CN101605003B - Methods and devices for measuring interference signal code power (ISCP) - Google Patents

Abstract

The invention provides a method for measuring interference signal code power (ISCP). The method comprises the following steps: confirming the power of a receiving signal of a data segment to be measured and the power of a usable signal of a training code position to be measured; and obtaining the ISCP of the data segment to be measured according to the power of the receiving signal of the data segment to be measured and the power of the usable signal of the training code position to be measured. The invention also provides another method for measuring ISCP and two devices for measuring ISCP. The invention can obtain the ISCP of each data segment to be measured, instead of only the ISCP of the training code position. Accordingly, the methods and the devices can be utilized to obtain ISCP which is as correct as possible and objectively reflects the interference conditions of the whole time slot.

Description

The method of measurement of Interference Signal Code Power and device

Technical field

The present invention relates to wireless communication technology, relate in particular to the measuring technique of Interference Signal Code Power (ISCP, InterferenceSignal Code Power).

Background technology

Along with the progressively construction of the 3rd generation (3G, The Third Generation) mobile communications network, the coverage of mobile communications network is more and more wider.Time division duplex (TDD, Time Division Duplex) system is exactly an a kind of typical 3G system.In the TDD system, the frequency that transmits is identical with the frequency that receives signal, in case the transmission signal of a base station falls into the receiving slot of another base station, then will inevitably cause interference to said another base station.Simultaneously, because the coexistence of diverse network for TD SDMA (TD-SCDMA, Time Division Synchronization Code Division MultipleAccess) system, also exists outside the system and disturbs.These interference can cause that interference level changes greatly in the time slot, and wherein, that in time slot, disturbs is distributed as uneven distribution.

For interference is estimated, need measure ISCP earlier.In the TD-SCDMA system, the method for traditional measurement ISCP is to measure the ISCP of midamble code (midamble) position in the time slot.But; Because disturbing is uneven distribution in time slot; And the method for traditional measurement ISCP only can obtain the ISCP of midamble code position; Can't obtain the ISCP of other positions (data segment), so the ISCP that the method for traditional measurement ISCP obtains can not be correctly and reflected the disturbed condition of whole time slot objectively.

Summary of the invention

The technical problem that the present invention will solve provides the method for measurement and the device of Interference Signal Code Power, so that the ISCP that obtains correctly and objectively reflects the disturbed condition of whole time slot as far as possible.

The present invention provides a kind of method of measurement of Interference Signal Code Power, comprising: the power of useful signal of power and midamble code position of confirming the reception signal of data segment to be measured; According to the power of the useful signal of the power of the reception signal of said data segment to be measured and midamble code position, obtain the Interference Signal Code Power of said data segment to be measured.

The present invention provides a kind of measurement mechanism of Interference Signal Code Power, comprising: confirm the unit, be used for confirming the power of useful signal of power and midamble code position of the reception signal of data segment to be measured; Interference Signal Code Power obtains the unit, and the power of the power of the reception signal of the data segment to be measured that is used for confirming according to said definite unit and the useful signal of midamble code position obtains the Interference Signal Code Power of said data segment to be measured.

The present invention provides a kind of method of measurement of Interference Signal Code Power, comprising: the power of reception signal of Interference Signal Code Power and data segment to be measured of confirming the midamble code position is with respect to the deviation of the power of the reception signal of said midamble code position; According to the Interference Signal Code Power and the said deviation of said midamble code position, obtain the Interference Signal Code Power of said data segment to be measured.

The present invention provides a kind of measurement mechanism of Interference Signal Code Power; Comprise: confirm the unit, the power of reception signal of Interference Signal Code Power and data segment to be measured that is used for confirming the midamble code position is with respect to the deviation of the power of the reception signal of said midamble code position; Interference Signal Code Power obtains the unit, and the Interference Signal Code Power and the said deviation of the said midamble code position that is used for confirming according to said definite unit obtain the Interference Signal Code Power of said data segment to be measured.

