Measurement and analysis of link quality in wireless networks: An application perspective

V Kolar, S Razak, P Mahonen… - 2010 INFOCOM IEEE …, 2010 - ieeexplore.ieee.org
Estimating the quality of wireless link is vital to optimize several protocols and applications in
wireless networks. In realistic wireless networks, link quality is generally predicted by …

Link quality analysis and measurement in wireless mesh networks

V Kolar, S Razak, P Mähönen, NB Abu-Ghazaleh - Ad Hoc Networks, 2011 - Elsevier
Protocols and applications in wireless mesh networks often optimize their performance by
measuring the quality of wireless links. However, measuring and characterizing link quality …

Analysis of TCP performance on multi-hop wireless networks: A cross layer approach

A Majeed, NB Abu-Ghazaleh, S Razak, KA Harras - Ad Hoc Networks, 2012 - Elsevier
In Multi-Hop Wireless Networks (MHWNs), wireless nodes cooperate to forward traffic
between end points that are not in direct communication range. Specifically, traffic is …

Modeling and analysis of two-flow interactions in wireless networks

S Razak, V Kolar, NB Abu-Ghazaleh - Ad Hoc Networks, 2010 - Elsevier
Interference plays a complex and often defining role on the overall performance of wireless
networks, especially in multi-hop scenarios. Understanding this role is critical for …

How do wireless chains behave? the impact of mac interactions

S Razak, V Kolar, NB Abu-Ghazaleh… - Proceedings of the 12th …, 2009 - dl.acm.org
In a Multi-hop Wireless Networks (MHWN), packets are routed between source and
destination using a chain of intermediate nodes; chains are a fundamental communication …

TCP over multi-hop wireless networks: the impact of MAC level interactions

A Majeed, S Razak, NB Abu-Ghazaleh… - Ad-Hoc, Mobile and …, 2009 - Springer
Abstract In Multi Hop Wireless Networks (MHWNs), nodes act both as end-hosts as well as
intermediate routers. When communication occurs, these nodes form chains between …

Contention in multi-hop wireless networks: model and fairness analysis

V Kolar, K Bharath, NB Abu-Ghazaleh… - Proceedings of the 12th …, 2009 - dl.acm.org
In multi-hop wireless networks with Carrier Sense Multiple Access (CSMA), unfairness may
arise due to a number of reasons. A majority of the existing work focuses on fairness issues …

[PDF][PDF] Capacity estimation and adaptation in cognitive radio networks: Demonstrating software defined radios in action

V Kolar, A Gerco, T Milcher, M Petrova… - … Conference on Mobile …, 2009 - warpproject.org
In this demonstration we suggest to exhibit some key components for the future cognitive
and adaptive radio networks that are enabled by low-cost software defined radios. In multi …

The effect of contention in CSMA networks: Model and fairness protocol

V Kolar, K Bharath, NB Abu-Ghazaleh… - Performance Evaluation, 2011 - Elsevier
Multi-hop wireless networks using Carrier Sense Multiple Access (CSMA) suffer from various
forms of unfairness. A majority of the existing work focuses on fairness issues due to hidden …

CSMA interaction detection and capacity estimation in cognitive radio networks

A Greco, T Milcher, V Kolar, P Mähönen… - Proceedings of the tenth …, 2009 - dl.acm.org
Estimation of the available capacity in a multiple hop route in cognitive radio networks is
challenging. Several complex problems like channel assignment, interference estimation …