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This paper studies the detection performance of a multiple-input-multiple-output (MIMO) multifunction radio frequency (MFRF) system, which simultaneously supports radar, communication, and jamming. We show that the detection performance of…

信息论 · 计算机科学 2022-08-29 Bo Tang , Petre Stoica

In this paper, we study the information theoretic performance of the modified time-reversal maximum ratio combining (TR-MRC) receiver (presented in [9]) with the spatially averaged periodogram-based carrier frequency offset (CFO) estimator…

信息论 · 计算机科学 2016-11-16 Sudarshan Mukherjee , Saif Khan Mohammed

This paper considers several linear beamformer design paradigms for multiuser time-invariant multiple-input multiple-output interference channels. Notably, interference alignment and sum-rate based algorithms such as the maximum…

信息论 · 计算机科学 2010-11-30 Juho Park , Youngchul Sung , H. Vincent Poor

In this paper, we consider a dual-hop Multiple Input Multiple Output (MIMO) relay wireless network, in which a source-destination pair both equipped with multiple antennas communicates through a large number of half-duplex…

网络与互联网体系结构 · 计算机科学 2013-02-07 Yu Zhang , Hanwen Luo , Wen Chen

We consider the uplink of massive multipleinput multiple-output systems in a multicell environment. Since the base station (BS) estimates the channel state information (CSI) using the pilot signals transmitted from the users, each BS will…

信息论 · 计算机科学 2016-06-13 Van-Dinh Nguyen , Oh-Soon Shin

Future communication systems employing massive multiple input multiple output will not have the ability to use channel state information at the mobile user terminals. Instead, it will be necessary for such devices to evaluate the downlink…

信号处理 · 电气工程与系统科学 2018-09-24 Tim Brown , David Humphreys , Martin Hudlicka , Tian Hong Loh

This letter investigates the reconfigurable intelligent surface (RIS)-aided massive multiple-input multiple-output (MIMO) systems with a two-timescale design. First, the zero-forcing (ZF) detector is applied at the base station (BS) based…

信息论 · 计算机科学 2021-11-18 Kangda Zhi , Cunhua Pan , Hong Ren , Kezhi Wang

In this paper, we give a unified performance analysis of interference alignment (IA) over MIMO interference channels. Rather than the asymptotic characterization, i.e. degree of freedom (DOF) at high signal-to-noise ratio (SNR), we focus on…

信息论 · 计算机科学 2016-11-17 Xiaoming Chen , Chau Yuen

A fine-grained analysis of network performance is crucial for system design. In this paper, we focus on the meta distribution of the signal-to-interference-plus-noise-ratio (SINR) in the mmWave heterogeneous networks where the base stations…

信息论 · 计算机科学 2022-01-20 Le Yang , Fu-Chun Zheng , Shi Jin

This paper conceives a hybrid beamforming design (HBF) that maximizes the energy efficiency (EE) of an integrated sensing and communication (ISAC)-enabled millimeter wave (mmWave) multiple-input multiple-output (MIMO) system. In the system…

信号处理 · 电气工程与系统科学 2024-06-07 Jitendra Singh , Suraj Srivastava , Aditya K. Jagannatham

This paper studies the carrier-to-interference ratio (CIR) and carrier-to-interference-plus-noise ratio (CINR) performance at the mobile station (MS) within a multi-tier network composed of M tiers of wireless networks, with each tier…

信息论 · 计算机科学 2016-11-18 Prasanna Madhusudhanan , Juan G. Restrepo , Youjian , Liu , Timothy X Brown , Kenneth R. Baker

We study physical layer multicasting in multicell networks where each base station, equipped with multiple antennas, transmits a common message using a single beamformer to multiple users in the same cell. We investigate two coordinated…

信息论 · 计算机科学 2012-10-23 Zhengzheng Xiang , Meixia Tao , Xiaodong Wang

In this paper, we study the problem of joint active and passive beamforming for intelligent reflecting surface (IRS)-assisted massive MIMO systems, where multiple IRSs equipped with a large number of passive elements are deployed to assist…

信息论 · 计算机科学 2019-12-03 Xingjian Li , Jun Fang , Feifei Gao , Hongbin Li

The premise of massive multiple-input multiple-output (MIMO) is based around coherent transmission and detection. Majority of the vast literature on massive MIMO presents performance evaluations over simplified statistical propagation…

信息论 · 计算机科学 2020-03-04 Harsh Tataria , Fredrik Tufvesson

This paper investigates the two-timescale transmission design for reconfigurable intelligent surface (RIS)-aided massive multiple-input multiple-output (MIMO) systems, where the beamforming at the base station (BS) is adapted to the…

In this paper, we investigate the movable antennas (MAs)-enabled multiple-input-single-output (MISO) systems, where the base station (BS) equipped with multiple MAs serves multiple single-antenna user. The delay-sensitive scenario is…

信息论 · 计算机科学 2025-10-20 Guojie Hu , Qingqing Wu , Ming-Min Zhao , Wen Chen , Zhenyu Xiao , Kui Xu , Jiangbo Si

Interference alignment (IA), given uncorrelated channel components and perfect channel state information, obtains the maximum degrees of freedom in an interference channel. Little is known, however, about how the sum rate of IA behaves at…

信息论 · 计算机科学 2012-07-19 Behrang Nosrat-Makouei , Jeffrey G. Andrews , Robert W. Heath

The application of intelligent reflecting surface (IRS) depends on the knowledge of channel state information (CSI), and has been hindered by the heavy overhead of channel training, estimation, and feedback in fast-changing channels. This…

信息论 · 计算机科学 2022-06-16 Yashuai Cao , Tiejun Lv , Wei Ni

In this letter, we consider hybrid beamforming for millimeter wave (mmWave) MIMO integrated sensing and communications (ISAC). We design the transmit beam of a dual-functional radar-communication (DFRC) base station (BS), aiming at…

信号处理 · 电气工程与系统科学 2022-03-15 Chenhao Qi , Wei Ci , Jinming Zhang , Xiaohu You

The SINR (signal to interference plus noise ratio) is a key factor for wireless networks analysis. Indeed, the SINR distribution allows the derivation of performance and quality of service (QoS) evaluation. Moreover, it also enables the…

网络与互联网体系结构 · 计算机科学 2014-11-20 Jean-Marc Kelif , Stephane Senecal , Marceau Coupechoux , Constant Bridon