Full metadata record
DC FieldValueLanguage
dc.contributor.authorLu, Hsiao-feng (Francis)en_US
dc.contributor.authorBarreal, Amaroen_US
dc.contributor.authorKarpuk, Daviden_US
dc.contributor.authorHollanti, Camillaen_US
dc.date.accessioned2019-04-03T06:42:02Z-
dc.date.available2019-04-03T06:42:02Z-
dc.date.issued2016-05-05en_US
dc.identifier.issn1687-6180en_US
dc.identifier.urihttp://dx.doi.org/10.1186/s13634-016-0334-2en_US
dc.identifier.urihttp://hdl.handle.net/11536/133778-
dc.description.abstractThree transmission schemes over a new type of multiple-access channel (MAC) model with inter-source communication links are proposed and investigated in this paper. This new channel model is well motivated by, e.g., wireless distributed storage networks, where communication to repair a lost node takes place from helper nodes to a repairing node over a wireless channel. Since in many wireless networks nodes can come and go in an arbitrary manner, there must be an inherent capability of inter-node communication between every pair of nodes. Assuming that communication is possible between every pair of helper nodes, the newly proposed schemes are based on various smart time-sharing and relaying strategies. In other words, certain helper nodes will be regarded as relays, thereby converting the conventional uncooperative multiple-access channel to a multiple-access relay channel (MARC). The diversity-multiplexing gain tradeoff (DMT) of the system together with efficient sphere-decodability and low structural complexity in terms of the number of antennas required at each end is used as the main design objectives. While the optimal DMT for the new channel model is fully open, it is shown that the proposed schemes outperform the DMT of the simple time-sharing protocol and, in some cases, even the optimal uncooperative MAC DMT. While using a wireless distributed storage network as a motivating example throughout the paper, the MAC transmission techniques proposed here are completely general and as such applicable to any MAC communication with inter-source communication links.en_US
dc.language.isoen_USen_US
dc.subjectDistributed communicationsen_US
dc.subjectDistributed storage systemsen_US
dc.subjectDiversity-multiplexing gain tradeoffen_US
dc.subjectMIMOen_US
dc.subjectMultiple-access channelen_US
dc.subjectRelay channelen_US
dc.subjectSphere decodingen_US
dc.subjectWireless networksen_US
dc.titleEfficiently sphere-decodable physical layer transmission schemes for wireless storage networksen_US
dc.typeArticleen_US
dc.identifier.doi10.1186/s13634-016-0334-2en_US
dc.identifier.journalEURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSINGen_US
dc.citation.spage0en_US
dc.citation.epage0en_US
dc.contributor.department電機工程學系zh_TW
dc.contributor.departmentDepartment of Electrical and Computer Engineeringen_US
dc.identifier.wosnumberWOS:000376688400001en_US
dc.citation.woscount0en_US
Appears in Collections:Articles


Files in This Item:

  1. cd6044bb7fc3aab38efc475e3794dd09.pdf

If it is a zip file, please download the file and unzip it, then open index.html in a browser to view the full text content.