CN104993909A - Data processing method and device for obfuscating data of PUCCH (Physical Uplink Control Channel) format 1b with channel selection 1bcs - Google Patents

Data processing method and device for obfuscating data of PUCCH (Physical Uplink Control Channel) format 1b with channel selection 1bcs Download PDF

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CN104993909A
CN104993909A CN201510377090.0A CN201510377090A CN104993909A CN 104993909 A CN104993909 A CN 104993909A CN 201510377090 A CN201510377090 A CN 201510377090A CN 104993909 A CN104993909 A CN 104993909A
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data
scramble data
modulation
grade
coding strategy
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CN104993909B (en
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李静
李翔
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

The embodiment of the invention provides a data processing method and device for obfuscating data of PUCCH (Physical Uplink Control Channel) format 1b with channel selection 1bcs. The method comprises the following steps: receiving a downlink data reception state table fed back by a terminal using PUCCH format 1b with channel selection 1bcs; receiving a channel quality indicator (CQI) reported by the terminal; determining a modulation and coding strategy 1 (MCS1) level corresponding to the CQI; when detection indicates that a hybrid automatic repeat request (HARQ) is obfuscating data ANY, adjusting the MCS1 level according to a previous HARQ of the obfuscating data ANY, wherein the previous HARQ comprises acknowledgement (ACK), negative acknowledgement (NACK) and discontinuous transmission (DTX); and processing the obfuscating data ANY as the ACK or the NACK according to the adjusted MCS2 level. Through adoption of the data processing method and device, extra repeat of downlink data can be avoided, and the waste of network resources is avoided.

Description

For data processing method and the device of the Channel assignment 1bcs scramble data of PUCCH format 1b
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of data processing method of the Channel assignment 1bcs scramble data for PUCCH format 1b and a kind of data processing equipment of the Channel assignment 1bcs scramble data for PUCCH format 1b.
Background technology
LTE TDD, domestic also known as timesharing Long Term Evolution (Time Division Long Term Evolution, TD-LTE), be a kind of wireless technology of time division duplex.
In R10 version, LTE TDD system introduces carrier aggregation (CarrierAggregation, CA) technology, by by the carrier aggregation of 2 or more together after, transfer of data is carried out again, to improve the transmittability of data on each channel format.
In order to support carrier aggregation, LTE TDD system has increased a kind of PUCCH (Physical UplinkControl Channel newly, Physical Uplink Control Channel) hybrid automatic retransmission request information (HybridAutomatic Repeat reQuest, HARQ) feedback system, i.e. PUCCH format (form) 1b withchannel selection (Channel assignment) mode, which is referred to as 1bcs (1B Channel Selection, lb Channel assignment) mode.
HARQ transfers to base station in table form, base station can parse the reception condition of terminal for downlink data according to the HARQ in form, specifically, when the HARQ in form is confirmation ACK (Acknowledgement), represent that terminal receives downlink data, and correctly can resolve downlink data, when the HARQ in form be not confirmation NACK (NegativeAcknowledgement) time, show that terminal receives downlink data, but correctly cannot resolve downlink data, need to retransmit this downlink data, when the HARQ in form is discontinuous transmission information DTX (Discontinuous Transmission), represent that terminal does not receive downlink data, need to retransmit these data descending.
But, when carrying out carrier aggregation to 2 carrier waves, once the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b needs the data volume of transmission more than 4bit, the information transmitted then easily is caused to occur obscuring, when occurring obscuring, usually be presented as scramble data ANY in the table, now, base station correctly cannot know which in confirmation ACK, non-confirmation NACK and discontinuous transmission information DTX this scramble data ANY be actually.
In the related, the usual way for scramble data ANY is: or by scramble data ANY all as confirmation ACK, or scramble data ANY is all regarded not confirmation NACK.
The result that this processing method to scramble data ANY obtains often departs from the HARQ of terminal actual feedback, when the HARQ of terminal feedback is confirmation ACK, but scramble data ANY is assigned as not confirmation NACK process, corresponding downlink data is retransmitted, when the HARQ of terminal feedback be not confirmation NACK time, but scramble data ANY is assigned as confirmation ACK process, thus do not carry out retransmission operation, which results in the downlink data that should retransmit not retransmit, the original downlink data that should not retransmit but retransmits, this not only causes the time delay of downlink data to arrive, the waste of Internet resources is also caused due to extra re-transmission.
