CN101600245B - Method and device for activating and deactivating auxiliary carrier in dual carrier HSDPA - Google Patents

Method and device for activating and deactivating auxiliary carrier in dual carrier HSDPA Download PDF

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Publication number
CN101600245B
CN101600245B CN2009101515517A CN200910151551A CN101600245B CN 101600245 B CN101600245 B CN 101600245B CN 2009101515517 A CN2009101515517 A CN 2009101515517A CN 200910151551 A CN200910151551 A CN 200910151551A CN 101600245 B CN101600245 B CN 101600245B
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carrier wave
historical throughput
terminal
auxilliary carrier
deexcitation
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CN101600245A (en
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陈冬雷
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Global Innovation Polymerization LLC
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a method for activating and deactivating an auxiliary carrier in a dual carrier HSDPA, which comprises the following steps: judging whether a terminal is scheduled on a main carrier or an auxiliary carrier in a preset scheduling period; according to a judgment result, calculating a historical throughput rate on a priority queue; under the condition of reaching a scheduling period with a preset quantity, sampling historical throughput to obtain a maximum value; comparing the maximum value of the historical throughput and a preset threshold; and according to a comparison result, selectively activating and deactivating the auxiliary carrier or keeping the state of the auxiliary carrier unchanged. The invention also provides a device for activating and deactivating the auxiliary carrier in the HSDPA. The method and the device achieve the aim of activating and deactivating the auxiliary carrier timely for UE according to the load condition of the UE, also reduce additional network control overhead brought by HS-SCCH order transmission, save the power consumption of the UE and improve the transmission rate of the UE.

Description

Auxilliary carrier wave activation and anti-activating method and device in the dual carrier HSDPA
Technical field
The present invention relates to high-speed packet and insert evolution (HSPA+) mobile communication technology, relate in particular to a kind of a kind of auxilliary carrier wave activation and anti-activating method and device thereof in dual carrier HSDPA.
Background technology
3G (Third Generation) Moblie partner program (3GPP) improves the downlink user peak rate by multiple-input and multiple-output (MIMO) and descending high-order modulation (64QAM), but compare high speed downlink packet and insert (HSDPA), the user does not obtain bigger improvement in cell edge speed.For this reason, introduced the dual carrier HSDPA technology among the 3GPP, dual carrier HSDPA and 2 * 2MIMO are under the situation that adopts identical order of modulation, can reach identical peak rate, but dual carrier HSDPA is compared 2 * 2MIMO, aspect sub-district average throughput and the Cell Edge User speed better performance is being arranged all.
In the dual carrier HSDPA technology, terminal (UE) is not constantly all to be to be in two carrier waves to receive, when the data of UE power limited or descending needs transmission are fewer, NodeB can carry out deexcitation to auxilliary carrier wave by sending HS-SCCH order, similarly, when the enough or descending data that need send of UE power were many, Node B also can activate auxilliary carrier wave by sending HS-SCCH order.HS-SCCH order sends on the HS-SCCH channel by scheduler schedules.Fewer when the descending data of transmission that need, by auxilliary carrier wave is carried out deexcitation, UE can only carry out down link at main carrier and receive, thereby saves the UE power consumption.
At present, do not see that also carrier wave activates and the specific implementation method of deexcitation about according to data rate two carrier wave UE being assisted.
Therefore need a kind of method of two carrier wave UE being assisted carrier wave activation and deexcitation.
Summary of the invention
In view of above-mentioned weak point of the prior art, the objective of the invention is to, provide the method for assisting carrier wave activation and deexcitation in a kind of dual carrier HSDPA, with the power consumption or the raising transmission rate of saving UE.
According to an aspect of the present invention, provide the auxilliary carrier wave in a kind of dual carrier HSDPA to activate and anti-activating method, having comprised: step S102, to judge whether terminal is scheduled predetermined dispatching cycle on main carrier or auxilliary carrier wave; Step S104, according to judged result, the historical throughput of computing terminal in priority query; Step S106 under the situation of the dispatching cycle that reaches predetermined quantity, samples to historical throughput, obtains its maximum; Step S108 compares the maximum and the predetermined threshold value of historical throughput, and step S110, and according to comparative result, if when the maximum of historical throughput is in state of activation less than lower threshold and auxilliary carrier wave, carrier wave is assisted in deexcitation; If the maximum of historical throughput is greater than or equal to upper limit threshold and auxilliary carrier wave when being in unactivated state, activate auxilliary carrier wave; Otherwise, keep auxilliary Carrier State constant.
