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Transmission Capacity Of Wireless Ad Hoc Networks With Successive Interference Cancellation
White Papers The transmission capacity of a wireless ad hoc network can be defined as the maximum allowable area spectral efficiency such that the outage probability does not exceed some specified threshold. This paper studies the improvement in transmission...
[October 11, 2005, 3:00]
Transmission Capacity Of Wireless Ad Hoc Networks With Outage Constraints
White Papers In this paper, upper and lower bounds on the transmission capacity of spread spectrum wireless ad hoc networks are derived. These bounds cleanly summarize how ad hoc network capacity is affected by the outage probability, spreading factor...
[October 5, 2008, 1:20]
Transmission Capacity Of CDMA Ad Hoc Networks Employing Successive Interference Cancellation
White Papers In this paper, upper and lower bounds on the transmission capacity of direct-sequence CDMA wireless ad hoc networks are derived. The transmission capacity is a stochastic measure of the allowable number of transmissions per unit area, and is a...
[October 13, 2005, 3:00]
Transmission Power Control In Wireless Ad Hoc Networks: Challenges, Solutions, And Open Issues
White Papers It discusses the factors that influence the selection of the transmission power, including the important interplay between the routing (network) and the Medium Access Control (MAC) layers. Recently, power control in mobile ad hoc networks has been...
[April 21, 2006, 1:01]
Throughput And Transmission Capacity Of Ad Hoc Networks With Channel State Information
White Papers This paper develops a general framework for deriving the spatial throughput and transmission capacity of spatially Poisson distributed ad hoc networks for random (e.g.fading) channels, and random transmission distances.
[August 10, 2007, 10:50]
Bluetooth-Based Ad-Hoc Networks For Voice Transmission
White Papers This paper inspects the possibilities of using Bluetooth for building Ad-Hoc networks suitable for transmitting audio and esp.voice data using synchronous SCO links. The paper analyzes the features or problems that Bluetooth offers for transmitting...
[August 11, 2005, 6:00]
On Througput Of Multipath Data Transmission Over Multihop Ad Hoc Networks
White Papers Data transmission in ad hoc networks involves interactions between MAC-layer protocol and data forwarding along network-layer paths. In this paper, their impact on the multipath data transmission system over multihop IEEE 802.11 MAC-based ad hoc...
[August 10, 2007, 10:44]
Transmission Capacity Of CDMA Ad Hoc Networks
White Papers Analytic results have been developed on the transmission capacity of a CDMA ad hoc network. Transmission capacity is defined as the maximum permissible density of simultaneous transmissions that allows a certain probability of successful reception.
[October 13, 2005, 3:00]
On Scheduling And Real-Time Capacity Of Hexagonal Wireless Sensor Networks
White Papers This paper presents a distributed transmission scheduling algorithm for hexagonal wireless ad-hoc networks with a particular focus on Wireless Sensor Networks. Transmission scheduling algorithms allocate time slots to the nodes of a network such...
[August 25, 2007, 1:00]
SDJS: The Duck Hunter Problem In Wireless Sensor Networks
White Papers Synchronous Distributed Jam Signalling (SDJS) is a new transmission scheme targeted to highly mobile and ad hoc wireless systems. This paper presents how to use SDJS to estimate the parameter number of devices in a mobile wireless ad hoc network.
[May 10, 2006, 1:00]
The Critical Radius In CDMA Ad Hoc Networks
White Papers It is shown that the size of this exclusion zone has a large impact on the transmission capacity of ad hoc networks, and an optimal critical radius is found using stochastic geometry. In ad hoc networks, it is necessary to suppress transmissions by...
[October 13, 2005, 3:00]
On Channel Selection Strategies For Multi-Channel MAC Protocols In Wireless Ad Hoc Networks
White Papers Multi-channel Medium Access Control (MAC) protocols have recently been proposed to improve the performance of the Transmission Control Protocol (TCP) in IEEE 802.11 wireless ad hoc networks. This paper uses ns-2 network simulations to study the...
[December 27, 2007, 0:01]
The Need For Cross-Layer Service Discovery In MANETs
White Papers Because of the broadcast nature of wireless transmission, good service selection groups clients with nearby service providers, localizing communication, which in turn reduces inter-node interference and allows for multiple concurrent transmissions...
[September 15, 2005, 0:00]
Improving TCP Performance Over Wireless Ad Hoc Networks With Busy Tone Assisted Scheme
White Papers It is well known that Transmission Control Protocol (TCP) performance degrades severely in IEEE 802.11-based wireless ad hoc networks. The paper first identifies two critical issues leading to the TCP performance degradation: unreliable broadcast...
[December 6, 2007, 0:01]
Expected Data Rate: An Accurate High-Throughput Path Metric For Multi-Hop Wireless Routing
White Papers The metric is based upon a new model for transmission interference which is a critical factor in determining path throughput. This paper constructs a realistic and practical transmission interference model by determining transmission contention...
[August 23, 2007, 1:00]
Optimal Backpressure Routing For Wireless Networks With Multi-Receiver Diversity
White Papers Each packet transmission can be overheard by a subset of receiver nodes, with a transmission success probability that may vary from receiver to receiver and may also vary with time. This paper considers the problem of optimal scheduling and routing...
[August 10, 2007, 11:15]
The Guard Zone In Wireless Ad Hoc Networks
White Papers It is shown that the size of this exclusion zone has a large impact on the transmission capacity of ad hoc networks, and an optimal guard zone is found using stochastic geometry. In this paper, the effect of scheduling on the performance of CDMA...
[October 11, 2005, 3:00]
Performance Evaluation Of Multiple-Rate Mobile Ad Hoc Networks
White Papers Existing wireless networks usually provide multiple data transmission rates. This paper presents a simulation study on the performance of multiple-rate mobile ad hoc networks (MANETs), based on an evolved ns-2 simulator.
[July 20, 2007, 1:00]
Increase In Co-Located Simultaneous Transmissions For CDMA Ad Hoc Networks
White Papers The improvement in capacity normalized are quantified by the cost in bandwidth expansion for a spread spectrum ad hoc network in which nodes are uniformly distributed under variable transmission powers.
[October 13, 2005, 3:00]
A Column Generation Method For Spatia TDMA Scheduling In Ad Hoc Networks
White Papers STDMA improves TDMA by allowing simultaneous transmission of multiple units. An ad hoc network can be set up by a number of units without the need of any permanent infrastructure. In military command and control systems, ad hoc networks are also...
[July 20, 2004, 3:00]