Summary of the invention
In view of the above problems, the embodiment of the present invention is proposed to provide a kind of data processing equipment overcoming the problems referred to above or a kind of data processing method of the Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b solved the problem at least in part and a kind of Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b accordingly.
In order to solve the problem, the embodiment of the invention discloses a kind of data processing method of the Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b, comprising:
The downlink data receiving state table that receiving terminal is fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b; Described downlink data receiving state table comprises the hybrid automatic retransmission request information HARQ corresponding with continuous multiple downlink data; Described hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK, scramble data ANY and discontinuous transmission information DTX;
The channel quality indication (CQI) information CQI that receiving terminal reports;
Determine the modulation corresponding with described channel quality indication (CQI) information CQI and coding strategy MCS 1grade;
When detecting that described hybrid automatic retransmission request information HARQ is scramble data ANY, according to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, adjust described modulation and coding strategy MCS 1grade; Described previous hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK and discontinuous transmission information DTX;
According to the modulation after described adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by described scramble data ANY.
Preferably, the described previous hybrid automatic retransmission request information HARQ according to described scramble data ANY, adjusts described modulation and coding strategy MCS 1the step of grade comprises:
According to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, determine to adjust parameter V add;
Adopt described adjustment parameter V addadjust described modulation and coding strategy MCS 1grade, obtains the modulation after adjustment and coding strategy MCS 2grade, is specially: MCS 2=MCS 1+ V add.
Preferably, described adjustment parameter V adddetermine in the following manner:
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY is confirmation ACK, V add=1/ (K+1);
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY be not confirmation NACK or discontinuous transmission information DTX time, V add=-K/ (K+1);
Wherein, K=(1-init_BLER)/init_BLER, init_BLER is default bLock error rate.
Preferably, described according to the modulation after described adjustment and coding strategy MCS 2grade, comprises the step that described scramble data ANY is treated to confirmation ACK or non-confirmation NACK:
Judge the modulation after described adjustment and coding strategy MCS 2whether grade is less than predetermined threshold value;
If so, then described scramble data ANY is treated to not confirmation NACK;
If not, then described scramble data ANY is treated to confirmation ACK.
Preferably, described method also comprises:
When described scramble data ANY is treated to not confirmation NACK time, downlink data corresponding for described scramble data ANY is retransmitted.
The embodiment of the invention discloses a kind of data processing equipment of the Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b, comprising:
Downlink data receiving state table receiver module, for the downlink data receiving state table that receiving terminal is fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b; Described downlink data receiving state table comprises the hybrid automatic retransmission request information HARQ corresponding with continuous multiple downlink data; Described hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK, scramble data ANY and discontinuous transmission information DTX;
Channel quality indication (CQI) information CQI receiver module, for the channel quality indication (CQI) information CQI that receiving terminal reports;
Coding strategy MCS 1level determination module, for determining the modulation corresponding with described channel quality indication (CQI) information CQI and coding strategy MCS 1grade;
Coding strategy MCS 1level adjustment module, for when detecting that described hybrid automatic retransmission request information HARQ is scramble data ANY, according to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, adjusts described modulation and coding strategy MCS 1grade; Described previous hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK and discontinuous transmission information DTX;
Scramble data ANY processing module, for according to the modulation after described adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by described scramble data ANY.
Preferably, described coding strategy MCS 1level adjustment module comprises:
Adjustment parameter V adddetermine submodule, for the previous hybrid automatic retransmission request information HARQ according to described scramble data ANY, determine to adjust parameter V add;
Modulation and coding strategy MCS 2grade obtains submodule, for adopting described adjustment parameter V addadjust described modulation and coding strategy MCS 1grade, obtains the modulation after adjustment and coding strategy MCS 2grade, is specially: MCS 2=MCS 1+ V add.
Preferably, described adjustment parameter V adddetermine in the following manner:
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY is confirmation ACK, V add=1/ (K+1);
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY be not confirmation NACK or discontinuous transmission information DTX time, V add=-K/ (K+1);
Wherein, K=(1-init_BLER)/init_BLER, init_BLER is default bLock error rate.
Preferably, described scramble data ANY processing module comprises:
Judge submodule, for judging the modulation after described adjustment and coding strategy MCS 2whether grade is less than predetermined threshold value;
First scramble data ANY process submodule, for as the modulation after described adjustment and coding strategy MCS 2when grade is less than predetermined threshold value, described scramble data ANY is treated to not confirmation NACK;
Second scramble data ANY process submodule, for as the modulation after described adjustment and coding strategy MCS 2when grade is more than or equal to predetermined threshold value, described scramble data ANY is treated to confirmation ACK.
