CN101686071B - Method for transmitting and receiving channel quality information and device thereof - Google Patents

Abstract

The embodiment of the invention relates to wireless communication field, and discloses a method for transmitting and receiving channel quality information and a device thereof, wherein the method for transmitting channel quality information comprises the steps of receiving antenna configuration information sent by a base station; obtaining channel quality information according to the antenna configuration information; and sending the channel quality information to the base station. The embodiment of the invention obtains the channel quality information according to the received antenna configuration information transmitted by the base station and sends the channel quality information to the base station; therefore, the channel quality information is obtained from base station configuration information, thereby being more accurate.

Description

The sending, receiving method of channel quality information and device thereof

Technical field

The present invention relates to wireless communication field, particularly sending, receiving method and the device thereof of channel quality information (Channel QualityInformation, CQI).

Background technology

At present, in descending multiple-input, multiple-output (Multiple Input Multiple Output, MIMO) system, in order to improve received signal to noise ratio, improve user's throughput, third generation partner, plan, in the Long Term Evolution LTE standard of 3GPP discussion, to have adopted the mode of precoding.Meanwhile, wave beam forming (beamforming) is applied in TD-SCDMA system.In LTE standard, wave beam forming has also write standard.In LTE R8, there are at most 4 antennas base station, at the descending public guide frequency that 4 antennas are provided simultaneously.When 8 antennas are done wave beam forming/precoding (precoding), can only obtain the channel of 4 antennas.So only with do 4 antennas channel, actual channel H cannot obtain.At this moment can only calculate the pre-coding matrix of 4 antennas, and the CQI obtaining according to this pre-coding matrix.In this case, the feedback of the CQI based on public guide frequency is actually very inaccurate.

Prior art proposes a kind of CQI based on existing public guide frequency to be estimated, user equipment (UE) estimates channel matrix according to existing 4 antenna pilots, then according to this, calculates precoding vector and then obtains CQI, then to base station feedback CQI.Base station obtains after CQI, and the CQI coming according to UE feedback makes MCS notice UE.Yet the CQI of this kind of method UE feedback is inaccurate.Base station may need further to adjust this CQI.

Prior art proposes again a kind of pilot tone based on an antenna port and does CQI estimation.Base station can be gone to send according to omni-beam, and all antennas send same symbol, and UE estimates the gain of omni-beam, calculates CQI, feeds back to base station.Base station calculates the gain of wave beam forming to omni-beam, UE is passed to the CQI come and revise, and the MCS that then obtains distributing to UE according to revised CQI passes to UE.Yet omni-beam also needs to use pilot tone moulding, such as using the antenna port 0 of LTE to carry out preliminary treatment.But, if descending CQI also based on antenna port 0, estimate, DL CQI does not just have accurately to reflect the down channel quality after data channel beam forming so.

Summary of the invention

The object of the embodiment of the present invention is to provide a kind of sending method and device thereof of and channel quality information, in order to send channel quality information accurately.

Another object of the embodiment of the present invention is to provide a kind of method of reseptance and device thereof of and channel quality information, in order to receive channel quality information accurately.

On the one hand, the embodiment of the present invention provides following technical scheme: a kind of sending method of channel quality information, comprising: receive the antenna configuration information that base station sends; According to described antenna configuration information, obtain channel quality information; Channel quality information is sent to base station.

On the other hand, the embodiment of the present invention provides a kind of method of reseptance of channel quality information, comprising: transmitting antenna configuration information is to subscriber equipment; Receive the channel quality information that subscriber equipment sends, wherein said channel quality information is to obtain by antenna configuration information.

On the other hand, the embodiment of the present invention provides a kind of dispensing device of channel quality information, comprising: receiving element, the antenna configuration information sending for receiving base station; Acquiring unit, for obtaining channel quality information according to described antenna configuration information; Transmitting element, for sending to base station by channel quality information.

On the other hand, the embodiment of the present invention provides a kind of receiving system of channel quality information, comprising: transmitting element, for to subscriber equipment transmitting antenna configuration information; Receiving system, the channel quality information sending for receiving subscriber equipment, wherein, channel quality information is to obtain according to described antenna configuration information.

On the other hand, the embodiment of the present invention provides a kind of sending method of Reference Signal Received Power RSRP value, comprising: receive the antenna configuration information that base station sends; According to described antenna configuration information, obtain Reference Signal Received Power RSRP value; RSRP value is sent to base station.

On the other hand, the embodiment of the present invention provides a kind of sending method of Reference Signal Received Power RSRP value, comprising: receive the indication that base station sends; According to described indication, obtain Reference Signal Received Power RSRP value; RSRP value is sent to base station.

On the other hand, the embodiment of the present invention provides a kind of dispensing device of Reference Signal Received Power RSRP value, comprising: receiving element, the antenna configuration information sending in order to receive base station; Obtain unit, in order to obtain Reference Signal Received Power RSRP value according to described antenna configuration information; Transmitting element, in order to send to base station by RSRP value.

The antenna configuration information that the embodiment of the present invention sends by receiving base station, obtains channel quality information according to this antenna configuration information; Channel quality information is sent to base station, and so channel quality information is to obtain by base station configuration information, and the channel quality information so obtaining is more accurate.The antenna configuration information that also can send by receiving base station in addition; According to described antenna configuration information, obtain Reference Signal Received Power RSRP value; RSRP value is sent to base station, and so RSRP value is to obtain by base station configuration information, and the channel quality information so obtaining is more accurate.

Accompanying drawing explanation

Fig. 1 is the schematic flow sheet of the transfer approach of embodiment of the present invention channel quality information;

Fig. 2 is that antenna of the present invention is the example structure schematic diagram that even linear array arranges;

Fig. 3 is the example structure schematic diagram that 8 antennas of the present invention arrange even linear array;

Fig. 4 is that antenna of the present invention is the example structure schematic diagram that uniform circular array arranges;

Fig. 5 is that antenna of the present invention is the example structure schematic diagram of polarization setting;

Fig. 6 is that a plurality of APAP of the present invention follow the example structure schematic diagram of a telex network simultaneously;

Fig. 7 is the example structure schematic diagram of the dispensing device of channel quality information of the present invention.

Fig. 8 is the schematic flow sheet of the sending method of embodiment of the present invention Reference Signal Received Power RSRP value;

Fig. 9 position is the schematic flow sheet of the sending method of embodiment of the present invention Reference Signal Received Power RSRP value.

Embodiment

For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.

First embodiment of the invention provides a kind of transfer approach of channel quality information, as shown in Figure 1, specifically comprises the steps:

Step 101, base station is to UE transmitting antenna configuration information;

Wherein, antenna configuration information is the information that base station configures according to different aerial position settings, illustrate, if aerial position is set to even linear array, the antenna configuration information that this reception base station sends specifically comprises: number of antennas, strong correlation antenna, antenna are even linear array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna; If aerial position is set to uniform circular array, the antenna configuration information that this reception base station sends specifically comprises: number of antennas, strong correlation antenna, antenna are uniform circular array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna; If aerial position is set to poliarizing antenna, the antenna configuration information that this reception base station sends specifically comprises: the antenna sets being comprised of a horizontal antenna and vertical antenna in number of antennas, strong correlation antenna, poliarizing antenna, poliarizing antenna is even linear array, pilot tone antenna and non-pilot tone antenna; If this antenna is stand-alone antenna, the antenna configuration information that this reception base station sends specifically comprises: number of antennas, stand-alone antenna; If described antenna is access point AP, the antenna configuration information that described reception base station sends specifically comprises: whether No. AP, number of antennas, strong correlation antenna, antenna are even linear array or uniform circular array, pilot tone antenna and non-pilot tone antenna and are poliarizing antenna.

