English
Related papers

Related papers: Performance Analysis of CSMA/CA Protocols with Mul…

200 papers

Compute-forward multiple access (CFMA) is a multiple access transmission scheme based on Compute-and-Forward (CF) which allows the receiver to first decode linear combinations of the transmitted signals and then solve for individual…

Information Theory · Computer Science 2024-09-11 Lanwei Zhang , Jamie Evans , Jingge Zhu

Movable antenna (MA) is a promising technology to improve wireless communication performance by varying the antenna position in a given finite area at the transceivers to create more favorable channel conditions. In this paper, we…

Information Theory · Computer Science 2024-03-26 Lipeng Zhu , Wenyan Ma , Boyu Ning , Rui Zhang

This paper proposes a cross-layer based cognitive radio multichannel medium access control (MAC) protocol with TDMA, which integrate the spectrum sensing at physical (PHY) layer and the packet scheduling at MAC layer, for the ad hoc…

Networking and Internet Architecture · Computer Science 2010-09-28 S. M. Kamruzzaman

We consider a multiple access communication system where multiple users share a common collision channel. Each user observes its local traffic and the feedback from the channel. At each time instant the feedback from the channel is one of…

Networking and Internet Architecture · Computer Science 2015-06-30 Yi Ouyang , Demosthenis Teneketzis

Many modern wireless networks integrate carrier sense mul-tiple access/collision avoidance (CSMA/CA) with exponential backoff as medium access control (MAC) technique. In order to decrease the MAC overhead and the collision probability, we…

Networking and Internet Architecture · Computer Science 2015-01-08 Baher Mawlawi , Jean-Baptiste Doré

The massive proliferation of wireless infrastructures with complementary characteristics prompts the bandwidth aggregation for Concurrent Multipath Transfer (CMT) over heterogeneous access networks. Stream Control Transmission Protocol…

Networking and Internet Architecture · Computer Science 2016-11-15 Jiyan Wu , Bo Cheng , Chau Yuen , Yanlei Shang , Junliang Chen

We describe a new synchronous and distributed medium access control (MAC) protocol for multihop wireless networks that provides bandwidth guarantees to unicast connections. Our MAC protocol is based on a slotted time division multiple…

Networking and Internet Architecture · Computer Science 2022-11-16 Jennifer Andreoli-Fang , George Kondylis

In this paper, we propose a multi-channel full-duplex Medium Access Control (MAC) protocol for cognitive radio networks (MFDC-MAC). Our design exploits the fact that full-duplex (FD) secondary users (SUs) can perform spectrum sensing and…

Information Theory · Computer Science 2016-02-02 Tan Le Thanh , Long Bao Le

Joint communication and sensing (JCAS) networks are envisioned as a key enabler for a variety of applications which demand reliable wireless connectivity along with accurate and robust sensing capability. When sensing and communication…

Systems and Control · Electrical Eng. & Systems 2024-01-26 Navid Keshtiarast , Pradyumna Kumar Bishoyi , Marina Petrova

Achieving ubiquitous high-accuracy localization is crucial for next-generation wireless systems, yet remains challenging in multipath-rich urban environments. By exploiting the fine-grained multipath characteristics embedded in channel…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Tong An , Huan Lu , Jiayang Shi , Kai Yu , Rongrong Zhu , Bin Zheng , Jiwei Zhao , Haibo Zhou

A node equipped with a multi-beam antenna can achieve a throughput of up to m times as compared to a single-beam antenna, by simultaneously communicating on its m non-interfering beams. However, the existing multi-beam medium access control…

Networking and Internet Architecture · Computer Science 2022-10-12 Shivam Garg , Nandini Venkatraman , Elizabeth Serena Bentley , Sunil Kumar

In this paper, we propose a novel antenna architecture called movable antenna (MA) to improve the performance of wireless communication systems. Different from conventional fixed-position antennas (FPAs) that undergo random wireless channel…

Information Theory · Computer Science 2024-03-26 Lipeng Zhu , Wenyan Ma , Rui Zhang

Wireless local area networks (WLAN) still suffer from a severe performance discrepancy between different users in the uplink. This is because of the spatially varying channel conditions provided by the wireless medium. Cooperative medium…

Information Theory · Computer Science 2009-11-04 Georg Böcherer

Sparse Code Multiple Access (SCMA), a non-orthogonal multiple access scheme, has been introduced as a key 5G technology to improve spectral efficiency. In this work, we propose SCMA to enable open-loop coordinated multipoint (CoMP) joint…

Information Theory · Computer Science 2015-04-09 Usa Vilaipornsawai , Hosein Nikopour , Alireza Bayesteh , Jianglie Ma

This paper has been withdrawn because of some paper issues. Recent studies on MAC scheduling have shown that carrier sense multiple access (CSMA) can be controlled to be achieve optimality in terms of throughput or utility. These results…

Networking and Internet Architecture · Computer Science 2012-12-18 Se-Young Yun , Jinwoo Shin , Yung Yi

In modern wireless communication systems, the effective processing of Channel State Information (CSI) is crucial for enhancing communication quality and reliability. However, current methods often handle different tasks in isolation,…

Signal Processing · Electrical Eng. & Systems 2025-02-27 Jun Jiang , Wenjun Yu , Yuan Gao , Shugong Xu

In this technical report, the throughput performance of CSMA networks with two representative receiver structures, i.e., the collision model and the capture model, is characterized and optimized. The analysis is further applied to an IEEE…

Networking and Internet Architecture · Computer Science 2019-06-18 Xinghua Sun , Lin Dai

Movable antenna (MA) has been regarded as a promising technology to enhance wireless communication performance by enabling flexible antenna movement. However, the hardware cost of conventional MA systems scales with the number of movable…

Information Theory · Computer Science 2025-05-07 Lipeng Zhu , He Sun , Wenyan Ma , Zhenyu Xiao , Rui Zhang

A multiple access channel (MAC) consists of multiple senders simultaneously transmitting their messages to a single receiver. For the classical-quantum case (cq-MAC), achievable rates are known assuming that all the messages are decoded, a…

Quantum Physics · Physics 2022-04-26 Masahito Hayashi , Angeles Vazquez-Castro

Lattice codes used under the Compute-and-Forward paradigm suggest an alternative strategy for the standard Gaussian multiple-access channel (MAC): The receiver successively decodes integer linear combinations of the messages until it can…

Information Theory · Computer Science 2016-11-17 Jingge Zhu , Michael Gastpar