CN103188802B - The choosing method and device of the destination channel of ascending control channel - Google Patents

The choosing method and device of the destination channel of ascending control channel Download PDF

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Publication number
CN103188802B
CN103188802B CN201110454105.0A CN201110454105A CN103188802B CN 103188802 B CN103188802 B CN 103188802B CN 201110454105 A CN201110454105 A CN 201110454105A CN 103188802 B CN103188802 B CN 103188802B
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power value
time slot
value
ue
destination channel
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CN201110454105.0A
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CN103188802A (en
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曾召华
陈海生
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南京中兴新软件有限责任公司
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
    • Y02D70/00Techniques for reducing energy consumption in wireless communication networks
    • Y02D70/10Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT]
    • Y02D70/12Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT] in 3rd Generation Partnership Project [3GPP] networks
    • Y02D70/126Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT] in 3rd Generation Partnership Project [3GPP] networks in 4th generation [4G] networks

Abstract

The invention discloses the choosing method and device of a kind of destination channel of ascending control channel (PUCCH).Wherein, this method includes:Obtain the signal power value of the signal power value of the destination channel of user equipment (UE) each time slot and the adjacency channel of destination channel;For UE each time slot, the signal power value for determining the destination channel of the time slot is not the signal power value of destination channel and maximum power value and minimal power values in the signal power value of adjacency channel, and the ratio of the signal power value of maximum power value and destination channel is more than predetermined threshold value;Determine that the maximum power value adjacency channel corresponding with minimal power values between each time slot of UE is identical, it is destination channel current UE to choose the corresponding adjacency channel of maximum power value.By the present invention, LTE system wireless performance is improved.

Description

The choosing method and device of the destination channel of ascending control channel

Technical field

The present invention relates to the communications field, in particular to a kind of choosing method of the destination channel of ascending control channel And device.

Background technology

Compared to the third generation (3rd Generation, referred to as 3G) communication technology, Long Term Evolution (Long Term Evolution, referred to as LTE) technology has the characteristics that:(1) every bit cost is reduced, uplink and downlink communication data are improved Speed;(2) spectrum efficiency is improved, existing and new frequency range can be flexibly used;(3) it ensure that service quality (Quality Of Service, referred to as QoS), the offer ability of business is provided, can be carried with lower cost, more preferably Consumer's Experience For more business;(4) wireless network time delay is reduced, simplifying framework, there is provided open interface;(5) cell side is added Edge bit rate, is keeping adding cell edge bit rate etc. in the case that current base station location is constant.

LTE ascending control channels (Physical Uplink Control Channel, referred to as PUCCH) carrying is up Control information (Uplink Control Information, referred to as UCI), specifically includes channel quality and indicates (Channel Quality Indication, referred to as CQI) information, hybrid automatic repeat-request (Hybrid Automatic Repeat Request, referred to as HARQ) confirmation and SR (Schedule Request) information etc..

From the point of view of the handling process of current PUCCH receiving terminals, user terminal (User Equipment, referred to as UE) is in nothing When it is inclined or in the case that hour is inclined, the destination channel signal calculated using current algorithm is to should the letters that really receive of UE Number.But on the lower side, the destination channel signal signal that not necessarily corresponding UE is really received obtained using current algorithm when big, Because on the lower side when big, the corresponding real frequency domain spreading sequences cyclic shift value of UE symbols may be offset as its target consecutive value, Now, if the extraction that receiving terminal also carries out corresponding UE signals with desired value will influence the wireless performance of system.

For in correlation technique when it is partially larger in the case of, the PUCCH obtained using current algorithm destination channel The problem of signal signal that not necessarily corresponding UE is really received, effective solution is not yet proposed at present.

The content of the invention

For in correlation technique when it is partially larger in the case of, the PUCCH obtained using current algorithm destination channel The problem of signal signal that not necessarily corresponding UE is really received, the invention provides a kind of destination channel of ascending control channel Choosing method and device, at least to solve the above problems.

According to an aspect of the invention, there is provided a kind of choosing method of the destination channel of ascending control channel, including: Obtain the signal power of the signal power value of the destination channel of user equipment (UE) each time slot and the adjacency channel of destination channel Value;For UE each time slot, the signal power value for determining the destination channel of the time slot is not the signal power value of destination channel With the maximum power value and minimal power values in the signal power value of adjacency channel, and the signal of maximum power value and destination channel The ratio of performance number is more than predetermined threshold value;Determine that maximum power value and minimal power values between each time slot of UE are corresponding adjacent logical Road is identical, and it is destination channel current UE to choose the corresponding adjacency channel of maximum power value.

Preferably, the signal power value of the destination channel of UE each time slot and the adjacency channel of the destination channel are obtained Signal power value, including:Determine the corresponding symbol frequency domain spreading sequences cyclic shift value of each time slot destination channel of the UE;Make With the symbol frequency domain spreading sequences cyclic shift value of determination, the left cyclic shift value of the symbol frequency domain spreading sequences is calculated With right cyclic shift value;According to the symbol frequency domain spreading sequences cyclic shift value, left cyclic shift value and right cyclic shift value, The signal power value of the UE each time slot destination channel, left adjacent passage and right adjacent passage is calculated respectively.