Step 102, after UE reception antenna configuration information, obtains channel quality information according to this antenna configuration information;

Wherein according to this antenna configuration information, obtaining channel quality information specifically comprises:

The metrical informations relevant to mobile management such as the channel fading value of the pilot tone antenna obtaining according to this antenna configuration information and Reference Signal Received Power (Reference Signal Receiving Power, RSRP), wherein RSRP will be discussed in more detail below.Wherein pilot tone antenna is the antenna of transmission pilot tone; According to the channel fading value of this pilot tone antenna, obtain the metrical informations relevant to mobile management such as the channel fading value of non-pilot tone antenna and RSRP (RSRQ, RSSI), wherein this non-pilot tone antenna is the antenna that does not transmit pilot tone; According to the channel fading value of the channel fading value of this pilot tone antenna and non-pilot tone antenna obtain channel quality information and and RSRP (RSRQ, the metrical information relevant to mobile management such as RSSI), wherein the channel fading value of this pilot tone antenna and the channel fading value of non-pilot tone antenna acquisition channel quality information specifically comprise: according to the channel fading value of the channel fading value of this pilot tone antenna and non-pilot tone antenna, obtain the metrical information that channel matrix and RSRP (RSRQ, RSSI) etc. are relevant with mobile management; According to this channel matrix, obtain the metrical informations relevant to mobile management such as receiving terminal signal to noise ratio and RSRP (RSRQ, RSSI); According to this receiving terminal signal to noise ratio, obtain channel quality information.

Wherein, according to aerial position settings different in step 101, specifically according to the channel fading value of pilot tone antenna, obtain the computational methods difference of the channel fading value of non-pilot tone antenna.If wherein this antenna is even linear array, the channel fading value of pilot tone antenna is calculated to the channel fading value of this non-pilot tone antenna by linear interpolation or interpolation by proportional parts; If this antenna is uniform circular array, the channel fading value of this pilot tone antenna is calculated to the channel fading value of this non-pilot tone antenna by linear interpolation; If this antenna is poliarizing antenna, the channel fading value of this pilot tone antenna is calculated to the channel fading value of this non-pilot tone antenna by linear interpolation, and can obtain according to the channel fading value of calculating the metrical informations relevant to mobile management such as RSRP (RSRQ, RSSI) of non-pilot tone antenna.

If this antenna is stand-alone antenna, the channel fading value that obtains pilot tone antenna according to this antenna configuration information specifically comprises: the signal to noise ratio obtaining according to the channel fading value of this pilot tone antenna; According to signal to noise ratio, add that yield value obtains the signal to noise ratio of revising; According to the signal to noise ratio of revising, obtain channel quality information.

Step 103, UE sends to base station by the channel quality information of acquisition.

According to the present invention, the first channel quality information implement obtaining is the channel fading value of the non-pilot tone antenna that obtains according to the configuration information of base station, and the quality information then calculating according to pilot channel decline value and non-pilot channel decline value can be more accurate

According to the present invention, the first channel quality information of implementing to obtain is according to the RSRP (RSRQ of the non-pilot tone antenna of the configuration information acquisition of base station, the metrical information relevant to mobile management such as RSSI), then according to pilot channel RSRP (RSRQ, RSSI) measured value and/or with non-pilot channel RSRP (RSRQ, RSSI) the equivalent RSRP (RSRQ that measured value calculates, RSSI) measured value can be more accurate, then equivalent RSRP (RSRQ, RSSI) measured value is reported to base station.

Schematic flow sheet of transfer approach of a kind of channel quality information of first embodiment of the invention shown in Fig. 1, describes in detail below in conjunction with other accompanying drawings and specific embodiment.

Antenna of the present invention is the example structure schematic diagram that even linear array arranges, as shown in Figure 2, the structure that is wherein even linear array for antenna, the antenna configuration information that the present embodiment first receives according to step 101 comprises: adopt even line style interpolation to obtain the channel quality information of step 102.

Suppose that flat fading channel (meeting the characteristic of channel on OFDM subcarrier) is according to formula (1),

h _j＝(h _i×d ₂+h _k×d ₁)/(d ₁+d ₂)(1)

Wherein, wherein i, j, k are any three in M antenna, wherein in i, j, k, have two to be to send pilot tone antenna, and one is non-transmission pilot tone antenna.Hi, hj, hk are the weak value of channel, and d1 is the distance between hi, hj antenna, and d2 is the distance between hj, hk antenna.Wherein have two antennas for transmitting the antenna of pilot tone, an antenna may not have following several combination for transmitting the antenna of pilot tone, hi, and hj is for transmitting the antenna of pilot tone, and hk is not for transmitting the antenna of pilot tone; Hi, hk is for transmitting the antenna of pilot tone, and hj is for transmitting the antenna of non-pilot tone; Hj, hk is for transmitting the antenna of pilot tone, and hi is not for transmitting the antenna of pilot tone.Above-mentioned three kinds may be able to be calculated unknown channel value by formula (1).The antenna that wherein transmits pilot tone is that the weak value of the channel of pilot tone antenna is calculated by formula (2):

h＝y×a ^-1＝y/a(2)

Wherein, a is frequency pilot sign, and y, for receiving signal, wherein supposes that channel is flat fading channel, and at receiving terminal, known a, y, calculate decline value h according to formula (2).

Wherein, after calculating hi, hj, hk and be the weak value of channel according to formula (1) (2), be in M antenna, according to the channel fading value with the nearest pilot tone antenna of non-pilot tone antenna, to obtain the channel fading value of non-pilot tone antenna, then according to the channel fading value of the channel fading value of pilot tone antenna and non-pilot tone antenna, obtain the channel matrix H of an antenna of UE reception ₁, as shown in formula (3):

H ₁＝[h ₁₁，...，h _1M](3)

The like, if there be M transmitting antenna, wherein D sends pilot tone, and UE has N root reception antenna, and the i root reception antenna of UE can estimate the channel of M transmitting antenna so, is designated as Hi, is the row vector of a 1 * M.The N root reception antenna of UE and M root transmitting antenna form a channel matrix H, and N * M is to matrix.

