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ACK/NACK detection method and device on physical uplink shared channel

A physical uplink sharing and channel technology, applied in the field of communication, can solve problems such as difficult threshold values, achieve the effect of simplifying the selection of threshold values ​​and ensuring the probability of missed detection and false detection

Inactive Publication Date: 2018-05-25
SANECHIPS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the impact of noise and multipath fading on the signal amplitude, the selection of the threshold value requires high accuracy in order to ensure that the ACK / NACK information miss detection probability and error detection probability meet the performance requirements at the same time, that is to say, in It is difficult to determine the appropriate threshold value in a changing channel environment

Method used

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  • ACK/NACK detection method and device on physical uplink shared channel
  • ACK/NACK detection method and device on physical uplink shared channel
  • ACK/NACK detection method and device on physical uplink shared channel

Examples

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no. 1 example

[0039] image 3 It is a flow chart of the first embodiment of the method for detecting ACK / NACK on PUSCH in the present invention, such as image 3 As shown, the method includes:

[0040] Step 300: Obtain soft bit information corresponding to ACK / NACK information on the PUSCH.

[0041] In actual implementation, the HARQ-ACK encoding methods when the ACK / NACK information is 1 bit and 2 bits are shown in Table 1 and Table 2 respectively:

[0042] Table 1 Encoding method when ACK / NACK information is 1 bit

[0043]

[0044] in, ACK / NACK information bits, "x" and "y" are placeholders, which are used to scramble the HARQ-ACK bits, which have no practical significance. After scrambling the y placeholder, the new y in the bit sequence is of repetitions.

[0045] Table 2 Encoding method when ACK / NACK information is 2 bits

[0046]

[0047] in, is the ACK / NACK information bit, "x" is a placeholder, which is used to scramble the HARQ-ACK bits, so as to maximize the E...

no. 2 example

[0093] In order to better reflect the purpose of the present invention, further illustrations are made on the basis of the first embodiment of the present invention.

[0094] Figure 5 It is a flowchart of the second embodiment of the method for detecting ACK / NACK on the PUSCH of the present invention, the method includes:

[0095] Step 500: Process the data on the PUSCH to obtain modulation symbol data.

[0096] In actual implementation, after the terminal receives the service data sent by the base station, it needs to confirm the data and feed it back to the base station. The ACK / NACK feedback information can be multiplexed with the service data and sent to the base station through the PUSCH. The receiving end of the base station receives the data Finally, a series of processing is performed on the data on the PUSCH, including operations such as channel estimation, noise estimation, frequency offset estimation compensation, and equalization. After processing, the data on t...

no. 3 example

[0123] For the method of the embodiment of the present invention, the embodiment of the present invention also provides a device for detecting ACK / NACK on the PUSCH, Image 6 It is a schematic diagram of the composition and structure of the device for detecting ACK / NACK on PUSCH in the embodiment of the present invention, as shown in Image 6 As shown, the device includes: an acquisition module 600, a calculation module 601 and a determination module 602; wherein,

[0124] The obtaining module 600 is configured to obtain bit soft information corresponding to ACK / NACK information on the PUSCH.

[0125] The calculation module 601 is used to obtain the detection value of the ACK / NACK information according to the square of all bits in the bit soft information and the sum of the squares of all bits in the bit soft information; or to correct the bit soft information, according to the corrected The sum of all bits in the bit soft information and the sum of the squares of all bits in...

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Abstract

The embodiment of the invention discloses an ACK / NACK detection method on a PUSCH; the method comprises the following steps of obtaining bit soft information corresponding to acknowledgement / non-acknowledgement ACK / NACK information on the PUSCH; obtaining a detection value of the ACK / NACK information according the square of the sum of all bits in the bit soft information and the sum of squares ofall bits in the bit soft information; or correcting the bit soft information; obtaining the detection value of the ACK / NACK information according to the corrected square of the sum of all bits in thebit soft information and the corrected sum of squares of all bits in the bit soft information; when the detection value of the ACK / NACK information is larger than a preset threshold value, determiningthat ACK / NACK information exists on the PUSCH. The embodiment of the invention further discloses an ACK / NACK detection device on the PUSCH.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method and device for detecting Acknowledgment / Negative Acknowledgment (ACK / NACK) on a Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH). Background technique [0002] In order to adapt to the high-speed and high-reliability data transmission of future mobile communication systems and meet the needs of new services, the Third Generation Partnership Project (3GPP, Third Generation Partnership Projects), under the advocacy of many domestic and foreign large-scale operators, introduced mobile communication The long term evolution (Long Term Evolution, LTE) plan of the Universal Mobile Telecommunications System Terrestrial Radio Access Network (UTRAN) was formally approved for project approval. The feasibility report was completed in June 2006, and the main specifications were completed in June 2007. The LTE project of 3GPP is a project about ...

Claims

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Application Information

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IPC IPC(8): H04L1/16H04L25/03
Inventor 赵宝
Owner SANECHIPS TECH CO LTD
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