Multiplex communications – Wide area network – Packet switching
Patent
1994-07-27
1996-04-30
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
455 331, H04J 316
Patent
active
055131832
ABSTRACT:
A mobile telephone system multiplexes plural voice traffic channels on a single carrier using a TDMA protocol. The capacity of the mobile telephone system is increased by assigning voice traffic capacity, not on a conversation basis, but on an information burst basis. In order to avoid compromising the voice transmission capacity, control signals (for the allocation and deallocation of both forward and reverse traffic channels) are sent using multiple diversity, i.e. both time and frequency. In addition, to increase the number of available control channels, a control channel comprises a sub-divided portion of an otherwise equivalent voice traffic slot. For reverse allocation requests, which are transmitted over a contention access channel, power diversity is used in addition to time and frequency diversity.
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patent: 4625308 (1986-11-01), Kim et al.
patent: 5159593 (1992-10-01), D'Amico et al.
patent: 5212684 (1993-05-01), MacNamer et al.
patent: 5212803 (1993-05-01), Uddenfeldt et al.
patent: 5299198 (1994-03-01), Kay et al.
Corrigan III John E.
Kay Stanley E.
Mehta Ashok D.
Parr Michael I.
Wendling Daniel R.
Denson-Low Wanda K.
Hom Shiok
Hughes Aircraft Company
Lindeen III Gordon R.
Olms Douglas W.
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