$H=\left[\begin{array}{c}{H}_1\\ {\mathrm{<figure-callout\; id="2"\; label="H"\; filenames="H2008101816952E00022.png"\; state="\{\{state\}\}">H</figure-callout>}}_2\\ \&CenterDot;\\ \&CenterDot;\\ \&CenterDot;\\ H_N\end{array}\right]---(3-1)$

In (3-1), H _i=[h _i1..., h _iM];

Then, according to this channel matrix H, obtain the signal to noise ratio snr of the 1st layer of receiving terminal ₁, concrete calculating as formula (4):

${\mathrm{SNR}}_l=\frac{{\left|\right|T_{l:}\left|\right|}^2}{{\left|\right|G_{l:}\left|\right|}^2}\frac{E\left(\left|{\mathrm{<figure-callout\; id="2"\; label="s"\; filenames="H2008101816952E00022.png"\; state="\{\{state\}\}">s</figure-callout>}}^2\right|\right)}{{\mathrm{\&sigma;}}^2}=\frac{{\left|\right|T_{l:}\left|\right|}^2}{{\left|\right|G_{l:}\left|\right|}^2}\frac{P}{{\mathrm{\&sigma;}}^2}---\left(4\right)$

In (4), T=GHV, G is the weighting matrix Q * N of receiving terminal, H is N * M channel matrix, the precoding matrix that V is transmitting terminal, the vector of M * Q, the number of plies of Q for sending.Be expressed as σ ²for noise power, P is signal power.In (4), E (x) represents the average of x, P=E (| s ²|) be signal power, H is N * M channel matrix, the precoding matrix that V is transmitting terminal, the vector of M * Q.

In (4), T=GHV, G is the weighting matrix Q * N of receiving terminal, H is N * M channel matrix, the precoding matrix that V is transmitting terminal, the vector of M * Q, the number of plies of Q for sending.Be expressed as σ ²for noise power, P is signal power.

In (4), E (x) represents the average of x, P=E (| s ²|) be signal power, H is N * M channel matrix, the precoding matrix that V is transmitting terminal, the vector of M * Q.

Formula (4) is to come according to following calculated with mathematical model,

z＝Gy＝GHVs+Gn＝Ts+Gn (4-1)

In (4-1), the symbolic vector of the transmission that s is Q * 1, n is N * 1 zero-mean, variance is σ ²white Gaussian noise vector noise vector in (4-1), y=HVs+n is for receiving vector.

Then, according to this receiving terminal signal to noise ratio snr, obtain channel quality information CQI, specifically can adopt the method for tabling look-up, or other any existing methods, this repeats no more.

If base station adopts 8 antennas, and even linear array, spacing is 0.5 λ, shown in Fig. 3, wherein in step 101, it is the number of antennas of 1. base stations, 2. strong correlation antenna, the 3. shape of antenna that base station need to send to the information of terminal, is even linear array, 4. those several of base stations antenna sends pilot tone, 5. antenna is not poliarizing antenna.

Wherein antenna 1,3, and 5,8 send the pilot tone antenna of pilot tone, and antenna 1,3,5,8 channel fading value h1, h3, h5, h8 can calculate according to formula (2), and antenna 2,4,6,7 is not for sending the non-pilot tone antenna of pilot tone, its channel fading value h2, h4, h6, h7 obtains by interpolation, and wherein the h2 of concrete antenna 2 need to be from the h1 of antenna 1,3, and h3 calculates; The h4 of antenna 4 need to be from the h3 of antenna 3,5, and h5 calculates; The h6 of antenna 6 and antenna 7, h7 need to calculate in h8 from the h5 of antenna 5 and antenna 8, according to the method for linear interpolation, obtain h2, h4, h6, h7 according to formula (5).

h ₂＝(h ₁+h ₃)/2，h ₄＝(h ₃+h ₅)/2，h ₆＝2h ₅/3+h ₈/3，h ₇＝h ₅/3+2h ₈/3(5)

And then according to formula (3) or (3-1) obtain channel matrix H:

And then obtain SNR according to (4), then according to SNR, obtain CQI.

In addition, the structural representation that antenna is as shown in Figure 2 even linear array, the interpolation that the present embodiment also can adoption rate obtains the channel quality information of step 102.

Concrete as formula (6)

$h_j={\mathrm{<figure-callout\; id="2"\; label="h\; i\; d"\; filenames="H2008101816952E00022.png"\; state="\{\{state\}\}">h</figure-callout>}}_{i{d}_{}}^{{}_2/({\mathrm{<figure-callout\; id="1"\; label="d"\; filenames="H2008101816952E00021.png"\; state="\{\{state\}\}">d</figure-callout>}}_1+d_2)}{\mathrm{<figure-callout\; id="1"\; label="h\; k\; d"\; filenames="H2008101816952E00021.png"\; state="\{\{state\}\}">h</figure-callout>}}_{k{d}_{}}^{{}_1/({\mathrm{<figure-callout\; id="1"\; label="d"\; filenames="H2008101816952E00021.png"\; state="\{\{state\}\}">d</figure-callout>}}_1+d_2)}---\left(6\right)$

Wherein, hi, hj, hk are the weak value of channel, and d1 is the distance between hi, hj antenna, and d2 is the distance between hj, hk antenna.If wherein have two antennas for transmitting the antenna of pilot tone, an antenna is not for transmitting the antenna of pilot tone.May there is following several combination, hi, hj is for transmitting the antenna of pilot tone, and hk is not for transmitting the antenna of pilot tone; Hi, hk is for transmitting the antenna of pilot tone, and hj is for transmitting the antenna of non-pilot tone; Hj, hk is for transmitting the antenna of pilot tone, and hi is not for transmitting the antenna of pilot tone.

According to interpolation by proportional parts, calculate hi, hj, hk, according to formula (3) or (3-1), (4) obtain CQI, this is same as described above, this repeats no more.

In addition, 8 antennas of use as shown in Figure 3 arrange even linear array, also can adoption rate interpolation calculation go out h2, h4, and h6, h7, wherein interpolation by proportional parts thinks that the ratio of channel fading value of adjacent antenna is the same, concrete as formula (7)

h ₂/h ₁＝h ₃/h ₂＝h ₄/h ₃＝h ₅/h ₄＝h ₆/h ₅＝h ₇/h ₆＝h ₈/h ₇(7)

Then according to formula (8), obtain h2, h4, h6, h7:

h ₂＝(h ₁h ₃) ^1/2，h ₄＝(h ₃h ₅) ^1/2，h ₆＝(h ₅ ²h ₈) ^1/3，h ₇＝(h ₈ ²h ₅) ^1/3(8)

According to interpolation by proportional parts, calculate h2, h4, h6, h7, according to formula (3) or (3-1), (4) obtain CQI, this is same as described above, this repeats no more.

Antenna of the present invention is the example structure schematic diagram that uniform circular array arranges, as shown in Figure 4, the structure that is wherein uniform circular array for antenna, the antenna configuration information that the present embodiment first receives according to step 101 comprises: 1, the number of antennas of base station; 2. strong correlation antenna; 3. the shape of antenna, is circle battle array; 4. those several of base stations antenna sends pilot tone; 5. antenna is not poliarizing antenna.Then adopt line style interpolation to obtain the channel quality information of step 102.

