CN100377509C - Method for confirming carrier reverse channel initial transmitting power - Google Patents

Method for confirming carrier reverse channel initial transmitting power Download PDF

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Publication number
CN100377509C
CN100377509C CNB200510126118XA CN200510126118A CN100377509C CN 100377509 C CN100377509 C CN 100377509C CN B200510126118X A CNB200510126118X A CN B200510126118XA CN 200510126118 A CN200510126118 A CN 200510126118A CN 100377509 C CN100377509 C CN 100377509C
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reverse
carrier wave
power
newly
built
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CN1801663A (en
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卢建民
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CNB200510126118XA priority Critical patent/CN100377509C/en
Publication of CN1801663A publication Critical patent/CN1801663A/en
Priority to PCT/CN2006/001889 priority patent/WO2007019780A1/en
Priority to CN2006800121917A priority patent/CN101160739B/en
Priority to JP2008526356A priority patent/JP4642902B2/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Abstract

The present invention relates to a method for determining the initial transmitting power of a carrier wave reverse channel. The present invention mainly comprises: in a multi-carrier system of already existing reverse carrier waves, when reverse carrier waves need to be reestablished, the initial transmitting power of a reverse channel for the reestablished reverse carrier waves is determined according to the transmitting power of the pilot frequency of a service channel of the already existing reverse carrier waves or receiving power corresponding to the pilot frequency of forward carrier waves. The present invention can work out the pilot frequency power of the service channel of the reestablished reverse carrier waves according to the transmitting power of the currently existing reverse carrier waves; therefore, the present invention has the advantages of rapidly converging power as possible, decreasing system interference and improving the stable speed of wireless communication.

Description

Determine the method for carrier reverse channel initial transmitting power
Technical field
The present invention relates to wireless communication technology field, relate in particular to the method for determining newly-increased carrier reverse channel initial transmitting power in a kind of wireless communication system.
Background technology
In mobile radio system, terminal is all finished the transmission of initialization signaling or short message usually by Reverse Access Channel.Owing to do not set up two-way connection between terminal and the system before this,, determine back emitted power so terminal can only be finished the power setting of access channel according to open Loop Power control.
Described open loop power value depends on the path loss and the reverse load of forward link, if the reverse load height then should insert with more high-power, to guarantee the access success rate and to shorten access delay; Otherwise,, then can be unlikely to cause large disturbance with less power access if reverse load is light.
In system, for current reverse load situation, system can broadcast in system message usually, and like this, terminal just can determine access power by open Loop Power control according to this load condition.Yet the broadcasting of system message is long at interval usually, causes broadcast can't accurately and timely reflect the quick variation of reverse load.Therefore, the open loop power of the access channel of determining based on the reverse load situation just can't accurately obtain, and then makes and can't determine rational back emitted power.
Be the method for adjustment of example with CDMA2000 1X EV-DO system below to backward channel transmitting power in the wireless communication system.
According to agreement regulation, the transmitting power Y of EV-DO (system that CDMA2000 1X is strengthened in data service) i access exploration probe of system reverse access channel is produced by following formula:
Y＝X 0+(i-1)×PoweStep；
Wherein:
X 0＝-Mean_Rx_Power(dBm)+OpenLoopAdjust+ProbeInitialAdjust；
PowerStep (power increment), OpenLoopAdjust (open loop adjustment) that relates in above-mentioned two formula and ProbelnitialAdjust (access exploration is initially adjusted) parameter are the field among the forward direction AccessParameters message (access parameter messages).The concrete numerical value of each parameter is determined by AN (Access Network), and be handed down to by AccessParameters message and access terminal, access terminal like this and just can from AccessParameters message, obtain relevant parameters information, and then calculate the transmitting power Y that obtains access exploration.
In system, the interval that AN sends AccessParameters message must not surpass N ACMPAccessParametersIndividual time slot.General N ACMPAccessParametersDefault value be 768.
