173results about How to "Does not destroy the orthogonality" patented technology

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

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

The invention discloses an anti-noise digital broadcast wireless signal transmitting method, and relates to a time domain / frequency domain mixed scheme. The anti-noise digital broadcast wireless signal transmitting method has the advantages of low peak-to-average power ratio, short synchronization time, resistance to channel noise, controllable multiple services and the like.

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 a method for framing and modulating anti-fading wireless multimedia broadcast signals, which is a framing and modulating scheme that time domains and frequency domains are mixed. The method for framing and modulating the anti-fading wireless multimedia broadcast signals disclosed by the invention has the advantages of low peak-to-average power ratio, short synchronization time, anti-fading property, controllable multi-service and the like.

The invention discloses a noise-resistance framing modulation method for mobile multi-media broadcast signals of a single frequency network, which is a time domain, frequency domain and space domain hybrid framing modulation scheme. The method has the advantages of low peak-to-average power ratio, short synchronous time, robustness, controllability in multiple services and the like.

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

The invention discloses a multimedia broadcasting wireless signal anti-interference framing modulation method which is a time domain and frequency domain mixed framing modulation scheme. The multimedia broadcasting wireless signal anti-interference framing modulation method provided by the invention has the advantages of low peak average power ratio, short synchronizing time, anti-interference, capability of controlling multiple services, and the like.

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 an anti-interference radio signal framing modulation method for a multimedia broadcast single-frequency network. The method is a time domain / frequency domain / space domain hybrid framing modulation scheme. The anti-interference radio signal framing modulation method for the multimedia broadcast single-frequency network 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 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 a robust mobile signal framing modulation method for a multimedia 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 robust mobile signal framing modulation method for the multimedia 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 robust mobile signal framing modulation method for the multimedia 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 a method for framing and modulating anti-interference wireless multimedia broadcast signals in a single frequency network. The method provides a framing and modulating scheme mixing a space domain, a time domain and a frequency domain. According to a training sequence optimal design, a signal generation pattern and a signal selection method of the method for framing and modulating the anti-interference wireless multimedia broadcast signals in the single frequency network, an original signal of an OFDM signal can be easily obtained through processing and recovery on a receiver terminal. The method for framing and modulating the anti-interference wireless multimedia broadcast signals in the single frequency network has the advantages that the peak-to-average power ratio is low, synchronization time is short, channel fading is prevented, and multiple services can be controlled.

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

The invention discloses a multimedia broadcast mobile signal anti-interference framing modulation method and in particular relates to a framing modulation scheme with mixing of time domains and frequency domains. The multimedia broadcast mobile signal anti-interference framing modulation method has the advantages that the peak-average power ratio is low, the synchronization time is short, the interference resistance is achieved, and the multiple services can be controlled and the like.

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

The invention discloses an anti-fading framing modulating method for a multimedia broadcast radio signal, and is a time-domain and frequency-domain hybrid framing modulating scheme and has the advantages of low PAPR (Peak to Average Power Ratio), short synchronous time, anti-fading property, capability of controlling multi-service, and the like.

The invention discloses an anti-fading mobile signal framing modulation method for a multimedia 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 framing modulation method for the multimedia 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 framing modulation method for the multimedia 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 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 single-frequency-network wireless digital broadcast signal transmitting 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 wireless digital broadcast signal transmitting method. The single-frequency-network wireless digital broadcast signal transmitting 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 a multimedia broadcast mobile signal anti-noise framing modulation method, and belongs to a time domain and frequency domain mixed framing modulation scheme. The multimedia broadcast mobile signal anti-noise framing modulation method has the advantages of low peak-to-average power ratio, short synchronous time, noise 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 wireless multimedia broadcast signal framing modulation method for a single frequency network, which is a time domain / frequency domain / space domain hybrid framing modulation scheme. The wireless multimedia broadcast signal framing modulation method for the single frequency network has the advantages of low peak-to-average power ratio, short synchronization time, anti-channel interference performance, multi-service controllability and the like.

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