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This paper studies an uplink multicell joint processing model in which the base-stations are connected to a centralized processing server via rate-limited digital backhaul links. Unlike previous studies where the centralized processor…

信息论 · 计算机科学 2013-05-28 Lei Zhou , Wei Yu

Benefit from flexible network designs and end-to-end joint optimization approach, learned image compression (LIC) has demonstrated excellent coding performance and practical feasibility in recent years. However, existing compression models…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Litian Li , Zheng Yang , Ronggang Wang

In this article, we propose an improved multiple feedback successive interference cancellation (IMF-SIC) algorithm for symbol vector detection in multiple-input multiple-output (MIMO) spatial multiplexing systems. The multiple feedback (MF)…

信息论 · 计算机科学 2015-09-03 Manish Mandloi , Mohammed Azahar Hussain , Vimal Bhatia

This paper proposes a stochastic geometry framework to analyze the SINR and rate performance in a large-scale uplink massive MIMO network. Based on the model, expressions are derived for spatial average SINR distributions over user and base…

信息论 · 计算机科学 2016-04-05 Tianyang Bai , Robert W. Heath

The performance of short polar codes under successive cancellation (SC) and SC list (SCL) decoding is analyzed for the case where the decoder messages are coarsely quantized. This setting is of particular interest for applications requiring…

信息论 · 计算机科学 2020-09-14 Joachim Neu , Mustafa Cemil Coşkun , Gianluigi Liva

Communication-sensing integration represents an up-and-coming area of research, enabling wireless networks to simultaneously perform communication and sensing tasks. However, in urban cellular networks, the blockage of buildings results in…

信息论 · 计算机科学 2024-07-03 Zezhong Sun , Shi Yan , Ning Jiang , Jiaen Zhou , Mugen Peng

Non-orthogonal multiple access (NOMA) is one of the key technologies to serve in ultra-dense networks with massive connections which is crucial for Internet of Things (IoT) applications. Besides, NOMA provides better spectral efficiency…

信息论 · 计算机科学 2020-09-30 Ferdi Kara , Hakan Kaya

This paper proposes a novel joint channel-estimation and source-detection algorithm using successive interference cancellation (SIC)-aided generative score-based diffusion models. Prior work in this area focuses on massive MIMO scenarios,…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Sagnik Bhattacharya , Muhammad Ahmed Mohsin , Kamyar Rajabalifardi , John M. Cioffi

A photonic approach for radio-frequency (RF) self-interference cancellation (SIC) incorporated in an in-band full-duplex radio-over-fiber system is proposed. A dual-polarization binary phase-shift keying modulator is used for…

信号处理 · 电气工程与系统科学 2022-04-27 Taixia Shi , Yu Chen , Yang Chen

Non-orthogonal multiple access (NOMA) is a powerful transmission technique that enhances the spectral efficiency of communication links, and is being investigated for 5G standards and beyond. A major drawback of NOMA is the need to apply…

信息论 · 计算机科学 2022-10-18 Abdelhamid Salem , Xiao Tong , Ang Li , Christos Masouros

This paper investigates non-orthogonal multiple access (NOMA) assisted integrated sensing and communication (ISaC) networks. Compared to the conventional ISaC networks, where the total bandwidth is used for both the radar detection and…

信息论 · 计算机科学 2022-03-09 Chao Zhang , Wenqiang Yi , Yuanwei Liu

Most Rate-Splitting Multiple Access (RSMA) implementations rely on successive interference cancellation (SIC) at the receiver, whose performance is inherently limited by error propagation during common-stream decoding. This paper addresses…

信号处理 · 电气工程与系统科学 2026-03-30 Guoqian Sun , Xinze Lyu , Bruno Clerckx

Digital receivers are required to recover the transmitted symbols from their observed channel output. In multiuser multiple-input multiple-output (MIMO) setups, where multiple symbols are simultaneously transmitted, accurate symbol…

信号处理 · 电气工程与系统科学 2020-06-17 Nir Shlezinger , Rong Fu , Yonina C. Eldar

Random Linear Network Coding (RLNC) is a transmission scheme that opts for linear combinations of the transmitted packets at a subset of the intermediate nodes. This scheme is usually considered when Network Coding (NC) is desired over…

信息论 · 计算机科学 2023-04-27 Amine Brahimi , Fatiha Merazka

In orthogonal frequency-division multiplexing-based radar and integrated sensing and communication systems, the sensing range is traditionally limited by the round-trip time corresponding to the cyclic prefix duration. Targets whose echoes…

In this paper, we investigate a multi-cell uplink non-orthogonal multiple access (NOMA) system with imperfect successive interference cancellation (SIC). The objective of the formulated optimization problem is to minimize the total power…

信息论 · 计算机科学 2020-07-21 M. Zeng , W. Hao , O. A. Dobre , Z. Ding , H. V. Poor

In Reconfigurable intelligent surface (RIS)-assisted systems the acquisition of CSI and the optimization of the reflecting coefficients constitute a pair of salient design issues. In this paper, a novel channel training protocol is…

信息论 · 计算机科学 2021-06-01 Jiancheng An , Chao Xu , Li Wang , Yusha Liu , Lu Gan , Lajos Hanzo

High frame-corruption is widely observed in Long Range Wide Area Networks (LoRaWAN) due to the coexistence with other networks in ISM bands and an Aloha-like MAC layer. LoRa's Forward Error Correction (FEC) mechanism is often insufficient…

信息论 · 计算机科学 2021-07-20 Niloofar Yazdani , Nikolaos Kouvelas , R Venkatesha Prasad , Daniel E. Lucani

Due to the low-latency and high-reliability requirements of 5G, low-complexity node-based successive cancellation list (SCL) decoding has received considerable attention for use in 5G communications systems. By identifying special…

In intelligent reflecting surface (IRS) aided wireless communication systems, channel state information (CSI) is crucial to achieve its promising passive beamforming gains. However, CSI errors are inevitable in practice and generally…

信息论 · 计算机科学 2022-10-17 Ming-Min Zhao , An Liu , Rui Zhang