Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2004-09-27
2008-12-02
Nguyen, Steven H (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S238000, C370S338000, C370S355000, C370S356000, C370S354000, C370S401000, C370S252000
Reexamination Certificate
active
07460532
ABSTRACT:
A method of providing a routing protocol in a sensor network includes the steps of: initializing a routing table and searching a network device of a node to initialize a host; opening a socket when there is a request for forwarding of an IP (Internet Protocol) packet from an upper layer or when there is a request through the network device; determining whether there is the IP packet forwarding request of the upper layer node or whether the packet is received from the network device; if there is the IP packet forwarding request of the upper layer, searching the routing table, and determining whether or not there is a destination node which intends to transmit the packet, and returning to a main loop if there is the destination node; and if the packet is received through the network device, determining types of the received packets and performing RREQ (route request) process, IDLE process, RREP (route reply) process, RERR (route error) process, and RREP_ACK (route reply acknowledgement) process.
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Kim Dae Young
Lim Yong Jin
Park Seung Min
Ryu Jae Hyuk
Shin Changmin
Blakely , Sokoloff, Taylor & Zafman LLP
Electronics and Telecommunications Research Institute
Hailu Kibrom T
Nguyen Steven H
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