Preferably for each time slot of the UE, determining the signal power value of the destination channel of the time slot is not The signal power value of the destination channel and maximum power value and minimal power values in the signal power value of the adjacency channel, Including:If the maximum power value left adjacent passage of correspondence and the right adjacent passage of minimal power values correspondence of the time slot, will The corresponding passage index of the maximum power value is set to the index of the left adjacent passage, and the minimal power values are corresponding logical Road, which is indexed, is set to the index of the right adjacent passage, if the right adjacent passage of maximum power value correspondence of the time slot and it is described most The corresponding passage index of the maximum power value, then be set to the rope of the right adjacent passage by the left adjacent passage of small-power value correspondence Draw, the corresponding passage index of the minimal power values is set to the index of the left adjacent passage;Judge the maximum power value Corresponding passage index and the corresponding passage index of the minimal power values are not the passage index of the destination channel, then The signal power value for determining the destination channel of the time slot is not the signal power value of the destination channel and described adjacent logical Maximum power value and minimal power values in the signal power value in road.

Preferably, the maximum power value and the corresponding adjacency channel of minimal power values between each time slot of the UE are determined It is identical, including:For each time slot of the UE, if the signal power value of the left adjacent passage of the time slot is the maximum work Rate value, and the maximum power value and the ratio of the signal power value of the destination channel are more than predetermined threshold value, then when will be described The identification-replaceable of gap is set to the first default mark, if the signal power value of the right adjacent passage of the time slot is the maximum work Rate value, and the maximum power value and the ratio of the signal power value of the destination channel are more than predetermined threshold value, then when will be described The identification-replaceable of gap is set to the second default mark;Judge whether the identification-replaceable of each time slot of the UE is identical, and be institute The first default mark or the second default mark are stated, if it is, determining the peak power between each time slot of the UE Value adjacency channel corresponding with the minimal power values is identical.

According to another aspect of the present invention there is provided a kind of selecting device of the destination channel of ascending control channel, including: Acquisition module, the signal power value for obtaining the destination channel of user equipment each time slot and the adjacency channel of destination channel; First determining module, the signal power value of the destination channel of each time slot for determining UE is not the signal power of destination channel Value and maximum power value and minimal power values in the signal power value of adjacency channel;Second determining module, for determining maximum The ratio of performance number and the signal power value of destination channel is more than predetermined threshold value;3rd determining module, for determine UE each when Maximum power value adjacency channel corresponding with minimal power values between gap is identical;Module is chosen, for choosing maximum power value pair The adjacency channel answered is the current destination channels of UE.

Preferably, the acquisition module includes:Determining unit, for determining that each time slot destination channel of the UE is corresponding Symbol frequency domain spreading sequences cyclic shift value;First computing unit, for being followed using the symbol frequency domain spreading sequences of determination Ring shift value, calculates the left cyclic shift value and right cyclic shift value of the symbol frequency domain spreading sequences in each time limit respectively; Second computing unit, for according to the symbol frequency domain spreading sequences cyclic shift value, left cyclic shift value and right cyclic shift Value, calculates the signal power value of the UE each time slot destination channel, left adjacent passage and right adjacent passage respectively.

Preferably, described device also includes:First mark module, the maximum power value for each time limit to the UE Corresponding passage indexes passage index corresponding with minimal power values and is identified, wherein, for each time slot, if the time slot The maximum power value left adjacent passage of correspondence and the right adjacent passage of minimal power values correspondence, then by the maximum power value pair The passage index answered is set to the index of the left adjacent passage, the corresponding passage index of the minimal power values is set to described The index of right adjacent passage, if the maximum power value right adjacent passage of correspondence and the left neighbour of minimal power values correspondence of the time slot The corresponding passage index of the maximum power value, then be set to the index of the right adjacent passage, by the minimum power by passage It is worth the index that corresponding passage index is set to the left adjacent passage;First determining module by judge the UE each when The corresponding passage of maximum power value of limit indexes whether passage index corresponding with minimal power values is the logical of the destination channel Road is indexed, and the signal power value for determining the destination channel of each time slot of the UE is not the signal work(of the destination channel Rate value and maximum power value and minimal power values in the signal power value of the adjacency channel.

Preferably, described device also includes:Second mark module, the identification-replaceable for each time slot to the UE enters Line flag, wherein, for each time slot of the UE, if the signal power value of the left adjacent passage of the time slot is the maximum Performance number, and the maximum power value and the ratio of the signal power value of the destination channel are more than predetermined threshold value, then will be described The identification-replaceable of time slot is set to the first default mark, if the signal power value of the right adjacent passage of the time slot is the maximum Performance number, and the maximum power value and the ratio of the signal power value of the destination channel are more than predetermined threshold value, then will be described The identification-replaceable of time slot is set to the second default mark;3rd determining module is by judging the institute of each time slot of the UE State whether identification-replaceable is identical, determine that the maximum power value and minimal power values between each time slot of the UE are corresponding adjacent Whether passage is identical.

