31results about How to "High sync time" patented technology

The invention discloses an anti-interference wireless signal transmission method for a digital broadcast single frequency network, and relates to a mixed framing modulation scheme of the space domain, the time domain and the frequency domain. According to the training sequence optimization design, the signal generating scheme and the signal selecting method of the anti-interference wireless signal transmission method for the digital broadcast single frequency network, OFDM signals can be processed and recovered at a receiver end easily to obtain original signals of the OFDM signals. The anti-interference wireless signal transmission method for the digital broadcast single frequency network has the advantages of being low in peak-to-average power ratio, short in synchronization time, resistant to channel fading, multiple in controllable service and the like.

The invention discloses an anti-noise multi-media wireless radio signal framing modulation method and relates to a hybrid framing modulation scheme of the time domain and the frequency domain. Due to the bit interleaved coded modulation mode, the training sequence optimization design, the signal generating scheme and the signal selection method of the anti-noise multi-media wireless radio signal framing modulation method, OFDM signals can be processed and recovered at a receiver end easily to obtain original signals of the OFDM signals, and the method has the advantages of being low in peak average power rate, short in synchronization time, resistant to channel fading, multiple in controllable service and the like.

The invention discloses an anti-fading wireless signal transmission method for a digital broadcast single frequency network, and relates to a mixed framing modulation scheme of the space domain, the time domain and the frequency domain. According to the training sequence optimization design, the signal generating scheme and the signal selecting method of the anti-fading wireless signal transmission method for the digital broadcast single frequency network, OFDM signals can be processed and recovered at a receiver end easily to obtain original signals of the OFDM signals. The anti-fading wireless signal transmission method for the digital broadcast single frequency network has the advantages of being low in peak-to-average power ratio, short in synchronization time, resistant to channel fading, multiple in controllable service and the like.

The invention discloses an anti-fading wireless signal transmission method for a digital broadcast, and relates to a mixed framing modulation scheme of the time domain and the frequency domain. According to the training sequence optimization design, the signal generating scheme and the signal selecting method of the anti-fading wireless signal transmission method for the digital broadcast, OFDM signals can be processed and recovered at a receiver end easily to obtain original signals of the OFDM signals. The anti-fading wireless signal transmission method for the digital broadcast has the advantages of being low in peak-to-average power ratio, short in synchronization time, resistant to channel fading, multiple in controllable service and the like.

The invention discloses a framing modulation method of anti-fading mobile multimedia broadcasting signals. The framing modulation method is a framing modulation scheme with time domains and frequency domains being mixed. By means of the cascading interleaving coded modulation, the training sequence optimization design, the signal generating models and a signal selection method of the framing modulation method of the anti-fading mobile multimedia broadcasting signals, original signals of OFDM signals can be easily obtained at a receiver end through processing and restoring, and the framing modulation method has the advantages of being low in PAPR, short in synchronization time, channel fading resistant, capable of controlling multiple services, and the like.

The invention discloses a single-frequency-network robust wireless multimedia broadcast signal framing and modulating method which is a framing and modulating scheme where the space domain, the time domain and the frequency domain are mixed. Original signals of OFDM signals can be easily obtained by conducting processing and recovering at the receiver end through the training sequence optimizing design, the signal generation mode and the signal selection method of the single-frequency-network robust wireless multimedia broadcast signal framing and modulating method. The single-frequency-network robust wireless multimedia broadcast signal framing and modulating method has the advantages of being low in peak-to-average power ratio, short in synchronization time, capable of resisting channel fading, capable of controlling multiple services, and the like.

The invention discloses an anti-interference framing and modulating method for multimedia wireless radio signals and relates to a framing modulation scheme for mixing a time domain and a frequency domain. The anti-interference framing and modulating method for the multimedia wireless radio signals comprises the steps of bit-interleaved coded modulation, training sequence optimization design, signal generation pattern selection and signal selection. In this way, original signals of OFDM signals can be easily obtained through processing and restoring at a receiver end. Besides, the anti-interference framing and modulating method for the multimedia wireless radio signals has the advantages that the peak-to-average power ratio is low, synchronization time is short, channel fading is resisted, and multiple services can be controlled.

The invention discloses an anti-fading mobile signal transmission method for a digital broadcast single frequency network, and relates to a mixed framing modulation scheme of the space domain, the time domain and the frequency domain. According to the training sequence optimization design, the signal generating scheme and the signal selecting method of the anti-fading mobile signal transmission method for the digital broadcast single frequency network, OFDM signals can be processed and recovered at a receiver end easily to obtain original signals of the OFDM signals. The anti-fading mobile signal transmission method for the digital broadcast single frequency network has the advantages of being low in peak-to-average power ratio, short in synchronization time, resistant to channel fading, multiple in controllable service and the like.

The invention discloses an anti-interference framing modulation method for wireless signals of a multimedia broadcast, and relates to a mixed framing modulation scheme of the time domain and the frequency domain. According to the bit interleaved coded modulation, the training sequence optimization design, the signal generating scheme and the signal selecting method of the anti-interference framing modulation method for the wireless signals of the multimedia broadcast, OFDM signals can be processed and recovered at a receiver end easily to obtain original signals of the OFDM signals. The anti-interference framing modulation method for the wireless signals of the multimedia broadcast has the advantages of being low in peak-to-average power ratio, short in synchronization time, resistant to channel fading, multiple in controllable service and the like.