Template3G Key Features Control flow Merupakan subsystem Jaringan GSM yang berhubungan dengan fungsi-fungsi Radio & Mobility. Subsystem BSS terdiri dari Network Element penyusun TRAU, BSC, BTS & MS FOR INTERNAL USE ONLY SSS : SWITCHING SUBSYSTEM MS : MOBILE STATION Mengendalikan BTS-BTS yang dibawahinya Manajemen Radio Resource (Alokasi Kanal Radio, Radio Measurement & Power Control) Mengatur Proses Handover FOR INTERNAL USE ONLY Transcoding Adaptaion Unit (TRAU) Menyediakan fungsi transcoding voice dan adaptasi data rate Dapat ditempatkan di lokasi BSC atau MSC Biasanya ditempatkan di lokasi MSC untuk menghemat link Transmisi. FOR INTERNAL USE ONLY Base Transveiver System (BTS) BTS terdiri dari beberapa TX/RX Radio service area suatu BTS membentuk cell Manajemen physical layer di radio Interface Transmisi dan multiplexing ke teresterial (Abis) Interface FOR INTERNAL USE ONLY Terdapat tiga jenis MS yaitu (Vehicle Mounted, Portable dan Handheld) MS terdiri dari ME (Mobile Eqipment) dan SIM-Card FOR INTERNAL USE ONLY SIM berisi data-data spesifik pelanggan GSM MS tidak dapat digungsikan tanpa SIM (Kecuali Emergeny Call) SIM dilengkapi dengan fungsi pengamanan akses melalui PIN & PUK Terdapat dua jenis SIM FOR INTERNAL USE ONLY cdma2000-3X 2G 2,5G 3G cdma2000-3X EDGE GPRS WCDMA FDD HSDPA cdma2000- 1X EDGE GERAN The room is channel frequency allocation @!$#*()!* ^?!;) *^%$#() ^?!;) $$#@()&!! <&^$$?+# @@%$$ High bit rates Frequency hopping Packet data Downlink transmit diversity Not supported by the standard, but can be applied FOR INTERNAL USE ONLY GSM 3G-WCDMA GSM/GPRS/ EDGE Video telephony Multitasking 3G-specific services take advantage of the higher bandwidth and/or real-time QoS A number of mobile services are bearer independent in nature Push-to-talk Multicasting Broadband UL : 1940-1945 MHz DL: 2130-2135 MHz FOR INTERNAL USE ONLY Chip rate of 3.84Mchip/s Variable Spreading Factors of 16.8 Milion (UL) and 4-512 (DL) Frequency Division Duplex and Time Division Duplex versions European FDD Bands: Uplink 1920-1980MHz Downlink 2110-2170MHz Duplex Spacing of 190MHz Unpaired TDD bands at 1900-1920MHz and 2010-2025MHz Up to 16 active channels per terminal FOR INTERNAL USE ONLY f1 f2 f1 f1 f2 f2 f3 f1 f1 f2 f2 f3 f3 f1 f2 f1 f3 f1 M S 1 M S 2 M S 3 M S 4 BTS Time TDD = Time-division duplex Uplink (UL) and downlink (DL) use the same frequency band, which is time-shared by the UL and DL All users share the same frequency/time domain frequency time frequency time Uplink Uplink Uplink Uplink Downlink Downlink Downlink Downlink There are two basic formats used in radio communication, analog and digital. The difference between the analog format and the digital format is that using analog, a person’s voice signal is transmitted over the air, while the digital format uses a string of 1s and 0s to represent the voice signal. If someone were to lock on to the frequency used for an analog conversation they could actually hear the users’ voices. In the digital format the observer would need to decode the 1s and 0s before hearing the conversation. FOR INTERNAL USE ONLY WCDMA FDD and TDD Keywords GENERIC AIR INTERFACE - Radio part of the network functionally separated from the rest of the network (RAN vs. CN) Open interfaces (Uu, Iu, O&M plus others (target)). Subsystems (Big picture) Iu (PS) Most vendors Node B’s currently ready for HSDPA The GPRS brings few new network elements to the GSM network. The most important ones are the Serving GPRS Support Node (SGSN) and the Gateway GPRS Support Node (GGSN). Another important new element is the Point-To-Multipoint Service Center (PTM-SC) which is dedicated to the PTM services in the GPRS network. Also a new network element is the Border Gateway (BG) which is mainly needed for the security reasons and is situated on the connection to the Inter-PLMN backbone network. The Inter-PLMN and Intra-PLMN backbone network are also new elements, both IP-based networks. In addition there will be few new gateways in the GPRS system like the Charging Gateway and the Legal Interception Gateway FOR INTERNAL USE ONLY FOR INTERNAL USE ONLY Multipaths RAKE receiver takes different factors (attenuation, timing) into account and receiver fingers combine multipath signals to one signal X X X a1 a2 a3 X Traffic load has direct effect on the