As shown in Figure 4, according to configuration information, obtain pilot tone and send out on that antenna, can obtain equally not sending with certain the antenna of the nearest transmission pilot tone of the antenna of pilot tone.Wherein suppose antenna 1,3,5,7 send pilot tone, and UE can obtain antenna 1 according to formula (2), h1 on 3,5,7, h3, h5, h7, then according to the relative position of antenna in configuration information 2,4,6,8 and antenna 1,3,5,7, UE knows that adjacent with antenna 2 is antenna 1,3; Adjacent with antenna 4 is antenna 3,5; Adjacent with antenna 6 is antenna 5,7; Adjacent with antenna 8 is antenna 7,1, obtains h2, h4, and h6, h8, is specifically used linear interpolation, as shown in formula (9):

h ₂＝(h ₁+h ₃)/2，h ₄＝(h ₃+h ₅)/2，h ₆＝(h ₅+h ₇)/2，h ₈＝(h ₁+h ₇)/2(9)

So UE obtains the channel fading value of all antennas, then according to formula (3) or (3-1), (4) obtain SNR and CQI.

Antenna of the present invention is the example structure schematic diagram of polarization setting, as shown in Figure 5, for antenna, is wherein the structure of polarization, and base station is divided into 4 groups by 8 antennas, and every group comprises two antennas, and one is horizontal polarization, and one is perpendicular polarization.The spacing of every group is 0.5 λ.The antenna configuration information that the present embodiment first receives according to step 101 comprises: 1. the number of antennas of base station is 8; 2. antenna is poliarizing antenna, antenna the 1,2,3, the 4th, horizontal polarization, the 5,6,7, the 8th, perpendicular polarization; 3. strong correlation antenna; 4. the shape of antenna sets, is even linear array; 5. antenna Isosorbide-5-Nitrae, 5,8 send pilot tones, and antenna 2,3,6,7 does not send pilot tone.Then adopt line style interpolation to obtain the channel quality information of step 102.Specifically comprise:

As shown in Figure 5, UE obtains antenna 1,2,3,4th in 8 antennas, a kind of polarization mode, antenna 5,6,7,8th, a kind of polarization mode by configuration information.Wherein antenna 1,5 is one group, and antenna 2,6 is one group, and antenna 3,7 is one group, and antenna 4,8 is one group.Two antennas in one group wherein, because polarization mode is different, the channel of these two antennas is independently.The antenna that UE obtains the transmission pilot tone of base station notice is Isosorbide-5-Nitrae, 5,8.Antenna 2,3,6,7 is non-pilot tone antenna, its channel fading value needs to estimate.Owing to being poliarizing antenna, the channel of the antenna of same polarization mode just has correlation.Be antenna 1,2, the channel on 3,4 has correlation, antenna 5,6, and the channel on 7,8 has correlation.The channel fading value on antenna 2,3 obtains by the channel fading value of antenna Isosorbide-5-Nitrae, and the channel fading value on antenna 6,7 obtains by the channel fading value on antenna 5,8.Wherein, h1, h4, h5, h8 obtains according to formula (2), adopts linear interpolation, according to formula (10),

h ₂＝h ₄/3+2h ₁/3，h ₃＝2h ₄/3+h ₁/3；h ₆＝h ₈/3+2h ₅/3，h ₇＝2h ₈/3+h ₅/3(10)

Obtain the channel fading value h2 of non-pilot tone antenna, h3, h6, h7.So UE obtains the channel fading value of all antennas, then according to formula (3) or (3-1), (4) obtain SNR and CQI.

In addition, if the antenna configuration information that in step 101, base station sends comprises one, two, three even more AP are simultaneously with a telex network, and as shown in Figure 6, a plurality of AP follow the scene of a UE communication simultaneously.At this moment the combination of antenna also has multiple, and such as an AP likely has 1,2,4,8 antenna, if two AP communicate by letter with a UE, two AP just may be combined into, 2,3,4,5,6,8,9,10,12,16 antennas.If 3 AP can have more combination.In this case, the pilot frequency format of designing antenna comprises that all possible costs are too large.

In step 101, the antenna configuration information that UE is issued in base station is: 1, No. AP; 2, each AP is used as to base station, by embodiment Fig. 3, Fig. 4, embodiment that Fig. 5, Fig. 6 are corresponding, notifies.According to Fig. 3, Fig. 4, embodiment that Fig. 5, Fig. 6 are corresponding, process the channel fading value obtaining on all AP antennas, then the antenna of all AP is formed and regards a large MIMO as, by traditional method, obtain CQI.

In step 101, the antenna configuration information that UE is issued in base station is: 1,1. antenna group number (being equivalent to No. AP).2. each antenna sets is notified by embodiment Fig. 3, Fig. 4, embodiment that Fig. 5 is corresponding.According to Fig. 3, Fig. 4, embodiment that Fig. 5 is corresponding, process the channel fading value obtaining on all AP antennas, then the antenna of all AP is formed and regards a large MIMO as, by the method for formula (4), obtain CQI.

In step 101, the antenna configuration information that UE is issued in base station is: 1. the number of antennas of all AP, quite and the antenna for base station number of embodiment 4; 2. stand-alone antenna, obtains CQI according to the embodiment of following stand-alone antenna.

In addition, if antenna is independently in the antenna configuration information that in step 101, base station sends, UE is the channel that cannot obtain not sending the antenna of public guide frequency.The antenna configuration information envelope that now base station sends: the 1. number of antennas of base station; 2. stand-alone antenna.Wherein to obtain 8 antennas be example to UE, and these 8 antennas are independently, the upper channel that independently means antenna be independently or correlation very a little less than, now can not obtain the channel into the antenna of transmission pilot tone by interpolation.Step 102 obtains channel quality information.Specifically comprise:

The signal to noise ratio obtaining according to the channel fading value of described pilot tone antenna, specifically comprises: first according to formula (2), obtain the channel fading value of pilot tone antenna, then according to formula (4), calculate signal to noise ratio;

According to signal to noise ratio, add that yield value obtains the signal to noise ratio of revising; Specifically take 8 antennas as example, the gain of 4 antennas is wherein calculated and is roughly 10log ₁₀(8/4)=3dB; Or UE, according to actual antenna number, sets a look-up table, directly find the yield value of the corresponding 4 antenna SNR of antenna for base station number, then will estimate that SNR adds that yield value is as actual SNR;

According to the signal to noise ratio of revising, obtain channel quality information, this step is same as described above, and this repeats no more.

In addition, another embodiment of the present invention provides a kind of dispensing device of channel quality information, and as shown in Figure 7, this device can be UE10, and it is communicated by letter with the receiving system of a channel quality information, and this receiving system can be base station 20, and wherein UE10 specifically comprises:

Receiving element 11, the antenna configuration information sending for receiving base station 20; Wherein base station 20 comprises that transmitting element 21 is for to UE10 transmitting antenna configuration information;

Wherein, antenna configuration information is the information that base station 20 configures according to different aerial position settings, illustrate, if aerial position is set to even linear array, this antenna configuration information specifically comprises: number of antennas, strong correlation antenna, antenna are even linear array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna; If aerial position is set to uniform circular array, the antenna configuration information that this reception base station sends specifically comprises: number of antennas, strong correlation antenna, antenna are uniform circular array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna; If aerial position is set to poliarizing antenna, the antenna configuration information that this reception base station sends specifically comprises: the antenna sets being comprised of a horizontal antenna and vertical antenna in number of antennas, strong correlation antenna, poliarizing antenna, poliarizing antenna is even linear array, pilot tone antenna and non-pilot tone antenna; If this antenna is stand-alone antenna, the antenna configuration information that this reception base station sends specifically comprises: number of antennas, stand-alone antenna, if described antenna is access point AP, the antenna configuration information that described reception base station sends specifically comprises: whether No. AP, number of antennas, strong correlation antenna, antenna are even linear array or uniform circular array, pilot tone antenna and non-pilot tone antenna and are poliarizing antenna, concrete antenna equipment structural representation as shown in Fig. 2,3,4,5,6 and above-described embodiment describe, this repeats no more.

