Optimal selective feedback policies for opportunistic beamforming

T Samarasinghe, H Inaltekin… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
This paper studies the structure of downlink sum-rate maximizing selective decentralized
feedback policies for opportunistic beamforming under finite feedback constraints on the …

Joint opportunistic scheduling and selective channel feedback

M Karaca, Y Sarikaya, O Ercetin… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
It is well known that Max-Weight type scheduling algorithms are throughput optimal since
they achieve the maximum throughput while maintaining the network stability. However, the …

Optimum location-based relay selection in wireless networks

H Inaltekin, S Atapattu, JS Evans - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper studies the performance and key structural properties of the optimum location-
based relay selection policy for wireless networks consisting of homogeneous Poisson …

A novel energy saving MIMO mechanism in LTE systems

R Imran, M Shukair, N Zorba, O Kubbar… - 2013 IEEE …, 2013 - ieeexplore.ieee.org
Long Term Evolution (LTE) supports closed-loop MIMO techniques to improve its
performance, but in order to exploit multiuser MIMO channel capabilities, the design of an …

Rate optimal limited feedback policies for the MIMO downlink

H Inaltekin, T Samarasinghe… - … Symposium of Modeling …, 2011 - ieeexplore.ieee.org
This paper introduces and solves the sum rate maximization problem at the multiple-input
multiple-output (MIMO) downlink as a function optimization problem subject to feedback …

An energy saving strategy for LTE-A multiantenna systems

R Imran, M Shukair, N Zorba, C Verikoukis - Mobile Networks and …, 2015 - Springer
Abstract Long Term Evolution-Advanced (LTE-A) supports closed-loop Multiple Input
Multiple Output (MIMO) techniques to improve its performance, but in order to exploit …

Vector broadcast channels: Optimal threshold selection problem

T Samarasinghe, H Inaltekin… - 2011 IEEE International …, 2011 - ieeexplore.ieee.org
Threshold feedback policies are well known and provably rate-wise optimal selective
feedback techniques for communication systems requiring partial channel state information …

Vector broadcast channels: Optimality of threshold feedback policies

T Samarasinghe, H Inaltekin… - 2011 IEEE International …, 2011 - ieeexplore.ieee.org
Beamforming techniques utilizing only partial channel state information (CSI) has gained
popularity over other communication strategies requiring perfect CSI thanks to their lower …

[PDF][PDF] 基于分簇门限反馈的机会波束成形算法研究

陈兴旺, 许小东 - 电子学报, 2016 - ejournal.org.cn
在波束间存在干扰的小区通信场景中, 研究满足反馈用户数约束条件时, 如何有效运用机会波束
成形(ORBF) 算法实现和速率最大化的问题. 针对该问题, 提出了一种基于分簇门限反馈的ORBF …

Optimal selective feedback policies for opportunistic beamforming under peak feedback constraints

T Samarasinghe, H Inaltekin… - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
Opportunistic beamforming (OBF) is a well-known communication technique that utilizes
partial channel state information (CSI) to obtain multiuser diversity gains in the downlink. We …