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US 12,192,921 B2Granted
Synchronization signal transmission method and terminal
AssigneeVivo Mobile Communication Co., Ltd.
InventorsSiqi Liu, Zichao Ji, Kai Wu
Life of this patent
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Abstract
A synchronization signal transmission method and a terminal are provided. The synchronization signal transmission method, applied to a terminal, includes: transmitting or receiving a sidelink synchronization signal block, where the sidelink synchronization signal block includes: a primary sidelink synchronization signal PSSS and a secondary sidelink synchronization signal SSSS, the PSSS and the SSSS being distributed in orthogonal frequency division multiplexing OFDM symbols occupied by the sidelink synchronization signal block.
Claims16
A synchronization signal transmission method, applied to a terminal side, comprising:
- transmitting or receiving a sidelink synchronization signal block,
- wherein the sidelink synchronization signal block comprises:
- a primary sidelink synchronization signal PSSS and a secondary sidelink synchronization signal SSSS, the PSSS and the SSSS being distributed in orthogonal frequency division multiplexing OFDM symbols occupied by the sidelink synchronization signal block according to a preset rule, wherein the preset rule comprises at least one of the following:
- one of the PSSS and the SSSS is located in the third symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the fifth symbol of the sidelink synchronization signal block;
- one of the PSSS and the SSSS is located in the second symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the fifth symbol of the sidelink synchronization signal block;
- one of the PSSS and the SSSS is located in the second symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the sixth symbol of the sidelink synchronization signal block;
- one of the PSSS and the SSSS is located in the third symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the sixth symbol of the sidelink synchronization signal block;
- or,
- one of the PSSS and the SSSS is located in the fourth symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the sixth symbol of the sidelink synchronization signal block;
- wherein when one slot comprises candidate time domain locations of at least two sidelink synchronization signal blocks, and the subcarrier spacing is a second spacing, and one slot comprises candidate time domain locations of two sidelink synchronization signal blocks, an OFDM symbol index corresponding to the first symbol of candidate time domain locations of each of the two sidelink synchronization signal blocks is x+14n or y+14n,
- wherein 0≤n<m;
- m is a maximum number of slots occupied by a sidelink synchronization signal block;
- and n=0 corresponds to the first OFDM symbol of the first slot comprising candidate time domain locations of a sidelink synchronization signal block, a value of x is set to 0, and a value of y is set to 6 or 7;
- wherein when one slot comprises candidate time domain locations of a sidelink synchronization signal block, the preset rule comprises at least one of the following:
- one of the PSSS and the SSSS is located in the third and fourth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the eleventh and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the second and third OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the twelfth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the fifth and seventh OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the tenth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the third and sixth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the ninth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the second and ninth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the fifth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the second and ninth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the third and tenth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the fourth and eleventh OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the third and ninth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the fourth and tenth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and twelfth OFDM symbols of one slot;
- or,
- one of the PSSS and the SSSS is located in the third and tenth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the fifth and twelfth OFDM symbols of one slot.