Wherein, in said method, under the situation of the dispatching cycle that does not reach predetermined quantity, keep the state of auxilliary carrier wave constant.
Wherein, in said method,, then calculate historical throughput according to following formula if judged result is that terminal is not scheduled:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n )
Wherein, Th K, p(n+1) historical throughput of expression n+1 moment terminal k on the p of priority query, 1/ τ represents forgetting factor, { just historical throughput is carried out smoothly when Q＞0} represents in the formation data to be arranged.
Wherein, in said method,, then calculate historical throughput according to following formula if judged result is that terminal is scheduled:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n ) + ( TB 1 , k ( n + 1 ) + TB 2 , k ( n + 1 ) ) / 2 τ
Wherein, TB 1, k(n+1) and TB 2, k(n+1) size of the expression n+1 moment the 1st and the 2nd transmission block, Th K, p(n+1) the expression n+1 historical throughput of terminal k on the p of priority query constantly, 1/ τ represents forgetting factor, when representing in the formation data to be arranged, Q＞0} just historical throughput is carried out smoothly, and wherein when terminal is not scheduled on certain carrier wave or retransmits, TB I, k(n+1)=0, in addition, under terminal is scheduled situation, but on certain carrier wave, send be HS-SCCH order the time, TB I, k(n+1)=0.
Wherein, in said method, produce by Node B and to be used to activate or the HS-SCCH order of the auxilliary carrier wave of deexcitation and send HS-SCCHorder in next dispatching cycle to terminal and come auxilliary carrier wave is activated or deexcitation.
According to another aspect of the present invention, a kind of auxilliary carrier wave activation and deexcitation device that two carrier wave high speed downlink packet insert that be used for is provided, comprise: the scheduling judge module is used for to judge whether terminal is scheduled predetermined dispatching cycle on main carrier or auxilliary carrier wave; Computing module is used for the judged result according to the scheduling judge module, the historical throughput of computing terminal in priority query; Sampling module is used under the situation of the dispatching cycle that reaches predetermined quantity historical throughput being sampled, and obtains its maximum; Comparison module, be used for the maximum and the predetermined threshold value of historical throughput are compared, and processing module, be used for according to comparative result, optionally carrier wave activates or the state of deexcitation or the auxilliary carrier wave of maintenance is constant to assisting, and wherein, also comprises in the processing module: first processing unit, be used for when maximum is in state of activation less than lower threshold and auxilliary carrier wave, carrier wave is assisted in deexcitation; And second processing unit, be used for when maximum is greater than or equal to upper limit threshold and auxilliary carrier wave and is in unactivated state, activating auxilliary carrier wave.
Wherein, also comprise in the computing module: first computing unit, the judged result that is used at the scheduling judge module is under the terminal situation about not being scheduled, and calculates historical throughput according to following formula:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n )
Wherein, Th K, p(n+1) historical throughput of expression n+1 moment terminal k on the p of priority query, 1/ τ represents forgetting factor, { just historical throughput is carried out smoothly when Q＞0} represents in the formation data to be arranged.
Wherein, also comprise in the computing module: second computing unit is under the terminal situation about being scheduled in the judged result of scheduling judge module, calculates historical throughput according to following formula:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n ) + ( TB 1 , k ( n + 1 ) + TB 2 , k ( n + 1 ) ) / 2 τ
Wherein, TB 1, k(n+1) and TB 2, k(n+1) size of the expression n+1 moment the 1st and the 2nd transmission block, Th K, p(n+1) the expression n+1 historical throughput of terminal k on the p of priority query constantly, 1/ τ represents forgetting factor, when representing in the formation data to be arranged, Q＞0} just historical throughput is carried out smoothly, and wherein when terminal is not scheduled on certain carrier wave or retransmits, TB I, k(n+1)=0, in addition, under terminal is scheduled situation, but on certain carrier wave, send be HS-SCCH order the time, TB I, k(n+1)=0.