In the method for measurement and device of Interference Signal Code Power of the present invention, can obtain the Interference Signal Code Power of each data segment to be measured, rather than only obtain the Interference Signal Code Power of midamble code position.This shows, utilize method of the present invention and device, can make the ISCP of acquisition correctly and objectively reflect the disturbed condition of whole time slot as far as possible.

Description of drawings

Fig. 1 is the method for measurement flow chart of first kind of Interference Signal Code Power of the present invention;

Fig. 2 is the structural representation of the measurement mechanism of first kind of Interference Signal Code Power of the present invention;

Fig. 3 is the method for measurement flow chart of second kind of Interference Signal Code Power of the present invention;

Fig. 4 is the division sketch map of data segment to be measured in a kind of time slot of the present invention.

Embodiment

At first the method for measurement to first kind of Interference Signal Code Power of the present invention describes.As shown in Figure 1, comprising:

Step S101: the power of useful signal of power and midamble code position of confirming the reception signal of data segment to be measured.

Data segment to be measured can be meant in the time slot needs the data measured section; Can comprise a plurality of data segments to be measured in the time slot; The corresponding a plurality of chips (chip) of data segment to be measured, for ease of describing, data segment to be measured also can be called measurement point.The power of the reception signal of data segment to be measured can be meant the reception signal strength signal intensity indication (RSSI, Received SignalStrength Indication) of said data segment to be measured.The power of the useful signal of the midamble code position here can be meant all users' of this sub-district of said midamble code position received signal code power (RSCP, Received Signal CodePower) sum.

Step S102:, obtain the Interference Signal Code Power of said data segment to be measured according to the power of the useful signal of the power of the reception signal of said data segment to be measured and midamble code position.

Concrete, can obtain the Interference Signal Code Power of said data segment to be measured in the following manner:

ISCP[n]＝RSSI[n]-RSCP _mid

Wherein, n representes data segment n to be measured, and ISCP [n] is the Interference Signal Code Power of data segment n to be measured, and RSSI [n] is the RSSI of data segment n to be measured, RSCP _MidReceived signal code power for all users of this sub-district of said midamble code position.

RSSI [n] can be confirmed by following manner:

$\mathrm{RSSI}[n]=\frac{\underset{\mathrm{ka}=0}{\overset{\mathrm{Ka}\_\mathrm{Num}-1}{\mathrm{\Σ}}}\underset{i=0}{\overset{\mathrm{length}-1}{\mathrm{\Σ}}}{\left|e_{\mathrm{ka},n*\mathrm{length}+i}\right|}^2}{\mathrm{Ka}\_\mathrm{Num}*\mathrm{Length}},n=0,1,\·\·\·,\mathrm{Part}\_\mathrm{Num}-1$

Wherein, Ka_Num is the quantity of antenna, and Length is the corresponding number of chips of data segment n to be measured, e _{Ka, i}Be the reception signal according to the corresponding number of chips institute intercepting of the number of needed data segment to be measured and data segment n to be measured, Part_Num is the quantity of the data segment to be measured in the data segment n place time slot to be measured.

Optional, after step S102, said method can also comprise:

Step S103: when the Interference Signal Code Power of all data segments to be measured that obtain said data segment to be measured place time slot; Interference Signal Code Power to said all data segments to be measured averages or interpolation processing, obtains the Interference Signal Code Power that said data segment to be measured belongs to time slot.Afterwards, can in needs, report the Interference Signal Code Power of the data segment place time slot said to be measured that obtains.

Need to prove that the executive agent of each step in the method for measurement of above-mentioned Interference Signal Code Power can be the base station.

The method of measurement of first kind of Interference Signal Code Power can be realized by the device of various ways.As shown in Figure 2, the measurement mechanism of a kind of Interference Signal Code Power wherein can comprise: confirm unit 201, be used for confirming the power of useful signal of power and midamble code position of the reception signal of data segment to be measured; Interference Signal Code Power obtains unit 202, is used for the power according to the useful signal of the power of the reception signal of confirming the data segment to be measured that unit 201 is confirmed and midamble code position, obtains the Interference Signal Code Power of said data segment to be measured.

