Title :
Capacity improvement of cellular CDMA by the subspace-tracking array-receiver
Author :
Affes, Sofiene ; Mermelstein, P.
Author_Institution :
INRS-Telecommun., Quebec Univ., Verdun, Que., Canada
Abstract :
Based on a new formulation derived from array signal processing theory, we develop in this contribution the subspace-tracking array-receiver (STAR) for cellular CDMA in a multipath environment. The new receiver, STAR, shows fast tracking capability in the presence of strong nonstationarities, requires a low order of computational complexity and increases the uplink capacity of the CDMA system in terms of number of users per cell.
Keywords :
antenna arrays; array signal processing; cellular radio; channel capacity; code division multiple access; computational complexity; multipath channels; radio receivers; spread spectrum communication; tracking; STAR; array signal processing theory; capacity improvement; cellular CDMA; computational complexity; fast tracking capability; multipath environment; strong nonstationarities; subspace-tracking array-receiver; uplink capacity; Additive noise; Array signal processing; Business; Differential quadrature phase shift keying; Multiaccess communication; Phase shift keying; Pulse shaping methods; Receiving antennas; Sensor systems; Wireless communication;
Conference_Titel :
Signal Processing Advances in Wireless Communications, First IEEE Signal Processing Workshop on
Conference_Location :
Paris, France
Print_ISBN :
0-7803-3944-4
DOI :
10.1109/SPAWC.1997.630339
