39results about How to "Easy to handle recovery" patented technology

The invention discloses a method for framing and modulating wireless multimedia broadcast signals, which is a framing and modulating scheme mixing a time domain with a frequency domain. The method for framing and modulating wireless multimedia broadcast signals has a signal generation mode and a signal selection method which are easy to process and recover an original signal obtaining an OFDM (Orthogonal Frequency Division Multiplexing) signal at a receiver end, and has the advantages of being low in peak average power ratio, short in synchronization time, resistant to channel fading, capableof controlling various businesses, etc.

The invention discloses an anti-interference 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-interference 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-interference 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 multimedia broadcast mobile signal framing modulation method, and belongs to a time domain and frequency domain mixed framing modulation scheme. The multimedia broadcast mobile signal framing modulation method has the advantages of low peak-to-average power ratio, short synchronous time, channel fading resistance, controllable multi-service and the like.

The invention discloses a digital radio broadcast signal transmission method which is a transmission scheme of mixing a time domain and a frequency domain. According to the digital radio broadcast signal transmission method disclosed by the invention, a low-complexity peak-to-average power ratio reduction technology, a serially concatenated multi-code rate punctured convolution code modulation technology and a signal frame time-frequency domain combined iteration separation treatment technology are designed aiming at the technical problems of high signal peak-to-average power ratio and channel fading noises of a broadband multi-carrier digital radio broadcast transmission system, which need to be solved, and therefore the broadband multi-carrier digital radio broadcast transmission systemhas the advantages of low peak-to-average power ratio, short synchronization time, fading noise influence resistance, controllable multi-service, and the like.

The invention discloses a framing and modulation method for a wireless signal of multimedia broadcast, wherein the disclosed method is a framing and modulation scheme mixing a time domain and a frequency domain. According to the framing and modulation method for the wireless signal of the multimedia broadcast, the method comprises the following advantages: low peak-to-average power ratio; short synchronization time; anti-channel fading performance; and controllable and multi-service property and the like.

The invention discloses an anti-fading 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 cascade interleaved coded modulation, the training sequence optimization design, the signal generating scheme and the signal selection method of the anti-fading 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 a multimedia mobile broadcast signal framing modulation method and in particular relates to a framing modulation scheme with mixing of time domains and frequency domains. The multimedia mobile broadcast signal framing modulation method has the advantages that the peak-average power ratio is low, the synchronization time is short, the fading noise influence is avoided, and the multiple services can be controlled and the like.

The invention discloses an anti-fading digital mobile radio signal transmission method and relates to a hybrid framing modulation scheme of the time domain and the frequency domain. Due to the cascade interleaved coded modulation, the training sequence optimization design, the signal generating scheme and the signal selection method of the anti-fading digital mobile radio signal transmission 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.