CDMA 2000 Protocol Analyzer Overview CDMA technology has undergone many stages of revolution to offer improved voice and data service to the end users. In order to deliver both voice as well as data service with very high transmission rate, CDMA network has incorporated many new nodes and protocols with respect to old 2G or 2.5G networks (GSM and GPRS network). The latest 3G technology, called CDMA 2000 1xEV-DV is capable of delivering integrated voice and simultaneous multimedia services at peak data rates of 3.09 Mbps to the end subscriber. Train Simulator Pc Game here. IS-2000 is the signaling standard, which defines protocols for several critical 3G CDMA interfaces pertaining to packet transmission namely A1, A7, A9 and A11 (shown below). An IS-2000 compliant Mobile Station (MS) can select either packet-switched data (PSD) or circuit-switched data (CSD) transport. CSD has maximum rate of 19.2 kbps and is delivered over traditional TDM circuits.

PSD offers higher data rate for multimedia services. For each data session, a PPP (Point-to-Point Protocol) session is created between the Mobile Station and the Packet Data Serving Node (PDSN). The CDMA2000 network comprises of the Radio Access Network (RAN) and the Core Network. A Mobile Station accesses the CDMA2000 network through the RAN.

The RAN consists of the Air Link, Base Station Transceiver Subsystem (BTS), Base Station Controller (BSC), and a part of Packet Control Function (PCF). The RAN maps the Mobile Station ID to a unique link layer identifier that is used to communicate with the PDSN, validate the MS for access service, and maintain the established transmission links. The BTS connects to the BSC through un-channelized T1s and A-bis protocols (proprietary to a particular vendor) based on HDLC. The BSC routes PSD and CSD messages between the cell sites and the MSC.

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In addition, the BSC is also responsible for mobility management. It connects to each Mobile Telephone Exchange (MTX) using channelized T1 lines for voice and circuit switched data; and to un-channelized T1 lines for signaling and control messages to the PDSN using Ethernet protocols. The PCF routes IP data packets between the MS and the PDSN.

The PDSN is the Gateway from the RAN into the public and private networks. Dvb Tt Yogesh Font Converter. The PDSN can act as either a standalone Network Access Server (NAS), Home Agent (HA) or a Foreign Agent (FA).