Browsing Master Theses & Projects by Author "Dong, Min"
Now showing items 1-12 of 12
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Codebook design for distributed relay beamforming system
Zheng, Min (2012-04-01)In FDD amplify-and-forward distributed relay network, codebook techniques are utilized to feedback quantized CSI with limited cost. First, this thesis focuses on the phaseonly codebook and with-power-control codebook design ... -
Cooperative relay beamforming design for multi-cluster relay interference networks
Yang, Zilong (2016-08-01)In this work, we consider a multi-cluster amplified-and-forward (AF) relay interference network and design relay beam matrix for each cluster to maximize the minimum signal-to-interference-and-noise ratio (SINR) at ... -
Coordinated multicast beamforming for multi-cell massive MIMO systems
Yin, Shiqi (2023-09-01)In this thesis, we consider the efficient coordinated multi-cell multicast beamforming design in massive massive multiple-input multiple output (MIMO) cellular networks. For the problem that aims to minimize the base station ... -
Efficient design of reconfigurable intelligent surface assisted multi-group multicast beamforming
Ebrahimi, Mohammad (2023-09-01)This thesis considers a multi-group multicasting scenario facilitated by a reconfigurable intelligent surface (RIS). We propose low-complexity scalable algorithms for the joint design of the base station (BS) multicast ... -
Energy-efficient relay cooperation for lifetime maximization
Zuo, Fangzhi (2011-08-01)We study energy-efficient power allocation among relays for lifetime maximization in a dual-hop relay network operated by amplify-and-forward relays with battery limitations. Power allocation algorithms are proposed for ... -
Fast algorithm for joint unicast and multicast beamforming in large-scale systems
Mohammadi, Shadi (2021-09-01)We consider a joint unicast and multi-group multicast beamforming problem for massive multiple-input multiple-output (MIMO) system with a large number of unicast users. We propose an alternating direction method of multipliers ... -
Joint channel pairing and power allocation optimization in two-way multichannel relaying.
Chang, Mingchun (2014-08-01)We consider two-way amplify-and-forward relaying in a multichannel system with two end nodes and a single relay, using a two-slot multi-access broadcast (MABC) as well as time-division broadcast (TDBC) relaying strategies. ... -
Joint optimization of transmit beamforming and base station cache allocation in multi-cell C-RAN
Esmaeili, Mehran (2021-11-01)Cloud radio access network (C-RAN) with wireless backhaul has been considered as a possible solution for small cell deployment. Limited capacity of wireless backhaul encourages people to equip the base stations (BSs) with ... -
Joint relay beamforming and transceiver processing in multiuser relay network
Li, Wen (2016-08-01)In this thesis, we focus on joint relay beamforming and transceiver processing in multiuser relay network. First of all, we consider the scenario in which multiple source-to-destination (S-D) pairs intend to communicate ... -
Low complexity multicast beamforming in massive MIMO multi-cell networks
Yu, Jiawei (2018-08-01)In this thesis, we consider downlink multicast beamforming in massive multi-input multi- output (MIMO) multi-cell networks. Both non-cooperative and cooperative beamforming scenarios are considered. For the non-cooperative ... -
Multi-antenna relay network beamforming design for multiuser peer-to-peer communications.
Chen, Jiangwei (2014-08-01)In this work, we consider a multi-user peer-to-peer relay network with multiple multiantenna relays which employ amplify-and-forward relaying protocol. Assuming distributed relay beamforming strategy, we investigate the ... -
Optimal structure and efficient algorithm for max-min fair multi-group multicast beamforming
Wang, Qiqi (2019-09-01)In this thesis, we consider the max-min fair (MMF) multi-group multicast beamforming design to maximize the minimum signal-to-interference-plus-noise ratio (SINR) subject to transmit power limit. We obtain the optimal ...