Common use of Increased Capacity Clause in Contracts

Increased Capacity. 1.1.4.1 USE OF ADVANCED MODULATION TECHNIQUES AND GEOGRAPHIC REUSE The System provides for increased MS unit capacity. Research in modulation technology for land mobile radio has resulted in a practical digital modulation technique, which, when combined with TDMA and a digital speech coding method, can convey 6 voice/data channels in a single 25 kHz RF channel at 800 MHz (except for time slots reserved for control purposes). Optionally, time slots can be combined in offset pairs to support a higher vocoder rate in interconnect mode. The digital speech subsystem consists of VSELP speech encoding technique coupled with a channel error control method. A modified speech coding modulation subsystem has been incorporated in the System to fit within the FCC Part 90, 25 kHz bandwidth limitation. 1.1.4.2 HANDPORTABLE VIABILITY Several considerations have been given by the System architects to improve the viability of handportables. Most of these relate to reducing the power consumption of the handportable. Among these key provisions are: o Active Power Control o Discontinuous Transmit