Advances in resource allocation optimization for multiuser wireless systems with joint energy and information transfer

... ADVANCES IN RESOURCE ALLOCATION OPTIMIZATION FOR MULTIUSER WIRELESS SYSTEMS WITH JOINT ENERGY AND INFORMATION TRANSFER LIU LIANG (B Eng Tianjin University) A THESIS SUBMITTED FOR THE ... trade-oﬀ for the information and energy scheduling over Chapter Introduction Information Receiver 1 Energy Receiver Figure 1.4: Point-to-point SWIPT with co-channel interference diﬀerent fading states ... problems in wireless communication system or SWIPT system: WSR maximization in GIC, joint wireless information and energy scheduling in point-to-point fading channel subject to co-channel interference,...

Báo cáo hóa học: "Research Article Efﬁcient Transmission Schemes for Multiuser MIMO Downlink with Linear Receivers and Partial Channel State Information" potx

... 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 values of ρ and K beforehand and stored ... to multiuser MIMO techniques using TBM (modified PU2 RC), ZFBF with CVQ, and TDM with eigenmmode transmission for M = Tx and N = Rx antennas at 10 dB SNR bit/s/Hz advantage over TBM and ZF-BF with...

Báo cáo hóa học: " Relay Techniques for MIMO Wireless Networks with Multiple Source and Destination Pairs" potx

... comprising a source node with LM transmit antennas, a relay node with KN antennas, and a destination node with LM antennas In this case, the power constraints at the source and relay are LP and KP, ... k (3) MIMO RELAY TECHNIQUES In this paper, we assume that each relay node knows the CSI of its own backward and forward channels However, we not allow source nodes, relay nodes, and destination ... interests cover the wireless network systems, relay networks, multiple- input and multiple- output (MIMO) transmission, and information theory issues He is a Member of IEEE and IEICE Takahiro Asai...

Báo cáo hóa học: " Flexible Transmission Scheme for 4G Wireless Systems with Multiple Antennas" potx

... the performance of the MMSE multiuser joint detector is slightly decreasing for an increasing number of users and converges to the one of the Flexible Transmission Scheme for 4G Wireless Systems ... retransmission of the erroneous packets until they are correctly Flexible Transmission Scheme for 4G Wireless Systems Goodput (Mbps) received The information bandwidth is spread by the spreading factor ... SINGLE-ANTENNA GENERIC TRANSMISSION SCHEME The transmission scheme for the mth user (m = 1, , M) is depicted in Figure Since we focus on a single-user transmission, the transmission scheme applies...

Báo cáo hóa học: " BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information" pot

... doi:10.1186/1687-6180-2011-104 Cite this article as: Zhou et al.: BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information EURASIP Journal on Advances in Signal Processing ... symbol for different downlink data symbol nk M Number of antennas of each user Number of antennas of BS K Number of user N Number of antennas of all users gs (dB) 0-30 Pre-processing data SNR ... as the number of user increases, so the BER becomes more and more big Conclusion In this article, we have investigated the BER of TDD downlink MU -MIMO ZF systems in the presence of imperfect...

Báo cáo hóa học: " Research Article Optimal and Fair Resource Allocation for Multiuser Wireless Multimedia Transmissions" ppt

... 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 and drawn (1) We formulate the co-opetition ... essential of competition and cooperation behaviors of users in RRA We apply our strategy to wireless resource allocation for multiuser video transmissions and evaluate its performance by comparing...

báo cáo hóa học:" The Global Fund’s resource allocation decisions for HIV programmes: addressing those in need" pptx

... role in the distribution of the Global Fund’s resources These are the areas that should be further explored to ensure an evidence- and performance-based resource allocation for HIV control in the ... scale up during the reporting period, displaying the highest increases in Rounds and Allocation of the Global Fund-approved HIV funding by spending categories In 2002-2010, most of the funds were ... Discussion The Global Fund’s guiding principles target investments in line with need for HIV, tuberculosis and malaria, and enable allocation of funding based on country demand The key HIV funding provided...

Báo cáo toán học: " Reconfigurable parasitic antennas for compact mobile terminals in multiuser wireless systems" pot

... the increased training overhead is evident in the system performance 3.3 Receiver beamforming in Rician channels In order to evaluate the potential gains of using ESPAR antennas on mobile terminals ... at the receiving terminal are examined both in opportunistic beamforming and in MIMO broadcast channel MU systems, optimizing correspondingly the SNR or the SINR of the forward link Introduction ... slot, and for time invariant channels within this slot, the user with the highest channel gain is selected Therefore, using ESPAR antennas on mobile terminals would result in the same performance...

