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Charter Spectrum service logo. Charter Communications, Inc., is an American telecommunications and mass media company with services branded as Spectrum.With over 32 million customers in 41 states, [5] [1] it is the largest cable operator in the United States by subscribers, [6] just ahead of Comcast, and the largest pay TV operator ahead of Comcast and AT&T. [7]
Frequency-hopping spread spectrum ( FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many frequencies occupying a large spectral band. The changes are controlled by a code known to both transmitter and receiver. FHSS is used to avoid interference, to prevent eavesdropping, and to enable code ...
Time Warner Cable building entrance in Morrisville, North Carolina. Time Warner Cable, Inc. ( TWC) was an American cable television company. Before it was acquired by Charter Communications on May 18, 2016, it was ranked the second largest cable company in the United States by revenue behind only Comcast, operating in 29 states. [ 1]
9. Share your passwords. Your friend’s internet provider gets him streaming services A, B and C, while yours gives you X, Y and Z. Again, this is not about creators struggling to get their ...
CDMA is a spread-spectrum multiple-access technique. A spread-spectrum technique spreads the bandwidth of the data uniformly for the same transmitted power. A spreading code is a pseudo-random code in the time domain that has a narrow ambiguity function in the frequency domain, unlike other narrow pulse codes. In CDMA a locally generated code ...
Wi-Fi security is paramount to personal privacy and the second largest cable and internet provider in the United States is throwing that out the window by advising customers to change their Wi-Fi ...
Audio frequency-shift keying. Audio frequency-shift keying (AFSK) is a modulation technique by which digital data is represented by changes in the frequency ( pitch) of an audio tone, yielding an encoded signal suitable for transmission via radio or telephone. Normally, the transmitted audio alternates between two tones: one, the "mark ...
Orthogonality. Conceptually, OFDM is a specialized frequency-division multiplexing (FDM) method, with the additional constraint that all subcarrier signals within a communication channel are orthogonal to one another. In OFDM, the subcarrier frequencies are chosen so that the subcarriers are orthogonal to each other, meaning that crosstalk ...