By the present invention, the signal power value of UE destination channels and adjacency channel is obtained, and by the performance number for the condition that meets Corresponding adjacency channel is on the lower side when big so that receiving terminal is entered with correct desired value as the real destination channels of the UE The extraction of the corresponding UE signals of row, so that LTE system wireless performance on the lower side when greatly improving big.

Brief description of the drawings

Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 is the flow chart of the choosing method of PUCCH according to embodiments of the present invention destination channel;

Fig. 2 is the flow chart of the choosing method of according to embodiments of the present invention one PUCCH destination channel;

Fig. 3 is the flow chart of the choosing method of according to embodiments of the present invention two PUCCH destination channel;

Fig. 4 is the schematic diagram that identification-replaceable according to embodiments of the present invention is determined;

Fig. 5 is the schematic diagram that each time slot identification-replaceable according to embodiments of the present invention compares;

Fig. 6 is the structured flowchart of the selecting device of PUCCH according to embodiments of the present invention destination channel;

Fig. 7 is the structural frames of the selecting device of the first preferred PUCCH according to embodiments of the present invention destination channel Figure;

Fig. 8 is the structural frames of the selecting device of the preferred PUCCH of according to embodiments of the present invention second destination channel Figure;

Fig. 9 is the structural frames of the selecting device of the third preferred PUCCH according to embodiments of the present invention destination channel Figure.

Embodiment

Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.

According to embodiments of the present invention, in order to improve LTE system PUCCH receiving terminals demodulation performance, there is provided a kind of PUCCH's The choosing method of destination channel, is determined for UE destination channel, improves LTE system wireless performance.

Fig. 1 is the flow chart of the choosing method of PUCCH according to embodiments of the present invention destination channel, as shown in figure 1, right In each UE destination channel, it can determine that the target of the UE is led to by following steps (step S102- step S106) Road.

Step S102, obtains the signal power value and the phase of destination channel of the destination channel of user equipment (UE) each time slot The signal power value of adjacent passage.

Step S104, for UE each time slot, the signal power value for determining the destination channel of the time slot is not that target is led to The signal power value in road and maximum power value and minimal power values in the signal power value of adjacency channel, and maximum power value with The ratio of the signal power value of destination channel is more than predetermined threshold value.

Step S106, determines that the maximum power value adjacency channel corresponding with minimal power values between each time slot of UE is identical, It is destination channel current UE to choose the corresponding adjacency channel of maximum power value.

The preferred embodiments of above steps are described separately below.

(1) step S102

In above-mentioned steps S102, it can be circulated according to the corresponding symbol frequency domain spreading sequences of UE each time slot destination channel Shift value, calculates the left cyclic shift value and right cyclic shift value of UE symbol frequency domain spreading sequences, according to symbol frequency domain expansion Sequence cyclic shift value and the left cyclic shift value and right cyclic shift value calculated, can calculate each time slot target of UE The signal power value of passage, left adjacent passage and right adjacent passage.

In embodiments of the present invention, the signal work(of the adjacency channel of the destination channel of each time slot of acquisition UE and destination channel Rate value, can include following steps:

Step A, determines the corresponding symbol frequency domain spreading sequences cyclic shift value of each time slot destination channel of UE.

Step B, using the symbol frequency domain spreading sequences cyclic shift value of determination, the left side for calculating symbol frequency domain spreading sequences is followed Ring shift value and right cyclic shift value.

Step C, according to symbol frequency domain spreading sequences cyclic shift value, left cyclic shift value and right cyclic shift value, difference Calculate the signal power value of UE each time slot destination channel, left adjacent passage and right adjacent passage.

Specifically, according to the corresponding symbol frequency domain spreading sequences cyclic shift value of each time slot destination channels of UE, Ke Yiji Calculation obtains left and right adjacent cyclic shift value, destination channel, the signal of adjacency channel then under each time slot current antenna of calculating UE Performance number, further obtain UE each time slot destination channel, all reception antenna signal powers of adjacency channel and, so as to calculate Draw UE each time slot destination channel, the signal power value of adjacency channel.

(2) step S104

For UE each time slot, it may be determined that whether (i.e. maximum in the peak value that signal power value is obtained in adjacency channel Performance number and minimal power values), that is, the signal power value for determining the destination channel of the time slot is not the signal power of destination channel Value and maximum power value and minimal power values in the signal power value of adjacency channel.In actual applications, it can be respectively mesh Mark passage, left adjacent passage and right adjacent passage and index is set.

If for example, the maximum power value of the time slot corresponds to left adjacent passage and the right adjacent passage of minimal power values correspondence, incited somebody to action The corresponding passage index of maximum power value is set to the index of left adjacent passage, and the corresponding passage of minimal power values is set into right neighbour The index of passage;If the right adjacent passage of maximum power value correspondence and the left adjacent passage of minimal power values correspondence of the time slot, will most The corresponding passage index of high-power value is set to the index of right adjacent passage, and the corresponding passage index of minimal power values is set into a left side The index of adjacent passage.

