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The performance of wireless body area networks (WBANs) may be degraded due to co-channel interference, i.e., when sensors of different coexisting WBANs transmit at the same time-slots using the same channel. In this paper, we exploit the 16…

网络与互联网体系结构 · 计算机科学 2017-01-05 Mohamad Ali , Hassine Moungla , Mohamed Younis , Ahmed Mehaoua

The advancements in wireless mesh networks (WMN), and the surge in multi-radio multi-channel (MRMC) WMN deployments have spawned a multitude of network performance issues. These issues are intricately linked to the adverse impact of endemic…

网络与互联网体系结构 · 计算机科学 2016-01-29 Srikant Manas Kala , Ranadheer Musham , M Pavan Kumar Reddy , Bheemarjuna Reddy Tamma

The spectrum-rich millimeter wave (mmWave) frequencies have the potential to alleviate the spectrum crunch that the wireless and cellular operators are already experiencing. However, compared with traditional wireless communication in the…

网络与互联网体系结构 · 计算机科学 2020-09-07 Chanaka Samarathunga , Mohamed Abouelseoud , Kazuyuki Sakoda , Morteza Hashemi

This paper investigates the utility of movable antenna (MA) assistance for the multiple-input single-output (MISO) interference channel. We exploit an additional design degree of freedom provided by MA to enhance the desired signal and…

信息论 · 计算机科学 2024-04-04 Honghao Wang , Qingqing Wu , Wen Chen

We study the problem of medium access control in domain of event-driven wireless sensor networks (WSNs). In this kind of WSN, sensor nodes send data to sink node only when an event occurs in the monitoring area. The nodes in this kind of…

网络与互联网体系结构 · 计算机科学 2012-05-22 Rajeev K. Shakya , Yatindra Nath Singh , Nishchal K. Verma

In this paper, we propose a multi-beam non-orthogonal multiple access (NOMA) framework for hybrid millimeter wave (mmWave) systems. The proposed framework enables the use of a limited number of radio frequency (RF) chains in hybrid mmWave…

信息论 · 计算机科学 2018-04-24 Zhiqiang Wei , Lou Zhao , Jiajia Guo , Derrick Wing Kwan Ng , Jinhong Yuan

Integrated sensing and communication (ISAC) is emerging as a pivotal technology for next-generation wireless networks. However, existing ISAC systems are based on fixed-position antennas (FPAs), which inevitably incur a loss in performance…

信息论 · 计算机科学 2025-07-14 Jingze Ding , Zijian Zhou , Xiaodan Shao , Bingli Jiao , Rui Zhang

In IEEE 802.11 Wireless Local Area Networks (WLANs), network nodes experiencing collisions on the shared channel need to backoff for a random period of time, which is uniformly selected from the Contention Window (CW). This contention…

网络与互联网体系结构 · 计算机科学 2010-07-05 Pooja Saini

We propose a framework for the derivation and evaluation of distributed iterative algorithms for receiver cooperation in interference-limited wireless systems. Our approach views the processing within and collaboration between receivers as…

信息论 · 计算机科学 2012-04-18 Mihai-Alin Badiu , Carles Navarro Manchón , Vasile Bota , Bernard Henri Fleury

Interference management has the potential to improve spectrum efficiency in current and next generation wireless systems (e.g. 3GPP LTE and IEEE 802.11). Recently, new paradigms for interference management have emerged to tackle…

信息论 · 计算机科学 2015-09-14 Namyoon Lee , Robert W. Heath

Interference alignment (IA) has attracted enormous research interest as it achieves optimal capacity scaling with respect to signal to noise ratio on interference networks. IA has also recently emerged as an effective tool in engineering…

信息论 · 计算机科学 2016-05-04 Liangzhong Ruan , Vincent K. N. Lau , Moe Z. Win

Cooperation between the nodes of wireless multihop networks can increase communication reliability, reduce energy consumption, and decrease latency. The possible improvements are even greater when nodes perform mutual information…

信息论 · 计算机科学 2009-08-27 Stark C. Draper , Lingjia Liu , Andreas F. Molisch , Jonathan S. Yedidia

We study the problem of geometric optimization of medium access control in multi-hop wireless network. We discuss the optimal placements of simultaneous transmitters in the network and our general framework allows us to evaluate the…

信息论 · 计算机科学 2012-08-02 Salman Malik , Philippe Jacquet , Cedric Adjih

With the stringent requirements introduced by the new sixth-generation (6G) internet-of-things (IoT) use cases, traditional approaches to multiple access control have started to show their limitations. A new wave of grant-free (GF)…

信号处理 · 电气工程与系统科学 2023-04-25 Alberto Rech , Stefano Tomasin , Lorenzo Vangelista , Cristina Costa

In this paper, we investigate the problem of distributed transmission control for unmanned aerial vehicles (UAVs) operating in unlicensed spectrum bands. We develop a rigorous interference-aware queuing analysis framework that jointly…

信息论 · 计算机科学 2024-01-23 Masoud Ghazikor , Keenan Roach , Kenny Cheung , Morteza Hashemi

This paper investigates the performance of cooperative receive diversity, for the wireless body area network (WBAN) radio channel, compliant with the IEEE 802.15.6 Standard, in the case of monitoring a sleeping person. Extensive WBAN…

其他计算机科学 · 计算机科学 2016-04-05 Samiya Shimly , Samaneh Movassaghi , David Smith

This paper presents a method to seamlessly extend the coverage of energy supply field for wireless sensor networks in order to free sensors from wires and batteries, where the multi-point scheme is employed to overcome path-loss…

网络与互联网体系结构 · 计算机科学 2014-08-21 Daiki Maehara , Gia Khanh Tran , Kei Sakaguchi , Kiyomichi Araki , Minoru Furukawa

Herein, an interference-aware predictive aerial-and-terrestrial communication problem is studied, where an unmanned aerial vehicle (UAV) delivers some data payload to a few nodes within a communication deadline. The first challenge is the…

信号处理 · 电气工程与系统科学 2025-12-02 Bowen Li , Junting Chen

Movable antenna (MA) technology offers promising potential to enhance wireless communication by allowing flexible antenna movement. To maximize spatial degrees of freedom (DoFs), larger movable regions are required, which may render the…

信息论 · 计算机科学 2024-10-01 Lipeng Zhu , Wenyan Ma , Zhenyu Xiao , Rui Zhang

The collaborative sensing of multiple Integrated sensing and communication (ISAC) base stations is one of the important technologies to achieve intelligent transportation. Interference elimination between ISAC base stations is the…

信息论 · 计算机科学 2022-06-23 Wangjun Jiang , Zhiqing Wei , Zhiyong Feng