Communication methods, devices, electronic devices and media

Abstract

[Solution] A communication method, apparatus, electronic device, and medium are provided for a terminal, the communication method comprising: reporting optional information corresponding to a frequency band combination to a base station, the optional information representing a transmission mode supported by each frequency band pair and / or each frequency band in the frequency band combination, the optional information being used to indicate a frequency band switching capability of the terminal, the optional information being used to indicate a transmission mode supported by each frequency band pair and / or each frequency band in the frequency band combination, the optional information being used to indicate a transmission mode supported by each frequency band pair and / or each frequency band in the frequency band combination, the optional information being used to indicate a transmission mode supported by each frequency band, the optional information being used to indicate a transmission mode supported by each frequency band pair in the frequency band combination, the optional information being used to indicate a transmission mode supported by each frequency band ...

Claims

1. A communication method applied to a terminal, The step includes reporting option information corresponding to the frequency band combination to the base station, with the frequency band combination as the granularity, The frequency band combination includes at least two frequency bands, and accordingly, the frequency band combination includes at least one pair of frequency bands formed by combining the at least two frequency bands. The aforementioned option information is used to represent the transmission modes supported by each frequency band pair and / or each frequency band in the frequency band combination. If the option information corresponding to the aforementioned frequency band combination is dualUL, then the option information indicates that all frequency band pairs in the aforementioned frequency band combination support simultaneous transmission only. If the option information corresponding to the aforementioned frequency band combination is switchedUL, then the option information indicates that all frequency bands in the aforementioned frequency band combination support only single transmission. When the option information corresponding to the frequency band combination is "both", the option information indicates that at least one frequency band pair in the frequency band combination supports simultaneous transmission, and at least one frequency band in the frequency band combination supports single transmission. A communication method characterized by the following features.

2. The aforementioned method, In response to the determination that the option information corresponding to the frequency band combination is both, the step includes reporting support information to the base station corresponding to at least one pair of frequency bands in the frequency band combination, wherein the support information corresponding to the at least one pair of frequency bands is used to represent the transmission mode supported by the corresponding frequency band pair, and the frequency band pair in the at least one pair of frequency bands corresponds one-to-one with the support information. The communication method according to feature 1.

3. If the support information corresponding to one of the at least one frequency band pairs is for simultaneous transmission, then this support information indicates that this frequency band pair supports simultaneous transmission only. If the support information corresponding to one of the at least one frequency band pairs is single transmission, then this support information indicates that the two frequency bands in this frequency band pair support only single transmission. If the support information corresponding to one of the at least one frequency band pairs is full transmission, then this support information indicates that this frequency band pair supports simultaneous transmission and that the two frequency bands in this frequency band pair support single transmission. The communication method according to feature 2.

4. The aforementioned method, The steps include receiving RRC signaling transmitted by a base station to instruct single antenna switching, The procedure includes the step of determining whether to switch the first antenna to the third frequency band or the second antenna to the third frequency band based on the switching time of the frequency band pair formed with the third frequency band, in response to the fact that the first antenna of the terminal is in the first frequency band, the second antenna is in the second frequency band, and the next transmission is to be performed in the third frequency band. The communication method according to feature 1.

5. The step of deciding whether to switch the first antenna to the third frequency band or the second antenna to the third frequency band based on the switching time of the frequency band pair formed with the third frequency band is: In response to the determination that the switching time of the first frequency band pair formed by the first frequency band and the third frequency band is greater than the switching time of the second frequency band pair formed by the second frequency band and the third frequency band, the first antenna is decided to be switched to the third frequency band, or In response to the determination that the switching time of the first frequency band pair formed by the first frequency band and the third frequency band is smaller than the switching time of the second frequency band pair formed by the second frequency band and the third frequency band, the first antenna is decided to be switched to the third frequency band, or The procedure includes the step of determining, based on a frequency point in the first frequency band and a frequency point in the second frequency band, to switch the first antenna to the third frequency band or the second antenna to the third frequency band, in response to the determination that the switching time of a first frequency band pair formed by the first frequency band and the third frequency band is equal to the switching time of a second frequency band pair formed by the second frequency band and the third frequency band, The communication method according to feature 4.

6. The step of deciding to switch the first antenna to the third frequency band or the second antenna to the third frequency band based on the frequency points of the first frequency band and the frequency points of the second frequency band is: The steps of deciding to switch the first antenna to the third frequency band in response to the determination that the frequency point of the first frequency band is greater than the frequency point of the second frequency band, and deciding to switch the second antenna to the third frequency band in response to the determination that the frequency point of the second frequency band is greater than the frequency point of the first frequency band, or The steps of deciding to switch the first antenna to the third frequency band in response to the determination that the frequency point in the first frequency band is smaller than the frequency point in the second frequency band, and deciding to switch the second antenna to the third frequency band in response to the determination that the frequency point in the second frequency band is smaller than the frequency point in the first frequency band, or A step in which, in response to the determination that the first difference is smaller than the second difference, it is determined to switch the first antenna to the third frequency band, and in response to the determination that the second difference is smaller than the first difference, it is determined to switch the second antenna to the third frequency band, or, The process includes the steps of deciding to switch the first antenna to a third frequency band in response to the determination that the first difference is greater than the second difference, and deciding to switch the second antenna to a third frequency band in response to the determination that the second difference is greater than the first difference, The first difference is the absolute value of the difference between the frequency point in the first frequency band and the frequency point in the third frequency band, and the second difference is the absolute value of the difference between the frequency point in the second frequency band and the frequency point in the third frequency band. The communication method according to feature 5.

