................................... 52 DELETE_ROSPEC_RESPONSE..................................................................................... 52 START_ROSPEC ............................................................................................................. 52 START_ROSPEC_RESPONSE ........................................................................................ 52 STOP_ROSPEC............................................................................................................... 53 STOP_ROSPEC_RESPONSE.......................................................................................... 53 ENABLE_ROSPEC.......................................................................................................... 53 ENABLE_ROSPEC_RESPONSE..................................................................................... 54 DISABLE_ROSPEC......................................................................................................... 54 DISABLE_ROSPEC_RESPONSE.................................................................................... 54 GET_ROSPECS............................................................................................................... 54 GET_ROSPECS_RESPONSE.......................................................................................... 55 PARAMETERS ............................................................................................................................. 55 ROSpec Parameter .......................................................................................................... 55 ROBoundarySpec Parameter ..................................................................................................... 55 10.2.1.1.1 ROSpecStartTrigger Parameter............................................................................................. 56 10.2.1.1.1.1 PeriodicTriggerValue Parameter .................................................................................. 56 10.2.1.1.1.2 GPITriggerValue Parameter ......................................................................................... 57 10.2.1.1.2 ROSpecStopTrigger Parameter............................................................................................. 57 AISpec Parameter............................................................................................................ 57 AISpecStopTrigger Parameter ................................................................................................... 58 10.2.2.1.1 TagObservationTrigger Parameter........................................................................................ 58 InventoryParameterSpec Parameter ........................................................................................... 59 RFSurveySpec Parameter ................................................................................................ 59 RFSurveySpecStopTrigger Parameter ....................................................................................... 60 11 ACCESS OPERATION.................................................................................................................... 60 11.1 MESSAGES ................................................................................................................................. 60 ADD_ACCESSSPEC........................................................................................................ 60 ADD_ACCESSSPEC_RESPONSE .................................................................................. 61 DELETE_ACCESSSPEC ................................................................................................. 61 DELETE_ACCESSSPEC_RESPONSE............................................................................ 61 ENABLE_ACCESSSPEC ................................................................................................. 62 ENABLE_ACCESSSPEC_RESPONSE............................................................................ 62 DISABLE_ACCESSSPEC................................................................................................ 62 DISABLE_ACCESSSPEC_RESPONSE........................................................................... 63 GET_ACCESSSPECS ...................................................................................................... 63 GET_ACCESSSPECS_RESPONSE................................................................................. 63 CLIENT_REQUEST_OP ................................................................................................. 63 CLIENT_REQUEST_OP_RESPONSE ............................................................................ 64 PARAMETERS ............................................................................................................................. 64 AccessSpec Parameter..................................................................................................... 64 AccessSpecStopTrigger Parameter ............................................................................................ 65 11.1.1 11.1.2 11.1.3 11.1.4 11.1.5 11.1.6 11.1.7 11.1.8 11.1.9 11.1.10 11.1.11 11.1.12 11.2.1 10.2.2 10.2.2.1 10.2.2.2 10.2.3.1 10.2.3 11.2.1.1 10.2 10.2.1.1 11.2 Copyright © 2005-2007 EPCglobal®, All Rights Reserved. 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    160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 11.2.1.2 11.2.2 12.2 12.2.6.1 12.2.6.2 12.2.6.3 12.2.6.4 12.1.1 12.1.2 12.1.3 12.1.4 12.1.5 12.1.6 12.2.1 12.2.2 12.2.3 12.2.4 12.2.5 12.2.6 AccessCommand Parameter....................................................................................................... 65 11.2.1.2.1 ClientRequestOpSpec Parameter .......................................................................................... 66 ClientRequestResponse Parameter.................................................................................. 66 12 READER DEVICE CONFIGURATION ....................................................................................... 67 12.1 MESSAGES ................................................................................................................................. 67 GET_READER_CONFIG................................................................................................ 67 GET_READER_CONFIG_RESPONSE........................................................................... 68 SET_READER_CONFIG................................................................................................. 69 SET_READER_CONFIG_RESPONSE............................................................................ 70 CLOSE_CONNECTION .................................................................................................. 70 CLOSE_CONNECTION_RESPONSE............................................................................. 71 PARAMETERS ............................................................................................................................. 