frequency division造句31, In order to coordinate the inter-cell interference, a multicell adaptive power allocation scheme was proposed for downlink orthogonal frequency division multiple access(OFDMA) cellular systems.
32, Orthognal Frequency Division Multiplexing ( OFDM ) is a multi - carrier digital modulation technique for broad - band wireless communication.
33, Using PLL synthesis technology such as frequency multiplication and frequency division, may obtain the multi-frequencies, the high stable oscillator signal output.
34, It can be substituted for frequency division loudspeaker system and widely used in various high fidelity sound system.
35, Method and apparatus for data transmission using time gated frequency division duplexing.
36, Orthogonal frequency division multiplexing (OFDM) has recently achieved much popularity due to desirable properties, such as high band efficiency , robustness to interferences and so on.
37, An accurate channel estimation is crucial for the performance of multiple - orthogonal frequency division multiplexing ( MIMO - OFDM ) systems.
38, Orthogonal frequency division modulation (OFDM) based approach is investigated continuously. It has many advantages and suits to novel wireless communication standards.
39, Partial transmit sequences(PTS) is a method with high complexity to reduce the Peak-to-average power ratio(PAPR) of orthogonal frequency division multiplexing(OFDM) system.
40, Orthogonal Frequency Division Multiplexing ( OFDM ) has high spectrum efficiency and side - effect of multipath propagation.
41, There are stili many problems to be solved in the orthogonal frequency division multiplexing (OFDM), which is a promising crucial technique in low voltage power line communication.Sentence dictionary
42, Focusing on the resource allocation problem in multi-user orthogonal frequency division multiple access(OFDMA) systems, a multi-carrier proportional fair scheduling algorithm, G-PFS, is proposed.
43, It describes and compares three kinds of multiaddress connection technique of frequency division multiaddress(FDMA), time division multiaddress(TDMA) and code division multiaddress(CDMA).
44, A new method is proposed to reduce the peak-to-average power ratio of orthogonal frequency division multiplexing system.
45, Orthogonal frequency division multiplexing ( OFDM ) is a bandwidth - efficient modulation scheme with robustness to frequency selective fading.