CN101677261B - Management method and apparatus of period parameters of channel quality indication (CQI) feedback - Google Patents
Management method and apparatus of period parameters of channel quality indication (CQI) feedback Download PDFInfo
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Abstract
The embodiment of the invention provides a management method and apparatus of period parameters of channel quality indication (CQI) feedback. The method mainly includes: setting up period parameter of CQI feedback of subscriber terminals, wherein, the total bit number occupied by feedback period N[p]1 of broadband CQI information in broadband CQI feedback mode and time offset N[OFFSET]1 of CQI information feedback time in a period is provided to be identical to the total bit number occupied by feedback period N[p]2, N[OFFSET]2 of adjacent twice CQI information in the frequency selected CQI information; transmitting the period parameters of CQI feedback to the subscriber terminal. By utilization of the invention, appearance of independent K field is avoided, the bit number occupied by period parameters can be reduced, and the resources required by the system to transmit period parameters are saved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of management method and device of cycle parameter of channel quality indication feedback.
Background technology
At the uplink direction of wireless communication system, subscriber equipment need to be to base station feedback channel quality indication (CQI, Channel Quality Indication) information.The downlink channel quality situation of subscriber equipment institute perception can be known in the base station by the CQI information of subscriber equipment feedback, carry out frequency selective scheduling to help the base station, carries out the self adaptation adjustment of down link.
At third generation partner program (3GPP, 3rd Generation Partnership Project) Long Term Evolution (LTE, Long Term Evolution) in the system, the down link direction has adopted the multiplexing (OFDMA of OFDM, Orthogonal Frequency Division Multiple Access) technology and multiple-input and multiple-output (MIMO, Multiple-Input Multiple-Out-put) technology are to improve descending peak data rate.
For supporting the MIMO technology, except CQI information, subscriber equipment also needs to base station feedback channel sequence indication (RI, Rank Indication) information and pre-coding matrix indication (PMI, Pre-codingMatrix Indicator) information.The RI of subscriber equipment, CQI and PMI information exchange are crossed physical layer ascending control channel (PUCCH, Physical U plink Control Channel) or physical layer Uplink Shared Channel (PUSCH, Physical Uplink Shared Channel) to base station feedback, this process is collectively referred to as the CQI feedback usually.RI, CQI and PMI information are periodic feedback at PUCCH, then trigger feedback by the order of physical layer uplink scheduling authorization on PUSCH.
Periodicity RI, CQI on the 3GPP LTE PUCCH of system and PMI information feedback can be divided into two types: the main feature of first kind feedback is to only have the feedback of broadband CQI information, is commonly called broadband CQI feedback; The main feature of Equations of The Second Kind feedback is the feedback of existing broadband CQI information, the feedback of subband CQI information is also arranged, and take different subframes, is commonly called to select the CQI feedback frequently.
CQI feedback in broadband comprises following four cycle parameter: N
p, the feedback cycle of expression broadband CQI information; N
OFFSET, be engraved in the time offset in the one-period during expression CQI information feedback; M
RI, the feedback cycle of expression RI information is the M of broadband CQI feedback cycle
RIDoubly; O, expression RI information feedback is constantly with respect to broadband CQI information feedback time offset constantly.Above-mentioned N
p, N
OFFSET, M
RIAnd concern schematic diagram as shown in Figure 1 between four parameters of O, and the RI among Fig. 1 represents RI information feedback constantly, WB represents broadband CQI information feedback constantly, and M
RI=5.If feedback PMI information, PMI information is followed broadband CQI information and is fed back together so.
Frequently select the CQI feedback to comprise following five cycle parameter: N
p, represent the cycle that adjacent twice CQI information is fed back, one time CQI information feedback can be a broadband CQI information feedback, also can be a CQI information feedback of certain part subband; N
OFFSET, be engraved in the time offset in the one-period during expression CQI information feedback; K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back; M
RI, the feedback cycle of expression RI information is the M of broadband CQI feedback cycle
RIDoubly; O, expression RI information feedback is constantly with respect to broadband CQI information feedback time offset constantly.Above-mentioned N
p, N
OFFSET, K, M
RIAnd concern schematic diagram as shown in Figure 2 between five parameters of O, and the RI among Fig. 2 represents RI information feedback constantly, and WB represents broadband CQI information feedback constantly, and SB represents subband CQI information feedback constantly.If feedback PMI information, PMI information is followed broadband CQI information and is fed back together so.The circulation feedback of a subband CQI information among Fig. 2 comprises 3 part subband CQI information, takies respectively 3 subband CQI feedbacks constantly.
Select in the CQI feedback in above-mentioned broadband CQI feedback and frequency, PMI information is all fed back in the identical moment with broadband CQI, so there is not independent PMI information feedback period parameter in the cycle parameter.
The base station is configured to broadband CQI feedback model or frequently selects the CQI feedback model by the high-level signaling informing user terminal, and configures the cycle parameter of corresponding CQI feedback.
The plan of establishment of the cycle parameter of the upper CQI feedback of a kind of 3GPP LTE PUCCH of system of the prior art as described in Table 1,
Table 1:
| Parameter field | Bit number | Default value | Explanation |
| The indication of CQI feedback kind | 1 | Broadband CQI feedback model | Be used to indicate the CQI feedback kind: broadband CQI feedback model, select the CQI feedback model frequently |
| N pAnd N OFFSETField | 9 | OFF | N p, to the feedback cycle of CQI feedback representation broadband, broadband CQI, to frequently selecting the cycle of the adjacent twice CQI information feedback of CQI feedback representation, span: 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, OFF.N OFFSETBe engraved in the time offset in the one-period during expression CQI information feedback, span: 0 ,-1 ,-2 ... ,-(N p-1).N pAnd N OFFSETCombined coding, total 2+5+10+20+40+80+160+1=318 kind value combination represents with 9 bits |
| The K field | 2 | 1 | Only to frequently selecting the CQI feedback effectively, indicate the circulation Times of Feedback of the subband CQI information of experience between twice adjacent broadband CQI information feedback, span: 1,2,3,4, represent with 2 bits |
| RI parameter field information cycle | 11 | M RI=4O=0 | Only divided ring space division multiplexing and closed loop space division multiplexing transmission mode are effective, the cycle parameter M of indication RI information feedback RIWith 0.M RIIndication RI information feedback period is what times of broadband CQI information feedback period, span: 1,2,4,8,16,32,0FF.0 indication RI information feedback is constantly with respect to broadband CQI information feedback time offset constantly, and span depends on parameter N pMaximum occurrences 160ms, desirable 0 ,-1 ,-2 ... ,-160.M RIWith 0 combined coding, total 7*161=1127 kind may value make up, and represents with 11 bits |
A certain field value OFF in the above-mentioned table 1 represents that corresponding informance does not feed back.
