ROUTING METHOD FOR VIDEO, VOICE AND DATA WIRELESS MOBILE TRANSMISSION NETWORKS Russian patent published in 2011 - IPC H04L12/56 

FIELD: information technology.

SUBSTANCE: packets are sent in all directions from each point to all neighbouring points at the instant when connection set up is required. In order to get rid of packet duplicates and packets which deviated from the route, a packet field is used. When passing through each point on the route, the node increases the special packet field by a value calculated using a certain method. That way, when a packet falls at the destination point, the "Forward route metric" packet field values which have travelled through different routes are compared and the path having the least field value becomes the optimum route. Intermediate nodes themselves determine their own affiliation to the selected route based on the "Reverse route metric" packet field. To shorten user data transmission time, user data are sent before the optimum route is selected, i.e. route search and data transmission take place simultaneously. When transmitting data on a specific route, all the nearest nodes receive packets but discard them since they do not belong to the given route. However, when one of the nodes is faulty or when the receiving zone is faulty, the nearest node begins to assume functions of the faulty node. All service information of the new node in the route is updated according to route requirements.

EFFECT: high probability of successful routing.

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