cell size Radio Resource Management provides means to control cell breathing in network optimisation 128 kbps 64 kbps 8 kbps 144 kbps 64 kbps 64 kbps 144 kbps 144 kbps 64 kbps 64 kbps Note 1 WCDMA capacity is a function of radio environment, user mobility/location and propagation conditions. Examples above are just examples of WCDMA cell capacities of a 3 sector macro cell BS configuration. Note 2 Different data speeds have different cell ranges. However this depends on link budget which is fixed (input for optimisation) Chart3 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 Cell area Load factor Own cell load factor L (Own cell capacity) Noise rise [dB] (Coverage) Load factor directly corresponds to the supported traffic per cell More traffic means more interference -> cell breathing Max. recommended load : 70 %, typically 30-50 % 50 % load means 3 dB loss in link budget BS 10% Network Load 75% Network Load 144 kbps Data FOR INTERNAL USE ONLY Soft handover; Hard handover; system e.g. WCDMA and GSM Received signal strength Soft Blocking; Soft blocking capacity dependent on the interference from neighboring and own cells rather than hardware limitations. FOR INTERNAL USE ONLY Handover Analogy : TDMA & WCDMA “Buat hubungan sebelum putus hubungan” “Putus hubungan sebelum buat hubungan” FOR INTERNAL USE ONLY Downlink transmission power = Interference to the network Uplink received power = Interference to own cell users Uplink transmission power = Interference to other cells FOR INTERNAL USE ONLY Power Control System Fast Power control is to control the transmitted power on the same level with received power. This leads to minimised interference and small power consumption Power is controlled by parameters With Optimum Power Control FOR INTERNAL USE ONLY “Tx” “Rx” Dari pada menyuruh satu orang kuat membawa sepuluh beban sekaligus (AM), lebih baik menyuruh sepuluh orang biasa masing-masing membawa satu beban (potongan informasi). Spread Spectrum Di antara sepuluh orang tersebut, mungkin ada yang terjatuh akibat kubangan dan onggokan (noise& interference) atau akibat penghadang (jammer). Tetapi sebagian besar masih bisa sampai tujuan. penghadang “Shipping and Receiving” via CDMA Whether in shipping and receiving, or in CDMA, packaging is extremely important! Cargo is placed inside “nested” containers for protection and to allow addressing The shipper packs in a certain order, and the receiver unpacks in the reverse order CDMA “containers” are spreading codes Spectrum Spreading Analogy FedEx Mailer FedEx Mailer Data Data Shipping Receiving There are multiple spreading processes involved in IS-95, using three different spreading codes. The process resembles shipping a package containing a diskette on which data has been recorded. The disk is put in a cardboard mailer for protection. The mailer is then put in an overnight letter package with an address label. The package is shipped through the shipping transmission system in the company of many other unrelated packages. The recipient tears open the overnight letter package and finds the cardboard mailer inside. She rips open the cardboard mailer and finds the floppy disk. The disk is placed in a drive and the data is recovered. CDMA uses spreading codes to play the roles of the containers. The spreading codes accomplish protection of their contents and make it possible to address the shipment to its proper destination. FOR INTERNAL USE ONLY CDMA radio access technology: spreading/despreading FOR INTERNAL USE ONLY Channelization; To tranms each symbol (data bit) to the number of chips (increase bandwidth) Scrambling; Applied scrambling code in the UL& DL path Transmitting and receiving sides have the same code with the same phase. Spreading Scrambling RX spreading code generator Descrambling Despreading TX spreading code generator Usage Uplink: Separation of physical data (DPDCH) and control channels (DPCCH) from same terminal Downlink: Separation of downlink connections to different users within one cell Uplink: Separation of mobile Length Downlink also 512 chips Different bit rates by changing the length of the code Uplink: (1) 10 ms = 38400 chips or (2) 66.7 (s = 256 chips Option (2) can be used with advanced base station receivers Downlink: 10 ms = 38400 chips Number of codes Uplink: 16.8 million