Channel Fading: Signal experiencing fluctuations in amplitude
https://www.geeksforgeeks.org/computer-networks/fading-in-wireless-communication/
https://www.sciencedirect.com/topics/engineering/fading-channel
Signal Attenuation: Natural Loss of signal strength that occurs as a signal travels through medium or over a distance.
https://en.wikipedia.org/wiki/Attenuation
https://www.sciencedirect.com/topics/computer-science/signal-attenuation
Binary Phase Shift Keying (BPSK):
– represent digital data using phase; this technique -> phase shift keying (PSK)
– Type of PSK -> binary phase shift keying (BPSK): use of two phase offsets
– Very useful in satellite navigation
https://www.geeksforgeeks.org/electronics-engineering/bpsk-binary-phase-shift-keying/
https://www.allaboutcircuits.com/textbook/radio-frequency-analysis-design/radio-frequency-modulation/digital-phase-modulation-bpsk-qpsk-dqpsk/
https://gssc.esa.int/navipedia/index.php/Binary_Phase_Shift_Keying_Modulation_(BPSK)
https://en.wikipedia.org/wiki/Phase-shift_keying
https://ensatellite.com/bpsk/
https://www.ece.unb.ca/tervo/ece4253/qpsk.shtml
Channel:
– Specific Frequences in electromagnetic spectrum
– Used to transmit data wirelessly, made of several channels
https://us.hitrontech.com/blog/what-are-network-channels-and-how-does-it-affect-my-wifi/
https://www.cbtnuggets.com/blog/technology/networking/what-is-wireless-channel
https://www.watchguard.com/help/docs/help-center/en-us/Content/en-US/Fireware/wireless/ap_about_wireless_modes_c.html
https://www.metageek.com/training/resources/why-channels-1-6-11/
Dithering: Intentional addition of small amount of low level random noise to a digital wireless signal; randomize quantization error
https://en.wikipedia.org/wiki/Dither
Carrier Phase: Measurement of phase of received signal relative to the phase generated by the receiver at the receiption time
https://www.sciencedirect.com/topics/engineering/carrier-phase
Decode and Forward (DF): relaying strategy; relay node receives a signal, decodes it into its original data, reencodes and transmits
https://www.sciencedirect.com/topics/computer-science/decode-and-forward
https://www.ripublication.com/ijaer10/ijaerv10n7_163.pdf
Frequency Hoping: change carrier frequency; also known as FHSS (Frequency Hopping Spread Spectrum) https://en.wikipedia.org/wiki/Frequency-hopping_spread_spectrum
https://ieeexplore.ieee.org/document/1179594