Acquiring unit 12, for obtaining channel quality information according to this antenna configuration information;

Wherein acquiring unit 12, specifically comprise:

First obtains subelement, and for the channel fading value of the pilot tone antenna that obtains according to this antenna configuration information, wherein pilot tone antenna is the antenna of transmission pilot tone;

Second obtains subelement, and for obtain the channel fading value of non-pilot tone antenna according to the channel fading value of this pilot tone antenna, wherein this non-pilot tone antenna is the antenna that does not transmit pilot tone;

The 3rd obtains subelement, for obtaining channel quality information according to the channel fading value of the channel fading value of this pilot tone antenna and non-pilot tone antenna, wherein the channel fading value of this pilot tone antenna and the channel fading value of non-pilot tone antenna acquisition channel quality information specifically comprise:

According to the channel fading value of the channel fading value of this pilot tone antenna and non-pilot tone antenna, obtain channel matrix; According to this channel matrix, obtain receiving terminal signal to noise ratio; According to this receiving terminal signal to noise ratio, obtain channel quality information.

Wherein, according to receiving element 11 reception antenna positions, difference is set, specifically according to the channel fading value of pilot tone antenna, obtains the computational methods difference of the channel fading value of non-pilot tone antenna.If wherein this antenna is even linear array, the channel fading value of pilot tone antenna is calculated to the channel fading value of this non-pilot tone antenna by linear interpolation or interpolation by proportional parts; If this antenna is uniform circular array, the channel fading value of this pilot tone antenna is calculated to the channel fading value of this non-pilot tone antenna by linear interpolation; If this antenna is poliarizing antenna, the channel fading value of this pilot tone antenna is calculated to the channel fading value of this non-pilot tone antenna by linear interpolation.

If this antenna is stand-alone antenna, the channel fading value that obtains pilot tone antenna according to this antenna configuration information specifically comprises: the signal to noise ratio obtaining according to the channel fading value of this pilot tone antenna; According to signal to noise ratio, add that yield value obtains the signal to noise ratio of revising; According to the signal to noise ratio of revising, obtain channel quality information.

The above-mentioned CQI value calculating according to different aerial positions can obtain according to corresponding formula (1) to (9) in specific embodiment above, above-mentionedly describes in detail, and this repeats no more.

Transmitting element 13, for sending to channel quality information base station 20.Base station 20 comprises receiving system 22, the channel quality information sending for receiving transmitting element 13, and wherein, channel quality information is to obtain according to described antenna configuration information.

The channel quality information that the dispensing device of the channel quality information that this embodiment provides obtains is the channel fading value of the non-pilot tone antenna that obtains according to the configuration information of base station, and the quality information then calculating according to pilot channel decline value and non-pilot channel decline value can be more accurate.

In addition, channel quality information is except obtaining pilot channel decline value and the calculating of non-pilot channel decline value according to the configuration information that receives base station transmission, this channel quality information also can comprise Reference Signal Received Power RSRP value, shown in Fig. 8, the sending method of a kind of Reference Signal Received Power RSRP value of the invention process profit comprises:

Step 801, receives the antenna configuration information that base station sends;

Step 802, obtains Reference Signal Received Power RSRP value according to described antenna configuration information;

Step 803, sends to base station by RSRP value.

Wherein step 802 specifically comprises: the channel fading value that obtains pilot tone antenna according to this antenna configuration information; According to the channel fading value of this pilot tone antenna, obtain RSPR value.Or, according to the channel fading value of this antenna configuration information acquisition pilot tone antenna; According to the channel fading value of this pilot tone antenna, obtain the channel fading value of non-pilot tone antenna; According to the channel fading value of the channel fading value of this pilot tone antenna and non-pilot tone antenna, obtain RSPR value.

Wherein according to obtaining RSPR value, specifically comprise: by each pilot tone antenna or with the RSPR value of each pilot tone antenna and non-pilot tone antenna, be merged into equivalent RSRP value; Or the RSPR value of each antenna port is merged into equivalent RSRP value; Or the RSPR value of each antenna port is merged into equivalent RSRP value is multiplied by weighted factor; Or the RSPR value of each antenna port is merged into equivalent RSRP value is multiplied by after weighted factor, then add a deviant, specifically will in embodiment, describe in detail below.

Wherein this is merged into the merging mode that equivalent RSRP value is concrete and comprises:

According to the channel matrix H of calculating, can calculate the RSRP (RSRQ of pilot channel and/or non-pilot channel, the measured value such as RSSI), if there are many antennas to receive, can be by the RSRP (RSRQ of each reception antenna, RSSI) etc. measured value carries out certain weighting and merges and revise, obtain the measured values such as RSRP (RSRQ, RSSI) of pilot channel and/or non-pilot channel.

Suppose that the RSRP value that pilot channel obtains is RSRP _iit is the sequence number of i pilot channel.The RSRP value that non-pilot channel obtains is RSRP _j, the sequence number that j is non-pilot channel.Then according to RSRP _iand RSRP _jcarry out certain weighting and merge and revise, obtain equivalent RSRP value.Concrete mode is as follows:

(1) high specific merges

$\mathrm{RSRP}=\sqrt{\mathrm{\&alpha;}\underset{i=1}{\overset{\mathrm{<figure-callout\; id="2"\; label="N\; RSRP\; i"\; filenames="H2008101816952E00022.png"\; state="\{\{state\}\}">N</figure-callout>}}{\mathrm{\&Sigma;}}}{\mathrm{RSRP}}_i^{}{}_2^{}+\mathrm{\&beta;}\underset{j=1}{\overset{\mathrm{<figure-callout\; id="2"\; label="M\; RSRP\; j"\; filenames="H2008101816952E00022.png"\; state="\{\{state\}\}">M</figure-callout>}}{\mathrm{\&Sigma;}}}{\mathrm{RSRP}}_j^{}{}_2^{}}+\mathrm{\&gamma;},$

(2) selectivity merges

RSRP＝max(αRSRP _i，βRSRP _j)+γ

(3) linear combining, suitable Weight selected can be corresponding to the effect of transmit diversity.

$\mathrm{RSRP}=\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{\&alpha;}}_i{\mathrm{RSRP}}_i+\underset{j=1}{\overset{M}{\mathrm{\&Sigma;}}}{\mathrm{\&beta;}}_i{\mathrm{RSRP}}_i+\mathrm{\&gamma;}$

(4) merge for how much

$\mathrm{RSRP}={\left[\underset{i=1}{\overset{N}{\mathrm{\&Pi;}}}{\mathrm{RSRP}}_i\underset{i=1}{\overset{M}{\mathrm{\&Pi;}}}{\left({\mathrm{RSRP}}_j\right)}^{\mathrm{\&beta;}}\right]}^{1/(\mathrm{NL}+\mathrm{\&beta;}\&CenterDot;m)}+\mathrm{\&gamma;}$

When β=0, represent that non-pilot channel does not participate in calculating, β=1 represents that non-pilot channel participates in calculating.Wherein, α, beta, gamma is weight coefficient, can get different values, and wherein RSRPi is the RSRP value that i pilot tone antenna is corresponding, and RSRPj is j RSRP value corresponding to non-pilot tone body antenna.In addition, this embodiment only describes the mode that RSRP value obtains, and other measured values such as RSRQ, RSSI are processed by the mode identical with RSRP, and this repeats no more.

