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In this paper, a novel hybrid-duplex scheme based on received power is proposed for heterogeneous networks (HetNets). In the proposed scheme, the duplex mode (half- or full-duplex) of each user is switchable according to the received power…

Information Theory · Computer Science 2016-11-17 Weijun Tang , Suili Feng , Yuan Liu , Yuehua Ding

In this paper, we propose a distributed interference and channel-aware opportunistic access control technique for D2D underlaid cellular networks, in which each potential D2D link is active whenever its estimated signal-to-interference…

Networking and Internet Architecture · Computer Science 2014-10-13 Zheng Chen , Marios Kountouris

This paper proposes a joint transmitter-receiver design to minimize the weighted sum power under the post-processing signal-to-interference-and-noise ratio (post-SINR) constraints for all subchannels. Simulation results demonstrate that the…

Information Theory · Computer Science 2009-09-29 P. Ma , W. Wang , X. Zhao , K. Zheng

This paper proposes a spectrum selection scheme and a transmit power minimization scheme for a device-to-device (D2D) network cross-laid with a cloud radio access network (CRAN). The D2D communications are allowed as an overlay to the CRAN…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Isuru Janith Ranawaka , Kasun T. Hemachandra , Tharaka Samarasinghe , Theshani Nuradha

Opportunistic scheduling and beamforming schemes are proposed for multiuser MIMO-SDMA downlink systems with linear combining in this work. Signals received from all antennas of each mobile terminal (MT) are linearly combined to improve the…

Information Theory · Computer Science 2016-11-18 Man-On Pun , Visa Koivunen , H. Vincent Poor

Device-to-device (D2D) spectrum sharing in wireless communications is a challenging non-convex combinatorial optimization problem, involving entangled link scheduling and power control in a large-scale network. The state-of-the-art methods,…

Networking and Internet Architecture · Computer Science 2024-08-20 Zhiwei Shan , Xinping Yi , Le Liang , Chung-Shou Liao , Shi Jin

In this paper, we consider multiple channels and wireless nodes with multiple transceivers. Each node assigns one transmitter at each available channel. For each assigned transmitter the node decides the power level and data rate of…

Dynamical Systems · Mathematics 2011-10-31 Themistoklis Charalambous

This paper proposes a new power control and pilot allocation scheme for device-to-device (D2D) communication underlaying a multi-cell massive MIMO system. In this scheme, the cellular users in each cell get orthogonal pilots which are…

Information Theory · Computer Science 2018-11-05 Amin Ghazanfari , Emil Björnson , Erik G. Larsson

Device-to-device (D2D) technology enables direct communication between adjacent devices within cellular networks. Due to its high data rate, low latency, and performance improvement in spectrum and energy efficiency, it has been widely…

Networking and Internet Architecture · Computer Science 2024-10-07 Yang Yu , Xiaoqing Tang

We propose a decentralized access control scheme for interference management in D2D (device-to-device) underlaid cellular networks. Our method combines SIR-aware link activation with cellular exclusion regions in a case where D2D links…

Information Theory · Computer Science 2016-07-20 Zheng Chen , Marios Kountouris

In this paper, we consider device-to-device (D2D) communication that is underlaid in a multi-cell massive multiple-input multiple-output (MIMO) system and propose a new framework for power control and pilot allocation. In this scheme, the…

Information Theory · Computer Science 2019-03-07 Amin Ghazanfari , Emil Björnson , Erik G. Larsson

This paper addresses cooperative link scheduling problems for base station (BS) aided device-to-device (D2D) communications using limited channel state information (CSI) at BS. We first derive the analytical form of ergodic sum-spectral…

Signal Processing · Electrical Eng. & Systems 2023-12-15 Daeun Kim , Namyoon Lee

Device-to-device (D2D) communications can result in spectral efficiency (SE) improvement of cellular networks when interference is addressed properly. For further improvement of overall network sum-rate, it can be assumed that multiple D2D…

Information Theory · Computer Science 2021-12-21 Mohammad Hossein Bahonar , Mohammad Javad Omidi

This paper develops an innovative approach to the modeling and analysis of downlink cellular networks with device-to-device (D$2$D) transmissions. The analytical embodiment of the signal-to-noise and-interference ratio (SINR) analysis in…

Information Theory · Computer Science 2018-04-16 Imene Trigui , Sofiene Affes

In this paper, we propose a device to device (D2D) communication scenario underlaying a cellular network where both D2D and cellular users (CUs) are discrete power-rate systems with limited feedback from the receivers. It is assumed that…

Information Theory · Computer Science 2017-08-29 Faezeh Alavi , Nader Mokari , Mohammad R. Javan , Kanapathippillai Cumanan

Multi-User scheduling is a challenging problem under the relaying scenarios. Traditional schemes, which are based on the instantaneous signal-to-interference-plus-noises ratios (SINRs), cannot solve the inherent disparities of the qualities…

Information Theory · Computer Science 2018-02-23 Pihe Hu , Cheng Li , Dingjie Xu , Bin Xia

In this paper we consider the problem of communication scheduling in wireless networks with respect to the SINR(Signal to Interference plus Noise Ratio) constraint in metric spaces. The nodes are assigned linear powers, i.e. for each sender…

Networking and Internet Architecture · Computer Science 2011-07-26 Tigran Tonoyan

Device-to-device(D2D) underlaying communication brings great benefits to the cellular networks from the improvement of coverage and spectral efficiency at the expense of complicated transceiver design. With frequency spectrum sharing mode,…

Information Theory · Computer Science 2013-07-02 Jialiang Zhang , Gang Wu , Wenhui Xiong , Zhi Chen , Shaoqian Li

This paper provides the signal-to-interference-plus-noise ratio (SINR) complimentary cumulative distribution function (CCDF) and average data rate of the normalized SNR-based scheduling in an uplink cellular network using stochastic…

Information Theory · Computer Science 2018-02-08 Shotaro Kamiya , Koji Yamamoto , Seong-Lyun Kim , Takayuki Nishio , Masahiro Morikura

This paper proposes to deploy multiple reconfigurable intelligent surfaces (RISs) in device-to-device (D2D)-underlaid cellular systems. The uplink sum-rate of the system is maximized by jointly optimizing the transmit powers of the users,…

Information Theory · Computer Science 2021-08-24 Yashuai Cao , Tiejun Lv , Wei Ni , Zhipeng Lin
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