In view of the above method, can be by judging that the corresponding passage index of maximum power value and minimal power values are corresponding Passage is indexed, to determine that the signal power value of the destination channel of the time slot is not the signal power value and adjacency channel of destination channel Signal power value in maximum power value and minimal power values.If the corresponding passage index of maximum power value and least work The corresponding passage index of rate value is not the passage index of destination channel, it is determined that the signal power value of the destination channel of the time slot It is not the signal power value of destination channel and maximum power value and minimal power values in the signal power value of adjacency channel.

In order to further improve system accuracy and reliability, it is determined that the time slot destination channel signal power value not After being maximum power value and minimal power values, further, it can be determined that the signal power of maximum power value and destination channel Whether the ratio of value is more than predetermined threshold value, if it is judged that being yes, then enter step S106;If it is judged that be it is no, Then it is determined that current goal passage need not be replaced, choose destination channel and be used as current channel.

(3) step S106

It is determined that the signal power value of the destination channel of each time slot is not maximum power value and minimal power values, and most The ratio of high-power value and the signal power value of destination channel be more than predetermined threshold value after, can also further determine UE each Maximum power value adjacency channel corresponding with minimal power values between time slot is identical.If the maximum power value of each time slot part and The corresponding adjacency channel of minimal power values is identical, then chooses the corresponding adjacency channel of maximum power value and leads to for target current UE Road.

Specifically, for UE each time slot, if the signal power value of the left adjacent passage of the time slot is maximum power value, And the ratio of the signal power value of maximum power value and destination channel is more than predetermined threshold value, then the identification-replaceable of the time slot is set For the first default mark;If the signal power value of the right adjacent passage of the time slot is maximum power value, and maximum power value and mesh The ratio for marking the signal power value of passage is more than predetermined threshold value, then the identification-replaceable of the time slot is set into the second default mark.

, can whether identical by the identification-replaceable for each time slot for judging UE in view of the above method, come determine UE each Maximum power value adjacency channel corresponding with minimal power values between time slot is identical.If the identification-replaceable phase of UE each time slot Together, and for first mark or the second default mark are preset, then can determines the maximum power value and least work between each time slot of UE It is identical that rate is worth corresponding adjacency channel.It may thereby determine that the current destination channels of UE are corresponding adjacent logical for maximum power value Road, chooses the corresponding adjacency channel of maximum power value and is used as destination channel current UE.

By the embodiment of the present invention, the signal power value of UE destination channels and adjacency channel is calculated, and condition will be met The corresponding adjacency channel of performance number is on the lower side when big so that receiving terminal is with correct target as the real destination channels of the UE Value carries out the extraction of corresponding UE signals, so that LTE system wireless performance on the lower side when greatly improving big.

It is described below by specific embodiment.

Embodiment one

According to embodiments of the present invention, it is logical to UE targets in order to further lift LTE system PUCCH receiving terminal demodulation performances Road and all reception antenna power of adjacent channel signals and progress peak value searching, and it regard the peak value for meeting permutizer condition as this UE really detects signal, thus when greatly promoting big LTE system wireless performance on the lower side method.

Fig. 2 is the flow chart of the choosing method of according to embodiments of the present invention one PUCCH destination channel, as shown in Fig. 2 This method can include following steps (step S202- step S222).

Step S202, calculates all UE different time-gaps destination channels and all reception antenna power of adjacent channel signals With.

Step S204, puts user index Index_User and (i.e. since first UE, calculates each UE for 1 and really correspond to Cyclic shift value, finally causes each UE to extract its real detection signal).

Step S206, puts time slot index Index_Slot and (i.e. since first time slot, current UE is calculated respectively every for 1 The peak value searching judgement mark of individual time slot).

Current UE, current time slots correspondence destination channel and phase are extracted in step S208, the result obtained from step S202 Adjacent channel signal power, and the power sequence maximizing and minimum value constituted to it, corresponding peak value index are respectively labeled as Index_max, Index_min, simultaneously, it is assumed that its peak value index Index_ when the left adjacent passage of target is maximum, minimum value Max, Index_min are marked, conversely, right adjacent channel peak index Index_max, Index_min are marked and be.

Step S210, if the Index_max==2&&Index_min==3 of current UE, current time slots and The corresponding maximum power values of Index_max and the linear ratio of destination channel performance number are more than predetermined power thresholding P_thre, that Mark current UE, the displacement sign of flag of current time slots is 2;, whereas if the Index_max=of current UE, current time slots =3&&Index_min==2 and the corresponding maximum power value P of Index_maxIndex_maxWith destination channel performance number PDestination channel Linear ratio be more than predetermined power thresholding P_thre (preferably, this power threshold takes the value more than 2), then mark is current UE, the displacement sign of flag of current time slots are 3.

Step S212, judges whether two time slots of current UE have all traveled through and finishes, if it is, into step S216;Such as It is really no, into step S214.

Step S214, current time slots index Index_Slot adds 1, into step S208.