Example 1: if 8 of base stations physical antenna, the Fig. 5 of take specifically sets forth the sending method of Reference Signal Received Power RSRP value as example, supposes that 1,2,3,4 merge as antenna port 0; 5,6,7,8 merge as antenna port 1.UE can record RSRP0 and the RSRP1 of antenna port 0 and antenna port 1.Here 1,2,3,4th, same polarization mode; 5,6,7,8 can be another kind of polarization mode, can certainly be with 1,2,3,4th, and same polarization mode.

By antenna port 0 and the RSRP0 of antenna port 1 and the value of RSRP1.

According to (1) to (3) merging method, obtain equivalent RSRP, and report base station after certain processing.

Example 2: if 8 of base stations physical antenna be take Fig. 5 as example, suppose that physical antenna 1 is as antenna port 0; Physical antenna 5 is as antenna port 1.Two ports above send CRS; Remaining physical antenna does not send CRS. physical antenna 1 and physical antenna 5 can be identical or different polarization mode, and UE can record RSRP0 and the RSRP1 of antenna port 0 and antenna port 1.Antenna port 0 and the RSRP0 of antenna port 1 and the value of RSRP1 are obtained to equivalent RSRP according to certain merging method _effective0.Because remaining physical antenna does not send CRS, can think that it is independently, according to the signaling of base station, can determine to add Last Offset on the basis of the RSRP that whether can obtain after merging, as above-mentioned 8 antennas, estimate the RSRP of two antennas, then added 10*log3=4.7dB on this basis.

Be RSRP _effective=α RSRP _effective0+ β, α is weighted factor, can be invariant for 1, β, can be 4.7dB.Or directly the RSRPeffective0 after merging is directly reported or reported.

Example 3: if 8 of base stations physical antenna be take Fig. 5 as example, suppose that physical antenna 1 is as antenna port 0; Physical antenna 5 is as antenna port 1.Two ports above send CRS; Suppose that physical antenna 4 is as antenna port 2; Physical antenna 8 is as antenna port 3.Two ports above send CRS.Remaining physical antenna does not send CRS. physical antenna 1 and physical antenna 5 can be identical or different polarization mode.According to the signaling of base station, determine of several and which antenna port to make the measurement of RSRP.UE can record RSRP0 and the RSRP1 of antenna port 0 and antenna port 1, and RSRP2 and RSRP3 that UE can record antenna port 2 and antenna port 3 obtain equivalent RSRP by the value of the RSRP of antenna port 0 to 3 according to certain merging method _effective0.If notice UE in base station carries out correction or the UE oneself of RSRP, itself revise, can, by the method for difference estimate the to haunt channel value of physical antenna of transmission CRS, then calculate its RSRP _moddifyvalue, and then this basis is above revised equivalent RSRPeffective0 value obtained above.

As RSRP _effective=aRSRP _effective0+ (1-α) RSRP _moddify+ β, α is weighted factor, β is invariant.Or by RSRP0, RSRP1, RSRP2 and RSRP3 and RSRP _moddifytreat on an equal basis, utilize the merging method of introducing to merge above.Because remaining physical antenna does not send CRS, can think that it is independently, on the basis of the RSRPeffective0 that can obtain, add constant offset, i.e. a RSRP after merging _effective=α RSRP _effective0+ β, α is weighted factor, β is invariant.Or UE directly reports RSRPeffective0, by base station, is processed.The measurement of RSRP value need to be done according to several and which antenna port the measurement of RSRP, by base station, by downlink signaling, notified, in addition as a plurality of antenna ports measure and whether need to revise and how to revise and by base station, by downlink signaling, notified or UE decides in its sole discretion, as long as meet the demands.

Example 4: if 8 of base stations physical antenna be take Fig. 5 as example, at a time suppose that physical antenna 1 is as antenna port 0, physics 5 antennas are as antenna port 1, and two ports above send CRS, and remaining physical antenna does not send CRS.At next, physics 2 is as antenna port 0 constantly, and physics 6 is as antenna port 1, and two ports above send CRS, and remaining physical antenna does not send CRS.The rest may be inferred, and cycle period can be configured according to top signaling.The polarization mode of physical antenna 1 and physical antenna 5 can be arbitrarily.UE can record RSRP0 and the RSRP1 of each moment antenna port 0 and antenna port 1.Antenna antenna port 0 and the RSRP0 of antenna port 1 and the value of RSRP1 are obtained to RSRPeffective0 according to certain merging method.Or according to the method for embodiment 3, RSRPeffective0 revised and report

Example 5: if 8 of base stations physical antenna be take Fig. 5 as example, at a time suppose that physical antenna 1 is as antenna port 0, this port sends CRS, and remaining physical antenna does not send CRS.Physical antenna 5 is as antenna port 0 constantly for next, and this port sends CRS, and remaining physical antenna does not send CRS.UE can record each RSRP0 constantly of antenna port 0, the RSRP0 recording is carried out to obtain RSRPeffective0 after certain processing and report, or according to the method for embodiment 3, RSRPeffective0 revised and report.

In addition, example 1 above to example 5 just be take Fig. 5 and is described as example, and other antenna setting is also applicable to this embodiment as the antenna setting of figure Fig. 2, Fig. 3, Fig. 4, and this illustrates no longer one by one.

Example 6: take Fig. 6 as example, suppose that each AP has a plurality of physical antennas, as AP1 has 4 physical antennas, AP2 has 4 physical antennas, the only corresponding antenna port of 4 physical antennas of AP1 is as port0, and corresponding another physical port of 4 physical antennas of AP2 is as port1.AP1 and AP2 are distributed in different geographical position.The CRS that antenna port is corresponding can fix or repeating query or simultaneously send in each physical antenna or physical antenna combination.UE records the RSRP of corresponding ports, then after merging and processing correction, reports base station.Can adopt the similar method of embodiment 3.

In addition, Fig. 8, the sending method of Reference Signal Received Power RSRP value is that the configuration information that receives base station with UE obtains, as shown in Figure 9, the sending method of examining signal received power RSRP value also obtains with the indication of reception base station, specifically comprises the steps:

Step 901: receive the indication that base station sends;

Step 902: obtain Reference Signal Received Power RSRP value according to described indication;

Step 903: RSRP value is sent to base station.

Wherein, indication in step 901, comprises and uses whole antenna ports to obtain RSRP value, or uses part antenna port to obtain RSRP value.

