Journal ArticleDOI
An overview of limited feedback in wireless communication systems
David J. Love,Robert W. Heath,Vincent K. N. Lau,David Gesbert,Bhaskar D. Rao,Matthew Andrews +5 more
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TLDR
This tutorial provides a broad look at the field of limited feedback wireless communications, and reviews work in systems using various combinations of single antenna, multiple antenna, narrowband, broadband, single-user, and multiuser technology.Abstract:
It is now well known that employing channel adaptive signaling in wireless communication systems can yield large improvements in almost any performance metric. Unfortunately, many kinds of channel adaptive techniques have been deemed impractical in the past because of the problem of obtaining channel knowledge at the transmitter. The transmitter in many systems (such as those using frequency division duplexing) can not leverage techniques such as training to obtain channel state information. Over the last few years, research has repeatedly shown that allowing the receiver to send a small number of information bits about the channel conditions to the transmitter can allow near optimal channel adaptation. These practical systems, which are commonly referred to as limited or finite-rate feedback systems, supply benefits nearly identical to unrealizable perfect transmitter channel knowledge systems when they are judiciously designed. In this tutorial, we provide a broad look at the field of limited feedback wireless communications. We review work in systems using various combinations of single antenna, multiple antenna, narrowband, broadband, single-user, and multiuser technology. We also provide a synopsis of the role of limited feedback in the standardization of next generation wireless systems.read more
Citations
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Journal ArticleDOI
Application of compressive sensing to limited feedback strategy in large-scale multiple-input single-output cellular networks
TL;DR: Numerical results show that the proposed compressive sensing-based limited feedback scheme yields better performance gain than the conventional channel quantisation approaches.
Journal ArticleDOI
Secure On–Off Transmission in Slow Fading Wiretap Channel With Imperfect CSI
Pengcheng Mu,Zongze Li,Bo Wang +2 more
TL;DR: This paper investigates the slow fading single-antenna wiretap channel with imperfect channel state information (CSI) and studies an on–off transmission scheme with fixed communication rate, secrecy rate, and transmit power for maximizing the secrecy throughput under the constraints of secrecy outage probability (SOP) and reliability outage probabilities (ROP).
Posted Content
Combining Training and Quantized Feedback in Multi-Antenna Reciprocal Channels
TL;DR: In this paper, a joint estimation and detection problem for joint CSIT acquisition and detection in time-division duplexed (TDD) and frequency division duplex (FDD) systems is studied.
Journal ArticleDOI
Online Power Optimization in Feedback-Limited, Dynamic and Unpredictable IoT Networks
TL;DR: This work proposes a regret-based formulation that accounts forrary network dynamics, and identifies an important tradeoff between the amount of feedback available at the transmitter side and the resulting system performance.
Proceedings ArticleDOI
Spatial modulation for massive MIMO
TL;DR: In this study, an emerging wireless communication concept which is termed as spatial modulation (SM) is considered for large scale MIMO and the results show that in information-theoretic viewpoint, SM achieves capacity comparable to the open-loop MIMo capacity even though a subset of transmit antennas is activated in every channel use.
References
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A simple transmit diversity technique for wireless communications
TL;DR: This paper presents a simple two-branch transmit diversity scheme that provides the same diversity order as maximal-ratio receiver combining (MRRC) with one transmit antenna, and two receive antennas.
Journal ArticleDOI
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Journal ArticleDOI
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TL;DR: In this paper, the authors investigate the use of multiple transmitting and/or receiving antennas for single user communications over the additive Gaussian channel with and without fading, and derive formulas for the capacities and error exponents of such channels, and describe computational procedures to evaluate such formulas.
Journal ArticleDOI
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