| US 7,468,964 B2 | ||
| Beacon scheduling method in wireless sensor network system | ||
| Ji-tae Kim, Gyeonggi-do (Korea, Republic of) | ||
| Assigned to Samsung Electronics Co., Ltd., Suwon-si (Korea, Republic of) | ||
| Filed on Nov. 14, 2005, as Appl. No. 11/271,843. | ||
| Claims priority of provisional application 60/626880, filed on Nov. 12, 2004. | ||
| Claims priority of application No. 10-2005-0084268 (KR), filed on Sep. 09, 2005. | ||
| Prior Publication US 2006/0104241 A1, May 18, 2006 | ||
| Int. Cl. H04Q 7/00 (2006.01) | ||
| U.S. Cl. 370—329 [370/445] | 11 Claims |
| 1. A beacon scheduling method of a router by a coordinator in a network system that includes the coordinator and at least
one router, the method comprising:
receiving an allocation request signal of a time period in which a beacon of the router is transmitted;
determining the time period to be allocated to the router based on information relating to a time period allocation state;
and
transmitting information relating to the determined time period to the router;
wherein the determining of the time period comprises determining a Tx offset which corresponds to an allocable time period;
and
the Tx offset is determined based on the determined time period to be allocated and on time period in which the router receives
a beacon from a parent of the router.
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