Wherein, in said apparatus, also comprise: HS-SCCH order generates and sending module, is used to that Node B is produced and is used to activate or the HS-SCCH order of the auxilliary carrier wave of deexcitation and send HS-SCCH order in next dispatching cycle to terminal and come auxilliary carrier wave is activated or deexcitation.
Technical scheme of the present invention has realized following technique effect:
By technical scheme of the present invention, realized in time UE being assisted the purpose of carrier wave activation or deexcitation according to the UE loading condition, simultaneously will not send too many HS-SCCHorder yet, send the complementary network control expense bring thereby reduce HS-SCCH order, saved the power consumption of UE and improved the transmission rate of UE.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is that the auxilliary carrier wave in the dual carrier HSDPA activates and the anti-activating method flow chart according to an embodiment of the invention;
Fig. 2 is that the auxilliary carrier wave in the dual carrier HSDPA activates and the anti-activating method flow chart in accordance with another embodiment of the present invention; And
Fig. 3 is that the auxilliary carrier wave in the dual carrier HSDPA activates and deexcitation device schematic diagram according to an embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is described.
Fig. 1 is that the auxilliary carrier wave in the dual carrier HSDPA activates and the anti-activating method flow chart according to an embodiment of the invention;
This method may further comprise the steps, and step S102 is to judge whether UE is scheduled predetermined dispatching cycle on main carrier or auxilliary carrier wave; Step S104 according to judged result, calculates the historical throughput of UE in priority query; Step S106 under the situation of the dispatching cycle that reaches predetermined quantity, samples to historical throughput, obtains its maximum; Step S108 compares the maximum and the predetermined threshold value of historical throughput, and step S110, according to comparative result, optionally auxilliary carrier wave is activated or deexcitation or keep the state of auxilliary carrier wave constant.
Wherein, under the situation of the dispatching cycle that does not reach predetermined quantity, keep the state of auxilliary carrier wave constant.
Wherein, if judged result is that UE is not scheduled, then calculate historical throughput according to following formula:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n )
Wherein, Th K, p(n+1) historical throughput of expression n+1 moment UEk on the p of priority query, 1/ τ represents forgetting factor, { just historical throughput is carried out smoothly when Q＞0} represents in the formation data to be arranged.
Wherein, if judged result is that UE is scheduled, then calculate historical throughput according to following formula:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n ) + ( TB 1 , k ( n + 1 ) + TB 2 , k ( n + 1 ) ) / 2 τ
Wherein, TB 1, k(n+1) and TB 2, k(n+1) size of the expression n+1 moment the 1st and the 2nd transmission block, Th K, p(n+1) the expression n+1 historical throughput of UEk on the p of priority query constantly, 1/ τ represents forgetting factor, when representing in the formation data to be arranged, Q＞0} just historical throughput is carried out smoothly, and wherein when UE is not scheduled on certain carrier wave or retransmits, TB I, k(n+1)=0.In addition, under terminal is scheduled situation, but on certain carrier wave, send be HS-SCCHorder the time, TB I, k(n+1)=0.
Wherein, if when the maximum of historical throughput is in state of activation less than lower threshold and auxilliary carrier wave, carrier wave is assisted in deexcitation; If the maximum of historical throughput is greater than or equal to upper limit threshold and auxilliary carrier wave when being in unactivated state, activate auxilliary carrier wave; Otherwise, keep auxilliary Carrier State constant.
Wherein, produce by Node B and be used to activate or the HS-SCCHorder of the auxilliary carrier wave of deexcitation and send HS-SCCH order in next dispatching cycle to UE and come auxilliary carrier wave is activated or deexcitation.
