Base station placement for in-building mobile communication systems to yield high capacity and efficiency
- 1 April 2000
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Communications
- Vol. 48 (4) , 658-669
- https://doi.org/10.1109/26.843133
Abstract
In this paper a study is made of the problem of placing base stations to yield high capacity and efficiency in an in-building direct-sequence code-division multiple-access wire- less communication system. A key requirement for solving this problem is a reliable but simple model of in-building propagation. A number of propagation models are considered as part of a system performance analysis and are found to produce widely ranging levels of accuracy. Correlated shadowing is identified as being a 'key' in-building propagation characteristic that has the potential to strongly influence system performance. Propagation models that included correlated shadowing are shown to produce the most accurate estimates of outage probability when there are a number of interferers facing a user. Base station deployment is shown to be a dominant factor influencing the levels of correlated shadowing, and consequently, base station deployment is shown to have major implications on system performance. The system performance for a variety of base station deployment strategies has been determined. Results indicate that there is a tradeoff between system simplicity and performance.Keywords
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