pigeon a wireless two-way messaging system
DESCRIPTION
TRANSCRIPT
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A Wireless Two-Way Messaging
System
Pigeon:
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Wireless communication is the transfer of information over a distance without the use of electrical conductors or wires.
IS WIRELESS COMMUNICATION
TYPES OF WIRELESS COMMUNICATION
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Packet Switching
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Circuit Switched Data
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Two Way Messaging
System
Data Network
Public Switche
d Telepho
ne Network
Cellular Networ
k
Mobility
Base Station
Bidirectionality
disconnection
Asymmetry
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USERAGENT
RUSER
AGENTS
Pigeon control fuctions
Location tracking forwarding/filtering
Address and message expansion message status query
Originating message code
Full text reply
Full text reply
Flexible message in message storage encoding
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User Agent User
AgentUser
Agent
Interworking
Function
Batch Server
Batch Server
Services
Services
Distribution Server
Transaction Server
Messaging Coordinato
r
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One way paging and Two way paging
Hello
Call is made to the pager service
Operator takes message and pager number
Base station transmits message to the pager
Pager receives messageAdvantage
of two way
messaging
is the
reply
compone
nt.
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Base transeiver
Connects subsciber to cellular network
Base Station
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Care for lunch \emphasize {now}?
Sure \ I am busy
McDonalds/Taco
Bell
Choice component
Reply component
choices
Wireless Media
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User (Pager)
User AgentProxy
Location
Status
User Agent doesn’t migrate as subscribers roam and is always
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Addresses
References To….
Modifiers
uplink
Eg: LunchDinner
5 0 0
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New mail!!!! User to user communication
Reliable Delivery
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Group addressing
Ad hoc group
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Personalizable
with the user agent
Address Book
Message List
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New location of pager found
Batch server
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tt
closed
open
Transaction
ManagerRecipient
State
Conversation Manager
Recipient
State
Recipient
State
Recipient
State
Transaction Server
received
sent
done
replied
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Distribution server
Text to voice converter
Else…
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Applications of Pigeon
Value added services
User Agent…thus saves
resources on air
interface