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Space-Time Super-Modulation: Concept, Design Rules, and its Application to Joint Medium Access and Rateless Transmission

Nikitopoulos, Konstantinos, Mehran, Farhad and Jafarkhani, H (2017) Space-Time Super-Modulation: Concept, Design Rules, and its Application to Joint Medium Access and Rateless Transmission IEEE Transactions on Wireless Communications.

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We introduce the concept of Space-Time Super-Modulation according to which additional lowrate and highly reliable information can be transmitted on top of traditionally modulated and spacetime encoded information, without increasing the transmitted block length or degrading their error-rate performance. This is achieved by exploiting the temporal redundancy introduced by the space-time block codes and, specifically, by efficiently mapping transmission patterns to specific information content. We show that Space-Time Super-Modulation can be efficiently used in the context of machine-type communications to enable “one-shot”, “grant-free" joint medium access and rateless data transmission while reducing or even eliminating the need for transmitting preamble sequences. As a result, compared with traditional approaches that use correlatable preamble sequences or encoded preambles to transmit the signature information of transmitted packets, Space-Time Super-Modulation can achieve significant throughput gains. For example, we show up to 35% throughput gains from the second best examined preamble-based scheme when transmitting blocks of 200 bits.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Date : 27 November 2017
Copyright Disclaimer : (c) 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Uncontrolled Keywords : Multiple-input multiple-output (MIMO), Space-time block coding (STBC), Machine-type communications (MTCs), Multilevel codes.
Depositing User : Melanie Hughes
Date Deposited : 27 Sep 2017 10:29
Last Modified : 27 Sep 2017 10:29

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