Design and Performance of 3G Wireless Networks and Wireless by Mooi Choo Chuah, Qinqing Zhang

By Mooi Choo Chuah, Qinqing Zhang

Presentation of heritage fabric of instant communications, site visitors modeling and site visitors engineering options. presents descriptions of upcoming good points corresponding to IP multimedia subsystems, multimedia broadcast/multicast prone and Push-to-Talk over mobile (PoC) for 3G networks together with difficulties on the finish of every bankruptcy Written for academics, graduate scholars and approach designers

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4 Traffic Modeling Performance analysis tools can be built using a general and consistent traffic model. The generic traffic model framework should be able to evolve easily with the emergence of new data applications and services. A good understanding of the traffic patterns generated by potential subscribers allows the service providers to design a 3G network efficiently. Realistic traffic models are required to size various network elements within a 3G network. 3 Kbps (taking into consideration the ATM transport overhead).

Each subframe contains a header (LEN field) that conveys the length of the subframe. Several subframes can be multiplexed within an MPLS frame A typical MPLSMux multiplexing structure consists of a mandatory outer Introduction to Wireless Systems 27 StreamN Payload Bearer Traffic StreamN Payload ! cUDP/IP (3B) L3/L4 Header Compression 1 1 1 1 MPLS Multiplexing cUDP/IP (3B) ! 1I I lÄii 1-. LEN (IB) M = Mandatory O = Optional 1 MPLS Outer MPLS Inner 1 Label (M) Label (O) •Ulli) cUDP/IP istreaml Payload (3B) 1+Pad (if needed) ...

Wireless auction and online games, also require interactive class service. 4 Background Class Data applications such as emails, Short Message Service (SMS), and downloading of databases can be delivered in the background or during offpeak hours since such applications do not require immediate action. The delay may be seconds, tens of seconds, or even minutes. Traffic from such applications can be transported using UMTS background class service. 3 QoS Engineering To support multimedia applications on a common packet-based network, QoS engineering is required.

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