Generalized Space-Time Super-Modulation for Headerless Grant-Free Rateless Multiple Access
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Mehran, Farhad and Nikitopoulos, Konstantinos (2018) Generalized Space-Time Super-Modulation for Headerless Grant-Free Rateless Multiple Access In: IEEE Global Communications Conference 2018.
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Abstract
This work introduces Generalized Space-Time Super-Modulation (GSTSM), a generalization of the recently proposed Space-Time Super-Modulation scheme that enables the transmission of additional, highly-reliable information on the top of conventionally transmitted symbols, without increasing the corresponding packet length. GSTSM jointly exploits the spatial and temporal dimensions of multiple-antenna systems but, in contrast to the initially proposed approach, it does not require the use of space-time block codes. Instead, GSTSM jointly elaborates on the concepts of spatial modulation and spatial diversity, while intentionally introducing temporal correlation to the transmitted symbol sequence. In the context of machine-type communications, GSTSM enables one-shot and grant-free medium access without transmitting additional headers to convey each machine’s ID. As a result, we show that GSTSM can provide throughput gains of up to 2.5 X compared to conventional header-based schemes, even in the case of colliding packets.
| Item Type: | Conference or Workshop Item (Conference Paper) | |||||||||
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| Divisions : | Faculty of Engineering and Physical Sciences > Electronic Engineering | |||||||||
| Authors : |
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| Date : | 2018 | |||||||||
| Copyright Disclaimer : | © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, 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 component of this work in other works. | |||||||||
| Uncontrolled Keywords : | Multiple-input multiple-output (MIMO); Grantfree access; Spatial modulation; Multilevel codes; Machine-type communications (MTCs) | |||||||||
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| Depositing User : | Clive Harris | |||||||||
| Date Deposited : | 23 Jul 2018 09:45 | |||||||||
| Last Modified : | 09 Dec 2018 02:08 | |||||||||
| URI: | http://epubs.surrey.ac.uk/id/eprint/848764 |
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