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相关论文: D2D-Aided Multi-Antenna Multicasting under General…

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Millimeter wave (mmWave) device to device (D2D) communication is highly susceptible to obstacles due to severe penetration losses and requires almost a line of sight (LOS) communication path. D2D channel condition is local to devices/user…

网络与互联网体系结构 · 计算机科学 2020-02-13 Durgesh Singh , Arpan Chattopadhyay , Sasthi C. Ghosh

In the present work, a multibeam satellite that employs aggressive frequency reuse towards increasing the offered throughput is considered. Focusing on the forward link, the goal is to employ multi-antenna signal processing techniques,…

信息论 · 计算机科学 2016-11-17 Dimitrios Christopoulos , Symeon Chatzinotas , Bjorn Ottersten

This paper investigates user equipment (UE) assisted device-free networked sensing in the sixth-generation (6G) integrated sensing and communication (ISAC) system, where one base station (BS) and multiple UEs, such as unmanned aerial…

信号处理 · 电气工程与系统科学 2025-02-06 Xianzhen Guo , Qin Shi , Shuowen Zhang , Chengwen Xing , Liang Liu

Multicasting is the general method of conveying the same information to multiple users over a broadcast channel. In this work, the Gaussian MIMO broadcast channel is considered, with multiple users and any number of antennas at each node. A…

信息论 · 计算机科学 2012-05-31 Idan Livni , Anatoly Khina , Ayal Hitron , Uri Erez

Caching at mobile devices and leveraging device-to-device (D2D) communication are two promising approaches to support massive content delivery over wireless networks. Analysis of such D2D caching networks based on a physical interference…

信息论 · 计算机科学 2020-03-10 Ramy Amer , M. Majid Butt , Nicola Marchetti

To keep pace with the rapid growth of mobile traffic demands, dense deployment of small cells in millimeter wave (mmWave) bands has become a promising candidate for next generation wireless communication systems. With a greatly increased…

网络与互联网体系结构 · 计算机科学 2017-12-15 Yong Niu , Yu Liu , Yong Li , Xinlei Chen , Zhangdui Zhong , Zhu Han

In this paper, we consider the use of cross-layer network coding (CLNC), caching, and device-to-device (D2D) communications to jointly optimize the delivery of a set of popular contents to a set of user devices (UDs). In the considered D2D…

信息论 · 计算机科学 2021-01-20 Mohammed S. Al-Abiad , Md. Zoheb Hassan , Md. Jahangir Hossain

Cellular network performance can significantly benefit from direct device-to-device (D2D) communication, but interference from cochannel D2D communication limits the performance gain. In hybrid networks consisting of D2D and cellular links,…

信息论 · 计算机科学 2014-12-16 Qiaoyang Ye , Mazin Al-Shalash , Constantine Caramanis , Jeffrey G. Andrews

Current State-of-the-Art High Throughput Satellite systems provide wide-area connectivity through multi-beam architectures. However, due to the tremendous system throughput requirements that next generation Satellite Communications expect…

信息论 · 计算机科学 2017-07-03 Alessandro Guidotti , Alessandro Vanelli-Coralli , Giorgio Taricco , Guido Montorsi

In this paper, using the stochastic geometry theory, we present a framework for analyzing the performance of device-to-device (D2D) communications underlaid uplink (UL) cellular networks. In our analysis, we consider a D2D mode selection…

网络与互联网体系结构 · 计算机科学 2017-04-05 Junnan Yang , Ming Ding , Guoqiang Mao

Networks exploiting distributed integrated sensing and communication (DISAC) nodes can provide enhanced localization and sensing performance, further emphasized when operating with large arrays and bandwidths available in the upper mid-band…

信号处理 · 电气工程与系统科学 2025-10-01 Soroush Mesforush , Murat Bayraktar , Nuria González-Prelcic

This paper investigates the physical layer security issue of a device-to-device (D2D) underlaid cellular system with a multi-antenna base station (BS) and a multi-antenna eavesdropper. To investigate the potential of D2D communication in…

信息论 · 计算机科学 2018-09-11 Hao Xu , Cunhua Pan , Wei Xu , Jianfeng Shi , Ming Chen , Wei Heng

5G D2D Communication promises improvements in energy and spectral efficiency, overall system capacity, and higher data rates. However, to achieve optimum results it is important to select wisely the Transmission mode of the D2D Device to…

网络与互联网体系结构 · 计算机科学 2021-04-29 Iacovos Ioannou , Christophoros Christophorou , Vasos Vassiliou , Andreas Pitsillides

The integration of local device-to-device (D2D) communications and cellular connections has been intensively studied to satisfy co-existing D2D and cellular communication demand. In future cellular networks, there will be numerous standby…

信息论 · 计算机科学 2018-08-24 Jiajia Guo , Wei Yu , Jinhong Yuan

The constantly increasing demand for interactive broadband satellite communications is driving current research to explore novel system architectures that reuse frequency in a more aggressive manner. To this end, the topic of dual satellite…

信息论 · 计算机科学 2012-11-27 Dimitrios Christopoulos , Symeon Chatzinotas , Bjorn Ottersten

Multi-antenna coded caching is known to combine a global caching gain that is proportional to the cumulative cache size found across the network, with an additional spatial multiplexing gain that stems from using multiple transmitting…

Backward compatibility is an essential ingredient for the success of new technologies. In the context of in-band full-duplex (FD) communication, FD base stations (BSs) should support half-duplex (HD) users' equipment (UEs) without…

信息论 · 计算机科学 2016-04-21 Ahmad AlAmmouri , Hesham ElSawy , Mohamed-Slim Alouini

In this paper, we investigate the coexistence of two technologies that have been put forward for the fifth generation (5G) of cellular networks, namely, network-assisted device-to-device (D2D) communications and massive MIMO (multiple-input…

信息论 · 计算机科学 2016-08-04 Serveh Shalmashi , Emil Björnson , Marios Kountouris , Ki Won Sung , Mérouane Debbah

The basic idea of device-to-device (D2D) communication is that pairs of suitably selected wireless devices reuse the cellular spectrum to establish direct communication links, provided that the adverse effects of D2D communication on…

计算机科学与博弈论 · 计算机科学 2016-05-03 Setareh Maghsudi , Slawomir Stanczak

This paper considers coordinated multicast beamforming in a multi-cell wireless network. Each multiantenna base station (BS) serves multiple groups of single antenna users by generating a single beam with common data per group. The aim is…

信息论 · 计算机科学 2016-11-17 Harri Pennanen , Dimitrios Christopoulos , Symeon Chatzinotas , Björn Ottersten