Výsledky vyhľadávania - "low‐complexity suboptimal algorithms"

Quadrature spatial media-based modulation with RF mirrors Autor Pillay, Narushan, Xu, HongJun

“…The use of radio frequency (RF) mirrors to improve spectral efficiency is a recently introduced technique. The authors investigate its application to single RF…”
Získať plný text

Covert Transmission Assisted by Intelligent Reflecting Surface Autor Si, Jiangbo, Li, Zan, Zhao, Yan, Cheng, Julian, Guan, Lei, Shi, Jia, Al-Dhahir, Naofal

“…Covert transmission is studied for an intelligent reflecting surface (IRS) aided communication system, where Alice aims to transmit messages to Bob without…”
Získať plný text

Joint Deployment and Multiple Access Design for Intelligent Reflecting Surface Assisted Networks Autor Mu, Xidong, Liu, Yuanwei, Guo, Li, Lin, Jiaru, Schober, Robert

“…The fundamental intelligent reflecting surface (IRS) deployment problem is investigated for IRS-assisted networks, where one IRS is arranged to be deployed in…”
Získať plný text

A low-complexity suboptimal algorithm for joint subcarrier assignment in downlink OFDMA system Autor Yadav, Satyendra Singh, Lopes, Paulo A C, Patra, Sarat Kumar

“…Multiuser orthogonal frequency division multiple access (MU-OFDMA) technique has attracted much attention for broadband wireless access in future generation…”
Získať plný text

Cooperative jamming polar codes for multiple-access wiretap channels Autor Hajimomeni, Mona, Aghaeinia, Hassan, Kim, Il-Min, Kim, Kwihoon

“…The authors study cooperative security in the physical layer of wireless systems based on the recently developed polar codes for multiple access channel (MAC)…”
Získať plný text

Energy-Efficient Subcarrier Assignment and Power Allocation in OFDMA Systems With Max-Min Fairness Guarantees Autor Li, Yuzhou, Sheng, Min, Tan, Chee Wei, Zhang, Yan, Sun, Yuhua, Wang, Xijun, Shi, Yan, Li, Jiandong

“… Due to the nonsmooth and mixed combinatorial features of the formulation, we focus on low-complexity suboptimal algorithms design…”
Získať plný text

Globally Optimal Movable Antenna-Enabled Multiuser Communication: Discrete Antenna Positioning, Power Consumption, and Imperfect CSI Autor Wu, Yifei, Xu, Dongfang, Wing Kwan Ng, Derrick, Gerstacker, Wolfgang, Schober, Robert

“…Movable antennas (MAs) represent a promising paradigm to enhance the spatial degrees of freedom of conventional multi-antenna systems by dynamically adapting…”
Získať plný text

Globally Optimal Resource Allocation Design for Discrete Phase Shift IRS-Assisted Multiuser Networks With Perfect and Imperfect CSI Autor Wu, Yifei, Xu, Dongfang, Ng, Derrick Wing Kwan, Schober, Robert, Gerstacker, Wolfgang

“…Intelligent reflecting surfaces (IRSs) are a promising low-cost solution for achieving high spectral and energy efficiency in future communication systems by…”
Získať plný text

Jamming-Assisted Legitimate Surveillance of Suspicious Interference Networks With Successive Interference Cancellation Autor Xu, Ding

“… By exploring the particular problem structure, high-complexity optimal and low-complexity suboptimal algorithms are proposed…”
Získať plný text

Energy-Efficient Parallel Multi-Access Edge Computing in OFDMA Wireless Networks Autor Pu, Xumin, Feng, Wenting, Wen, Wanli, Chen, Qianbin

“…We study a parallel multi-access edge computing (MEC) system in this work and investigate its energy-efficient resources management. Particularly, the MEC…”
Získať plný text

Delay-Guaranteed Cross-Layer Scheduling in Multihop Wireless Networks Autor Dongyue Xue, Ekici, Eylem

“… Moreover, we discuss the design of a class of low-complexity suboptimal algorithms, effects of delayed feedback on the optimal algorithm, and extensions of the proposed algorithm to different…”
Získať plný text

A Multidimensional Resource-Allocation Optimization Algorithm for the Network-Coding-Based Multiple-Access Relay Channels in OFDM Systems Autor Han, Bin, Peng, Mugen, Zhao, Zhongyuan, Wang, Wenbo

“… The problem is solved in polynomial time by optimizing three separate subproblems. To further reduce the complexity, three low-complexity suboptimal algorithms are then proposed when fixing partial resource…”
Získať plný text

Joint Distributed Beamforming and Power Allocation in Underlay Cognitive Two-Way Relay Links Using Second-Order Channel Statistics Autor Yun Cao, Tellambura, Chintha

“…Cognitive underlay amplify-and-forward (AF) two-way relay links require signal-to-interference-and-noise-ratio (SINR) balancing and maximizing strategies. And…”
Získať plný text

Power Consumption-Oriented Resource Allocation Strategy for Ultra-Reliable Low-Latency Communication Autor Xie, Yuncong, Ren, Pinyi, Wang, Yichen, Li, Jiuchao

“… Moreover, two low-complexity suboptimal algorithms, namely BCCG and SSG…”
Získať plný text

Energy efficiency of resource scheduling for non-orthogonal multiple access (NOMA) wireless network Autor Fang Fang, Haijun Zhang, Julian Cheng, Leung, Victor C. M.

“… Assuming perfect knowledge of the channel state information at base station, we propose low-complexity suboptimal algorithms which include subchannel assignment and power allocation for subchannel…”
Získať plný text

Resource allocation in a K-user wireless broadcast system with N-layer superposition coding Autor Xuan Wang, Lin Cai

“… Two low-complexity suboptimal algorithms are proposed. The simulation results show that the SPC gain highly depends on the variability of the channel and the SNR range of users…”
Získať plný text

Low complexity user pairing and resource allocation of heterogeneous users for uplink virtual MIMO system over LTE-A network Autor Biswas, Jayeta, Wei Ni, Ren Ping Liu, Collings, Iain B., Jha, Sanjay K.

“… To tackle the complexity challenge, we propose two low-complexity suboptimal algorithms, where the key idea is to reduce the search space and iteratively minimize the rate loss respectively…”
Získať plný text

Joint Deployment and Multiple Access Design for Intelligent Reflecting Surface Assisted Networks Autor Mu, Xidong, Liu, Yuanwei, Guo, Li, Lin, Jiaru, Schober, Robert

“…The fundamental intelligent reflecting surface (IRS) deployment problem is investigated for IRS-assisted networks, where one IRS is arranged to be deployed in…”
Získať plný text

Resource allocation for minimal downlink delay in two-way OFDM relaying with network coding Autor Ke Xiong, Pingyi Fan, Ben Letaief, Khaled, Su Yi, Ming Lei

“… Since the explicit solution to this optimization problem is hard to obtain and with extremely high computation complexity even for numerical solution, we propose low-complexity suboptimal algorithms…”
Získať plný text

Globally Optimal Resource Allocation Design for Discrete Phase Shift IRS-Assisted Multiuser Networks with Perfect and Imperfect CSI Autor Wu, Yifei, Xu, Dongfang, Kwan Ng, Derrick Wing, Schober, Robert, Gerstacker, Wolfgang

“…Intelligent reflecting surfaces (IRSs) are a promising low-cost solution for achieving high spectral and energy efficiency in future communication systems by…”
Získať plný text