Describe as can be known from the front, in above-mentioned wireless communication system, only defined the computational methods of reverse turn-on channel transmitting power.And under the situation for existing reverse carrier wave reverse traffic dedicated channel, the computational methods of the Initial Trans of newly-increased carrier wave but do not provide concrete implementation.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide a kind of method of definite carrier reverse channel initial transmitting power, thereby make power convergence fast as far as possible, reduce system interference, and improve the radio communication stabilized speed.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides a kind of method of definite carrier reverse channel initial transmitting power, comprising:
In the multicarrier system that exists with reference to reverse carrier wave, when the newly-built reverse carrier wave of needs, determine the reverse channel initial transmitting power of this newly-built reverse carrier wave according to the transmitting power estimated value of the Traffic Channel pilot tone of the reverse carrier wave of reference that has existed.
The reverse carrier wave of the described reference that has existed comprises: system by signaling to the terminal appointment, the part or all of reverse carrier wave that existed.
Described method comprises:
By the reverse carrier wave of the reference of system's designated terminal, and will this reference oppositely the transmitting power of carrier wave Traffic Channel pilot tone as the benchmark of the reverse channel initial transmitting power of this newly-built reverse carrier wave.
Described method also comprises:
Adopt the reverse carrier wave as a reference reverse carrier wave nearest at interval with newly-built reverse carrier frequency.
Described method comprises:
Adopt all with reference to the reverse channel initial transmitting power of the minimum value in the transmitting power of the Traffic Channel pilot tone of reverse carrier wave as this newly-built reverse carrier wave;
Perhaps,
Adopt all with reference to the reverse channel initial transmitting power of the maximum in the transmitting power of the Traffic Channel pilot tone of reverse carrier wave as this newly-built reverse carrier wave;
Perhaps,
Adopt all reverse channel initial transmitting powers with reference to this newly-built reverse carrier wave of weighted average conduct of the transmitting power of the Traffic Channel pilot tone of reverse carrier wave.
In the method for the present invention, when asking weighted average, corresponding weighing is issued by system or specifies in advance.
The invention provides the another kind of method of determining carrier reverse channel initial transmitting power, comprising:
In existing with reference to forward carriers and multicarrier system with reference to reverse carrier wave, when the newly-built reverse carrier wave of needs, according to the reference forward carriers that has existed with determine the reverse channel initial transmitting power of this newly-built reverse carrier wave with reference to the reverse received power estimated value of carrier wave.
Described method comprises:
Determine existing access parameter with reference to forward carriers FL1: open loop power is adjusted OpenLoopAdjust_FL1 and access exploration is initially adjusted ProbeInitialAdjust_FL1, pilot power estimated value Pilot_Power_FL1 with reference to forward carriers, and and the reverse carrier wave RL1 of its corresponding reference Traffic Channel pilot transmit power estimated value PilotPower_RL1, and before calculating this reference, oppositely carrier wave is to the value and power reference of FL1/RL1 correspondence: Reference_1=PilotPower_RL1+Pilot_Power_FL1-OpenLoopAdjus t_FL1-ProbeInitialAdjust_FL1; Perhaps, system adjusts parameter A djustParameter by transmitting signaling downwards, Reference_1=PilotPower_RL1+Pilot_Power_FL1-AdjustParamet er, AdjustParameter are according to the pilot transmit power of the forward carriers of the pilot transmit power of reference forward carriers, newly-built reverse carrier wave correspondence, with reference to oppositely the mean receiving power of carrier wave and the mean receiving power of newly-built reverse carrier wave are determined;
The value and power reference of correspondence is calculated the Traffic Channel pilot tone Initial Trans InitialPilotPower_RL of newly-built reverse carrier wave according to reverse carrier wave before described.
