Sciweavers

ISITA
2010
13 years 1 months ago
An achievable rate of large block-fading MIMO systems with no CSI via successive decoding
Abstract--A Rayleigh block-fading multiple-input multipleoutput (MIMO) channel with channel state information (CSI) available neither to the transmitter nor to the receiver is cons...
Keigo Takeuchi, Ralf R. Müller, Mikko Vehkape...
VTC
2010
IEEE
183views Communications» more  VTC 2010»
13 years 1 months ago
Joint Subcarrier and Power Allocation for an OFDMA Relay Network with Multicells
—In this paper, we propose a new resource allocation scheme for an OFDMA relay network with multicells. In the proposed scheme, by sharing the channel state information (CSI) bet...
Dongwook Choi, Dongwoo Lee, Jae Hong Lee
INFOCOM
2010
IEEE
13 years 2 months ago
Coupled 802.11 Flows in Urban Channels: Model and Experimental Evaluation
Abstract—Contending flows in multi-hop 802.11 wireless networks compete with two fundamental asymmetries: (i) channel asymmetry, in which one flow has a stronger signal, potent...
Joseph Camp, Ehsan Aryafar, Edward W. Knightly
CORR
2007
Springer
186views Education» more  CORR 2007»
13 years 3 months ago
Multiuser MIMO Downlink Made Practical: Achievable Rates with Simple Channel State Estimation and Feedback Schemes
We consider a MIMO fading broadcast channel and compute achievable ergodic rates when channel state information is acquired at the receivers via downlink training and explicit cha...
Giuseppe Caire, Nihar Jindal, Mari Kobayashi, Nira...
JSAC
2007
117views more  JSAC 2007»
13 years 3 months ago
Optimization of Training and Scheduling in the Non-Coherent SIMO Multiple Access Channel
— Channel state information (CSI) is important for achieving large rates in MIMO channels. However, in timevarying MIMO channels, there is a tradeoff between the time/energy spen...
Sugumar Murugesan, Elif Uysal-Biyikoglu, Philip Sc...
TSP
2008
160views more  TSP 2008»
13 years 3 months ago
Capacity Analysis of MIMO Systems Using Limited Feedback Transmit Precoding Schemes
This paper employs a high resolution quantization framework to study the effects of finite-rate feedback of the channel state information (CSI) on the performance of multiple-input
J. Zheng, B. D. Rao
TCOM
2008
115views more  TCOM 2008»
13 years 3 months ago
Differentiated rate scheduling for the down-link of cellular systems
We consider the problem of differentiated rate scheduling for the downlink (i.e., multi-antenna broadcast channel), in the sense that the rates required by different users must sat...
Amir F. Dana, Masoud Sharif, Ali Vakili, Babak Has...
TCOM
2008
124views more  TCOM 2008»
13 years 3 months ago
Reliable adaptive modulation and interference mitigation for mobile radio slow frequency hopping channels
: Due to correlated fading in frequency hopping (FH) wireless communication systems, it is possible to predict the future channel state information (CSI) for one frequency based on...
Ming Lei, Alexandra Duel-Hallen, Hans Hallen
CORR
2006
Springer
105views Education» more  CORR 2006»
13 years 3 months ago
Capacity Results for Block-Stationary Gaussian Fading Channels with a Peak Power Constraint
Abstract--A peak-power-limited single-antenna block-stationary Gaussian fading channel is studied, where neither the transmitter nor the receiver knows the channel state informatio...
Jun Chen, Venugopal V. Veeravalli
CORR
2006
Springer
129views Education» more  CORR 2006»
13 years 3 months ago
MIMO Broadcast Channels with Finite Rate Feedback
Multiple transmit antennas in a downlink channel can provide tremendous capacity (i.e. multiplexing) gains, even when receivers have only single antennas. However, receiver and tra...
Nihar Jindal