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This paper proposes a spatially common sparsity based adaptive channel estimation and feedback scheme for frequency division duplex based massive multi-input multi-output (MIMO) systems, which adapts training overhead and pilot design to…

Information Theory · Computer Science 2023-10-20 Zhen Gao , Linglong Dai , Zhaocheng Wang , Sheng Chen

Unitary space-time modulation is known to be an efficient means to communicate over non-coherent Multiple Input Multiple Output (MIMO) channels. In this letter, differential unitary space-time coding and non-coherent space-time coding for…

Information Theory · Computer Science 2007-07-17 G. Susinder Rajan , B. Sundar Rajan

Machine-Type Communication (MTC) is a rapidly growing technology which covers a broad range of automated applications and propels the world into a fully connected society. Two new use cases of MTC are mMTC and URLLC, where mMTC support a…

Information Theory · Computer Science 2018-08-27 Parisa Nouri , Hirley Alves , Matti Latva-aho

In this paper we consider the diversity-multiplexing gain tradeoff (DMT) of so-called minimum delay asymmetric space-time codes. Such codes are less than full dimensional lattices in their natural ambient space. Apart from the multiple…

Information Theory · Computer Science 2021-02-22 Roope Vehkalahti , Laura Luzzi

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…

Information Theory · Computer Science 2015-05-22 Ahmed Douik , Sameh Sorour , Tareq Y. Al-Naffouri , Hong-Chuan Yang , Mohamed-Slim Alouini

Delay-tolerant networking (DTN) offers a novel architecture that can be used to enhance store-carry-forward routing in satellite networks. Since these networks can take advantage of scheduled contact plans, distributed algorithms like the…

Networking and Internet Architecture · Computer Science 2023-05-09 Pablo G. Madoery , Gunes Karabulut Kurt , Halim Yanikomeroglu , Peng Hu , Khaled Ahmed , Stéphane Martel , Guillaume Lamontagne

Introducing cooperative coded caching into small cell networks is a promising approach to reducing traffic loads. By encoding content via maximum distance separable (MDS) codes, coded fragments can be collectively cached at small-cell base…

Information Theory · Computer Science 2020-06-25 Xiongwei Wu , Jun Li , Ming Xiao , P. C. Ching , H. Vincent Poor

Coherent Space-Time Shift Keying (CSTSK) is a recently developed generalized shift-keying framework for Multiple-Input Multiple-Output systems, which uses a set of Space-Time matrices termed as Dispersion Matrices (DM). CSTSK may be…

Information Theory · Computer Science 2012-10-10 Rakshith Rajashekar , K. V. S. Hari , L. Hanzo

In this paper, a cooperative multicast scheme that uses Randomized Distributed Space Time Codes (R-DSTC), along with packet level Forward Error Correction (FEC), is studied. Instead of sending source packets and/or parity packets through…

Multimedia · Computer Science 2016-11-18 Zhili Guo , Yao Wang , Elza Erkip , Shivendra Panwar

Delay/Disruption Tolerant Networking (DTN) employs the Licklider Transmission Protocol (LTP) with Automatic Repeat reQuest (ARQ) for reliable data delivery in challenging interplanetary networks. While previous studies have integrated…

Networking and Internet Architecture · Computer Science 2025-07-01 Liang Chen , Yu Song , Kanglian Zhao , Juan A. Fraire , Wenfeng Li

We develop a framework to optimize the tradeoff between diversity, multiplexing, and delay in MIMO systems to minimize end-to-end distortion. We first focus on the diversity-multiplexing tradeoff in MIMO systems, and develop analytical…

Information Theory · Computer Science 2008-04-09 Tim Holliday , Andrea J. Goldsmith , H. Vincent Poor

Distribution system integrated community microgrids (CMGs) can partake in restoring loads during extended duration outages. At such times, the CMG is challenged with limited resource availability, absence of robust grid support, and…

Systems and Control · Electrical Eng. & Systems 2022-02-11 Ashwin Shirsat , Valliappan Muthukaruppan , Rongxing Hu , Victor Paduani , Bei Xu , Lidong Song , Yiyan Li , Ning Lu , Mesut Baran , David Lubkeman , Wenyuan Tang

The term Delay/Disruption-Tolerant Networks (DTN) invented to describe and cover all types of long-delay, disconnected, intermittently connected networks, where mobility and outages or scheduled contacts may be experienced. This environment…

Networking and Internet Architecture · Computer Science 2021-05-06 Fuad Yimer Yesuf , M. Prathap

We consider efficient communications over the multiple-input multiple-output (MIMO) multiway distributed relay channel (MDRC) with full data exchange, where each user, equipped with multiple antennas, broadcasts its message to all the other…

Information Theory · Computer Science 2016-12-28 Xiang Zhao , Jianwen Zhang , Yingjun Zhang , Xiaojun Yuan

This paper studies the formation stabilization problem of asynchronous nonlinear multi-agent systems (MAS) subject to parametric uncertainties, external disturbances and bounded time-varying communication delays. A self-triggered min-max…

Systems and Control · Electrical Eng. & Systems 2022-02-22 Henglai Wei , Kunwu Zhang , Yang Shi

In this paper, we propose a new coding scheme and establish new bounds on the capacity region for the multi-sender unicast index-coding problem. We revisit existing partitioned Distributed Composite Coding (DCC) proposed by Sadeghi et al.…

Information Theory · Computer Science 2018-09-07 Min Li , Lawrence Ong , Sarah J. Johnson

Distributed opportunistic scheduling (DOS) protocols are proposed for multiple-input multiple-output (MIMO) ad-hoc networks with contention-based medium access. The proposed scheduling protocols distinguish themselves from other existing…

Information Theory · Computer Science 2016-11-17 Man-On Pun , Weiyan Ge , Dong Zheng , Junshan Zhang , H. Vincent Poor

This work concerns minimizing the achievable distortion of a Gaussian source over a two-hop block fading channel under mean square-error criterion. It is assumed that there is not a direct link between transmission ends and the…

Information Theory · Computer Science 2016-05-31 Sayed Ali Khodam Hoseini , Soroush Akhlaghi , Mina Baghani

This work proposes a novel learning driven bandwidth optimization framework called DRASTIC (Dynamic Resource Allocation for Slicing in Task aware Closed loop tactile Internet applications). The proposed framework dynamically allocates…

Networking and Internet Architecture · Computer Science 2026-03-31 Narges Golmohammadi , Madan Mohan Rayguru , Sabur Baidya

We present a novel differential space-time modulation (DSTM) scheme that is single-symbol decodable and can provide full transmit diversity. It is the first known singlesymbol- decodable DSTM scheme not based on Orthogonal STBC (O-STBC),…

Information Theory · Computer Science 2016-11-18 Chau Yuen , Yong Liang Guan , Tjeng Thiang Tjhung
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