71 LLRPConfigurationStateValue Parameter ...................................................................... 71 Identification Parameter.................................................................................................. 72 GPOWriteData Parameter .............................................................................................. 72 KeepaliveSpec Parameter................................................................................................ 73 AntennaProperties Parameter ......................................................................................... 73 AntennaConfiguration Parameter.................................................................................... 74 RFReceiver Parameter ............................................................................................................... 74 RFTransmitter Parameter........................................................................................................... 74 GPIPortCurrentState Parameter ................................................................................................. 75 EventsAndReports Parameter .................................................................................................... 75 13 REPORTS, NOTIFICATIONS AND KEEPALIVES ................................................................... 76 13.1 MESSAGES ................................................................................................................................. 76 GET_REPORT................................................................................................................. 76 RO_ACCESS_REPORT ................................................................................................... 77 KEEPALIVE..................................................................................................................... 77 KEEPALIVE_ACK........................................................................................................... 77 READER_EVENT_NOTIFICATION ............................................................................... 77 ENABLE_EVENTS_AND_REPORTS.............................................................................. 78 PARAMETERS ............................................................................................................................. 78 ROReportSpec Parameter................................................................................................ 78 TagReportContentSelector Parameter........................................................................................ 79 AccessReportSpec Parameter .......................................................................................... 79 TagReportData Parameter .............................................................................................. 80 Accumulation of TagReportData ............................................................................................... 81 13.2.3.1 EPCData Parameter.................................................................................................................... 82 13.2.3.2 ROSpecID Parameter................................................................................................................. 82 13.2.3.3 SpecIndex Parameter.................................................................................................................. 82 13.2.3.4 InventoryParameterSpecID Parameter....................................................................................... 83 13.2.3.5 AntennaID Parameter................................................................................................................. 83 13.2.3.6 PeakRSSI Parameter .................................................................................................................. 83 13.2.3.7 ChannelIndex Parameter............................................................................................................ 83 13.2.3.8 FirstSeenTimestampUTC Parameter.......................................................................................... 83 13.2.3.9 FirstSeenTimestampUptime Parameter...................................................................................... 84 13.2.3.10 LastSeenTimestampUTC Parameter .......................................................................................... 84 13.2.3.11 LastSeenTimestampUptime Parameter ...................................................................................... 84 13.2.3.12 TagSeenCount Parameter........................................................................................................... 84 13.2.3.13 13.2.3.14 ClientRequestOpSpecResult Parameter ..................................................................................... 85 13.2.3.15 AccessSpecID Parameter ........................................................................................................... 85 RFSurveyReportData Parameter..................................................................................... 85 13.2.4.1 FrequencyRSSILevelEntry Parameter ....................................................................................... 85 ReaderEventNotificationSpec Parameter ........................................................................ 86 13.2.5.1 EventNotificationState Parameter.............................................................................................. 86 ReaderEventNotificationData Parameter........................................................................ 86 13.2.6.1 Requirements for Ordering of Event Reporting ......................................................................... 87 13.1.1 13.1.2 13.1.3 13.1.4 13.1.5 13.1.6 13.2.1 13.2.2 13.2.3 13.2.4 13.2.5 13.2.6 13.2 13.2.1.1 Copyright © 2005-2007 EPCglobal®, All Rights Reserved. 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    216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 15.1 15.2 15.1.1 15.2.1 14.2.2.1 14.2.2.2 14.1.1 14.2.1 14.2.2 HoppingEvent Parameter ........................................................................................................... 88 13.2.6.2 GPIEvent Parameter................................................................................................................... 88 13.2.6.3 ROSpecEvent Parameter............................................................................................................ 89 13.2.6.4 ReportBufferLevelWarningEvent Parameter ............................................................................. 89 13.2.6.5 ReportBufferOverflowErrorEvent Parameter............................................................................. 89 13.2.6.6 ReaderExceptionEvent Parameter.............................................................................................. 90 13.2.6.7 13.2.6.7.1 OpSpecID Parameter ............................................................................................................ 