22100186010000modificationstoparametertablein111.docx
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22100186010000modificationstoparametertablein111.docx
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22100186010000modificationstoparametertablein111
IEEEP802.22
WirelessRANs
ModifcationstoParameterTablein11.1
Date:
2010-11-23
Author(s):
Name
Company
Address
Phone
RangaReddy
Self
ranga.reddy@ieee.org
Abstract
Thisdocumentcontainsmodifactionstoparametertablein11.1
R0istheinitialversionofthisdocument
R2isanamendmentaddingparametersthatsettheboundofT46,aswellasdealwithlossofsynchronizationtoUS/DSduringCPEinitialization
Notice:
ThisdocumenthasbeenpreparedtoassistIEEE802.22.Itisofferedasabasisfordiscussionandisnotbindingonthecontributingindividual(s)ororganization(s).Thematerialinthisdocumentissubjecttochangeinformandcontentafterfurtherstudy.Thecontributor(s)reserve(s)therighttoadd,amendorwithdrawmaterialcontainedherein.
Release:
Thecontributorgrantsafree,irrevocablelicensetotheIEEEtoincorporatematerialcontainedinthiscontribution,andanymodificationsthereof,inthecreationofanIEEEStandardspublication;tocopyrightintheIEEE’snameanyIEEEStandardspublicationeventhoughitmayincludeportionsofthiscontribution;andattheIEEE’ssolediscretiontopermitotherstoreproduceinwholeorinparttheresultingIEEEStandardspublication.ThecontributoralsoacknowledgesandacceptsthatthiscontributionmaybemadepublicbyIEEE802.22.
PatentPolicyandProcedures:
ThecontributorisfamiliarwiththeIEEE802PatentPolicyandProcedures
//standards.ieee.org/guides/bylaws/sb-bylaws.pdf>,includingthestatement"IEEEstandardsmayincludetheknownuseofpatent(s),includingpatentapplications,providedtheIEEEreceivesassurancefromthepatentholderorapplicantwithrespecttopatentsessentialforcompliancewithbothmandatoryandoptionalportionsofthestandard."EarlydisclosuretotheWorkingGroupofpatentinformationthatmightberelevanttothestandardisessentialtoreducethepossibilityfordelaysinthedevelopmentprocessandincreasethelikelihoodthatthedraftpublicationwillbeapprovedforpublication.PleasenotifytheChairApurvaMody CommentsrelatedtoParameterTabledevelopmentin22-10/174forD5(allT) ThefollowingtextisproposedtoreplacethecurrentstructureforSection11.1.Thissectionisbeingrestructuredinsuchawaytohighlightmin/default/maxvaluesforvariousparameters,timers,constants,messagefields/IEsfoundthroughouttheMAC,Security,Coexistence,CognitiveRadioCapabilities,andPHY.ThesevalueswillbeusedtobuildMIBsthroughouttheSponsorBallotprocess. InSection11.1.5,thatdescribesCognitiveRadioCapabilityparameters,afewparametersarehighlightedingreen.Thegreentexthighlightsparametersthatwerepulledfromtheexistingtable(272)inD5,thatdon’tcorrespondtotimers/parametersprovidedbytheCognitiveRadioCapabilityad-hocchair. NewTimer(Txx)numberingisprovidedthatcanbeusedtoupdatefiguresinotherpartsofthedraft. [changethetitleforClause11to“ParameterandConnectionManagement”] [replacethetextfor11.1withthefollowing] [------------------------------------StartoftextModification---------------------------------------] 11.1Parameters,Timers,MessageIEs Thissectionsdefinesboundsforvariousparametes,timers,andmessage/IEfieldsthatarespecifiedthroughoutthedraft. 11.1.1MAC(DynamicServiceFlow,Multicast,ARQ,Capability,andBandwidthManagement) Table11.1.1–MACParameters,Timers,MessageIEs Entity/Scope Name Reference Minvalue Defaultvalue Maxvalue CPE,BS DSxRequestRetries NumberofTimeoutRetriesonDSA/DSC/DSDRequests -- 3 -- CPE,BS DSxResponseRetries NumberofTimeoutRetriesonDSA/DSC/DSDResponses -- 3 -- CPE T6 Waitforregistrationresponse -- -- 3s CPE,BS T7 WaitforDSA/DSC/DSDResponsetimeout -- -- 1s CPE,BS T8 WaitforDSA/DSCAcknowledgetimeout -- -- 300ms BS T9 RegistrationTimeout,thetimeallowedbetweentheBSsendingaRNG-CMD(success)toaCPE,andreceivingaCBC-REQfromthatsameCPE 300ms 300ms -- CPE,BS T10 WaitforTransactionEndtimeout -- -- 3s BS T13 ThetimeallowedforanCPE,followingreceiptofaREG-RSPmessagetosendaTFTP-CPLTmessagetotheBS 15min 15min -- CPE T14 WaitforDSx-RSP/DSX-RVDTimeout -- -- 200ms BS T15 WaitforMCA-RSP 20ms 20ms CPE T16 Waitforbandwidthrequestgrant 10ms -- ServiceQoSdependent CPE T18 WaitforCBC-RSPtimeout -- 5ms < CPE,BS T22 WaitforARQ-Reset 0.5s