Enhancement of HCCA utilizing capture effect to support high QoS and DCF friendliness

Masanori Kanda; Jiro Katto; Tutomu Murase

doi:10.1109/CCNC.2016.7444802

Enhancement of HCCA utilizing capture effect to support high QoS and DCF friendliness

Masanori Kanda, Jiro Katto, Tutomu Murase

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

With increase of mobile wireless LAN systems, frequency contamination by the overlapping basic service set (OBSS) becomes a critical issue. In this paper, we focus on HCF controlled channel access (HCCA) to alleviate the OBSS problem. HCCA considers single BSS (SBSS) environment only and suppresses traffic of co-existing DCF (distributed coordination function) based WiFi access points (APs). We propose two methods that utilize capture effects to improve the coexistence capability with DCF networks, that we call DCF friendliness. The first method adjusts transmission timing in HCCA WLAN by applying inter-AP coordination. The second method enables simultaneous communication with surrounding DCF WLANs by changing the frame interval of HCCA to DIFS+1 SlotTime. Simulations show that both the proposed method can achieve higher throughput and better DCF friendliness.

Original language	English
Title of host publication	2016 13th IEEE Annual Consumer Communications and Networking Conference, CCNC 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	335-338
Number of pages	4
ISBN (Print)	9781467392921
DOIs	https://doi.org/10.1109/CCNC.2016.7444802
Publication status	Published - 2016 Mar 30
Event	13th IEEE Annual Consumer Communications and Networking Conference, CCNC 2016 - Las Vegas, United States Duration: 2016 Jan 6 → 2016 Jan 13

Other

Other	13th IEEE Annual Consumer Communications and Networking Conference, CCNC 2016
Country	United States
City	Las Vegas
Period	16/1/6 → 16/1/13

Keywords

HCCA
HEW
OBSS
Wireless LAN

ASJC Scopus subject areas

Computer Science Applications
Computer Networks and Communications
Hardware and Architecture

Access to Document

10.1109/CCNC.2016.7444802

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Enhancement of HCCA utilizing capture effect to support high QoS and DCF friendliness. / Kanda, Masanori; Katto, Jiro; Murase, Tutomu.

2016 13th IEEE Annual Consumer Communications and Networking Conference, CCNC 2016. Institute of Electrical and Electronics Engineers Inc., 2016. p. 335-338 7444802.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kanda, M, Katto, J & Murase, T 2016, Enhancement of HCCA utilizing capture effect to support high QoS and DCF friendliness. in 2016 13th IEEE Annual Consumer Communications and Networking Conference, CCNC 2016., 7444802, Institute of Electrical and Electronics Engineers Inc., pp. 335-338, 13th IEEE Annual Consumer Communications and Networking Conference, CCNC 2016, Las Vegas, United States, 16/1/6. https://doi.org/10.1109/CCNC.2016.7444802

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abstract = "With increase of mobile wireless LAN systems, frequency contamination by the overlapping basic service set (OBSS) becomes a critical issue. In this paper, we focus on HCF controlled channel access (HCCA) to alleviate the OBSS problem. HCCA considers single BSS (SBSS) environment only and suppresses traffic of co-existing DCF (distributed coordination function) based WiFi access points (APs). We propose two methods that utilize capture effects to improve the coexistence capability with DCF networks, that we call DCF friendliness. The first method adjusts transmission timing in HCCA WLAN by applying inter-AP coordination. The second method enables simultaneous communication with surrounding DCF WLANs by changing the frame interval of HCCA to DIFS+1 SlotTime. Simulations show that both the proposed method can achieve higher throughput and better DCF friendliness.",

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