Abstract
Medical Body Area Network is a narrowband body area network (NB-BAN) with a 2360 - 2400 MHz allocated band (MBAN). This paper investigates the bit error rate (BER) and maximum allowable data throughput in the on-body to off-body scenario of the 2390 - 2400 MHz band, allocated for indoor applications. The paper investigates two Tx node positions and different activities, such as standing and walking, assuming different distances from the Rx. The achieved bit energy to noise energy ratio ranges from 11 to 47 dB for the right wrist to an off-body node link (scenario one) depending on the activity, and from 13 to 20 dB for the chest to off-body node link (scenario two) assuming a distance of 4 m between the transmitting and receiving nodes. Assuming different activities, the achieved data throughput ranges from 3.4 kbps to 13.5 Mbps for the first scenario and 1.7 Mbps to 8.54 Mbps for the second scenario. Due to the high movement of the transmit node in the latter case, which results in a dense environment, the chest-to-off-body link achieves superior BER performance and data throughput than the right wrist-to-off-body link during the walking activity
Published Version
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