CN104038308B

CN104038308B - Adjust method and the base station of channel quality instruction

Info

Publication number: CN104038308B
Application number: CN201310070452.2A
Authority: CN
Inventors: 张盼; 李铮铮; 李海朝; 高秀娟
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-03-06
Filing date: 2013-03-06
Publication date: 2017-12-22
Anticipated expiration: 2033-03-06
Also published as: CN104038308A; WO2014135091A1

Abstract

The invention discloses a kind of method for adjusting channel quality instruction and base station, belong to communication technical field.Methods described includes：The descending scheduling attribute of user is determined, descending scheduling is carried out to user, and receives the uplink information of the user feedback, wherein, the uplink information includes：Channel quality indicator (CQI) and downstream packet transmission confirm instruction；Confirm instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtain Packet Error Ratio corresponding to every kind of scheduling attributes；According to the history CQI value of the Packet Error Ratio, the CQI received and every kind of scheduling attributes, CQI adjusted values corresponding to every kind of scheduling attributes are obtained.

Description

Adjust method and the base station of channel quality instruction

Technical field

The present invention relates to communication technical field, more particularly to a kind of method for adjusting channel quality instruction and base station.

Background technology

In existing communication system, base station to user send signal when, it is necessary to according to down channel quality be user choosing Select suitable modulation coding mode.In specific implementation procedure, user is by reporting CQI（ChannelQuality Indicator, channel quality instruction）Carry out the down channel quality for the measurement of base station instruction user；Due to user equipment to report CQI When a fixed response time be present, and CQI measurements based on public guide frequency and the data channel of base station actual schedule certain difference be present Property, base station side needs to carry out the CQI reported certain adjustment, with the actual down channel of matching；Base station is by user feedback Corresponding MCS is mapped as after CQI adjustment（Modulation and Coding Scheme, modulation coding mode）；Base station uses The MCS sends downlink data packet to user.When base station selected MCS matches with down channel, downlink channel transmission efficiency is most Greatly.

In the scheduling of existing single user, independently dispatch user on each TTI for base station, and is only adjusted on each running time-frequency resource A user is spent, its CQI Adjusted Option is：Base station counts the Packet Error Ratio of the user, when Packet Error Ratio, which is more than, sets threshold value, says The bright Channel Modulation coded system currently chosen is higher than actual channel quality, it is necessary to suitably reduce current CQI value；Work as Packet Error Ratio During less than setting threshold value, the Channel Modulation coded system for illustrating currently to choose is less than actual channel quality, and it is appropriate now to need Increase current CQI value.When down channel quality is stable, base station carries out the adjustment of a period of time according to the method described above, makes base The Channel Modulation coded system dispatched of standing gradually is matched with down channel quality.The statistical method of Packet Error Ratio is：Base station calculates one The number of data packets of error of transmission and the ratio of total transmission packet number in the section time.Wherein whether packet transmits correctly, It is the ACK fed back by base station reception user on sub-frame of uplink（Acknowledgement, positive acknowledgment）Or NACK （Negative Acknowledgement, NACK）Indicate what is obtained.In LTE（Long Term Evolution, for a long time Evolution system）-TDD（Time Division Duplexing, time division duplex）In, the ACK or NACK of multiple descending sub frames are same When being fed back on one sub-frame of uplink, TDD ACK or NACK bundling can be used（Binding）Or TDD ACK or NACK multiplexing（Multiplexing）Feedback system.The basic operation process of TDD ACK or NACK bundling feedback systems is：With Family in each code word to TDD ACK or NACK bundling feed back binding set in one or more descending sub frames ACK or NACK carries out logical "and" operation, and in corresponding sub-frame of uplink, user is each codeword feedback 1Bit information, for representing binding collection One or more descending sub frames all transmit correct or whole errors of transmission in conjunction.

But with the development of the communication technology, there is multi-user technology, MU can be supported（Multi-UserMIMO is more User）-MIMO（Multiple Input Multiple Output, multiple-input and multiple-output）And MU-BF（Beam Forming, Beam shaping）Transmission technology, it can carry out the data transfer of multiple users simultaneously on identical running time-frequency resource.Due to multiple When user's pairing number of plies and pairing object etc. are different in the data transfer of user, subscriber signal power and be disturbed difference, because This user's down channel quality can fluctuate therewith.In the case where down channel quality fluctuates, in original scheduling to single user CQI methods of adjustment there is failure to a certain extent in multi-subscriber dispatching, it is impossible to ensure CQI adjustment in multi-subscriber dispatching Accuracy.

The content of the invention

In order to improve the accuracy that CQI is adjusted under multi-user technology, a kind of adjustment channel is provided in the embodiment of the present invention The method of quality instruction and base station.The technical scheme is as follows：

First aspect, there is provided a kind of method for adjusting channel quality instruction, methods described include：Determine that user's is descending Scheduling attributes, descending scheduling is carried out to the user, and receive the uplink information of the user feedback, wherein, the up letter Breath includes：Channel quality indicator (CQI) and downstream packet transmission confirm instruction；According to every kind of scheduling attributes of the user and institute State downstream packet transmission and confirm instruction, obtain Packet Error Ratio corresponding to every kind of scheduling attributes；According to the Packet Error Ratio, described The CQI and the history CQI value of every kind of scheduling attributes received, obtains CQI adjusted values corresponding to every kind of scheduling attributes.

In the first possible embodiment of first aspect, the descending scheduling attribute for determining user, including：

When the downstream packet transmission confirms that descending sub frame number is big in the set of instruction bundled feedback and the binding When 1, each descending scheduling subframe in the set of the binding is disposed as to the scheduling attributes of specified type, makes the use Uplink information corresponding to the scheduling attributes of the specified type is only included in the information that family reports.

The downstream packet transmission confirms that instruction includes：Positive acknowledgment ACK or NACK NACK, the NACK are used for It is correct to indicate that the descending sub frame in the set of the binding does not transmit all, the ACK is used for the set for indicating the binding Interior descending sub frame transmits correctly,

It is described to confirm instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtain described every Packet Error Ratio corresponding to kind scheduling attributes, including：

The ACK or NACK are counted, obtain Packet Error Ratio corresponding to the scheduling attributes of the specified type.

In second of possible embodiment of first aspect, the descending scheduling attribute for determining user, including：

When the downstream packet transmission confirms that descending sub frame number is big in the set of instruction bundled feedback and the binding When 1, the scheduling attributes of each descending scheduling subframe in the set of the binding are set, wherein, each descending scheduling The scheduling attributes of subframe are different.

In the third possible embodiment of second of possible embodiment of first aspect, the downlink data packet Transmission confirms that instruction includes：ACK or NACK, the NACK are used to indicate that the descending sub frame in the set of the binding not to be whole Transmission is correct, and the ACK is used to indicate that the descending sub frame in the set of the binding transmits correctly,

Different countings is carried out according to preset rules to NACK corresponding to every kind of scheduling attributes to handle, it is described to obtain Packet Error Ratio corresponding to every kind of scheduling attributes.

In the 4th kind of possible embodiment of second of possible embodiment of first aspect, the downlink data packet Transmission confirms that instruction includes：ACK or NACK or the 3rd configured information, the 3rd configured information are used for the collection for indicating the binding The inwhole errors of transmission of descending sub frame in conjunction, the NACK are used to indicate that the descending sub frame in the set of the binding passes Inputing mistake by mistake, the ACK is used to indicate that the descending sub frame in the set of the binding transmits correctly,

When the uplink information includes the NACK, NACK corresponding to the different scheduling attributes of the user is carried out Identical counting is handled, and obtains Packet Error Ratio corresponding to every kind of scheduling attributes；

When the uplink information includes three configured information, according to preset rules to the different scheduling category Property corresponding to NACK carry out different counting processing, obtain Packet Error Ratio corresponding to every kind of scheduling attributes.

