Robust power optimization for device-to-device communication in a multi-cell network under partial CSI

For device-to-device (D2D) underlaid cellular networks, the perfect channel state information (CSI) may not be available at the base station (BS). In this work, under an assumption of partial CSI, we study the problem of maximizing the expected sum rate for a cellular user (CU) and a D2D pair, with...

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Bibliographic Details
Published in:IEEE International Conference on Communications (2003) pp. 1 - 6
Main Authors: Ramezani-Kebrya, Ali, Min Dong, Ben Liang, Boudreau, Gary, Seyedmehdi, S. Hossein
Format: Conference Proceeding
Language:English
Published: IEEE 01.05.2017
Subjects:
Copper
Device-to-device communication
Interference
Resource management
Signal to noise ratio
Uplink
Upper bound
ISSN:1938-1883
Online Access:Get full text
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Summary:For device-to-device (D2D) underlaid cellular networks, the perfect channel state information (CSI) may not be available at the base station (BS). In this work, under an assumption of partial CSI, we study the problem of maximizing the expected sum rate for a cellular user (CU) and a D2D pair, with receive beamforming at the BS, subject to minimum SINR requirements for both the CU and D2D pair, per-node maximum power, and inter-cell interference constraints in multiple neighboring cells. We solve this non-convex joint optimization problem in two steps. We first consider the D2D admissibility problem to determine whether the D2D pair can reuse the channel resource of the CU. We then propose a robust power control algorithm using a ratio-of-expectation approximation to maximize the expected sum rate. For benchmarking, we further provide an upper bound on the maximum expected sum rate. Simulation results show that our proposed solution gives performance close to the upper bound.
ISSN:1938-1883
DOI:10.1109/ICC.2017.7996669