Multiuser MIMO wireless communications optimal and efficient schemes for rate maximization and power minimization

... Efficient Power Minimization for MIMO Broadcast Channels 4.1 52 Power Minimization Without Subchannel Selection 54 4.1.1 Channel Model 55 4.1.2 Power Minimization for ... implication for multiuser MIMO wireless communications because optimal transceiver schemes can be designed to attain the channel capacity, given the channel state and the transmit power con...

Ngày tải lên: 11/09/2015, 16:06

... reflected off the ionosphere and can thus travel over very large distances Wireless Communications Principles and Fundamentals Figure 2.3 29 The various radio bands and their common use Although ... into account industry and consumer needs as well as social issues Almost any inter- Wireless Communications Principles and Fundamentals 31 ested member (e.g scientists an...

Ngày tải lên: 29/09/2013, 21:20

... managing handoff requests Some systems handle handoff requests in the same way they handle originating calls In such systems, the probability that a handoff request will not be served by a new ... intersystem handoff Chapter 10 demonstrates how intersystem handoffs are implemented in practice Prioritizing Handoffs w M 3.4.1 ed ia st ar Different systems have different policies and metho...

Ngày tải lên: 21/01/2016, 12:41

... power consumption and costs of the conventional MIMO approaches [1] limit applications for ubiquitous networks A low-power and low-cost RF-MIMO (MIMAX) system for maximum reliability and performance ... possible to perform all relevant control and configuration commands for every station The baseband board was used for the real-time tests of the MIMAX baseband processor...

Ngày tải lên: 18/06/2014, 22:20

... broadcast channels,” IEEE Transactions on Information Theory, vol 54, no 3, pp 1086–1107, 2008 ´ [26] M Eslami and W A Krzymien, “Scheduling for MIMO broadcast channels with linear receivers and partial ... Based on (12) and (15), the optimum L value depends on M, N, ρ and K For a system with specific number of Tx and Rx antennas, L can be evaluated for different val...

Ngày tải lên: 21/06/2014, 17:20

... suitable for multimedia services To address this disadvantage, we propose an optimal and fair policy for multimedia resource allocation, which introduces a judicious mixture of competition and cooperation, ... paper, we have presented an optimal and fair coopetition strategy for multiuser multimedia RRA Following contributions and conclusions have been made a...

Ngày tải lên: 21/06/2014, 22:20

... Decentralized estimation over orthogonal multipleaccess fading channels in wireless sensor networks— optimal and suboptimal estimators Xin Wang∗1 and Chenyang Yang1 School of Electronics and ... Abstract We study optimal and suboptimal decentralized estimators in wireless sensor networks over orthogonal multipleaccess fading channels in this...

Ngày tải lên: 18/06/2014, 22:20

... Recent Advances in Wireless Communications and Networks Edited by Jia-Chin Lin Published by InTech Janeza Trdine 9, 510 00 Rijeka, Croatia Copyright © 2 011 InTech All chapters ... Relaying 211 Majid Nasiri Khormuji and Mikael Skoglund Chapter 11 Connectivity Support in Heterogeneous Wireless Networks 2 21 Anna Maria Vegni and Roberto Cusani Chapter 12 On the Use of...

Ngày tải lên: 19/06/2014, 19:20

... IET Commun., Vol.3, Iss. 12, (December 20 09), pp 1907-1918 22 Recent Advances in Wireless Communications and Networks Mueller, K H and Muller, M (1976) Timing Recovery in Digital Synchronous Data ... 32 Recent Advances in Wireless Communications and Networks { ′ θˆp = arg max λ1 (θ ) θ } (17) In addition, several techniques for combining multiple frames h...

Ngày tải lên: 19/06/2014, 19:20

... of combining schemes, including selection combining, switch combining, EGC, and MRC, in the following 2.1.1 Selection combining Selection combining is a simple receive diversity combining scheme ... diagram of selection combining scheme Fig Block diagram of switch combining scheme 62 Recent Advances in Wireless Communications and Networks 2.1 .3 Maximum ratio combining Fig...

Ngày tải lên: 19/06/2014, 19:20

... Recent Advances in Wireless Communications and Networks 4. 1 Linear array and signal model Fig 16 depicts a linear array with L omni-directional and equi-spaced antennas, and the antenna spacing ... famous beamforming schemes to determine the complex beamforming weights 88 Recent Advances in Wireless Communications and Networks 4. 2 Conventional beamformin...

Ngày tải lên: 19/06/2014, 19:20

... multiplexing in fading channels, IEEE Trans Commun 50 : 1266–1273 116 22 Recent Advances in Wireless Communications and Networks Will-be-set-by -IN- TECH Meyer, C (2000) Matrix analysis and applied linear ... state and sends this information (CSI: Channel state information) to the resource allocator, usually via a 120 Recent Advances in Wireless Communications...

Ngày tải lên: 19/06/2014, 19:20

... averaging in time and accounting for diversity and suppressing noise in spatial 150 12 Recent Advances in Wireless Communications and Networks Will-be-set-by -IN- TECH diversity brunches Depending on amount ... cooperative spectrum sensing in cognitive radio networks, 59(8): 4079 – 4092  164 26 Recent Advances in Wireless Communications and Networks Wi...

Ngày tải lên: 19/06/2014, 19:20