Based on the scheme shown in the above-mentioned table 1, consider in the present ratio of uplink subframe to downlink subframe of supporting of LTE system of time division duplex multiplexing (TDD, Time DivisionDuplexing) and only have at most 6 sub-frame of uplink in the 10ms, cause parameter N
OFFSETReduce with the possible value of O, thereby further reduce the signaling bit number.The plan of establishment of the cycle parameter of the upper CQI feedback of the another kind of TDD LTE PUCCH of system of the prior art as described in Table 2,
Table 2:
| Parameter field | Bit number | Default value | Explanation |
| The indication of CQI feedback kind | 1 | Broadband CQI feedback model | Be used to indicate the CQI feedback kind: broadband CQI feedback model, select the CQI feedback model frequently |
| N pAnd N OFFSETField | 8 | OFF | N p, to the feedback cycle of CQI feedback representation broadband, broadband CQI, to frequently selecting the cycle of the adjacent twice CQI information feedback of CQI feedback representation, span: 1ms, 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, OFF.N OFFSETBe engraved in the time offset in the one-period during expression CQI information feedback, span: 0 ,-1 ,-2 ... ,-(N p-1).N pAnd N OFFSETCombined coding, total 1+1+3+6+12+24+48+96+1=192 kind value combination represents with 8 bits |
| The K field | 2 | 1 | Only to frequently selecting the CQI feedback effectively, indicate the circulation Times of Feedback of the subband CQI information of experience between twice adjacent broadband CQI information feedback, span: 1,2,3,4, represent with 2 bits |
| RI parameter field information cycle | 10 | M RI=4O=0 | Only divided ring space division multiplexing and closed loop space division multiplexing transmission mode are effective, the cycle parameter MRI and 0 of indication RI information feedback.M RIIndication RI information feedback period is what times of broadband CQI information feedback period, span: 1,2,4,8,16,32, OFF.0 indication RI information feedback is constantly with respect to broadband CQI information feedback time offset constantly, and span depends on the maximum occurrences 160ms of parameter N p, desirable 0 ,-1 ,-2 ... ,-96.M RIWith 0 combined coding, total 7*97=679 kind may value make up, and represents with 10 bits |
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art:
In the scheme shown in above-mentioned table 1 and the table 2, although parameter N p selects the CQI feedback model to have different physical meaning for broadband CQI feedback model with frequency, but select the CQI feedback model for broadband CQI feedback model and frequency, parameter N p is provided with identical span, and the above-mentioned cycle parameter that causes arranging need to take larger bit number.
Summary of the invention
Embodiments of the invention provide a kind of management method and device of cycle parameter of channel quality indication feedback, need to take the problem of larger bit number to the cycle parameter of the CQI feedback of user terminal setting to solve the base station.
The embodiment of the invention is achieved through the following technical solutions:
A kind of management method of cycle parameter of channel quality indication feedback comprises:
The cycle parameter of the channel quality indicator (CQI) feedback of user terminal is set, the feedback cycle N of the broadband CQI information in the CQI feedback model of broadband wherein is set
pBe engraved in the time offset N in the one-period when 1, CQI information is fed back
OFFSET1 shared total bit number and the feedback cycle N that selects the adjacent twice CQI information in the CQI feedback model frequently
pBe engraved in the time offset N in the one-period when 2, CQI information is fed back
OFFSET2, the shared total bit number of K equates, described K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back;
The cycle parameter of described CQI feedback is sent to described user terminal.
A kind of management method of cycle parameter of channel quality indication feedback comprises:
The cycle parameter of the CQI feedback of user terminal is set, the M in the CQI feedback model of broadband wherein is set
RI, O and frequently select M in the CQI feedback model
RI, the shared total bit number of O, K equates described M
RIExpression order indication, described O represents RI information feedback constantly with respect to broadband CQI information feedback time offset constantly, described K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back;
The cycle parameter of described CQI feedback is sent to described user terminal.
A kind of management devices of cycle parameter of channel quality indication feedback comprises:
The period 1 parameter arranges module, for the feedback cycle N of the broadband C QI information that broadband CQI feedback model is set
pBe engraved in the time offset N in the one-period when 1, CQI information is fed back
OFFSET1 shared total bit number and the feedback cycle N that selects the adjacent twice CQI information in the CQI feedback model frequently
pBe engraved in the time offset N in the one-period when 2, CQI information is fed back
OFFSET2, the shared total bit number of K equates, described K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back;
Period 1 parameter sending module is used for the cycle parameter of described CQI feedback is sent to described user terminal.
A kind of management devices of cycle parameter of channel quality indication feedback comprises:
Second round, parameter arranged module, and the cycle parameter for the CQI feedback that user terminal is set wherein arranges the M in the CQI feedback model of broadband
RI, O and frequently select M in the CQI feedback model
RI, the shared total bit number of O, K equates described M
RIExpression order indication, described O represents RI information feedback constantly with respect to broadband CQI information feedback time offset constantly, described K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back;
Second round, the parameter sending module was used for the cycle parameter of described CQI feedback is sent to described user terminal.
