Apparatuses and methods for beam sweeping in a wireless communication system
A wireless communication device including a controller and a non-transitory machine-readable storage medium operatively coupled to the controller is provided. The controller executes program code stored in the non-transitory machine-readable storage medium to perform operations including: transmitting or receiving wireless signals by sweeping beams in a non-sequential order.
1. A wireless communication device, comprising:
a controller; and
a non-transitory machine-readable storage medium, operatively coupled to the controller;
wherein the controller is configured to execute program code stored in the non-transitory machine-readable storage medium to perform operations comprising: transmitting or receiving wireless signals by sweeping beams in a non-sequential order, wherein the sweeping of the beams is performed according to interference between beams from the wireless communication device relative to a predetermined threshold at a boundary between a current beam and another beam, wherein a non-neighboring beam of the current beam is selected as a next beam if the interference is greater than the predetermined threshold.
2. The wireless communication device of claim 1 , wherein the non-sequential order indicates that some or all of the beams are not followed by their neighboring beams.
3. The wireless communication device of claim 1 , wherein the wireless signals are transmitted or received by sweeping the beams in the non-sequential order to mitigate inter-Orthogonal frequency-division multiplexing (OFDM)-symbol interferences.
4. The wireless communication device of claim 1 , wherein the transmitted wireless signals comprise multiple Physical Random Access Channel (PRACH) signals in different time intervals, when the wireless communication device is configured as a fifth-generation (5G) User Equipment (UE).
5. The wireless communication device of claim 1 , wherein the transmitted wireless signals comprise multiple Sounding Reference Signals (SRS) in different time intervals, when the wireless communication device is configured as a 5G UE.
6. The wireless communication device of claim 1 , wherein the transmitted wireless signals comprise Synchronization Signal Blocks (SSBs) and Physical Broadcast Channel (PBCH) information in different time intervals, when the wireless communication device is configured as a 5G cellular station.
7. The wireless communication device of claim 1 , wherein the transmitted wireless signals comprise multiple Channel State Information Reference Signals (CSI-RS) in different time intervals, when the wireless communication device is configured as a 5G cellular station.
8. The wireless communication device of claim 1 , wherein the received wireless signals comprise multiple PRACH signals in different time intervals, when the wireless communication device is configured as a 5G cellular station.
9. The wireless communication device of claim 1 , wherein the received wireless signals comprise multiple Physical Uplink Shared Channel (PUSCH) signals in different time intervals, when the wireless communication device is configured as a 5G cellular station.
10. The wireless communication device of claim 1 , wherein the received wireless signals comprise multiple Physical Uplink Control Channel (PUCCH) signals in different time intervals, when the wireless communication device is configured as a 5G cellular station.
11. The wireless communication device of claim 1 , wherein the received wireless signals comprise at least two of a PRACH signal, an SRS, a PUCCH signal, and a PUSCH signal in different time intervals, when the wireless communication device is configured as a 5G cellular station.
12. A beam sweeping method, executed by a wireless communication device, comprising:
transmitting or receiving wireless signals by sweeping the beams in a non-sequential order, wherein the sweeping of the beams is performed according to interference between beams from the wireless communication device relative to a predetermined threshold at a boundary between a current beam and another beam,
wherein sweeping the beams in the non-sequential order comprises selecting a non-neighboring beam of the current beam as a next beam if the interference is greater than the predetermined threshold.
13. The beam sweeping method of claim 12 , wherein the non-sequential order indicates that some or all of the beams are not followed by their neighboring beams.
14. The beam sweeping method of claim 12 , wherein the wireless signals are transmitted or received by sweeping the beams in the non-sequential order to mitigate inter-OFDM-symbol interferences.
15. The beam sweeping method of claim 12 , wherein the transmitted wireless signals comprise multiple PRACH signals in different time intervals, when the wireless communication device is configured as a 5G UE.
16. The beam sweeping method of claim 12 , wherein the transmitted wireless signals comprise multiple SRS in different time intervals, when the wireless communication device is configured as a 5G UE.
17. The beam sweeping method of claim 12 , wherein the transmitted wireless signals comprise SSBs and PBCH information in different time intervals, when the wireless communication device is configured as a 5G cellular station.
18. The beam sweeping method of claim 12 , wherein the transmitted wireless signals comprise multiple CSI-RS in different time intervals, when the wireless communication device is configured as a 5G cellular station.
19. The beam sweeping method of claim 12 , wherein the received wireless signals comprise multiple PRACH signals in different time intervals, when the wireless communication device is configured as a 5G cellular station.
20. The beam sweeping method of claim 12 , wherein the received wireless signals comprise multiple PUSCH signals in different time intervals, when the wireless communication device is configured as a 5G cellular station.
21. The beam sweeping method of claim 12 , wherein the received wireless signals comprise multiple PUCCH signals in different time intervals, when the wireless communication device is configured as a 5G cellular station.
22. The beam sweeping method of claim 12 , wherein the received wireless signals comprise at least two of a PRACH signal, an SRS, a PUCCH signal, and a PUSCH signal in different time intervals, when the wireless communication device is configured as a 5G cellular station.