Described method comprises:
The nearest at interval existing preceding oppositely carrier wave of selection and newly-built reverse carrier frequency to the Initial Trans InitialPilotPower_RL4 that pairing reference value Reference_3 calculates reverse newly-built carrier wave Traffic Channel pilot tone is:
InitialPilotPower_RL4=Reference_3-(Pilot_Power_FL4-OpenLoopAdjust_FL4-ProbeInitialAdjust_FL 4); Perhaps, InitialPilotPower_RL4=Reference_3-Pilot_Power_FL4;
Perhaps,
Select all as the Initial Trans InitialPilotPower_RL4 of reverse newly-built carrier wave Traffic Channel pilot tone to be with reference to the weighted average of Traffic Channel pilot power:
InitialPilotPower_RL4=K1*Reference_1+K2*Reference_2+K3*R eference_3-(Pilot_Power_FL4-OpenLoopAdjust_FL4-ProbeInitialAdjust_FL 4); Perhaps, InitialPilotPower_RL4=K1*Reference_1+K2*Reference_2+K3*R eference_3-Pilot_Power_FL4;
Wherein, K1, K2, K3 are weight parameter, can arrange in advance or be issued by system.
The present invention also provides a kind of method of definite carrier reverse channel initial transmitting power, and described method comprises:
When existing, then according to the reverse channel initial transmitting power of determining newly-built reverse carrier wave with reference to the reverse transmitting power of the Traffic Channel of carrier wave with reference to reverse carrier wave;
When not existing with reference to reverse carrier wave, then determine the reverse channel initial transmitting power of newly-built reverse carrier wave according to the received power of the reference forward carriers that has existed, wherein, the described reference forward carriers that has existed comprises: system is by the forward carriers that partly or entirely existed of signaling to the terminal appointment, the perhaps forward carriers and the pairing forward carriers of newly-built reverse carrier wave of the reverse carrier wave correspondence of reference.
Described received power according to the reference forward carriers determines that the step of the reverse channel initial transmitting power of newly-built reverse carrier wave comprises:
Determine the access parameter OpenLoopAdjust_FL4 and the ProbeInitialAdjust_FL4 of this forward carriers, and the pilot power Pilot_Power_FL4 of forward carriers;
The Initial Trans InitialPilotPower_RL4 that calculates newly-built reverse carrier wave Traffic Channel pilot tone is: InitialPilotPower_RL4=-Pilot_Power_FL4+OpenLoopAdjust_FL 4+ProbeInitialAdjust_FL4+TrafficToAccessRatio, TrafficToAccessRatio is business and access power ratio, and it can also can be issued by network for appointment in advance.
The present invention also provides a kind of method of definite carrier reverse channel initial transmitting power, comprising:
For the multicarrier system that exists with reference to forward carriers, when the newly-built reverse carrier wave of needs, determine the reverse channel initial transmitting power of this newly-built reverse carrier wave according to the received power estimated value of the reference forward carriers that has existed.
The described reference forward carriers that has existed comprises: system is by the forward carriers that partly or entirely existed of signaling to the terminal appointment, the perhaps forward carriers and the pairing forward carriers of newly-built reverse carrier wave of the reverse carrier wave correspondence of reference.
Described method comprises:
Determine the access parameter OpenLoopAdjust_FL4 and the ProbeInitialAdjust_FL4 of this forward carriers, and the pilot power Pilot_Power_FL4 of forward carriers;
The Initial Trans InitialPilotPower_RL4 that calculates newly-built reverse carrier wave Traffic Channel pilot tone is: InitialPilotPower_RL4=-Pilot_Power_FL4+OpenLoopAdjust_FL 4+ProbeInitialAdjust_FL4+TrafficToAccessRatio, TrafficToAccessRatio is business and access power ratio, and it can also can be issued by network for appointment in advance.
As seen from the above technical solution provided by the invention, the present invention can calculate the pilot power of the Traffic Channel of newly-built reverse carrier wave according to the transmitting power of current existing reverse carrier wave, thereby makes power convergence fast as far as possible, reduce system interference, and improve the radio communication stabilized speed.
Description of drawings
There is the situation schematic diagram of existing reverse carrier wave in Fig. 1 in frequency range for newly-built reverse carrier wave;
There is not the situation schematic diagram of existing reverse carrier wave in Fig. 2 in frequency range for newly-built reverse carrier wave;
Fig. 3 is the specific implementation processing procedure schematic diagram of method of the present invention.
