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Multipath mitigation is a term typically used in Code Division Multiple Access (CDMA) communications and in GNSS navigation to describe the methods that try to compensate for or cancel the effects of the Non Line Of Sight (NLOS) propagation. The multipath effect occurs when a signal is received not only through a Line of Sight (LOS) path, but also through one or several NLOS paths.
The multipath, if not addressed or compensated, can significantly reduce the performance of the communication and navigation receivers. Various multipath mitigation methods can be used to estimate and remove the undesired NLOS components.[1]
Chip manufactures of CDMA and GNSS receivers, such as Qualcomm, Leica, NovAtel, Septentrio, etc. typically have multipath mitigation algorithms supported by their chipsets. One of the first works in the field of GPS multipath mitigation is in[2]
^Bhuiyan2012
^Brekel1992
and 21 Related for: Multipath mitigation information
Multipathmitigation is a term typically used in Code Division Multiple Access (CDMA) communications and in GNSS navigation to describe the methods that...
Septentrio’s products make use of APME, the company’s original multipath-mitigation technology, on-the-fly ambiguity fixing schemes based on the LAMBDA...
Ohio University, a seat he has held since 2004. His work on GPS multipathmitigation and Selective Availability is held to high regard in the scientific...
In wireless systems, fading may either be due to multipath propagation, referred to as multipath-induced fading, weather (particularly rain), or shadowing...
Watteyne, T.; Lanzisera, S.; Mehta, A.; Pister, K. S. J. (2010-05-01). "MitigatingMultipath Fading through Channel Hopping in Wireless Sensor Networks". 2010...
handover capabilities. Multipath TCP also brings performance benefits in datacenter environments. The reference implementation of Multipath TCP was developed...
links Measurements of fixed and mobile channels Propagation models Multipathmitigation Fixed terrestrial links: measurements and design strategies Surface/atmosphere...
narrow correlator spacing, have been developed to mitigatemultipath errors. For long delay multipath, the receiver itself can recognize the wayward signal...
firmware running on that hardware, to implement iSCSI. A hardware initiator mitigates the overhead of iSCSI and TCP processing and Ethernet interrupts, and...
interfere with each other at the receiving antenna, causing multipath fading. Multipath fades are usually deep only in a small spot and a narrow frequency...
gases, rain, fog and clouds. Fading due to variations of the channel, multipath losses and antenna misalignment. In non line of sight links, diffraction...
used with coherent modulations such as phase-shift keying, mitigating the effects of multipath propagation and Doppler spreading. Adaptive equalizers are...
receiving antenna. Antenna diversity is especially effective at mitigating these multipath situations. This is because multiple antennas offer a receiver...
delay-doppler representation). It effectively transforms the time-varying multipath channel into a 2D channel in the Delay-Doppler domain. Using this transformation...
antennas, but Non Line Of Sight usually requires alternative paths or multipath propagation methods. How to achieve effective NLOS networking has become...
segments due to multipath fading or high BER) with the use of timeouts and duplicate acknowledgments. WTCP then attempts to mitigate the problem by retransmitting...
applications 2023 Michael Braasch For contributions to GPS multipath error characterization and mitigation Karen Haigh For contributions to closed-loop control...
pseudorange measurements and detailed analysis of the tracking noise and multipath performance of GIOVE-A ranging signals have been performed with the use...
attaining global scale and becoming the primary communication network. Multipath TCP was the first extension to a core Internet protocol to deeply confront...
sector-wide and sub-sector beam processing to improve link performance in multipath environments. Sub-sector beam processing can optimise changing user demographics...
problems for extreme northerly latitudes, affecting connectivity and causing multipath interference (caused by signals reflecting off the ground and into the...
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