By Ajay R. Mishra
A hugely functional consultant rooted in idea to incorporate the required history for taking the reader in the course of the making plans, implementation and administration levels for every form of mobile network.Present day mobile networks are a mix of the applied sciences like GSM, EGPRS and WCDMA. They even comprise positive factors of the applied sciences that might lead us to the fourth iteration networks. Designing and optimising those complicated networks calls for a lot deeper figuring out. complex mobile community making plans and Optimisation provides radio, transmission and center community making plans and optimisation features for GSM, EGPRS and WCDMA networks with specialise in sensible facets of the sphere. specialists from all the domain names have introduced their reviews lower than one booklet making it a vital learn for layout practitioners, specialists, scientists and scholars operating within the mobile undefined.
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Extra info for Advanced Cellular Network Planning and Optimisation: 2G/2.5G/3G...Evolution to 4G
W-CDMA is merely the air interface as per the definition of IMT-2000, while UMTS is a complete stack of communication protocols designated for 3G global mobile telecommunications. UMTS uses a pair of 5 MHz channels, one in the 1900 MHz range for uplink and one in the 2100 MHz range for downlink. The specific frequency bands originally defined by the UMTS standard are 1885–2025 MHz for uplink and 2110–2200 MHz for downlink. UMTS System Architecture A UMTS network consists of three interacting domains: Core Network (CN), UMTS Terrestrial Radio Access Network (UTRAN) and User Equipment (UE).
The 2G networks are primarily designed to offer voice services to the subscribers. Thus the transfer rates offered by these networks are low. Though the rates vary across technologies, the average rate is of the order of tens of kilobits per second. r Low efficiency for packet switched services. There is a demand for Internet access, not just at home or the office but also while roaming. Wireless Internet access with the 2G networks is not efficiently implemented. r Multiple standards. With a multitude of competing standards in place, a user can roam in only those networks that support the same standard.
This explains the complexity of network planning; sufficient cellular network coverage and capacity needs to be created with as low an investment as possible. The coverage targets include the geographical coverage, coverage thresholds for different areas and coverage probability. 1. The range for a typical coverage probability is 90–95 %. The geographical coverage is case-specific and can be defined in steps according to network roll-out phases. The quality targets are those agreed in association with the customer and network planning.