Step S216, judges whether the displacement mark of two different time-gaps of current UE is consistent, if consistent and Flag_ Slot0, Flag_Slot1 are equal to 2, then current UE symbol correspondence frequency domain spreading sequences cyclic shift value is replaced into left adjacent value, Now, the left adjacent passage of UE true peaks detection signal its target of correspondence, whereas if consistent and Flag_Slot0, Flag_ Slot1 is equal to 3, then current UE symbol correspondence frequency domain spreading sequences cyclic shift value is replaced into right adjacent value, and now, UE is real Peak detection signal corresponds to the right adjacent passage of its target.

Step S218, judges whether all UE have all traveled through and finishes, if it is, into step S222;If not, entering step Rapid S220;

Step S220, current UE index Index_User adds 1, into step S206.

Step S222, is returned (processing module such as the follow-up NI calculating of feeding, data demodulating and decoding).

By the embodiment of the present invention, to UE destination channels and all reception antenna power of adjacent channel signals and progress peak Value, which is searched for and will meet the peak value of permutizer condition as the UE, really detects signal, on the lower side when big, emulates and realize environment all Very big performance gain is seen, so that LTE system wireless performance on the lower side when greatly improving big.

Embodiment two

According to embodiments of the present invention there is provided a kind of choosing method of PUCCH destination channel, as shown in figure 3, this method Following steps (step S302- step S322) can be included:

Step S302, according to the corresponding symbol frequency domain spreading sequences cyclic shift value meter of all two time slot destination channels of UE Calculation obtains its left and right adjacent cyclic shift value, then calculates destination channel, adjacency channel under all two time slot current antennas of UE Signal power value, travel through all antennas, further obtain all two time slot destination channels of UE, all receptions of adjacency channel Aerial signal power and, wherein signal power calculation formula is simple schematically as follows (by taking Format2 as an example):

Power_Winant(t, s, c)=| Winant(t,s,c)|2

Wherein, Winant(t, s, c) correspondence current format receives detection window (including data, pilot tone window), spilot、sdataPoint Not Biao Shi current time slots pilot tone, data symbol, c represent UE current channels correspondence cyclic shift value, Pslot0、Pslot1Represent respectively Time slot 0, the current channel signal power of time slot 1, ant represent antenna index.

Step S304, puts user index Index_User and (i.e. since first UE, calculates each UE for 1 and really correspond to Cyclic shift value, finally causes each UE to extract its real detection signal).

Step S306, puts time slot index Index_Slot and (i.e. since first time slot, current UE is calculated respectively every for 1 The peak value searching judgement mark of individual time slot).

Current UE, current time slots correspondence destination channel and phase are extracted in step S308, the result obtained from step S302 Adjacent channel signal power, and the power sequence maximizing and minimum value constituted to it, corresponding peak value index are respectively labeled as Index_max, Index_min, simultaneously, it is assumed that its peak value index Index_ when the left adjacent passage of target is maximum, minimum value Max, Index_min are marked, conversely, right adjacent channel peak index Index_max, Index_min are marked and be.

Step S310, if the Index_max==2&&Index_min==3 of current UE, current time slots and The corresponding maximum power value P of Index_maxIndex_maxWith destination channel performance number PDestination channelLinear ratio be more than predetermined power door Limit P_thre (preferably, this power threshold takes the value more than 2), then mark current UE, the displacement sign of flag of current time slots For 2;, whereas if Index_max==3&&Index_min==2 and the Index_max correspondence of current UE, current time slots Maximum power value PIndex_maxWith destination channel performance number PDestination channelLinear ratio be more than predetermined power thresholding P_thre (preferably Ground, this power threshold takes the value more than 2), then mark current UE, the displacement sign of flag of current time slots are for 3 (such as Fig. 4 institutes Show).

Above-mentioned steps S310 can be represented simply as with formula:

It is true, it is 2 to put Flag

It is true, it is 3 to put Flag

Step S312, judges whether all traversal is finished for two time slots of current UE, if it is, into step S316;If It is no, into step S314.

Step S314, current time slots index Index_Slot adds 1, into step S308.

Step S316, judges whether the displacement mark of two different time-gaps of current UE is consistent, if consistent and Flag_ Slot0, Flag_Slot1 are equal to 2, then current UE symbol correspondence frequency domain spreading sequences cyclic shift value is replaced into left adjacent value, Now, the left adjacent passage of UE true peaks detection signal its target of correspondence;, whereas if the displacement mark one of two time slots of current UE Cause and Flag_Slot0, Flag_Slot1 are equal to 3, then current UE symbol correspondence frequency domain spreading sequences cyclic shift value is put Right adjacent value is changed to, now, the right adjacent passage of UE true peaks detection signal its target of correspondence.

If the displacement mark of two time slots of current UE is inconsistent or its corresponding Flag_Slot0, Flag_Slot1 In 2 or 3, then destination channel signal is peak value, i.e., without the displacement of peak value or symbol correspondence sequence cyclic shift (as schemed Shown in 5).

Step S318, judges whether all UE have all traveled through and finishes, if it is, into step S322;If not, entering step Rapid S320.

