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By means of the emerging technique of dynamic Time Division Duplex (TDD), the switching point between uplink and downlink transmissions can be optimized across a multi-cell system in order to reduce the impact of inter-cell interference. It…

信息论 · 计算机科学 2015-05-07 A. M. Fouladgar , O. Simeone , O. Sahin , P. Popovski , S. Shamai

Motivated by the fact that full diversity order is achieved using the "best-relay" selection technique, we consider opportunistic amplify-and-forward and decode-and-forward relaying systems. We focus on the outage probability of such a…

信息论 · 计算机科学 2016-11-15 Ashkan Kalantari , Mohammadali Mohammadi , Mehrdad Ardebilipour

We tackle the challenge of learning to charge Electric Vehicles (EVs) with Out-of-Distribution (OOD) data. Traditional scheduling algorithms typically fail to balance near-optimal average performance with worst-case guarantees, particularly…

系统与控制 · 电气工程与系统科学 2024-08-08 Tongxin Li , Chenxi Sun

This paper studies the application of compute-and-forward to multiple access relay channels (MARC). Despite its promising advantage of improving network throughput, it is not straightforward to apply compute-and-forward to the MARC. This…

信息论 · 计算机科学 2020-08-11 Mohammad Nur Hasan , Brian M. Kurkoski

In this paper, a multi-antenna assisted virtual full-duplex (FD) relaying with reliability-aware iterative decoding at destination node is proposed to improve system spectral efficiency and reliability. This scheme enables two half-duplex…

信息论 · 计算机科学 2017-10-19 Jiancao Hou , Sandeep Narayanan , Yi Ma , Mohammad Shikh-Bahaei

In this paper, we study the performance, in terms of the asymptotic error probability, of a user which communicates with a destination with the aid of a full-duplex in-band relay. We consider that the network is interference-limited, and…

信息论 · 计算机科学 2014-05-16 Andres Altieri , Leonardo Rey Vega , Pablo Piantanida , Cecilia G. Galarza

In this paper, we study a three-node full-duplex network, where a base station is engaged in simultaneous up- and downlink communication in the same frequency band with two half-duplex mobile nodes. To reduce the impact of inter- node…

信息论 · 计算机科学 2014-05-15 Jingwen Bai , Ashutosh Sabharwal

Nowadays the radio interface of several standards is enhanced with advanced technologies such as OFDMA and extension technology such as relay. By using those promising transmission technology for the next generation wireless communications,…

网络与互联网体系结构 · 计算机科学 2013-10-25 Maryam Basly , Hedia Kochkar , Ammar Bouallegue

With the advent of software-defined networking, network configuration through programmable interfaces becomes practical, leading to various on-demand opportunities for network routing update in multi-tenant datacenters, where tenants have…

密码学与安全 · 计算机科学 2020-06-19 Zhuotao Liu , Yuan Cao , Xuewu Zhang , Changping Zhu , Fan Zhang

Routing is a widespread approach to transfer information from a source node to a destination node in many deployed wireless ad-hoc networks. Today's implemented routing algorithms seek to efficiently find the path/route with the largest…

信息论 · 计算机科学 2018-10-16 Yahya H. Ezzeldin , Martina Cardone , Christina Fragouli , Daniela Tuninetti

In-band full-duplex (FD) communications - enabled by recent advances in antenna and RF circuit design - has emerged as one of the promising techniques to improve data rates in wireless systems. One of the major roadblocks in enabling high…

信息论 · 计算机科学 2019-05-23 Shahram Shahsavari , Farhad Shirani , Mohammad A Khojastepour , Elza Erkip

Two-way relaying can significantly improve performance of next generation wireless networks. However, due to its dependence on multi-node cooperation and transmission coordination, applying this technique to a wireless network in an…

信息论 · 计算机科学 2012-07-27 Wenguang Mao , Xudong Wang

A network consisting of $n$ source-destination pairs and $m$ relays is considered. Focusing on the large system limit (large $n$), the throughput scaling laws of two-hop relaying protocols are studied for Rayleigh fading channels. It is…

信息论 · 计算机科学 2008-04-29 Shengshan Cui , Alexander M. Haimovich , Oren Somekh , H. Vincent Poor

Orthogonal frequency-division multiplexing (OFDM) with subcarrier number modulation (OFDM-SNM) manifests its superior nature of high spectral efficiency (SE) and low complexity for signal estimation. To exploit the spatial gain of OFDM-SNM,…

信号处理 · 电气工程与系统科学 2020-07-08 Shuping Dang , Jiusi Zhou , Basem Shihada , Mohamed-Slim Alouini

In this paper, a multiple-relay network in considered, in which $K$ single-antenna relays assist a single-antenna transmitter to communicate with a single-antenna receiver in a half-duplex mode. A new Amplify and Forward (AF) scheme is…

信息论 · 计算机科学 2007-10-01 Shahab Oveis Gharan , Alireza Bayesteh , Amir K. khandani

This paper studies the design of a decentralized multiuser multi-antenna (MIMO) system for spectrum sharing over a fixed narrow band, where the coexisting users independently update their transmit covariance matrices for individual…

信息论 · 计算机科学 2009-05-22 Rui Zhang , John M. Cioffi

The advent of a new kind of entangled state known as hybrid entangled state, i.e., entanglement between different degrees of freedom, makes it possible to perform various quantum computational and communication tasks with lesser amount of…

量子物理 · 物理学 2021-05-10 Chitra Shukla , Priya Malpani , Kishore Thapliyal

In this paper, protocols for the half-duplex relay channel are introduced and performance limits are analyzed. Relay nodes underly an orthogonality constraint, which prohibits simultaneous receiving and transmitting on the same…

信息论 · 计算机科学 2010-02-02 Peter Rost , Gerhard Fettweis

The next generation wireless communication networks are required to support high-mobility scenarios, such as reliable data transmission for high-speed railways. Nevertheless, widely utilized multi-carrier modulation, the orthogonal…

信号处理 · 电气工程与系统科学 2024-03-22 Hengyu Zhang , Xuehan Wang , Jingbo Tan , Jintao Wang

Diversity-multiplexing trade-off has been studied extensively to quantify the benefits of different relaying strategies in terms of error and rate performance. However, even in the case of a single half-duplex relay, which seems fully…

信息论 · 计算机科学 2013-05-16 Ritesh Kolte , Ayfer Özgür