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Space-time shift keying: A unified MIMO architecture

Space-time shift keying: A unified MIMO architecture
Space-time shift keying: A unified MIMO architecture
In this paper, we propose a novel Space-Time Shift Keying (STSK) modulation scheme for Multiple-Input Multiple-Output (MIMO) communication systems, where the concept of Spatial Modulation (SM) is extended to include both the space and time dimensions, in order to provide a general shift keying framework. More specifically, in the proposed STSK scheme one out of Q dispersion matrices is activated during each transmitted block, which enables us to strike a flexible diversity and multiplexing tradeoff. This is achieved by optimizing both the space-time block duration as well as the number of the dispersion matrices in addition to the number of transmit and receive antennas. We will demonstrate that the resultant equivalent system model does not impose any Inter-Channel Interference (ICI), and hence the employment of single-stream Maximum Likelihood (ML) detection becomes realistic at a low-complexity. Furthermore, we propose a Differential STSK (DSTSK) scheme, assisted by the Cayley unitary transform, which does not require any Channel State Information (CSI) at the receiver. Naturally, dispensing with CSI is achieved at the cost of the usual error-doubling in comparison to Coherent STSK (CSTSK). Additionally, we introduce an enhanced CSTSK scheme, which avoids the requirement of Inter-Antenna Synchronization (IAS) between the RF chains associated with the transmit antenna elements by imposing a certain constraint on the dispersion matrix design.
5 pages
Sugiura, Shinya
4c8665dd-1ad8-4dc0-9298-bf04eded3579
Chen, Sheng
9310a111-f79a-48b8-98c7-383ca93cbb80
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Sugiura, Shinya
4c8665dd-1ad8-4dc0-9298-bf04eded3579
Chen, Sheng
9310a111-f79a-48b8-98c7-383ca93cbb80
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Sugiura, Shinya, Chen, Sheng and Hanzo, Lajos (2010) Space-time shift keying: A unified MIMO architecture. At IEEE GLOBECOM 2010 IEEE GLOBECOM 2010, United States. 06 - 10 Dec 2010. 5 pages.

Record type: Conference or Workshop Item (Paper)

Abstract

In this paper, we propose a novel Space-Time Shift Keying (STSK) modulation scheme for Multiple-Input Multiple-Output (MIMO) communication systems, where the concept of Spatial Modulation (SM) is extended to include both the space and time dimensions, in order to provide a general shift keying framework. More specifically, in the proposed STSK scheme one out of Q dispersion matrices is activated during each transmitted block, which enables us to strike a flexible diversity and multiplexing tradeoff. This is achieved by optimizing both the space-time block duration as well as the number of the dispersion matrices in addition to the number of transmit and receive antennas. We will demonstrate that the resultant equivalent system model does not impose any Inter-Channel Interference (ICI), and hence the employment of single-stream Maximum Likelihood (ML) detection becomes realistic at a low-complexity. Furthermore, we propose a Differential STSK (DSTSK) scheme, assisted by the Cayley unitary transform, which does not require any Channel State Information (CSI) at the receiver. Naturally, dispensing with CSI is achieved at the cost of the usual error-doubling in comparison to Coherent STSK (CSTSK). Additionally, we introduce an enhanced CSTSK scheme, which avoids the requirement of Inter-Antenna Synchronization (IAS) between the RF chains associated with the transmit antenna elements by imposing a certain constraint on the dispersion matrix design.

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More information

Published date: December 2010
Additional Information: Event Dates: 6-10 December
Venue - Dates: IEEE GLOBECOM 2010, United States, 2010-12-06 - 2010-12-10
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 271311
URI: https://eprints.soton.ac.uk/id/eprint/271311
PURE UUID: e1d9bfae-44f6-4d9b-b946-8af2f5940d92
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 26 Jun 2010 06:11
Last modified: 06 Jun 2018 13:15

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Contributors

Author: Shinya Sugiura
Author: Sheng Chen
Author: Lajos Hanzo ORCID iD

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