Title :
Capacity Enhancement for Indoor Up-Link MC-CDMA in Dense-Populated Area
Author :
Yang, B. ; Hajian, M. ; Ligthart, L.P.
Author_Institution :
Dept. of Electr. Eng., Delft Univ. of Technol.
Abstract :
In this paper, we proposed a simple algorithm to increase the MC-CDMA system capacity in an indoor mobile environment. This algorithm combines an efficient blind adaptive beamforming based on maximum signal-to-interference-noise ratio (MSINR) with the power control (PC). It has low computational complexity and converges fast. Simulation results show that with the beamforming only, the SINR improves about 7.9 dB. With the power control add to it, the overall system capacity is further increased about 23%. In addition, the algorithm can assign different target BER to different users. This can further increase the overall system capacity.
Keywords :
array signal processing; code division multiple access; error statistics; indoor radio; mobile radio; power control; radio links; telecommunication control; BER; MSINR; blind adaptive beamforming; capacity enhancement; dense-populated area; indoor mobile environment; indoor up-link MC-CDMA; maximum signal-to-interference-noise ratio; power control; Adaptive control; Array signal processing; Fading; Interference; Multiaccess communication; Multicarrier code division multiple access; Power control; Power system modeling; Programmable control; Signal to noise ratio;
Conference_Titel :
Vehicular Technology Conference, 2007. VTC2007-Spring. IEEE 65th
Conference_Location :
Dublin
Print_ISBN :
1-4244-0266-2
DOI :
10.1109/VETECS.2007.624