Preferably, described device also comprises:
Downlink data retransmission module, for when described scramble data ANY is treated to not confirmation NACK time, downlink data corresponding for described scramble data ANY is retransmitted.
The embodiment of the present invention comprises following advantage:
The embodiment of the present invention can the channel quality indication (CQI) information CQI of the downlink data receiving state table that fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b of receiving terminal and terminal to report, determines the modulation corresponding with channel quality indication (CQI) information CQI and coding strategy MCS 1grade, when detecting that hybrid automatic retransmission request information HARQ is scramble data ANY, according to previous hybrid automatic retransmission request information HARQ adjustment modulation and the coding strategy MCS of scramble data ANY 1grade, according to the modulation after adjustment and coding strategy MCS 2scramble data ANY is treated to confirmation ACK or non-confirmation NACK by grade.Due to the scramble data ANY of the embodiment of the present invention be according to adjustment after modulation and coding strategy MCS 2grade carries out processing, relative to just simply scramble data ANY is treated in background technology confirmation ACK or or be treated to the processing mode of not confirmation NACK, the process of the embodiment of the present invention to scramble data ANY is more reasonable, result more meets the hybrid automatic retransmission request information HARQ of terminal actual feedback, therefore, the embodiment of the present invention can avoid the additional re-transmission of downlink data, avoids the waste of Internet resources.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the data processing method embodiment 1 of a kind of Channel assignment 1b cs scramble data for Physical Uplink Control Channel PUCCH format 1b of the present invention;
Fig. 2 is the flow chart of steps of the data processing method embodiment 2 of a kind of Channel assignment 1b cs scramble data for Physical Uplink Control Channel PUCCH format 1b of the present invention;
Fig. 3 is the structured flowchart of the data processing equipment embodiment 1 of a kind of Channel assignment 1b cs scramble data for Physical Uplink Control Channel PUCCH format 1b of the present invention;
Fig. 4 is the structured flowchart of the data processing equipment embodiment 2 of a kind of Channel assignment 1b cs scramble data for Physical Uplink Control Channel PUCCH format 1b of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
In R10 version, LTE TDD system introduces carrier aggregation (CarrierAggregation, CA) technology, by by the carrier aggregation of 2 or more together after, transfer of data is carried out again, to improve the transmittability of data on each channel format.
In order to support carrier aggregation technology, LTE TDD system has increased a kind of PUCCH (PhysicalUplink Control Channel newly, Physical Uplink Control Channel) hybrid automatic retransmission request information (HybridAutomatic Repeat reQuest, HARQ) feedback system, i.e. PUCCH format (form) 1b with channel selection (Channel assignment) mode, which is referred to as 1bcs (1B ChannelSelection, lb Channel assignment) mode.
Whether hybrid automatic retransmission request information HARQ correctly can receive downlink data in order to indicating terminal, according to hybrid automatic retransmission request information HARQ, base station can determine whether terminal proper reception of data.
When terminal adopts 2 carrier waves to carry out transfer of data by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b, need 2 carrier waves to be polymerized, then downlink data receiving state table corresponding for the hybrid automatic retransmission request information HARQ on the carrier wave after polymerization is fed back.
But, when the Channel assignment 1bcs channel format of Physical Uplink Control Channel PUCCH format 1b needs transmitted data amount more than 4bit, easily cause the hybrid automatic retransmission request information HARQ fed back to occur scramble data ANY, as shown in Table 1 and Table 2:
Table 1
Table 2
And in the related, the usual way for scramble data ANY is: or by scramble data ANY all as confirmation ACK, or scramble data ANY is all regarded not confirmation NACK.
This processing method to scramble data ANY, often depart from the HARQ of terminal actual feedback, when the HARQ of terminal feedback is confirmation ACK, but scramble data ANY is assigned as not confirmation NACK process, corresponding downlink data is retransmitted, when the HARQ of terminal feedback be not confirmation NACK time, but scramble data ANY is assigned as confirmation ACK process, thus do not carry out retransmission operation, which results in the downlink data that should retransmit not retransmit, the original downlink data that should not retransmit but retransmits, this not only causes the time delay of downlink data to arrive, the waste of Internet resources is also caused due to extra re-transmission.