CPE T26 WaitforTFTP-RSP 10ms 10ms 200ms BS T27asidletimer MaximumtimebetweenunicastgrantstoCPEwhenBSbelievesCPEupstreamtransmissionqualityisgoodenough CPERangingResponseProcessingTime BS T27asactivetimer MaximumtimebetweenunicastgrantstoCPEwhenBSbelievesCPEupstreamtransmissionqualityisnotgoodenough CPERangingResponseProcessingTime BS T28 TimeallowedfortheBStocompletethetransmissionofthebackup/candidatechannellisttoitsCPEsafterinitialregistrationbyanewCPE,includingthedatabaseservicequery 60s CPE CBCRequestRetries NumberofretriesonCBCRequest 3 3 16 DSxFlowControl Maximum#ofongoingdynamicserviceflow(DSx)transactionsthatareongoing 1 4 Infinite MCAFlowControl Maximum#ofongoingmulticastgroupassignment(MCA-REQ/RSP)transactions 1 -- Infinite Max#ofmulticastgroups Maximum#ofmulticastgroupstheBSsupportsinacell 1 -- 511 BS,CPE T30 CPEregistrationTimer(see6.9.7.3.5and6.16.2.10) 160ms 40.8s 10,485.6s BS,CPE ARQ_BSN_MODULUS NumberofuniqueBSNvalues -- 2^10 -- BS,CPE ARQ_WINDOW_SIZE Max#ofun-acknowledgedARQblocksatagiventime -- -- ≤(ARQ_BSN_MODULUS)/2 BS,CPE ARQ_BLOCK_LIFETIME MaxtimeintervalanARQblockshallbemanagedbytheTxARQstatemachine 10µs -- 655.36ms BS,CPE ARQ_RETRY_TIMEOUT(TRANSMITTER_DELAY/RECEIVER_DELAY) Minimumtimeintervalatransmittershallwaitbeforeretransmissionofaunacknowledgedblock 10µs -- 655.36ms BS,CPE ARQ_SYNC_LOSS_TIMEOUT MaxamountoftimeARQ_TX_WINDOW_STARTorARQ_RX_WINDOW_STARTshallbeallowedtoremainatthesamevaluebeforedeclaringalossofsynchronizationofthesenderandreceiverstatemachinesforanongoingtransfer. 10µs -- 655.36ms BS,CPE ARQ_RX_PURGE_TIMEOUT TimeintervalthereceivershallwaitaftersuccessfulreceptionofablockthatdoesnotresultinadvancementofARQ_RX_WINDOW_START,beforeadvancingARQ_RX_WINDOW_START 10µs -- 655.36ms BS,CPE ARQ_BLOCK_SIZE SizeofARQblockthatSDUisfragmentedinto 1octet -- 2040octet BS MaxCPETransmitEIRP MaximumCPETransmitEIRPasnegotiatedduringregistration -64dBm -- +63.5dBm CPE RegistrationRequestRetries Numberofretriesonregistrationrequests 1 3 CPE RequestRetries Numberofretriesonbandwidthallocationrequests 16 11.1.2PHY(Initialization,Operation,andDS/USsynchronization) Table11.1.2–PHYParameters,Timers,MessageIEs Entity/Scope Name Reference Minvalue Defaultvalue Maxvalue BS DCDInterval TimebetweentransmissionofDCDmessages 10s BS UCDInterval TimebetweentransmissionofUCDmessages 10s BS UCDTransition ThetimetheBSshallwaitafterrepeatingaUCDmessagewithanincrementedConfigurationChangeCountbeforeissuingaUS-MAPmessagereferringtoUpstream_Burst_ProfilesdefinedinthatUCDmessage 2MACframes BS DCDTransition ThetimetheBSshallwaitafterrepeatingaDCDmessagewithanincrementedConfigurationChangeCountbeforeissuingaDS-MAPmessagereferringtoDownstream_Burst_ProfilesdefinedinthatDCDmessage 2MACframes BS InitialRangingInterval TimebetweenInitialRangingopportunitiesassignedbytheBS 2s BS CLK-CMPInterval TimebetweentheclockcomparemeasurementsusedforthegenerationofCLK-CMPmessages. 50ms 50ms 50ms CPE LostDS-MAPInterval(T56) TimesincelastreceivedDS-MAPmessagebeforedownstreamsynchronizationisconsideredlost 600ms CPE LostUS-MAPInterval(T57) TimesincelastreceivedUS-MAPmessagebeforeupstreamsynchronizationisconsideredlost 600ms CPE LostSCH(T58) NumberofSCHthatcanbelostuntilsynchronizationisconsideredlost 15 CPE CDMARangingRetries NumberofretriesonCDMARangingRequests 1 4 CPE,BS InvitedRangingRetries NumberofretriesoninvitingRangingRequests 16 BS US-MAPProcessTime TimeprovidedbetweenarrivalofthelastbitofaUS-MAPataCPEandeffectivenessofthatmap 5symbols BS CPERangingResponseProcessingTime TimeallowedforaCPEfollowingreceiptofarangingresponsebeforeitisexpectedtoreplytoaninvitedrangingrequest 10ms CPE T1 WaitforDCDtimeout 5*DCDintervalmaximumvalue CPE T2 Waitforbroadcastrangingtimeout 5*ranginginterval CPE T3 RangingResponsereceptiontimeoutfollowingthetransmissionofaRangingRequest 200ms 200ms CPE T4 Waitforunicastrangingopportunity.Ifthepending-until-completefieldwasusedearlierbythisCPE,thenthevalueofthatfieldshallbeaddedtothisinterval. 1s 30min.(fixed) 10min.(portable 30min. BS T5 WaitforUpstreamChannelChangeresponse 2s CPE T12 WaitforUCDdescriptor 5*UCDIntervalm
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