Can be found out by the technical scheme that the embodiment of the invention described above provides, the embodiment of the invention is by with the N in the CQI feedback model of broadband
p1, N
OFFSET1 shared total bit number and the N that frequently selects in the CQI feedback model
p2, N
OFFSET2, the shared total bit number of K equates, thereby can be with N
p1, N
OFFSET1 and N
p2, N
OFFSET2, K is arranged in the field; Perhaps, M in the CQI feedback model of broadband is set
RI, O and frequently select M in the CQI feedback model
RI, the shared total bit number of O, K equates, thereby can be with the M in the CQI feedback model of broadband
RI, O and frequently select M in the CQI feedback model
RI, O, K be arranged in the field, avoids occurring independently K field, reduces the shared bit number of cycle parameter of CQI feedback.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the parameter N in the broadband CQI feedback model of prior art
p, N
OFFSET, M
RIAnd concern schematic diagram between the O;
Fig. 2 is that the frequency of prior art selects the parameter N in the CQI feedback model
p, N
OFFSET, K, M
RIAnd concern schematic diagram between the O;
The process chart of the management method of the cycle parameter of a kind of channel quality indication feedback that Fig. 3 provides for the embodiment of the invention one;
The structural representation of the management devices of the cycle parameter of a kind of channel quality indication feedback that Fig. 4 provides for the embodiment of the invention;
The structural representation of the management devices of the cycle parameter of the another kind of channel quality indication feedback that Fig. 5 provides for the embodiment of the invention.
Embodiment
In embodiments of the present invention, with the feedback cycle N of the parameter broadband CQI information in the CQI feedback model of broadband
pBe called N
p1, will select the feedback cycle N of the adjacent twice CQI information of parameter in the CQI feedback model frequently
pBe called N
p2, and be N according to its physical significance
p1 and N
p2 arrange respectively different spans.And the time offset that is engraved in the one-period when parameters C QI information in the CQI feedback model of broadband is fed back is called N
OFFSET1, the time offset that is engraved in the one-period during with the parameter parameters C QI information feedback frequently selected in the CQI feedback model is called N
OFFSET2.
The base station arranges the parameter N in the CQI feedback model of broadband when the cycle parameter of the CQI feedback that user terminal is set
p1, parameter N
OFFSET1 shared total bit number and the parameter N of frequently selecting in the CQI feedback model
p2, parameter N
OFFSET2, the shared total bit number of parameter K equates; Perhaps, when the cycle parameter of the CQI feedback that user terminal is set, the parameter M in the CQI feedback model of broadband is set
RI, parameter O and frequently select parameter M in the CQI feedback model
RI, the shared total bit number of parameter O, parameter K equates described M
RIExpression order indication, described O represents RI information feedback constantly with respect to broadband CQI information feedback time offset constantly, described K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back.
Then, the cycle parameter of described CQI feedback is sent to described user terminal, receive the information that described user terminal feeds back according to the cycle parameter of described CQI feedback.
Further, described parameter N
pEach value of 2 is parameter N
pA kind of possibility value of 1, or parameter N
pA factor of 1 one kinds of possibility values.
Further, establish described parameter N
pThe maximum of 1 value is MAX_N
p1, described parameter N
pThe maximum of 2 value is MAX_N
p2, the maximum of the value of described parameter K is MAX_K, then: MAX_N
p2*MAX_K＜=MAX_N
p1＜=MAX_N
p2* (MAX_K+1), the maximum here refers to and does not comprise that OFF is in interior maximum occurrences.
Further, described parameter N
p1 span is: 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, OFF, this OFF mean that feedback cycle is infinitely great, namely do not feed back.
Described parameter N
p2 span is: 1ms, 2ms, 5ms, 10ms, 20ms, 40ms, OFF;
For broadband CQI feedback model, described parameter N
OFFSET1 span is: 0 ,-1 ,-2 ... ,-(N
p1-1), for frequently selecting CQI feedback model, described parameter N
OFFSET2 span is: 0 ,-1 ,-2 ... ,-(N
p2-1);
The span of described parameter K is: 1,2,3,4.
Further, with the parameter N in the CQI feedback model of broadband
p1, parameter N
OFFSET1 carries out combined coding, the parameter N behind the coding
p1, parameter N
OFFSET1 value takies 9 bits altogether, with the parameter N of frequently selecting in the CQI feedback model
p2, parameter N
OFFSET2 carry out combined coding, the parameter N behind the coding
p2, parameter N
OFFSET2 value takies 7 bits altogether, represents the value of parameter K with 2 bits.
Further, for broadband CQI feedback model, represent parameter N with 3 bits
p1 value represents parameter N with 8 bits
OFFSET1 value for frequently selecting the CQI feedback model, represents parameter N with 3 bits
p2 value represents parameter N with 6 bits
OFFSET2 value represents the value of parameter K with 2 bits.
For ease of the understanding to the embodiment of the invention, be further explained explanation below in conjunction with accompanying drawing as an example of several specific embodiments example, and each embodiment does not consist of the restriction to the embodiment of the invention.
Embodiment one
Cycle parameter with the upper CQI feedback of the 3GPP LTE PUCCH of system is set to example, and the handling process of the management method of the cycle parameter of a kind of channel quality indication feedback that this embodiment provides comprises following treatment step as shown in Figure 3:
Step 31, the CQI feedback model of determining user terminal and the value of each cycle parameter.
The CQI feedback model of user terminal is at first determined in the base station, namely is that broadband CQI feedback model or frequency select the CQI feedback model, then, determines the value of corresponding each cycle parameter according to feedback model.If user terminal is broadband CQI feedback model, then determine corresponding N
p1, N
OFFSET1, M
RIValue with four parameters of O; If user terminal is to select the CQI feedback model frequently, then determine corresponding N
p2, N
OFFSET2, K, M
RIValue with five parameters of O.
Step 32, according to the value of CQI feedback model and each cycle parameter, CQI feedback kind indication field, CQI parameter field information cycle and RI parameter field information cycle are set.
The embodiment of the invention is selected the various cycle parameters of CQI feedback model according to above-mentioned broadband CQI feedback model and frequency, CQI feedback kind indication field, CQI parameter field information cycle and three fields of RI parameter field information cycle are set, wherein, CQI feedback kind indication field takies 1 bit, CQI parameter field information cycle takies 9 bits, and RI parameter field information cycle takies 11 bits.
The plan of establishment of above-mentioned CQI feedback kind indication field, CQI parameter field information cycle and three fields of RI parameter field information cycle as described in Table 3, wherein a certain field value OFF represents that corresponding informance does not feed back:
Table 3:
| Parameter field | Bit number | Default value | Explanation |
| The indication of CQI feedback kind | 1 | Broadband CQI feedback model | Be used to indicate the CQI feedback kind: broadband CQI feedback model, select the CQI feedback model frequently |
| CQI parameter field information cycle | 9 | OFF | Be described in detail as follows |
| RI parameter field information cycle | 11 | M RI＝4 O＝0 | Be described in detail as follows |
1, CQI parameter field information cycle.