Therefore, one of core idea of the embodiment of the present invention is, the embodiment of the present invention can the channel quality indication (CQI) information CQI of the downlink data receiving state table that fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b of receiving terminal and terminal to report, determines the modulation corresponding with channel quality indication (CQI) information CQI and coding strategy MCS 1grade, when detecting that hybrid automatic retransmission request information HARQ is scramble data ANY, according to previous hybrid automatic retransmission request information HARQ adjustment modulation and the coding strategy MCS of scramble data ANY 1grade, according to the modulation after adjustment and coding strategy MCS 2scramble data ANY is treated to confirmation ACK or non-confirmation NACK by grade.Due to the scramble data ANY of the embodiment of the present invention be according to adjustment after modulation and coding strategy MCS 2grade carries out processing, relative to just simply scramble data ANY is treated in background technology confirmation ACK or or be treated to the processing mode of not confirmation NACK, the process of the embodiment of the present invention to scramble data ANY is more reasonable, result more meets the hybrid automatic retransmission request information HARQ of terminal actual feedback, therefore, the embodiment of the present invention can avoid the additional re-transmission of downlink data, avoids the waste of Internet resources.
With reference to Fig. 1, show the flow chart of steps of the data processing method embodiment 1 of a kind of Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b of the present invention, specifically can comprise the steps:
Step 101, the downlink data receiving state table that receiving terminal is fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b;
In embodiments of the present invention, base station can the downlink data receiving state table that fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b of receiving terminal, exemplarily, table 1 and table 2 are the downlink data receiving state table of terminal feedback, downlink data receiving state table can be the form whether indicating terminal that hybrid automatic retransmission request information HARQ is corresponding correctly receives downlink data, and downlink data receiving state table can comprise the hybrid automatic retransmission request information HARQ corresponding with continuous multiple downlink data.
Wherein, hybrid automatic retransmission request information HARQ can comprise confirmation ACK (Acknowledgement), not confirmation NACK (Nacknowledgement), scramble data ANY and discontinuous transmission information DTX (Discontinuous Transmission), wherein, confirmation ACK can represent that terminal receives downlink data, and correctly can resolve downlink data, can not represent during confirmation NACK that terminal receives downlink data, but correctly cannot resolve downlink data, and for scramble data ANY, the reception condition of terminal to downlink data correctly cannot be known in base station, actually or this information confirmation ACK non-confirmation NACK namely cannot be determined, and then cannot determine whether to need to carry out retransmission process to downlink data, discontinuous transmission information DTX represents that terminal does not receive downlink data or base station does not send this downlink data.
Such as, for the NACK in table 1, ANY, ANY, be the hybrid automatic retransmission request information HARQ that 3 continuous downlink datas are corresponding.
Step 102, the channel quality indication (CQI) information CQI that receiving terminal reports;
Channel quality indication (CQI) information CQI (Channel Quality Indicator) can in order to represent the quality of present channel quality, and for different channel qualities, its value is also different, and usual span is 0 ~ 15.
Channel quality indication (CQI) information CQI is reported by terminal usually, and base station can the channel quality indication (CQI) information CQI that reports of receiving terminal.
Step 103, determines the modulation corresponding with described channel quality indication (CQI) information CQI and coding strategy MCS 1grade;
In embodiments of the present invention, modulation and coding strategy MCS 1grade in order to represent the quality of present channel quality, for different channel qualities, can be divided into different grades, and the division scope of grade is generally 0 ~ 28.
Modulation and coding strategy MCS 1when grade and channel quality adapt, the utilance of channel can be improved substantially, improve the transmission performance of data, thus, as modulation and coding strategy MCS 1grade and channel quality incompatible time, should to modulation and coding strategy MCS 1grade adjusts.
Channel quality indication (CQI) information CQI and modulation and the coding strategy MCS of the embodiment of the present invention 1grade can have mapping relations, the corresponding different modulation of different values of channel quality indication (CQI) information CQI and coding strategy MCS 1grade, the embodiment of the present invention can determine the modulation corresponding with described channel quality indication (CQI) information CQI and coding strategy MCS according to mapping relations 1grade.
Channel quality indication (CQI) information CQI and modulation and coding strategy MCS 1the mapping relations of grade can be formulated according to actual needs voluntarily, and inventive embodiments is not restricted this.
Step 104, when detecting that described hybrid automatic retransmission request information HARQ is scramble data ANY, according to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, adjusts described modulation and coding strategy MCS 1grade;
Step 105, according to the modulation after described adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by described scramble data ANY.
Usually, in LTE TDD system, can according to hybrid automatic retransmission request information HARQ, adopt Adaptive Modulation and Coding (Adaptive Modulation and Coding, AMC) technology, adjusts modulation and coding strategy MCS, to guarantee transmission quality.
