Uplink information processing method and device

Abstract

The present invention provides an uplink information processing method and device. The processing method applied to a base station comprises the steps of receiving an uplink data packet of an uplink hybrid automatic repeat request (HARQ) process sent by a terminal; if the uplink data packet is verified successfully, and when the uplink data transmission does not need to be scheduled on the HARQ process at present, sending the ACK confirmation information aiming at the uplink data packet to the terminal on a first preset subframe; determining whether the uplink data transmission needs to be scheduled on the HARQ process at a subsequent second preset subframe, if not, sending the ACK confirmation information aiming at the uplink data packet to the terminal on the second preset subframe, and ending the HARQ process. According to the embodiment of the present invention, by issuing ACK confirmation information two times, the terminal can confirm the ending of the HARQ process, thereby shortening the time that the terminal confirms the successful uplink transmission, and reducing the times of the terminal of monitoring the feedback messages and the business time delay.

Description

Technical field [0001] The present invention relates to the field of wireless communication technology, and in particular to a method and device for processing uplink information. Background technique [0002] In the LTE system, the uplink hybrid automatic repeat request HARQ adopts the HARQ protocol of synchronous multi-process stop and so on, and supports synchronous adaptive HARQ. After the initial transmission occurs, the retransmission must occur at a predefined moment, that is, for a certain uplink HARQ process. After the terminal performs a data transmission, this process is temporarily suspended before the ACK / NACK (feedback information) is fed back. After the terminal receives the ACK / NACK feedback from the base station, it is determined to send a new message according to the specific situation of the feedback information. The data is still retransmitted data. [0003] 3GPP 36.300 specifies the processing flow of uplink HARQ, as shown in the following table: [0004] Table...

AI Technical Summary

Problems solved by technology

In addition, due to the difference in the max HARQ size configured by the base station, the terminal in the dormant period may need to periodically activate and monitor the PDCCH channel

[0011] like figure 1 As shown, taking the CDRX with a time division duplex TDD system period of 40ms (where the active timer is configured as 8psf and the inactive timer is configured as 4psf) as an example, when the max HARQ-TX configuration is greater than 1, the terminal is in subframe 12 After sending uplink data and receiving ACK in subframe 18, it is still necessary to monitor the PDCCH channel on subframe 28 / 38 where retransmission can be scheduled, resulting in repeated interruptions of the sleep period of the terminal and shorter sustainable sleep time

In addition, considering the necessary operations and the corresponding time between the active state and the dormant state of the terminal, when the continuous dormancy time of the terminal is too short, the terminal may only enter a shallow dormant state or even fail to dormant, resulting in During the dormancy period, the terminal frequently performs state transitions between the active state and the dormant state, which greatly reduces the power saving gain that CDRX can bring

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