Improving throughput and fairness by reducing exposed and hidden nodes in 802.11 networks

LB Jiang, SC Liew - IEEE Transactions on Mobile Computing, 2007 - ieeexplore.ieee.org
Two well-known problems that can cause performance degradations in IEEE 802.11
wireless networks are the exposed-node (EN) and hidden-node (HN) problems. Although …

[引用][C] Towards performance modeling of IEEE 802.11 based wireless networks: A unified framework and its applications

K Medepalli, FA Tobagi - Proceedings IEEE INFOCOM 2006 …, 2006 - ieeexplore.ieee.org
We present a simple analytical model for IEEE 802.11 based wireless networks that
effectively captures the important network performance characteristics such as throughput …

IEEE 802.11 saturation throughput analysis in the presence of hidden terminals

B Jang, ML Sichitiu - IEEE/ACM Transactions on Networking, 2011 - ieeexplore.ieee.org
Due to its usefulness and wide deployment, IEEE 802.11 has been the subject of numerous
studies, but still lacks a complete analytical model. Hidden terminals are common in IEEE …

MiFi: A framework for fairness and QoS assurance for current IEEE 802.11 networks with multiple access points

Y Bejerano, RS Bhatia - IEEE/ACM Transactions on …, 2006 - ieeexplore.ieee.org
In this paper, we present a framework for providing fair service and supporting quality of
service (QoS) requirements in IEEE 802.11 networks with multiple access points (APs) …

[PDF][PDF] Experimental study of hidden node problem in IEEE 802.11 wireless networks

PC Ng, SC Liew, KC Sha, WT To - Sigcomm Poster, 2005 - ie.cuhk.edu.hk
The Hidden-node problem is a well-known phenomenon in IEEE 802.11 wireless networks.
Most previous studies of the hiddennode problem were conducted by simulations, not …

Hidden-node removal and its application in cellular WiFi networks

LB Jiang, SC Liew - IEEE Transactions on Vehicular …, 2007 - ieeexplore.ieee.org
This paper investigates the hidden-node phenomenon (HN) in IEEE 802.11 wireless
networks. HN occurs when nodes outside the carrier-sensing range of each other are …

IEEE 802.11 a throughput performance with hidden nodes

O Ekici, A Yongacoglu - IEEE Communications Letters, 2008 - ieeexplore.ieee.org
Analytic performance of IEEE 802.11 distributed coordination function that takes into account
hidden node problem and unsaturated traffic condition is presented for symmetric networks …

Throughput analysis of IEEE802. 11 multi-hop ad hoc networks

PC Ng, SC Liew - IEEE/ACM Transactions on networking, 2007 - ieeexplore.ieee.org
In multi-hop ad hoc networks, stations may pump more traffic into the networks than can be
supported, resulting in high packet-loss rate, re-routing instability and unfairness problems …

Modifying backoff freezing mechanism to optimize dense IEEE 802.11 networks

M Karaca, S Bastani, B Landfeldt - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
From experience, it has been well known that the performance of IEEE 802.11 wireless local
area networks significantly drops in dense settings, largely driven by poor capacity of the …

ZipTx: Harnessing partial packets in 802.11 networks

KCJ Lin, N Kushman, D Katabi - Proceedings of the 14th ACM …, 2008 - dl.acm.org
Current wireless protocols retransmit any packet that fails the checksum test, even when
most of the bits are correctly received. Prior work has recognized this inefficiency, however …