The power of the reception signal of the data segment to be measured here can be meant the RSSI of said data segment to be measured.The power of the useful signal of the midamble code position here can be meant all users' of this sub-district of said midamble code position received signal code power sum.

Interference Signal Code Power obtains the Interference Signal Code Power that unit 202 can obtain said data segment to be measured in the following manner:

ISCP[n]＝RSSI[n]-RSCP _mid

Wherein, n representes data segment n to be measured, and ISCP [n] is the Interference Signal Code Power of data segment n to be measured, and RSSI [n] is the RSSI of data segment n to be measured, RSCP _MidReceived signal code power for all users of this sub-district of said midamble code position.

RSSI [n] can obtain unit 202 by Interference Signal Code Power and use following manner to confirm:

$\mathrm{RSSI}[n]=\frac{\underset{\mathrm{ka}=0}{\overset{\mathrm{Ka}\_\mathrm{Num}-1}{\mathrm{\Σ}}}\underset{i=0}{\overset{\mathrm{length}-1}{\mathrm{\Σ}}}{\left|e_{\mathrm{ka},n*\mathrm{length}+i}\right|}^2}{\mathrm{Ka}\_\mathrm{Num}*\mathrm{Length}},n=0,1,\·\·\·,\mathrm{Part}\_\mathrm{Num}-1$

Wherein, Ka_Num is the quantity of antenna, and Length is the corresponding number of chips of data segment n to be measured, e _{Ka, i}Be the reception signal according to the corresponding number of chips institute intercepting of the number of needed data segment to be measured and data segment n to be measured, Part_Num is the quantity of the data segment to be measured in the data segment n place time slot to be measured.

Optional; The measurement mechanism of above-mentioned Interference Signal Code Power can also comprise: Interference Signal Code Power processing unit 203; Be used for when Interference Signal Code Power obtains unit 202 and obtains the Interference Signal Code Power of all data segments to be measured of said data segment place time slot to be measured; The Interference Signal Code Power that Interference Signal Code Power is obtained all data segments to be measured that unit 202 obtains averages or interpolation processing, obtains the Interference Signal Code Power of said data segment place time slot to be measured.In addition; The measurement mechanism of above-mentioned Interference Signal Code Power can also comprise and reports unit (not illustrating among the figure); Be used in needs, the data segment said to be measured that reports Interference Signal Code Power processing unit 203 to obtain belongs to the Interference Signal Code Power of time slot.

Need to prove; Each unit in the measurement mechanism of above-mentioned Interference Signal Code Power can be provided with or be applied in the base station; The working method of these unit in the base station is identical with working method in the measurement mechanism of above-mentioned Interference Signal Code Power, repeats no more here.

Except that method of measurement that above-mentioned first kind of Interference Signal Code Power is provided and device, the present invention also provides the method for measurement and the device of second kind of Interference Signal Code Power.

The flow process of the method for measurement of second kind of Interference Signal Code Power is as shown in Figure 3, comprising:

Step S301: the power of reception signal of Interference Signal Code Power and data segment to be measured of confirming the midamble code position is with respect to the deviation of the power of the reception signal of said midamble code position.

The power of the reception signal of the data segment to be measured here can be meant the RSSI of said data segment to be measured, and the power of the reception signal of the midamble code position here can be meant the RSSI of said midamble code position.

Concrete, the power of reception signal that can confirm data segment to be measured in the following manner is with respect to the deviation of the power of the reception signal of said midamble code position:

δ[n]＝RSSI[n]-RSSI _mid

Wherein, n representes data segment n to be measured, and δ [n] is said deviation, and RSSI [n] is the RSSI of data segment n to be measured, RSSI _MidRSSI for said midamble code position.

