Scrambled transmission method and device thereof
AssigneeDatang Mobile Communications Equipment Co., Ltd.
InventorsXuejuan Gao, Zukang Shen, Yanan Lin
Life of this patent
Estimating the term…
Abstract
Disclosed are a scrambling transmission method and device thereof. The method comprises: a user terminal generates the message to be sent and modulates the message to be sent to generate the data modulation symbols; the user terminal scrambles the data modulation symbol using the cell-specific scrambling sequence, to generate the scrambled data modulation symbols; and the user terminal sending the scrambled data modulation symbols via a DFT-S-OFDM transmission structure with a time domain spreading. The present invention can reduce the interference among different user terminal data on the same resource in adjacent cells, thus improve the detection performance of uplink control signals.
Claims20
A scrambling transmission method, wherein, comprising:
- a user terminal generating a message to be sent and modulating the message to be sent to generate a plurality of data modulation symbols;
- wherein the user terminal scrambling the data modulation symbols uses a cell-specific scrambling sequence, to generate the scrambled data modulation symbols;
- wherein the user terminal sending the scrambled data modulation symbols send these symbols via a discrete Fourier transformation spread orthogonal frequency division multiplexing DFT-S-OFDM (Discrete Fourier Spread Optical Orthogonal Frequency Division Multiplexing) transmission structure with a time domain spreading.
A user terminal, wherein, comprising:
- a data generation module, used for generating a message to be sent and modulating the message to be sent to generate a plurality of data modulation symbols;
- a scrambling module, used for scrambling the data modulation symbols using a cell-specific scrambling sequence, to generate the scrambled data modulation symbols;
- a sending module, used for sending the scrambled data modulation symbols via a DFT-S-OFDM (Discrete Fourier Transform Spread Optical Orthogonal Frequency Division Multiplexing) transmission structure with a time domain spreading.
A scrambling transmission method, comprising:
- providing a base station receiving the data modulation symbols sent by a user terminal via a DFT-S-OFDM (Discrete Fourier Transform Spread Optical Orthogonal Frequency Division Multiplexing) transmission structure with a time domain despreading;
- wherein the base station descrambling the received data modulation symbols uses a cell-specific descrambling sequence.
Dependencies are inferred from the claim text.