90 13.2.6.8 RFSurveyEvent Parameter......................................................................................................... 90 AISpecEvent Parameter ............................................................................................................. 91 13.2.6.9 13.2.6.10 AntennaEvent Parameter............................................................................................................ 91 13.2.6.11 ConnectionAttemptEvent Parameter.......................................................................................... 92 13.2.6.12 ConnectionCloseEvent Parameter.............................................................................................. 92 14 ERRORS............................................................................................................................................ 92 14.1 MESSAGES ................................................................................................................................. 93 ERROR_MESSAGE ......................................................................................................... 93 PARAMETERS ............................................................................................................................. 93 14.2 LLRP Status Codes .......................................................................................................... 93 LLRPStatus Parameter .................................................................................................... 95 FieldError Parameter.................................................................................................................. 96 ParameterError Parameter.......................................................................................................... 96 15 AIR PROTOCOL SPECIFIC PARAMETERS............................................................................. 97 LLRP AIR PROTOCOL CROSS-REFERENCE TABLES.................................................................... 97 Class-1 Generation-2 (C1G2) Air Protocol..................................................................... 97 LLRP AIR PROTOCOL SPECIFIC PARAMETERS ........................................................................... 98 Class-1 Generation-2 (C1G2) Air Protocol..................................................................... 98 Reader Device Capabilities........................................................................................................ 98 15.2.1.1.1 C1G2LLRPCapabilities Parameter....................................................................................... 98 15.2.1.1.2 UHFC1G2RFModeTable Parameter..................................................................................... 98 15.2.1.1.2.1 UHFC1G2RFModeTableEntry Parameter.................................................................... 99 Inventory Operation ................................................................................................................. 100 15.2.1.2.1 C1G2InventoryCommand Parameter.................................................................................. 100 15.2.1.2.1.1 C1G2Filter Parameter................................................................................................. 101 15.2.1.2.1.1.1 C1G2TagInventoryMask Parameter................................................................... 102 15.2.1.2.1.1.2 C1G2TagInventoryStateAwareFilterAction Parameter...................................... 102 15.2.1.2.1.1.3 C1G2TagInventoryStateUnawareFilterAction Parameter .................................. 103 15.2.1.2.1.2 C1G2RF Control Parameter ....................................................................................... 104 15.2.1.2.1.3 C1G2SingulationControl Parameter........................................................................... 104 15.2.1.2.1.3.1 C1G2TagInventoryStateAwareSingulationAction Parameter ............................ 105 Access Operation ..................................................................................................................... 106 15.2.1.3.1 C1G2TagSpec Parameter.................................................................................................... 106 15.2.1.3.1.1 C1G2TargetTag Parameter......................................................................................... 106 15.2.1.3.2 C1G2 OpSpec Parameters .................................................................................................. 107 15.2.1.3.2.1 C1G2Read Parameter ................................................................................................. 107 15.2.1.3.2.2 C1G2Write Parameter ................................................................................................ 107 15.2.1.3.2.3 C1G2Kill Parameter ................................................................................................... 108 15.2.1.3.2.4 C1G2Lock Parameter ................................................................................................. 108 15.2.1.3.2.4.1 C1G2LockPayload Parameter ............................................................................ 109 15.2.1.3.2.5 C1G2BlockErase Parameter ....................................................................................... 109 15.2.1.3.2.6 C1G2BlockWrite Parameter....................................................................................... 110 Reader Device Configuration................................................................................................... 110 Reports..................................................................................................................................... 110 15.2.1.5.1 C1G2EPCMemorySelector Parameter................................................................................ 110 15.2.1.5.2 C1G2PC Parameter............................................................................................................. 111 15.2.1.5.3 C1G2CRC Parameter.......................................................................................................... 111 15.2.1.5.4 C1G2SingulationDetails Parameter .................................................................................... 111 15.2.1.5.5 C1G2 OpSpec Results ........................................................................................................ 111 15.2.1.5.5.1 C1G2ReadOpSpecResult Parameter........................................................................... 111 15.2.1.5.5.2 C1G2WriteOpSpecResult Parameter.......................................................................... 112 15.2.1.5.5.3 C1G2KillOpSpecResult Parameter............................................................................. 112 15.2.1.4 15.2.1.5 15.2.1.1 15.2.1.2 15.2.1.3 Copyright © 2005-2007 EPCglobal®, All Rights Reserved. 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