WIRELESS MESH
NETWORK
VS
AD-HOC NETWORK
GIST
1.

WMN

2.

AD-HOC

3.

CHARACTERISTICS

4.

ROUTING PROTOCOL

5.

CHANNEL ALLOCATION

6.

COGNITIVE RADIO IN WMN AN...
WIRELESS MESH NETWORK


A wireless mesh network (WMN) is a communications network made up
of radio nodes organized in a m...
CHARACTERISTICS OF WMN



Self-forming



Self-healing



Multi-hop
AD-HOC

A wireless ad hoc network is a decentralized type of wireless network . The network
is ad hoc because it does not ...
INFRASTRUCTURE AND AD-HOC MODE

INFRASTRUCTURE MODE
An 802.11 networking framework in which devices communicate with each ...
Mesh vs. Ad-Hoc Networks

Ad-Hoc Networks
Wireless Mesh Networks
 Multihop
 Multihop
 Nodes are wireless, possibly
 No...
ROUTING PROTOCOL


A routing protocol specifies how routers communicate with each other, disseminating
information that e...
TYPES OF ROUTING PROTOCOL

PROACTIVE-DSDV
REACTIVE-AODV
HYBRID
CHANNEL ALLOCATION



Channel allocation deals with the allocation of channels to cells in a cellular
network.
TYPES OF C...
COGNITIVE RADIO IN WMN AND AD-HOC
NETWORKS
THANK YOU
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Wireless mesh network (2)

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Wireless mesh network (2)

  1. 1. WIRELESS MESH NETWORK VS AD-HOC NETWORK
  2. 2. GIST 1. WMN 2. AD-HOC 3. CHARACTERISTICS 4. ROUTING PROTOCOL 5. CHANNEL ALLOCATION 6. COGNITIVE RADIO IN WMN AND ADHOC NETWORK
  3. 3. WIRELESS MESH NETWORK  A wireless mesh network (WMN) is a communications network made up of radio nodes organized in a mesh topology It consists of  Mesh clients  Mesh routers  Gateways
  4. 4. CHARACTERISTICS OF WMN  Self-forming  Self-healing  Multi-hop
  5. 5. AD-HOC A wireless ad hoc network is a decentralized type of wireless network . The network is ad hoc because it does not rely on a pre existing infrastructure, such as routers in wired networks or access points in managed (infrastructure) wireless networks
  6. 6. INFRASTRUCTURE AND AD-HOC MODE INFRASTRUCTURE MODE An 802.11 networking framework in which devices communicate with each other by first going through an Access Point (AP). AD-HOC MODE An 802.11 networking framework in which devices or stations communicate directly with each other, without the use of an access point (AP).
  7. 7. Mesh vs. Ad-Hoc Networks Ad-Hoc Networks Wireless Mesh Networks  Multihop  Multihop  Nodes are wireless, possibly  Nodes are wireless, some mobile mobile and some fixed  Infrastructure independent  It relies on infrastructure  Most traffic is user-to-user  Most traffic is user-togateway
  8. 8. ROUTING PROTOCOL  A routing protocol specifies how routers communicate with each other, disseminating information that enables them to select routes between any two nodes on a computer network PERFORMANCE METRICS  HOP COUNT  ETX  ETT  PATH AVAILABILITY  WCETT
  9. 9. TYPES OF ROUTING PROTOCOL PROACTIVE-DSDV REACTIVE-AODV HYBRID
  10. 10. CHANNEL ALLOCATION  Channel allocation deals with the allocation of channels to cells in a cellular network. TYPES OF CHANNEL ALLOCATION Fixed Channel Allocation Dynamic Channel Allocation
  11. 11. COGNITIVE RADIO IN WMN AND AD-HOC NETWORKS
  12. 12. THANK YOU
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