Step S320, current UE index Index_User adds 1, into step 306.

Step S322, is returned (processing module such as the follow-up NI calculating of feeding, data demodulating and decoding).

According to embodiments of the present invention, a kind of selecting device of PUCCH destination channel is additionally provided, can be, but not limited to use In the method for realizing the above embodiment of the present invention offer.

Fig. 6 is the structured flowchart of the selecting device of PUCCH according to embodiments of the present invention destination channel, as shown in fig. 6, The device can include:Acquisition module 10, the first determining module 20, the second determining module 30, the 3rd determining module 40 and selection Module 50.

Wherein, acquisition module 10, signal power value and mesh for the destination channel that obtains user equipment (UE) each time slot Mark the signal power value of the adjacency channel of passage;First determining module 20, is coupled with acquisition module 10, for determining that UE's is each During the signal power value of the destination channel of individual time slot is not the signal power value of destination channel and the signal power value of adjacency channel Maximum power value and minimal power values;Second determining module 30, is coupled with the first determining module 20, for determining maximum work The ratio of rate value and the signal power value of destination channel is more than predetermined threshold value;3rd determining module 40, with the second determining module 30 It is coupled, for determining that the maximum power value adjacency channel corresponding with minimal power values between each time slot of UE is identical;Choose mould Block 50, is coupled with the 3rd determining module 40, leads to for choosing the corresponding adjacency channel of maximum power value for target current UE Road.

In embodiments of the present invention, it can be circulated according to the corresponding symbol frequency domain spreading sequences of UE each time slot destination channel Shift value, calculates the left cyclic shift value and right cyclic shift value of UE symbol frequency domain spreading sequences, according to symbol frequency domain expansion Sequence cyclic shift value and the left cyclic shift value and right cyclic shift value calculated, can calculate each time slot target of UE The signal power value of passage, left adjacent passage and right adjacent passage.

In view of foregoing description, as shown in fig. 7, above-mentioned acquisition module 10, can include:Determining unit 102, for determining UE The corresponding symbol frequency domain spreading sequences cyclic shift value of each time slot destination channel;First computing unit 104, with determining unit 102 are coupled, for using the symbol frequency domain spreading sequences cyclic shift value determined, the symbol frequency domain in each time limit to be calculated respectively The left cyclic shift value and right cyclic shift value of sequence spreading;Second computing unit 106, is coupled with the first computing unit 104, For according to symbol frequency domain spreading sequences cyclic shift value, left cyclic shift value and right cyclic shift value, calculate respectively UE each The signal power value of time slot destination channel, left adjacent passage and right adjacent passage.

For the ease of determine UE each time slot destination channel signal power value be not destination channel signal power Value and maximum power value and minimal power values in the signal power value of adjacency channel, can be to the maximum work in UE each time limit The corresponding passage of rate value indexes passage index corresponding with minimal power values and is identified.Therefore, as shown in figure 8, said apparatus It can also include:First mark module 60, the corresponding passage index of maximum power value and minimum for each time limit to UE The corresponding passage index of performance number is identified.

Wherein, for each time slot, if the left adjacent passage of maximum power value correspondence and minimal power values correspondence of the time slot The corresponding passage index of maximum power value, then be set to the index of left adjacent passage by right adjacent passage, and minimal power values are corresponding Passage indexes the index for being set to right adjacent passage, if the right adjacent passage of maximum power value correspondence and minimal power values pair of the time slot The corresponding passage index of maximum power value, then be set to the index of right adjacent passage, by minimal power values correspondence by Ying Zuolin passages Passage index be set to the index of left adjacent passage.

First determining module 20 can be by judging that the corresponding passage of maximum power value in each time limit of UE is indexed and minimum Performance number corresponding passage index whether be destination channel passage index, determine the signal of the destination channel of UE each time slot Performance number is not the maximum power value and minimum power in the signal power value of destination channel and the signal power value of adjacency channel Value.

The signal power value that the destination channel of each time slot is determined in the first determining module 20 is not maximum power value and most Small-power value, the second determining module 30 determines that the ratio of the signal power value of maximum power value and destination channel is more than predetermined threshold value Afterwards, further 3rd determining module 40 can also determine that the maximum power value between each time slot of UE is corresponding with minimal power values Adjacency channel it is identical.If the maximum power value of each time slot part adjacency channel corresponding with minimal power values is identical, then It is destination channel current UE to choose module 50 and can choose the corresponding adjacency channel of maximum power value.

, can for the ease of determining that the maximum power value adjacency channel corresponding with minimal power values between each time slot of UE is identical It is marked with the identification-replaceable of each time slot to UE.Therefore, as shown in figure 9, said apparatus can also include:Second mark Module 70, the identification-replaceable for each time slot to UE is marked.

