The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2012
Filed:
Jan. 12, 2009
Eui Jik Kim, Suwon-si, KR;
Sun Gi Kim, Seoul, KR;
Hyo Hyun Choi, Seoul, KR;
VU Thuy Dan Nguyen, Yongin-si, KR;
Jeong Geun Kim, Yongin-si, KR;
Eui Jik Kim, Suwon-si, KR;
Sun Gi Kim, Seoul, KR;
Hyo Hyun Choi, Seoul, KR;
Vu Thuy Dan Nguyen, Yongin-si, KR;
Jeong Geun Kim, Yongin-si, KR;
Samsung Electronics Co., Ltd., Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A communication terminal and method is provided for improving channel utilization efficiency in a wireless sensor network using contention-based channel access mechanism is disclosed. The communication method according to the present invention comprises initializing, when a packet transmission is required, a contention window to a size; resetting, when a channel is assessed to be busy, the size of the contention window in a hybrid expansion mode; and attempting, when the channel is assessed to be idle, the packet transmission through the channel.