In embodiments of the present invention, when detecting that hybrid automatic retransmission request information HARQ is scramble data ANY, when namely there is scramble data ANY in downlink data receiving state table, AMC technology is not first adopted to adjust modulation and coding strategy MCS for scramble data ANY.
But according to the previous hybrid automatic retransmission request information HARQ of scramble data ANY, adjustment modulation and coding strategy MCS 1grade.
In embodiments of the present invention, previous hybrid automatic retransmission request information HARQ can comprise confirmation ACK (Acknowledgement), not confirmation NACK (Nacknowledgement) and discontinuous transmission information DTX.
Such as, for the ANY of second in NACK, ANY, ANY, the embodiment of the present invention can according to first NACK adjustment modulation and coding strategy MCS 1grade, for the 3rd ANY, then adjusts modulation and coding strategy MCS according to the result of second ANY 1grade, e.g., if second ANY is treated to ACK, then for the 3rd ANY, adjusts modulation and coding strategy MCS according to the result ACK of second ANY 1grade.
Then according to the modulation after adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by described scramble data ANY.
Due to the scramble data ANY of the embodiment of the present invention be according to adjustment after modulation and coding strategy MCS 2grade carries out processing, relative to background technology, the process of the embodiment of the present invention to scramble data ANY is more reasonable, result more meets the hybrid automatic retransmission request information HARQ of terminal actual feedback, and the embodiment of the present invention can retransmit in time to needing the downlink data retransmitted, and, avoid not needing the downlink data retransmitted to carry out extra re-transmission, therefore, the embodiment of the present invention can ensure the timely incoming terminal of downlink data, avoids the waste of Internet resources.
With reference to Fig. 2, show the flow chart of steps of the data processing method embodiment 2 of a kind of Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b of the present invention, specifically can comprise the steps:
Step 201, the downlink data receiving state table that receiving terminal is fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b;
The downlink data receiving state table of the embodiment of the present invention comprises the hybrid automatic retransmission request information HARQ corresponding with continuous multiple downlink data; Wherein, hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK, scramble data ANY and discontinuous transmission information DTX;
Step 202, the channel quality indication (CQI) information CQI that receiving terminal reports;
Step 203, determines the modulation corresponding with described channel quality indication (CQI) information CQI and coding strategy MCS 1grade;
Step 204, when detecting that described hybrid automatic retransmission request information HARQ is scramble data ANY, according to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, adjusts described modulation and coding strategy MCS 1grade;
The embodiment of the present invention can determine corresponding modulation and coding strategy MCS according to the channel quality indication (CQI) information CQI of terminal to report 1grade, will modulate and coding strategy MCS 1grade is as initial modulation and coding strategy MCS grade.
When detecting that hybrid automatic retransmission request information HARQ is scramble data ANY, can to modulation and coding strategy MCS 1grade adjusts.
Previous hybrid automatic retransmission request information HARQ can comprise confirmation ACK (Acknowledgement), not confirmation NACK (Nacknowledgement) and discontinuous transmission information DTX.
In a preferred embodiment of the invention, step 204 can comprise following sub-step:
Sub-step 2041, according to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, determines to adjust parameter V add;
Sub-step 2042, adopts described adjustment parameter V addadjust described modulation and coding strategy MCS 1grade, obtains the modulation after adjustment and coding strategy MCS 2grade, is specially: MCS 2=MCS 1+ V add.
The adjustment parameter V of the embodiment of the present invention addspecifically can obtain in the following manner:
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY is confirmation ACK, V add=1/ (K+1);
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY be not confirmation NACK or discontinuous transmission information DTX time, V add=-K/ (K+1);
Wherein, K is the adjustment step-length ratio of a NACK and ACK information, the bLock error rate init_BLER (BlockErrorRatio) of downlink data can be adopted to calculate obtain, specific formula for calculation is: K=(1-init_BLER)/init_BLER.
BLock error rate init_BLER refers to the ratio of the quantity of the downlink data not having the quantity of the downlink data of correct incoming terminal and base station always to send, such as, descending total amount of data is 100, accurate incoming terminal have 90, so bLock error rate init_BLER is 10%.
In actual applications, bLock error rate init_BLER can be preset, the value of bLock error rate init_BLER can set according to actual needs, and as the value of bLock error rate init_BLER being set as 10%, 5%, 15% etc., the embodiment of the present invention is not restricted this.
