METHOD FOR SPECTRUM SENSING IN COGNITIVE RADIO NETWORKS WITH OPEN WIRELESS ARCHITECTURE
First Claim
1. An Open Wireless Architecture (OWA) spectrum sensing method for secondary user of spectrum in cognitive radio networks, said method comprising selection of sensing node, configuration for location of each said sensing node, sensing frame for control of sensing process, and division of sensing region, wherein configuration of said sensing node is based on node selection and node location in different divided small sensing areas, and implementation of said sensing process is based on both sensing scheduling and spectrum signal sensing.
2 Assignments
0 Petitions
Accused Products
Abstract
This invention relates to a method for controlling location distribution of sensing nodes, selection of sensing nodes, control of sensing implementation and process of performing spectrum sensing in cognitive radio networks of open wireless architecture (OWA) systems. Specifically, the invention relates to an efficient and reliable method minimizing time overhead consumed during spectrum sensing with open wireless architecture (OWA).
-
Citations
20 Claims
- 1. An Open Wireless Architecture (OWA) spectrum sensing method for secondary user of spectrum in cognitive radio networks, said method comprising selection of sensing node, configuration for location of each said sensing node, sensing frame for control of sensing process, and division of sensing region, wherein configuration of said sensing node is based on node selection and node location in different divided small sensing areas, and implementation of said sensing process is based on both sensing scheduling and spectrum signal sensing.
- 19. An Open Wireless Architecture (OWA) spectrum sensing method for secondary user of spectrum in cognitive radio networks, said method comprising a process as to which frequency band is sensed by which sensing node that is a cooperative sensing mechanism by using multiple selected said sensing nodes, wherein each secondary user of spectrum is selected as one of said sensing nodes depending on its current service condition (active or idle) and if one said secondary user is idle, then it may be selected as one said sensing node to fulfill local spectrum utilization sensing with a local sensing result collected by a decision center of said spectrum sensing, otherwise it is not selected to complete sensing task.
Specification