RSSI [n] can be confirmed by following manner:

$\mathrm{RSSI}[n]=\frac{\underset{\mathrm{ka}=0}{\overset{\mathrm{Ka}\_\mathrm{Num}-1}{\mathrm{\Σ}}}\underset{i=0}{\overset{\mathrm{length}-1}{\mathrm{\Σ}}}{\left|e_{\mathrm{ka},n*\mathrm{length}+i}\right|}^2}{\mathrm{Ka}\_\mathrm{Num}*\mathrm{Length}},n=0,1,\·\·\·,\mathrm{Part}\_\mathrm{Num}-1$

Wherein, Ka_Num is the quantity of antenna, and Length is the corresponding number of chips of data segment n to be measured, e _{Ka, i}Be the reception signal according to the corresponding number of chips institute intercepting of the number of needed data segment to be measured and data segment n to be measured, Part_Num is the quantity of the data segment to be measured in the data segment n place time slot to be measured.

RSSI _MidCan confirm by following manner:

${\mathrm{RSSI}}_{\mathrm{mid}}=\frac{\underset{\mathrm{ka}=0}{\overset{\mathrm{Ka}\_\mathrm{Num}-1}{\mathrm{\Σ}}}\underset{i=0}{\overset{127}{\mathrm{\Σ}}}{\left|e_{\mathrm{ka},i}\right|}^2}{\mathrm{Ka}\_\mathrm{Num}*128}$

Wherein, Ka_Num is the quantity of antenna, e _{Ka, i}Reception signal for the midamble code position.

Step S302:, obtain the Interference Signal Code Power of said data segment to be measured according to the Interference Signal Code Power and the said deviation of said midamble code position.

Concrete, can obtain the Interference Signal Code Power of said data segment to be measured in the following manner:

ISCP[n]＝ISCP _mid+δ[n]

Wherein, n representes data segment n to be measured, and ISCP [n] is the Interference Signal Code Power of data segment n to be measured, ISCP _MidBe the Interference Signal Code Power of said midamble code position, ε [n] is said deviation.

Optional, after step S302, said method can also comprise:

Step S303: when the Interference Signal Code Power of all data segments to be measured that obtain said data segment to be measured place time slot; Interference Signal Code Power to said all data segments to be measured averages or interpolation processing, obtains the Interference Signal Code Power that said data segment to be measured belongs to time slot.Afterwards, can in needs, report the Interference Signal Code Power of the data segment place time slot said to be measured that obtains.

Need to prove that the executive agent of each step in the method for measurement of above-mentioned Interference Signal Code Power can be the base station.

The method of measurement of second kind of Interference Signal Code Power can be realized by the device of various ways.Please continue referring to Fig. 2; The measurement mechanism of a kind of Interference Signal Code Power wherein can comprise: confirm unit 201, the power of reception signal of Interference Signal Code Power and data segment to be measured that is used for confirming the midamble code position is with respect to the deviation of the power of the reception signal of said midamble code position; Interference Signal Code Power obtains unit 202, is used for according to Interference Signal Code Power and the said deviation of confirming the said midamble code position that unit 201 is confirmed, obtains the Interference Signal Code Power of said data segment to be measured.

The power of the reception signal of the data segment to be measured here can be meant the RSSI of said data segment to be measured, and the power of the reception signal of the midamble code position here can be meant the RSSI of said midamble code position.

The power of confirming can confirm data segment to be measured in the following manner in unit 201 of reception signal is with respect to the deviation of the power of the reception signal of said midamble code position:

ε[n]＝RSSI[n]-RSSI _mid

Wherein, n representes data segment n to be measured, and δ [n] is said deviation, and RSSI [n] is the RSSI of data segment n to be measured, RSSI _MidRSSI for said midamble code position.