For broadband CQI feedback model, this field comprises parameter N
p1 and N
OFFSET1; For frequently selecting the CQI feedback model, this field comprises parameter N
p2, N
OFFSET2 and K.
Parameter N in the CQI feedback model of above-mentioned broadband
p1 span is: 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, OFF; Above-mentioned frequency selects the parameter N in the CQI feedback model
p2 span is: 1ms, 2ms, 5ms, 10ms, 20ms, 40ms, OFF, i.e. parameter N
p1 and N
p2 span is set to difference.
Parameter N in the CQI feedback model of above-mentioned broadband
OFFSET1 span is: 0 ,-1 ,-2 ... ,-(N
p1-1), above-mentioned frequency selects the parameter N in the CQI feedback model
OFFSET2 span is: 0 ,-1 ,-2 ... ,-(N
P2-1).
Above-mentioned frequency selects the span of the parameter K in the CQI feedback model to be: 1,2,3,4.
To broadband CQI feedback model, N
p1 and N
OFFSET1 combined coding, total 2+5+10+20+40+80+160+1=318 kind value combination represents with 9 bits.To frequently selecting CQI feedback model, N
p2 and N
OFFSET2 combined codings, total 1+2+5+10+20+40+1=79 kind value combination represents with 7 bits; Remain the value that 2 bits are used to indicate K.
2, RI parameter field information cycle.
This field only divided ring space division multiplexing and closed loop space division multiplexing transmission mode is effective, comprises the cycle parameter M of indication RI information feedback
RIAnd O.
Above-mentioned broadband CQI feedback model and frequency select the parameter M in the CQI feedback model
RISpan be: 1,2,4,8,16,32, OFF.
Above-mentioned broadband CQI feedback model and frequency select the span of the parameter O in the CQI feedback model to depend on parameter N
p1 and parameter N
p2 maximum occurrences, desirable 0 ,-1 ,-2 to broadband CQI feedback model ... ,-160, to frequently select the CQI feedback model desirable 0 ,-1 ,-2 ... ,-40.
Above-mentioned M
RIWith the O combined coding, total 7*161=1127 kind may value make up under the CQI feedback model of broadband, represents with 11 bits; Frequently select total 7*41=287 kind possibility value combination under the CQI feedback model, represent with 11 bits.
Step 33, the indication of above-mentioned CQI feedback kind, CQI parameter information cycle and RI parameter field information cycle are sent to user terminal by signaling, receive RI, CQI and the PMI information of user terminal to send up.
The base station with above-mentioned CQI feedback kind indicate, CQI parameter information cycle and RI parameter field information cycle be carried in the signaling, and this signaling is sent to user terminal.
Subscriber equipment receives the above-mentioned signaling that the base station issues, obtain the indication of CQI feedback kind, CQI parameter information cycle and the RI parameter field information cycle information of wherein carrying, parse first CQI feedback kind indication field, according to being broadband CQI feedback model or frequently selecting the CQI feedback model correspondingly to parse CQI parameter field information cycle and RI parameter field information cycle, obtain the various cycle parameters for the CQI feedback again.
Then, user terminal passes through the PUCCH channel to base station feedback RI, CQI and PMI information according to the moment form according to the rules of various cycle parameter regulations.The base station receives this RI, CQI and PMI information, according to the information that receives corresponding dispatch deal is carried out in the base station.
This embodiment passes through N
p1, N
OFFSET1 and N
p2, N
OFFSET2, K is arranged in CQI parameter field information cycle, avoids occurring independently K field, has reduced the shared bit number of parameter K, and then has reduced the shared bit number of cycle parameter of CQI feedback.
Embodiment two
Cycle parameter with the upper CQI feedback of the 3GPP LTE PUCCH of system is set to example, in the plan of establishment of the CQI feedback kind indication field that this embodiment provides, CQI parameter field information cycle and RI parameter field information cycle, not to parameter N
p1 and N
OFFSET1, N
p2 and N
OFFSET2 carry out combined coding, and for parameter M
RIAlso different from above-described embodiment 1 with the value of O.
The plan of establishment of the CQI feedback kind indication field that this embodiment provides, CQI parameter field information cycle and RI parameter field information cycle is as described in Table 4:
Table 4:
| Parameter field | Bit number | Default value | Explanation |
| The indication of CQI feedback kind | 1 | Broadband CQI feedback model | Be used to indicate the CQI feedback kind: broadband CQI feedback model, select the CQI feedback model frequently |
| CQI parameter field information cycle | 11 | OFF | Be described in detail as follows |
| RI parameter field information cycle | 11 | M RI＝4O＝0 | Be described in detail as follows |
1, CQI parameter field information cycle.
For broadband CQI feedback model, this field comprises parameter N
p1 and N
OFFSET1; For frequently selecting the CQI feedback model, this field comprises parameter N
p2, N
OFFSET2 and K.
Parameter N in the CQI feedback model of above-mentioned broadband
p1 span is: 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, OFF; Above-mentioned frequency selects the span of the parameter N p2 in the CQI feedback model to be: 1ms, 2ms, 5ms, 10ms, 20ms, 40ms, OFF.It is parameter N
p1 and parameter N
p2 span is set to difference.
Parameter N in the CQI feedback model of above-mentioned broadband
OFFSET1 span is: 0 ,-1 ,-2 ... ,-(N
p1-1), above-mentioned frequency selects the parameter N in the CQI feedback model
OFFSET2 span is: 0 ,-1 ,-2 ... ,-(N
P2-1).
Above-mentioned frequency selects the span of the parameter K in the CQI feedback model to be: 1,2,3,4.
For broadband CQI feedback model, N
p1 and N
OFFSET1 separately indication, N
p1 has 8 kinds of values, represents with 3 bits; N
OFFSET1 has at most 160 kinds of values, represents with 8 bits.To frequently selecting CQI feedback model, N
p2 and N
OFFSET2 separately indications, N
p2 have 8 kinds of values, represent with 3 bits; N
OFFSET2 have at most 40 kinds of values, represent with 6 bits; Remain the value that 2 bits are used to indicate K.
