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相关论文: Generalized HARQ Protocols with Delayed Channel St…

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Delay constrained linear transmission (LT) strategies are considered for the transmission of composite Gaussian measurements over an additive white Gaussian noise fading channel under an average power constraint. If the channel state…

信息论 · 计算机科学 2016-11-15 Onur Tan , Deniz Gunduz , Jesus Gomez Vilardebo

We consider a system where randomly generated updates are to be transmitted to a monitor, but only a single update can be in the transmission service at a time. Therefore, the source has to prioritize between the two possible transmission…

信息论 · 计算机科学 2017-05-05 Elie Najm , Roy D. Yates , Emina Soljanin

In this work, we propose novel HARQ prediction schemes for Cloud RANs (C-RANs) that use feedback over a rate-limited feedback channel (2 - 6 bits) from the Remote Radio Heads (RRHs) to predict at the User Equipment (UE) the decoding outcome…

信号处理 · 电气工程与系统科学 2023-05-19 Barış Göktepe , Cornelius Hellge , Thomas Schierl , Slawomir Stanczak

Transmitter channel state information (CSIT) is crucial for the multiplexing gains offered by advanced interference management techniques such as multiuser MIMO and interference alignment. Such CSIT is usually obtained by feedback from the…

信息论 · 计算机科学 2012-07-02 Mohammad Ali Maddah-Ali , David Tse

For integrated sensing and communication (ISAC) systems, the channel information essential for communication and sensing tasks fluctuates across different timescales. Specifically, wireless sensing primarily focuses on acquiring path state…

信息论 · 计算机科学 2023-10-18 Zhiqiang Xiao , Yong Zeng , Fuxi Wen , Zaichen Zhang , Derrick Wing Kwan Ng

In this work, we develop low complexity, optimal power allocation algorithms that would allow ultra reliable operation at any outage probability target with minimum power consumption in the finite blocklength regime by utilizing…

信息论 · 计算机科学 2020-02-27 Endrit Dosti , Mohammad Shehab , Hirley Alves , Matti Latva-aho

The fundamental performance limits of space-time block code (STBC) designs when perfect channel information is available at the transmitter (CSIT) are studied in this report. With CSIT, the transmitter can perform various techniques such as…

信息论 · 计算机科学 2015-03-19 Liangbin Li , Hamid Jafarkhani

In the Cloud Radio Access Network (C-RAN) architecture, a Control Unit (CU) implements the baseband processing functionalities of a cluster of Base Stations (BSs), which are connected to it through a fronthaul network. This architecture…

信息论 · 计算机科学 2015-10-27 Qing Han , Chenxi Wang , Marco Levorato , Osvaldo Simeone

We study the capacity region of two-user erasure interference channels with local delayed channel state information at the transmitters. In our model, transmitters have local mismatched outdated knowledge of the channel gains. We propose a…

信息论 · 计算机科学 2016-07-26 Alireza Vahid , Robert Calderbank

This paper evaluates the geometrically averaged performance of a wireless communication network assisted by a multitude of distributed reconfigurable intelligent surfaces (RISs), where the RIS locations are randomly dropped obeying a…

信息论 · 计算机科学 2024-09-18 Jindan Xu , Wei Xu , Chau Yuen

For the multiple-input multiple-output (MIMO) broadcast channel with imperfect channel state information (CSI), neither the capacity nor the optimal transmission technique have been fully discovered. In this paper, we derive achievable…

信息论 · 计算机科学 2016-11-18 Jun Zhang , Marios Kountouris , Jeffrey G. Andrews , Robert W. Heath

We studied power splitting-based simultaneous wireless information and power transfer (PS-SWIPT) in multiple access channels (MAC), considering the decoding cost and non-linear energy harvesting (EH) constraints at the receiving nodes to…

信息论 · 计算机科学 2021-11-15 Pouria Nezhadmohammad , Mohsen Abedi , Mohammad Javad Emadi , Risto Wichman

The Gaussian $K$-user interference and $M\times K$ X channels are investigated with no instantaneous channel state information (CSI) at transmitters. First, it is assumed that the CSI is fed back to all nodes after a finite delay (delayed…

信息论 · 计算机科学 2016-11-17 Mohammad Javad Abdoli , Akbar Ghasemi , Amir Keyvan Khandani

The study of relays with the scope of energy-harvesting (EH) looks interesting as a means of enabling sustainable, wireless communication without the need to recharge or replace the battery driving the relays. However, reliability of such…

网络与互联网体系结构 · 计算机科学 2017-05-02 Sutanu Ghosh , Tamaghna Acharya , Santi P. Maity

Explicit channel state information at the transmitter side is helpful to improve downlink precoding performance for multi-user MIMO systems. In order to reduce feedback signalling overhead, compression of Channel State Information (CSI) is…

信号处理 · 电气工程与系统科学 2021-10-13 Benedikt Groß , Rana Ahmed Salem , Thorsten Wild , Gerhard Wunder

In this research paper approximate mean of signal-to-interference-plus-noise ratio (SINR) under imperfect channel state information (CSI) is computed and maximized for throughput enhancement of MIMO interference networks. Each transmitter…

信息论 · 计算机科学 2018-08-03 Ali Dalir , Hassan Aghaeinia

In this paper, we address the discrete-time average consensus problem in strongly connected directed graphs, where nodes exchange information over unreliable error-prone communication links. We enhance the Robustified Ratio Consensus…

系统与控制 · 电气工程与系统科学 2024-07-30 Evagoras Makridis , Themistoklis Charalambous , Christoforos N. Hadjicostis

Future 5G cellular networks supporting ultra-reliable, low-latency communications (URLLC) could employ random access communication to reduce the overhead compared to scheduled access techniques used in 4G networks. We consider a wireless…

信息论 · 计算机科学 2018-06-06 Derya Malak , Howard Huang , Jeffrey G. Andrews

This paper studies the performance of hybrid radio-frequency (RF) and free-space optical (FSO) links assuming perfect channel state information (CSI) at the receiver. Considering the cases with and without hybrid automatic repeat request…

信息论 · 计算机科学 2016-11-15 Behrooz Makki , Tommy Svensson , Thomas Eriksson , Mohamed-Slim Alouini

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