Spread spectrum communication device and spread spectrum...

Details Spread spectrum communication device and spread spectrum... Spread spectrum communication device and spread spectrum...

H - Electricity

04

B

H04B 7/216 (2006.01) H04B 1/69 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2459322

In a compressed mode, a spread spectrum communication device interleaves bit units across multiple a frames using an interleaver, reduces the spreading factor using a framing/spreading unit, outputs the compressed mode frames at a predetermined compressed mode frame timing, and increases the average transmission power in the compressed mode at a radio frequency transmitter. Furthermore, a handover between different frequencies is carried out by establishing synchronization to another frequency carrier, based on a first search code and a second search code which have been detected, and moreover, a handover between different communication systems is carried out by' establishing synchronization to a GSM, based on an FCCH and a SCH which have been detected.

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