Results 31 to 40 of about 26,068 (175)

Joint Time Index Modulation and Receive Antenna Selection for RIS-Aided Communications

open access: yesIEEE Access, 2023
In this paper, a novel design, named after time index modulation (TIM) with reconfigurable intelligent surface (RIS)-aided receive antenna selection (RAS), is proposed to improve the spectral efficiency (SE) and the bit error rate (BER) performance.
Fuchun Huang, Guangyu Wu, Xiaopin Wang
doaj   +1 more source

MC-CDMA aided multi-user space-time shift keying in wideband channels [PDF]

open access: yes, 2013
In this paper, we propose multi-carrier code division multiple access (MC-CDMA)-aided space-time shift keying (STSK) for mitigating the performance erosion of the classic STSK scheme in dispersive channels, while supporting multiple users.
Chen, Sheng   +3 more
core   +1 more source

Cooperative Relaying with CPFSK and Distributed Space-Time Trellis Codes [PDF]

open access: yes, 2008
Cooperative relaying allows single antenna users to achieve diversity and coding gains by utilizing nearby users' transmitting capabilities. We consider a relay system employing constant envelope continuous phase frequency shift keying. Distributed space-
Martin, P.A., Maw, R.L., Taylor, D.P.
core   +4 more sources

Trellis-Coded Space–Time Shift Keying

open access: yesIEEE Transactions on Communications, 2018
In this paper, we investigate a trellis-coded space shift keying modulation scheme, called trellis-coded space–time shift keying (TC-STSK), which combines trellis-coded modulation with space shift keying. By analyzing the rank criterion using a graph theoretic approach, we maximize the number of unique differences between pairwise codewords as the code
Husam Elfadil   +3 more
openaire   +1 more source

Reduced-RF-Chain Aided Soft-Decision Multi-Set Steered Space-Time Shift-Keying for Millimeter-Wave Communications

open access: yesIEEE Access, 2017
Soft-decision-aided multi-set steered space-time shift keying intrinsically amalgamated with channel coding is proposed in order to attain near capacity-performance.
Ibrahim A. Hemadeh   +4 more
doaj   +1 more source

Hierarchical Multi-Functional Layered Spatial Modulation

open access: yesIEEE Access, 2018
In pursuit of optimal index modulation -aided multiple-input multiple-output (MIMO) systems, where information is implicitly conveyed by relying on the on/off mechanism of the system's components in addition to the classical amplitude, phase, or ...
Ibrahim A. Hemadeh   +2 more
doaj   +1 more source

Area spectral efficiency of soft-decision space–time–frequency shift-keying-aided slow-frequency-hopping multiple access [PDF]

open access: yes, 2012
Slow-frequency-hopping multiple access (SFHMA) can provide inherent frequency diversity and beneficially randomize the effects of cochannel interference.
Hanzo, Lajos, Ngo, Hoang Anh
core   +1 more source

Packet-Reliability-Based Decode-and-Forward Distributed Space-Time Shift Keying [PDF]

open access: yes2010 IEEE Global Telecommunications Conference GLOBECOM 2010, 2010
Motivated by the recent concept of Space-Time Shift Keying (STSK), we propose a novel cooperative STSK scheme, which is capable of achieving a flexible rate-diversity tradeoff, in the context of cooperative space-time transmissions. More specifically, in our cooperative STSK scheme each Relay Node (RN) activates Decode-and-Forward (DF) transmissions ...
Sugiura S., Chen S., Hanzo L.
openaire   +2 more sources

Compressed Sensing-Aided Index Modulation Improves Space-Time Shift Keying Assisted Millimeter-Wave Communications

open access: yesIEEE Access, 2018
In this treatise, we present the concept of compressed-sensing (CS)-aided space-time shift keying index modulation (STSK-IM), where a virtual domain orthogonal frequency division multiplexing (OFDM) symbol is divided into Na-sized blocks, which carry K ...
Ibrahim A. Hemadeh   +3 more
doaj   +1 more source

Reconfigurable Intelligent Surface-assisted Space-Time Shift Keying

open access: yes, 2022
Abstract Reconfigurable Intelligent Surface (RIS), which improves the performance of wireless communication systems by controlling the reflection/scattering characteristics of incident waves without increasing energy consumption, appears as a promising candidate for future wireless communication systems.
jiayu Liu   +5 more
openaire   +1 more source

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