7. The aforementioned method, The step includes reporting to the base station any special switching modes that require additional switching time, The communication method according to feature 1.

8. The aforementioned method, The step includes reporting an additional switching time to the base station, the additional switching time being used by the base station to apply the additional switching time to all predefined special switching modes. The additional switching time is a plurality of time-domain symbols, the time length corresponding to the time-domain symbols is associated with a reference subcarrier interval, and the reference subcarrier interval corresponds to a first bandwidth portion in the frequency band where the antenna is located before the switching. The communication method according to feature 1.

9. The first bandwidth portion is the most recently activated bandwidth portion, or the initial bandwidth portion, or the first bandwidth portion is the first activated bandwidth portion, or the first bandwidth portion is the bandwidth portion with the highest center frequency point, or the first bandwidth portion is the bandwidth portion with the lowest center frequency point, or the first bandwidth portion is the bandwidth portion with the largest subcarrier spacing, or the first bandwidth portion is the bandwidth portion with the smallest subcarrier spacing. The communication method according to feature 8.

10. A communication method applicable to a base station, A step of receiving option information corresponding to a frequency band combination reported by a terminal, with frequency band combination as the granularity, wherein the frequency band combination includes at least two frequency bands, and accordingly includes at least one frequency band pair formed by combining the at least two frequency bands, The step of determining the transmission modes supported by each frequency band pair and / or each frequency band in the frequency band combination based on the optional information, The step of determining the transmission modes supported by each frequency band pair and / or each frequency band in the frequency band combination based on the aforementioned optional information is: If the option information corresponding to the aforementioned frequency band combination is dualUL, the step of determining that all frequency band pairs in the aforementioned frequency band combination support simultaneous transmission only, If the option information corresponding to the frequency band combination is switchedUL, the step of determining that all frequency bands in the frequency band combination support only single transmission, The process includes the step of determining, if the option information corresponding to the frequency band combination is both, that at least one pair of frequency bands in the frequency band combination supports simultaneous transmission and at least one frequency band in the frequency band combination supports single transmission. A communication method characterized by the following features.

11. The aforementioned method, A step of receiving support information corresponding to at least one frequency band pair in the frequency band combination, wherein the support information corresponding to the at least one frequency band pair is reported in response to the terminal determining that the option information corresponding to the frequency band combination is both, and the frequency band pair in the at least one frequency band pair corresponds one-to-one with the support information, The step of determining a transmission mode supported by a corresponding frequency band pair based on support information corresponding to the at least one frequency band pair, The communication method according to feature 10.

12. The step of determining the transmission mode supported by the corresponding frequency band pair based on the support information corresponding to the at least one frequency band pair is: If the support information corresponding to one of the at least one frequency band pairs is for simultaneous transmission, the step of determining that this frequency band pair supports only simultaneous transmission, If the support information corresponding to one of the at least one frequency band pair is single transmission, the step of determining that the two frequency bands in this frequency band pair support only single transmission, The step of determining that, if the support information for one of the at least one frequency band pairs is full transmission, this frequency band pair supports single transmission and that two frequency bands in this frequency band pair support single transmission, is included. The communication method according to feature 11.

13. The aforementioned method, The procedure includes the step of transmitting an RRC signaling to instruct a single antenna switch, wherein the RRC signaling is used to instruct a terminal to switch the first antenna to the third frequency band or to switch the second antenna to the third frequency band based on the switching time of the frequency band pair formed with the third frequency band, if the first antenna is in the first frequency band, the second antenna is in the second frequency band, and the next transmission is in the third frequency band. The communication method according to feature 10.

14. The aforementioned method, The step includes receiving a special switching mode that requires an additional switching time reported by the terminal, The communication method according to feature 10.

15. The aforementioned method, The step includes receiving additional switching time reported by the terminal and applying this additional switching time to all predefined special switching modes, The additional switching time is a plurality of time-domain symbols, the time length corresponding to the time-domain symbols is associated with a reference subcarrier interval, and the reference subcarrier interval corresponds to a first bandwidth portion in the frequency band where the antenna is located before the switching. The communication method according to feature 10.

16. The first bandwidth portion is the most recently activated bandwidth portion, or the initial bandwidth portion, or the first bandwidth portion is the first activated bandwidth portion, or the first bandwidth portion is the bandwidth portion with the highest center frequency point, or the first bandwidth portion is the bandwidth portion with the lowest center frequency point, or the first bandwidth portion is the bandwidth portion with the largest subcarrier spacing, or the first bandwidth portion is the bandwidth portion with the smallest subcarrier spacing. The communication method according to feature 15.

17. It is a terminal, Processor and Includes memory for storing instructions that can be executed by the processor, The processor is configured to perform the steps of the method according to any one of claims 1 to 9. A terminal characterized by the following features.

18. A network device, Processor and Includes memory for storing instructions that can be executed by the processor, The processor is configured to perform the steps of the method according to any one of claims 10 to 16. A network device characterized by the following features.

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