Báo cáo hóa học: " Research Article Adaptive Cross-Layer Distributed Energy-Efﬁcient Resource Allocation Algorithms for Wireless Data Networks" doc

... performance improvements both in terms of larger energy eﬃciency and of smaller transmit power Conclusions In this paper, the problem of adaptive cross-layer resource allocation in wireless data ... implementations of several resource allocation algorithms Indeed, our results show that these algorithms converge to a neighborhood of the Nash equilibrium (NE) point of the corresponding nonadaptive games ... spreading codes is also considered For the former case, some analytical considerations on the convergence properties of the proposed adaptive algorithms are also given For the latter case, instead,...

Báo cáo hóa học: " Adaptive Downlink Resource Allocation Strategies for Real-Time Data Services in OFDM Cellular Systems" ppt

... performance of the two schemes (using the algorithms in Section 5) is evaluated for real-time data services in diﬀerent shadowing environments RESOURCE ALLOCATION IN OFDM SYSTEMS The aim of resource ... used for power minimization PERFORMANCE OF REAL-TIME DATA SERVICES IN FREQUENCY SELECTIVE FADING AND DIFFERENT SHADOWING ENVIRONMENTS For performance evaluation of data services, we simulate a cellular ... emphasis on resource allocation and interference mitigation in OFDM cellular systems Tho Le-Ngoc obtained his B.Eng degree (with distinction) in electrical engineering in 1976, his M.Eng degree in microprocessor...

Báo cáo hóa học: " A cross-layer resource allocation scheme for spatial multiplexing-based MIMO-OFDMA systems" docx

... receive antennas At the base station, a maximum total transmission power of P max watts and S subchannels are available for transmission Assuming that the total power available for subchannel s ... doi:10.1186/1687-1499-2011-67 Cite this article as: Akbudak et al.: A cross-layer resource allocation scheme for spatial multiplexing-based MIMO-OFDMA systems EURASIP Journal on Wireless Communications and Networking ... infinity A. 2 Real-time applications Compared to best-effort applications, real-time applications, e.g., voice and video applications, are rather delaysensitive and thus considered as delay/rate-adaptive...

Báo cáo hóa học: " Research Article Resource Allocation in MU-OFDM Cognitive Radio Systems with Partial Channel State Information" potx

... for multiuser OFDM cognitive radio systems, ” in Proceedings of the 2nd International Conference on Communications and Networking in China (ChinaCom ’07), pp 115–119, Shanghai, China, August 2007 ... Networking Resource Allocation with Partial Csi Note that the joint subcarrier, bit, and power allocation problem in (10)–(17) belongs to the mixed integer nonlinear programming (MINP) class [23] ... in Section and the main ﬁndings are summarized in Section System Model We consider the problem of allocating resources on the downlink of an MU-OFDM CR system with one base station (BS) serving...

Báo cáo hóa học: " Research Article Analysis of the Tradeoff between Delay and Source Rate in Multiuser Wireless Systems" docx

... is the target delay and ε is the probability of exceeding it On the other hand, in multiuser communications the capacity of the channel is no longer fully characterized by a single number Instead, ... , is obtained as the sum of the individual user rates, each of them with its own delay constraint: U CDt , = u=1 Ru t ,ε , D (22) with Dt and being the vectors with the target delays and probabilities ... expressions of the achievable users’ rates in a wireless system under the conditions stated by the MAC layer: a selected scheduling discipline and a QoS constraint given in terms of a delay constraint and...

Báo cáo hóa học: "Research Article Achievable Rates and Resource Allocation Strategies for Imperfectly Known Fading Relay Channels" doc

... framework, and mean-square errors and bit error rates, rather than the achievable rates, are considered as performance metrics To the best of our knowledge, performance analysis and resource allocation ... identify resource allocation strategies that maximize these rates We consider three resource allocation problems: (1) power allocation between training and data symbols, (2) time/bandwidth allocation ... to span many fading realizations (2) We identify resource allocation strategies that maximize the achievable rates We consider three types of resource allocation problems: (a) power allocation...

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