Invention Grant
US08325017B2 Time slot allocation apparatus and method for preventing collisions between time slots in TDMA-based RFID network
有权
用于防止基于TDMA的RFID网络中的时隙之间的冲突的时隙分配装置和方法
- Patent Title: Time slot allocation apparatus and method for preventing collisions between time slots in TDMA-based RFID network
- Patent Title (中): 用于防止基于TDMA的RFID网络中的时隙之间的冲突的时隙分配装置和方法
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Application No.: US12064739Application Date: 2007-11-16
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Publication No.: US08325017B2Publication Date: 2012-12-04
- Inventor: Geun Sik Jo , Seung Bo Park , Young Hoon Yu
- Applicant: Geun Sik Jo , Seung Bo Park , Young Hoon Yu
- Applicant Address: KR Incheon
- Assignee: INHA-Industry Partnership Institute
- Current Assignee: INHA-Industry Partnership Institute
- Current Assignee Address: KR Incheon
- Agency: H.C. Park & Associates, PLC
- Priority: KR10-2007-0096781 20070921
- International Application: PCT/KR2007/005775 WO 20071116
- International Announcement: WO2009/038247 WO 20090326
- Main IPC: H04Q5/22
- IPC: H04Q5/22 ; H04L12/43
Abstract:
The present invention relates to a time slot allocation apparatus and method for preventing collisions between time slots in a TDMA-based RFID network. The time slot allocation apparatus allocates time slots, obtained by dividing a same frequency band into unit time slots, to RFID readers for reading identification codes of RFID tags (10) in the TDMA-based RFID network. A time slot allocation device (33a) allocates time slots required for communication with the RFID tags to a plurality of RFID readers (20) provided in the RFID network. A collision prevention device (33b) performs control such that the time slot allocation device allocates time slots to the plurality of RFID readers while distributing different and non-successive time slots to adjacent RFID readers, thus preventing collisions from occurring between time slots allocated to the RFID readers.
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