RSSI [n] can be confirmed by following manner:

$\mathrm{RSSI}[n]=\frac{\underset{\mathrm{ka}=0}{\overset{\mathrm{Ka}\_\mathrm{Num}-1}{\mathrm{\Σ}}}\underset{i=0}{\overset{\mathrm{length}-1}{\mathrm{\Σ}}}{\left|e_{\mathrm{ka},n*\mathrm{length}+i}\right|}^2}{\mathrm{Ka}\_\mathrm{Num}*\mathrm{Length}},n=0,1,\·\·\·,\mathrm{Part}\_\mathrm{Num}-1$

Wherein, Ka_Num is the quantity of antenna, and Length is the corresponding number of chips of data segment n to be measured, e _{Ka, i}Be the reception signal according to the corresponding number of chips institute intercepting of the number of needed data segment to be measured and data segment n to be measured, Part_Num is the quantity of the data segment to be measured in the data segment n place time slot to be measured.

RSSI _MidCan confirm by following manner:

${\mathrm{RSSI}}_{\mathrm{mid}}=\frac{\underset{\mathrm{ka}=0}{\overset{\mathrm{Ka}\_\mathrm{Num}-1}{\mathrm{\Σ}}}\underset{i=0}{\overset{127}{\mathrm{\Σ}}}{\left|e_{\mathrm{ka},i}\right|}^2}{\mathrm{Ka}\_\mathrm{Num}*128}$

Wherein, Ka_Num is the quantity of antenna, e _{Ka, i}Reception signal for the midamble code position.

Interference Signal Code Power obtains the Interference Signal Code Power that unit 202 can obtain said data segment to be measured in the following manner:

ISCP[n]＝ISCP _mid+ε[n]

Wherein, n representes data segment n to be measured, and ISCP [n] is the Interference Signal Code Power of data segment n to be measured, ISCP _MidBe the Interference Signal Code Power of said midamble code position, δ [n] is said deviation.

Optional; The measurement mechanism of above-mentioned Interference Signal Code Power can also comprise: Interference Signal Code Power processing unit 203; Be used for when Interference Signal Code Power obtains unit 202 and obtains the Interference Signal Code Power of all data segments to be measured of said data segment place time slot to be measured; The Interference Signal Code Power that Interference Signal Code Power is obtained all data segments to be measured that unit 202 obtains averages or interpolation processing, obtains the Interference Signal Code Power of said data segment place time slot to be measured.In addition; The measurement mechanism of above-mentioned Interference Signal Code Power can also comprise and reports unit (not illustrating among the figure); Be used in needs, the data segment said to be measured that reports Interference Signal Code Power processing unit 203 to obtain belongs to the Interference Signal Code Power of time slot.

Need to prove; Each unit in the measurement mechanism of above-mentioned Interference Signal Code Power can be provided with or be applied in the base station; The working method of these unit in the base station is identical with working method in the measurement mechanism of above-mentioned Interference Signal Code Power, repeats no more here.

Because above-mentioned all embodiment have related to data segment to be measured; And the division of data segment to be measured can be decided according to the actual requirements in time slot; So; More clearly understanding the present invention for ease of those skilled in the art, is example with time slot TS1 below again, and the dividing mode of data segment to be measured in the time slot is described.

As shown in Figure 4, corresponding two data blocks of time slot TS1 and midamble code, two data blocks are respectively Data1 and Data2, the length of Data1 and Data2 is respectively 352chips.Consider the influence of smear and realize in the influence of main path position adjustment; Can forward and backward each 16chips of Data1 and Data2 be given up; 320chips in the middle of Data1 and Data2 get respectively carries out the calculating of Interference Signal Code Power, and Data1 and Data2 divide two data segments to be measured again respectively.As shown in Figure 4, Data1 is divided into data segment to be measured 1 and data segment 2 to be measured, and Data2 is divided into data segment to be measured 3 and data segment 4 to be measured, and the length of data segment 1,2,3,4 to be measured is respectively 160chips.In addition, the length of midamble code is 144chips.