By formula MCS 2=MCS 1+ V addcan learn, when the previous hybrid automatic retransmission request information HARQ of described scramble data ANY is confirmation ACK, will modulate and coding strategy MCS 1grade raises certain grade, and the step-length of rise is 1/ (K+1), the previous hybrid automatic retransmission request information HARQ of described scramble data ANY be not confirmation NACK or discontinuous transmission information DTX time, will modulate and coding strategy MCS 1grade lowers certain grade, and the step-length of downward is-1/ (K+1).
Step 205, according to the modulation after described adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by described scramble data ANY.
The embodiment of the present invention can according to the modulation after adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by scramble data ANY.
In one preferred embodiment of the invention, step 205 can comprise following sub-step:
Sub-step 2051, judges the modulation after described adjustment and coding strategy MCS 2whether grade is less than predetermined threshold value.
The embodiment of the present invention can judge the modulation after adjusting and coding strategy MCS 2whether grade is less than predetermined threshold value, if so, then performs sub-step 2052, if not, then performs sub-step 2053.
It should be noted that, this area can set the size of predetermined threshold value according to actual needs, and such as, predetermined threshold value can be set as 13, also predetermined threshold value can be set as 15, the embodiment of the present invention is not restricted this.
Sub-step 2052, is treated to not confirmation NACK by described scramble data ANY;
Sub-step 2053, is treated to confirmation ACK by described scramble data ANY.
If the modulation after adjustment and coding strategy MCS 2grade is less than predetermined threshold value, illustrates that channel quality is poor, and the likelihood ratio that scramble data ANY is actually not confirmation NACK is comparatively large, scramble data ANY is treated to not confirmation NACK more appropriate, if the modulation after adjustment and coding strategy MCS 2grade is more than or equal to predetermined threshold value, illustrates that channel quality is relatively good, and the likelihood ratio that scramble data ANY is actually confirmation ACK is comparatively large, scramble data ANY is treated to confirmation ACK more appropriate.
Step 206, when described scramble data ANY is treated to not confirmation NACK time, downlink data corresponding for described scramble data ANY is retransmitted.
When scramble data ANY is treated to not confirmation NACK time, now, illustrate that terminal does not correctly receive downlink data, therefore, base station can retransmit these data, to guarantee that downlink data can incoming terminal in time.
The embodiment 1 that Fig. 1 and Fig. 2 is corresponding and embodiment 2 have similarity, and not exhaustive part is cross-referenced.
For making advantage of the present invention more obvious, be illustrated with instantiation below:
Suppose MCS 1=20, init_BLER=10%, calculates and obtains K=9, when the previous hybrid automatic retransmission request information HARQ of scramble data ANY is confirmation ACK, and V add=1/ (K+1)=0.1; When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY be not confirmation NACK or discontinuous transmission information DTX time, V add=-K/ (K+1)=-0.9, the result table 3 of the present invention and prior art:
Table 3
The revised MCS of CQI can be found out by upper table 3 2the CQI correction result of correctly resolving with base station closer to, therefore, the present invention is to the hybrid automatic retransmission request information HARQ of the process of scramble data ANY closer to terminal actual feedback.
It should be noted that, for embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the embodiment of the present invention is not by the restriction of described sequence of movement, because according to the embodiment of the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action might not be that the embodiment of the present invention is necessary.
With reference to Fig. 3, show the structured flowchart of the data processing equipment embodiment 1 of a kind of Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b of the present invention, specifically can comprise as lower module:
Downlink data receiving state table receiver module 301, for the downlink data receiving state table that receiving terminal is fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b;
The downlink data receiving state table of the embodiment of the present invention can comprise the hybrid automatic retransmission request information HARQ corresponding with continuous multiple downlink data, and hybrid automatic retransmission request information HARQ can comprise confirmation ACK, non-confirmation NACK, scramble data ANY and discontinuous transmission information DTX;
Channel quality indication (CQI) information CQI receiver module 302, for the channel quality indication (CQI) information CQI that receiving terminal reports;
Coding strategy MCS 1level determination module 303, for determining the modulation corresponding with described channel quality indication (CQI) information CQI and coding strategy MCS 1grade;
Coding strategy MCS 1level adjustment module 304, for when detecting that described hybrid automatic retransmission request information HARQ is scramble data ANY, according to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, adjusts described modulation and coding strategy MCS 1grade; Described previous hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK and discontinuous transmission information DTX;
Scramble data ANY processing module 305, for according to the modulation after described adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by described scramble data ANY.
