Method and device for synchronous broadcasting transmission signal block

1. A method for synchronous broadcasting transmission of a signal block, comprising:

determining information to be transmitted, the information to be transmitted comprising at least synchronous information;

generating, according to the determined information to be transmitted, a signal block that contains a synchronization signal/physical broadcast channel (SS/PBCH) Block (SSB), the signal block occupying a bandwidth proportion which is not less than a preset basic bandwidth proportion, wherein the preset basic bandwidth proportion represents that a use of unlicensed spectrum is subject to a principle of occupied channel bandwidth (OCB), the principle of occupied OCB is that a transmitting signal is required to occupy a preset proportion of a transmitting bandwidth; and

transmitting the signal block to user equipment;

wherein the SSB occupies 2 symbols in time domain, or 4 symbols in time domain; and

wherein a primary synchronous signal and a secondary synchronous signal in the SSB occupy a total of 1 symbol in time domain.

2. The method of claim 1 , wherein the synchronous information in the SSB is time-division multiplexed or frequency-division multiplexed with information of physical broadcast channel (PBCH).

3. The method of claim 1 , wherein the information to be transmitted further comprises information of physical downlink common channel;

the information of physical downlink public channel is frequency-division multiplexed with the SSB.

4. The method of claim 3 , wherein the information of physical downlink common channel comprises at least one of: data information, a control resource set and a reference signal;

wherein the data information comprises at least one of: data information of remaining minimum system information (RMSI), paging information and other information about broadcast channels; and

the control resource set comprises control information for scheduling RMSI.

5. The method of claim 3 , wherein the information of physical downlink common channel occupies signal resources on one or both sides of the SSB in frequency domain.

6. The method of claim 1 , wherein before transmitting the signal block to the user equipment, the method further comprises:

performing short monitoring for a channel corresponding to the signal block at current moment to detect whether the channel is idle;

transmitting the signal block to the user equipment comprises:

transmitting the signal block to the user equipment if the channel is idle.

7. A communication system implementing the method of claim 1 , wherein

the communication system provides multiple solutions including that:

multiple implementations of possible resource locations occupied by primary synchronous signal and secondary synchronous signal are provided to implement and increase the bandwidth occupied by the signal block;

multiple position relation of synchronous information and information of PBCH on time-frequency resources is provided to facilitate flexible adoption;

information of physical downlink public channel is frequency-division multiplexed with the SSB to further increase the bandwidth occupied by the signal block to meet requirements of communication protocol;

the communication system is configured to multiplex multiple information by frequency division to ensure that proportion occupied by the signal block is not less than proportion of a preset basic bandwidth;

information of physical downlink common channel and SSB are frequency-division multiplexed, to facilitate flexible configuration of position relation between the information of physical downlink common channel and SSB in frequency domain; and

the communication system is further configured for short monitoring to detect whether a channel is idle, thereby improving detection efficiency and accuracy.

8. A device for synchronous broadcasting transmission of a signal block, comprising:

a processor; and

memory for storing instructions executable by the processor;

wherein the processor is configured to:

determine information to be transmitted, the information to be transmitted comprising at least synchronous information;

generate, according to the determined information to be transmitted, a signal block that contains a synchronization signal/physical broadcast channel (SS/PBCH) Block (SSB), the signal block occupying a bandwidth proportion which is not less than a preset basic bandwidth proportion, wherein the preset basic bandwidth proportion represents that a use of unlicensed spectrum is subject to a principle of occupied channel bandwidth (OCB), the principle of occupied OCB is that a transmitting signal is required to occupy a preset proportion of a transmitting bandwidth;

transmit the signal block to user equipment;

wherein the SSB occupies 2 symbols in time domain, or 4 symbols in time domain; and

wherein a primary synchronous signal and a secondary synchronous signal in the SSB occupy a total of 1 symbol in time domain.

9. The device of claim 8 , wherein the synchronous information in the SSB is time-division multiplexed or frequency-division multiplexed with information of physical broadcast channel (PBCH).

10. The device of claim 8 , wherein the information to be transmitted further comprises information of physical downlink common channel;

the information of physical downlink public channel is frequency-division multiplexed with the SSB.

11. The device of claim 10 , wherein the information of physical downlink common channel comprises at least one of: data information, a control resource set and a reference signal;

wherein the data information comprises at least one of: data information of remaining minimum system information (RMSI), paging information and other information about broadcast channels; and

the control resource set comprises control information for scheduling RMSI.

12. The device of claim 10 , wherein the information of physical downlink common channel occupies signal resources on one or both sides of the SSB in frequency domain.

13. The device of claim 8 , wherein the processor is further configured to:

perform short monitoring for a channel corresponding to the signal block at current moment to detect whether the channel is idle, and

transmit the signal block to the user equipment if the channel is idle.

14. A non-transitory computer-readable storage medium having stored therein computer instructions that when executed by a processor, implement a method for synchronous broadcasting transmission of a signal block, the method comprising:

determining information to be transmitted, the information to be transmitted comprising at least synchronous information;

generating, according to the determined information to be transmitted, a signal block that contains a synchronous signal block, the signal block occupying a bandwidth proportion which is not less than a preset basic bandwidth proportion, wherein the preset basic bandwidth proportion represents that a use of unlicensed spectrum is subject to a principle of occupied channel bandwidth (OCB), the principle of occupied OCB is that a transmitting signal is required to occupy a preset proportion of a transmitting bandwidth; and

transmitting the signal block to user equipment;

wherein the SSB occupies 2 symbols in time domain, or 4 symbols in time domain; and

wherein a primary synchronous signal and a secondary synchronous signal in the SSB occupy a total of 1 symbol in time domain.

15. The non-transitory computer-readable storage medium of claim 14 , wherein the synchronous information in the SSB is time-division multiplexed or frequency-division multiplexed with information of physical broadcast channel (PBCH).

16. The non-transitory computer-readable storage medium of claim 14 , wherein the information to be transmitted further comprises information of physical downlink common channel;

the information of physical downlink public channel is frequency-division multiplexed with the SSB.