[Retracted] Communication Network for Sports Activity Monitoring Systems

Table 1

Transmission path of wireless body area network.

Channel model	Frequency band
In vivo-in vivo	402–405 MHz
Body-surface	402–405 MHz
In vivo-in vitro	402–405 MHz
Body surface-body surface (LOS)	400, 600, 900 MHz, 2.4 GHz
Body surface-body surface (NLOS)	400, 600, 900 MHz, 2.4 GHz
Body surface-in vitro (LOS)	400, 600, 900 MHz, 2.4 GHz
Body surface-in vitro (NLOS)	400, 600, 900 MHz, 2.4 GHz