Sentence examples for frequency efficiency from inspiring English sources
Although the adoption of more efficient transmission technologies, such as OFDM, MIMO, and Turbo coding etc., the frequency efficiency has been improved greatly, the cost of data transmission in wireless telecommunication is still extremely high due to more bandwidth requirement, which is seen as the most precious resource in wireless telecommunication.
In addition, it proposes a scheme which combines inter-cell interference coordination and interference elimination to adapt not only wide-band services but also maximize system frequency efficiency.
The impact of the time efficiency dominates the impact of the frequency efficiency.
Although the current form of a WRNS works adequately, it has a significant limitation in terms of the frequency efficiency.
A key technology to solve this problem is multi-antenna techniques, which can enhance the frequency efficiency and link reliability drastically.
In contrast, MU-MIMO makes it possible to multiplex users in the spatial domain so that higher frequency efficiency can be expected even when using simple users.
The lookup table defines 35 levels of frequency efficiencies (bps/Hz) according to the various modulation schemes, i.e., QPSK, 16 QAM, and 64 QAM, and the coding rates under the considerations of 1 2 MIMO, channel prediction, and HARQ.
b Time-frequency efficiency.
FBMC however suffers from a poor time-frequency efficiency for short bursts.
The resulting time-frequency efficiency is illustrated in Fig. 5 b for all waveforms.
Candidates were first compared in terms of spectral efficiency by computing their time-frequency efficiency.
