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139results about How to "Good bit error characteristics" patented technology

Method for spread spectrum modulation and demodulation of code element grouping time-shifting position

The invention provides a method for spread spectrum modulation and demodulation of code element grouping time-shifting position. A method for the spread spectrum modulation is on the basis of a good autocorrelation characteristic of a direct spread code. On the basis of primary direct sequence spread spectrum modulation, secondary time-shifting position modulation is conducted on spread spectrum modulation code elements and the spread spectrum modulation code elements after the secondary time-shifting position modulation are overlaid to a route of signals to be output; the secondary time-shifting position modulation of the spread spectrum modulation code elements is added by the method for the spread spectrum modulation, so that the transmission rate of a system is greatly improved; specific positions of the spread spectrum modulation code elements are detected firstly by a method for the spread spectrum demodulation and information carried by the positions is demodulated, so that position demodulating data are obtained, information carried by the spread spectrum modulation code elements is modulated on this basis until direct spread demodulating data are obtained, and finally the demodulated data are output according to a prior data stream format.
Owner:中国人民解放军海军航空大学航空作战勤务学院

A robust framing modulation method for multimedia broadcasting mobile signals

The invention discloses a multimedia broadcast mobile signal robust framing modulation method, and belongs to a time domain and frequency domain mixed framing modulation scheme. The multimedia broadcast mobile signal robust framing modulation method has the advantages of low peak-to-average power ratio, short synchronous time, robustness, controllable multi-service and the like.
Owner:ANHUI SAFE ELECTRONICS

Anti-fading digital mobile broadcast signal transmission method

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.
Owner:刘志军

Transmission method of anti-noise digital wireless broadcasting signals

The invention discloses a transmission method of anti-noise digital wireless broadcasting signals. The transmission 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 transmission method of the anti-noise digital wireless broadcasting signals, original signals of OFDM signals can be easily processed at a receiver end through processing and restoring, and the transmission method has the advantages of being low in PAPR, short in synchronous time, channel fading resistant, capable of controlling multiple services, and the like.
Owner:NINGBO UNIV

Method for framing and modulating anti-fading wireless multimedia broadcast signals

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.
Owner:刘晶

A method for anti-jamming framing modulation of multimedia broadcasting wireless signals

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.
Owner:广德睿纳鲜果酒业有限公司

Anti-interference wireless signal transmission method for digital broadcast

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.
Owner:NINGBO UNIV

Anti-interference radio signal framing modulation method for multimedia broadcast single-frequency network

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.
Owner:广西良将自动化工程有限公司

Anti-interference wireless multimedia broadcast signal framing modulation method

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.
Owner:广德睿纳鲜果酒业有限公司

Robust mobile signal framing modulation method for multimedia broadcast single frequency network

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.
Owner:NINGBO UNIV

Method for framing and modulating anti-interference wireless multimedia broadcast signals in single frequency network

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.
Owner:NINGBO UNIV

Anti-noise digital mobile broadcast signal transmitting method

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

A framing modulation method for anti-jamming multimedia wireless broadcasting signal

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.
Owner:孙波

A framing modulation method of anti-noise multimedia wireless broadcasting signal

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.
Owner:广德睿纳鲜果酒业有限公司

Anti-interference wireless multimedia broadcast signal framing modulation method for single frequency network

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.
Owner:NINGBO UNIV

A method for anti-jamming framing modulation of multimedia broadcasting mobile signals

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.
Owner:天津中新众信智能科技有限公司

An anti-fading multimedia wireless broadcast signal framing modulation method

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.
Owner:NINGBO UNIV

Anti-fading framing modulating method for multimedia broadcast radio signal

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.
Owner:ANHUI SAFE ELECTRONICS

A digital broadcast wireless signal anti-fading transmission method

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

Anti-fading mobile signal framing modulation method for multimedia broadcast single frequency network

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.
Owner:NINGBO UNIV

A digital broadcast wireless signal anti-interference transmission method

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

Anti-fading wireless digital broadcast signal transmitting method

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.
Owner:广德睿纳鲜果酒业有限公司

A robust multimedia mobile broadcast signal framing modulation method

The invention discloses a robust multi-media mobile broadcast signal framing modulation method which is a framing modulation scheme of mixing a time domain and a frequency domain. According to the robust multi-media mobile broadcast signal framing modulation method disclosed by the invention, a low-complexity peak-to-average power ratio reduction technology and a combined code modulation technology are designed aiming at the technical problems of high signal peak-to-average power ratio, channel time variant, Doppler frequency shift and noise of a broadband multi-carrier multi-media mobile broadcast system, which need to be solved, and therefore the broadband multi-carrier multi-media mobile broadcast system has the advantages of low peak-to-average power ratio, short synchronization time,robustness, controllable multi-service, and the like.
Owner:任桂文

An anti-fading mobile multimedia broadcasting signal framing modulation method

The invention discloses an anti-fading mobile multimedia broadcasting signal framing modulation method which is a time domain and frequency domain mixed framing modulation scheme. The anti-fading mobile multimedia broadcasting signal framing modulation method provided by the invention has the advantages of low peak average power rate, short synchronous time, fading resistance, capability of controlling multiple services, and the like.
Owner:司长海

Robust wireless signal transmission method for digital broadcast single frequency network

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.
Owner:NINGBO UNIV

Robust method for framing and modulating wireless multimedia broadcast signal

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.
Owner:王甲斌

Robust digital mobile broadcast signal transmitting method

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.
Owner:TONGLING ZHAOLIN IND & TRADE CO LTD
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