Here need to prove; The dividing mode of data segment to be measured shown in Figure 4 only is an example of takeing for ease of those skilled in the art more clearly understand the dividing mode of data segment to be measured in the time slot; In practical application; Those skilled in the art can design the form that the to be measured data segment different with Fig. 4 divided fully according to actual needs; So the dividing mode of data segment to be measured shown in Figure 4 should not be used to limit the dividing mode of data segment to be measured in form and the time slot of data segment to be measured of the present invention.

In practical application, can measure the ISCP of all data segments to be measured in the time slot respectively, the ISCP of data segment again that all are to be measured averages or interpolation processing, obtains the ISCP of this time slot.And when measuring the ISCP of all data segments to be measured; Can measure the ISCP of each data segment to be measured according to the order of sequence, the ISCP that measures certain or some data segments to be measured earlier that also can be at random, the ISCP of the next or several down data segments to be measured of at random measurement more afterwards; By that analogy; Until the ISCP that measures all data segments to be measured, in addition, can also measure the ISCP of all data segments to be measured simultaneously.In a word, as long as can guarantee to measure the ISCP of all data segments to be measured, any measuring sequence all is feasible.

In addition; The measurement mechanism of first kind of Interference Signal Code Power shown in Figure 2 can have a definite unit 201 and an Interference Signal Code Power obtains unit 202; This confirms that unit 201 can be used for confirming the power of useful signal of power and midamble code position of the reception signal of all data segments to be measured; This Interference Signal Code Power acquisition unit 202 can be used for the power according to the useful signal of the power of the reception signal of confirming all data segments to be measured that unit 201 is confirmed and midamble code position, obtains the Interference Signal Code Power of all data segments to be measured.The measurement mechanism of Interference Signal Code Power shown in Figure 2 also can have a plurality of definite unit 201 and obtain unit 202 with a plurality of Interference Signal Code Powers; Each confirms that unit 201 can only be used for confirming the power of useful signal of power and midamble code position of the reception signal of a data segment to be measured; Also can be used for confirming the power of useful signal of power and midamble code position of the reception signal of a plurality of data segments to be measured; Each Interference Signal Code Power obtains the power of useful signal of power and midamble code position of the reception signal of the data segment one or more to be measured that unit 202 can be used for confirming according to a definite unit 201, obtains the Interference Signal Code Power of one or more data segments to be measured.A special case is; The measurement mechanism of Interference Signal Code Power shown in Figure 2 has identical cell really 201 with data segment quantity to be measured and the Interference Signal Code Power identical with data segment quantity to be measured obtains unit 202; The measurement mechanism of Interference Signal Code Power like this, shown in Figure 2 can be measured the ISCP of all data segments to be measured simultaneously.

In like manner; The quantity that the quantity of the included cell really 201 of measurement mechanism of second kind of Interference Signal Code Power shown in Figure 2 and Interference Signal Code Power obtain unit 202 also can be decided according to the actual requirements; Specifically can repeat no more here referring to the description of above-mentioned measurement mechanism to first kind of Interference Signal Code Power shown in Figure 2.

Need to prove at last; No matter be the method for measurement and the device of first kind of Interference Signal Code Power, or the method for measurement and the device of second kind of Interference Signal Code Power, its implementation complexity is all smaller; Therefore, method and apparatus of the present invention all has very strong using value.

The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (17)

1. the method for measurement of an Interference Signal Code Power is characterized in that, comprising:

Confirm the power of useful signal of power and midamble code position of the reception signal of data segment to be measured; The power of the useful signal of said midamble code position comprises: all users' of this sub-district of midamble code position received signal code power sum;

According to the power of the useful signal of the power of the reception signal of said data segment to be measured and midamble code position, obtain the Interference Signal Code Power of said data segment to be measured.

2. the method for measurement of Interference Signal Code Power as claimed in claim 1 is characterized in that, the power of the reception signal of said data segment to be measured is the reception signal strength signal intensity indication RSSI of said data segment to be measured.

3. the method for measurement of Interference Signal Code Power as claimed in claim 2 is characterized in that, the power of the useful signal of said midamble code position is all users' of this sub-district of said midamble code position received signal code power sum.

