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This paper considers a cell-free integrated sensing and communication (ISAC) MIMO system, where distributed MIMO access points (APs) jointly serve the communication users and sense the target. For this setup, we derive a sensing SNR for…

信息论 · 计算机科学 2024-02-26 Umut Demirhan , Ahmed Alkhateeb

In this paper, a simple memory limited transmitter for molecular communication is proposed, in which information is encoded in the diffusion rate of the molecules. Taking advantage of memory, the proposed transmitter reduces the ISI problem…

In diffusion-based molecular communication, information is transferred from a transmitter to a receiver using molecular carriers. The low achievable data rate is the main disadvantage of diffusion-based molecular over radio-based…

新兴技术 · 计算机科学 2018-09-18 Tayyebeh Jahani-Nezhad , Foroogh S. Tabataba

In cellular Orthogonal Frequency Division Multiplexing (OFDM) networks, Co-Channel Interference (CCI) leads to severe degradation in the BER performance. To solve this problem, Maximum-Likelihood Estimation (MLE) CCI cancellation scheme has…

信息论 · 计算机科学 2009-12-10 Manar Mohaisen , KyungHi Chang

Power talk is a novel concept for communication among control units in MicroGrids (MGs), carried out without a dedicated modem, but by using power electronics that interface the common bus. The information is transmitted by modulating the…

Considering the exponential growth of Internet-of-Things devices and the goals toward sustainable networks, the complexity should be focused on the infrastructure side. For a massive number of passive devices, backscatter communication (BC)…

信号处理 · 电气工程与系统科学 2024-11-14 Ahmet Kaplan , Diana P. M. Osorio , Erik G. Larsson

This letter introduces a novel algorithm for generating codebooks in molecular communications (MC). The proposed algorithm utilizes character entropy to effectively mitigate inter-symbol interference (ISI) during MC via diffusion. Based on…

信息论 · 计算机科学 2023-06-07 Haewoong Hyun Changmin Lee , Miaowen Wen , Sang-Hyo Kim , Chan-Byoung Chae

A novel multistatic multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system in cellular networks is proposed. It can make use of widespread base stations (BSs) to perform cooperative sensing in wide area.…

信号处理 · 电气工程与系统科学 2023-05-23 Zixiang Han , Lincong Han , Xiaozhou Zhang , Yajuan Wang , Liang Ma , Mengting Lou , Jing Jin , Guangyi Liu

This paper studies the mitigation of intersymbol interference in a diffusive molecular communication system using enzymes that freely diffuse in the propagation environment. The enzymes form reaction intermediates with information molecules…

信息论 · 计算机科学 2014-01-21 Adam Noel , Karen C. Cheung , Robert Schober

This paper explores the co-existence of a macro cell and a small cell for heterogeneous cellular networks, where a macro base station (MBS) and small base station (SBS) transmit to respective macro user (MU) and small user (SU) through…

信息论 · 计算机科学 2018-07-25 Yulong Zou

In diffusion-based communication, as for molecular systems, the achievable data rate is low due to the stochastic nature of diffusion which exhibits a severe inter-symbol-interference (ISI). Multiple-Input Multiple-Output (MIMO)…

信息论 · 计算机科学 2019-04-26 S. M. Reza Rouzegar , Umberto Spagnolini

We investigate the performance of a scheduling algorithm where the Mobile Terminals (MTs) may be turned off if they cause a level of interference greater than a given threshold. This approach, which is referred to as Interference Aware…

信息论 · 计算机科学 2024-10-30 F. J. Martin-Vega , M. C. Aguayo-Torres , G. Gomez , M. Di Renzo

One of key 5G scenarios is that device-to-device (D2D) and massive multiple-input multiple-output (MIMO) will be co-existed. However, interference in the uplink D2D underlaid massive MIMO cellular networks needs to be coordinated, due to…

信息论 · 计算机科学 2017-05-30 Anqi He , Lifeng Wang , Yue Chen , Kai-Kit Wong , Maged Elkashlan

To enable densely deployed base stations (BSs) or access points (APs) to serve an increasing number of users and provide diverse mobile services, we need to improve spectrum utilization in wireless communication networks. Although spectral…

信息论 · 计算机科学 2017-12-22 Zhao Li , Fengjuan Guo , Kang G Shin , Yinghou Liu , Jia Liu

This correspondence studies the downlink transmission in a multi-cell system, where multiple base stations (BSs) each with multiple antennas cooperatively design their respective transmit beamforming vectors to optimize the overall system…

信息论 · 计算机科学 2015-05-14 Rui Zhang , Shuguang Cui

Bistatic sensing refers to scenarios where the transmitter (illuminating the target) and the sensing receiver (estimating the target state) are physically separated, in contrast to monostatic sensing, where both functions are co-located. In…

信息论 · 计算机科学 2025-03-06 Tian Jiao , Kai Wan , Zhiqiang Wei , Yanlin Geng , Yonglong Li , Zai Yang , Giuseppe Caire

Molecular communication via diffusion (MCvD) is a method of achieving nano- and micro-scale connectivity by utilizing the free diffusion mechanism of information molecules. The randomness in diffusive propagation is the main cause of…

新兴技术 · 计算机科学 2020-04-09 Mustafa Can Gursoy , H. Birkan Yilmaz , Ali Emre Pusane , Tuna Tugcu

This paper proposes a novel transmission strategy, referred to as cocktail BPSK, where two independent BPSK symbols are layered with various weights to be transmitted and, capitalizing on the cross power utilization, will be demodulated at…

信息论 · 计算机科学 2018-10-01 Bingli Jiao , Yuli Yang , Mingxi Yin

In this paper, we investigate downlink power control in massive multiple-input multiple-output (MIMO) networks with distributed antenna arrays. The base station (BS) in each cell consists of multiple antenna arrays, which are deployed in…

信息论 · 计算机科学 2020-01-14 Noman Akbar , Emil Björnson , Erik G. Larsson , Nan Yang

In this paper, we design matched filters for diffusive molecular communication systems taking into account the following impairments: signal-dependent diffusion noise, inter-symbol interference (ISI), and external interfering molecules. The…

信息论 · 计算机科学 2017-05-05 Vahid Jamali , Arman Ahmadzadeh , Robert Schober