Degrees of Freedom of Multiple Broadcast Channels in the Presence of Inter-Cell Interference
DC Field | Value | Language |
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dc.contributor.author | Park, Seok-Hwan | - |
dc.contributor.author | Lee, Inkyu | - |
dc.date.accessioned | 2021-09-07T12:58:58Z | - |
dc.date.available | 2021-09-07T12:58:58Z | - |
dc.date.created | 2021-06-14 | - |
dc.date.issued | 2011-05 | - |
dc.identifier.issn | 0090-6778 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/112580 | - |
dc.description.abstract | In this paper, we provide lower and upper bounds for the number of degree of freedom (DOF) of B multiple-input single-output (MISO) broadcast channels (BC) where each base station (BS) equipped with M antennas supports its corresponding K single antenna users suffering from inter-cell interference. The sufficient and neccessary condition for tightness of two bounds is presented. From the derived result, it can be observed that in-cell receiver cooperation does not help in most of the cases in a multiple-input multiple-output (MIMO) interference channel (IFC) except for one special case. Even for that special case, the DOFs with and without in-cell receive cooperation approach the same value for large K. Also, in a MIMO IFC with symmetric antenna settings (i.e., M = K), if both transmit and receive cooperations are removed to make it a single-input single-output (SISO) IFC, we show that the DOF is not affected. In addition, the DOF is studied for two mutually interfering broadcast channels in the presence of a cognitive BS. We obtain an interesting result that disabling in-cell receive cooperation of the MIMO IFC causes no DOF loss if at least one of two transmitters is a cognitive BS. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | - |
dc.subject | ALIGNMENT | - |
dc.title | Degrees of Freedom of Multiple Broadcast Channels in the Presence of Inter-Cell Interference | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Lee, Inkyu | - |
dc.identifier.doi | 10.1109/TCOMM.2011.031611.090428 | - |
dc.identifier.scopusid | 2-s2.0-79956286600 | - |
dc.identifier.wosid | 000290628200032 | - |
dc.identifier.bibliographicCitation | IEEE TRANSACTIONS ON COMMUNICATIONS, v.59, no.5, pp.1481 - 1487 | - |
dc.relation.isPartOf | IEEE TRANSACTIONS ON COMMUNICATIONS | - |
dc.citation.title | IEEE TRANSACTIONS ON COMMUNICATIONS | - |
dc.citation.volume | 59 | - |
dc.citation.number | 5 | - |
dc.citation.startPage | 1481 | - |
dc.citation.endPage | 1487 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalResearchArea | Telecommunications | - |
dc.relation.journalWebOfScienceCategory | Engineering, Electrical & Electronic | - |
dc.relation.journalWebOfScienceCategory | Telecommunications | - |
dc.subject.keywordPlus | ALIGNMENT | - |
dc.subject.keywordAuthor | Interference mitigation | - |
dc.subject.keywordAuthor | degrees of freedom | - |
dc.subject.keywordAuthor | multi-cell | - |
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