With reference to first aspect the first possible embodiment of first aspect or in first aspect Two kinds of possible embodiments or first aspect second of possible embodiment the third possible embodiment, Or in the 4th kind of possible embodiment of second of possible embodiment of first aspect, it is described to be wrapped by mistake according to described The history CQI value of rate, the CQI received and every kind of scheduling attributes, obtain CQI corresponding to every kind of scheduling attributes Adjusted value, including：

The CQI received is adjusted according to the Packet Error Ratio, obtains current CQI corresponding to every kind of scheduling attributes Value；

Place is filtered to the history CQI value of current CQI value and every kind of scheduling attributes corresponding to every kind of scheduling attributes Reason, obtains the adjusted value of the CQI.

The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：The descending scheduling attribute of user is determined, it is right User carries out descending scheduling, and receives the uplink information of the user feedback, wherein, the uplink information includes：Channel quality Indicate that CQI and downstream packet transmission confirm instruction；Passed according to every kind of scheduling attributes of the user and the downlink data packet It is defeated to confirm instruction, obtain Packet Error Ratio corresponding to every kind of scheduling attributes；According to the Packet Error Ratio, the CQI received and The history CQI value of every kind of scheduling attributes, obtain CQI adjusted values corresponding to every kind of scheduling attributes.It is directed to so as to realize The CQI adjustment of different user scheduling attributes, improves the accuracy that CQI is adjusted under multi-user technology.

Second aspect, there is provided a kind of method for adjusting channel quality instruction, methods described include：Determine that user's is descending Scheduling attributes, descending scheduling is carried out to the user, and receive the uplink information of the user feedback, wherein, the up letter Breath includes：Channel quality indicator (CQI) and positive acknowledgment ACK or NACK NACK；The ACK received or NACK is carried out Statistics obtains the Packet Error Ratio of the scheduling attributes of the first specified type；According to the Packet Error Ratio, the CQI received and described The history CQI value of the scheduling attributes of one specified type, obtain CQI corresponding to the scheduling attributes of first specified type and adjust Value；According to CQI adjusted values corresponding to the scheduling attributes of first specified type, first specified type scheduling attributes and The scheduling attributes of second specified type, obtain CQI adjusted values corresponding to the scheduling attributes of second specified type.

It is described according to the Packet Error Ratio, the CQI received in the first possible embodiment of second aspect With the history CQI value of the scheduling attributes of first specified type, obtain corresponding to the scheduling attributes of first specified type CQI adjusted values, including：

The CQI received is adjusted according to the Packet Error Ratio, obtains the scheduling category of first specified type The current CQI value of property；

The scheduling attributes of current CQI value and first specified type to the scheduling attributes of first specified type History CQI value is filtered processing, obtains CQI adjusted values corresponding to the scheduling attributes of first specified type.

With reference to second aspect, or second of possible embodiment of the first possible embodiment in second aspect In, the CQI adjusted values according to corresponding to the scheduling attributes of first specified type, the scheduling category of first specified type Property and the second specified type scheduling attributes, obtain CQI adjusted values corresponding to the scheduling attributes of second specified type, bag Include：

According to the scheduling attributes of first specified type and the scheduling attributes of the second specified type, described second is calculated CQI fixed value corresponding to the scheduling attributes of specified type；

Described second is worth to according to CQI adjusted values and the fixation corresponding to the scheduling attributes of first specified type CQI adjusted values corresponding to the scheduling attributes of specified type.

The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：The descending scheduling attribute of user is determined, it is right User carries out descending scheduling, and receives the uplink information of the user feedback, wherein, the uplink information includes：Channel quality Indicate CQI and positive acknowledgment ACK or NACK NACK；The ACK received or NACK is counted to obtain the first finger Determine the Packet Error Ratio of the scheduling attributes of type；According to the tune of the Packet Error Ratio, the CQI received and first specified type The history CQI value of attribute is spent, obtains CQI adjusted values corresponding to the scheduling attributes of first specified type；According to described first CQI adjusted values corresponding to the scheduling attributes of specified type, the scheduling attributes of first specified type and the second specified type Scheduling attributes, obtain CQI adjusted values corresponding to the scheduling attributes of second specified type.So as to realize for different user MU The CQI adjustment of scheduling attributes, improves the accuracy that CQI is adjusted under multi-user technology.

The third aspect, there is provided a kind of base station, the base station include：

Scheduler module, for determining the descending scheduling attribute of user, descending scheduling is carried out to the user, and described in reception The uplink information of user feedback, wherein, the uplink information includes：Channel quality indicator (CQI) and downstream packet transmission confirm Instruction；

Packet Error Ratio acquisition module, confirm for every kind of scheduling attributes according to the user and the downstream packet transmission Instruction, obtains Packet Error Ratio corresponding to every kind of scheduling attributes；

Adjusted value acquisition module, for according to the Packet Error Ratio, the CQI received and every kind of scheduling attributes History CQI value, obtain CQI adjusted values corresponding to every kind of scheduling attributes.

In the first possible embodiment of the third aspect, the scheduler module, including：

First setting unit, for confirming the set of instruction bundled feedback and the binding when the downstream packet transmission When interior descending sub frame number is more than 1, each descending scheduling subframe in the set of the binding is disposed as specified type Scheduling attributes, make to only include uplink information corresponding to the scheduling attributes of the specified type in the information of the reporting of user.

The Packet Error Ratio acquisition module is specifically used for：

In second of possible embodiment of the third aspect, the scheduler module, including：

Second setting unit, for confirming the set of instruction bundled feedback and the binding when the downstream packet transmission When interior descending sub frame number is more than 1, the scheduling attributes of each descending scheduling subframe in the set of the binding are set, wherein, The scheduling attributes of each descending scheduling subframe are different.

In the third possible embodiment of second of possible embodiment of the third aspect, the downlink data Bag transmission confirms that instruction includes：ACK or NACK, the NACK are used to indicate that the descending sub frame in the set of the binding is not complete Portion's transmission is correct, and the ACK is used to indicate that the descending sub frame in the set of the binding transmits correctly,

The Packet Error Ratio acquisition module, is specifically used for：

In the 4th kind of possible embodiment of second of possible embodiment of the third aspect, the downlink data Bag transmission confirms that instruction includes：ACK or NACK or the 3rd configured information, the 3rd configured information are used to indicate the binding The inwhole errors of transmission of descending sub frame in set, the NACK are used to indicate that the descending sub frame in the set of the binding is equal Error of transmission, the ACK are used to indicate that the descending sub frame in the set of the binding transmits correctly,

The Packet Error Ratio acquisition module is specifically used for：

With reference to the third aspect, the first possible embodiment in the third aspect or in the third aspect Two kinds of possible embodiments or the third aspect second of possible embodiment the third possible embodiment, Or in the 4th kind of possible embodiment of second of possible embodiment of the third aspect, the adjusted value obtains mould Block, including：

First acquisition unit, for being adjusted according to the Packet Error Ratio to the CQI received, obtain every kind of scheduling Current CQI value corresponding to attribute；

Second acquisition unit, for being gone through to current CQI value and every kind of scheduling attributes corresponding to every kind of scheduling attributes History CQI value is filtered processing, obtains the adjusted value of the CQI.

Fourth aspect, there is provided a kind of base station, the base station include：

Scheduler module, for determining the descending scheduling attribute of user, descending scheduling is carried out to the user, and receive user The uplink information of feedback, wherein, the uplink information includes：Channel quality indicator (CQI) and positive acknowledgment ACK or NACK NACK；

Packet Error Ratio acquisition module, for being counted to obtain the first specified type to the ACK received or NACK The Packet Error Ratio of scheduling attributes；

First acquisition module, for the tune according to the Packet Error Ratio, the CQI received and first specified type The history CQI value of attribute is spent, obtains CQI adjusted values corresponding to the scheduling attributes of first specified type；

Second acquisition module, for CQI adjusted values, described corresponding to the scheduling attributes according to first specified type The scheduling attributes of the scheduling attributes of one specified type and the second specified type, obtain the scheduling attributes pair of second specified type The CQI adjusted values answered.

