Title :
CDMA cellular downlink transmission with transmit arrays and power control: circuit-switched and packet-switched systems
Author :
Dai, Huaiyu ; Mailaender, Laurence ; Poor, H. Vincent
Author_Institution :
Dept. of Electr. & Comput. Eng., North Carolina State Univ., Raleigh, NC, USA
Abstract :
Wireless CDMA cellular downlink communications with transmit antenna arrays in multipath fading channels is studied. Transmit diversity and various beamforming techniques are investigated and compared, in conjunction with power control. No instantaneous downlink channel information is assumed; however, the obtained results are also compared with results assuming ideal feedback. The study is carried out for both circuit-switched and packet-switched systems, for which different conclusions are drawn.
Keywords :
antenna arrays; cellular radio; circuit switching; code division multiple access; diversity reception; fading channels; multipath channels; packet switching; power control; radio links; telecommunication control; transmitting antennas; beamforming techniques; cellular downlink communications; circuit-switched system; downlink channel information; ideal feedback; multipath fading channels; packet-switched system; power control; transmit antenna arrays; transmit diversity; wireless CDMA; Antenna arrays; Array signal processing; Base stations; Beam steering; Circuits; Downlink; Multiaccess communication; Power control; Signal processing; Signal to noise ratio;
Conference_Titel :
Communications, 2003. ICC '03. IEEE International Conference on
Print_ISBN :
0-7803-7802-4
DOI :
10.1109/ICC.2003.1204067
