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Generalized Degrees of Freedom (GDoF) are characterized for the symmetric $K$-user Multiple Input Multiple Output (MIMO) Interference Channel (IC) under the assumption that the channel state information at the transmitters (CSIT) is limited…

信息论 · 计算机科学 2017-11-02 Arash Gholami Davoodi , Syed Ali Jafar

Cell-free (CF) systems have the potential to fulfill the increasing performance demand of future wireless applications by employing distributed access points (APs) that transmit the information over the same time-frequency resources. Due to…

信息论 · 计算机科学 2024-10-08 A. Flores , R. C. de Lamare

Individual links in a wireless network may experience unequal fading coherence times due to differences in mobility or scattering environment, a practical scenario where the fundamental limits of communication have been mostly unknown. This…

信息论 · 计算机科学 2016-07-26 Mohamed Fadel , Aria Nosratinia

In this paper, we investigate the secure rate-splitting for the two-user multiple-input multiple-output (MIMO) broadcast channel with imperfect channel state information at the transmitter (CSIT) and a multiple-antenna jammer, where each…

信息论 · 计算机科学 2022-07-12 Tong Zhang , Dongsheng Chen , Na Li , Yufan Zhuang , Bojie Lv , Rui Wang

A new method for capacity and spectral efficiency increases is a full-duplex (FD) communication, where sending and receiving are done simultaneously. Hence, severe interference leaked from the transmitter to the receiver, which can disrupt…

信息论 · 计算机科学 2023-05-23 Mohammad Lari

We study distributed algorithms for adjusting beamforming vectors and receiver filters in multiple-input multiple-output (MIMO) interference networks, with the assumption that each user uses a single beam and a linear filter at the…

信息论 · 计算机科学 2010-03-26 Changxin Shi , Randall A. Berry , Michael L. Honig

Coordinated Multi-Point (CoMP) transmission is an infrastructural enhancement under consideration for next generation wireless networks. In this work, the capacity gain achieved through CoMP transmission is studied in various models of…

信息论 · 计算机科学 2013-10-10 Aly El Gamal , V. Sreekanth Annapureddy , Venugopal V. Veeravalli

We consider a $K$-user multiple-input single-output (MISO) broadcast channel (BC) where the channel state information (CSI) of user $i(i=1,2,\ldots,K)$ may be either perfect (P), delayed (D) or not known (N) at the transmitter with…

信息论 · 计算机科学 2013-11-27 Borzoo Rassouli , Chenxi Hao , Bruno Clerckx

The degrees of freedom (DoF) region of the 2-user multiple-antenna or MIMO (multiple-input, multiple-output) interference channel (IC) is studied under fast fading and the assumption of {\em delayed} channel state information (CSI) wherein…

信息论 · 计算机科学 2015-03-18 Chinmay S. Vaze , Mahesh K. Varanasi

Channel reciprocity in time-division duplexing (TDD) massive multiple-input multiple-output (MIMO) systems can be exploited to reduce the overhead required for the acquisition of channel state information (CSI). However, perfect reciprocity…

信息论 · 计算机科学 2018-03-08 De Mi , Mehrdad Dianati , Lei Zhang , Sami Muhaidat , Rahim Tafazolli

We analyze the high-SNR regime of the MxK Network MISO channel in which each transmitter has access to a different channel estimate, possibly with different precision. It has been recently shown that, for some regimes, this setting attains…

信息论 · 计算机科学 2021-10-12 Antonio Bazco-Nogueras , Paul de Kerret , David Gesbert , Nicolas Gresset

The benefit of multi-antenna receivers is investigated in wireless ad hoc networks, and the main finding is that network throughput can be made to scale linearly with the number of receive antennas nR even if each transmitting node uses…

信息论 · 计算机科学 2016-11-17 Nihar Jindal , Jeffrey G. Andrews , Steven Weber

The generalized degrees of freedom (GDoF) characterization of the symmetric K-user interference channel is obtained under finite precision channel state information at the transmitters (CSIT). The symmetric setting is where each cross…

信息论 · 计算机科学 2016-01-26 Arash Gholami Davoodi , Syed A. Jafar

We consider a $K$-user multiple-input single-output (MISO) broadcast channel (BC) where the channel state information (CSI) of user $i(i=1,2,\ldots,K)$ may be instantaneously perfect (P), delayed (D) or not known (N) at the transmitter with…

信息论 · 计算机科学 2016-01-28 Borzoo Rassouli , Chenxi Hao , Bruno Clerckx

Dual-Functional Radar-Communication (DFRC) systems have been investigated to manage the inter-system interference between radar and communication systems. However, the studies in literature often assume that the DFRC possesses perfect…

信号处理 · 电气工程与系统科学 2022-01-27 Rafael Cerna Loli , Onur Dizdar , Bruno Clerckx

Considering a two-user multi-antenna Broadcast Channel, this paper shows that linearly precoded Rate-Splitting (RS) with Successive Interference Cancellation (SIC) receivers is a flexible framework for non-orthogonal transmission that…

信息论 · 计算机科学 2019-06-12 Bruno Clerckx , Yijie Mao , Robert Schober , H. Vincent Poor

For the two-user multiple-input multiple-output (MIMO) broadcast channel with delayed channel state information at the transmitter (CSIT) and arbitrary antenna configurations, all the degrees-of-freedom (DoF) regions are obtained. However,…

信息论 · 计算机科学 2021-01-01 Tong Zhang , Rui Wang

Multiple-input multiple-output (MIMO) and multiple-input single-output (MISO) schemes have yielded promising results in free space optical (FSO) communications by providing diversity against fading of the received signal intensity. In this…

信号处理 · 电气工程与系统科学 2020-09-02 Muhammad Salman Bashir , Mohamed-Slim Alouini

This paper studies the concept of jointly utilizing the data information(DI)and channel state information (CSI) in order to design symbol-level precoders for a multiple input and single output (MISO) downlink channel. In this direction, the…

信息论 · 计算机科学 2015-05-14 Maha Alodeh , Symeon Chatzinotas , Bjorn Ottersten

This paper considers a $K$-user multiple-input single-output (MISO) interference channels for simultaneous wireless information and power transfer (SWIPT), where each multi-antenna transmitter serves a single-antenna receiver per user pair.…

信息论 · 计算机科学 2017-10-31 Feng Wang , Tao Peng , Yongwei Huang