2, RI parameter field information cycle.
This field only divided ring space division multiplexing and closed loop space division multiplexing transmission mode is effective, comprises the cycle parameter M of indication RI information feedback
RIAnd O.
Above-mentioned broadband CQI feedback model and frequency select the parameter M in the CQI feedback model
RISpan be: 1,2,4,8,16,32, OFF.
Above-mentioned broadband CQI feedback model and frequency select the span of the parameter O in the CQI feedback model to depend on the maximum occurrences of parameter N p, desirable 0 ,-1 ,-2 to broadband CQI feedback model ... ,-160, to frequently select the CQI feedback model desirable 0 ,-1 ,-2 ... ,-40.
To broadband CQI feedback model, M
RIDivide out indication with O, M
RI7 kinds of possibility values are arranged, represent with 3 bits; O has 161 kinds of possibility values, represents with 8 bits.
To frequently selecting CQI feedback model, M
RIDivide out indication with O, M
RI7 kinds of possibility values are arranged, represent with 3 bits; O has 41 kinds of possibility values, represents with 8 bits.
In actual applications, in the plan of establishment of the CQI feedback kind indication field shown in above-mentioned table 3 and the table 4, CQI parameter field information cycle and RI parameter field information cycle, for RI parameter field information cycle that frequently selects the CQI feedback model, at M
RIWhen indicating with the O combined coding, M
RIMay value make up with the total 7*41=287 kind of O, just can represent with 9 bits, can also remain 2 bits; At M
RIWhen dividing out indication with O, O has 41 kinds of possibility values, just can represent with 6 bits, also can remain 2 bits.Above-mentioned frequency selects these 2 remaining bits of RI parameter information cycle under the CQI feedback model also can be used to indicate parameter K.At this moment, for broadband CQI feedback model, CQI parameter field information cycle comprises parameter N
p1 and N
OFFSET1; For frequently selecting the CQI feedback model, CQI parameter field information cycle comprises parameter N
p2, N
OFFSET2.And the shared bit number of CQI parameter field information cycle is still constant, is 9 bits (table 3) or 11 bits (table 4).Frequently selecting under the CQI feedback model, no matter be with N
p2, N
OFFSET2 carry out still separately indication of combined coding, and CQI parameter field information cycle can remain 2 bits.
Consider that parameter K itself is to belong to CQI parameter information cycle, with RI cache oblivious information cycle, in line with the information correlativity principle, had better be with parameter K and parameter N
p2, N
OFFSET2 are combined CQI parameter field information cycle that consists of shown in table 3 and table 4.
This embodiment passes through N
p1, N
OFFSET1 and N
p2, N
OFFSET2, K is arranged in CQI parameter field information cycle, perhaps, and with the M in the CQI feedback model of broadband
RI, O and frequently select M in the CQI feedback model
RI, O, K be arranged in RI parameter field information cycle, avoids occurring independently K field, reduced the shared bit number of parameter K, and then reduced the shared bit number of cycle parameter of CQI feedback.
Embodiment three
Owing to only having at most 6 sub-frame of uplink in the 10ms in the ratio of uplink subframe to downlink subframe that LTE TDD system supports, causing parameter N
OFFSET1, N
OFFSET2 and the possible value of O reduce, can further reduce the signaling bit number.
Cycle parameter with the upper CQI feedback of the 3GPP TDD PUCCH of system is set to example, the plan of establishment of the CQI feedback kind indication field that this embodiment provides, CQI parameter field information cycle and RI parameter field information cycle as described in Table 5:
Table 5:
| Parameter field | Bit number | Default value | Explanation |
| The indication of CQI feedback kind | 1 | Broadband CQI feedback model | Be used to indicate the CQI feedback kind: broadband CQI feedback model, select the CQI feedback model frequently |
| CQI parameter field information cycle | 8 | OFF | Be described in detail as follows |
| RI parameter field information cycle | 10 | M RI＝4O＝0 | Be described in detail as follows |
1, CQI parameter field information cycle.
For broadband CQI feedback model, this field comprises parameter N
p1 and N
OFFSET1; For frequently selecting the CQI feedback model, this field comprises parameter N
p2, N
OFFSET2 and K.
Parameter N in the CQI feedback model of above-mentioned broadband
p1 span is: 1ms, 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, OFF; Above-mentioned frequency selects the parameter N in the CQI feedback model
p2 span is: 1ms, 2ms, 5ms, 10ms, 20ms, 40ms, OFF, i.e. parameter N
p1 and N
p2 span is set to difference.
Parameter N in the CQI feedback model of above-mentioned broadband
OFFSET1 span is: 0 ,-1 ,-2 ... ,-(N
p1-1), above-mentioned frequency selects the parameter N in the CQI feedback model
OFFSET2 span is: 0 ,-1 ,-2 ... ,-(N
P2-1).
Above-mentioned frequency selects the span of the parameter K in the CQI feedback model to be: 1,2,3,4.
To broadband CQI feedback model, N
p1 and N
OFFSET1 combined coding, total 1+1+3+6+12+24+48+96+1=192 kind value combination represents with 8 bits.To frequently selecting CQI feedback model, N
p2 and N
OFFSET2 combined codings, total 1+1+3+6+12+24+1=48 kind value combination represents with 6 bits; Remain the value that 2 bits are used to indicate K.
2, RI parameter field information cycle.
This field only divided ring space division multiplexing and closed loop space division multiplexing transmission mode is effective, comprises the cycle parameter M of indication RI information feedback
RIAnd O.
Above-mentioned broadband CQI feedback model and frequency select the parameter M in the CQI feedback model
RISpan be: 1,2,4,8,16,32, OFF.
Above-mentioned broadband CQI feedback model and frequency select the span of the parameter O in the CQI feedback model to depend on parameter N
p1 and parameter N
p2 maximum occurrences, desirable 0 ,-1 ,-2 to broadband CQI feedback model ... ,-96, to frequently select the CQI feedback model desirable 0 ,-1 ,-2 ... ,-24.
