센서 네트워크를 위한 저전력 패킷 재전송 방법 및 장치
여건민, 김영일, 류원
- 9819466 (2017.11.14)
- A method of retransmitting a packet for low-power wireless sensor communications of a coordinator in a sensor network is provided. The method includes receiving packets from a plurality of sensor devices during a plurality of guaranteed time slots (GTSs) of a Contention Free Period (CFP) which are allocated to the respective sensor devices; checking whether there is an error in each of the received packets; generating one GTS Bulk ACK frame that contains pieces of ACK information to be transmitted to the respective sensor devices, according to the error check results; and transmitting the generated GTS Bulk ACK frame to the plurality of sensor devices.
- KSP 제안 키워드
- Contention Free Period(CFP), Low-Power, Low-power wireless, Sensor device, Sensor networks, Time slot, wireless sensor