22100186010000modificationstoparametertablein111.docx

1、22100186010000modificationstoparametertablein111IEEE P802.22Wireless RANsModifcations to Parameter Table in 11.1Date: 2010-11-23Author(s):NameCompanyAddressPhoneemailRanga ReddySelfranga.reddyieee.orgAbstractThis document contains modifactions to parameter table in 11.1R0 is the initial version of t

2、his documentR2 is an amendment adding parameters that set the bound of T46, as well as deal with loss of synchronization to US/DS during CPE initializationNotice: This document has been prepared to assist IEEE 802.22. It is offered as a basis for discussion and is not binding on the contributing ind

3、ividual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.Release: The contributor grants a free, irrevocable license to the IEEE to incorporat

4、e material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEEs name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEEs sole discretion to permit others to rep

5、roduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE 802.22.Patent Policy and Procedures: The contributor is familiar with the IEEE 802 Patent Policy and Procedures , including the stateme

6、nt IEEE standards may include the known use of patent(s), including patent applications, provided the IEEE receives assurance from the patent holder or applicant with respect to patents essential for compliance with both mandatory and optional portions of the standard. Early disclosure to the Workin

7、g Group of patent information that might be relevant to the standard is essential to reduce the possibility for delays in the development process and increase the likelihood that the draft publication will be approved for publication. Please notify the Chair Apurva Mody as early as possible, in writ

8、ten or electronic form, if patented technology (or technology under patent application) might be incorporated into a draft standard being developed within the IEEE 802.22 Working Group. If you have questions, contact the IEEE Patent Committee Administrator at .Comments related to Parameter Table dev

9、elopment in 22-10/174 for D5 (all T)The following text is proposed to replace the current structure for Section 11.1. This section is being restructured in such a way to highlight min/default/max values for various parameters, timers, constants, message fields/IEs found throughout the MAC, Security,

10、 Coexistence, Cognitive Radio Capabilities, and PHY. These values will be used to build MIBs throughout the Sponsor Ballot process.In Section 11.1.5, that describes Cognitive Radio Capability parameters, a few parameters are highlighted in green. The green text highlights parameters that were pulled

11、 from the existing table (272) in D5, that dont correspond to timers/parameters provided by the Cognitive Radio Capability ad-hoc chair.New Timer (Txx) numbering is provided that can be used to update figures in other parts of the draft.change the title for Clause 11 to “Parameter and Connection Man

12、agement”replace the text for 11.1 with the following-Start of text Modification-11.1 Parameters, Timers, Message IEsThis sections defines bounds for various parametes, timers, and message/IE fields that are specified throughout the draft.11.1.1 MAC (Dynamic Service Flow, Multicast, ARQ, Capability,

13、and Bandwidth Management)Table 11.1.1 MAC Parameters, Timers, Message IEsEntity/ScopeNameReferenceMin valueDefault valueMax valueCPE, BSDSx Request RetriesNumber of Timeout Retries on DSA/DSC/DSD Requests-3-CPE, BSDSx Response RetriesNumber of Timeout Retries on DSA/DSC/DSD Responses-3-CPET6Wait for

14、 registration response-3 sCPE, BST7Wait for DSA/DSC/DSD Response timeout-1 sCPE, BST8Wait for DSA/DSC Acknowledge timeout-300 msBST9Registration Timeout, the time allowed between the BS sending a RNG-CMD (success) to a CPE, and receiving a CBC-REQ from that same CPE300 ms300 ms-CPE, BST10Wait for Tr

15、ansaction End timeout-3 sBST13The time allowed for an CPE, following receipt of a REG-RSP message to send a TFTP-CPLT message to the BS15 min15 min-CPET14Wait for DSx-RSP/DSX-RVD Timeout -200 msBST15Wait for MCA-RSP20 ms20 msCPET16Wait for bandwidth request grant10 ms-Service QoS dependentCPET18Wait

16、 for CBC-RSP timeout-5 ms T9CPE, BST22Wait for ARQ-Reset0.5 sCPET26Wait for TFTP-RSP10 ms10 ms200 msBST27 as idle timerMaximum time between unicast grants to CPE when BS believes CPE upstream transmission quality is good enoughCPE Ranging Response Processing TimeBST27 as active timerMaximum time bet

17、ween unicast grants to CPE when BS believes CPE upstream transmission quality is not good enoughCPE Ranging Response Processing TimeBST28Time allowed for the BS to complete the transmission of the backup/candidate channel list to its CPEs after initial registration by a new CPE, including the databa

