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The paper is focused on the tradeoff between performance and decoding complexity per iteration for LDPC codes in terms of their gap (in rate) to capacity. The study of this tradeoff is done via information-theoretic bounds which also enable…

信息论 · 计算机科学 2007-07-13 Igal Sason , Gil Wiechman

Intra-session network coding has been shown to offer significant gains in terms of achievable throughput and delay in settings where one source multicasts data to several clients. In this paper, we consider a more general scenario where…

信息论 · 计算机科学 2016-11-17 Eirina Bourtsoulatze , Nikolaos Thomos , Pascal Frossard

Deep learning has been recently applied to many problems in wireless communications including modulation classification and symbol decoding. Many of the existing end-to-end learning approaches demonstrated robustness to signal distortions…

信号处理 · 电气工程与系统科学 2020-09-15 Samer Hanna , Chris Dick , Danijela Cabric

In the Internet of Things, learning is one of most prominent tasks. In this paper, we consider an Internet of Things scenario where federated learning is used with simultaneous transmission of model data and wireless power. We investigate…

信号处理 · 电气工程与系统科学 2021-07-22 José Mairton B. da Silva , Konstantinos Ntougias , Ioannis Krikidis , Gábor Fodor , Carlo Fischione

This paper summarizes the design of a programmable processor with transport triggered architecture (TTA) for decoding LDPC and turbo codes. The processor architecture is designed in such a manner that it can be programmed for LDPC or turbo…

We focus on a particular form of network coding, reverse carpooling, in a wireless network where the potentially coded transmitted messages are to be decoded immediately upon reception. The network is fixed and known, and the system…

网络与互联网体系结构 · 计算机科学 2010-01-20 Ali ParandehGheibi , Asuman Ozdaglar , Michelle Effros , Muriel Medard

This paper analyzes the distribution of cycle lengths in turbo decoding and low-density parity check (LDPC) graphs. The properties of such cycles are of significant interest in the context of iterative decoding algorithms which are based on…

离散数学 · 计算机科学 2010-01-21 Xian-ping Ge , David Eppstein , Padhraic Smyth

Radar sensors offer power-efficient solutions for always-on smart devices, but processing the data streams on resource-constrained embedded platforms remains challenging. This paper presents novel techniques that leverage the temporal…

机器学习 · 计算机科学 2023-09-13 Max Sponner , Julius Ott , Lorenzo Servadei , Bernd Waschneck , Robert Wille , Akash Kumar

Next-generation wireless communication systems impose much stricter requirements for transmission rate, latency, and reliability. The peak data rate of 6G networks should be no less than 1 Tb/s, which is comparable to existing long-haul…

信息论 · 计算机科学 2024-10-28 Kirill Andreev , Pavel Rybin , Alexey Frolov

For high throughput applications, turbo-like iterative decoders are implemented with parallel architectures. However, to be efficient parallel architectures require to avoid collision accesses i.e. concurrent read/write accesses should not…

硬件体系结构 · 计算机科学 2010-02-23 Cyrille Chavet , Philippe Coussy , Eric Martin , Pascal Urard

Physical-layer network coding improves the throughput of the two-way relay channel by allowing multiple source terminals to transmit simultaneously to the relay. However, it is generally not feasible to align the phases of the multiple…

信息论 · 计算机科学 2013-02-27 Terry Ferrett , Matthew C. Valenti , Don Torrieri

Due to its effectiveness and performance, the Transformer translation model has attracted wide attention, most recently in terms of probing-based approaches. Previous work focuses on using or probing source linguistic features in the…

计算与语言 · 计算机科学 2021-04-21 Hongfei Xu , Josef van Genabith , Qiuhui Liu , Deyi Xiong

Conventional wireless power transfer systems are linear and time-invariant, which sets fundamental limitations on their performance, including a tradeoff between transfer efficiency and the level of transferred power. In this paper, we…

应用物理 · 物理学 2024-02-26 X. Wang , I. Krois , N. Ha-Van , M. S. Mirmoosa , P. Jayathurathnage , S. Hrabar , S. A. Tretyakov

In recent advances in solving the problem of transmission network expansion planning, the use of robust optimization techniques has been put forward, as an alternative to stochastic mathematical programming methods, to make the problem…

计算工程、金融与科学 · 计算机科学 2016-09-28 Roberto Minguez , Raquel Garcia-Bertrand

Fifth generation new radio aims to facilitate new use cases in wireless communications. Some of these new use cases have highly de-manding latency requirements; many of the powerful forward error correction codes deployed in current…

信息论 · 计算机科学 2019-01-14 Mehmet Cagri Ilter , Halim Yanikomeroglu

This paper considers the problem of reducing the broadcast decoding delay of wireless networks using instantly decodable network coding (IDNC) based device-to-device (D2D) communications. In a D2D configuration, devices in the network can…

信息论 · 计算机科学 2015-05-22 Ahmed Douik , Sameh Sorour , Tareq Y. Al-Naffouri , Hong-Chuan Yang , Mohamed-Slim Alouini

Deep neural networks (NNs) have exhibited considerable potential for efficiently balancing the performance and complexity of multiple-input and multiple-output (MIMO) detectors. We propose a receiver framework that enables efficient online…

信号处理 · 电气工程与系统科学 2020-12-09 Jing Zhang , Yunfeng He , Yu-Wen Li , Chao-Kai Wen , Shi Jin

For finite coupling lengths, terminated spatially coupled low-density parity-check (SC-LDPC) codes show a non-negligible rate-loss. In this paper, we investigate if this rate loss can be mitigated by tail-biting SC-LDPC codes in conjunction…

信息论 · 计算机科学 2017-04-19 Sebastian Cammerer , Laurent Schmalen , Vahid Aref , Stephan ten Brink

In this paper we investigate stopping criteria for iterative decoding from a mutual information perspective. We introduce new iteration stopping rules based on an approximation of the mutual information between encoded bits and decoder soft…

信息论 · 计算机科学 2013-02-07 Jinhong Wu , Branimir R. Vojcic , Jia Sheng

This paper investigates the design and analysis of minimum mean square error (MMSE) turbo decision feedback equalization (DFE), with expectation propagation (EP), for single carrier modulations. Classical non iterative DFE structures have…

信号处理 · 电气工程与系统科学 2018-07-03 Serdar Şahin , Antonio M. Cipriano , Charly Poulliat , Marie-Laure Boucheret