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  • Multimodal Indoor Localization: An Audio-Wireless-Based Approach
    Regarding WiFi technology, several research groups have already tried to leverage RSSI fingerprinting for localization: • Radar [8]: represents the first fingerprinting system achieving the localization of portable devices, with ac- curacies of 2 to meters .
  • PACS-UB, a protocol for the unlicensed spectrum
    A portable can scan all 32 channels measuring RSSI and QI in less than 200 msec. … local mean S/I greater than 17 dB when the ports are spaced 10 to 20 meters apart.
  • Robust ultrasonic indoor positioning using transmitter arrays
    … is reliable positioning in rooms in a hospital, so a range of 10 meters or more is … The required components are a portable tag with an ultrasound receiver which outputs the Received Signal Strength Indicator ( RSSI ) value, and in the future also the velocity, as described in [7] and one or more stationary, array-based ultrasound transmitters.
  • http://www.nxp.com/documents/data_sheet/SA608.pdf
    … • SA608 meets cellular radio specifications • Audio output internal op amp • RSSI output internal op … APPLICATIONS • Portable cellular radio FM IF • Cordless phones • Narrow band cellular applications (NAMPS/NTACS) • RF level meter • Spectrum analyzer • Instrumentation • FSK and ASK data receivers • Log amps • Portable high performance communication receivers • Single …
  • Smart Phone Based Indoor Pedestrian Localization System
    Regarding Wi-Fi technology, several research groups have already tried to leverage RSSI fingerprinting for localization: • Radar [10]: represents the first fingerprinting system achieving the localization of portable devices, with accuracies of 2 to 3 meters .
  • http://dspace.mit.edu/bitstream/handle/1721.1/79308/847631280-MIT.pdf?sequence=2
    Several commercial services [44] provide databases of Wi-Fi access point locations, which can be used by a portable internet device with only Wi-Fi to infer location within about 25 to 50 meters . RSSI -based localization has also been a popular topic in sensor networks re- search, often using 802 …
  • http://dspace.mit.edu/bitstream/handle/1721.1/55185/608265530-MIT.pdf?sequence=2
    A Portable node location 2 meters Figure 4.2.2: Map of Receive and Transmit Locations for RSSI Tests .
  • Test of 2.5 GHz WiMAX performances for business and SOHO in a multi-service environment
    In particular, CPE2 is located at a distance of 5000 and 8000 meters from the BS in … The SU2 , the switch and the client PCs are powered by a portable DC to AC power … For CPE2 we measure a DL RSSI of -71 dBm and -77 dBm and a UL RSSI …
  • Experimental Evaluation of IEEE 802.16 WiMAX Performances at 2.5 GHz Band
    … rural area, as shown in Figure 3, at an altitude of about 90 and 160 meters , respectively. The SU2, the switch and the client PCs are powered by a portable DC to AC power … For CPE2 we measure a DL RSSI of -71 dBm and -77 dBm and a UL RSSI …
  • http://www.nxp.com/documents/data_sheet/SA606.pdf
    …  SA606 meets cellular radio specifications  Audio output internal op amp  RSSI output internal op …  Portable cellular radio FM IF  Cordless phones  Wireless systems  RF level meter .
  • Informatics Engineering and Information Science
    Regarding WiFi technology, several research groups have already tried to leverage RSSI fingerprinting for localization: Radar [24]: represents the first fingerprinting system achieving the localization of portable devices, with accuracies of 2 to 3 meters .
  • Transmission Power Control based on temperature and relative humidity
    … 1.3Km, 2Km}, in Table 1, results of different EIRP, LP, C and RSSI estimates in dBm … Also, the noise floor (N) was measured with a portable radio-frequency (RF) spectrum analyzer to be … The result was as if we moved the BS 75 meters from the experimental CLH nodes.
  • Wireless sensor networks for resources tracking at building construction sites
    … technology is originally designed as a short-range wireless connectivity solution for personal, portable , and handheld electronic … Similar to Wi-Fi, Bluetooth can provide several meters of localization accuracy based on the popular RSSI methodology.
  • Microwave Show Comes To The City By The Bay | Content content from Microwaves & RF
    The portable instrument is designed for testing vehiclebased radio systems used predominantly by first responders. … RF power, RF frequency error, AM modulation, FM deviation, Receive Signal Strength Indicator ( RSSI ), distortion and SINAD/ … It features a builtin VSWR meter and other test capabilities invaluable when checking vehicular radio systems.
  • https://www.duo.uio.no/bitstream/handle/10852/9742/Svalastog.pdf?sequence=1
    … the maximal distance between an access point and the mobile device to 8 metres , and thus restricts … In addition, the accuracy of the value which the computed RSSI is inferred from is also not … … to offer a service that allows a mobile user to visualise on his portable , Bluetooth-enabled device …