Patent ID: 6967939
Filing Date: 2005-11-22
Classification: H04B

Abstract:
1. A radio communication system comprising a base station and a plurality of mobile stations arranged to communicate therewith using a wide band code division multiple access multiplexing technique, the base station operating at a known sampling rate and having a plurality of P separate antennae, where P is an integer greater than one, each arranged to receive a time displaced signal from each mobile station, a multiplexing system for multiplexing the outputs of the antennae at a rate of P times the sampling rate so that the first sample taken from the output of each of the P antenna occurs in a succession of P first samples followed by the P second samples and so on progressively with subsequent samples, a tapped delay line having P×N serially connected elements, where N is an integer greater than zero, connected to the output of the multiplexer system with each P th element having a tapped output, and a N input correlation means connected to the N outputs of the delay line and operative to cross correlate the outputs from this tapped delay line with a locally generated code signal.