Accesso libero

TDMA-clustering-based approach to avoid the reader-to-tag collision problem during the stocktaking process

,  e   
28 mag 2021
INFORMAZIONI SU QUESTO ARTICOLO

Cita
Scarica la copertina

Figure 1:

(a) The readers-to-tag collision: the collision happens when R1 and R2 interrogate T simultaneously. (b) The Reader-to-reader collision: R1 interference range affects R2 reading range and hence R2 cannot read T.
(a) The readers-to-tag collision: the collision happens when R1 and R2 interrogate T simultaneously. (b) The Reader-to-reader collision: R1 interference range affects R2 reading range and hence R2 cannot read T.

Figure 2:

Deployed RFID architecture of the stocktaking use case.
Deployed RFID architecture of the stocktaking use case.

Figure 3:

General automata for the proposed protocol.
General automata for the proposed protocol.

Figure 4:

Double Scan Coordination.
Double Scan Coordination.

Figure 5:

Flowchart of the proposed protocol.
Flowchart of the proposed protocol.

Figure 6:

Triple scan coordination.
Triple scan coordination.

Figure 7:

Packet average response time in milliseconds.
Packet average response time in milliseconds.

Figure 8:

Packet overhead.
Packet overhead.
undefined

Figure 9:

Message sequence chart of double scan coordination.
Message sequence chart of double scan coordination.

Set of the Protocol’s messages_

MessageSemanticResponse
scnStateInform the neighbors of start of scanOk
snsStateInform the neighbors of end of scanOk
remScanAsk the neighbor for his list of remaining scansscanRep
continue_scanAsk the neighbor to continue its regular scanOk
continue_scan_newSeqSend the neighbor it’s updated scan sequence and ask him to continue the next scanOk
start_double_scanAsk the neighbor to start synchronized double scanOk
continue_double_scanAsk the neighbor to continue next synchronized double scanOk
start_triple_scan_newSeq_sesMemSend the neighbor it’s updated scan sequence and the other neighbor’s address, and ask him to start the synchronized triple scanOk
start_triple_scan_sesMemSend the neighbor the other neighbor’s address and ask him to start the synchronized triple scanOk
continue_triple_scanAsk the neighbor to continue next synchronized triple scanOk
EOCSInform the neighbors of end of current scanOk
Lingua:
Inglese
Frequenza di pubblicazione:
1 volte all'anno
Argomenti della rivista:
Ingegneria, Introduzioni e rassegna, Ingegneria, altro