发明名称 |
Representation and solutions for simultaneous transmissions over broadcast medium |
摘要 |
Embodiments of a system and method for finding optimal routes for simultaneous transmissions over broadcast medium are generally described herein. In some embodiments, nodes are placed into a cost matrix representing a connected graph of nodes, virtual nodes are identified by applying matrix operations to the cost matrix and backtracking is performed incrementally to build candidates of virtual nodes for a solution set from the identified virtual nodes and to eliminate unsuitable candidates. |
申请公布号 |
US9380512(B2) |
申请公布日期 |
2016.06.28 |
申请号 |
US201414174510 |
申请日期 |
2014.02.06 |
申请人 |
Raytheon BBN Technologies Corp. |
发明人 |
Merlin Christophe Jean-Claude;Tetteh William Nii |
分类号 |
H04W40/06;H04W4/06;H04W40/32;H04W40/24 |
主分类号 |
H04W40/06 |
代理机构 |
Schwegman Lundberg & Woessner, P.A. |
代理人 |
Schwegman Lundberg & Woessner, P.A. |
主权项 |
1. A method for finding optimal routes for multicast transmissions over broadcast media to a destination set of nodes, the method comprising:
placing nodes into a cost matrix representing a connected graph of nodes; identifying virtual nodes by applying matrix operations to the cost matrix, each of the virtual nodes being defined as a combination of nodes reachable via a single multicast transmission from a corresponding source node, wherein each of the virtual nodes has a link cost equal to a maximum link cost from among its combination of nodes; and executing an incremental backtracking procedure to build a solution set of candidate routes including virtual nodes, virtual nodes that are subsets of virtual nodes, and actual nodes to carry multicast transmissions to the destination set of nodes; and selecting an optimal set of routes from among the candidate routes that have a combined lowest overall link cost to the destination set of nodes. |
地址 |
Cambridge MA US |