Side information transmission method, side information reception method, transmitter and receiver
AssigneeVivo Mobile Communication Co., Ltd.
InventorsXiaodong Shen, Xiaodong Sun, Yu Ding
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Abstract
The present disclosure provides a side information transmission method, a side information reception method, a transmitter and a receiver. The side information transmission method includes: transmitting side information to the receiver on a physical control channel; and transmitting a scrambled data signal to the receiver on a physical data channel. The side information is used to indicate a scrambling mode of the data signal.
Claims20
A side information transmission method for use in a transmitter, wherein the side information transmission method comprises:
- transmitting side information to a receiver on a physical control channel;
- and
- transmitting a scrambled data signal to the receiver on a physical data channel,
- wherein the side information is used to indicate a scrambling mode of the data signal;
- the transmitting the scrambled data signal to the receiver on the physical data channel comprises:
- dividing initial data into number K of data signal blocks, wherein each of the data signal blocks corresponds to number N of different phase rotations, and number K and number N are each a positive integer;
- selecting a phase rotation for each data signal block from the number N of different phase rotations;
- scrambling the number K of data signal blocks in accordance with the phase rotation for each data signal block, to acquire number K of scrambled data signal blocks;
- and
- transmitting the number K of scrambled data signal blocks to the receiver in a frequency-division multiplexing manner on the physical data channel,
- wherein the side information is used to indicate respectively scrambling modes of the number K of scrambled data signal blocks and indicate that no phase rotation is performed on the side information.
A side information reception method for use in a receiver, wherein the side information reception method comprises:
- receiving side information transmitted from a transmitter on a physical control channel;
- receiving a scrambled data signal transmitted from the transmitter on a physical data channel;
- determining a scrambling mode corresponding to the side information in accordance with a predetermined mapping relationship between the side information and the scrambling mode;
- descrambling the data signal in accordance with the scrambling mode corresponding to the side information,
- wherein the side information is used to indicate scrambling modes of number K of scrambled data signal blocks and indicate that no phase rotation is performed on the side information;
- the receiving the scrambled data signal transmitted from the transmitter on the physical data channel comprises:
- receiving the number K of scrambled data signal transmitted from the transmitter in a-frequency-division multiplexing manner on the physical data channel, wherein number K is a positive integer;
- the determining je scrambling mode corresponding to the side information in accordance with the predetermined mapping relationship between the side information and the scrambling mode comprises:
- determining number K of scrambling modes corresponding to the side information in accordance with the predetermined mapping relationship between the side information and the scrambling mode;
- and
- the descrambling the data signal in accordance with the scrambling mode corresponding to the side information comprises:
- descrambling respectively the number K of scrambled data signal blocks in accordance with the number K of scrambling modes.
A transmitter, comprising a memory, a processor, and a computer program stored in the memory and executed by the processor, wherein the computer program is executed by the processor to:
- transmit side information to a receiver on a physical control channel;
- and
- transmit a scrambled data signal to the receiver on a physical data channel, wherein the side information is used to indicate a scrambling mode of the data signal;
- wherein the computer program is further executed by the processor to:
- divide initial data into number K of data signal blocks wherein each of the data signal blocks corresponds to number N of different phase rotations, and number K and number N are each a positive integer;
- select a phase rotation for each data signal block from the number N of different phase rotations;
- scramble the number K of data signal blocks in accordance with the phase rotation for each data signal block, to acquire number K of scrambled data signal blocks;
- and
- transmit the number K of scrambled data signal blocks to the receiver in a frequency-division multiplexing manner on the physical data channel,
- wherein the side information is used to indicate respectively scrambling modes of the number K of scrambled data signal blocks and indicate that no phase rotation is performed on the side information.
Dependencies are inferred from the claim text.