TUTCRIS - Tampereen teknillinen yliopisto

TUTCRIS

Analyzing Effects of Directional Deafness on mmWave Channel Access in Unlicensed Bands

Tutkimustuotosvertaisarvioitu

Yksityiskohdat

AlkuperäiskieliEnglanti
Otsikko2017 IEEE Globecom Workshops, GC Wkshps 2017 - Proceedings
KustantajaIEEE
Sivut1-7
Sivumäärä7
ISBN (elektroninen)9781538639207
DOI - pysyväislinkit
TilaJulkaistu - 24 tammikuuta 2018
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
Tapahtuma IEEE Global Telecommunications Conference - Singapore, Singapore
Kesto: 4 joulukuuta 20178 joulukuuta 2017

Conference

Conference IEEE Global Telecommunications Conference
MaaSingapore
KaupunkiSingapore
Ajanjakso4/12/178/12/17

Tiivistelmä

Directional deafness problem is one of the most important challenges in beamforming-based channel access at mmWave frequencies, which is believed to have detrimental effects on system performance in form of excessive delays and significant packet drops. In this paper, we contribute a quantitative analysis of deafness in directional random access systems operating in unlicensed bands by relying on stochastic geometry formulations. We derive a general numerical approach that captures the behavior of deafness probability as well as provide a closed-form solution for a typical sector-shaped antenna model, which is then may be extended to a more realistic two-sector pattern. Finally, employing contemporary IEEE 802.11ad modeling numerology, we illustrate our analysis revealing the importance of deafness-related considerations and their system- level impact.