In the first possible embodiment of fourth aspect, first acquisition module, including：

First acquisition unit, for being adjusted according to the Packet Error Ratio to the CQI received, obtain described first The current CQI value of the scheduling attributes of specified type；

Second acquisition unit, refer to for the current CQI value of the scheduling attributes to first specified type and described first The history CQI value for determining the scheduling attributes of type is filtered processing, obtains corresponding to the scheduling attributes of first specified type CQI adjusted values.

With reference to fourth aspect, or in second of possible embodiment of fourth aspect, second acquisition module, Including：

3rd acquiring unit, for the scheduling attributes and the scheduling category of the second specified type according to first specified type Property, calculate the fixed value of CQI corresponding to the scheduling attributes of second specified type；

4th acquiring unit, for CQI adjusted values corresponding to the scheduling attributes according to first specified type and described Fixation is worth to CQI adjusted values corresponding to the scheduling attributes of second specified type.

Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.

Fig. 1 is a kind of method flow diagram of the adjustment channel quality instruction provided in the embodiment of the present invention；

Fig. 2 is the method flow diagram of another adjustment channel quality instruction provided in the embodiment of the present invention；

Fig. 3 is the method flow diagram of another adjustment channel quality instruction provided in the embodiment of the present invention；

Fig. 4 is the method flow diagram of another adjustment channel quality instruction provided in the embodiment of the present invention；

Fig. 5 is the method flow diagram of another adjustment channel quality instruction provided in the embodiment of the present invention；

Fig. 6 is the method flow diagram of another adjustment channel quality instruction provided in the embodiment of the present invention；

Fig. 7 is a kind of structural representation of the base station provided in the embodiment of the present invention；

Fig. 8 is the structural representation of another base station provided in the embodiment of the present invention；

Fig. 9 is a kind of structural representation of the base station provided in the embodiment of the present invention；

Figure 10 is the structural representation of another base station provided in the embodiment of the present invention；

Figure 11 is the structural representation of another base station provided in the embodiment of the present invention；

Figure 12 is the structural representation of another base station provided in the embodiment of the present invention.

Embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is described in further detail.

Referring to Fig. 1, a kind of method for adjusting channel quality instruction is provided in the present embodiment, including：

101st, the descending scheduling attribute of user is determined, descending scheduling is carried out to user, and receive the upper of the user feedback Row information, wherein, the uplink information includes：Channel quality indicator (CQI) and downstream packet transmission confirm instruction；

102nd, confirm instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtain described every Packet Error Ratio corresponding to kind scheduling attributes；

103rd, according to the history CQI value of the Packet Error Ratio, the CQI received and every kind of scheduling attributes, obtain CQI adjusted values corresponding to every kind of scheduling attributes.

Alternatively, the descending scheduling attribute for determining user, including：

Alternatively, the downstream packet transmission confirms that instruction includes：Positive acknowledgment ACK or NACK NACK, it is described All transmission is not correct for the descending sub frame that NACK is used to indicate in the set of the binding, and the ACK is used to indicate described tie up Descending sub frame in fixed set transmits correctly,

Correspondingly, it is described to confirm instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtain To Packet Error Ratio corresponding to every kind of scheduling attributes, including：

Alternatively, the downstream packet transmission confirms that instruction includes：ACK or NACK, the NACK are described for indicating All transmission is not correct for descending sub frame in the set of binding, and the ACK is descending in the set of the binding for indicating Subframe is transmitted correctly,

Alternatively, the downstream packet transmission confirms that instruction includes：ACK or NACK or the 3rd configured information, described Three configured informations are used to indicate the inwhole errors of transmission of descending sub frame in the set of the binding, and the NACK is used to indicate The equal error of transmission of descending sub frame in the set of the binding, the ACK are used to indicate the descending son in the set of the binding Frame transmits correctly,

Wherein, the history CQI value according to the Packet Error Ratio, the CQI received and every kind of scheduling attributes, CQI adjusted values corresponding to every kind of scheduling attributes are obtained, including：

The beneficial effect of the present embodiment is：The descending scheduling attribute of user is determined, descending scheduling is carried out to user, and receive The uplink information of the user feedback, wherein, the uplink information includes：Channel quality indicator (CQI) and downstream packet transmission Confirm instruction；Confirm instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtain described every kind of Packet Error Ratio corresponding to scheduling attributes；According to the history of the Packet Error Ratio, the CQI received and every kind of scheduling attributes CQI value, obtain CQI adjusted values corresponding to every kind of scheduling attributes.So as to realize the CQI tune for different user scheduling attributes It is whole, improve the accuracy that CQI is adjusted under multi-user technology.

Referring to Fig. 2, the method that another adjustment channel quality indicates is provided in another embodiment of the present invention, including：

201st, the descending scheduling attribute of user is determined, descending scheduling is carried out to user, and receive the upper of the user feedback Row information, wherein, the uplink information includes：Channel quality indicator (CQI) and positive acknowledgment ACK or NACK NACK；

202nd, the ACK received or NACK is counted to obtain the mistake bag of the scheduling attributes of the first specified type Rate；

203rd, according to the history of the scheduling attributes of the Packet Error Ratio, the CQI received and first specified type CQI value, obtain CQI adjusted values corresponding to the scheduling attributes of first specified type；

204th, CQI adjusted values, first specified type according to corresponding to the scheduling attributes of first specified type The scheduling attributes of scheduling attributes and the second specified type, obtain CQI adjustment corresponding to the scheduling attributes of second specified type Value.

Wherein, the scheduling attributes according to the Packet Error Ratio, the CQI received and first specified type History CQI value, CQI adjusted values corresponding to the scheduling attributes of first specified type are obtained, including：

Wherein, the CQI adjusted values according to corresponding to the scheduling attributes of first specified type, described first specify class The scheduling attributes of the scheduling attributes of type and the second specified type, obtain CQI corresponding to the scheduling attributes of second specified type Adjusted value, including：

The beneficial effect of the present embodiment is：The descending scheduling attribute of user is determined, descending scheduling is carried out to user, and receive The uplink information of the user feedback, wherein, the uplink information includes：Channel quality indicator (CQI) and positive acknowledgment ACK or no Surely NACK is confirmed；The ACK received or NACK is counted to obtain the Packet Error Ratio of the scheduling attributes of the first specified type； According to the history CQI value of the scheduling attributes of the Packet Error Ratio, the CQI received and first specified type, institute is obtained State CQI adjusted values corresponding to the scheduling attributes of the first specified type；According to corresponding to the scheduling attributes of first specified type The scheduling attributes of CQI adjusted values, the scheduling attributes of first specified type and the second specified type, obtain described second and specify CQI adjusted values corresponding to the scheduling attributes of type.So as to realize the CQI adjustment for different user MU scheduling attributes, improve more The accuracy that CQI is adjusted under user's technology.

A kind of method for adjusting channel quality instruction is provided in the embodiment of the present invention, base station is determined for user in the present embodiment The justice scheduling attributes of a variety of users, scheduling attributes can define according to space division multiplexing attribute：In multi-user MU（Multi- User MIMO）Scheduling in, user is matched into the number of plies, pairing object etc. is defined as the scheduling attributes of user；Passed in multipoint cooperative In the scheduling of defeated COMP (Coordinate Multi-point), the tune of user will be defined as cell number of user collaboration etc. Spend attribute.For example, matched in linear predictive coding multilayer（At least 1 layer）In, according to always the pairing number of plies and user account on running time-frequency resource With the number of plies, a kind of user MU scheduling attributes are defined：MuSchMode1 [total number of plies] [the user occupancy number of plies]；In nonlinear precoding In, according to the number of plies and the user occupancy number of plies and customer traffic position is always matched on running time-frequency resource, define a kind of user MU scheduling Attribute：MuSchMode2 [total number of plies] [the user occupancy number of plies] [customer traffic position]；MU-JT is sent in multi-user association （Multi-User MIMO Joint Transmission）In, according to total pairing number of plies on cooperation cell attribute and running time-frequency resource With the user occupancy number of plies, a kind of multi-user MU-JT scheduling attributes are defined：MuJtSchMode [cooperation cell number] [total number of plies] [the user occupancy number of plies].Base station is that user safeguards CQI values after covering adjustment more according to every kind of scheduling attributes of user simultaneously.In LTE- , it is specified that what TDD ACK or NACK bundling fed back when TDD uses TDD ACK or NACK bundling feeding back ACKs or NACK Descending sub frame only allows a kind of scheduling attributes of user be present in binding set；And base station is directed to the scheduling category of every kind of user respectively Property carry out Packet Error Ratio statistics and CQI adjustment.