Above-mentioned MRI and O combined coding, total 7*97=679 kind may value make up under the CQI feedback model of broadband, represents with 10 bits; Frequently select total 7*25=175 kind possibility value combination under the CQI feedback model, represent with 10 bits.
This embodiment passes through N
p1, N
OFFSET1 and N
p2, N
OFFSET2, K is arranged in CQI parameter field information cycle, and further reduced the shared bit number of CQI parameter field information cycle, avoid occurring independently K field, reduced the shared bit number of parameter K, and then reduced the shared bit number of cycle parameter of CQI feedback.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, to come the relevant hardware of instruction to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process such as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The embodiment of the invention also provides a kind of management devices of cycle parameter of channel quality indication feedback, and its specific implementation structure specifically can comprise as shown in Figure 4:
The period 1 parameter arranges module 41, and the cycle parameter for the CQI feedback that user terminal is set wherein arranges the parameter N in the CQI feedback model of broadband
p1, parameter N
OFFSETShared total bit number and frequency select the parameter N in the CQI feedback model
p2, N
OFFSET, the shared total bit number of K equates;
Period 1 parameter sending module 42 is used for the cycle parameter of described CQI feedback is sent to described user terminal.
Described cycle parameter arranges module 41 and can also comprise:
The one CQI feedback kind indication field arranges module 411, is broadband CQI feedback model or selects the CQI feedback model frequently for the CQI feedback model that user terminal is set;
The one CQI parameter field information cycle arranges module 412, is used for arranging the parameter N of broadband CQI feedback model
p1, parameter N
OFFSETValue and shared total bit number, the parameter N of frequently selecting in the CQI feedback model is set
p2, the value of NOFFSET, K and shared total bit number are established described parameter N
pThe maximum of 1 value is MAX_N
p1, described N
pThe maximum of the value of 2 parameters is MAX_N
p2, the maximum of the value of described K parameter is MAX_K, then: MAX_N
p2*MAX_K＜=MAX_N
p1＜=MAX_N
p2* (MAX_K+1);
The one RI parameter field information cycle 413, the parameter M that is used for that broadband CQI feedback model is set and selects the CQI feedback model frequently
RI, the value of parameter O and shared total bit number.
Described device can be arranged in the base station of wireless communication system.
The management devices of the cycle parameter of the another kind of channel quality indication feedback that the embodiment of the invention provides, its specific implementation structure specifically can comprise as shown in Figure 5:
Second round, parameter arranged module 51, and the cycle parameter for the CQI feedback that user terminal is set wherein arranges the M in the CQI feedback model of broadband
RI, O and frequently select M in the CQI feedback model
RI, the shared total bit number of O, K equates;
Second round, the parameter sending module 52, were used for the cycle parameter of described CQI feedback is sent to described user terminal.
Parameter arranged module 51 and specifically comprised described second round:
The 2nd CQI feedback kind indication field arranges module 511, is broadband CQI feedback model or selects the CQI feedback model frequently for the CQI feedback model that user terminal is set;
The 2nd CQI parameter field information cycle arranges module 512, is used for arranging the N of broadband CQI feedback model
p1, N
OFFSET1 and frequently select N in the CQI feedback model
p2, N
OFFSET2 value, and shared total bit number;
The 2nd RI parameter field information cycle 513 is used for the order indication M that broadband CQI feedback model is set and selects the CQI feedback model frequently
RISpan be: OFF, 1,2,4,8,16,32; The span that O in the CQI feedback model of broadband is set is: 0 ,-1 ,-2 ... ,-160, arrange and frequently select the span of the O in the CQI feedback model to be: 0 ,-1 ,-2 ... ,-40, described OFF represents not feed back;
When with M
RIWhen dividing out indication with O, for broadband CQI feedback model, represent M with 3 bits
RIValue, represent the value of O with 8 bits, for frequently selecting the CQI feedback model, represent M with 3 bits
RIValue, represent the value of O with 6 bits, represent the value of K with 2 bits;
When with M
RIDuring with the O combined coding, for broadband CQI feedback model, represent M behind the combined coding with 11 bits
RIWith the value of O, for frequently selecting the CQI feedback model, represent M behind the combined coding with 9 bits
RIWith the value of O, represent the value of K with 2 bits.
Described device can be arranged in the base station of wireless communication system.
In sum, the embodiment of the invention is utilized broadband CQI feedback model and is selected parameter N in the CQI feedback model frequently
pDifferent physical meaning, according to actual needs respectively with N
p1, N
p2 are provided with different spans, and with N
p1, N
OFFSET1 shared total bit number and N
p2, N
OFFSET2, the shared total bit number of K equates, thereby can be with N
p1, N
OFFSET1 and N
p2, N
OFFSET2, K is arranged in CQI parameter field information cycle; Perhaps, M in the CQI feedback model of broadband is set
RI, O and frequently select M in the CQI feedback model
RI, the shared total bit number of O, K equates, thereby can be with the M in the CQI feedback model of broadband
RI, O and frequently select M in the CQI feedback model
RI, O, K be arranged in the RI parameter field information cycle field, avoids occurring independently K field, reduces the shared bit number of cycle parameter of CQI feedback, the system that saved sends the needed signal resource of cycle parameter.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (14)
1. the management method of the cycle parameter of a channel quality indication feedback is characterized in that, comprising:
The cycle parameter of the channel quality indicator (CQI) feedback of user terminal is set, the feedback cycle N of the broadband CQI information in the CQI feedback model of broadband wherein is set
pBe engraved in the time offset N in the one-period when 1, CQI information is fed back
OFFSET1 shared total bit number and the feedback cycle N that selects the adjacent twice CQI information in the CQI feedback model frequently
pBe engraved in the time offset N in the one-period when 2, CQI information is fed back
OFFSET2, the shared total bit number of K equates, described K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back;
The cycle parameter of described CQI feedback is sent to described user terminal.
2. the management method of the cycle parameter of channel quality indication feedback according to claim 1 is characterized in that:
Described N
pEach value of 2 is N
pA kind of possibility value of 1, or N
pA factor of 1 one kinds of values.
