H - Electricity – 03 – D
Patent
H - Electricity
03
D
H03D 3/02 (2006.01) H04B 1/69 (2006.01) H04B 1/707 (2006.01) H04L 27/20 (2006.01) H04L 27/227 (2006.01) H04L 27/233 (2006.01) H04J 13/00 (2006.01) H04J 14/00 (2006.01)
Patent
CA 2199525
Methods and apparatus for the transmission and reception of coded-phase modulation spread-spectrum communication signals are presented. The various embodiments include such features as coherent or non-coherent reception; differential encoding and decoding; serial or parallel correlation (815, 820); demodulation based on the phase of the received signal; and choice of modulating codes from tables based on the input data or on other information to be transmitted.
Procédés et appareil destinés à la transmission et à la réception de signaux de télécommunications à étalement de spectre et à modulation à phase constante. Les divers modes de réalisation envisagés comportent des caractéristiques telles que la réception cohérente ou non cohérente; le codage et le décodage différentiel; la corrélation en série ou en parallèle (815, 820); la démodulation basée sur la phase du signal reçu; et un choix de codes de modulation à partir de tables basées sur les données d'entrée ou sur d'autres informations à transmettre.
Burbach Mark T.
Durrant Randolph L.
Hoyt Eugene P.
Omnipoint Corporation
Smart & Biggar
Xircom Wireless Inc.
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