18、se service query60 sCPECBC Request RetriesNumber of retries on CBC Request3316DSx Flow ControlMaximum # of ongoing dynamic service flow (DSx) transactions that are ongoing1 4InfiniteMCA Flow ControlMaximum # of ongoing multicast group assignment (MCA-REQ/RSP) transactions1-InfiniteMax # of multicast

19、 groupsMaximum # of multicast groups the BS supports in a cell1-511BS, CPET30CPE registration Timer (see 6.9.7.3.5 and 6.16.2.10)160 ms40.8 s10,485.6 sBS, CPEARQ_BSN_MODULUSNumber of unique BSN values-210-BS, CPEARQ_WINDOW_SIZEMax # of un-acknowledged ARQ blocks at a given time- (ARQ_BSN_MODULUS)/2B

20、S, CPEARQ_BLOCK_LIFETIMEMax time interval an ARQ block shall be managed by the Tx ARQ state machine10 s-655.36msBS, CPEARQ_RETRY_TIMEOUT (TRANSMITTER_DELAY/RECEIVER_DELAY)Minimum time interval a transmitter shall wait before retransmission of a unacknowledged block10 s-655.36msBS, CPEARQ_SYNC_LOSS_T

21、IMEOUTMax amount of time ARQ_TX_WINDOW_START or ARQ_RX_WINDOW_START shall be allowed to remain at the same value before declaring a loss of synchronization of the sender and receiver state machines for an ongoing transfer.10 s-655.36msBS, CPEARQ_RX_PURGE_TIMEOUTTime interval the receiver shall wait

22、after successful reception of a block that does not result in advancement of ARQ_RX_WINDOW_START, before advancing ARQ_RX_WINDOW_START10 s-655.36msBS, CPEARQ_BLOCK_SIZESize of ARQ block that SDU is fragmented into1 octet-2040 octetBSMax CPE Transmit EIRPMaximum CPE Transmit EIRP as negotiated during

23、 registration-64 dBm-+63.5 dBmCPERegistration Request RetriesNumber of retries on registration requests13CPERequest RetriesNumber of retries on bandwidth allocation requests1611.1.2 PHY (Initialization, Operation, and DS/US synchronization)Table 11.1.2 PHY Parameters, Timers, Message IEsEntity/Scope

24、NameReferenceMin valueDefault valueMax valueBSDCD IntervalTime between transmission of DCD messages10 sBSUCD IntervalTime between transmission of UCD messages10 sBSUCD TransitionThe time the BS shall wait after repeating a UCD message with an incremented Configuration Change Count before issuing a U

25、S-MAP message referring to Upstream_Burst_Profiles defined in that UCD message2 MAC framesBSDCD TransitionThe time the BS shall wait after repeating a DCD message with an incremented Configuration Change Count before issuing a DS-MAP message referring to Downstream_Burst_Profiles defined in that DCD

26、 message2 MAC framesBSInitial Ranging IntervalTime between Initial Ranging opportunities assigned by the BS2 sBSCLK-CMP IntervalTime between the clock compare measurements used for the generation of CLK-CMP messages.50 ms50 ms50 msCPELost DS-MAP Interval (T56)Time since last received DS-MAP message

27、before downstream synchronization is considered lost600 msCPELost US-MAP Interval (T57)Time since last received US-MAP message before upstream synchronization is considered lost600 msCPELost SCH (T58)Number of SCH that can be lost until synchronization is considered lost15CPECDMA Ranging RetriesNumb

28、er of retries on CDMA Ranging Requests14CPE, BSInvited Ranging RetriesNumber of retries on inviting Ranging Requests16BSUS-MAP Process TimeTime provided between arrival of the last bit of a US-MAP at a CPE and effectiveness of that map5 symbolsBSCPE Ranging Response Processing TimeTime allowed for a

29、 CPE following receipt of a ranging response before it is expected to reply to an invited ranging request10 msCPET1Wait for DCD timeout5 * DCD interval maximum valueCPET2Wait for broadcast ranging timeout5 * ranging intervalCPET3Ranging Response reception timeout following the transmission of a Rang

30、ing Request200 ms200 msCPET4Wait for unicast ranging opportunity. If the pending-until-complete field was used earlier by this CPE, then the value of that field shall be added to this interval.1 s30 min. (fixed)10 min. (portable30 min.BST5Wait for Upstream Channel Change response2 sCPET12Wait for UCD descriptor5 * UCD Interval m