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sum-rate maximization

Sum rate maximization via joint scheduling and link adaptation for interference coupled wireless systems

Sum rate maximization via joint scheduling and link adaptation for interference coupled wireless systems

... the sum rate maximization problem as an eigenvalue opti- mization ...acceptable sum rate and outage figures, in each iteration it requires the computation of the eigenvalues that ...

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Improved and weighted sum rate maximization for successive zero forcing in multiuser MIMO systems

Improved and weighted sum rate maximization for successive zero forcing in multiuser MIMO systems

... for sum-rate ...pure sum-rate maximization can result in throughput starvation for users in poorer channel ...weighted sum- rate maximization is the proportional ...

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Sum rate maximization and robust beamforming design for MIMO two way relay networks with reciprocal and imperfect CSI

Sum rate maximization and robust beamforming design for MIMO two way relay networks with reciprocal and imperfect CSI

... Recently, cooperative multi-input multi-output (MIMO) relaying system approach is popularized to increase the system capacity and improve the transmission reliabil- ity by leveraging spatial diversity. The MIMO relay ...

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Weighted sum rate maximization for multi user SIMO multiple access channels in cognitive radio networks

Weighted sum rate maximization for multi user SIMO multiple access channels in cognitive radio networks

... the sum-rate maximization prob- lem has been intensively explored for both Gaussian broadcast channel (BC) [9,10] and Gaussian MAC ...the sum-power constrained Gaussian dual MAC [13-15] ...

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Distributed weighted sum rate maximization with multi cell uplink downlink throughput duality

Distributed weighted sum rate maximization with multi cell uplink downlink throughput duality

... The weighted sum-rate maximization (WSRMax) problem is important for the radio resource allocation in wireless networks. In this paper, we focus on solving the WSRMax optimization problem in a Home ...

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Primal Decomposition Based Method for Weighted Sum Rate Maximization in Downlink OFDMA Systems

Primal Decomposition Based Method for Weighted Sum Rate Maximization in Downlink OFDMA Systems

... Two main radio resource allocation (RRA) problems have been addressed in the literature. The first ones, consist of maximizing an increasing function of the user rates [5–13] subject to di ff erent power constraints, ...

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SUM RATE MAXIMIZATION BY BEAMFORMING OVER COGNITIVE RADIO NETWORK

SUM RATE MAXIMIZATION BY BEAMFORMING OVER COGNITIVE RADIO NETWORK

... of Sum rate and signal to noise ratio ...the Sum rate for the primary and the secondary ...the sum-rate of the cognitive radio ...

7

Weighted Sum Rate Maximization in OFDM Based Cooperative Cognitive Radios: A Joint Optimization Approach

Weighted Sum Rate Maximization in OFDM Based Cooperative Cognitive Radios: A Joint Optimization Approach

... set, a joint subcarrier pairing and power allocation is proposed for SU to maximize its WSR. The problem is transformed to a convex optimization problem using continuous relaxation method, and solved in the dual domain. ...

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Distributed algorithms for sum rate maximization in multi cell downlink OFDMA with opportunistic DF relaying

Distributed algorithms for sum rate maximization in multi cell downlink OFDMA with opportunistic DF relaying

... In this section, we mimic the idea of the IWF algorithm and formulate a competitive game defining each cell as a player, which optimizes its own utility function (mean- ing the sum rate of this cell) given ...

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Sum rate maximization for multi cell downlink OFDMA with subcarrier pair based opportunistic DF relaying

Sum rate maximization for multi cell downlink OFDMA with subcarrier pair based opportunistic DF relaying

... Considering the CCI, the models for multi-cell DF relay- aided OFDMA systems become much more interesting and challenging than those for single-cell DF relay-aided OFDMA systems. For RA problems in such multi-cell ...

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Enhanced beamforming design and sum rate maximization for two way multi relay networks

Enhanced beamforming design and sum rate maximization for two way multi relay networks

... Relay precoder design methods have been investigated in [7–10]. In [7], the authors considered multi-user two- way relay networks (TWRN) with distributed single- antenna relays, where two approaches are considered, i.e., ...

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A new wireless base pit inclinometer based on NB-IoT

A new wireless base pit inclinometer based on NB-IoT

... In this paper, we formulate the uplink MIMO-SCMA system model with joint factor graph representation [5-6]. Further more, we formulate the sum-rate maximization problem and min-rate ...

7

Maximum Achievable Sum Rate in Highly Dynamic Licensed Shared Access

Maximum Achievable Sum Rate in Highly Dynamic Licensed Shared Access

... the sum spectral efficiency of the licensee in a dynamic Licensed Shared Access (LSA) ...the sum spectrum efficiency subject to the interference threshold constraint at the licensee, we then show its ...

5

2012 ew fan sum-rate max

2012 ew fan sum-rate max

... loose sum- rate upper ...address sum-rate maximization of the multi-antenna AF CDR system, although it is ...the sum-rate gain from the multiple-antenna relay beamforming ...

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Virtual Small Cell Selection Schemes Based on Sum Rate Analysis in Ultra-Dense Network

Virtual Small Cell Selection Schemes Based on Sum Rate Analysis in Ultra-Dense Network

... the sum-rate maximization, and they develop a new formulation of the beamforming problem for sum-rate maximization in VSC and analyze the structure of its optimal ...

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Throughput Maximization under Rate Requirements for the OFDMA Downlink Channel with Limited Feedback

Throughput Maximization under Rate Requirements for the OFDMA Downlink Channel with Limited Feedback

... The purpose of this paper is to show the potential of UMTS long-term evolution using OFDM modulation by adopting a com- bined perspective on feedback channel design and resource allocation for OFDMA multiuser downlink ...

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Throughput-Optimal Scheduling with Low Average Delay for Cellular Broadcast Systems

Throughput-Optimal Scheduling with Low Average Delay for Cellular Broadcast Systems

... weighted sum rate maximization problem, where the characteristics of the scheduling policy is deter- mined by the choice of weight factors in the maximization problem classifying all ...

11

Sum Rate Optimization by Spatial Precoding for a Multiuser MIMO DFT-Precoded OFDM Uplink

Sum Rate Optimization by Spatial Precoding for a Multiuser MIMO DFT-Precoded OFDM Uplink

... system sum rate in a MIMO SC- FDMA ...weighted sum rate maximization is also incorporated in the algorithm and its achievable rate region is presented and potential gains are ...

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Two Step Resource Block Allocation Algorithm for Data Rate Maximization in LTE Downlink Systems

Two Step Resource Block Allocation Algorithm for Data Rate Maximization in LTE Downlink Systems

... data rate requirements are not taken into consideration in this allocation ...data rate maximi- zation is proposed in [7-9], the algorithm in reference [7] allocates AUs to the users according to their ...

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DF based sum rate optimization for multicarrier multiple access relay channel

DF based sum rate optimization for multicarrier multiple access relay channel

... We consider a system that consists of two sources, a half-duplex relay and a destination. The sources want to transmit their messages reliably to the destination with the help of the relay. We study and analyze the ...

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