Title :
Impact of base station cooperation in multi-antenna cellular system
Author :
Taniguchi, Tetsuki ; Karasawa, Yoshio ; Nakajima, Nobuo
Author_Institution :
Dept. of Electron. Eng., Univ. of Electro-Commun. (UEC), Chofu, Japan
Abstract :
In cellular systems, the user terminals are suffered from the attenuation of the signal from the base station (BS) and the interferences from other users. This paper considers the improvement of this bad situation by BS cooperation (BSC) in the downlink scenario assuming multi-antenna schemes, and compares the effectiveness of several strategies based on a three cell model. The result shows the advantage of BSC, and the simple ZF (zero forcing) based approach has an advantage under the high SNR (signal to noise ration) scenario, while the circular iterative weight design proposed by authors shows the best performance in the low SNR region.
Keywords :
antenna arrays; cellular radio; iterative methods; mobile antennas; radiofrequency interference; base station cooperation; cell model; circular iterative weight design; downlink scenario; multiantenna cellular system; radiofrequency interferences; signal attenuation; signal-to-noise ratio; user terminals; zero forcing-based approach; Attenuation; Base stations; Downlink; Geometry; Humans; Interference; Iterative methods; MIMO; Signal to noise ratio; Wireless communication; Cooperative systems; MIMO systems; arrays signal processing; land mobile radio;
Conference_Titel :
Wireless Technology Conference, 2009. EuWIT 2009. European
Conference_Location :
Rome
Print_ISBN :
978-1-4244-4721-3
