H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/16 (2006.01) H04W 4/02 (2009.01) H04W 88/06 (2009.01) G01S 19/37 (2010.01)
Patent
CA 2420077
A communication system capable of communicating RF signals at any one of a plurality of communication standards through a common antenna is disclosed. The communication system includes a transmitting unit having at least one transmit RF information signal output, and a receiving unit having at least one receive RF information signal input and a GPS RF information signal input. The transmitting unit includes a modulator for modulating a transmit IF with a transmit baseband information signal to generate a transmit IF information signal and an upconverter for upconverting the transmit IF information signal with a transmit RF to generate at least one transmit RF information signal. The receiving unit includes a receive downconverter for downconverting the at least one receive RF information signal with a receive RF to generate a receive IF information signal, a GPS downconverter for downconverting the GPS RF information signal with the receive RF to generate a GPS IF information signal, and a demodulator for demodulating the receive IF to generate GPS and receive baseband signals. An antenna is coupled to the at least one transmit RF information signal output, the at least one receive RF information signal input, and the GPS RF information signal input for transmitting and receiving RF information signals.
L'invention porte sur un système de communication capable de traiter des signaux RF de différentes normes à l'aide d'une même antenne. Ledit système comporte une unité émettrice présentant: au moins une sortie (26) d'émission de signaux RF d'information, au moins une entrée (24) de réception de signaux RF d'information, et une entrée de réception de signaux RF d'information GPS. L'unité émettrice comporte: un modulateur (16) modulant la FI d'émission à l'aide du signal d'information en bande de base émis pour produire le signal d'information FI émis; et un élévateur de fréquence convertissant le signal d'information FI à l'aide du signal RF émis pour produire au moins un signal RF d'information émis.
Cisco Systems Inc.
Conexant Systems Inc.
Gowling Lafleur Henderson Llp
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