By Daniel Collins, Clint Smith
Real-world guideline within the layout and deployment of 3G networks Pin down the technical info that make 3G instant networking really paintings. In 3G instant Networks, specialists Clint Smith and Daniel Collins dissect severe problems with compatibility, internetworking, and voice/data convergence, giving you in-depth causes of ways key criteria and protocols intersect and interconnect. This advisor digs into the gritty information of day by day community operations, supplying you with an opportunity to appreciate the problems carrier prone will adventure in making the changeover from second new release platforms (CDMS etc.) to 2.5 new release structures like WAP and part and eventually to complete throttle 3G networks. It describes key criteria, digs deep into the heart of suitable community protocols, and info the whole diversity of compatibility matters among the U.S. (CDMA 2000) and ecu (WCDMA) models of the normal. lots of name stream diagrams express you precisely how the applied sciences paintings.
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Once that allocation is performed, the network instructs the mobile to swap to the new channel. This is known as a network-controlled handoff, because the network determines when and how a handoff is to occur. In more recent technologies, a technique known as mobile assisted handover (MAHO) is the most common. In the approach, the network provides the mobile with a list of base station frequencies (those of nearby base stations). The mobile makes periodic measurements of the signals received from those base stations (as well as the serving base station), including signal strength and signal quality (usually determined from bit error rates), and it sends the corresponding measurement reports to the network.
Some of the decisions are rather straightforward involving upgrading portions of the existing technology platforms that are currently deployed. Other operators have to make a decision as to which technology to utilize since they either are building a new system or have not migrated to a 2G platform, using only 1G. In later chapters various migration strategies are discussed relative to the underlying technology platform that exists. 5 Harmonization Process Harmonization refers to the vision and objective of the IMT2000 specification that enables the various technology platforms that are defined in that specification to interact with each other.
3G Wireless Networks by Daniel Collins, Clint Smith