3. the management method of the cycle parameter of channel quality indication feedback according to claim 1 is characterized in that:
If described N
pThe maximum of 1 value is MAX_N
p1, described N
pThe maximum of 2 value is MAX_N
p2, the maximum of the value of described K is MAX_K, then:
MAX_N
p2*（MAX_K）<=MAX_N
p1<=MAX_N
p2*（MAX_K+1）。
4. the management method of the cycle parameter of channel quality indication feedback according to claim 3 is characterized in that,
Described N
p1 span is: OFF, 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms;
Described N
p2 span is: OFF, and 1ms, 2ms, 5ms, 10ms, 20ms, 40ms, described OFF represents not feed back;
For broadband CQI feedback model, described N
OFFSET1 span is: 0 ,-1 ,-2 ... ,-(N
p1-1), for frequently selecting CQI feedback model, described N
OFFSET2 span is: 0 ,-1 ,-2 ... ,-(N
p2-1);
The span of described K is: 1,2,3,4.
5. the management method of the cycle parameter of channel quality indication feedback according to claim 4 is characterized in that, the described feedback cycle N that broadband CQI information in the CQI feedback model of broadband is set
pBe engraved in the time offset N in the one-period when 1, CQI information is fed back
OFFSET1 shared total bit number and the feedback cycle N that selects the adjacent twice CQI information in the CQI feedback model frequently
pBe engraved in the time offset N in the one-period when 2, CQI information is fed back
OFFSET2, the shared equal process of total bit number of K specifically comprises:
With the N in the CQI feedback model of broadband
p1, N
OFFSET1 carries out combined coding, the N behind the coding
p1, N
OFFSET1 value takies 9 bits altogether, with the N that frequently selects in the CQI feedback model
p2, N
OFFSET2 carry out combined coding, the N behind the coding
p2, N
OFFSET2 value takies 7 bits altogether, represents the value of K with 2 bits.
6. the management method of the cycle parameter of channel quality indication feedback according to claim 4, it is characterized in that, described feedback cycle Np1, the CQI information that broadband CQI information in the CQI feedback model of broadband is set is engraved in the time offset N in the one-period when feeding back
OFFSET1 shared total bit number and the feedback cycle N that selects the adjacent twice CQI information in the CQI feedback model frequently
pBe engraved in the time offset N in the one-period when 2, CQI information is fed back
OFFSET2, the shared equal process of total bit number of K specifically comprises:
For broadband CQI feedback model, represent N with 3 bits
p1 value represents N with 8 bits
OFFSET1 value,
For frequently selecting the CQI feedback model, represent N with 3 bits
p2 value represents N with 6 bits
OFFSET2 value represents the value of K with 2 bits.
7. according to claim 4 or the management method of the cycle parameter of 5 or 6 described channel quality indication feedbacks, it is characterized in that, the described cycle parameter that the channel quality indicator (CQI) feedback of user terminal is set also comprises:
Broadband CQI feedback model is set and selects the order in the CQI feedback model to indicate M frequently
RISpan be: OFF, 1,2,4,8,16,32; The span that O in the CQI feedback model of broadband is set is: 0 ,-1 ,-2 ... ,-160, arranging frequently selects the span of the O in the CQI feedback model to be: 0 ,-1 ,-2 ... ,-40, described O represents RI information feedback constantly with respect to broadband CQI information feedback time offset constantly, and described OFF represents not feed back;
Described M
RIValue and the value of described O altogether take 11 bits.
8. according to claim 2 or the management method of the cycle parameter of 3 described channel quality indication feedbacks, it is characterized in that, the described cycle parameter that the channel quality indicator (CQI) feedback of user terminal is set also comprises:
N is set
p1 span is: 1ms, 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, OFF; N is set
p2 span is: 1ms, and 2ms, 5ms, 10ms, 20ms, 40ms, OFF, described OFF represents not feed back;
For broadband CQI feedback model, described N
OFFSET1 span is: 0 ,-1 ,-2 ... ,-(N
p1-1), for frequently selecting CQI feedback model, described N
OFFSET2 span is: 0 ,-1 ,-2 ... ,-(N
p2-1);
Described frequency selects the span of the K in the CQI feedback model to be: 1,2,3,4;
With the N in the CQI feedback model of broadband
p1, N
OFFSET1 carries out combined coding, the N behind the coding
p1, N
OFFSET1 value takies 8 bits altogether, with the N that frequently selects in the CQI feedback model
p2, N
OFFSET2 carry out combined coding, the N behind the coding
p2, N
OFFSET2 value takies 6 bits altogether, represents the value of K with 2 bits;
Broadband CQI feedback model is set and selects the order in the CQI feedback model to indicate M frequently
RISpan be: OFF, 1,2,4,8,16,32; The span that O in the CQI feedback model of broadband is set is: 0 ,-1 ,-2 ... ,-96 arrange and frequently select the span of the O in the CQI feedback model to be: 0 ,-1 ,-2 ... ,-24, described M
RIValue and the value of described O altogether take 10 bits, described O represents RI information feedback constantly with respect to broadband CQI information feedback time offset constantly, described OFF represents not feed back.
9. the management method of the cycle parameter of a channel quality indication feedback is characterized in that, comprising:
The cycle parameter of the channel quality indicator (CQI) feedback of user terminal is set, the M in the CQI feedback model of broadband wherein is set
RI, the shared total bit number of O and select M in the CQI feedback model frequently
RI, the shared total bit number of O, K equates described M
RIExpression order indication, described O represents RI information feedback constantly with respect to broadband CQI information feedback time offset constantly, described K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back;
The cycle parameter of described CQI feedback is sent to described user terminal.