23 more elements
A terminal, comprising a memory, a processor, and a program stored in the memory and capable of running on the processor, wherein when the program is executed by the processor, steps of a synchronization signal transmission method are implemented, wherein the synchronization signal transmission method comprises:
- transmitting or receiving a sidelink synchronization signal block,
- wherein the sidelink synchronization signal block comprises:
- a primary sidelink synchronization signal PSSS and a secondary sidelink synchronization signal SSSS, the PSSS and the SSSS being distributed in orthogonal frequency division multiplexing OFDM symbols occupied by the sidelink synchronization signal block according to a preset rule, wherein the preset rule comprises at least one of the following:
- one of the PSSS and the SSSS is located in the third symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the fifth symbol of the sidelink synchronization signal block;
- one of the PSSS and the SSSS is located in the second symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the fifth symbol of the sidelink synchronization signal block;
- one of the PSSS and the SSSS is located in the second symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the sixth symbol of the sidelink synchronization signal block;
- one of the PSSS and the SSSS is located in the third symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the sixth symbol of the sidelink synchronization signal block;
- or,
- one of the PSSS and the SSSS is located in the fourth symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the sixth symbol of the sidelink synchronization signal block;
- wherein when one slot comprises candidate time domain locations of at least two sidelink synchronization signal blocks, and the subcarrier spacing is a second spacing, and one slot comprises candidate time domain locations of two sidelink synchronization signal blocks, an OFDM symbol index corresponding to the first symbol of candidate time domain locations of each of the two sidelink synchronization signal blocks is x+14n or y+14n,
- wherein 0≤n<m;
- m is a maximum number of slots occupied by a sidelink synchronization signal block;
- and n=0 corresponds to the first OFDM symbol of the first slot comprising candidate time domain locations of a sidelink synchronization signal block, a value of x is set to 0, and a value of y is set to 6 or 7;
- wherein when one slot comprises candidate time domain locations of a sidelink synchronization signal block, the preset rule comprises at least one of the following:
- one of the PSSS and the SSSS is located in the third and fourth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the eleventh and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the second and third OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the twelfth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the fifth and seventh OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the tenth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the third and sixth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the ninth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the second and ninth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the fifth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the second and ninth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the third and tenth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the fourth and eleventh OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the third and ninth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the fourth and tenth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and twelfth OFDM symbols of one slot;
- or,
- one of the PSSS and the SSSS is located in the third and tenth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the fifth and twelfth OFDM symbols of one slot.
23 more elements
A non-transitory computer-readable storage medium, wherein the non-transitory computer-readable storage medium stores a program, and when the program is executed by a processor, steps of a synchronization signal transmission method are implemented, wherein the synchronization signal transmission method comprises:
- transmitting or receiving a sidelink synchronization signal block,
- wherein the sidelink synchronization signal block comprises:
- a primary sidelink synchronization signal PSSS and a secondary sidelink synchronization signal SSSS, the PSSS and the SSSS being distributed in orthogonal frequency division multiplexing OFDM symbols occupied by the sidelink synchronization signal block according to a preset rule, wherein the preset rule comprises at least one of the following:
- one of the PSSS and the SSSS is located in the third symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the fifth symbol of the sidelink synchronization signal block;
- one of the PSSS and the SSSS is located in the second symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the fifth symbol of the sidelink synchronization signal block;
- one of the PSSS and the SSSS is located in the second symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the sixth symbol of the sidelink synchronization signal block;
- one of the PSSS and the SSSS is located in the third symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the sixth symbol of the sidelink synchronization signal block;
- or,
- one of the PSSS and the SSSS is located in the fourth symbol of a sidelink synchronization signal block, and the other of the PSSS and the SSSS is located in the sixth symbol of the sidelink synchronization signal block;
- wherein when one slot comprises candidate time domain locations of at least two sidelink synchronization signal blocks, and the subcarrier spacing is a second spacing, and one slot comprises candidate time domain locations of two sidelink synchronization signal blocks, an OFDM symbol index corresponding to the first symbol of candidate time domain locations of each of the two sidelink synchronization signal blocks is x+14n or y+14n,
- wherein 0≤n<m;
- m is a maximum number of slots occupied by a sidelink synchronization signal block;
- and n=0 corresponds to the first OFDM symbol of the first slot comprising candidate time domain locations of a sidelink synchronization signal block, a value of x is set to 0, and a value of y is set to 6 or 7;
- wherein when one slot comprises candidate time domain locations of a sidelink synchronization signal block, the preset rule comprises at least one of the following:
- one of the PSSS and the SSSS is located in the third and fourth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the eleventh and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the second and third OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the twelfth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the fifth and seventh OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the tenth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the third and sixth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the ninth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the second and ninth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the fifth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the second and ninth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the third and tenth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the fourth and eleventh OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and thirteenth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the third and ninth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and twelfth OFDM symbols of one slot;
- one of the PSSS and the SSSS is located in the fourth and tenth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the sixth and twelfth OFDM symbols of one slot;
- or,
- one of the PSSS and the SSSS is located in the third and tenth OFDM symbols of one slot, and the other of the PSSS and the SSSS is located in the fifth and twelfth OFDM symbols of one slot.
23 more elements
Dependencies are inferred from the claim text.