N. Vaidya

Publications490
h-index71
Citations28,276
Highly Influential Citations2,231
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Location-aided routing (LAR) in mobile ad hoc networks
TLDR
An approach to utilize location information (for instance, obtained using the global positioning system) to improve performance of routing protocols for ad hoc networks is suggested.
Multi-channel mac for ad hoc networks: handling multi-channel hidden terminals using a single transceiver
TLDR
This paper proposes a medium access control (MAC) protocol for ad hoc wireless networks that utilizes multiple channels dynamically to improve performance and solves the multi-channel hidden terminal problem using temporal synchronization.
A rate-adaptive MAC protocol for multi-Hop wireless networks
TLDR
This paper presents a rate adaptive MAC protocol called the Receiver-Based AutoRate (RBAR) protocol, based on the RTS/CTS mechanism, which can be incorporated into many medium access control protocols including the widely popular IEEE 802.11 protocol.
Using directional antennas for medium access control in ad hoc networks
TLDR
The design focuses on using multi-hop RTSs to establish links between distant nodes, and then transmit CTS, DATA and ACK over a single hop, and shows that the directional MAC protocol can perform better than IEEE 802.11, although the performance is dependent on the topology configuration and the flow patterns.
Analysis of TCP performance over mobile ad hoc networks
TLDR
A new metric, expected throughput, is introduced for the comparison of throughput in multi-hop networks, and then used to show how the use of explicit link failure notification (ELFN) techniques can significantly improve TCP performance.
Medium access control protocols using directional antennas in ad hoc networks
TLDR
This paper attempts to design new MAC protocols suitable for ad hoc networks based on directional antennas, such as the IEEE 802.11 standard, which do not benefit when using directional antennas because they have been designed for omnidirectional antennas.
Routing and link-layer protocols for multi-channel multi-interface ad hoc wireless networks
TLDR
A link layer protocol to manage multiple channels is proposed, and it can be implemented over existing IEEE 802.11 hardware and a new routing metric for multi-channel multi-interface networks is incorporated into an on-demand routing protocol that operates over the link layer Protocol.
Routing and interface assignment in multi-channel multi-interface wireless networks
TLDR
This paper provides a classification of interface assignment strategies, and proposes a new strategy that does not require modifications to IEEE 802.11.11 and identifies routing heuristics that are suitable for use with the proposed interface assignment strategy.
A power control MAC protocol for ad hoc networks
TLDR
This paper presents an improved power control MAC protocol which does not degrade throughput and yields energy saving, and shows that this scheme can degrade network throughput and can result in higher energy consumption than using IEEE 802.11 without power control.
An energy efficient MAC protocol for wireless LANs
  • Eun-Sun Jung, N. Vaidya
  • Computer Science
    Proceedings.Twenty-First Annual Joint Conference…
  • 7 November 2002
TLDR
An adaptive mechanism to dynamically choose a suitable ATIM window size is proposed that outperforms the IEEE 802.11 power saving mechanism in terms of throughput and the amount of energy consumed.
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