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相关论文: Achieving Global Optimality for Weighted Sum-Rate …

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This paper considers the joint precoder design problem for multiple-input single-output (MISO) systems with coordinated base stations (BSs). We consider maximization of the total sum rate with per BS antenna power constraint problem. For…

最优化与控制 · 数学 2013-11-26 Tadilo Endeshaw Bogale , Luc Vandendorpe

In a K-user Gaussian interference channel, it has been shown by Geng et al. that if for each user the desired signal strength is no less than the sum of the strengths of the strongest interference from this user and the strongest…

信息论 · 计算机科学 2014-12-09 Chunhua Geng , Syed A. Jafar

The capacity region of the $K$-user Gaussian interference channel (GIC) is a long-standing open problem and even capacity outer bounds are little known in general. A significant progress on degrees-of-freedom (DoF) analysis, a first-order…

信息论 · 计算机科学 2017-01-24 Junyoung Nam

This paper addresses the problem of computing the achievable rates for two (and three) users sharing a same frequency band without coordination and thus interfering with each other. It is thus primarily related to the field of cognitive…

信息论 · 计算机科学 2008-09-19 Abdoulaye Bagayoko , Patrick Tortelier

Non-orthogonal multiple access (NOMA) has received significant attention for future wireless networks. NOMA outperforms orthogonal schemes, such as OFDMA, in terms of spectral efficiency and massive connectivity. The joint subcarrier and…

网络与互联网体系结构 · 计算机科学 2019-10-07 Lou Salaun , Marceau Coupechoux , Chung Shue Chen

Smart and reconfigurable wireless communication environments can be established by exploiting well-designed intelligent reflecting surfaces (IRSs) to shape the communication channels. In this paper, we investigate how multiple IRSs affect…

We consider joint beamforming and stream allocation to maximize the weighted sum rate (WSR) for non-coherent joint transmission (NCJT) in user-centric cell-free MIMO networks, where distributed access points (APs) are organized in clusters…

信号处理 · 电气工程与系统科学 2024-02-29 Xi Wang , Xiaotong Zhao , Juncheng Wang , You Li , Qingjiang Shi

In this paper, we propose a multi-input multi-output beamforming transmit optimization model for joint radar sensing and multi-user communications, where the design of the beamformers is formulated as an optimization problem whose objective…

最优化与控制 · 数学 2023-12-27 Zhiguo Wang , Jiageng Wu , Ya-Feng Liu , Fan Liu

For a multi-user interference channel with multi-antenna transmitters and single-antenna receivers, by restricting each receiver to a single-user detector, computing the largest achievable rate region amounts to solving a family of…

信息论 · 计算机科学 2009-08-24 Xiaohu Shang , Biao Chen , H. Vincent Poor

In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (primary) users provided that their interference to the primary…

信息论 · 计算机科学 2008-04-23 Lan Zhang , Yan Xin , Ying-Chang Liang

We consider the problem of maximizing weighted sum rate in a multiple-input single-output (MISO) downlink wireless network with emphasis on user rate reliability. We introduce a novel risk-aggregated formulation of the complex WSR…

信号处理 · 电气工程与系统科学 2025-10-01 Hassaan Hashmi , Spyridon Pougkakiotis , Dionysis Kalogerias

Traditional seismic acquisition systems suffer from a number of difficulties related to telemetry cables that are used as a means of data transmission. Transforming the traditional seismic acquisition system to a wireless system has been…

信息论 · 计算机科学 2020-12-16 Abdullah Othman , Wessam Mesbah , Naveed Iqbal , Suhail Al-Dharrab , Ali Muqaibel , Gordon Stüber

The aim of this paper is to study the achievable rates for a $K$ user Gaussian interference channels for any SNR using a combination of lattice and algebraic codes. Lattice codes are first used to transform the Gaussian interference channel…

信息论 · 计算机科学 2011-09-27 Amin Jafarian , Sriram Vishwanath

We introduce a unified framework for analyzing utility regions of wireless networks, with a focus on signal-to-interference-plus-noise-ratio (SINR) and achievable rate regions. The framework provides valuable insights into interference…

信号处理 · 电气工程与系统科学 2026-05-07 Renato Luis Garrido Cavalcante , Tomasz Piotrowski , Slawomir Stanczak

This paper investigates the problem of maximizing the signal-to-noise ratio (SNR) in reconfigurable intelligent surface (RIS)-assisted MISO communication systems. The problem will be reformulated as a complex quadratic form problem with…

信号处理 · 电气工程与系统科学 2022-11-23 Xuehui Dong , Rujing Xiong , Tiebin Mi , Yuan Xie , Robert Caiming Qiu

In this paper, a rate-splitting multiple access (RSMA) based joint optimization framework for the space-air-ground integrated network (SAGIN) is proposed, where the satellite and base stations employ uniform planar array (UPA) antennas for…

信号处理 · 电气工程与系统科学 2026-03-31 Jian He , Cong Zhou , Shuo Shi

In this paper, we investigate the downlink multiple-input-multipleoutput (MIMO) broadcast channels in which a base transceiver station (BTS) broadcasts multiple data streams to K MIMO mobile stations (MSs) simultaneously. In order to…

信息论 · 计算机科学 2015-08-06 Tung T. Vu , Ha Hoang Kha , Trung Q. Duong , Nguyen-Son Vo

Successive Interference Cancellation (SIC) is a powerful technique for managing interference in wireless networks, yet its optimal deployment in decentralized environments remains a challenge. This study investigates joint power and rate…

信息论 · 计算机科学 2026-04-15 D. Garrido , M. M. Vasconcelos , B. Peleato

This paper established a novel multi-input multi-output (MIMO) communication network, in the presence of full-duplex (FD) transmitters and receivers with the assistance of dual-side intelligent omni surface. Compared with the traditional…

信息论 · 计算机科学 2024-08-22 Sisai Fang , Gaojie Chen , Chong Huang , Yue Gao , Yonghui Li , Kai-Kit Wong , Jonathon A. Chambers

This paper characterizes the capacity region of Gaussian MIMO broadcast channels (BCs) with per-antenna power constraint (PAPC). While the capacity region of MIMO BCs with a sum power constraint (SPC) was extensively studied, that under…

信息论 · 计算机科学 2017-05-18 Thuy M. Pham , Ronan Farrell , Le-Nam Tran