4. the method for measurement of Interference Signal Code Power as claimed in claim 3; It is characterized in that; In the following manner according to the power of the useful signal of the power of the reception signal of said data segment to be measured and midamble code position, obtain the Interference Signal Code Power of said data segment to be measured:

ISCP[n]＝RSSI[n]-RSCP _mid

Wherein, n representes data segment n to be measured, and ISCP [n] is the Interference Signal Code Power of data segment n to be measured, and RSSI [n] is the RSSI of data segment n to be measured, RSCP _MidReceived signal code power for all users of this sub-district of said midamble code position.

5. the method for measurement of Interference Signal Code Power as claimed in claim 4 is characterized in that, RSSI [n] is confirmed by following manner:

$\mathrm{RSSI}\left[n\right]=\frac{\underset{\mathrm{ka}=0}{\overset{\mathrm{Ka}\_\mathrm{Num}-1}{\mathrm{\Σ}}}\underset{i=0}{\overset{\mathrm{length}-1}{\mathrm{\Σ}}}{\left|e_{\mathrm{ka},n*\mathrm{length}+i}\right|}^2}{\mathrm{Ka}\_\mathrm{Num}*\mathrm{Length}},n=\mathrm{0,1},\·\·\·,\mathrm{Part}\_\mathrm{Num}-1$

Wherein, Ka_Num is the quantity of antenna, and Length is the corresponding number of chips of data segment n to be measured, e _{Ka, i}Be the reception signal according to the corresponding number of chips institute intercepting of the number of needed data segment to be measured and data segment n to be measured, Part_Num is the quantity of the data segment to be measured in the data segment n place time slot to be measured.

6. the method for measurement of Interference Signal Code Power as claimed in claim 1; It is characterized in that; After obtaining the Interference Signal Code Power of said data segment to be measured; Also comprise: when the Interference Signal Code Power of all data segments to be measured that obtain said data segment to be measured place time slot, the Interference Signal Code Power of said all data segments to be measured is averaged or interpolation processing, obtain the Interference Signal Code Power of said data segment place time slot to be measured.

7. the measurement mechanism of an Interference Signal Code Power is characterized in that, comprising:

Confirm the unit, be used for confirming the power of useful signal of power and midamble code position of the reception signal of data segment to be measured; The power of the useful signal of said midamble code position comprises: all users' of this sub-district of midamble code position received signal code power sum;

Interference Signal Code Power obtains the unit, and the power of the power of the reception signal of the data segment to be measured that is used for confirming according to said definite unit and the useful signal of midamble code position obtains the Interference Signal Code Power of said data segment to be measured.

8. the measurement mechanism of Interference Signal Code Power as claimed in claim 7; It is characterized in that; Also comprise: the Interference Signal Code Power processing unit; Be used for when said Interference Signal Code Power obtains the unit and obtains the Interference Signal Code Power of all data segments to be measured of said data segment place time slot to be measured; The Interference Signal Code Power that said Interference Signal Code Power is obtained all data segments to be measured that the unit obtains averages or interpolation processing, obtains the Interference Signal Code Power of said data segment place time slot to be measured.

9. the method for measurement of an Interference Signal Code Power is characterized in that, comprising:

The power of reception signal of Interference Signal Code Power and data segment to be measured of confirming the midamble code position is with respect to the deviation of the power of the reception signal of said midamble code position;

According to the Interference Signal Code Power and the said deviation of said midamble code position, obtain the Interference Signal Code Power of said data segment to be measured.

10. the method for measurement of Interference Signal Code Power as claimed in claim 9; It is characterized in that; The power of the reception signal of said data segment to be measured is the RSSI of said data segment to be measured, and the power of the reception signal of said midamble code position is the RSSI of said midamble code position.

