Component based channel assignment in single radio, multi-channel ad hoc networks

Vedantham, Ramanuja; Kakumanu, Sandeep; Lakshmanan, Sriram; Sivakumar, R.

doi:10.1145/1161089.1161132

Cited by 84 publications

(52 citation statements)

References 10 publications

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“…However, fixed channel assignment enforces the nodes to keep their interfaces on a particular channel leading to some drawbacks such as nonadaptive to dynamic network conditions and unable to communicate if transceivers of two neighbouring nodes are fixed on different frequencies. Vedantham et al [9] came up with rather different idea from clustering, however with fixed channel assignment. They introduced the concept of component-based channel assignment induced by a flow graph between sources and destinations.…”

Section: Channel Assignment In Wireless Ad Hoc Networkmentioning

confidence: 99%

Centralized Control for Dynamic Channel Allocation in IEEE 802.15.4 Based Wireless Sensor Networks

Nirapai

Chantaraskul

2014

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Abstract. Coexistence problem is one of the most important issues in the IEEE 802.15.4 based Wireless Sensor Networks (WSNs), since the system operates on the highly populated 2.4 GHz ISM band. As a result, system performance of WSNs can be greatly impaired by the interference from over powering signal from other systems such as WLAN and Bluetooth. This paper proposes an approach based on centralized control for dynamic channel allocation. The proposed method offers multi-channel utilization with intelligent controlling mechanism in order to provide system performance enhancement in order to cope with variation of interfered environment. Based on centralized control, decision making process is performed by the network coordinator allowing such system flexibility. Simulation model has been developed and it is embedded with this proposed mechanism in order to test the system performance. To observe the system performance under the proposed method, variety of simulation scenarios are performed with the variation of two major factors affecting system performance including the size of the network topology and the scale of interference. Proposed method is evaluated and the simulation results are compared against tradition system as well as system with multichannel utilization method with channel scheduling. The flexibility of the method proposed here allows the system to have better system performance under different test scenarios both in terms of average packet end-to-end delay and system throughput.

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Section: Channel Assignment In Wireless Ad Hoc Networkmentioning

confidence: 99%

Centralized Control for Dynamic Channel Allocation in IEEE 802.15.4 Based Wireless Sensor Networks

Nirapai

Chantaraskul

2014

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“…Individual aspects of these problems have been separately considered in many related papers [9][10][11][12][13][14][15][16][17][18]. Most literatures in this area can be conceptually categorized into 2 research directions; one is the single-radio multi-channel transmission discussed in [9][10][11], and the other direction is the multi-radio multi-channel transmission discussed in [12][13][14][15][16][17][18]. Meanwhile, for the single-radio single-channel cases, the performance results of the Automatic-Repeat-reQuest (ARQ) retransmission schemes based on Markov analysis were available in [19][20][21][22], and optimized in both the power and the packet drop probability aspects respectively were recently studied in [23].…”

Section: A Survey Of Various Retransmission Schemesmentioning

confidence: 99%

“…Meanwhile, for the single-radio single-channel cases, the performance results of the Automatic-Repeat-reQuest (ARQ) retransmission schemes based on Markov analysis were available in [19][20][21][22], and optimized in both the power and the packet drop probability aspects respectively were recently studied in [23]. These studies [9][10][11][12][13][14][15][16][17][18][19][20][21][22][23] together provide a basis for the analysis and comparison of the multi-channel transmission. Furthermore, various kinds of ARQ and Hybrid ARQ schemes designed to be employed for CD environments were explored in [24][25][26][27].…”

Section: A Survey Of Various Retransmission Schemesmentioning

confidence: 99%

“…Centralized and distributed algorithms to perform efficient channel assignments in component-based approach were proposed and implemented in [10]. A joint multi-channel and multi-path control protocol was proposed in [11], where it combined multi-channel link layer with multi-path routing, and simulations showed that the scheme can improve the throughput significantly.…”

Section: A Survey Of Various Retransmission Schemesmentioning

confidence: 99%

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Introduction to the Retransmission Scheme Under Cooperative Diversity in Wireless Networks

Chung¹,

Tsai²

2012

Wireless Communications and Networks - Recent Advances

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“…Different from the idea of clustering the nodes into different frequencies, Vedantham et al [275] introduce the concept of component-based channel assignment. In this approach, all links in a connected component, induced by a flow graph between sources and destinations, are assigned a single channel and operate on the same channel.…”

Section: Fixed Channel Assignmentmentioning

confidence: 99%

Multi-channel wireless sensor networks : protocols, design and evaluation

Durmaz¹

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Pervasive systems, which are described as networked embedded systems integrated with everyday environments, are considered to have the potential to change our daily lives by creating smart surroundings and by their ubiquity, just as the Internet. In the last decade, "Wireless Sensor Networks" have appeared as one of the real-world examples of pervasive systems by combining automated sensing, embedded computing and wireless networking into tiny embedded devices.A wireless sensor network typically comprises a large number of spatially distributed, tiny, battery-operated, embedded sensor devices that are networked to cooperatively collect, process, and deliver data about a phenomenon that is of interest to the users. Traditionally, wireless sensor networks have been used for monitoring applications based on low-rate data collection with low periods of operation. Current wireless sensor networks are considered to support more complex operations ranging from target tracking to health care which require efficient and timely collection of large amounts of data. Considering the low-bandwidth, low-power operation of the radios on the sensor devices, interference and contention over the wireless medium and the energy-efficiency requirements due to the battery-operated devices, fulfilling the mentioned data-collection requirements in complex applications becomes a challenging task.This thesis focuses on the efficient delivery of large amounts of data in bandwidth-limited wireless sensor networks by making use of the multi-channel capability of the sensor radios and by using optimal routing topologies. We start with experimenting the operation of the sensor radios to characterize the behavior of multi-channel communication. We propose a set of algorithms to increase the throughput and timely delivery of the data and analyze the bounds on the data collection capacity of the wireless sensor networks. The main contributions of the thesis are listed as follows:• Contribution 1 -Characteristics, challenges and the use of multi-channel communication in wireless ad hoc networks and wireless sensor networks: We review the state of the art channel assignment protocols in wireless multi-hop networks, particularly in wireless ad hoc networks and wireless sensor networks. We classify the existing solutions according to the number of transceivers required per node and according to the dynamics of the channel assignment. Since the channel assignment methods designed for general wireless ad hoc networks may not be directly applicable to wireless sensor networks, we give brief comparisons of them and discuss the additional challenges and requirements for wireless sensor networks.• Contribution 2 -Characterization of multi-channel interference: The assumption of perfectly orthogonal, interference-free channels, which is adopted in most of the multi-channel communication studies, may fail in practice. Radio signals are not limited to their allocated frequency band, but cause interference in adjacent bands as well -how much depends on...

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Component based channel assignment in single radio, multi-channel ad hoc networks

Cited by 84 publications

References 10 publications

Centralized Control for Dynamic Channel Allocation in IEEE 802.15.4 Based Wireless Sensor Networks

Centralized Control for Dynamic Channel Allocation in IEEE 802.15.4 Based Wireless Sensor Networks

Introduction to the Retransmission Scheme Under Cooperative Diversity in Wireless Networks

Multi-channel wireless sensor networks : protocols, design and evaluation

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