P RESENTATION ON GSM/UMTS N ETWORKS K ANNUR D IVISION

C ONTENTS Site Details 2G,3G data volume and voice traffic Work Order Status GPRS Data Improvements 3G Traffic Improvements Other Issues

SSAKNR DIVKSD DIV 2G sites Up to Ph G sites added in Ph G Total Sites G sites Up to Ph G sites added in Ph G Total Sites No of CDMA WLL BTS No of WIMAX Node

K ANNUR NQM D IVISION TechnologySite Count 2G Sites433 3G Sites140

2G Vendor Wise 3G Vendor Wise K ASARAGOD NQM D IVISION TechnologySite Count 2G Sites332 3G Sites75

2G sites- vendor area Motorola ZTE NORTEL

SSA D IVISION WISE SITE COUNT DIV2G3GWLLWIMAX KNR T KNR P TLY T TLY P CUU TMB MTR SKM

2G SITES D ATA VOLUME TREND

3G SITES D ATA VOLUME TREND

SSA D IV - 2G AND 3G DATA VOLUME 3G2G DIVNo of Sites Total GB per Month Avg GB/month/btsNo of Sites Total GB per Month Avg GB/month/bts CUU KNR P KNR T MTR SKM TLY P TLY T TMB

2G VOICE TRAFFIC - S ITE CATEGORY

C APACITY ADDITION DONE D ETAILS (O CT -M ARCH ) DivisionWorkZTEMotorolaNortel KANNURTRX Addition29155 KANNURDual Band Addition012 KANNURSector Addition101

GPRS I MPROVEMENTS Motorola  BSC wise site count optimized  GB link addition done ( 4Mbps to 8Mbps)  Considerable improvement in GPRS throughput  Data volume per user is more than Nortel Area  E1 addition to individual BTSs done for 21sites.

3G C OVERAGE O PTIMIZATION All the newly on-air 3G site first round optimization completed Data volume <500Mb sector were optimized w.r.t height, orientation and other parameters. HSDPA data volume<500MB sectors is now ZERO

BSNL, MS Kasargod Division Motorola  Enabling 2 nd E1 where TRX Count 12 and above Nortel  PCU-BSC (AGPRS) link augmentation required  No spare PCUSN ports available  Data volume per user is around 4MB where as in Motorola 11Mb and ZTE 12Mb ISSUES PENDING

Details of Coverage issue area which could not be addressed due to Public issue/No candidate Sl noSite Name SSA DIV 1RP HQ Hospital KNR P 2RP Poothappara KNR T 3RP Athirakam Pallippuram KNR T 4RP Punol North TLY P 5RP Malabar Cancer Center TLY P 6RP MaheRlyStation TLY P 7RP MaheBeach TLY P 8 RP MaheCollege/RP Chembra TLY P 9RP Koduvalii College TLY P 10RP Mokeri TLY T 11RP Koorara TLY T 12RP Cheleri TMB 13RP Perumachery TMB

Issues With 3G RNC overloading 1). Many new brand mobile phones are in automode. 2). BSNL activated 3G services to all the customers (all Prepaid SIM) by default. 3). If the 3G signal is sufficient for mobile to latch, the preference will be to 3G even though the user is not needed 3G/data services. 4). The ZTE 3G RNC is overloaded in signaling plane and data plane. 5).The signaling plane congestion causes a).Outgoing call failure b).Not getting incoming call even though sufficient coverage is in Phone. 6).The Data plane congestion causes a).Low data throughput 7).Since the 3G network is overlay to the existing 2G, chances of getting latched to 3G is more, and many phones are attached to 3G.In Many mobile phones the present network (i.e 2G/3G) is not identifiable if the data service is not turned ON. 8). The data service indication of 3G,H,H+ etc shows the mobile is in 3G network 9).The signaling plane congestion can be reduced if we can push the 3G voice only subscribers to 2G (manually setting to 2Gonly), which will not cause any change in the voice service of the subscribers.

Thank You