Pulse or digital communications – Repeaters – Testing
Patent
1994-08-18
1997-01-14
Chin, Stephen
Pulse or digital communications
Repeaters
Testing
375324, 329316, H04B 1500, H04L 2722
Patent
active
055947557
ABSTRACT:
Apparatus for use in equipment providing digital radio link between a fixed radio unit and a mobile radio unit. The apparatus includes demodulators arranged to receive inphase and quadrature phase input signals. A channel estimator is provided for deriving a decision directed channel estimate from one or more signals which is used by the demodulator for demodulating one or more of the signals transmitted over the same radio channel. The apparatus is for use in the demodulation of dual binary phase shift keying signals and various embodiments are possible. In addition, the apparatus may be used in conjunction with precombining Rake architecture.
REFERENCES:
patent: 5361276 (1994-11-01), Subramanian
Chin Stephen
Ghebretinsae T.
Roke Manor Research Limited
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