Performance Evaluation of Wireless WIT2410 Radio Frequency Transceiver used in AMIGO (Autonomous Microsystems for Ground)

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Authors
  1. Comeau, D.
  2. Laou. P.
  3. Durand, L.
Corporate Authors
Defence R&D Canada - Valcartier, Valcartier QUE (CAN)
Abstract
The objective of project AMIGO (Autonomous MIcrosystems for Ground Observation) is to develop a proof-of-concept, low-cost, compact unattended ground sensor suite that can provide the CF with real-time situational awareness from remote locations. Two of the major components in AMIGO are the RF transceiver and antennas for wireless communication that must provide reliable connectivity between the base station and each remote unit in any battlefield conditions. The transmission scheme should also be low probability of detection and interception (LPD/LPI). After a rigorous selection process, the RF transceiver WIT2410 was chosen for this R&D work. The WIT2410 (Wireless Industrial Transceiver) from Cirronet can provide wireless connectivity in point-to-point or point-to-multipoint applications. The frequency hopping spread spectrum technology of the WIT2410 ensures maximum noise resistance, multi-path fading immunity, robustness in presence of interfering signals, LPD and LPI. In this work, different types of antennas and antenna configurations were tested with the transceivers at various locations of DRDC Valcartier. The RF signal strengths were recorded and compared. With this information, one can determine the WIT2410 limitation, reliability, and achievable range in different settings. With the transceiver set at 100 mW RF output power, the best signal strength-to-distance was obtained using the Cirronet 2 dB dipole antenna (RWA249R) for the remote sensors located both indoors

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Keywords
IEEE 802.11 Protocol;RF Tranceiver;Wireless Industrial Transceiver;Wireless Data Transmission;Spread Spectrum;Unattended Ground Sensors;Antenna;AMIGO (Autonomous MIcrosystems for Ground Observation);Remote Ground Sensors;Wireless communications
Report Number
DRDC-VALCARTIER-TN-2004-050 — Technical Note
Date of publication
01 Mar 2005
Number of Pages
38
DSTKIM No
CA025513
CANDIS No
523255
Format(s):
CD ROM

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