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This paper focuses on multiuser MIMO channel estimation and data transmission at millimeter wave (mmWave) frequencies. The proposed approach relies on the time-division-duplex (TDD) protocol and is based on two distinct phases. First of…

Information Theory · Computer Science 2017-04-25 Stefano Buzzi , Carmen D'Andrea

Optical interconnect is a potential solution to attain the large bandwidth on-chip communications needed in high performance computers in a low power and low cost manner. Mode-division multiplexing (MDM) is an emerging technology that…

Emerging Technologies · Computer Science 2017-08-02 Xinru Wu , Chaoran Huang , Ke Xu , Chester Shu , Hon Ki Tsang

Multidimensional generalized quadrature index modulation scheme is proposed in this paper for conveying extra digital information with the aid of the space, radio frequency (RF) mirrors, and time indices. Explicitly, this proposed scheme…

Information Theory · Computer Science 2021-03-16 Taissir Y. Elganimi , Khaled M. Rabie

An uplink system with a single antenna transmitter and a single receiver with a large number of antennas is considered. We propose an energy-detection-based single-shot noncoherent communication scheme which does not use the instantaneous…

Information Theory · Computer Science 2015-07-20 Alexandros Manolakos , Mainak Chowdhury , Andrea J. Goldsmith

Molecular Communications (MC) is a bio-inspired communication technique that uses molecules to encode and transfer information. Many efforts have been devoted to developing novel modulation techniques for MC based on various distinguishable…

Emerging Technologies · Computer Science 2023-02-22 M. Okan Araz , Ahmet R. Emirdagi , M. Serkan Kopuzlu , Murat Kuscu

Both antenna selection and spatial modulation allow for low-complexity MIMO transmitters when the number of RF chains is much lower than the number of transmit antennas. In this manuscript, we present a quantitative performance comparison…

Information Theory · Computer Science 2019-04-04 Bernhard Gäde , Ali Bereyhi , Saba Asaad , Ralf R. Müller

Space-division multiplexing is a promising technology in optical fibre communication to improve the transmission capacity of a single optical fibre. However, the number of channels that can be multiplexed is limited by the crosstalks…

Optics · Physics 2020-02-06 Pengfei Fan , Michael Ruddlesden , Yufei Wang , Luming Zhao , Chao Lu , Lei Su

In this paper, a multipath component aggregation (MCA) mechanism is introduced for spatial scattering modulation (SSM) to overcome the limitation in conventional SSM that the transmit antenna array steers the beam to a single multipath (MP)…

Information Theory · Computer Science 2023-04-06 Jiliang Zhang , Wei Liu , Alan Tennant , Weijie Qi , Jiming Chen , Jie Zhang

Although visionary applications of molecular communication (MC), such as long-term continuous health monitoring by cooperative in-body nanomachines, have been proposed, MC is still in its infancy when it comes to practical implementation.…

Index modulation (IM) is one of the candidate technologies for the upcoming sixth generation (6G) wireless communications networks. In this paper, we propose a space-time-modulated reconfigurable intelligent metasurface (RI-MTS) that is…

Applied Physics · Physics 2020-12-30 John A. Hodge , Kumar Vijay Mishra , Amir I. Zaghloul

A multiplicity of autonomous terminals simultaneously transmits data streams to a compact array of antennas. The array uses imperfect channel-state information derived from transmitted pilots to extract the individual data streams. The…

Information Theory · Computer Science 2012-05-23 Hien Quoc Ngo , Erik G. Larsson , Thomas L. Marzetta

Most communication systems use some form of feedback, often related to channel state information. The common models used in analyses either assume perfect channel state information at the receiver and/or noiseless state feedback links.…

Information Theory · Computer Science 2014-07-15 Vaneet Aggarwal , Ashutosh Sabharwal

The demands for high data rate, reliability, high energy efficiency, high spectral efficiency, and low latency communication have been increasing rapidly. For this reason, communication models that use limited resources in the best way,…

Signal Processing · Electrical Eng. & Systems 2022-11-16 Burak Ahmet Ozden , Erdogan Aydin , Fatih Cogen

We analyze a slow-fading interference network with MN non-cooperating single-antenna sources and M non-cooperating single-antenna destinations. In particular, we assume that the sources are divided into M mutually exclusive groups of N…

Information Theory · Computer Science 2007-10-09 J. Thukral , H. Bölcskei

Multiple transmit antennas in a downlink channel can provide tremendous capacity (i.e. multiplexing) gains, even when receivers have only single antennas. However, receiver and transmitter channel state information is generally required. In…

Information Theory · Computer Science 2011-11-09 Nihar Jindal

The focus of this paper is on beamforming in a millimeter-wave (mmW) multi-input multi-output (MIMO) setup that has gained increasing traction in meeting the high data-rate requirements of next-generation wireless systems. For a given MIMO…

Information Theory · Computer Science 2016-01-12 Vasanthan Raghavan , Sundar Subramanian , Juergen Cezanne , Ashwin Sampath

We study diversity in one-shot communication over molecular timing channels. In the considered channel model the transmitter simultaneously releases a large number of information particles, where the information is encoded in the time of…

Information Theory · Computer Science 2017-09-26 Yonathan Murin , Mainak Chowdhury , Nariman Farsad , Andrea Goldsmith

A new non-orthogonal multiple access scheme performing simultaneous transmission to multiple users characterized by different signal-to-noise ratios is proposed. Different users are multiplexed by storing their codewords into a multiplexing…

Information Theory · Computer Science 2015-01-29 Alberto G. Perotti , Branislav M. Popovic

Switch-based hybrid network is a promising implementation for beamforming in large-scale millimetre wave (mmWave) antenna arrays. By fully exploiting the sparse nature of the mmWave channel, such hybrid beamforming reduces complexity and…

Signal Processing · Electrical Eng. & Systems 2019-09-02 Hamed Nosrati , Elias Aboutanios , Xiangrong Wang , David Smith

The artificial noise (AN) aided multi-beam directional modulation (DM) technology is capable of wireless physical layer secure (PLS) transmissions for multiple desired receivers in free space. The application of AN, however, makes it less…

Signal Processing · Electrical Eng. & Systems 2019-08-14 Qian Cheng , Vincent Fusco , Jiang Zhu , Shilian Wang , Fanggang Wang