Referring to Fig. 3, method flow includes：

301st, the descending scheduling attribute of user is determined, descending scheduling is carried out to user.

In this step, when the downstream packet transmission confirms descending son in the set of instruction bundled feedback and the binding When frame number is more than 1, then combined dispatching is carried out in the descending sub frame set of binding, by each descending scheduling in the set of binding Subframe is arranged to the scheduling attributes of specified type, including：LTE-TDD MU scheduling in, each descending scheduling moment base station be User determines the scheduling attributes of specified type, such as：MuSchMode1[2][1]（That is linear predictive coding MU, and total number of plies is 2, Wherein 1 layer of the user occupancy）；If descending sub frame number is more than 1 in the set of binding, enter in the descending sub frame set of binding Row combined dispatching, and the scheduling attributes for binding all descending sub frames in set are arranged to the scheduling attributes of specified type MuSchMode1[2][1].Belong to so that it is guaranteed that downstream packet transmission confirms that the feedback of instruction is dispatched just for a kind of user MU Property.Wherein, downstream packet transmission confirms that instruction includes：Positive acknowledgment ACK or NACK NACK, the NACK are for indicating All transmission is not correct for descending sub frame in the set of the binding, and the ACK is used to indicate in the set of the binding Descending sub frame transmits correctly,

In the present embodiment, base station can be that user determines a kind of scheduling category according to down channel quality and channel relevancy etc. Property, its detailed process similarly to the prior art, repeats no more to this present embodiment.

302nd, the uplink information of user feedback is received.

In this step, user measures to down channel and downlink data packet is carried out to detect backward base station feedback letter Breath, wherein, feedback information includes but is not limited to：Down channel quality indicates whether CQI and downlink data packet transmit correct instruction ACK or NACK etc..The feedback information only includes the uplink information of the scheduling attributes of specified type.

303rd, the ACK or NACK are counted according to the scheduling attributes of specified type, obtains the scheduling of specified type Packet Error Ratio corresponding to attribute.

In this step, because base station is limited the scheduling attributes of user in advance, in the information of user feedback only Include the information of the specified type scheduling attributes, so entering according to every kind of scheduling attributes of the user to the ACK or NACK Row statistics, obtains Packet Error Ratio corresponding to every kind of scheduling attributes, including：The ACK or NACK are counted, specified Packet Error Ratio corresponding to the scheduling attributes of type.

304th, the CQI received is adjusted according to the Packet Error Ratio, obtains working as corresponding to every kind of scheduling attributes Preceding CQI value.

In this step, after counting to obtain Packet Error Ratio after a while, by Packet Error Ratio compared with threshold value, with docking The CQI received is adjusted, and obtains current CQI value corresponding to the scheduling attributes of specified type.Detailed process therein with it is existing Technology is similar, to being repeated no more in this embodiment of the present invention.

305th, to the history of current CQI value and the scheduling attributes of specified type corresponding to the scheduling attributes of the specified type CQI value is filtered processing, obtains CQI adjusted value.

In the present embodiment, the history CQI value of every kind of scheduling attributes is maintained in base station side, it is right after current CQI value is obtained The history CQI value of current CQI value corresponding to the scheduling attributes of specified type and the scheduling attributes of specified type is filtered to obtain CQI adjusted value, while base station side preserves the adjusted value, and CQI history CQI value is adjusted using the adjusted value as next time.

In the present embodiment, after CQI adjusted value is obtained, CQI adjusted value is mapped as MCS by base station side, is carried out descending The transmission of packet.

Wherein, step 304-305 is specifically to perform according to the Packet Error Ratio, the CQI received and every kind of tune The history CQI value of attribute is spent, obtains the process of CQI adjusted values corresponding to every kind of scheduling attributes.

To enable those skilled in the art that the present invention is more clearly understood, now it is exemplified below：

As shown in table 1, there is provided ACK or NACK feedbacks timetable under TDD different ratios：

Table 1

Illustrated by taking TDD proportionings 1 in table 1 as an example：The descending son of ACK or NACK feedback representations on sub-frame of uplink TTI7 Whether frame TTI0 and TTI1 packet correctly transmit.TTI0 and TTI1 are now defined as descending son in TTI7 binding set Frame, and bind descending sub frame number in set and be more than 1.In using TDD ACK or NACK bundling feedbacks and binding set When descending sub frame number is more than 1, combined dispatching is carried out on TTI0 and TTI1, a kind of scheduling attributes is determined for user, limits TTI0 is consistent with the scheduling attributes on TTI1, so that it is guaranteed that TDD ACK or NACK bundling feedback are just for a kind of user MU scheduling attributes.

The beneficial effect of the present embodiment is：Base station is the history CQI adjusted values that user safeguards different scheduling attributes, and is being entered During row descending scheduling, each descending scheduling subframe in TDD ACK or NACK bundling binding set is arranged to specified type Scheduling attributes, make the scheduling attributes of ACK that user reports in corresponding sub-frame of uplink or NACK just for the specified type.So Base station can be that the scheduling attributes of specified type count Packet Error Ratio, and according to the Packet Error Ratio, the CQI received and described The history CQI value of every kind of scheduling attributes, obtain CQI adjusted values corresponding to every kind of scheduling attributes.Difference is directed to so as to realize The CQI adjustment of user's scheduling attributes, improves the accuracy that CQI is adjusted under multi-user technology.

The method that another adjustment channel quality instruction is provided in another embodiment of the present invention, to TDD ACK in MU Or the NACK of NACK bundling feedbacks is handled differently.Specifically, base station safeguards one for each MU scheduling attributes of user CQI value after the adjustment of history, it is more than when being fed back using TDD ACK or NACKbundling and binding descending sub frame number in set When 1, by being handled differently to the NACK of feedback, to realize the CQI adjustment for different user MU scheduling attributes.Referring to Fig. 4, bag Include：

401st, the descending scheduling attribute of user is determined, descending scheduling is carried out to user, receives the information of user feedback.

In the present embodiment, when carrying out descending scheduling to user, when the downstream packet transmission confirms that instruction binding is anti- When descending sub frame number is more than 1 in feedback and the set of the binding, then combined dispatching is carried out in the descending sub frame set of binding, And the scheduling attributes of each descending scheduling subframe in the set of the binding are set, wherein, do not limit descending in binding set The scheduling attributes of subframe, the user's scheduling attributes for the descending sub frame each bound can be different.User surveys to down channel Measure and downlink data packet is carried out to detect backward base station side feedback information, wherein, feedback information includes but is not limited to：Descending CQI Confirm that instruction ACK or NACK etc., the NACK are used to indicate the descending son in the set of the binding with downstream packet transmission All transmission is not correct for frame, and the ACK is used to indicate that the descending sub frame in the set of the binding transmits correctly.

In the present embodiment, the ACK or NACK of user feedback include ACK or NACK the progress logic of different scheduling attributes End value after with operation.

402nd, carry out different countings to NACK corresponding to every kind of scheduling attributes according to preset rules to handle, to obtain Packet Error Ratio corresponding to every kind of scheduling attributes.