11. the method for measurement of Interference Signal Code Power as claimed in claim 9 is characterized in that, the power of reception signal of confirming data segment to be measured in the following manner is with respect to the deviation of the power of the reception signal of said midamble code position:

δ[n]＝RSSI[n]-RSSI _mid

Wherein, n representes data segment n to be measured, and δ [n] is said deviation, and RSSI [n] is the RSSI of data segment n to be measured, RSSI _MidRSSI for said midamble code position.

12. the method for measurement of Interference Signal Code Power as claimed in claim 11 is characterized in that, RSSI [n] is confirmed by following manner:

$\mathrm{RSSI}\left[n\right]=\frac{\underset{\mathrm{ka}=0}{\overset{\mathrm{Ka}\_\mathrm{Num}-1}{\mathrm{\Σ}}}\underset{i=0}{\overset{\mathrm{length}-1}{\mathrm{\Σ}}}{\left|e_{\mathrm{ka},n*\mathrm{length}+i}\right|}^2}{\mathrm{Ka}\_\mathrm{Num}*\mathrm{Length}},n=\mathrm{0,1},\·\·\·,\mathrm{Part}\_\mathrm{Num}-1$

Wherein, Ka_Num is the quantity of antenna, and Length is the corresponding number of chips of data segment n to be measured, e _{Ka, i}Be the reception signal according to the corresponding number of chips institute intercepting of the number of needed data segment to be measured and data segment n to be measured, Part_Num is the quantity of the data segment to be measured in the data segment n place time slot to be measured.

13. the method for measurement of Interference Signal Code Power as claimed in claim 11 is characterized in that, RSSI _MidConfirm by following manner:

${\mathrm{RSSI}}_{\mathrm{mid}}=\frac{\underset{\mathrm{ka}=0}{\overset{\mathrm{Ka}\_\mathrm{Num}-1}{\mathrm{\Σ}}}\underset{i=0}{\overset{127}{\mathrm{\Σ}}}{\left|e_{\mathrm{ka},i}\right|}^2}{\mathrm{Ka}\_\mathrm{Num}*128}$

Wherein, Ka_Num is the quantity of antenna, e _{Ka, i}Reception signal for the midamble code position.

14. the method for measurement like claim 9 or 11 described Interference Signal Code Powers is characterized in that, in the following manner according to the Interference Signal Code Power and the said deviation of said midamble code position, obtains the Interference Signal Code Power of said data segment to be measured:

ISCP[n]＝ISCP _mid+δ[n]

Wherein, n representes data segment n to be measured, and ISCP [n] is the Interference Signal Code Power of data segment n to be measured, ISCP _MidBe the Interference Signal Code Power of said midamble code position, δ [n] is said deviation.

15. the method for measurement of Interference Signal Code Power as claimed in claim 9; It is characterized in that; After obtaining the Interference Signal Code Power of said data segment to be measured; Also comprise: when the Interference Signal Code Power of all data segments to be measured that obtain said data segment to be measured place time slot, the Interference Signal Code Power of said all data segments to be measured is averaged or interpolation processing, obtain the Interference Signal Code Power of said data segment place time slot to be measured.

16. the measurement mechanism of an Interference Signal Code Power is characterized in that, comprising:

Confirm the unit, the power of reception signal of Interference Signal Code Power and data segment to be measured that is used for confirming the midamble code position is with respect to the deviation of the power of the reception signal of said midamble code position;

Interference Signal Code Power obtains the unit, and the Interference Signal Code Power and the said deviation of the said midamble code position that is used for confirming according to said definite unit obtain the Interference Signal Code Power of said data segment to be measured.

17. the measurement mechanism of Interference Signal Code Power as claimed in claim 16; It is characterized in that; Also comprise: the Interference Signal Code Power processing unit; Be used for when said Interference Signal Code Power obtains the unit and obtains the Interference Signal Code Power of all data segments to be measured of said data segment place time slot to be measured; The Interference Signal Code Power that said Interference Signal Code Power is obtained all data segments to be measured that the unit obtains averages or interpolation processing, obtains the Interference Signal Code Power of said data segment place time slot to be measured.

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