Fig. 2 is that the auxilliary carrier wave in the dual carrier HSDPA activates and the anti-activating method flow chart in accordance with another embodiment of the present invention;
This method may further comprise the steps:
Steps A: every 2ms dispatching cycle judge whether UE is scheduled on main carrier or auxilliary carrier wave,, then calculate historical throughput, otherwise enter step B according to formula (1) if UE is not scheduled on any carrier wave;
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n ) - - - ( 1 )
Wherein, Th K, p(n+1) historical throughput of expression n+1 moment UEk on the p of priority query, 1/ τ represents forgetting factor, { just historical flow is carried out smoothly getting τ=300 here when Q＞0} represents in the formation data to be arranged.
Step B: under the situation that UE is scheduled, UE calculates historical throughput according to formula (2), and its computing formula is as follows:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n ) + ( TB 1 , k ( n + 1 ) + TB 2 , k ( n + 1 ) ) / 2 τ - - - ( 2 )
Wherein, TB 1, k(n+1) and TB 2, k(n+1) size of the expression n+1 moment the 1st and the 2nd transmission block, other variable is identical with implication in the formula (1).When UE is not scheduled on certain carrier wave or retransmits, TB I, k(n+1)=0.
Step C: whether what judge that UE sends on main carrier or auxilliary carrier wave is HS-SCCH orders, if, the TB in the formula (1) I, k(n+1)=0;
Step D: (for example, M=50) individual dispatching cycle is not if useless reaching then needs UE is produced the HS-SCCHorder that is used for auxilliary carrier wave activation and deexcitation, otherwise enter step e to judge whether to reach M;
Step e: sample history throughput, and the maximum MaxTh of the historical throughput of each priority query of acquisition UE K, p(n+1):
MaxTh k , p ( n + 1 ) = Max p { Th k , p ( n + 1 ) }
Step F: work as MaxTh K, p(n+1) less than k i, and the auxilliary carrier wave of UE is when being in state of activation, Node B need produce the HS-SCCH order that is used for the auxilliary carrier wave of deexcitation, for example, k here l=5%*V Peak, when adopting 16QAM for UE on every carrier wave, V PeakBe 28.8Mbps, otherwise change step G over to;
Step G: work as MaxTh K, p(n+1) be greater than or equal to k h, and the auxilliary carrier wave of UE is when being in unactivated state, Node B need produce the HS-SCCH order that is used to activate auxilliary carrier wave, for example, k here h=20%*V Peak, when adopting 16QAM for UE on every carrier wave, V PeakBe 28.8Mbps, otherwise change step H over to;
Step H: work as MaxTh K, p(n+1) be greater than or equal to k l, and less than k hThe time, auxilliary carrier wave keeps original state constant, and Node B will not produce HS-SCCH order and be used for auxilliary carrier wave is activated or deexcitation, for example, k here l=5%*V Peak, k h=20%*V Peak, when adopting 16QAM for UE on every carrier wave, V PeakBe 28.8Mbps.
When on Node B, produce be used to activate or the HS-SCCHorder of the auxilliary carrier wave of deexcitation after, in next dispatching cycle, Node B scheduler will determine whether UE to be sent the HS-SCCH order of auxilliary carrier wave activation or deexcitation.
Fig. 3 is that the auxilliary carrier wave in the dual carrier HSDPA activates and deexcitation device schematic diagram according to an embodiment of the invention.
As shown in the figure, the auxilliary carrier wave in this dual carrier HSDPA activates with the deexcitation device and comprises: scheduling judge module 302 is used for to judge whether UE is scheduled predetermined dispatching cycle on main carrier or auxilliary carrier wave; Computing module 304 is used for the judged result according to the scheduling judge module, calculates the historical throughput of UE in priority query; Sampling module 306 is used under the situation of the dispatching cycle that reaches predetermined quantity historical throughput being sampled, and obtains its maximum; Comparison module 308 is used for the maximum and the predetermined threshold value of historical throughput are compared, and processing module 310, is used for according to comparative result, and optionally carrier wave activates or the state of deexcitation or the auxilliary carrier wave of maintenance is constant to assisting.
Wherein also comprise in the computing module: first computing unit is used for judged result at judge module and is calculating historical throughput according to following formula under the situation that UE is not scheduled:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n ) - - - ( 1 )
Wherein, Th K, p(n+1) historical throughput of expression n+1 moment UEk on the p of priority query, 1/ τ represents forgetting factor, { just historical throughput is carried out smoothly when Q＞0} represents in the formation data to be arranged.
