SW1TrainingLogAnalysisGAP

1、log analysis series - gap confidential sw1/l1c t3g technology company 2 revision history versionchange descriptionsdateeditors v0.1draft template07/18/2009wang qiuhui v1.0add gap part07/27/2009liu xuanbing t3g technology company 3 approval namefunctiondept.date content basic flow introduction check

2、points introduction typical issues analysis others confidential4 part1 basic flow introductionbasic flow introduction confidential gap overview gap-get available plmn initiation: nas requests rr to report all plmns currently available. user request or; a timer expiry in nas the periodic power campai

3、gn timer expires in limited service mode nas asks rr to camp on a cell belonging to hplmn confidential6 gap overview gap type (from implementation) gap when lcr camped lcr gap when lcr camped; gsm gap when lcr camped; gap when gsm camped lcr gap when gsm camped; gsm gap when gsm camped; confidential

4、7 gap flow-gap when lcr camped confidential8 gap flow-gap when gsm camped confidential9 gap flow- lcr gap when lcr camped cphy_dwpch_detect_req(first time, returnall = false) cphy_dwpch_detect_req(second time) from this, the procedure is similar as ics for l1c cphy_cell_sync_req cphy_cell_sync_ind a

5、t most 3 cells and with 0 xff to indicate the end cphy_sib_config_req cphy_sib_schedule_req general said, 1 means mib, 2 means sb1 phy_sib_ind need decode mib, sib1/3 to get the suitable information of the cell in the plmn confidential10 gap flow- gsm gap when lcr camped first send cphy_power_req if

6、 support multi-band, may need send two power_req couple 1: gsm 900 associated with dcs 1800, couple 2: gsm 850 associated with pcs 1900. 0 means to stop the power champaign then send cphy_multi_ctx_req to bsic verify and si receiving confidential11 gap flow- gap when gsm camped ph_power_req if suppo

7、rt multi-band, may need send two power_req couple 1: gsm 900 associated with dcs 1800, couple 2: gsm 850 associated with pcs 1900. then send ph_multi_ctx_req to bsic verify and si receiving ph_umts_psch_power_req/cnf ph_umts_sync_req/ind ph_umts_sib_config_req only read mib, not read sib1/3 confiden

8、tial12 gap flow-gap interrupted by cell reselection gap is background procedure measurement is ongoing if cell reselection happen suspend the gap procedure, and resume if cell reselection finished(success/failure) confidential13 gap flow-msc confidential14 gap.vsd part2 check points introductionchec

9、k points introduction confidential check points introduction gap type and result check confidential16 stepstepsearchkeywordssearchkeywordscheckpointscheckpointsanalysis resultanalysis result 1_plmn_gap typemanul gap:spvnetl23mmm| tra_sys_send_to_pc |capi_reg_avail_plmn _req l23mmml23rrc|tra _sys_sen

10、d_to_pc |rr_get_plmn_req | 2rr_get_plmn_check gap resultrr_get_plmn_cnf 3 4 5 check points introduction lcr gap when lcr camped confidential17 stepstepsearchkeywordssearchkeywordscheckpointscheckpointsanalysis resultanalysis result 1 cphy_dwpch_d etect_req(first time, returnall = false) valid freqse

11、arch valid freq band 2cphy_dwpch_d etect_req all freq/freqband searched: 2010-2025 1880-1900 confirm one full-search 3cphy_sib_confi g_req valid cellcheck all valid cell found 4 5 check points introduction lcr gap when gsm camped confidential18 stepstepsearchkeywordssearchkeywordscheckpointscheckpoi

12、ntsanalysis resultanalysis result 1startuarfcn|sto puarfcn all freq/freqband searched: 2010-2025 1880-1900 startuarfcn and stopuarfcn are fields in ph_umts_psch_repor t_req 2ph_umts_sib_c onfig_req valid cellcheck all valid cell found 3 4 5 part3 typical issues analysistypical issues analysis confidential typical issues no search result: gap suspend, do not continue; cant find enough plmn info: can not search the exist c