With reference to Fig. 4, show the structured flowchart of the data processing equipment embodiment 2 of a kind of Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b of the present invention, specifically can comprise as lower module:
Downlink data receiving state table receiver module 401, for the downlink data receiving state table that receiving terminal is fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b;
The downlink data receiving state table of the embodiment of the present invention can comprise the hybrid automatic retransmission request information HARQ corresponding with continuous multiple downlink data, and hybrid automatic retransmission request information HARQ can comprise confirmation ACK, non-confirmation NACK, scramble data ANY and discontinuous transmission information DTX;
Channel quality indication (CQI) information CQI receiver module 402, for the channel quality indication (CQI) information CQI that receiving terminal reports;
Coding strategy MCS 1level determination module 403, for determining the modulation corresponding with described channel quality indication (CQI) information CQI and coding strategy MCS 1grade;
Coding strategy MCS 1level adjustment module 404, for when detecting that described hybrid automatic retransmission request information HARQ is scramble data ANY, according to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, adjusts described modulation and coding strategy MCS 1grade; Described previous hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK and discontinuous transmission information DTX;
In one preferred embodiment of the invention, coding strategy MCS 1level adjustment module 404 can comprise following submodule:
Adjustment parameter V adddetermine submodule 4041, for the previous hybrid automatic retransmission request information HARQ according to described scramble data ANY, determine to adjust parameter V add;
Modulation and coding strategy MCS 2grade obtains submodule 4042, for adopting described adjustment parameter V addadjust described modulation and coding strategy MCS 1grade, obtains the modulation after adjustment and coding strategy MCS 2grade, is specially: MCS 2=MCS 1+ V add.
Wherein, parameter V is adjusted addcan determine in the following manner:
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY is confirmation ACK, V add=1/ (K+1);
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY be not confirmation NACK or discontinuous transmission information DTX time, V add=-K/ (K+1);
Wherein, K=(1-init_BLER)/init_BLER, init_BLER is default bLock error rate.
Scramble data ANY processing module 405, for according to the modulation after described adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by described scramble data ANY;
In one preferred embodiment of the invention, scramble data ANY processing module 405 can comprise following than module:
Judge submodule 4051, for judging the modulation after described adjustment and coding strategy MCS 2whether grade is less than predetermined threshold value;
First scramble data ANY process submodule 4052, for as the modulation after described adjustment and coding strategy MCS 2when grade is less than predetermined threshold value, described scramble data ANY is treated to not confirmation NACK;
Second scramble data ANY process submodule 4053, for as the modulation after described adjustment and coding strategy MCS 2when grade is more than or equal to predetermined threshold value, described scramble data ANY is treated to confirmation ACK.
Downlink data retransmission module 406, for when described scramble data ANY is treated to not confirmation NACK time, downlink data corresponding for described scramble data ANY is retransmitted.
For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Those skilled in the art should understand, the embodiment of the embodiment of the present invention can be provided as method, device or computer program.Therefore, the embodiment of the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the embodiment of the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The embodiment of the present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, terminal equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminal equipment to produce a machine, making the instruction performed by the processor of computer or other programmable data processing terminal equipment produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing terminal equipment, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment, make to perform sequence of operations step to produce computer implemented process on computer or other programmable terminal equipment, thus the instruction performed on computer or other programmable terminal equipment is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although described the preferred embodiment of the embodiment of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of embodiment of the present invention scope.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or terminal equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or terminal equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the terminal equipment comprising described key element and also there is other identical element.
Above to the data processing method of a kind of Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b provided by the present invention and a kind of data processing equipment of the Channel assignment 1bcs scramble data for Physical Uplink Control Channel PUCCH format 1b, be described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

1., for a data processing method for the Channel assignment 1bcs scramble data of Physical Uplink Control Channel PUCCH format 1b, it is characterized in that, comprising:
The downlink data receiving state table that receiving terminal is fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b; Described downlink data receiving state table comprises the hybrid automatic retransmission request information HARQ corresponding with continuous multiple downlink data; Described hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK, scramble data ANY and discontinuous transmission information DTX;
The channel quality indication (CQI) information CQI that receiving terminal reports;
Determine the modulation corresponding with described channel quality indication (CQI) information CQI and coding strategy MCS 1grade;
When detecting that described hybrid automatic retransmission request information HARQ is scramble data ANY, according to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, adjust described modulation and coding strategy MCS 1grade; Described previous hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK and discontinuous transmission information DTX;
According to the modulation after described adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by described scramble data ANY.
