Implementation of a Smart Antenna Base Station for Mobile WiMAX Based on OFDMA

被引：0
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作者：
Seungheon Hyeon
Changhoon Lee
Chang-eui Shin
Seungwon Choi
机构：
[1] Hanyang University,Department of Electronics and Computer Engineering
来源：
EURASIP Journal on Wireless Communications and Networking | / 2009卷
关键词：
Medium Access Control; Orthogonal Frequency Division Multiple Access; Antenna Element; Automatic Gain Control; Smart Antenna;
D O I：
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学科分类号：
摘要：
We present an implementation of a mobile-WiMAX (m-WiMAX) base station (BS) that supports smart antenna (SA) functionality. To implement the m-WiMAX SA BS, we must address a number of key issues in baseband signal processing related to symbol-timing acquisition, the beamforming scheme, and accurate calibration. We propose appropriate solutions and implement an m-WiMAX SA BS accordingly. Experimental tests were performed to verify the validity of the solutions. Results showed a 3.5-time (5.5 dB) link-budget enhancement on the uplink compared to a single antenna system. In addition, the experimental results were consistent with the results of the computer simulation.
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