In addition, the embodiment of the present invention provides a kind of dispensing device of Reference Signal Received Power RSRP value, comprising: receiving element, the antenna configuration information sending in order to receive base station; Obtain unit, in order to obtain Reference Signal Received Power RSRP value according to described antenna configuration information; Transmitting element, in order to send to base station by RSRP value.Wherein the dispensing device of this embodiment is in order to process the correlation step of the sending method embodiment of above-mentioned Reference Signal Received Power RSRP value, and therefore concrete processing procedure has detailed description in embodiment of the method, and this repeats no more.

One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.

Although pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and described, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.

Claims (20)

1. a sending method for channel quality information, is characterized in that:

Receive the antenna configuration information that base station sends; Described antenna configuration information is the information that base station configures according to different aerial positions; Wherein, described antenna comprises pilot tone antenna and non-pilot tone antenna;

The described antenna configuration information sending according to base station obtains channel quality information CQI;

Channel quality information is sent to base station.

2. method according to claim 1, wherein saidly obtains channel quality information according to described antenna configuration information and specifically comprises:

According to described antenna configuration information, obtain the channel fading value of pilot tone antenna;

According to the channel fading value of described pilot tone antenna, obtain the channel fading value of non-pilot tone antenna;

According to the channel fading value of the channel fading value of described pilot tone antenna and non-pilot tone antenna, obtain channel quality information.

3. method according to claim 2, wherein,

If described antenna is even linear array, the antenna configuration information that described reception base station sends specifically comprises: number of antennas, strong correlation antenna, antenna are even linear array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna;

If described antenna is uniform circular array, the antenna configuration information that described reception base station sends specifically comprises: number of antennas, strong correlation antenna, antenna are uniform circular array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna;

If described antenna is poliarizing antenna, the antenna configuration information that described reception base station sends specifically comprises: the antenna sets being comprised of a horizontal antenna and vertical antenna in number of antennas, strong correlation antenna, poliarizing antenna, poliarizing antenna is even linear array, pilot tone antenna and non-pilot tone antenna;

If described antenna is access point AP, the antenna configuration information that described reception base station sends specifically comprises: whether No. AP, number of antennas, strong correlation antenna, antenna are even linear array or uniform circular array, pilot tone antenna and non-pilot tone antenna and are poliarizing antenna.

4. method according to claim 3, wherein,

If described antenna is even linear array, the channel fading value that the described channel fading value according to described pilot tone antenna obtains non-pilot tone antenna specifically comprises: the channel fading value of described pilot tone antenna is calculated to the channel fading value of described non-pilot tone antenna by linear interpolation or interpolation by proportional parts;

If described antenna is uniform circular array, the channel fading value that the described channel fading value according to described pilot tone antenna obtains non-pilot tone antenna specifically comprises: the channel fading value of described pilot tone antenna is calculated to the channel fading value of described non-pilot tone antenna by linear interpolation;

If described antenna is poliarizing antenna, the channel fading value that the described channel fading value according to described pilot tone antenna obtains non-pilot tone antenna specifically comprises: the channel fading value of described pilot tone antenna is calculated to the channel fading value of described non-pilot tone antenna by linear interpolation;

If described antenna is access point AP, the channel fading value that the described channel fading value according to described pilot tone antenna obtains non-pilot tone antenna specifically comprises: the channel fading value of described pilot tone antenna is calculated to the channel fading value of described non-pilot tone antenna by linear interpolation or interpolation by proportional parts.

5. the method described in any one according to claim 1 to 4, wherein obtains channel quality information according to the channel fading value of the channel fading value of described pilot tone antenna and non-pilot tone antenna and specifically comprises:

According to the channel fading value of the channel fading value of described pilot tone antenna and non-pilot tone antenna, obtain channel matrix;

According to described channel matrix, obtain receiving terminal signal to noise ratio;

According to described receiving terminal signal to noise ratio, obtain channel quality information.

6. method according to claim 1, if described antenna is stand-alone antenna, described antenna configuration information specifically comprises: number of antennas, stand-alone antenna.

7. method according to claim 6, describedly obtains channel quality information according to described antenna configuration information and specifically comprises:

The signal to noise ratio obtaining according to the channel fading value of described pilot tone antenna;

According to signal to noise ratio, add that yield value obtains the signal to noise ratio of revising;

According to the signal to noise ratio of revising, obtain channel quality information.

8. a method of reseptance for channel quality information, is characterized in that:

Transmitting antenna configuration information is to subscriber equipment; Described antenna configuration information is the information that base station configures according to different aerial positions; Wherein, described antenna comprises pilot tone antenna and non-pilot tone antenna;

Receive the channel quality information CQI that subscriber equipment sends, wherein said channel quality information CQI is that the antenna configuration information sending by base station obtains.

9. method according to claim 8, wherein said channel quality information CQI is that the antenna configuration information that sends by base station obtains and specifically comprises:

According to described antenna configuration information, obtain the channel fading value of pilot tone antenna;

According to the channel fading value of described pilot tone antenna, obtain the channel fading value of non-pilot tone antenna;

According to the channel fading value of the channel fading value of described pilot tone antenna and non-pilot tone antenna, obtain channel quality information.

10. method according to claim 9, wherein,

If described antenna is even linear array, the antenna configuration information that described reception base station sends specifically comprises: number of antennas, strong correlation antenna, antenna are even linear array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna;

If described antenna is uniform circular array, the antenna configuration information that described reception base station sends specifically comprises: number of antennas, strong correlation antenna, antenna are uniform circular array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna;

If described antenna is poliarizing antenna, the antenna configuration information that described reception base station sends specifically comprises: the antenna sets being comprised of a horizontal antenna and vertical antenna in number of antennas, strong correlation antenna, poliarizing antenna, poliarizing antenna is even linear array, pilot tone antenna and non-pilot tone antenna;

If described antenna is access point AP, the antenna configuration information that described reception base station sends specifically comprises: whether No. AP, number of antennas, strong correlation antenna, antenna are even linear array or uniform circular array, pilot tone antenna and non-pilot tone antenna and are poliarizing antenna.

The dispensing device of 11. 1 kinds of channel quality informations, is characterized in that:

Receiving element, the antenna configuration information sending for receiving base station; Described antenna configuration information is the information that base station configures according to different aerial positions; Wherein, described antenna comprises pilot tone antenna and non-pilot tone antenna;

Acquiring unit, obtains channel quality information CQI for the described antenna configuration information sending according to base station;

Transmitting element, for sending to base station by channel quality information.

12. devices according to claim 10, wherein said acquiring unit specifically comprises:

First obtains subelement, for obtain the channel fading value of pilot tone antenna according to described antenna configuration information;

Second obtains subelement, for obtain the channel fading value of non-pilot tone antenna according to the channel fading value of described pilot tone antenna;

The 3rd obtains subelement, for obtaining channel quality information according to the channel fading value of the channel fading value of described pilot tone antenna and non-pilot tone antenna.

13. devices according to claim 11, wherein,

If described antenna is even linear array, described antenna configuration information specifically comprises: number of antennas, strong correlation antenna, antenna are even linear array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna;

If described antenna is uniform circular array, described antenna configuration information specifically comprises: number of antennas, strong correlation antenna, antenna are uniform circular array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna;

If described antenna is poliarizing antenna, described antenna configuration information specifically comprises: the antenna sets being comprised of a horizontal antenna and vertical antenna in number of antennas, strong correlation antenna, poliarizing antenna, poliarizing antenna is even linear array, pilot tone antenna and non-pilot tone antenna;

If described antenna is access point AP, the antenna configuration information that described reception base station sends specifically comprises: whether No. AP, number of antennas, strong correlation antenna, antenna are even linear array or uniform circular array, pilot tone antenna and non-pilot tone antenna and are poliarizing antenna.