2. method according to claim 1, is characterized in that, the described previous hybrid automatic retransmission request information HARQ according to described scramble data ANY, adjusts described modulation and coding strategy MCS 1the step of grade comprises:
According to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, determine to adjust parameter V add;
Adopt described adjustment parameter V addadjust described modulation and coding strategy MCS 1grade, obtains the modulation after adjustment and coding strategy MCS 2grade, is specially: MCS 2=MCS 1+ V add.
3. method according to claim 2, is characterized in that, described adjustment parameter V adddetermine in the following manner:
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY is confirmation ACK, V add=1/ (K+1);
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY be not confirmation NACK or discontinuous transmission information DTX time, V add=-K/ (K+1);
Wherein, K=(1-init_BLER)/init_BLER, init_BLER is default bLock error rate.
4. method according to claim 1, is characterized in that, described according to the modulation after described adjustment and coding strategy MCS 2grade, comprises the step that described scramble data ANY is treated to confirmation ACK or non-confirmation NACK:
Judge the modulation after described adjustment and coding strategy MCS 2whether grade is less than predetermined threshold value;
If so, then described scramble data ANY is treated to not confirmation NACK;
If not, then described scramble data ANY is treated to confirmation ACK.
5. method according to claim 4, is characterized in that, also comprises:
When described scramble data ANY is treated to not confirmation NACK time, downlink data corresponding for described scramble data ANY is retransmitted.
6., for a data processing equipment for the Channel assignment 1bcs scramble data of Physical Uplink Control Channel PUCCH format 1b, it is characterized in that, comprising:
Downlink data receiving state table receiver module, for the downlink data receiving state table that receiving terminal is fed back by the Channel assignment 1bcs of Physical Uplink Control Channel PUCCH format 1b; Described downlink data receiving state table comprises the hybrid automatic retransmission request information HARQ corresponding with continuous multiple downlink data; Described hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK, scramble data ANY and discontinuous transmission information DTX;
Channel quality indication (CQI) information CQI receiver module, for the channel quality indication (CQI) information CQI that receiving terminal reports;
Coding strategy MCS 1level determination module, for determining the modulation corresponding with described channel quality indication (CQI) information CQI and coding strategy MCS 1grade;
Coding strategy MCS 1level adjustment module, for when detecting that described hybrid automatic retransmission request information HARQ is scramble data ANY, according to the previous hybrid automatic retransmission request information HARQ of described scramble data ANY, adjusts described modulation and coding strategy MCS 1grade; Described previous hybrid automatic retransmission request information HARQ comprises confirmation ACK, non-confirmation NACK and discontinuous transmission information DTX;
Scramble data ANY processing module, for according to the modulation after described adjustment and coding strategy MCS 2grade, is treated to confirmation ACK or non-confirmation NACK by described scramble data ANY.
7. device according to claim 6, is characterized in that, described coding strategy MCS 1level adjustment module comprises:
Adjustment parameter V adddetermine submodule, for the previous hybrid automatic retransmission request information HARQ according to described scramble data ANY, determine to adjust parameter V add;
Modulation and coding strategy MCS 2grade obtains submodule, for adopting described adjustment parameter V addadjust described modulation and coding strategy MCS 1grade, obtains the modulation after adjustment and coding strategy MCS 2grade, is specially: MCS 2=MCS 1+ V add.
8. device according to claim 7, is characterized in that, described adjustment parameter V adddetermine in the following manner:
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY is confirmation ACK, V add=1/ (K+1);
When the previous hybrid automatic retransmission request information HARQ of described scramble data ANY be not confirmation NACK or discontinuous transmission information DTX time, V add=-K/ (K+1);
Wherein, K=(1-init_BLER)/init_BLER, init_BLER is default bLock error rate.
9. device according to claim 6, is characterized in that, described scramble data ANY processing module comprises:
Judge submodule, for judging the modulation after described adjustment and coding strategy MCS 2whether grade is less than predetermined threshold value;
First scramble data ANY process submodule, for as the modulation after described adjustment and coding strategy MCS 2when grade is less than predetermined threshold value, described scramble data ANY is treated to not confirmation NACK;
Second scramble data ANY process submodule, for as the modulation after described adjustment and coding strategy MCS 2when grade is more than or equal to predetermined threshold value, described scramble data ANY is treated to confirmation ACK.
10. device according to claim 9, is characterized in that, also comprises:
Downlink data retransmission module, for when described scramble data ANY is treated to not confirmation NACK time, downlink data corresponding for described scramble data ANY is retransmitted.
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