Receiver with multiple collectors in a multiple user detection system

摘要

A digital wireless communication system for increasing the number of users capable of communicating over a network permits multiusers to transmit information simultaneously on the same channel or frequency. The primary example of such a system would be that employing radio frequency transmissions, even optical transmissions; however, the invention will also apply to magnetic detections such as in the reading of information stored on a magnetic tape. It is possible to increase overall throughput in terms of total number of bits transmitted through the shared medium by all users of a multiple access system if the signals are allowed to interfere. The present invention provides a multiuser detection process and apparatus that is capable of pulling apart signals in heavy interference in real time by combining the signals received from two or more spatially separated collectors or antennas. The present invention includes the steps of taking more measurements of the received signal from two separate collectors prior to definition of the multiuser algorithm parameters and combining the different collection of signals as one signal for multiple user detection processing.