Results 91 to 100 of about 231,239 (274)
Nonconcave Utility Maximisation in the MIMO Broadcast Channel
EURASIP Journal on Advances in Signal Processing, 2008 The problem of determining an optimal parameter setup at the physical layer in a multiuser, multiantenna downlink is considered. An aggregate utility, which is assumed to depend on the users' rates, is used as performance metric.
Wolfgang Utschick, Johannes Brehmer
doaj +1 more source
PLANTS, PEOPLE, PLANET, EarlyView.Reusing organic waste materials, such as animal manure, as soil amendments reduces water and fertiliser demand, contributing to achieving the Sustainable Development Goals. However, organic wastes may contain contaminants of emerging concern (CECs), posing potential ecosystem and human health risks. Despite the importance of this issue, there is a lack
Felicity C. T. Elder +7 more
wiley +1 more source
On Minimum-Latency Broadcast in Multichannel Duty-Cycled Wireless Sensor Networks
International Journal of Distributed Sensor Networks, 2015 Broadcast has critical significance for wide application of wireless sensor networks (WSNs). Minimum-latency broadcast (MLB) studies how to devise a broadcast schedule, which can achieve minimum broadcast latency with no signal interference.
Xianlong Jiao +3 more
doaj +1 more source
A note on the wideband Gaussian broadcast channel [PDF]
It is well known that for the Gaussian broadcast channel, timeshared coding is not as efficient as more sophisticated broadcast coding strategies. However, the relative advantage of broadcast coding over timeshared coding is shown to be small if the ...
Mceliece, R. J. +2 more
core +1 more source
Optimal Schedules for Asynchronous Transmission of Discrete Packets [PDF]
, 2004 In this paper we study the distribution of dynamic data over a broadcast channel to a large number of passive clients. Clients obtain the information by accessing the channel and listening for the next available packet.
Bruck, Jehoshua +2 more
core
Journal of Field Robotics, EarlyView.ABSTRACT Personal autonomous vehicles can sense their surrounding environment, plan their route, and drive with little or no involvement of human drivers. Despite the latest technological advancements and the hopeful announcements made by leading entrepreneurs, to date no personal vehicle is approved for road circulation in a “fully” or “semi ...
Xingshuai Dong +13 more
wiley +1 more source
On the Delay-Energy Tradeoff in Multiuser Fading Channels
EURASIP Journal on Wireless Communications and Networking, 2009 We consider the delay-energy tradeoff on a fading channel with multiuser diversity. For fixed arbitrary rates of the users, the total transmitted energy is minimized subject to a delay constraint. To achieve this goal we propose a scheme which schedules
Chaporkar Prasanna +2 more
doaj +2 more sources
Stable Transmission in the Time-Varying MIMO Broadcast Channel
EURASIP Journal on Advances in Signal Processing, 2008 Both linear and nonlinear transmit precoding strategies based on accurate channel state information (CSI) can significantly increase available throughput in a multiuser wireless system.
Michael A. Jensen +2 more
doaj +1 more source
Sum Capacity for Single-Cell Multi-User Systems with M-Ary Inputs
Entropy, 2017 This paper investigates the sum capacity of a single-cell multi-user system under the constraint that the transmitted signal is adopted from M-ary two-dimensional constellation with equal probability for both uplink, i.e., multiple access channel (MAC ...
Pei Yang +3 more
doaj +1 more source
Strong Secrecy for Cooperative Broadcast Channels
IEEE Transactions on Information Theory, 2017 International Zurich Seminar on Communications ...
Ziv Goldfeld +3 more
openaire +3 more sources