Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific...

the spectral efficiency by a factor of 2. This is a cost-effective alternative to utilizing 16-PSK, instead of QPSK to double the spectral efficiency. Any...

include: quality of service targets, traffic capacity and cell size, spectral efficiency and sectorization, traffic capacity versus coverage, and channel...

Spectral sensitivity is the relative efficiency of detection, of light or other signal, as a function of the frequency or wavelength of the signal. In...

CDMA spectral efficiency refers to the system spectral efficiency in bit/s/Hz/site or Erlang/MHz/site that can be achieved in a certain CDMA based wireless...

noise Least-squares spectral analysis Noise spectral density Spectral density estimation Spectral efficiency Spectral leakage Spectral power distribution...

shared spectrum efficiency (FSSE) can be used as a combined measure of fairness and system spectrum efficiency. The system spectral efficiency is the aggregate...

The quadrupling of overall throughput is made possible by a higher spectral efficiency. 802.11ax Wi-Fi has a main feature called OFDMA, similar to how cell...

signal-to-noise ratio (SNR) in that bandwidth divided by the "gross" link spectral efficiency in (bit/s)/Hz, where the bits in this context again refer to user...

because the phase continuity yields high spectral efficiency, and the constant envelope yields excellent power efficiency. The primary drawback is the high implementation...

higher capacity for many simultaneous data transfers (higher system spectral efficiency in bit/second/Hertz/site). New mobile generations have appeared about...

Characteristics and principles of operation section below. High spectral efficiency as compared to other double sideband modulation schemes, spread spectrum...

open standard deposited at ETSI. DAB can give substantially higher spectral efficiency, measured in programmes per MHz and per transmitter site, than analogue...

capacity. Efficient dynamic RRM schemes may increase the system spectral efficiency by an order of magnitude, which often is considerably more than what...

lookup tables. In theory CDMA, TDMA and FDMA have exactly the same spectral efficiency, but, in practice, each has its own challenges – power control in...

points with roaming permitted between them. Over time, the speed and spectral efficiency of Wi-Fi has increased. As of 2019,[update] some versions of Wi-Fi...

algorithms such as an adaptive equalizer at the receiver. GMSK has high spectral efficiency, but it needs a higher power level than QPSK, for instance, in order...

multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and bandwidth to mobile network operators compared to previous 2G...

to send a given quantity of data over a limited bandwidth. A high spectral efficiency in (bit/s)/Hz can be achieved; i.e., a high bit rate in bit/s although...

limited by the spectral sensitivity functions of the visual opsins. The range is defined psychometrically by the luminous efficiency function, which...

very high SNR to operate. As the modulation rate increases, the spectral efficiency improves, but at the cost of the SNR requirement. Thus, there is...

can greatly increase the spectral efficiency of the network. The advantages of D2D communications go beyond spectral efficiency; they can potentially improve...

communications systems, such as in 802.11 Wi-Fi standards. Arbitrarily high spectral efficiencies can be achieved with QAM by setting a suitable constellation size...

collision avoidance is essential for reliable communication and overall spectral efficiency. Previously, LoRaWAN has relied upon ALOHA as the medium access control...

and processing delay Measuring network throughput Link and system spectral efficiency Stuart Cheshire. "TCP Performance problems caused by interaction...

dictionary. Bandwidth extension Broadband Noise bandwidth Rise time Spectral efficiency Spectral width The information capacity of a channel depends on noise...

different times. In theory, CDMA, TDMA and FDMA have exactly the same spectral efficiency but practically, each has its own challenges – power control in the...

communication systems can choose a trade off between a simpler filter and spectral efficiency. This gives an output pulse shaped like a Gaussian function. Nyquist...

standard high-definition television, due to the significantly improved spectral efficiency of digital broadcasting. As of 2022, Star One D2 from Brazil is the...

A luminous efficiency function or luminosity function represents the average spectral sensitivity of human visual perception of light. It is based on subjective...