Compatible analog channel unit for a digital cellular telephone system

摘要: A compatible analog channel unit for a digital cellular telephone system services both and mode subscribers on the same hardware. The which may be configured by service provider to permit easy upgrading of during life equipment without additional capital expense provider. All functions required an base station are provided in firmware executed commercial signal processors (DSPs). DSPs, when down-loaded with different firmware, perform TDM/TDMA related as station. operator can configure units from remote location simply downloading appropriate firmware. whether or digital, is downloaded into hardware according assigned mode. This permits dynamic allocation requirements. Since this system, special features added revising means future product enhancements affecting