On enhancing throughput performance of Wi-Fi Networks: Combining coordinated AP and mmWave bands

Neelakantan Nurani Krishnan, Ivan Seskar, Narayan Mandayam

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper studies the performance of dense Wi-Fi networks, operating in mmWave (60 GHz) bands, implementing a distributed multi-user MIMO architecture (referred to as D-MIMO hereon) and compares it with state-of-the-art wireless access points (AP) with co-located antennas (referred to as baseline). This technique is also known in the current literature as coordinated AP or multi-AP. Results from extensive network simulations reveal an enhancement of up to 395% in average station (STA) throughput and a reduction of 75% in channel access delay with D-MIMO compared to baseline. The simulations further showcase an interesting behavior wherein a STA achieves very high modulation and coding scheme indices more number of times with baseline compared to D-MIMO, especially when the STA is located close to an AP. This phenomenon can be ascribed to two causes: i) a higher probability of line-of-sight of the short distance AP-STA link (that favors baseline), and ii) a ramification of the use of zero-forcing precoding to cancel inter-STA interference in D-MIMO. This observation motivates the design of future networks as hybrids of baseline and D-MIMO arrangements.

Original languageEnglish (US)
Title of host publication2021 IEEE 18th Annual Consumer Communications and Networking Conference, CCNC 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728197944
DOIs
StatePublished - Jan 9 2021
Externally publishedYes
Event18th IEEE Annual Consumer Communications and Networking Conference, CCNC 2021 - Virtual, Las Vegas, United States
Duration: Jan 9 2021Jan 13 2021

Publication series

Name2021 IEEE 18th Annual Consumer Communications and Networking Conference, CCNC 2021

Conference

Conference18th IEEE Annual Consumer Communications and Networking Conference, CCNC 2021
Country/TerritoryUnited States
CityVirtual, Las Vegas
Period1/9/211/13/21

All Science Journal Classification (ASJC) codes

  • Artificial Intelligence
  • Computer Networks and Communications
  • Computer Vision and Pattern Recognition

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