Variable bandwidth cdma radio system

Details Variable bandwidth cdma radio system Variable bandwidth cdma radio system

H - Electricity

04

J

H04J 13/00 (2006.01) H04B 7/26 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2100754

In a CDMA communications system (10), having a plurality of base sites (11, 12, 13), a CDMA trunking method is offered including means for detecting multi-variant CDMA signals and means for providing hand-off of a communication unit (20) be- tween systems normally operating under different CDMA parameters. Each of the plurality of base sites (11, 12, 13) has a corre- sponding service coverage area (14, 15, 16). In operation, each base site continuously transmits an identification signal (70, 71, 72). Upon identification of the proximal base site (13), the communication unit (20) transmits a resource request (73) to the proxi- mal base site (13) which request is acknowledged and a resource granted upon a resource allocated for use by that base site (13).

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