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Method and device for transmitting information

A technology for transmitting information and scheduling information, which is applied in the field of information transmission and can solve the problems of missing downlink information reception, failure to receive post-sequence scheduling data normally, and wasting system resources.

Active Publication Date: 2019-03-05
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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AI Technical Summary

Problems solved by technology

[0004] However, it takes time for the user equipment to switch the RF transceiver module. Although the switching delay between modules has been shortened to milliseconds, since the duration of a subframe in the 5G system is 1ms, the user equipment needs to switch between the RF transceiver modules. During this period, the reception of some downlink information may be missed. If the missed downlink information belongs to the scheduling control information of the subsequent scheduling, the subsequent scheduling data will not be received normally, which will inevitably lead to many unnecessary retransmissions and waste system resources.

Method used

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  • Method and device for transmitting information
  • Method and device for transmitting information

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Embodiment approach

[0245] In the first implementation mode, when obtaining the scheduling control information of the current scheduling, the additional scheduling information of the subsequent scheduling is acquired; for example Figure 3-1 , 3-2 , as shown in 7-1.

[0246] In the second embodiment, after the current scheduling information is received, the additional scheduling information of the subsequent scheduling is separately obtained through the first working frequency band;

[0247] Such as Figure 5-1 , 5-2 As shown, after receiving the currently scheduled data information, the UE can separately obtain the additional scheduling information for subsequent scheduling through the downlink control transmission resources of the first carrier, as shown in Figure 5-1 , 5-2 shown. Or, when receiving the currently scheduled data information, the UE acquires additional scheduling information for subsequent scheduling from any downlink data transmission unit, for example, from the last downl...

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Abstract

Provided are a method and device for transmitting information. The method comprises: determining frequency information about a second carrier for bearing subsequent scheduling data information; determining a current radio frequency support capability of the user equipment; if the frequency of the second carrier exceeds the current radio frequency support capability of the user equipment, sending scheduling information about the second carrier to the user equipment through the first carrier; and continuing to transmit information to the user equipment through the second carrier according to thescheduling information about the second carrier. By means of the method for transmitting information disclosed, subsequent scheduling information that may not be received by a user equipment due to alarge carrier span can be reduced, avoiding unnecessary retransmission, and saving system resources.

Description

technical field [0001] The present disclosure relates to the field of communication technology, and in particular, to a method and device for transmitting information. Background technique [0002] With the development of wireless communication technology, mobile communication networks are gradually evolving to 5G networks. One of the key technologies of the 5G network communication system is to use high-frequency wireless resources such as frequencies above 6GHz for data transmission. In a 5G network, the bandwidth of a single-band band will be close to 1GHz, and the bandwidth level of a single carrier will be between 80MHz and 400MHz. In the related 4G network LTE (Long Term Evolutions, long-term evolution) system, the bandwidth of a single-band band generally does not exceed 200MHz, and the bandwidth level of a single carrier is: 1.4MHz to 20MHz. Therefore, compared with the 4G network LTE system, the 5G network puts forward higher requirements for the transmission capab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04W72/04H04W72/12H04W88/06
CPCH04L5/0053H04W72/0453H04W88/06H04W72/23H04L5/001H04L5/0094H04W8/24H04W72/1273H04W72/51
Inventor 周珏嘉
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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