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Interaction Between TCP And UDP Flows In Wireless Multi-Hop Ad Hoc Networks
White Papers This paper examines the interaction between TCP and UDP flows in wireless multi-hop ad hoc networks. Early results show that TCP's congestion control is not tuned to wireless multi-hop settings, resulting in significant jitter and loss in UDP flows.
[December 26, 2007, 23:00]
Experimental Evaluation Of TCP Performance In Multi-Hop Wireless Ad Hoc Networks
White Papers This paper presents experimental measurements of TCP bulk data transfer performance in a multi-hop wireless ad hoc network environment. The first part of the paper studies how TCP throughput is affected by AODV routing, user mobility, and the...
[December 26, 2007, 23:00]
Clustering Overhead And Convergence Time Analysis Of The Mobility-Based Multi-Hop Clustering Algorithm For Mobile Ad Hoc Networks
White Papers This paper aims to analyze a distributed multi-hop clustering algorithm, Mobility-based D-Hop (MobDHop), based on two key clustering performance metrics and compares it with other popular clustering algorithms used in MANETs.
[August 30, 2007, 0:00]
A Priority-Based Distributed Call Admission Protocol For Multi-Hop Wireless Ad Hoc Networks
White Papers Ad hoc networks have been proposed for a variety of applications where support for real time, multimedia services may be necessary. This requires that the network is able to offer service differentiation and Quality of Service (QoS) appropriate for...
[August 13, 2007, 0:00]
Interactions Between TCP, UDP And Routing Protocols In Wireless Multi-Hop Ad Hoc Networks
White Papers The achieved throughput in an ad hoc network is affected by many factors, including radio interference between hops, the ability of the routing protocol to react on topology changes and a complex interaction between the application and underlying...
[December 26, 2007, 23:00]
Enhancements Of The IEEE 802.11, A MAC Protocol For Ad Hoc Network With History Of Power Adjustment
White Papers The protocol also achieves better spatial reuse of the spectrum thanks to the power control taking into consideration the number of neighbors in the one-hop neighborhood and the history of power changes.
[March 24, 2008, 23:00]
SSCH: Slotted Seeded Channel Hopping For Capacity Improvement In IEEE 802.11 Ad-Hoc Wireless Networks
White Papers Simulation results show that SSCH significantly increases network capacity in several multi-hop and single-hop wireless networking scenarios. Capacity improvement is one of the principal challenges in wireless networking.
[January 10, 2006, 23:00]
A Column Generation Method For Spatia TDMA Scheduling In Ad Hoc Networks
White Papers In military command and control systems, ad hoc networks are also referred to as multi-hop radio networks. This is known as the multi-hop functionality. An ad hoc network can be set up by a number of units without the need of any permanent...
[July 20, 2004, 0:00]
A Switch Model For Improving Throughput And Power Fairness In Bluetooth Piconets
White Papers Furthermore, we focus on a Personal Area Network (PAN) application limiting the network to a single-hop ad-hoc network. The resulting half-duplex wireless network is an interesting special case of the general full-duplex multi-hop ad-hoc networks.
[September 14, 2005, 0:00]
Centralized Channel Assignment And Routing Algorithms For Multi-Channel Wireless Mesh Networks
White Papers However, bandwidth aggregation is rarely used in the context of multi-hop 802.11-based LANs that operate in the ad hoc mode. This paper proposes and evaluates one of the first multi-channel multi-hop wireless ad-hoc network architectures that can...
[June 30, 2006, 0:00]
Improving Ad Hoc Routing For Future Wireless Multihop Networks
White Papers These adapting functionalities haven't been developed to be used in Multi-Hop Ad Hoc Networks. Nowadays Ad Hoc Routing Protocols have been developed and evaluated using several different simulation tools, i.e.
[June 30, 2006, 0:00]
Distributed Power Control And Routing For Clustered CDMA Wireless Ad Hoc Networks
White Papers This paper considers a multi-hop wireless ad hoc network where all nodes share a common channel, and Code Division Multiple Access (CDMA) is used to facilitate concurrent transmissions. The network model consists of groups of nodes that may loosely...
[June 16, 2006, 0:00]
Architecting A High-Capacity Last-Mile Wireless Mesh Network
White Papers Despite availability of multiple non-overlapping channels in the 2.4GHz and the 5GHz spectrum, most IEEE 802.11-based multi-hop ad hoc networks operate in a single channel. As a result, conventional single-channel ad hoc network architecture can...
[June 30, 2006, 0:00]
The Need For Cross-Layer Service Discovery In MANETs
White Papers Service selection has a crucial effect on wireless multi-hop ad hoc network (MANET) performance. This paper presents a novel cross-layer architecture for service discovery, selection and rediscovery in MANETs that closely integrates service...
[September 15, 2005, 0:00]
Performance Comparison Of Cellular And Multi-Hop Wireless Networks: A Quantitative Study
White Papers This paper studies the performance trade-offs between conventional cellular and multi-hop ad-hoc wireless networks. This paper compares through simulations the performance of the two network models in terms of raw network capacity, end-to-end...
[August 25, 2007, 0:00]
A Path Density Protocol For MANETs
White Papers Knowing, i.e.measuring the "Path density" at sources of communications is essential to provide fair capacity distribution between sessions in multi-hop ad hoc networks. This paper proposes and has implemented PDP, a path density recording protocol.
[December 26, 2007, 23:00]
Dynamic NIx-Vector Routing For Mobile Ad Hoc Networks
White Papers This paper presents a new protocol for multi-hop routing in mobile ad hoc networks called Dynamic Nix-Vector Routing (DNVR). The scheme is based on the Nix-Vector concept for efficient routing originally designed for wired networks.
[August 1, 2007, 0:00]
Performance Evaluation Of TCP Over Routing Protocols For Mobile Ad Hoc Networks
White Papers This paper investigates the performance of TCP of various (single-hop and multi-hop) routing protocols for mobile ad hoc networks. Using ns-2, it evaluates the TCP window size, throughput and packet delay over a single TCP connection.
[December 26, 2007, 23:00]
Multipath Power Sensitive Routing Protocol For Mobile Ad Hoc Networks
White Papers Mobile Ad hoc Networks are characterized by multi-hop wireless links, without any infrastructure, and frequent host mobility. A plethora of routing protocols has been proposed. A class of routing protocols called on-demand protocols has recently...
[August 1, 2007, 0:00]
Distributed Dynamic Scheduling For End-to-End Rate Guarantees In Wireless Ad Hoc Networks
White Papers Guided by a set of local feasibility conditions, multi-hop sessions are dynamically offered allocations, further translated to link demands. This paper presents a framework for the provision of deterministic end-to-end bandwidth guarantees in...
[September 29, 2005, 0:00]