In the present embodiment, descending sub frame belongs to including multiple scheduling in TDD ACK or NACK bundling feedback binding set Property, so being counted according to every kind of scheduling attributes of the user to the NACK, it is corresponding to obtain every kind of scheduling attributes Packet Error Ratio, including：Different countings is carried out according to preset rules to NACK corresponding to every kind of scheduling attributes to handle, with To Packet Error Ratio corresponding to every kind of scheduling attributes.In the present embodiment, the tired of NACK corresponding to different scheduling attributes is pre-set Add rule, NACK feedbacks are handled differently with realizing, such as：Under TDD ACK or NACK bundling feedback binding set Two kinds of Mu scheduling attributes MuSchMode1 [1] [1] of same user be present in row subframe（Total pairing number of plies is 1, the user occupancy 1 Layer）With MuSchMode1 [2] [1]（Total pairing number of plies is 2,1 layer of the user occupancy）.User feedback NACK, then base station receive this After NACK, the cumulative a (a of NACK counters during scheduling attributes MuSchMode1 [1] [1] Packet Error Ratio is calculated<1), will dispatch The cumulative b (b=1) of NACK counters in attribute MuSchMode1 [2] [1] Packet Error Ratio calculating, makes scheduling attributes MuSchMode1 [1] the CQI adjustment of [1] is slower than scheduling attributes MuSchMode1 [2] [1] CQI adjustment.

403rd, the CQI received is adjusted according to the Packet Error Ratio, obtains working as corresponding to every kind of scheduling attributes Preceding CQI value.

404th, the history CQI value of current CQI value and every kind of scheduling attributes corresponding to every kind of scheduling attributes is filtered Ripple processing, obtains CQI adjusted value.

In the present embodiment, the history CQI value of every kind of scheduling attributes is maintained in base station side, it is right after current CQI value is obtained The history CQI value of current CQI value corresponding to every kind of scheduling attributes and every kind of scheduling attributes is filtered to obtain CQI adjusted value, Base station side preserves the adjusted value simultaneously, and CQI history CQI value is adjusted using the adjusted value as next time.

Wherein, step 403-404 is specifically to perform according to the Packet Error Ratio, the CQI received and every kind of tune The history CQI value of attribute is spent, obtains the process of CQI adjusted values corresponding to every kind of scheduling attributes.

The beneficial effect of the present embodiment is：Base station is the history CQI adjusted values that user safeguards different scheduling attributes, and is being entered During row descending scheduling, the scheduling of each descending scheduling subframe in TDD ACK or NACK bundling feedback binding set is not limited Attribute；After the feedback of user is received, different NACK countings are carried out to different scheduling attributes and handled, are obtained described every kind of Packet Error Ratio corresponding to scheduling attributes；According to the history of the Packet Error Ratio, the CQI received and every kind of scheduling attributes CQI value, CQI adjusted values corresponding to every kind of scheduling attributes are obtained, so as to realize the CQI for different user MU scheduling attributes Adjustment, improve the accuracy that CQI is adjusted under multi-user technology.

The method that another adjustment channel quality instruction is provided in another embodiment of the present invention, on the one hand, base station is CQI value after the adjustment of each MU scheduling attributes one history of maintenance of user；On the other hand, when using TDD ACK or NACK When bundling feeds back and descending sub frame number is more than 1 in binding set, increase the 3rd configured information, the 3rd configured information For indicating the inwhole errors of transmission of descending sub frame in TDD ACK or NACK bundling feedback binding set, the NACK For indicating the equal error of transmission of descending sub frame number.

Referring to Fig. 5, specific method flow includes：

501st, the descending scheduling attribute of user is determined, descending scheduling is carried out to user, receives the uplink information of user feedback.

In the present embodiment, when descending in the set of downstream packet transmission confirmation instruction bundled feedback and the binding When number of subframes is more than 1, then combined dispatching is carried out in the descending sub frame set of binding, and set in the set of the binding The scheduling attributes of each descending scheduling subframe, wherein, the scheduling attributes of the unlimited descending sub frame for determining to bind in descending scheduling, each The scheduling attributes of descending sub frame can be different in binding set, and user measures to down channel and downlink data packet is carried out Backward base station side feedback information is detected, wherein, feedback information includes but is not limited to：Channel quality indicator (CQI) and downlink data packet Transmission confirms instruction etc., and wherein downstream packet transmission confirms that instruction includes：ACK or NACK or the 3rd configured information.Wherein, when When being fed back using TDD ACK or NACK bundling and binding that descending sub frame number is more than 1 in set, in user feedback ACK or During NACK, if the packet testing result of all subframes is that transmission is correct in binding set, user is to base station feedback ACK；If the packet testing result of all subframes is error of transmission in binding set, user is to base station feedback NACK； If there is the packet testing result of all subframes in binding set transmits correct and 2 kinds of states of error of transmission, user Xiang Ji The 3rd configured information of feedback of standing.

502nd, judge whether include the 3rd configured information in the uplink information, if it is, performing step 503, otherwise Perform step 504.

In this step, base station receives user using after TDD ACK or NACK bundling feedacks, up to this Information is analyzed, according to including different information carry out different operations.When know user feedback for the 3rd refer to When showing information, step 503 is performed, carrying out different NACK countings for different user MU scheduling attributes is handled, when knowing user Feedback for NACK when, perform step 504, to different user MU scheduling attributes MuSchMode carry out identical NACK countings at Reason.

503rd, carry out different countings to NACK corresponding to the different scheduling attributes according to preset rules to handle, obtain Packet Error Ratio corresponding to every kind of scheduling attributes.

In the present embodiment, the counting rule of NACK corresponding to different scheduling attributes is pre-set, is indicated when receiving the 3rd During information, different countings is carried out to NACK corresponding to different scheduling attributes and handled, such as：ACK or NACK binding internal feedbacks NACK corresponding to have two kinds of Mu scheduling attributes MuSchMode1 [1] [1] of same user in descending scheduling subframe（Total pairing layer Number is 1,1 layer of the user occupancy）With MuSchMode1 [2] [1]（Total pairing number of plies is 2,1 layer of the user occupancy）, then base station receive To after the 3rd configured information for ACK or NACK bundled feedbacks, scheduling attributes MuSchMode1 [1] [1] mistake bag will be directed to The cumulative a of NACK counters in rate calculating, wherein a can be set<1, scheduling attributes MuSchMode1 [2] [1] mistake will be directed to The cumulative b of NACK counters in the calculating of bag rate, can set b=1, scheduling attributes MuSchMode [1] [1] CQI is adjusted slowly Adjusted in scheduling attributes MuSchMode [2] [1] CQI.A and b value are not specifically limited in the present embodiment.

504th, identical counting processing is carried out to NACK corresponding to the different scheduling attributes of the user, obtained described every kind of Packet Error Ratio corresponding to scheduling attributes.

In the present embodiment, set different scheduling attributes identical to the cumulative rule for receiving NACK, upon receiving the nacks, All scheduling attributes are subjected to identical NACK accumulation process, such as cumulative 1.

505th, the CQI received is adjusted according to the Packet Error Ratio, obtains working as corresponding to every kind of scheduling attributes Preceding CQI value.

In this step, after counting to obtain Packet Error Ratio after a while, by Packet Error Ratio compared with threshold value, with docking The CQI received is adjusted, and obtains current CQI value corresponding to every kind of scheduling attributes.Detailed process therein and prior art class Seemingly, to being repeated no more in this embodiment of the present invention.

506th, the history CQI value of current CQI value and every kind of scheduling attributes according to corresponding to every kind of scheduling attributes obtains CQI adjusted value.

Wherein, step 505-506 is specifically to perform according to the Packet Error Ratio, the CQI received and every kind of tune The history CQI value of attribute is spent, obtains the process of CQI adjusted values corresponding to every kind of scheduling attributes.