Wherein, for UE each time slot, if the signal power value of the left adjacent passage of the time slot is maximum power value, and The ratio of the signal power value of maximum power value and destination channel is more than predetermined threshold value, then is set to the identification-replaceable of the time slot First default mark, if the signal power value of the right adjacent passage of the time slot is maximum power value, and maximum power value and target The ratio of the signal power value of passage is more than predetermined threshold value, then the identification-replaceable of the time slot is set into the second default mark;

Whether the 3rd determining module 40 can identical by the identification-replaceable for each time slot for judging UE, determine UE each when Whether the corresponding adjacency channel of maximum power value and minimal power values between gap is identical.If a for example, time slot of current UE Identification-replaceable position be the second predetermined mark, the identification-replaceable seat of another time slot is the first predetermined mark, it may be determined that The identification-replaceable of two time slots of current UE is different, may thereby determine that the maximum power value and minimal power values between each time slot of UE Corresponding adjacency channel is differed.If the identification-replaceable of two time slots of current UE is all that the first default mark or second are default Mark, then can determine that the maximum power value adjacency channel corresponding with minimal power values between each time slot of UE is identical, so that The corresponding adjacency channel of maximum power value can be chosen as destination channel current UE by choosing module 50.

By the embodiment of the present invention, the signal power value of UE destination channels and adjacency channel is obtained, and condition will be met The corresponding adjacency channel of performance number is on the lower side when big so that receiving terminal is with correct target as the real destination channels of the UE Value carries out the extraction of corresponding UE signals, so that LTE system wireless performance on the lower side when greatly improving big.

As can be seen from the above description, the present invention realizes following technique effect:It is each by obtaining user equipment (UE) The signal power value of the signal power value of the destination channel of individual time slot and the adjacency channel of destination channel;For UE it is each when Gap, the signal power value for determining the destination channel of the time slot is not the signal power value of destination channel and the signal work(of adjacency channel Maximum power value and minimal power values in rate value, and the signal power value of maximum power value and destination channel ratio be more than it is pre- If threshold value;It is then determined that the maximum power value adjacency channel corresponding with minimal power values between each time slot of UE is identical, choose most The corresponding adjacency channel of high-power value is destination channel current UE.Enable receiving terminal when it is partially larger in the case of, with Correct desired value carries out the extraction of corresponding UE signals, so that LTE system wireless performance on the lower side when greatly improving big.

Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to they are stored Performed in the storage device by computing device, and in some cases, can be shown to be performed different from order herein The step of going out or describe, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.

The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (8)

