What does antenna gain mean
[DOCX File]Jenny List, “At 71,572 KM, You Won’t Beat This LoRa Record”,
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For troposcatter, it is critical for the antenna has a radiation angle that is as close to level as possible. Each degree above the horizon increases the path loss by roughly 10dB. Not only does this mean that the antenna should be level and pointed to the horizon, it should also be elevated roughly 7-10 wavelengths above the ground.
[DOC File]ANTENNA'S 26Jan01
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What does "antenna front-to-back ratio" mean in reference to a Yagi antenna? 1. The relative position of the driven element with respect to the . reflectors and directors * 2. The power radiated in the major radiation lobe compared to the power . radiated in exactly the opposite direction. 3.
[DOC File]ANALYSIS OF SHARING BETWEEN EARTH EXPLORATION …
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The other option, that consist to increase the antenna gain, allows higher FS deployments density, hence being more efficient. Moreover, the proposed analysis using ITU-R F.1245 [8] antenna RPEs shows that at this frequency band the overall probability of interference cases between intra-band FS-systems decreases if antenna gain is increased.
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The gain of an antenna in a given direction is the amount of energy radiated in that direction compared to the energy an isotropic antenna would radiate in the …
[DOC File]doc.: IEEE 802.11-09/0296r16
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Basic steerable antenna model with a directional antenna pattern defined as a Gaussian function with 300 mainlobe beamwidth and -20 dB backlobe, refer to [3] To steer directional antennas, algorithm adjusting TX and RX antenna patterns towards the most power channel ray is suggested as the standard beamforming algorithm.
[DOC File]Antenna Pattern Measurement: Concepts and Techniques
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However, the VSWR of the receive antenna can be used to determine this effect. Fortunately, the gain of the receive antenna does not need to be known exactly (other than to double-check the calibration result against theoretical predictions) because it will be measured as part of the range calibration process.
[DOC File]REPORT ITU-R M.2040 - Adaptive antennas concepts and key ...
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4 BS antenna gain. Throughout, FDD BSs are considered to have a maximum gain of 15 dBi with a degree of down tilt such that the gain towards the horizon is reduced by 3 dB. For the TDD BSs utilizing adaptive antenna technology, however, each beam is modelled in E-plane and H-plane according to Fig. 12. 10.1. 5 UE beam-forming
[DOC File]Samsung Electronics’s proposal to IEEE 802
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Fig. 7 shows the average effective antenna gain as a function of the number of subchannels. Due to the non-directional nature of the channel, wider beams are necessary to combine the multipaths, resulting in a reduced array factor gain on any subcarrier. As a result, the mean effective antenna array gain in OFDMA is lower than in the correlated ...
[DOC File]RADAR BASICS - UAH
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In other words, the power out of the antenna is not the ; it is . is the power one would need to transmit from an isotropic antenna in order to get the same power density on the target that one gets from the actual antenna. has the units of watts. is the gain of the receive antenna and is calculated using the same equations as above.
[DOCX File]WIRELESS PATH LOSS COMPUTATIONS - Saroj Dhakal
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The equation above does not include any component for antenna gains. It is assumed that the antenna gain is unity for both the transmitter. In reality, though, all antennas will have a certain amount of gain and this will affect the overall affect. Any antenna gain will reduce the "loss" when compared to a unity gain …
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