Table 1 Notations
From: NBP: light-weight Narrow Band Protection for ZigBee and Wi-Fi coexistence
Notations | Meanings |
|---|---|
λ z | packet arrival rate for ZigBee |
T z | mean inter arrival time for ZigBee |
Ď„ z | transmission time for a data packet for ZigBee |
Ď„ z a | transmission time for an ACK packet for ZigBee |
Ď„ c t s | transmission time for a CTS packet for ZigBee |
β z | total time required from backoff to ACK for ZigBee |
J z | channel switching time for ZigBee |
Îł z | handshake time for the exchange of data and ACK for ZigBee |
U z | slot time for ZigBee |
R z | retransmission limit (default to 3[2]) for ZigBee |
C z | time for a correlation with PN sequences |
B k | the duration of k-th backoff attempt |
λ w | packet arrival rate for Wi-Fi |
T w | mean inter arrival time for Wi-Fi |
Ď„ w | transmission time for a data packet for Wi-Fi |
Ď„ w a | transmission time for an ACK packet for Wi-Fi |
β w | total time required from backoff to ACK for Wi-Fi |