Sciweavers

ICASSP
2011
IEEE
13 years 2 months ago
On the sum rate of ZF detectors over correlated K fading MIMO channels
This paper presents a detailed sum rate investigation of Zero-Forcing (ZF) detectors over composite multiple-input multiple-output (MIMO) channels. To this end, we consider the ge...
Michail Matthaiou, Nestor D. Chatzidiamantis, Geor...
ICASSP
2011
IEEE
13 years 2 months ago
Grassmannian predictive coding for limited feedback multiuser MIMO systems
Grassmannian beamforming is an efficient way to quantize channel state information in multiple-input multiple-output wireless systems. Unfortunately, multiuser systems require la...
Takao Inoue, Robert W. Heath Jr.
CORR
2010
Springer
135views Education» more  CORR 2010»
13 years 8 months ago
On Achievable Rates of the Two-user Symmetric Gaussian Interference Channel
We study the Han-Kobayashi (HK) achievable sum rate for the two-user symmetric Gaussian interference channel. We find the optimal power split ratio between the common and private m...
Omar Mehanna, John Marcos, Nihar Jindal
WIOPT
2010
IEEE
13 years 8 months ago
Optimizing power allocation in interference channels using D.C. programming
Abstract--Power allocation is a promising approach for optimizing the performance of mobile radio systems in interference channels. In the present paper, the non-convex objective f...
Hussein Al-Shatri, Tobias Weber
WIOPT
2010
IEEE
13 years 9 months ago
Low complexity algorithms for relay selection and power control in interference-limited environments
Abstract—We consider an interference-limited wireless network, where multiple source-destination pairs compete for the same pool of relay nodes. In an attempt to maximize the sum...
Lazaros Gkatzikis, Iordanis Koutsopoulos
CORR
2008
Springer
136views Education» more  CORR 2008»
13 years 9 months ago
Networked MIMO with Clustered Linear Precoding
A clustered base transceiver station (BTS) coordination strategy is proposed for a large cellular MIMO network, which includes full intra-cluster coordination
Jun Zhang, Runhua Chen, Jeffrey G. Andrews, Arunab...
TWC
2008
91views more  TWC 2008»
13 years 10 months ago
Throughput and Channel Access Statistics of Generalized Selection Multiuser Scheduling
To provide a near-optimal low-complexity solution to parallel multiuser scheduling in code-division multiple-access (CDMA), we propose generalized selection multiuser diversity (GS...
Yao Ma, Jinghua Jin, Dongbo Zhang
TSP
2008
119views more  TSP 2008»
13 years 10 months ago
MIMO Relaying With Linear Processing for Multiuser Transmission in Fixed Relay Networks
In this paper, a novel relaying strategy that uses multiple input multiple output (MIMO) fixed relays with linear processing to support multiuser transmission in cellular networks...
Chan-Byoung Chae, Taiwen Tang, Robert W. Heath Jr....
CORR
2007
Springer
131views Education» more  CORR 2007»
13 years 10 months ago
Multi-Access MIMO Systems with Finite Rate Channel State Feedback
This paper characterizes the effect of finite rate channel state feedback on the sum rate of a multi-access multiple-input multiple-output (MIMO) system. We propose to control th...
Wei Dai, Brian Rider, Youjian Liu
CORR
2006
Springer
151views Education» more  CORR 2006»
13 years 11 months ago
High SNR Analysis for MIMO Broadcast Channels: Dirty Paper Coding vs. Linear Precoding
We study the MIMO broadcast channel and compare the achievable throughput for the optimal strategy of dirty paper coding to that achieved with sub-optimal and lower complexity lin...
Juyul Lee, Nihar Jindal