10. the management method of the cycle parameter of channel quality indication feedback according to claim 9 is characterized in that, the described cycle parameter that the CQI feedback of user terminal is set wherein arranges the M in the CQI feedback model of broadband
RI, O and frequently select M in the CQI feedback model
RI, the process that equates of the shared total bit number of O, K, specifically comprise:
Broadband CQI feedback model is set and selects the order in the CQI feedback model to indicate M frequently
RISpan be: OFF, 1,2,4,8,16,32; The span that O in the CQI feedback model of broadband is set is: 0 ,-1 ,-2 ... ,-160 arrange and frequently select the span of the O in the CQI feedback model to be: 0 ,-1 ,-2 ... ,-40, described OFF represents not feed back;
When with M
RIWhen dividing out indication with O, for broadband CQI feedback model, represent M with 3 bits
RIValue, represent the value of O with 8 bits, for frequently selecting the CQI feedback model, represent M with 3 bits
RIValue, represent the value of O with 6 bits, represent the value of K with 2 bits;
When with M
RIDuring with the O combined coding, for broadband CQI feedback model, represent M behind the combined coding with 11 bits
RIWith the value of O, for frequently selecting the CQI feedback model, represent M behind the combined coding with 9 bits
RIWith the value of O, represent the value of K with 2 bits.
11. the management devices of the cycle parameter of a channel quality indication feedback is characterized in that, comprising:
The period 1 parameter arranges module, for the feedback cycle N of the broadband CQI information that broadband CQI feedback model is set
pBe engraved in the time offset N in the one-period when 1, CQI information is fed back
OFFSET1 shared total bit number and the feedback cycle N that selects the adjacent twice CQI information in the CQI feedback model frequently
pBe engraved in the time offset N in the one-period when 2, CQI information is fed back
OFFSET2, the shared total bit number of K equates, described K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back;
Period 1 parameter sending module is used for the cycle parameter of described CQI feedback is sent to described user terminal.
12. the management devices of the cycle parameter of channel quality indication feedback according to claim 11 is characterized in that, described period 1 parameter arranges module and specifically comprises:
The one CQI feedback kind indication field arranges module, is broadband CQI feedback model or selects the CQI feedback model frequently for the CQI feedback model that user terminal is set;
The one CQI parameter field information cycle arranges module, is used for arranging the N of broadband CQI feedback model
p1, N
OFFSET1 value and shared total bit number arrange the N that frequently selects in the CQI feedback model
p2, N
OFFSET2, the value of K and shared total bit number are established described N
pThe maximum of 1 value is MAX_N
p1, described N
pThe maximum of 2 value is MAX_N
p2, the maximum of the value of described K is MAX_K, then: MAX_N
p2*(MAX_K-1)＜MAX_N
p1＜MAX_N
p2*(MAX_K+1);
The one RI parameter field information cycle, the M that is used for that broadband CQI feedback model is set and selects the CQI feedback model frequently
RI, the value of O and shared total bit number, described M
RIThe indication of expression order, described O represents that RI information feedback is constantly with respect to broadband CQI information feedback time offset constantly.
13. the management devices of the cycle parameter of a channel quality indication feedback is characterized in that, comprising:
Second round, parameter arranged module, and the cycle parameter for the channel quality indicator (CQI) feedback that user terminal is set wherein arranges the M in the CQI feedback model of broadband
RI, the shared total bit number of O and select M in the CQI feedback model frequently
RI, the shared total bit number of O, K equates described M
RIExpression order indication, described O represents RI information feedback constantly with respect to broadband CQI information feedback time offset constantly, described K is illustrated in the circulation of having experienced K subband CQI information between twice adjacent broadband CQI information feedback and feeds back;
Second round, the parameter sending module was used for the cycle parameter of described CQI feedback is sent to described user terminal.
14. the management devices of the cycle parameter of channel quality indication feedback according to claim 13 is characterized in that, parameter arranged module and specifically comprised described second round:
The 2nd CQI feedback kind indication field arranges module, is broadband CQI feedback model or selects the CQI feedback model frequently for the CQI feedback model that user terminal is set;
The 2nd CQI parameter field information cycle arranges module, is used for arranging the N of broadband CQI feedback model
p1, N
OFFSET1 and frequently select N in the CQI feedback model
p2, N
OFFSET2 value, and shared total bit number;
The 2nd RI parameter field information cycle is used for the order indication M that broadband CQI feedback model is set and selects the CQI feedback model frequently
RISpan be: OFF, 1,2,4,8,16,32; The span that O in the CQI feedback model of broadband is set is: 0 ,-1 ,-2 ... ,-160, arranging frequently selects the span of the O in the CQI feedback model to be: 0 ,-1 ,-2 ... ,-40, described OFF represents not feed back, and described O represents that RI information feedback is constantly with respect to broadband CQI information feedback time offset constantly;
When with M
RIWhen dividing out indication with O, for broadband CQI feedback model, represent M with 3 bits
RIValue, represent the value of O with 8 bits, for frequently selecting the CQI feedback model, represent M with 3 bits
RIValue, represent the value of O with 6 bits, represent the value of K with 2 bits;
When with M
RIDuring with the O combined coding, for broadband CQI feedback model, represent M behind the combined coding with 11 bits
RIWith the value of O, for frequently selecting the CQI feedback model, represent M behind the combined coding with 9 bits
RIWith the value of O, represent the value of K with 2 bits.
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| US8687727B2 (en) * | 2010-11-05 | 2014-04-01 | Intel Corporation | Coordinated multi-point transmission using interference feedback |
| CN102868499B (en) | 2011-07-06 | 2017-04-12 | 华为技术有限公司 | Indication information transmission method, user equipment and base station equipment |
| CN102916785B (en) * | 2011-08-04 | 2017-04-12 | 华为技术有限公司 | Information feedback method, user equipment and base station |
| CN102916766B (en) * | 2011-08-05 | 2016-03-30 | 华为技术有限公司 | The method and apparatus of feedback, acquisition channel condition information |
| CN103716827B (en) | 2012-09-28 | 2017-08-04 | 电信科学技术研究院 | The instruction of channel condition information reference resources and measuring method and equipment |
| CN105101288B (en) * | 2014-05-09 | 2018-10-30 | 普天信息技术有限公司 | Carry out the method and base station that channel status instruction reports |
| CN106612546B (en) | 2015-10-27 | 2021-10-22 | 大唐移动通信设备有限公司 | Method and equipment for determining CSI-RS transmission resources |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2006138621A2 (en) * | 2005-06-16 | 2006-12-28 | Qualcomm Incorporated | Method and apparatus for optimum selection of mimo and interference cancellation |
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| WO2006138621A2 (en) * | 2005-06-16 | 2006-12-28 | Qualcomm Incorporated | Method and apparatus for optimum selection of mimo and interference cancellation |
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