The receiving system of 14. 1 kinds of channel quality informations, is characterized in that:

Transmitting element, for to subscriber equipment transmitting antenna configuration information; Described antenna configuration information is the information that base station configures according to different aerial positions; Wherein, described antenna comprises pilot tone antenna and non-pilot tone antenna;

Receiving system, the channel quality information CQI sending for receiving subscriber equipment, wherein, channel quality information CQI is that the described antenna configuration information sending according to base station obtains.

The sending method of 15. 1 kinds of Reference Signal Received Power RSRP values, is characterized in that:

Receive the antenna configuration information that base station sends; Described antenna configuration information is the information that base station configures according to different aerial positions; Wherein, described antenna comprises pilot tone antenna and non-pilot tone antenna;

The described antenna configuration information sending according to base station obtains Reference Signal Received Power RSRP value;

RSRP value is sent to base station;

Wherein according to described antenna configuration information, obtaining Reference Signal Received Power RSRP value specifically comprises:

According to described antenna configuration information, obtain the channel fading value of pilot tone antenna; According to the channel fading value of described pilot tone antenna, obtain RSRP value; Or

According to described antenna configuration information, obtain the channel fading value of pilot tone antenna; According to the channel fading value of described pilot tone antenna, obtain the channel fading value of non-pilot tone antenna; According to the channel fading value of the channel fading value of described pilot tone antenna and non-pilot tone antenna, obtain RSRP value.

16. methods according to claim 15, wherein said acquisition RSRP value specifically comprises:

The RSRP value of each pilot tone antenna RSRP value or each pilot tone antenna and non-pilot tone antenna is merged into equivalent RSRP value; Or

The RSRP value of each antenna port is merged into equivalent RSRP value; Or

The RSRP value of each antenna port is merged into equivalent RSRP value and is multiplied by weighted factor; Or

The RSRP value of each antenna port is merged into equivalent RSRP value and is multiplied by after weighted factor, then add a deviant.

17. methods according to claim 16, are wherein saidly merged into the merging mode that equivalent RSRP value is concrete and comprise:

High specific merges mode, i.e. equivalence $\mathrm{RSRP}=\sqrt{\mathrm{\&alpha;}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{RSRP}}_i^2+\mathrm{\&beta;}\underset{j=1}{\overset{M}{\mathrm{\&Sigma;}}}{\mathrm{RSRP}}_j^2}+\mathrm{\&gamma;},$ Or

Selectivity merges mode, i.e. equivalent RSRP=max (α RSRP _i, β RSRP _j)+γ, or

Linear combining mode, i.e. equivalence $\mathrm{RSRP}=\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{\&alpha;}}_i{\mathrm{RSRP}}_i+\underset{j=1}{\overset{M}{\mathrm{\&Sigma;}}}{\mathrm{\&beta;}}_i{\mathrm{RSRP}}_j+\mathrm{\&gamma;},$ Or

How much merging modes, i.e. equivalence $\mathrm{RSRP}={\left[\underset{i=1}{\overset{N}{\mathrm{\&Pi;}}}{\mathrm{RSRP}}_i\underset{i=1}{\overset{M}{\mathrm{\&Pi;}}}{\left({\mathrm{RSRP}}_j\right)}^{\mathrm{\&beta;}}\right]}^{1/(N+\mathrm{\&beta;}\&CenterDot;M)}+\mathrm{\&gamma;};$ Or

The mode that adopts transmit diversity or day line options, it is corresponding to linear combining mode α _i, β _i, γ gets specific value;

Wherein, α, beta, gamma is weight coefficient, wherein RSRP _ibe the RSRP value that i pilot tone antenna is corresponding, RSRP _jbe j RSRP value corresponding to non-pilot tone body antenna.

18. according to claim 15 to 17 the method described in any one, wherein,

If described antenna is even linear array, described antenna configuration information specifically comprises: number of antennas, strong correlation antenna, antenna are even linear array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna;

If described antenna is uniform circular array, described antenna configuration information specifically comprises: number of antennas, strong correlation antenna, antenna are uniform circular array, pilot tone antenna and non-pilot tone antenna and are not poliarizing antenna;

If described antenna is poliarizing antenna, described antenna configuration information specifically comprises: the antenna sets being comprised of a horizontal antenna and vertical antenna in number of antennas, strong correlation antenna, poliarizing antenna, poliarizing antenna is even linear array, pilot tone antenna and non-pilot tone antenna;

If described antenna is access point AP, described antenna configuration information specifically comprises: whether No. AP, number of antennas, strong correlation antenna, antenna are even linear array or uniform circular array, pilot tone antenna and non-pilot tone antenna and are poliarizing antenna.

19. methods according to claim 18, wherein,

If described antenna is even linear array, the channel fading value that the described channel fading value according to described pilot tone antenna obtains non-pilot tone antenna specifically comprises: the channel fading value of described pilot tone antenna is calculated to the channel fading value of described non-pilot tone antenna by linear interpolation or interpolation by proportional parts;

If described antenna is uniform circular array, the channel fading value that the described channel fading value according to described pilot tone antenna obtains non-pilot tone antenna specifically comprises: the channel fading value of described pilot tone antenna is calculated to the channel fading value of described non-pilot tone antenna by linear interpolation;

If described antenna is poliarizing antenna, the channel fading value that the described channel fading value according to described pilot tone antenna obtains non-pilot tone antenna specifically comprises: the channel fading value of described pilot tone antenna is calculated to the channel fading value of described non-pilot tone antenna by linear interpolation.

If described antenna is access point AP, the channel fading value that the described channel fading value according to described pilot tone antenna obtains non-pilot tone antenna specifically comprises: the channel fading value of described pilot tone antenna is calculated to the channel fading value of described non-pilot tone antenna by linear interpolation or interpolation by proportional parts.

The dispensing device of 20. 1 kinds of Reference Signal Received Power RSRP values, is characterized in that:

Receiving element, the antenna configuration information sending in order to receive base station; Described antenna configuration information is the information that base station configures according to different aerial positions; Wherein, described antenna comprises pilot tone antenna and non-pilot tone antenna;

Obtain unit, in order to the described antenna configuration information sending according to base station, obtain Reference Signal Received Power RSRP value; Wherein according to described antenna configuration information, obtaining Reference Signal Received Power RSRP value specifically comprises: the channel fading value that obtains pilot tone antenna according to described antenna configuration information; According to the channel fading value of described pilot tone antenna, obtain RSRP value; Or, according to the channel fading value of described antenna configuration information acquisition pilot tone antenna; According to the channel fading value of described pilot tone antenna, obtain the channel fading value of non-pilot tone antenna; According to the channel fading value of the channel fading value of described pilot tone antenna and non-pilot tone antenna, obtain RSRP value;

Transmitting element, in order to send to base station by RSRP value.

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