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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

Network dynamic (e.g., traffic burst in data center networks and channel fading in cellular WiFi networks) has a great impact on the performance of communication networks (e.g., throughput, capacity, delay, and jitter). This article…

网络与互联网体系结构 · 计算机科学 2024-01-09 Meng Qin

Deep learning-based joint source-channel coding (JSCC) is emerging as a potential technology to meet the demand for effective data transmission, particularly for image transmission. Nevertheless, most existing advancements only consider…

信号处理 · 电气工程与系统科学 2024-06-18 Pujing Yang , Guangyi Zhang , Yunlong Cai

Many TDMA- and CSMA-based protocols try to obtain fair channel access and to increase channel utilization. It is still challenging and crucial in Wireless Sensor Networks (WSNs), especially when the time synchronization cannot be well…

网络与互联网体系结构 · 计算机科学 2015-11-10 Jianhui Zhang , Shao-jie Tang , Xingfa Shen , Guojun Dai , Amiya Nayak

This work investigates a multi-user, multi-antenna uplink wireless system, in which multiple users transmit signals to a base station. Prior research has explored the potential for linear growth in spectral efficiency by employing multiple…

信号处理 · 电气工程与系统科学 2025-06-27 Sajad Daei , Gabor Fodor , Mikael Skoglund

Wide band systems operating over multipath channels may spread their power over bandwidth if they use duty cycle. Channel uncertainty limits the achievable data rates of power constrained wide band systems; Duty cycle transmission reduces…

信息论 · 计算机科学 2007-07-13 Dana Porrat , David N. C. Tse , Serban Nacu

In the realm of wireless communication, stochastic modeling of channels is instrumental for the assessment and design of operational systems. Deep learning neural networks (DLNN), including generative adversarial networks (GANs), are being…

Existing communication systems exhibit inherent limitations in translating theory to practice when handling the complexity of optimization for emerging wireless applications with high degrees of freedom. Deep learning has a strong potential…

网络与互联网体系结构 · 计算机科学 2020-05-14 Tugba Erpek , Timothy J. O'Shea , Yalin E. Sagduyu , Yi Shi , T. Charles Clancy

The performance analysis of wireless CSMA networks is notoriously difficult due to the intricate sensing and interference relationships among links. Even the fundamental problem of throughput characterization remains open when sensing and…

网络与互联网体系结构 · 计算机科学 2026-04-15 Xinghua Sun , Wenhai Lin , Ruike Zhou

Due to the exponential increase in wireless devices and a diversification of network services, unprecedented challenges, such as managing heterogeneous data traffic and massive access demands, have arisen in next-generation wireless…

网络与互联网体系结构 · 计算机科学 2024-12-17 Zhizhen Li , Xuanhao Luo , Mingzhe Chen , Chenhan Xu , Shiwen Mao , Yuchen Liu

We develop a general approach for designing scheduling policies for real-time traffic over wireless channels. We extend prior work, which characterizes a real-time flow by its traffic pattern, delay bound, timely-throughput requirement, and…

网络与互联网体系结构 · 计算机科学 2009-08-06 I-Hong Hou , P. R. Kumar

Even though channel assignment has been studied for years, the performance of most IEEE 802.11-based multi-hop wireless networks such as wireless sensor network (WSN), wireless mesh network (WMN), mobile ad hoc network (MANET) is limited by…

网络与互联网体系结构 · 计算机科学 2016-11-17 Weifeng Sun , Rong Cong , Feng Xia , Xiao Chen , Zhenquan Qin

This paper explores the feasibility of leveraging concepts from deep reinforcement learning (DRL) to enable dynamic resource management in Wi-Fi networks implementing distributed multi-user MIMO (D-MIMO). D-MIMO is a technique by which a…

Recently, it has been shown that CSMA-type random access algorithms can achieve the maximum possible throughput in ad hoc wireless networks. However, these algorithms assume an idealized continuous-time CSMA protocol where collisions can…

网络与互联网体系结构 · 计算机科学 2019-11-13 Jian Ni , Bo Tan , R. Srikant

Wireless Mesh network (WMN) is dynamically self-organizing and self-configured, with the nodes in the network automatically establishing an ad-hoc network and maintaining the mesh connectivity. The ability to use multiple-radios and…

网络与互联网体系结构 · 计算机科学 2013-05-14 Vinay Kapse , Urmila Shrawankar

In duty-cycled wireless sensor networks, deployed sensor nodes are usually put to sleep for energy efficiency according to sleep scheduling approaches. Any sleep scheduling scheme with its supporting protocols ensures that data can always…

网络与互联网体系结构 · 计算机科学 2012-07-12 Yun Wang , Peizhong Shi , Kai Li , Jie Wu

Developing an efficient spectrum access policy enables cognitive radios to dramatically increase spectrum utilization while ensuring predetermined quality of service levels for primary users. In this paper, modeling, performance analysis,…

信息论 · 计算机科学 2014-09-04 Hossein Shokri-Ghadikolaei , Carlo Fischione

CNNs and computational models of biological vision share some fundamental principles, which opened new avenues of research. However, fruitful cross-field research is hampered by conventional CNN architectures being based on spatially and…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Nergis Tomen , Silvia L. Pintea , Jan C. van Gemert

The increasing interest for ubiquitous networking, and the tremendous popularity gained by IEEE 802.11 Wireless Local Area Networks (WLANs) in recent years, is leading to very dense deployments where high levels of channel contention may…

网络与互联网体系结构 · 计算机科学 2018-12-27 Maddalena Nurchis , Boris Bellalta

This paper investigates the average throughput of a wireless powered communications system, where an energy constrained source, powered by a dedicated power beacon (PB), communicates with a destination. It is assumed that the PB is capable…

信息论 · 计算机科学 2016-11-18 Caijun Zhong , Xiaoming Chen , Zhaoyang Zhang , George Karagiannidis