1. a kind of choosing method of ascending control channel PUCCH destination channel, it is characterised in that including:
The letter of the signal power value of the destination channel of each time slot of acquisition user equipment (UE) and the adjacency channel of the destination channel Number performance number, wherein, the signal power value of the signal power value of the destination channel and the adjacency channel of the destination channel is Calculate what is obtained using the symbol frequency domain spreading sequences cyclic shift value of the destination channel;
For each time slot of the UE, the signal power value for determining the destination channel of the time slot is not the destination channel Signal power value and the adjacency channel signal power value in maximum power value and minimal power values, and the maximum work The ratio of rate value and the signal power value of the destination channel is more than predetermined threshold value;
Determine that the maximum power value adjacency channel corresponding with minimal power values between each time slot of the UE is identical, choose institute It is the destination channel current UE to state the corresponding adjacency channel of maximum power value.
2. according to the method described in claim 1, it is characterised in that the signal power value of the destination channel of each time slot of acquisition UE With the signal power value of the adjacency channel of the destination channel, including:
Determine the corresponding symbol frequency domain spreading sequences cyclic shift value of each time slot destination channel of the UE;
Using the symbol frequency domain spreading sequences cyclic shift value of determination, the left circulation of the symbol frequency domain spreading sequences is calculated Shift value and right cyclic shift value;
According to the symbol frequency domain spreading sequences cyclic shift value, left cyclic shift value and right cyclic shift value, institute is calculated respectively State the signal power value of UE each time slot destination channel, left adjacent passage and right adjacent passage.
3. method according to claim 2, it is characterised in that for each time slot of the UE, determine the institute of the time slot The signal power value for stating destination channel is not the signal power value of the destination channel and the signal power value of the adjacency channel In maximum power value and minimal power values, including:
If the maximum power value left adjacent passage of correspondence and the right adjacent passage of minimal power values correspondence of the time slot, by institute The index that the corresponding passage index of maximum power value is set to the left adjacent passage is stated, by the corresponding passage of the minimal power values Index is set to the index of the right adjacent passage, if the maximum power value right adjacent passage of correspondence of the time slot and the minimum The corresponding passage index of the maximum power value, then be set to the index of the right adjacent passage by the left adjacent passage of performance number correspondence, The corresponding passage index of the minimal power values is set to the index of the left adjacent passage;
Judge that the corresponding passage index of the maximum power value and the corresponding passage index of the minimal power values are not institute State the passage index of destination channel, it is determined that the signal power value of the destination channel of the time slot is not the destination channel Signal power value and maximum power value and minimal power values in the signal power value of the adjacency channel.
4. method according to claim 2, it is characterised in that determine the maximum power value between each time slot of the UE Adjacency channel corresponding with minimal power values is identical, including:
For each time slot of the UE, if the signal power value of the left adjacent passage of the time slot is the maximum power value, And the ratio of the signal power value of the maximum power value and the destination channel is more than predetermined threshold value, then putting the time slot Dehorn, which is known, is set to the first default mark, if the signal power value of the right adjacent passage of the time slot is the maximum power value, And the ratio of the signal power value of the maximum power value and the destination channel is more than predetermined threshold value, then putting the time slot Dehorn, which is known, is set to the second default mark;
Judge whether the identification-replaceable of each time slot of the UE is identical, and be that the described first default mark or described second are preset Mark, if it is, determining that the maximum power value and the minimal power values between each time slot of the UE are corresponding adjacent Passage is identical.
5. a kind of selecting device of ascending control channel PUCCH destination channel, it is characterised in that including:
Acquisition module, signal power value and the destination channel for the destination channel that obtains user equipment (UE) each time slot The signal power value of adjacency channel, wherein, the signal power value of the destination channel and the adjacency channel of the destination channel Signal power value is to calculate to obtain using the symbol frequency domain spreading sequences cyclic shift value of the destination channel;
First determining module, the signal power value of the destination channel of each time slot for determining the UE is not the mesh Mark the signal power value of passage and maximum power value and minimal power values in the signal power value of the adjacency channel;
Second determining module, for determining that it is pre- that the ratio of the maximum power value and the signal power value of the destination channel is more than If threshold value;
3rd determining module, for determining the maximum power value and the corresponding phase of minimal power values between each time slot of the UE Adjacent passage is identical;
Module is chosen, is the destination channel current UE for choosing the corresponding adjacency channel of the maximum power value.
6. device according to claim 5, it is characterised in that the acquisition module includes:
Determining unit, for determining the corresponding symbol frequency domain spreading sequences cyclic shift value of each time slot destination channel of the UE;
First computing unit, for the symbol frequency domain spreading sequences cyclic shift value using determination, when calculating each respectively The left cyclic shift value and right cyclic shift value of the symbol frequency domain spreading sequences of limit;
Second computing unit, for according to the symbol frequency domain spreading sequences cyclic shift value, left cyclic shift value and right circulation Shift value, calculates the signal power value of the UE each time slot destination channel, left adjacent passage and right adjacent passage respectively.
7. device according to claim 6, it is characterised in that
Described device also includes:First mark module, the corresponding passage of maximum power value for each time limit to the UE Index passage index corresponding with minimal power values is identified, wherein, for each time slot, if the maximum of the time slot The performance number left adjacent passage of correspondence and the right adjacent passage of minimal power values correspondence, then by the corresponding passage rope of the maximum power value Draw the index for being set to the left adjacent passage, the corresponding passage index of the minimal power values is set to the right adjacent passage Index, will if the maximum power value right adjacent passage of correspondence and the left adjacent passage of minimal power values correspondence of the time slot The corresponding passage index of the maximum power value is set to the index of the right adjacent passage, and the minimal power values are corresponding logical Road indexes the index for being set to the left adjacent passage;
First determining module passes through the corresponding passage index of the maximum power value for judging each time limit of UE and least work Rate value corresponding passage index whether be the destination channel passage index, determine the target of each time slot of the UE The signal power value of passage be not in the signal power value of the destination channel and the signal power value of the adjacency channel most High-power value and minimal power values.
8. device according to claim 6, it is characterised in that
Described device also includes:Second mark module, the identification-replaceable for each time slot to the UE is marked, its In, for each time slot of the UE, if the signal power value of the left adjacent passage of the time slot is the maximum power value, and The maximum power value and the ratio of the signal power value of the destination channel are more than predetermined threshold value, then by the displacement of the time slot Mark is set to the first default mark, if the signal power value of the right adjacent passage of the time slot is the maximum power value, and The maximum power value and the ratio of the signal power value of the destination channel are more than predetermined threshold value, then by the displacement of the time slot Mark is set to the second default mark;
Whether the 3rd determining module is identical by the identification-replaceable for judging each time slot of the UE, determines the UE Whether the maximum power value and the corresponding adjacency channel of minimal power values between each time slot are identical.
CN201110454105.0A 2011-12-30 2011-12-30 The choosing method and device of the destination channel of ascending control channel CN103188802B (en)

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US6430418B1 (en) * 2000-06-19 2002-08-06 Trw Inc. Method and system for controlling uplink power in a satellite communication system using error leveling
CN101686470A (en) * 2008-09-25 2010-03-31 傲世通科技(苏州)有限公司 Method and device for detecting business time slot same frequency interference cell
CN101951679A (en) * 2004-10-19 2011-01-19 夏普株式会社 Base station apparatus, wireless communication system, and wireless transmission method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6430418B1 (en) * 2000-06-19 2002-08-06 Trw Inc. Method and system for controlling uplink power in a satellite communication system using error leveling
CN101951679A (en) * 2004-10-19 2011-01-19 夏普株式会社 Base station apparatus, wireless communication system, and wireless transmission method
CN101686470A (en) * 2008-09-25 2010-03-31 傲世通科技(苏州)有限公司 Method and device for detecting business time slot same frequency interference cell

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