Abstract:
THE PRESENT INVENTION PROVIDES A METHOD AND SYSTEM (201) FOR REPRESENTATION OF INTERNET PROTOCOL VERSION 6 (IPv6) ADDRESSES (209a, 209b) IN A MORE READABLE AND MANAGEABLE FORM, WHICH CAN BE EASILY REMEMBERED. IN ONE EMBODIMENT A LOGICAL AMERICAN STANDARD CODE FOR INFORMATION INTERCHANGE (ASCII CODES) STRING IS SELECTED TO DENOTE A NODE, WHICH IS CONVERTED INTO HEXADECIMAL VALUES AND APPENDED TO A NETWORK ADDRESS SO AS TO FORM THE IPv6 ADDRESS (209a, 209b). THE IPv6 ADDRESS (209a, 209b) IN THE ASCII FORM IS MORE READABLE AND MANAGEABLE AND THEREFORE EASY TO REMEMBER.
Abstract:
A METHOD OF PROVIDING A MULTICAST SERVICE ANNOUNCEMENT USING A HYPERTEXT TRANSFER PROTOCOL FOR SENDING A SERVICE ANNOUNCEMENT FROM AN ANNOUNCEMENT SERVER TO AT LEAST ONE RECEIVING NODE, THE RECEIVING NODE COMMUNICATING ONLY WITH SAID ANNOUNCEMENT SERVER TO ACCESS SAID SERVICE ANNOUNCEMENT. THE ANNOUNCEMENT SERVER PERIODICALLY CHECKS FOR SAID SIGNALING MESSAGE FROM SAID SENDING NODE. THE SAID HYPERTEXT TRANSFER PROTOCOL ANNOUNCEMENT IS ABLE TO COMMUNICATE WITH A REAL-TIME TRANSPORT PROTOCOL ASSOCIATED WITH MULTIMEDIA STREAMS.
Abstract:
A METHOD OF OPTIMIZING THE QUALITY OF MULTICAST SERVICES OVER A WIRELESS NETWORK BY DYNAMICALLY CONTROLLING A BROADCAST RATE, COMPRISING: SUPPRESSING AN AUTOMATIC RATE FALLBACK PROTOCOL SO THAT A BROADCAST DATA RATE IS NOT LIMITED TO THE BASE DATA RATE; TRANSMITTING A MULTICAST DATA STREAM FROM AN ACCESS POINT TO A PLURALITY OF NODES; DETECTING IF THERE IS ANY DATA LOSS IN THE SAID MULTICAST DATA STREAM; AND LOWERING THE DATA RATE FOR EACH NODE INCREMENTALLY IF THERE IS ANY DATA LOSS, UNTIL THE DATA LOSS REACHES AN ACCEPTABLE LEVEL OR UNTIL THE SAID MINIMUM RATE IS REACHED, WHICHEVER HAPPENS FIRST. (FIGURE 1)
Abstract:
A METHOD OF ROUTING COMMUNICATION ON-THE-GO IN A WIRELESS MOBILE NETWORK COMPRISING OF A PLURALITY OF MOBILE SENSOR NODES IS DISCLOSED. THE METHOD COMPRISES ENABLING EACH NODE TO GATHER INFORMATION ON ITS NEIGHBOURING NODES AND STORE THE INFORMATION IN THE NODES? RESPECTIVE NEIGHBOUR LIST TABLE COMPRISING NEIGHBOURING NODES? ADDRESSES, HOP DISTANCE AND NEXT INTERMEDIATE NEIGHBOURS? ADDRESS. THESE INFORMATION GATHERED MAY THEN BE SHARED AMONGST NEIGHBOURING NODES. USING THE GATHERED AND/OR SHARED INFORMATION, A ROUTE FOR COMMUNICATING MESSAGE TO A DESTINATION NODE IS THUS DETERMINED. THE ROUTE DETERMINING STEP IS CONSIDERED WITHIN A PREDETERMINED MAXIMUM NUMBER OF HOPS THROUGH THE NEIGHBOURING NODES. IF COMMUNICATION LINK TO THE DESTINATION IS BROKEN, THE GATHERED AND/OR SHARED INFORMATION MAY BE OPTIONALLY UPDATED. NEXT, A MESSAGE RECEIVED AT SAID EACH NODE IS DETERMINED WHETHER IT IS DESTINED FOR ITSELF OR TO BE ONWARDLY ROUTED TO A NEXT NEIGHBOURING NODE. AFTER THIS DETERMINATION, THE MESSAGE IS SENT TO THE DESTINATION OR INTERMEDIATE NODE. THE NODE AWARENESS MAY BE EXTENDED TO AT LEAST AT LEAST 2 HOPS AWAY AND THE MAXIMUM NUMBER OF HOPS MAY BE PREDETERMINED.
Abstract:
A METHOD FOR AUTOMATED CLUSTER HEAD MECHANISM IN MULTICAST COMMUNICATION OVER A MULTI-CLUSTER WIRELESS NETWORK, COMPRISING DESIGNATING, BY AN ENTERPRISE GATEWAY, A BEST RANKING CLIENT FROM A PLURALITY OF CLIENTS IN A CLUSTER OF THE MULTI-CLUSTER WIRELESS NETWORK, AS A CLUSTER HEAD (102), ANNOUNCING THE CLUSTER HEAD, BY THE ENTERPRISE GATEWAY, TO THE PLURALITY OF CLIENTS IN THE CLUSTER (104) AND ASSIGNING TO THE CLUSTER, BY THE ENTERPRISE GATEWAY, SUBSCRIPTION OF NEW CLIENTS OF THE MULTI-CLUSTER WIRELESS NETWORK (106). THE METHOD FURTHER COMPRISING NOTIFYING, BY THE CLUSTER HEAD TO THE ENTERPRISE GATEWAY ONCE A MAXIMUM CAPACITY IS ACHIEVED (108) AND RECEIVING, BY THE ENTERPRISE GATEWAY DIRECT SUBSCRIPTION OF NEW CLIENT OF THE MULTI-CLUSTER WIRELESS NETWORK (110). THE MOST ILLUSTRATIVE DRAWING:
Abstract:
A method of optimizing the quality of multicast services over a wireless network by dynamically controlling a broadcast rate, comprising: suppressing an automatic rate fallback protocol so that a broadcast data rate is not limited to the base data rate; transmitting a multicast data stream from an access point to a plurality of nodes; detecting if there is any data loss in the said multicast data stream; and lowering the data rate for each node incrementally if there is any data loss, until the data loss reaches an acceptable level or until the said minimum rate is reached, whichever happens first.
Abstract:
The present invention relates to a system and method for managing the sleeping mode of wireless sensor nodes (110) in a wireless sensor network for managing sleeping schedule of the wireless sensor nodes (110) during an event or crisis. The wireless sensor network comprises of at least one gateway and a plurality of wireless sensor node (110), wherein each wireless sensor node (100) includes a critical stage management module (111) and sleeping schedule management module (112) for managing sleeping mode during an event or crisis.
Abstract:
A method of providing a multicast service announcement using a hypertext transfer protocol for sending a service announcement from an announcement server to at least one receiving node, the receiving node communicating only with said announcement server to access said service announcement. The announcement server periodically checks for said signaling message from said sending node. The said hypertext transfer protocol announcement is able to communicate with a real-time transport protocol associated with multimedia streams.