Study of Inter-Base Station Beam Switching Considering Asymmetric Broadband Transmission in Cognitive Radio

被引:0
作者
Imata, Satoshi [1 ]
Nohara, Mitsuo [1 ]
Kashiki, Kanshiro [2 ]
机构
[1] KDDI R&D Labs Inc, ITS & Wireless Technol Dev Grp, Tokyo, Japan
[2] KDDI R&D Labs Inc, Cognit Radio Lab, Saitama, Japan
来源
2008 IEEE 19TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS | 2008年
关键词
Asymmetric Broadband Transmission of up and downlink; Beam Switching; Cognitive Radio; Efficient Use of Frequency; Link Capacity Sharing; Response time for Web browsing;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The authors considered applying cognitive radio to facilitate the efficient use of frequency resources over multiple radio links. They proposed a beam-switching scheme for radio links among inter-base stations and analyzed transmission performance characteristics by response time for Web browsing. The current modeling assumes mobile WiMAX transmissions to be a realistic and efficient form of broadband radio communications. In this paper, the transmission characteristics of inter-base station beam switching are evaluated by software simulations, assuming broadband asymmetric transmission of up- and downlinks. Furthermore, the evaluations extend to cascaded topologies applicable to disaster relief deployment. The results show that beam switching of broadband transmission has better transmission performance than fixed capacity assignment of a band-division transmission depending on conditions in basic and cascaded cases.
引用
收藏
页码:435 / 440
页数:6
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