The beneficial effect of the present embodiment includes：Base station is the history CQI adjusted values that user safeguards different scheduling attributes, when adopting With TDD ACK or NACK bundling feed back and bind set in descending sub frame number be more than 1 when, user feedback ACK or Increase by the 3rd configured information on NACK attributes；When carrying out descending scheduling, the tune of each descending scheduling subframe of binding is not limited Spend attribute；After the feedback of user is received, different scheduling attributes are carried out according to the NACK received or the 3rd configured information Different NACK countings processing, obtains Packet Error Ratio corresponding to every kind of scheduling attributes；According to the Packet Error Ratio, described receive CQI and every kind of scheduling attributes history CQI value, CQI adjusted values corresponding to every kind of scheduling attributes are obtained, so as to real Now adjusted for the CQI of different user MU scheduling attributes, improve the accuracy that CQI is adjusted under multi-user technology.

The method that another adjustment channel quality indicates is provided in another embodiment of the present invention, is only tieed up in the present embodiment The history CQI value of the first specified type scheduling attributes is protected, the CQI adjusted values of remaining scheduling attributes of user pass through to described The CQI adjusted values of one specified type scheduling attributes carry out processing acquisition.

Referring to Fig. 6, method flow includes：

601st, the descending scheduling attribute of user is determined, descending scheduling is carried out to the user, and receive the upper of user feedback Row information, the ACK received or NACK is counted, obtain wrapping by mistake corresponding to the scheduling attributes of the first specified type Rate.

In the present embodiment, when carrying out descending scheduling to user, when the downstream packet transmission confirms that instruction binding is anti- When descending sub frame number is more than 1 in feedback and the set of the binding, then combined dispatching is carried out in the descending sub frame set of binding, And the scheduling attributes of each descending scheduling subframe in the set of the binding are set, wherein, it is unlimited to determine TDD in descending scheduling The scheduling attributes of descending sub frame in ACK or NACK bundling binding set, the scheduling attributes for the descending sub frame each bound can With difference.User measures to down channel and downlink data packet is carried out to detect backward base station side feedback information, wherein, instead Feedforward information includes but is not limited to：Channel quality indicator (CQI) and downstream packet transmission confirm instruction ACK or NACK etc., described All transmission is not correct for the descending sub frame that NACK is used to indicate in the set of the binding, and the ACK is used to indicate described tie up Descending sub frame in fixed set transmits correctly.

The first specified type in the present embodiment includes specifying a kind of scheduling attributes for user, and base station is to receive user anti- After the NACK of feedback, NACK is counted according to user's the first specified type scheduling attributes, obtains the specified type of user first tune Spend Packet Error Ratio corresponding to attribute.Wherein, the scheduling attributes of the first specified type can be that single user scheduling attributes can also be more User's scheduling attributes are not specifically limited to this present embodiment.

602nd, the CQI received is adjusted according to the Packet Error Ratio, obtains the tune of first specified type Spend the current CQI value of attribute.

In this step, after counting to obtain Packet Error Ratio after a while, by Packet Error Ratio compared with threshold value, with docking The CQI received is adjusted, and obtains current CQI value corresponding to the scheduling attributes of the first specified type.Detailed process therein with Prior art is similar, to being repeated no more in this embodiment of the present invention.

603rd, according to the scheduling of the current CQI value of the scheduling attributes of first specified type and first specified type The history CQI value of attribute is adjusted to the CQI received, is obtained corresponding to the scheduling attributes of first specified type CQI adjusted values.

In the present embodiment, user's the first specified type history CQI value is maintained in base station side, after current CQI value is obtained, The history CQI value of current CQI value corresponding to the scheduling attributes of first specified type and the scheduling attributes of the first specified type is entered Row filtering obtains the adjusted value of CQI corresponding to the scheduling attributes of the first specified type, while base station side preserves the adjusted value, by this History CQI value of the adjusted value as adjustment next time CQI.

Wherein, step 502-503 is that specific perform refers to according to the Packet Error Ratio, the CQI received and described first Determine the history CQI value of the scheduling attributes of type, obtain the mistake of CQI adjusted values corresponding to the scheduling attributes of first specified type Journey.

604th, according to corresponding to the scheduling attributes of first specified type CQI adjusted values, the first specified type scheduling The scheduling attributes of attribute and the second specified type, obtain CQI adjusted values corresponding to the scheduling attributes of second specified type.

In the present embodiment, according to CQI adjusted values, the first specified type corresponding to the scheduling attributes of first specified type Scheduling attributes and the second specified type scheduling attributes, obtain CQI corresponding to the scheduling attributes of second specified type and adjust Whole value, including：According to the scheduling attributes of first specified type and the scheduling attributes of the second specified type, described is calculated CQI fixed value corresponding to the scheduling attributes of two specified types；According to CQI corresponding to the scheduling attributes of first specified type Adjusted value and the fixation are worth to CQI adjusted values corresponding to the scheduling attributes of second specified type.For example, described A fixed value is subtracted on the basis of CQI adjusted values corresponding to the scheduling attributes of one specified type, obtains the tune of the second specified type Spend the CQI adjusted values of attribute.The fixed value can pass through the scheduling attributes of the second specified type and the tune of the first specified type Spend the conversions such as signal power losses amount, the correlation of attribute to obtain, this present embodiment is not specifically limited.

In the present embodiment, after the CQI adjusted values of the scheduling attributes of the second specified type are obtained, base station is by CQI adjustment Value is mapped as MCS, carries out the transmission of downlink data packet.

The beneficial effect of the present embodiment includes：Base station side only safeguards history corresponding to the scheduling attributes of the first specified type CQI value, after the feedback of user is received, the scheduling attributes that the first specified type is counted according to the ACK of feedback or NACK are corresponding Packet Error Ratio, according to the history CQI of the scheduling attributes of the Packet Error Ratio, the CQI received and first specified type Value, obtains CQI adjusted values corresponding to the scheduling attributes of first specified type；According to the scheduling category of first specified type Property corresponding to CQI adjusted values and the scheduling attributes of the second specified type, the scheduling attributes for obtaining second specified type are corresponding CQI adjusted values.So as to realize the CQI adjustment for different user MU scheduling attributes, improve what CQI under multi-user technology was adjusted Accuracy.

Referring to Fig. 7, a kind of base station is provided in another embodiment of the present invention, including：Scheduler module 701, Packet Error Ratio obtains Modulus block 702 and adjusted value acquisition module 703.

Scheduler module 701, for determining the descending scheduling attribute of user, descending scheduling is carried out to the user, and receive The uplink information of the user feedback, wherein, the uplink information includes：Channel quality indicator (CQI) and downstream packet transmission Confirm instruction；

Packet Error Ratio acquisition module 702, for every kind of scheduling attributes according to the user and the downstream packet transmission Confirm instruction, obtain Packet Error Ratio corresponding to every kind of scheduling attributes；

Adjusted value acquisition module 703, for being belonged to according to the Packet Error Ratio, the CQI received and every kind of scheduling The history CQI value of property, obtains CQI adjusted values corresponding to every kind of scheduling attributes.

Alternatively, referring to Fig. 8, the scheduler module 701, including：

The first setting unit 701a, for confirming instruction bundled feedback and the binding when the downstream packet transmission When descending sub frame number is more than 1 in set, each descending scheduling subframe in the set of the binding is disposed as to specify class The scheduling attributes of type, make to only include up letter corresponding to the scheduling attributes of the specified type in the information of the reporting of user Breath.

Correspondingly, the Packet Error Ratio acquisition module 702 is specifically used for：

Alternatively, referring to Fig. 8, the scheduler module 701, including：

The second setting unit 701b, for confirming instruction bundled feedback and the binding when the downstream packet transmission When descending sub frame number is more than 1 in set, the scheduling attributes of each descending scheduling subframe in the set of the binding are set, its In, the scheduling attributes of each descending scheduling subframe are different.

Correspondingly, the Packet Error Ratio acquisition module 702, is specifically used for：

Referring to Fig. 8, it is preferable that the adjusted value acquisition module 703, including：

First acquisition unit 703a, for being adjusted according to the Packet Error Ratio to the CQI received, obtain every kind of Current CQI value corresponding to scheduling attributes；

Second acquisition unit 703b, for current CQI value and every kind of scheduling attributes corresponding to every kind of scheduling attributes History CQI value be filtered processing, obtain the adjusted value of the CQI.

