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相关论文: Design and Optimization of Cooperative Sensing Wit…

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In this paper, we consider a cooperative sensing framework in the context of future multi-functional network with both communication and sensing ability, where one base station (BS) serves as a sensing transmitter and several nearby BSs…

信息论 · 计算机科学 2024-12-18 Mingxin Chen , Ming-Min Zhao , An Liu , Min Li , Qingjiang Shi

This paper considers networked sensing in cellular network, where multiple base stations (BSs) first compress their received echo signals from multiple targets and then forward the quantized signals to the central unit (CU) via…

信号处理 · 电气工程与系统科学 2024-09-09 Weifeng Zhu , Shuowen Zhang , Liang Liu

With the support of integrated sensing and communication (ISAC) technology, mobile communication system will integrate the function of wireless sensing, thereby facilitating new intelligent applications such as smart city and intelligent…

信号处理 · 电气工程与系统科学 2023-08-15 Zhiqing Wei , Ruizhong Xu , Zhiyong Feng , Huici Wu , Ning Zhang , Wangjun Jiang , Xiaoyu Yang

We consider wireless backhauling for a scenario where two small-cell base stations (SC-BSs) employ the same time and frequency resources for offloading their data to a common macro-cell base station (MC-BS). The two SC-BSs allocate a part…

信息论 · 计算机科学 2016-12-20 Vahid Jamali , Nikola Zlatanov , Robert Schober

Multi-cell cooperative processing with limited backhaul traffic is studied for cellular uplinks. Aiming at reduced backhaul overhead, a sparsity-regularized multi-cell receive-filter design problem is formulated. Both unstructured…

信息论 · 计算机科学 2015-10-16 Swayambhoo Jain , Seung-Jun Kim , Georgios B. Giannakis

Wireless content caching in small cell networks (SCNs) has recently been considered as an efficient way to reduce the traffic and the energy consumption of the backhaul in emerging heterogeneous cellular networks (HetNets). In this paper,…

网络与互联网体系结构 · 计算机科学 2016-01-05 Zheng Chen , Jemin Lee , Tony Q. S. Quek , Marios Kountouris

This paper proposes prediction-and-sensing based spectrum sharing, a new spectrum-sharing model for cognitive radio networks, with a time structure for each resource block divided into a spectrum prediction-and-sensing phase and a data…

信息论 · 计算机科学 2017-07-25 Van-Dinh Nguyen , Oh-Soon Shin

Cognitive radio and dynamic spectrum access represent a new paradigm shift in more effective use of limited radio spectrum. One core component behind dynamic spectrum access is the sensing of primary user activity in the shared spectrum.…

信息论 · 计算机科学 2016-11-17 Shunqing Zhang , Tianyu Wu , Vincent K. N. Lau

As the capacity demand of mobile applications keeps increasing, the backhaul network is becoming a bottleneck to support high quality of experience (QoE) in next-generation wireless networks. Content caching at base stations (BSs) is a…

信息论 · 计算机科学 2015-09-03 Xi Peng , Juei-Chin Shen , Jun Zhang , Khaled B. Letaief

The large amount of deployed smart devices put tremendous traffic pressure on networks. Caching at the edge has been widely studied as a promising technique to solve this problem. To further improve the successful transmission probability…

信息论 · 计算机科学 2021-01-25 Tianming Feng , Shuo Shi , Shushi Gu , Ning Zhang , Wei Xiang , Xuemai Gu

In this paper, we propose a novel wireless caching scheme to enhance the physical layer security of video streaming in cellular networks with limited backhaul capacity. By proactively sharing video data across a subset of base stations…

信息论 · 计算机科学 2017-11-08 Lin Xiang , Derrick Wing Kwan Ng , Robert Schober , Vincent W. S. Wong

We consider a cooperative Gaussian interference channel in which each receiver must decode its intended message locally, with the help of cooperation either at the receivers side or at the transmitter side. In the case of receiver…

信息论 · 计算机科学 2015-10-07 Vasilis Ntranos , Mohammad Ali Maddah-Ali , Giuseppe Caire

Obtaining accurate global channel state information (CSI) at multiple transmitter devices is critical to the performance of many coordinated transmission schemes. Practical CSI local feedback often leads to noisy and partial CSI estimates…

信息论 · 计算机科学 2017-03-22 Qianrui Li , David Gesbert , Nicolas Gresset

This paper addresses cooperation in a multicell environment where base stations (BSs) wish to jointly serve multiple users, under a constrained-capacity backhaul. We point out that for finite backhaul capacity a trade-off between sharing…

信息论 · 计算机科学 2015-05-27 Randa Zakhour , David Gesbert

In this paper, a cooperative spectrum sensing scheme based on compressive sensing is proposed. In this scheme, secondary users (SUs) are organized in clusters. In each cluster, SUs forward their compressed signals to the cluster head. Then,…

信息论 · 计算机科学 2019-12-12 Fatima Salahdine , Elias Ghribi , Naima Kaabouch

Most works on cell-free massive multiple-input multiple-output (MIMO) consider non-cooperative precoding strategies at the base stations (BSs) to avoid extensive channel state information (CSI) exchange via backhaul signaling. However,…

信息论 · 计算机科学 2020-10-14 Italo Atzeni , Bikshapathi Gouda , Antti Tölli

Base station cooperation in heterogeneous wireless networks (HetNets) is a promising approach to improve the network performance, but it also imposes a significant challenge on backhaul. On the other hand, caching at small base stations…

信息论 · 计算机科学 2017-01-23 Wanli Wen , Ying Cui , Fu-Chun Zheng , Shi Jin , Yanxiang Jiang

In a multistatic cloud radar system, receive sensors measure signals sent by a transmit element and reflected from a target and possibly clutter, in the presence of interference and noise. The receive sensors communicate over non-ideal…

信息论 · 计算机科学 2016-01-13 Seongah Jeong , Shahrouz Khalili , Osvaldo Simeone , Alexander Haimovich , Joonhyuk Kang

We consider a backhaul-constrained coordinated cellular network. That is, a single-frequency network with $N+1$ multi-antenna base stations (BSs) that cooperate in order to decode the users' data, and that are linked by means of a common…

信息论 · 计算机科学 2008-02-07 Aitor del Coso , Sebastien Simoens

Addressing the communication and sensing demands of sixth-generation (6G) mobile communication system, integrated sensing and communication (ISAC) has garnered traction in academia and industry. With the sensing limitation of single base…

信号处理 · 电气工程与系统科学 2024-09-17 Haotian Liu , Zhiqing Wei , Furong Yang , Huici Wu , Kaifeng Han , Zhiyong Feng
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