Research on Architecture on cross-layer MAC Protocol for WSN

ABSTRACT INTRODUCTION OBJECTIVE METHODOLOGY REVIEW CONCLUSION REFERENCE
Review of paper published 2011 Fifth International
Conference on Genetic and Evolutionary Computing
Ashenaﬁ W.Dessalgn Review by: Ashenaﬁ Workie Dessalgn PGR/18068/11 Supervisor: Dr. N. SATHEESH KUMNovember 27, 2018 1 / 19

Review by: Ashenaﬁ Workie Dessalgn PGR/18068/11
Supervisor: Dr. N. SATHEESH KUMAR NE SC SIG

outline of the paper
1 ABSTRACT
2 INTRODUCTION
3 OBJECTIVE
4 METHODOLOGY
5 REVIEW
6 CONCLUSION
7 REFERENCE

Abstract
• The development of micro-electronics technology, computing
technology and the wireless communications technology, wireless
sensor networks (WSNs) has been great concerned in recent years.
• The architecture of WSN directly affect entire network performance,
and the network performance affects the availability of WSN.
• The design of WSN architecture need consider many aspects, such as
deploy, energy consumption, expansibility, flexibility and error
tolerance.
• The cross-layer MAC protocol can be designed to reduce energy
consumption and prolong the network lifetime.

Introduction
Wireless sensor networks combines
1 modern sensor technology
2 micro electronics technology
3 wireless communication technology
4 embedded computing and distributed processing technology
WSNs is composed by a large amount of micro sensor nodes
distributed in monitored area
purpose of building WSN
• to collaboratively sense
• collect and process the information of the objects detected in the
monitored area and
• then sends it to the observer [2].

Conted..
Applications of WSNs
1 The applications of WSNs are very extensive, for example, military
application, environmental monitoring, health info, Smart home.
WSN all is also proposed based on some special applications
• To design function-customizable [3]
• autonomy and ﬂexibility
• re conﬁgurable network structure

objective
• To design WSN architecture through considering many aspects, such
as deploy, energy consumption, expansibility, flexibility and error
tolerance.
• To design function-customizable [3]
• autonomy and flexibility
• re configurable network structure

Methodology
Data collection Methodology
1 Data collection methodology:literature,discussion,Related works.
Design approach
• Cross-layer design: WSNs has a layered structure, so it is designed
according to layered idea..
• The goal of cross-layer design is to achieve design performance
balance between nonadjacent protocol layer logically.
• Fusion with other networks: fusion of WSNs with existing networks
will bring new applications.

THE ARCHITECTURE OF WIRELESS SENSOR
NETWORKS

Structure of sensor node
The sensor node is composed of four parts:
1 sensor module
2 processor module
3 wireless communication module and
4 power supply module, as shown in Figure 2

Stack of WSNs
• The stack of wireless sensor networks consists of physical layer,MAC
layer ,network layer , transmission layer and application layer.
• The physical layer provides a interface between data link layer and
hardware drive module.

The major tasks of the physical layer:
physical layer oﬀers physical layer data service and physical layer
management service, also maintains the information base of physical layer
The major tasks of the physical layer:
1 Open and close wireless transceiver;
2 Energy detection;
3 Link quality indication;
4 Clear channel assessment;
5 Channel selection;
6 Data transmission and data reception.

In IEEE802.15.4 criterion,
The major tasks of the MAC sub layer include
The MAC layer data service guarantees right sending and receiving data of
MAC protocol data unit in physical layer data service [7].
1 Coordinator generates network beacons;
2 Beacon synchronization;
3 Support PAN relevance and solution relevance;
4 Support equipment safety;
5 CSMA-CA channel access mechanism;
6 Process and maintain guaranteed time slot mechanism;
7 Support reliable link between two equal MAC entities.

The main function of network layer
• The network layer supplies two function management services:
network layer data service and network layer management service.
1 Produce package of internet layer;
2 Routing of the network topology;
3 Conﬁgure new device parameters;
4 Establish the PAN network; (5) Access or break PAN network;
5 Allocate network address;
6 Discover and maintain the network neighbor information;
7 Supply routing, control the reception time and state of the receptor.

Application layer
• The Application layer includes a series of application layer software
based on monitoring tasks.
• The potential problems of sensor network application layer to be
resolve are sensor management protocol, task allocation, data
broadcast management protocol and sensor query.
design of every layer, energy and safety should be considered.the major
service of QoS is to provide the users with eﬃcient service.

CROSS-LAYER MAC PROTOCOL OF WSNS
• In data receiving and dispatching, the sensor nodes have four states:
1 dormancy
2 monitoring
3 receiving and sending
4 the energy consumption of sending and receiving is maximum.
• In design of communication protocol, as an important infrastructure
of WSNs stacks.
• the MAC protocol determines the use-pattern of wireless channel,
allots wireless communication resource for sensor nodes, directly
inﬂuences the overall network performance, and becomes top priority
of WSNs research.

Review
Gaps on the Reviews
• This paper lack of methodology
• No mathematical method and result were included.
• the critical outline of the paper is little bit far apart from the truth
although new paper were done in this area.
• In this paper, the architecture, cross-layer MAC protocol for WSNs
are introduced. At last, the conclusion and future work of WSNs is
discussed

Conclusion and future works
Conclusion
• WSNs have a very wide range of applications.
• With the gradual resolution of a series of key technologies, WSNs will
be a very large all-pervasive network in the future.
• According to the characteristics of WSNs, the major challenges in the
future appear in ﬁve aspects that include
1 lower energy consumption
2 real-time
3 low cost
4 security
5 anti-jamming and cooperation.
• The design of every layer is mutually independent, so it is limited,
then the optimization design of every layer could not guarantee
optimal design of the entire network.

Reference

Research on Architecture on cross-layer MAC Protocol for WSN

Recommandé

Recommandé

Contenu connexe

Similaire à Research on Architecture on cross-layer MAC Protocol for WSN

Similaire à Research on Architecture on cross-layer MAC Protocol for WSN (20)

Plus de Ashenafi Workie

Plus de Ashenafi Workie (6)

Dernier

Dernier (20)

Research on Architecture on cross-layer MAC Protocol for WSN