broadcast channels
Code designs for MIMO broadcast channels
... and compare them with others based on suboptimal strategies. We start with Cover’s simplest yet most celebrated two- user degraded Gaussian BC [1] and develop a code design that employs the dirty-paper code of [11] using ...
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Game theoretic approach for joint transmit beamforming and power control in cognitive radio MIMO broadcast channels
... In this paper, we present a game-theoretic approach to the problem of joint transmit beamforming and power control in cognitive radio (CR) multiple-input multiple-output broadcast channels (MIMO-BCs), where ...
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Implementing Broadcast Channels with Memory for Electronic Voting Systems
... a broadcast channel to spread the election data to the ...a broadcast channel are similar for most protocols, for example that the channel maintains a memory of all broadcast messages and that ...
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On Power Allocation for Parallel Gaussian Broadcast Channels with Common Information
... a broadcast communication scenario in which a single transmitter wishes to send a combination of (inde- pendent) particular messages that are intended for individual users and a common message that is intended for ...
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On the achievable rates of multiple antenna broadcast channels with feedback link capacity constraint
... antenna broadcast channels, also called multiple-input multiple-output (MIMO) downlink chan- nels, have attracted great research interest for a number of years because of their spectral efficiency improve- ...
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Transceiver Designs and Analysis for LTI, LTV and Broadcast Channels New Matrix Decompositions and Majorization Theory
... MIMO channels. MIMO broad- casting channels have aroused much interest in recent ...message broadcast scenario, the base station has only one precoder to encode a common message while the subscribed ...
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A Design Framework for Scalar Feedback in MIMO Broadcast Channels
... In this paper, we present a design framework for scalar feedback in MIMO broadcast channels, which generalizes previously proposed techniques. A family of metrics is pre- sented based on individual SINRs, ...
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Joint beamforming and power control algorithm for cognitive MIMO broadcast channels via game theory
... MIMO broadcast channels (CR MIMO-BCs) have become a topic of increasing research interest for CRNs in recent years [11–13], with secondary systems coex- isting with the primary ...
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Achievable rates optimization for broadcast channels using finite size constellations under transmission constraints
... For broadcast channels, the achievable rate region for two-user AWGN broad- cast channels with finite input alphabets is derived in [20] when superposition of modulated signal is used as transmission ...
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A simple block diagonal precoding for multi user MIMO broadcast channels
... Multi-user diversity can significantly improve the per- formance of multiple antenna systems. The simplest ways to achieve the diversity gain in MIMO downlink commu- nications are the zero forcing (ZF)-based linear ...
8
Guaranteed Performance Region in Fading Orthogonal Space Time Coded Broadcast Channels
... In [7], the capacity region with minimal rate require- ments of the fading BC is studied. A certain part of the long-term transmit power is used to fulfill the minimum rate requirements, while the remaining part of the ...
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Secrecy Capacity of a Class of Broadcast Channels with an Eavesdropper
... We study the security of communication between a single transmitter and many receivers in the presence of an eavesdropper for several special classes of broadcast channels. As the first model, we consider ...
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Secure transmission of correlated sources over broadcast channels with ultra low latency
... for broadcast- ing arbitrarily correlated ...studied broadcast channels with confiden- tial sources (BCCS) and without side information [24], which generalizes Han-Costa model to secure situation by ...
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Achievable Rate Regions for Orthogonally Multiplexed MIMO Broadcast Channels with Multi Dimensional Modulation
... of channels whose mutual information is less than any given rate as the transmitter channel knowledge converges to ...MIMO broadcast channels, the achievable rate regions, with and without ...
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Optimal Power Allocation with Channel Inversion Regularization-Based Precoding for MIMO Broadcast Channels
... Instead, the problem of CIR scheme becomes a nonlinear nonconvex optimization problem. To solve globally this nonconvex optimization problem, we can resort to the global difference of convex (d.c.) optimization technique ...
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How Much Feedback Is Required for TDD Multi-Antenna Broadcast Channels with User Selection?
... We studied the problem of determining the optimal amount of feedback/training for the sum rate maximization of the broadcast channel with no initial assumption of CSI. We introduced two transmission strategies for ...
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Performance of Tomlinson Harashima Precoding and Dirty Paper coding for Broadcast Channels in MU MIMO
... The above mentioned broadcast channel techniques are used to remove the interference in the communication system. Dirty Paper Coding is a technique of precoding the data effect the interference can be canceled to ...
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Distributed Power Allocation for Parallel Broadcast Channels with Only Common Information in Cognitive Tactical Radio Networks
... A tactical radio network is a radio network in which a transmitter broadcasts the same information to its receivers. In this paper, dynamic spectrum management is studied for multiple cognitive tactical radio networks ...
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Optimal power policies and throughput scaling analyses in fading cognitive broadcast channels with primary outage probability constraint
... The remainder of this paper is organized as follows. Related previous works are discussed in Section 2. The description of our system model is presented in Section 3. Under the assumption of full channel side information ...
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Reduced feedback for selective fading MIMO broadcast channels
... The rest of the article is organized as following. In Sec- tion 2, we present the channel and the signal model, and we propose a general representation of the selective channel. Then, using this channel representation, ...
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