Wherein also comprise in the computing module: second computing unit is under the UE situation about being scheduled in the judged result of judge module, calculates historical throughput according to following formula:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n ) + ( TB 1 , k ( n + 1 ) + TB 2 , k ( n + 1 ) ) / 2 τ - - - ( 2 )
Wherein, TB 1, k(n+1) and TB 2, k(n+1) the expression n+1 size of the 1st and the 2nd transmission block constantly, other variable is identical with the middle implication of formula (1), wherein when UE is not scheduled on certain carrier wave or retransmits, TB I, k(n+1)=0.In addition, under terminal is scheduled situation, but on certain carrier wave, send be HS-SCCH order the time, TB I, k(n+1)=0.
Wherein, also comprise in the processing module: first processing unit, be used for when maximum is in state of activation less than lower threshold and auxilliary carrier wave, carrier wave is assisted in deexcitation; And second processing unit, be used for when maximum is greater than or equal to upper limit threshold and auxilliary carrier wave and is in unactivated state, activating auxilliary carrier wave.
Wherein, this device also comprises: indication generates and sending module, is used to that Node B is produced and is used to activate or the HS-SCCH order of the auxilliary carrier wave of deexcitation and send HS-SCCH order in next dispatching cycle to UE and come auxilliary carrier wave is activated or deexcitation.
The present invention has realized following technique effect:
By technical scheme of the present invention, realized in time UE being assisted the purpose of carrier wave activation or deexcitation according to the UE loading condition, simultaneously will not send too many HS-SCCHorder yet, send the complementary network control expense bring thereby reduce HS-SCCH order, saved the power consumption of UE and improved the transmission rate of UE.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. one kind is used for auxilliary carrier wave activation and the anti-activating method that two carrier wave high speed downlink packet insert, and it is characterized in that comprising:
Step S102 is to judge whether terminal is scheduled predetermined dispatching cycle on main carrier or auxilliary carrier wave;
Step S104 according to judged result, calculates the historical throughput of described terminal in priority query;
Step S106 under the situation of the dispatching cycle that reaches predetermined quantity, samples to described historical throughput, obtains its maximum;
Step S108 compares the maximum and the predetermined threshold value of described historical throughput, and
Step S110, according to described comparative result, if when the maximum of described historical throughput is in state of activation less than lower threshold and described auxilliary carrier wave, the described auxilliary carrier wave of deexcitation; If the maximum of described historical throughput is greater than or equal to upper limit threshold and described auxilliary carrier wave when being in unactivated state, activate described auxilliary carrier wave; Otherwise, keep described auxilliary Carrier State constant.
2. the auxilliary carrier wave that is used for two carrier wave high speed downlink packet accesses according to claim 1 activates and anti-activating method, it is characterized in that:
Under the situation of the described dispatching cycle that does not reach predetermined quantity, keep the state of described auxilliary carrier wave constant.
3. the auxilliary carrier wave that is used for two carrier wave high speed downlink packet accesses according to claim 1 activates and anti-activating method, it is characterized in that:
If judged result is that terminal is not scheduled, then calculate described historical throughput according to following formula:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n )
Wherein, Th K, p(n+1) historical throughput of expression n+1 moment terminal k on the p of priority query, 1/ τ represents forgetting factor, { just historical throughput is carried out smoothly when Q＞0} represents in the formation data to be arranged.
4. the auxilliary carrier wave that is used for two carrier wave high speed downlink packet accesses according to claim 1 activates and anti-activating method, it is characterized in that:
If described judged result is that terminal is scheduled, then calculate described historical throughput according to following formula:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n ) + ( TB 1 , k ( n + 1 ) + TB 2 , k ( n + 1 ) ) / 2 τ
Wherein, TB 1, k(n+1) and TB 2, k(n+1) size of the expression n+1 moment the 1st and the 2nd transmission block, Th K, p(n+1) the expression n+1 historical throughput of terminal k on the p of priority query constantly, 1/ τ represents forgetting factor, when representing in the formation data to be arranged, Q＞0} just historical throughput is carried out smoothly, and wherein when terminal is not scheduled on certain carrier wave or retransmits, TB I, k(n+1)=0, in addition, under terminal is scheduled situation, but on certain carrier wave, send be HS-SCCH order the time, TB I, k(n+1)=0.
