中文
相关论文

相关论文: On Cooperation and Interference in the Weak Interf…

200 篇论文

This paper investigates the benefits of cooperation and proposes a relay activation strategy for a large wireless network with multiple transmitters. In this framework, some nodes cooperate with a nearby node that acts as a relay, using the…

信息论 · 计算机科学 2016-11-17 Andrés Altieri , Leonardo Rey Vega , Pablo Piantanida , Cecilia Galarza

A Han-Kobayashi based achievable scheme is presented for ergodic fading two-user Gaussian interference channels (IFCs) with perfect channel state information at all nodes and Gaussian codebooks with no time-sharing. Using max-min…

信息论 · 计算机科学 2010-01-19 Lalitha Sankar , Elza Erkip , H. Vincent Poor

This paper studies the value of limited rate cooperation between the transmitters for managing interference and simultaneously ensuring secrecy, in the 2-user Gaussian symmetric interference channel (GSIC). First, the problem is studied in…

信息论 · 计算机科学 2016-06-14 Parthajit Mohapatra , Chandra R. Murthy

In a K-user Gaussian interference channel, it has been shown 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 interference to this user…

信息论 · 计算机科学 2014-01-14 Chunhua Geng , Hua Sun , Syed A. Jafar

Multi-user Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Output Multiple Output (MIMO) have been widely adopted to enhance the system throughput and combat the detrimental effects of wireless channels. Recently,…

信息论 · 计算机科学 2015-02-18 Yi Xu , Shiwen Mao , Xin Su

An interference regime enforcing rate maximization scheme is proposed to maximize the achievable ergodic sum-rate of the parallel Gaussian interference channels by enforcing very strong interference at receivers through power allocation…

信息论 · 计算机科学 2019-01-15 Tugba Erpek , Sennur Ulukus , Yalin E. Sagduyu

This paper introduces a wireless communication protocol for industrial control systems that uses channel quality awareness to dynamically create network-device cooperation and assist the nodes in momentary poor channel conditions. To that…

信息论 · 计算机科学 2020-10-26 Saeed R. Khosravirad , Harish Viswanathan , Wei Yu

A general class of wireless relay networks with a single source-destination pair is considered. Intermediate nodes in the network employ an amplify-and-forward scheme to relay their input signals. In this case the overall input-output…

信息论 · 计算机科学 2011-06-02 Samar Agnihotri , Sidharth Jaggi , Minghua Chen

Presence of multiple antennas on both sides of a communication channel promises significant improvements in system throughput and power efficiency. In effect, a new class of large multiple-input multiple-output (MIMO) communication systems…

信息论 · 计算机科学 2014-01-28 Maksym A. Girnyk , Mikko Vehkaperä , Lars K. Rasmussen

In this paper we study the relay-interference wireless network, in which relay (helper) nodes are to facilitate competing information flows over a wireless network. We examine this in the context of a deterministic wireless interaction…

信息论 · 计算机科学 2008-12-10 Soheil Mohajer , Suhas N. Diggavi , Christina Fragouli , David N. C. Tse

This study investigates the outage performance of an under-laying wireless-powered secondary system that reuses the primary users (PU) spectrum in a multiple-input multiple-output (MIMO) cognitive radio (CR) network. Each secondary user…

信息论 · 计算机科学 2023-09-19 Iman Pazouki , Roshanak Soltani , Mohammad Lari

This paper investigates the simultaneous wireless information and power transfer (SWIPT) precoding scheme for K-user multiple-input-multiple-output (MIMO) interference channels (IC), for which interference alignment (IA) schemes provide…

信息论 · 计算机科学 2021-10-19 Navneet Garg , Avinash Rudraksh , Govind Sharma , Tharmalingam Ratnarajah

Multi-antenna precoding effectively mitigates the interference in wireless networks. However, the resultant performance gains can be significantly compromised in practice if the precoder design fails to account for the inaccuracy in the…

信息论 · 计算机科学 2012-02-28 Kaibin Huang , Rui Zhang

Wireless powered communication (WPC) combines information and energy transmission for energy-constrained nodes. Reconfigurable intelligent surfaces (RISs) are capable of controlling radio signals in a dynamic and goal-oriented manner. This…

信息论 · 计算机科学 2024-01-04 Waqas Khalid , Manish Nair , Trinh Van Chien , Heejung Yu

This letter investigates the impact of co-channel interference (CCI) on the performance of a decode-and-forward (DF) relaying network with a reconfigurable intelligent surface (RIS)-assisted source. We consider one source, multiple DF…

信号处理 · 电气工程与系统科学 2020-11-11 Doaa Salim , Monjed H. Samuh , Anas M. Salhab

In a multi-user wireless network equipped with multiple relay nodes, some relays are more intelligent than other relay nodes. The intelligent relays are able to gather channel state information, perform linear processing and forward signals…

信息论 · 计算机科学 2015-06-04 Zuleita Ho , Eduard Jorswieck

In this letter, the performance of multiuser-radio frequency/free space optics (RF/FSO) two-way relay network in the presence of interference is investigated. The FSO link accounts for pointing errors and both types of detection techniques,…

信号处理 · 电气工程与系统科学 2019-05-09 Abhijeet Upadhya , Vivek K. Dwivedi , Mohamed-Slim Alouini

Channel state information (CSI) at the transmitters (CSIT) is of importance for interference alignment schemes to achieve the optimal degrees of freedom (DoF) for wireless networks. This paper investigates the impact of half-duplex relays…

信息论 · 计算机科学 2013-04-23 Ye Tian , Aylin Yener

In this work, we study the generalized degrees-of-freedom (GDoF) of downlink and uplink cellular networks, modeled as Gaussian interfering broadcast channels (IBC) and Gaussian interfering multiple access channels (IMAC), respectively. We…

信息论 · 计算机科学 2020-01-17 Hamdi Joudeh , Giuseppe Caire

Designing high performance channel assignment schemes to harness the potential of multi-radio multi-channel deployments in wireless mesh networks (WMNs) is an active research domain. A pragmatic channel assignment approach strives to…

网络与互联网体系结构 · 计算机科学 2016-01-29 Srikant Manas Kala , M. Pavan Kumar Reddy , Ranadheer Musham , Bheemarjuna Reddy Tamma