Referring to Fig. 9, another base station is provided in another embodiment of the present invention, including：Scheduler module 801, Packet Error Ratio Acquisition module 802, the first acquisition module 803 and the second acquisition module 804.

Scheduler module 801, for determining the descending scheduling attribute of user, descending scheduling is carried out to the user, and receive The uplink information of user feedback, wherein, the uplink information includes：Channel quality indicator (CQI) and positive acknowledgment ACK or negative are true Recognize NACK；

Packet Error Ratio acquisition module 802, for being counted to obtain the first specified type to the ACK received or NACK Scheduling attributes Packet Error Ratio；

First acquisition module 803, for according to the Packet Error Ratio, the CQI received and first specified type Scheduling attributes history CQI value, obtain CQI adjusted values corresponding to the scheduling attributes of first specified type；

Second acquisition module 804, for CQI adjusted values, institute corresponding to the scheduling attributes according to first specified type The scheduling attributes of the first specified type and the scheduling attributes of the second specified type are stated, obtain the scheduling category of second specified type CQI adjusted values corresponding to property.

Referring to Figure 10, first acquisition module 803, including：

First acquisition unit 803a, for being adjusted according to the Packet Error Ratio to the CQI received, obtain described The current CQI value of the scheduling attributes of first specified type；

Second acquisition unit 803b, for the current CQI value of the scheduling attributes to first specified type and described The history CQI value of the scheduling attributes of one specified type is filtered processing, obtains the scheduling attributes pair of first specified type The CQI adjusted values answered.

Referring to Figure 10, second acquisition module 804, including：

3rd acquiring unit 804a, for the scheduling attributes and the tune of the second specified type according to first specified type Attribute is spent, calculates the fixed value of CQI corresponding to the scheduling attributes of second specified type；

4th acquiring unit 804b, for CQI adjusted values corresponding to the scheduling attributes according to first specified type and The fixation is worth to CQI adjusted values corresponding to the scheduling attributes of second specified type.

It should be noted that：The base station provided in above-described embodiment, only illustrated with the division of above-mentioned each functional module Illustrate, in practical application, can be completed as needed and by above-mentioned function distribution by different functional modules, i.e., by base station Portion's structure is divided into different functional modules, to complete all or part of function described above.

In addition, the base station provided in above-described embodiment and the embodiment of the method for channel quality adjustment belong to same design, its Specific implementation process refers to embodiment of the method, repeats no more here.

Referring to Figure 11, a kind of base station is additionally provided in another embodiment of the present invention, the base station includes the He of processor 901 Memory 902；

The memory 902, for storing the history CQI value of every kind of scheduling attributes；

The processor 901, for determining the descending scheduling attribute of user, descending scheduling is carried out to the user, and connect The uplink information of the user feedback is received, wherein, the uplink information includes：Channel quality indicator (CQI) and downlink data packet pass It is defeated to confirm instruction；Confirm instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtain described every Packet Error Ratio corresponding to kind scheduling attributes；According to the history of the Packet Error Ratio, the CQI received and every kind of scheduling attributes CQI value, obtain CQI adjusted values corresponding to every kind of scheduling attributes.

Referring to Figure 12, another base station is provided in another embodiment of the present invention, including：Memory 1001 and processor 1002。

The memory 1001, for storing the history CQI value of every kind of scheduling attributes；

The processor 1002, for determining the descending scheduling attribute of user, descending scheduling is carried out to the user, and connect The uplink information of the user feedback is received, wherein, the uplink information includes：Channel quality indicator (CQI) and positive acknowledgment ACK or NACK NACK；The ACK received or NACK is counted to obtain the mistake bag of the scheduling attributes of the first specified type Rate；According to the history CQI value of the scheduling attributes of the Packet Error Ratio, the CQI received and first specified type, obtain CQI adjusted values corresponding to the scheduling attributes of first specified type；It is corresponding according to the scheduling attributes of first specified type CQI adjusted values, the scheduling attributes of first specified type and the scheduling attributes of the second specified type, obtain it is described second refer to Determine CQI adjusted values corresponding to the scheduling attributes of type.

The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.

One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..

The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims

A kind of 1. method for adjusting channel quality instruction, it is characterised in that methods described includes：

Base station determines the descending scheduling attribute of user, carries out descending scheduling to the user, and receive the upper of the user feedback Row information, the descending scheduling attribute are used for the transmission mode for indicating the user, and the uplink information refers to including channel quality Show that CQI and downstream packet transmission confirm instruction；

The base station confirms instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtains described every Packet Error Ratio corresponding to kind scheduling attributes；

The base station obtains according to the history CQI value of the Packet Error Ratio, the CQI received and every kind of scheduling attributes CQI adjusted values corresponding to every kind of scheduling attributes.
2. according to the method for claim 1, it is characterised in that the base station determines the descending scheduling attribute of user, including：

When the downstream packet transmission confirms that descending sub frame number is more than 1 in the set of instruction bundled feedback and the binding When, each descending scheduling subframe in the set of the binding is disposed as the scheduling attributes of specified type by base station, makes user Uplink information corresponding to the scheduling attributes of the specified type is only included in the information reported.
3. according to the method for claim 2, it is characterised in that the downstream packet transmission confirms that instruction includes：Certainly Confirm ACK or NACK NACK, the NACK for indicating that the descending sub frame in the set of the binding does not transmit all Correctly, the ACK is used to indicate that the descending sub frame in the set of the binding transmits correctly,

The base station confirms instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtains described every Packet Error Ratio corresponding to kind scheduling attributes, including：

The base station counts to the ACK or NACK, obtains Packet Error Ratio corresponding to the scheduling attributes of the specified type.
4. according to the method for claim 1, it is characterised in that the base station determines the descending scheduling attribute of user, including：

When the downstream packet transmission confirms that descending sub frame number is more than 1 in the set of instruction bundled feedback and the binding When, base station sets the scheduling attributes of each descending scheduling subframe in the set of the binding, wherein, each descending scheduling The scheduling attributes of subframe are different.
5. according to the method for claim 4, it is characterised in that the downstream packet transmission confirms that instruction includes：ACK or All transmission is not correct for the descending sub frame that NACK, the NACK are used to indicate in the set of the binding, and the ACK is used to refer to Show that the descending sub frame in the set of the binding transmits correctly,

The base station confirms instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtains described every Packet Error Ratio corresponding to kind scheduling attributes, including：

The base station carries out different countings to NACK corresponding to every kind of scheduling attributes according to preset rules and handled, to obtain Packet Error Ratio corresponding to every kind of scheduling attributes.
6. according to the method for claim 4, it is characterised in that the downstream packet transmission confirms that instruction includes：ACK or NACK or the 3rd configured information, the 3rd configured information are used to indicate that the descending sub frame in the set of the binding not to be whole Error of transmission, the NACK are used to indicate the equal error of transmission of descending sub frame in the set of the binding, and the ACK is used to indicate Descending sub frame in the set of the binding transmits correctly,

The base station confirms instruction according to every kind of scheduling attributes of the user and the downstream packet transmission, obtains described every Packet Error Ratio corresponding to kind scheduling attributes, including：

When the uplink information includes the NACK, the base station is to NACK corresponding to the different scheduling attributes of the user Identical counting processing is carried out, obtains Packet Error Ratio corresponding to every kind of scheduling attributes；

When the uplink information includes three configured information, the base station is according to preset rules to the different tune Spend NACK corresponding to attribute and carry out different counting processing, obtain Packet Error Ratio corresponding to every kind of scheduling attributes.
7. according to the method described in claim any one of 1-6, it is characterised in that the base station is according to the Packet Error Ratio, described The CQI and the history CQI value of every kind of scheduling attributes received, obtains CQI adjusted values corresponding to every kind of scheduling attributes, Including：

