Capacity analysis of an ultrawideband active RFID system

Kheiri, F.; Dewberry, Brandon; Joiner, L.L.; Wu, Dongsheng

doi:10.1109/secon.2008.4494267

Cited by 1 publication

(1 citation statement)

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“…Based on I-UWB capacity [19], it can cover a large number of radios depending on the packet length. If a radio is not accessible by three other radios its movement is chosen as a step back towards the gravity point.…”

Section: Moving Protocolmentioning

confidence: 99%

Impulse Ultrawideband ad-hoc tracking and communication network

Kheiri

Dewberryy

Jackson

et al. 2008

MILCOM 2008 - 2008 IEEE Military Communications Conference

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We propose a new dispersing protocol for mobile radios equipped with Impulse-Ultra Wideband (I-UWB) communication tools. Our network supports communication and ranging between mobile nodes localized at a central base station. The mobile radios are autonomous and make independent decisions based on the information they receive from other radios. Their decision for the direction they move should support their connectivity with other radios, minimize position dilution of precision (PDOP), and increase the covered area. To localize a radio, it needs to be seen by three other radios to have a unique solution for the location of that radio. The proposed protocol has been designed in a way that radios are able to explore and map an unknown floor space. These radios use I-UWB to communicate with each other. The pulsed-transmission nature of I-UWB has many advantages over conventional continuous-wave communication including non-interference, multi-path immunity, and precision through-wall ranging capability. We utilized the non-interfering advantage for re-assessment of pure Aloha scheduling. Through modeling and experimentation we found Aloha is compelling for real-time I-UWB communication and positioning in a mesh of mobile nodes with continually changing network dynamics. The throughput of Aloha for the applied system has been compared with a narrowband system.

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Section: Moving Protocolmentioning

confidence: 99%