Receiver device for code division multiplex communication system

Details Receiver device for code division multiplex communication system Receiver device for code division multiplex communication system

1994-09-21

1997-02-11

Safourek, Benedict V.

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

370208, 375206, 375209, H04B 1707, H04J 1304

Patent

active

056028326

ABSTRACT:
In a CDM (code division multiplex) communications system a base station transmits a plurality of data signals on a common channel. Each data signal is provided with a spreading sequence, e.g. a Gold code, each sequence being allocated to a user of that channel. Each receiver incorporates a channel estimator for determining the channel impulse response (CIR) and means for convolving the CIR estimate with the corresponding user code. This is then correlated with the received signal to recover the received data. The arrangement allows an increased number of users to share a common channel.

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