The base station is adjusted according to the Packet Error Ratio to the CQI received, obtains working as corresponding to every kind of scheduling attributes Preceding CQI value；

The base station is filtered by the history CQI value of current CQI value and every kind of scheduling attributes corresponding to every kind of scheduling attributes Ripple processing, obtains the adjusted value of the CQI.
A kind of 8. method for adjusting channel quality instruction, it is characterised in that methods described includes：

The descending scheduling attribute of user is determined, descending scheduling is carried out to the user, and receive the up letter of the user feedback Breath, wherein, the uplink information includes：Channel quality indicator (CQI) and positive acknowledgment ACK or NACK NACK；

The ACK received or NACK is counted to obtain the Packet Error Ratio of the scheduling attributes of the first specified type；

According to the history CQI value of the scheduling attributes of the Packet Error Ratio, the CQI received and first specified type, obtain To CQI adjusted values corresponding to the scheduling attributes of first specified type；

According to CQI adjusted values corresponding to the scheduling attributes of first specified type, the scheduling attributes of first specified type With the scheduling attributes of the second specified type, CQI adjusted values corresponding to the scheduling attributes of second specified type are obtained.
9. according to the method for claim 8, it is characterised in that it is described according to the Packet Error Ratio, the CQI received and The history CQI value of the scheduling attributes of first specified type, obtain CQI corresponding to the scheduling attributes of first specified type Adjusted value, including：

The CQI received is adjusted according to the Packet Error Ratio, obtains the scheduling attributes of first specified type Current CQI value；

The history of the scheduling attributes of current CQI value and first specified type to the scheduling attributes of first specified type CQI value is filtered processing, obtains CQI adjusted values corresponding to the scheduling attributes of first specified type.
10. method according to claim 8 or claim 9, it is characterised in that the scheduling category according to first specified type The scheduling attributes of CQI adjusted values, the scheduling attributes of first specified type and the second specified type corresponding to property, described in acquisition CQI adjusted values corresponding to the scheduling attributes of second specified type, including：

According to the scheduling attributes of first specified type and the scheduling attributes of the second specified type, calculate described second and specify CQI fixed value corresponding to the scheduling attributes of type；

Described second is worth to according to CQI adjusted values and the fixation corresponding to the scheduling attributes of first specified type to specify CQI adjusted values corresponding to the scheduling attributes of type.
11. a kind of base station, it is characterised in that the base station includes：

Scheduler module, for determining the descending scheduling attribute of user, descending scheduling is carried out to the user, and receive the user The uplink information of feedback, the descending scheduling attribute are used for the transmission mode for indicating the user, and the uplink information includes letter Road quality indicator (CQI) and downstream packet transmission confirm instruction；

Packet Error Ratio acquisition module, confirm to refer to for every kind of scheduling attributes according to the user and the downstream packet transmission Show, obtain Packet Error Ratio corresponding to every kind of scheduling attributes；

Adjusted value acquisition module, for the history according to the Packet Error Ratio, the CQI received and every kind of scheduling attributes CQI value, obtain CQI adjusted values corresponding to every kind of scheduling attributes.
12. base station according to claim 11, it is characterised in that the scheduler module, including：

First setting unit, under confirming to indicate in the set of bundled feedback and the binding when the downstream packet transmission When row number of subframes is more than 1, each descending scheduling subframe in the set of the binding is disposed as to the scheduling of specified type Attribute, make to only include uplink information corresponding to the scheduling attributes of the specified type in the information of reporting of user.
13. base station according to claim 12, it is characterised in that the downstream packet transmission confirms that instruction includes：Agree Surely confirm ACK or NACK NACK, the NACK for indicating that the descending sub frame in the set of the binding does not pass all Defeated correct, the ACK is used to indicate that the descending sub frame in the set of the binding transmits correctly,

The Packet Error Ratio acquisition module is specifically used for：

The ACK or NACK are counted, obtain Packet Error Ratio corresponding to the scheduling attributes of the specified type.
14. base station according to claim 11, it is characterised in that the scheduler module, including：

Second setting unit, under confirming to indicate in the set of bundled feedback and the binding when the downstream packet transmission When row number of subframes is more than 1, the scheduling attributes of each descending scheduling subframe in the set of the binding are set, wherein, it is described The scheduling attributes of each descending scheduling subframe are different.
15. base station according to claim 14, it is characterised in that the downstream packet transmission confirms that instruction includes：ACK Or the descending sub frame that NACK, the NACK are used to indicate in the set of the binding all transmits correctly, the ACK is used for Indicate that the descending sub frame in the set of the binding transmits correctly,

The Packet Error Ratio acquisition module, is specifically used for：

Different countings is carried out according to preset rules to NACK corresponding to every kind of scheduling attributes to handle, it is described every kind of to obtain Packet Error Ratio corresponding to scheduling attributes.
16. base station according to claim 14, it is characterised in that the downstream packet transmission confirms that instruction includes：ACK Or NACK or the 3rd configured information, the 3rd configured information are used to indicate that the descending sub frame in the set of the binding is not complete Portion's error of transmission, the NACK are used to indicate the equal error of transmission of descending sub frame in the set of the binding, and the ACK is used to refer to Show that the descending sub frame in the set of the binding transmits correctly,

The Packet Error Ratio acquisition module is specifically used for：

When the uplink information includes the NACK, NACK corresponding to the different scheduling attributes of the user is carried out identical Counting processing, obtain Packet Error Ratio corresponding to every kind of scheduling attributes；

When the uplink information includes three configured information, according to preset rules to the different scheduling attributes pair The NACK answered carries out different counting processing, obtains Packet Error Ratio corresponding to every kind of scheduling attributes.
17. according to the base station described in claim any one of 11-16, it is characterised in that the adjusted value acquisition module, including：

First acquisition unit, for being adjusted according to the Packet Error Ratio to the CQI received, obtain every kind of scheduling attributes Corresponding current CQI value；

Second acquisition unit, for the history CQI of current CQI value and every kind of scheduling attributes corresponding to every kind of scheduling attributes Value is filtered processing, obtains the adjusted value of the CQI.
18. a kind of base station, it is characterised in that the base station includes：

Scheduler module, for determining the descending scheduling attribute of user, descending scheduling is carried out to the user, and receive user feedback Uplink information, wherein, the uplink information includes：Channel quality indicator (CQI) and positive acknowledgment ACK or NACK NACK；

Packet Error Ratio acquisition module, for being counted to obtain the scheduling of the first specified type to the ACK received or NACK The Packet Error Ratio of attribute；

First acquisition module, for the scheduling category according to the Packet Error Ratio, the CQI received and first specified type The history CQI value of property, obtains CQI adjusted values corresponding to the scheduling attributes of first specified type；

Second acquisition module, refer to for CQI adjusted values, described first corresponding to the scheduling attributes according to first specified type The scheduling attributes of type and the scheduling attributes of the second specified type are determined, corresponding to the scheduling attributes for obtaining second specified type CQI adjusted values.
19. base station according to claim 18, it is characterised in that first acquisition module, including：

First acquisition unit, for being adjusted according to the Packet Error Ratio to the CQI received, obtain described first and specify The current CQI value of the scheduling attributes of type；

Second acquisition unit, class is specified for the current CQI value of the scheduling attributes to first specified type and described first The history CQI value of the scheduling attributes of type is filtered processing, obtains CQI corresponding to the scheduling attributes of first specified type and adjusts Whole value.
20. the base station according to claim 18 or 19, it is characterised in that second acquisition module, including：

3rd acquiring unit, for the scheduling attributes and the scheduling attributes of the second specified type according to first specified type, Calculate the fixed value of CQI corresponding to the scheduling attributes of second specified type；

4th acquiring unit, for CQI adjusted values and the fixation corresponding to the scheduling attributes according to first specified type It is worth to CQI adjusted values corresponding to the scheduling attributes of second specified type.