Results 231 to 240 of about 5,492,622 (265)
Some of the next articles are maybe not open access.
Direction of Arrival Estimation With the Received Signal Strength Gradient
IEEE Transactions on Vehicular Technology, 2018Direction of arrival (DoA) estimation has wide-ranging applications and is particularly challenging in complex propagation environments. Conventional approaches estimate the DoA based on the phase of the impinging signal on a sensor array. This approach has several challenges: for example, it requires tight synchronization among array elements and the ...
Gunjan Verma +3 more
openaire +2 more sources
Impact of orientation and wire placement on received signal strengths
2016 IEEE 21st International Workshop on Computer Aided Modelling and Design of Communication Links and Networks (CAMAD), 2016Many radio transceivers provide an instantaneous measure of radio-frequency (RF) energy through their received signal strength indicator (RSSI) output. Applications of this measurement include media access control (MAC), e.g., implemented as listen-before-talk (LBT), and location estimation.
Nicholas M. Boers, Derek Mak
openaire +1 more source
A Cognitive Algorithm for Received Signal Strength Based Localization
IEEE Transactions on Signal Processing, 2015In this paper, we propose a method to localize a wireless and stationary blind node based on received signal strength measurements; the positioning scheme relies on the statistical path loss model. The operating environment is either non-homogeneous, i.e., the attenuation factors of the various links are different, or homogeneous, i.e., all links share
BANDIERA, Francesco +2 more
openaire +1 more source
Received signal strength calibration for handset localization in WLAN
2012 IEEE International Conference on Communications (ICC), 2012Terminal localization for indoor Wireless Local Area Networks (WLANs) is critical for the deployment of location based services inside of buildings. A key challenge in localization arises when more than one mobile device is used for collecting received signal strength (RSS) measurements due to the existence of inconsistencies in the signal measurement ...
Diego Felix, Michael McGuire
openaire +1 more source
Characterization of Distance Error with Received Signal Strength Ranging
2010 IEEE Wireless Communication and Networking Conference, 2010Location aware applications benefit from accurate position information. The position uncertainty can be reduced through cooperative localization in distributed systems with accurate point-to-point ranging. Received signal strength (RSS) measurement enables low cost, low complexity distance estimation.
Jared Dulmage +3 more
openaire +2 more sources
The Effect of Regeneration on the Received Signal Strength
Proceedings of the IRE, 1928It is the purpose of this paper to give a theory of the effect of regeneration using the solution of a non-linear differential equation, and to present experimental verification of the theory. It is shown that: (a) as a first approximation, detection has no effect on the radio-frequency grid voltage developed under the influence of an incoming signal, (
openaire +1 more source
Analysis and Design of CMOS Received Signal Strength Indicator
IEEE Transactions on Circuits and Systems I: Regular Papers, 2014This paper presents a CMOS received signal strength indicator (RSSI) based on the successive detection architecture. Theoretical analyses of the RSSI value, error, and dynamic range are developed. The RSSI value relates to the single-stage voltage gain and the saturated output voltage level of each limiting ampifier cell. The RSSI error depends only on
openaire +1 more source
Train Tracking and Shadowing Estimation Based on Received Signal Strength
2011In this work, we present an on-board solution for train position tracking that can be used in cases of GPS failures and that does not suffer from the error accumulation problem of Dead Reckoning (DR). It is based on Received Signal Strength (RSS) measured in radio communication systems by several mobile stations having antennas placed on top of ...
Noureddine Al Moussawi, Hadi +2 more
openaire +3 more sources
Cellular received signal strength indicator circuit
36th IEEE Vehicular Technology Conference, 1986One very important function of the voice radio at a cell site of a cellular radio system is the identification of the signal strength received at the cell site from various mobile radios. These signal level measurements are used to determine cell assignments during the call origination process and also to determine hand-off of calls between cells. As a
openaire +1 more source
A Low Power Received Signal Strength Indicator for Short Distance Receiver
2013A low power received signal strength indicator (RSSI) with limiter amplifier (LA) and an integrated automatic gain control (AGC) loop are fabricated in SMIC 0.13 μm technology for short distance receiver. The proposed limiter achieves minimum power dissipation which uses six-stage amplifier architecture.
Qianqian Lei +3 more
openaire +1 more source