Spreading FOR INTERNAL USE ONLY Code D Code E Users are separated by codes (code channels), not by frequency or time There were 512 codes in the downlink path and 16.8 milion in the Uplink path Signals of the other users are seen as noise-like interference FOR INTERNAL USE ONLY Higher-order Modulation 16QAM in complement to QPSK for higher peak bit rates 2 ms Reduced round trip delay Scheduling of users on 2 ms time basis Fast Link Adaptation Data rate adapted to radio conditions on 2 ms time basis t P FOR INTERNAL USE ONLY Ericsson’s HSDPA phasing 5 codes HSDPA user throughput depends on the several factors: UE capability & signal quality at UE position (C/I) Number of HSDPA users per cell (simultaneous active users) RBS Resource (Number of codes, PA, CE, Scheduling, R99 load, QoS, features) Transport resource (E1, IMA, features) End to end TCP/IP performance FOR INTERNAL USE ONLY Required CE per user R99+HSDPA active, no traffic Sheet1 R99 HSDPA VIDEO CALL STEP 1 STEP 2 STEP 3 Choose the number of the person you wish to see and speak to Press the Video Call button to make a Call The Video Call is now connected FOR INTERNAL USE ONLY Existing content : EPL 2006/2007 We are preparing the mechanism to provide ESPN Sport Centre Video on daily basis Launched 9 Sep 2006 Dunia Religi We are building religious video library (some of it had been published in Mobile Video) Dunia Religi Menu sign of sheet will be circulated this week Launched 29 Sep 2006 Dunia Anak At the first stage, content will be provided by Disney Mobile (Elasitas) 3G Disney Content : Mobisode, Movie Short Clip & Voice tone Launched 7 Oct 2006 Dunia Musik At the first phase, it will contain of Video Music clip from our RBT partner The next phase will use M-Use as Dunia Musik platform VIDEO STREAMING No. Content Description Delivery Partner 1. Liputan6 2. Headline News dari MetroTV diinformasikan setiap jam (24 x sehari) Streaming 4. Top Stories Berita-berita Utama terbaik dari Metro TV diinformasikan 1 kali sehari setiap jam 18.00 Streaming 5. Top of The Top Ringkasan Berita Utama dalam 1 hari, diinformasikan 1 x sehari jam 21.30 dari Metro TV Streaming 6. Video Highlight/Match Liga Inggris Streaming 9. Streaming 10. Video Klip/Trailler film : Cars & Da Vinci code Streaming No Content Description Delivery Partner 11. Streaming 15. Streaming No Content Description Delivery Partner 17. Berita CNA Streaming TelkomVision CNBC Streaming Streaming Elasitas Streaming Visitel Streaming LDS SERVICE OVERVIEW Layanan tambahan pada Call Center yang memungkinkan pelanggan Telkomsel dapat berinteraksi dengan Agent Call Centre Telkomsel tidak hanya melalui suara tetapi juga dapat melalui Video ( bertatap muka dengan Agent ) kartuHALO simPATI FOR INTERNAL USE ONLY FOR INTERNAL USE ONLY 3G optimization Engineer RADIO ACCESS CORE NETWORK The GPRS brings few new network elements to the GSM network. The most important ones are the Serving GPRS Support Node (SGSN) and the Gateway GPRS Support Node (GGSN). Another important new element is the Point-To-Multipoint Service Center (PTM-SC) which is dedicated to the PTM services in the GPRS network. Also a new network element is the Border Gateway (BG) which is mainly needed for the security reasons and is situated on the connection to the Inter-PLMN backbone network. The Inter-PLMN and Intra-PLMN backbone network are also new elements, both IP-based networks. In addition there will be few new gateways in the GPRS system like the Charging Gateway and the Legal Interception Gateway FOR INTERNAL USE ONLY Troubleshooting Voice Traffic Problem MSC Database / Parameter Error Cable connection Failure. Bad connection. Bad connection - Bad connection - Bad connection - Bad connection - Bad connection Database / Parameter Error Cable connection Failure. UE memory TRX-capacity (peak hour, CS-load) Abis and Gb transmission Application server capacity geographical location [e.g. localised contet caching vs. centralised servers] Module Failure Antenna position blocking by obstacle. Grounding Failure. (DPDCH) and control channels (DPCCH) from same terminal Downlink: Separation of downlink one cell Length m s) length of the code 66.7 m base station receivers Number of codes code = spreading factor Uplink: 16.8 million Spreading bandwidth RAXB signalling consume no CE0 CE