80results about How to "Peak-to-average power ratio short" patented technology

The invention discloses a single-frequency-network anti-noise mobile digital broadcast signal transmission method which is a transmission scheme mixing a time domain, a frequency domain and a spatial domain. By using the single-frequency-network anti-noise mobile digital broadcast signal transmission method of the invention, PAPR is low, synchronization time is short, noise can be resisted, and aplurality of services can be controlled and so on.

The invention discloses an anti-interference wireless multimedia broadcast signal framing modulation method, which is a time domain/frequency domain combined framing modulation scheme. The anti-interference wireless multimedia broadcast signal framing modulation method has the advantages of low peak-to-average power ratio, short synchronization time, anti-interference performance, multi-service controllability and the like.

The invention discloses an anti-noise multimedia wireless broadcast signal framing modulation method, which is a time domain/frequency domain combined framing modulation scheme. The anti-noise multimedia wireless broadcast signal framing modulation method has the advantages of low peak-to-average power ratio, short synchronization time, anti-noise performance, multi-service controllability and the like.

The invention discloses an anti-fading wireless digital broadcast signal transmitting method, which relates to a time domain-frequency domain hybrid transmitting scheme. The anti-fading wireless digital broadcast signal transmitting method has the advantages of low peak-to-average power ratio, short synchronization time, fading resistance, multi-service controllability, and the like.

The invention discloses a robust method for framing and modulating a wireless multimedia broadcast signal, which is a framing and modulation proposal of time domain and frequency domain mixing. The robust method for framing and modulating a wireless multimedia broadcast signal disclosed by the invention has the advantages of low peak-to-average power ratio, short synchronization time, robustness,controllable multi-service etc.

The invention discloses an anti-interference wireless signal transmission method for a digital broadcast single-frequency network. The method is a time domain/frequency domain/space domain combined transmission scheme. The anti-interference wireless signal transmission method has the advantages of low peak-to-average power ratio, short synchronization time, anti-interference performance, multi-service controllability and the like.

The invention discloses a method for transmitting a robust digital radio broadcast signal, which relates to a time domain and frequency domain hybrid transmission scheme. In the method for transmitting the robust digital radio broadcast signal, a low-complexity lowered peak to average power ratio technology, a cascade interweave-coding modulation technology and a signal frame time-frequency domain joint iteration detached processing technology are designed specific to technical problems needing to be solved such as signal high peak to average power ratio, channel variation and Doppler frequency shift existing in a broadband multi-carrier digital wireless broadcast transmission system, so that the broadband multi-carrier digital wireless broadcast transmission system has the advantages of low peak to average power ratio, short synchronization time, robustness, multi-service controllability and the like.

The invention discloses a framing modulating method for a robust mobile multimedia broadcast signal, and the method is a time domain and frequency domain hybrid framing modulating scheme. The framing modulating method for the robust mobile multimedia broadcast signal has the advantages of low peak average power ratio, short synchronization time, robustness, controllable multi-service and the like.

The invention discloses an anti-fading method for transmitting a digital wireless broadcast signal, which is a time domain and frequency domain mixed transmission scheme. The anti-fading method for transmitting the digital wireless broadcast signal has the advantages of low peak-to-average power ratio, short synchronous time, fading resistance, multiple controlled services and the like.

The invention discloses an anti-interference method for transmitting a wireless digital broadcast signal, which is a transmission proposal of time domain and frequency domain mixing. The anti-interference method for transmitting a wireless digital broadcast signal disclosed by the invention has the advantages of low peak-to-average power ratio, short synchronization time, interference resistance,controllable multi-service etc.

The invention discloses a method for transmitting anti-fading mobile digital broadcast signal. The method is a transmission scheme in which a time domain and a frequency domain are mixed. The method for transmitting the anti-fading mobile digital broadcast signal has the advantages of low peak-to-average power ratio, short synchronization time, attenuation resistance, and the like and multiple services can be controlled.

The invention discloses an anti-noise digital wireless broadcast signal transmission method, which is a time domain and frequency domain mixed transmission scheme. The anti-noise digital wireless broadcast signal transmission method designs a low-complexity peak-to-average power ratio reduction technology, a bit interlaced coded modulation technology and a signal frame time-frequency domain combined iterative separation technology for solving technical problems to be solved of high signal peak-to-average power ratio and channel noise of a multi-carrier digital wireless broadcast transmission system, which makes the multi-carrier digital wireless broadcast transmission system have the advantages of low peak-to-average power ratio, short synchronization time, excellent anti-noise property, controllability for multiple services, and the like.