A multiple user spread-spectrum communication system

Details A multiple user spread-spectrum communication system A multiple user spread-spectrum communication system

H - Electricity

04

B

H04B 1/69 (2006.01) H04B 7/005 (2006.01) H04J 4/00 (2006.01) H04K 1/04 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2092292

A communication system having a site (42) employing a plurality of communication channels. Each channel is assigned a desired received signal strength threshold. A channel is assigned to a subscriber unit (43a 43b) based upon the strength of the sig- nal received at the site (42) and the power control range of the suscriber unit (43a, 43b). The selection of a channel may be per- formed either by the site (42) or the subscriber unit (43a 43b). In an FDMA environment (50), each separate frequency division channel may be assigned different received signal strength thresholds. In a non-overlapping time interval (TDMA) environment (70), each separate time division channel may be assigned different received signal strength thresholds. In another embodiment (80), a combination of FDMA and TDMA environments can be used.

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