中文
相关论文

相关论文: Adaptive Switching Between Single/Concurrent Link …

200 篇论文

In millimeter wave (mmWave) communication systems, narrow beam operations overcome severe channel attenuations, reduce multiuser interference, and thus introduce the new concept of noise-limited mmWave wireless networks. The regime of the…

信息论 · 计算机科学 2015-10-02 Hossein Shokri-Ghadikolaei , Carlo Fischione

High power consumption and expensive hardware are two bottlenecks for practical massive multiple-input multiple-output (mMIMO) systems. One promising solution is to employ low-resolution analog-to-digital converters (ADCs) and…

信息论 · 计算机科学 2018-09-11 Jiayi Zhang , Linglong Dai , Ziyan He , Bo Ai , Octavia A. Dobre

Recently several CSMA algorithms based on the Glauber dynamics model have been proposed for multihop wireless scheduling, as viable solutions to achieve the throughput optimality, yet are simple to implement. However, their delay…

网络与互联网体系结构 · 计算机科学 2013-08-01 Jaewook Kwak , Chul-Ho Lee , Do Young Eun

This paper investigates an uplink multiuser massive multiple-input multiple-output (MIMO) system with one-bit analog-to-digital converters (ADCs), in which $K$ users with a single-antenna communicate with one base station (BS) with $n_r$…

信息论 · 计算机科学 2017-02-03 Seonho Kim , Namyoon Lee , Songnam Hong

In this paper, we consider the uplink and downlink precoder design for two-user power-domain multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) systems. We propose novel uplink and downlink precoding and decoding…

信息论 · 计算机科学 2021-01-15 Aravindh Krishnamoorthy , Robert Schober

In distributed control systems where devices are connected through Wi-Fi, direct access to low-level MAC operations may help applications to meet their timing constraints. In particular, the ability to timely control single transmission…

网络与互联网体系结构 · 计算机科学 2022-11-14 Gianluca Cena , Stefano Scanzio , Adriano Valenzano

In this paper, we investigate joint source precoding matrices and relay processing matrix design for multi-user multiple-input multiple-output~(MU-MIMO) non-regenerative relay networks in the presence of the direct source-destination~(S-D)…

信号处理 · 电气工程与系统科学 2020-04-02 Haibin Wan , Wen Chen

MIMO interference network optimization is important for increasingly crowded wireless communication networks. We provide a new algorithm, named Dual Link algorithm, for the classic problem of weighted sum-rate maximization for MIMO…

信息论 · 计算机科学 2016-04-05 Xing Li , Seungil You , Lijun Chen , An Liu , Youjian , Liu

Classical antenna selection schemes require instantaneous channel state information (CSI). This leads to high signaling overhead in the system. This work proposes a novel joint receive antenna selection and precoding scheme for multiuser…

信号处理 · 电气工程与系统科学 2022-12-29 Chongjun Ouyang , Ali Bereyhi , Saba Asaad , Ralf R. Müller , Hongwen Yang

With network requirements diverging across emerging applications, latency-critical services demand minimal logic delay, while hyperscale training and collectives require sustained line-rate throughput for synchronized bulk transfers. This…

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

Current model-free adaptive control (MFAC) can hardly deal with the time delay problem in multiple-input multiple-output (MIMO) systems. To solve this problem, a novel model-free adaptive predictive control (MFAPC) method is proposed.…

系统与控制 · 电气工程与系统科学 2023-11-21 Feilong Zhang

Time splitting and power splitting incorporating, a hybrid Simultaneous Wireless Information and Power Transfer (SWIPT) based cooperative Non-Orthogonal Multiple Access (CNOMA) protocol is considered in this paper. Cell center user of the…

信号处理 · 电气工程与系统科学 2019-06-24 A. A. Amin , M. B. Uddin , S. Y. Shin

Motivated by the demand for energy-efficient communication solutions in the next generation cellular network, a mixed-ADC architecture for massive multiple input multiple output (MIMO) systems is proposed, which differs from previous works…

信息论 · 计算机科学 2016-11-18 Ning Liang , Wenyi Zhang

An interesting distributed adaptive CSMA MAC protocol, called adaptive CSMA, was proposed recently to schedule any strictly feasible achievable rates inside the capacity region. Of particular interest is the fact that the adaptive CSMA can…

网络与互联网体系结构 · 计算机科学 2010-08-03 Wei Chen , Yue Wang , Minghua Chen , Soung Chang Liew

Hybrid transceiver can strike a balance between complexity and performance of multiple-input multiple-output (MIMO) systems. In this paper, we develop a unified framework on hybrid MIMO transceiver design using matrix-monotonic…

信息论 · 计算机科学 2019-06-26 Chengwen Xing , Xin Zhao , Wei Xu , Xiaodai Dong , Geoffrey Ye Li

In this paper, we propose a hybrid medium access control protocol (H-MAC) for wireless sensor networks. It is based on the IEEE 802.11's power saving mechanism (PSM) and slotted aloha, and utilizes multiple slots dynamically to improve…

网络与互联网体系结构 · 计算机科学 2010-07-15 S. Mehta , K. S. Kwak

This paper describes a radio architecture for distributed spectrum sharing of multiple channels among secondary users (SUs) in a wide band of frequencies and a localized area. A novel Multichannel Immediate Multiple Access (MIMA) physical…

信息论 · 计算机科学 2017-02-10 Mingming Cai , J. Nicholas Laneman

Relay selection enhances the performance of the cooperative networks by selecting the links with higher capacity. Meanwhile link adaptation improves the spectral efficiency of wireless data-centric networks through adapting the modulation…

信息论 · 计算机科学 2010-09-02 Wei Yang , Lihua Li , Gang Wu , Haifeng Wang

This paper investigates practical 5G strategies for power-balanced non-orthogonal multiple access (NOMA). By allowing multiple users to share the same time and frequency, NOMA can scale up the number of served users and increase spectral…

信息论 · 计算机科学 2017-01-25 Haoyuan Pan , Lu Lu , Soung Chang Liew