Globally optimal transmitter placement for indoor wireless communication systems

被引：25
|
作者：
He, J [1 ]
Verstak, AA
Watson, LT
Stinson, CA
Ramakrishnan, N
Shaffer, CA
Rappaport, TS
Anderson, CR
Bae, KK
Jiang, J
Tranter, WH
机构：
[1] Virginia Polytech Inst & State Univ, Dept Comp Sci, Blacksburg, VA 24061 USA
[2] Univ Texas, Dept Elect & Comp Engn, Austin, TX 78712 USA
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2004年 / 3卷 / 06期
基金：
美国国家科学基金会;
关键词：
bit-error rate (BER); DIviding RECTangles; (DIRECT) algorithm; global optimization; power coverage; ray tracing; surrogate function; transmitter placement; wideband code division multiple access (WDCMA);
D O I：
10.1109/TWC.2004.837454
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A global optimization technique is applied to solve the optimal transmitter placement problem for indoor wireless systems. An efficient pattern search algorithm- DIviding RECT-angles (DIRECT) of Jones et al.-has been connected to a parallel three-dimensional radio propagation ray tracing modeler running on a 200-node Beowulf cluster of Linux workstations. Surrogate functions for a parallel wideband code-division multiple-access (WCDMA) simulator were used to estimate the system performance for the global optimization algorithm. Power coverage and bit-error rate are considered as two different criteria for optimizing locations of a specified number of transmitters across the feasible region of the design space. This paper briefly describes the underlying radio propagation and WCDMA simulations and focuses on the design issues of the optimization loop.
引用
收藏
页码：1906 / 1911
页数：6
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