5. each describedly is used for auxilliary carrier wave that two carrier wave high speed downlink packet insert and activates and anti-activating method in requiring according to aforesaid right, it is characterized in that: produce by Node B and be used to activate or the HS-SCCH order of the auxilliary carrier wave of deexcitation and send HS-SCCH order in next dispatching cycle to terminal and come described auxilliary carrier wave is activated or deexcitation.
6. one kind is used for the auxilliary carrier wave activation and deexcitation device that two carrier wave high speed downlink packet insert, and it is characterized in that comprising:
The scheduling judge module is used for to judge whether terminal is scheduled predetermined dispatching cycle on main carrier or auxilliary carrier wave;
Computing module is used for the judged result according to described scheduling judge module, calculates the historical throughput of described terminal in priority query;
Sampling module is used under the situation of the dispatching cycle that reaches predetermined quantity described historical throughput being sampled, and obtains its maximum;
Comparison module is used for the maximum and the predetermined threshold value of described historical throughput are compared, and
Processing module, be used for according to described comparative result, optionally described auxilliary carrier wave is activated or deexcitation or keep the state of described auxilliary carrier wave constant, also comprise in the wherein said processing module: first processing unit, be used for when described maximum is in state of activation less than lower threshold and described auxilliary carrier wave the described auxilliary carrier wave of deexcitation;
And second processing unit, be used for when described maximum is greater than or equal to upper limit threshold and described auxilliary carrier wave and is in unactivated state, activating described auxilliary carrier wave.
7. the auxilliary carrier wave that is used for two carrier wave high speed downlink packet accesses according to claim 6 activates and the deexcitation device, it is characterized in that also comprising in the described computing module:
First computing unit is used for judged result at described scheduling judge module and is calculating described historical throughput according to following formula under the situation that terminal is not scheduled:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n )
Wherein, Th K, p(n+1) historical throughput of expression n+1 moment terminal k on the p of priority query, 1/ τ represents forgetting factor, { just historical throughput is carried out smoothly when Q＞0} represents in the formation data to be arranged.
8. the auxilliary carrier wave that is used for two carrier wave high speed downlink packet accesses according to claim 7 activates and the deexcitation device, it is characterized in that also comprising in the described computing module:
Second computing unit is under the terminal situation about being scheduled in the judged result of described scheduling judge module, calculates described historical throughput according to following formula:
Th k , p ( n + 1 ) = ( 1 - { Q > 0 } 1 τ ) · Th k , p ( n ) + ( TB 1 , k ( n + 1 ) + TB 2 , k ( n + 1 ) ) / 2 τ
Wherein, TB 1, k(n+1) and TB 2, k(n+1) size of the expression n+1 moment the 1st and the 2nd transmission block, Th K, p(n+1) the expression n+1 historical throughput of terminal k on the p of priority query constantly, 1/ τ represents forgetting factor, when representing in the formation data to be arranged, Q＞0} just historical throughput is carried out smoothly, and wherein when terminal is not scheduled on certain carrier wave or retransmits, TB I, k(n+1)=0, in addition, under terminal is scheduled situation, but on certain carrier wave, send be HS-SCCH order the time, TB I, k(n+1)=0.
9. activate and the deexcitation device according to each described auxilliary carrier wave that is used for two carrier wave high speed downlink packet accesses among the claim 6-8, it is characterized in that also comprising:
HS-SCCH orde generation and sending module are used to make the Node B generation to be used to activate or deexcitation assists the HS-SCCH order of carrier wave and send HS-SCCH order in next dispatching cycle to terminal to activate or deexcitation assisting carrier wave.
CN2009101515517A 2009-06-30 2009-06-30 Method and device for activating and deactivating auxiliary carrier in dual carrier HSDPA Expired - Fee Related CN101600245B (en)

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