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The notion of Total Interference Degree (TID) is traditionally used to estimate the intensity of prevalent interference in a Multi-RadioMulti-ChannelWirelessMesh Network (MRMC WMN). Numerous Channel Assignment (CA) approaches,…

网络与互联网体系结构 · 计算机科学 2016-09-08 Mule Pavan Kumar Reddy , Srikant Manas Kala , Bheemarjuna Reddy Tamma

In this paper multi-user detection techniques, such as Parallel and Serial Interference Cancellations (PIC & SIC), General Minimum Mean Square Error (GMMSE) and polynomial MMSE, for the downlink of a broadband Multi-Carrier Code Division…

Block-based motion estimation (ME) and compensation (MC) techniques are widely used in modern video processing algorithms and compression systems. The great variety of video applications and devices results in numerous compression…

多媒体 · 计算机科学 2014-04-15 Yehuda Dar , Alfred M. Bruckstein

This paper investigates the impact of carrier frequency offset (CFO) on the performance of different MIMO-OFDM schemes with high spectral efficiency for next generation of terrestrial digital TV. We show that all studied MIMO-OFDM schemes…

网络与互联网体系结构 · 计算机科学 2008-09-30 Youssef Nasser , Jean-François Hélard , Matthieu Crussière

This paper provides a link and system level study of the downlink using OFDMA techniques based on LTE systems. At the link level, the Block Error Rate (BLER) performance curves are generated and 10 % points of BLER curves, calculated under…

网络与互联网体系结构 · 计算机科学 2018-10-03 Ishtiaq Ahmad , Zeeshan Kaleem , KyungHi Chang

Orthogonal Frequency Division Multiplexing (OFDM) has recently been used widely in wireless communication systems. OFDM is very effective in combating intersymbol interference and can achieve high data rate in frequency selective channel.…

其他计算机科学 · 计算机科学 2010-01-14 B. Sathish Kumar , K. R. Shankar Kumar , R. Radhakrishnan

Base station (BS) cooperative transmission can improve the spectrum efficiency of cellular systems, whereas using which the channels will become asymmetry. In this paper, we study the impact of the asymmetry on the performance of channel…

信息论 · 计算机科学 2010-06-22 Xueying Hou , Chenyang Yang , Buon Kiong , Lau

This paper investigates the performance of MIMO ad hoc networks that employ transmit diversity, as delivered by the Alamouti scheme, and/or spatial multiplexing, according to the Vertical Bell Labs Layered Space-Time system (V-BLAST). Both…

网络与互联网体系结构 · 计算机科学 2017-04-11 Fadhil Firyaguna , Ana C. O. Christófaro , Éverton A. L. Andrade , Tiago Bonfim , Marcelo M. Carvalho

This paper investigates the performance of interference-limited three-phase two-way relaying with direct channel between two terminals in Rayleigh fading channels. The outage probability, sum bit error rate (BER) and ergodic sum rate are…

信息论 · 计算机科学 2014-03-06 Xiaochen Xia , Dongmei Zhang , Kui Xu , Youyun Xu

We study a variant of unequal error protection in channel coding, where the message bit string is divided into a finite number of blocks and the maximization objective is a weighted sum of per-block decoding success probabilities. The…

信息论 · 计算机科学 2026-04-09 Adeel Mahmood

Impulsive noise (IN) commonly generated by power devices can severely degrade the performance of high sensitivity wireless receivers. Accurate channel state information (CSI) knowledge is essential for designing optimal maximum a posteriori…

信号处理 · 电气工程与系统科学 2025-10-03 Chin-Hung Chen , Ivana Nikoloska , Wim van Houtum , Yan Wu , Boris Karanov , Alex Alvarado

Code annealing, a new method of designing good codes of short block length, is proposed, which is then concatenated with cyclic lifting to create finite codes of low frame error rate (FER) error floors without performance outliers. The…

信息论 · 计算机科学 2007-07-13 Chih-Chun Wang

While first-order channel statistics, such as bit-error rate (BER) and outage probability, play an important role in the design of wireless communication systems, they provide information only on the static behavior of fading channels. On…

信息论 · 计算机科学 2015-09-03 Ahmed O. D. Ali , Cenk M. Yetis , Murat Torlak

Precoding techniques are key to dealing with multiuser interference in the downlink of cell-free (CF) multiple-input multiple-output systems. However, these techniques rely on accurate estimates of the channel state information at the…

信息论 · 计算机科学 2024-07-09 A. Flores , R. de Lamare

This paper describes the limiting behavior of linear and decision feedback equalizers (DFEs) in single/multiple antenna systems employing real/complex-valued modulation alphabets. The wideband frequency selective channel is modeled using a…

信息论 · 计算机科学 2013-07-16 Kiran Kuchi

The analysis of modulation schemes for the physical layer network-coded two way relaying scenario is presented which employs two phases: Multiple access (MA) phase and Broadcast (BC) phase. It was shown by Koike-Akino et. al. that…

信息论 · 计算机科学 2012-03-27 Vijayvaradharaj T. Muralidharan , B. Sundar Rajan

This paper focuses on the combined radar and communications problem and conducts a thorough analytical investigation on the effect of phase and frequency change on the communication and sensing functionality. First, we consider the…

信息论 · 计算机科学 2024-05-03 Tian Han , Rajitha Senanayake , Peter Smith , Jamie Evans , William Moran , Robin Evans

Powerful Forward Error Correction (FEC) schemes are used in optical communications to achieve bit-error rates below $10^{-15}$. These FECs follow one of two approaches: concatenation of simpler hard-decision codes or usage of inherently…

硬件体系结构 · 计算机科学 2017-09-01 Carlo Condo , Pascal Giard , François Leduc-Primeau , Gabi Sarkis , Warren J. Gross

A new subcarrier combining technique is proposed for MC -CDMA receiver in mobile Rayleigh fading channel. It exploits the structure formed by repeating spreading sequences of users on different subcarriers to simultaneously suppress…

信息论 · 计算机科学 2011-03-01 Indu Shakya , Falah H. Ali , Elias Stipidis

In large scale dynamic wireless networks, the amount of overhead caused by channel estimation (CE) is becoming one of the main performance bottlenecks. This is due to the large number users whose channels should be estimated, the user…

信息论 · 计算机科学 2022-04-19 Mohanad Obeed , Yasser Al-Eryani , Anas Chaaban