Fundamentals of wireless communication
Fundamentals of wireless communication
The rate region of a cooperative scheduling system
IEEE Transactions on Wireless Communications
Effective capacity: a wireless link model for support of quality of service
IEEE Transactions on Wireless Communications
Quality-of-Service Driven Power and Rate Adaptation over Wireless Links
IEEE Transactions on Wireless Communications
Communication over fading channels with delay constraints
IEEE Transactions on Information Theory
Opportunistic beamforming using dumb antennas
IEEE Transactions on Information Theory
Spectral efficiency in the wideband regime
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
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A wireless communication system where a common base station (BS) is scheduled to transmit information to mobile users on a time division (TD) basis, under quality of service (QoS) constraints is considered. The quality of service requirement is specified in terms of the asymptotic decay rate of the buffer occupancy. The effective capacity of this system is characterized and the optimal scheduling scheme which achieves the boundary of the effective capacity region is found. It is further shown that the optimal scheduling scheme without quality of service constraints and the opportunistic scheduling schemes fall out as special cases of a more generalized class of scheduling schemes derived in this paper.