Embodiment
Core of the present invention is in multicarrier system, sets the Traffic Channel pilot tone Initial Trans of other newly-increased reverse carrier waves by preceding oppositely existing carrier information.
For method of the present invention is had further understanding, method of the present invention is done detailed explanation below in conjunction with accompanying drawing.
In multicarrier system, there is reverse carrier wave when, when also needing newly-built reverse carrier wave, if existing ready-made reverse carrier wave in the same band limits of this newly-built reverse carrier wave, as shown in Figure 1, then can adopt a certain predetermined criteria, determine the Initial Trans of newly-built reverse carrier wave Traffic Channel pilot tone according to the received power of transmitting power that has reverse carrier wave Traffic Channel pilot tone now and forward carriers.
Among the present invention, determine that according to the transmitting power of the Traffic Channel pilot tone that has reverse carrier wave the concrete grammar of the Initial Trans of newly-built reverse carrier wave Traffic Channel pilot tone comprises following four kinds, will describe respectively below.
The specific implementation of first method comprises:
Adopt and reverse carrier wave that newly-built reverse carrier frequency is nearest at interval as the back-reference carrier wave, perhaps other specificly have reverse carrier waves as the back-reference carrier wave.With the transmitting power of back-reference carrier wave Traffic Channel pilot tone benchmark as the Initial Trans of reverse newly-built carrier wave Traffic Channel pilot tone, for example, in Fig. 1, the benchmark of the Initial Trans InitialPilotPower_RL3 of newly-increased reverse carrier wave RL3 equals the transmitting power PilotPower_RL2 of the Traffic Channel pilot tone of existing reverse carrier wave RL2.
The specific implementation of second method comprises:
Adopt the benchmark of the minimum value of all Traffic Channel pilot powers that have the reverse carrier wave of reference as the Initial Trans of reverse newly-built carrier wave Traffic Channel pilot tone, the reverse carrier wave of described reference can be selected to be in the reverse carrier wave of reference in the same frequency range with newly-built reverse carrier wave, for example, in Fig. 1, the benchmark of the Initial Trans InitialPilotPower_RL3 of newly-increased reverse carrier wave RL3 equals min{PilotPower_RL1, PilotPower_RL2} is the smaller value in the transmitting power of Traffic Channel pilot tone of existing reverse carrier wave RL1 and RL2.
The specific implementation of the third method comprises:
Adopt the benchmark of the maximum of all Traffic Channel pilot powers that have the reverse carrier wave of reference as the Initial Trans of reverse newly-built carrier wave Traffic Channel pilot tone, the reverse carrier wave of described reference can be selected to be in the reverse carrier wave of reference in the same frequency range with newly-built reverse carrier wave, for example, in Fig. 1, the benchmark of the Initial Trans InitialPilotPower_RL3 of newly-increased reverse carrier wave RL3 equals max{PilotPower_RL1, PilotPower_RL2} is the higher value in the transmitting power of Traffic Channel pilot tone of existing reverse carrier wave RL1 and RL2.
The specific implementation of the 4th kind of method comprises:
Adopt the benchmark of the weighted average of all Traffic Channel pilot powers that have the reverse carrier wave of reference as the Initial Trans of reverse newly-built carrier wave Traffic Channel pilot tone, the reverse carrier wave of described reference can be selected to be in the reverse carrier wave of reference in the same frequency range with newly-built reverse carrier wave, for example, in Fig. 1, the benchmark of the Initial Trans InitialPilotPower_RL3 of newly-increased reverse carrier wave RL3 equals { K1*PilotPower_RL1+K2*PilotPower_RL2}, wherein, K1, K2 is the weight parameter of transmission power level correspondence of the Traffic Channel pilot tone of corresponding existing reverse carrier wave RL1 and RL2, concrete numerical value can be issued by system, also can specify in advance.
Method of the present invention also comprises in the specific implementation process: consider preceding oppositely right access parameter information or other parameter informations of carrier wave of the existing reference that exists, determine the reverse channel initial transmitting power of this newly-built reverse carrier wave.Be specifically as follows: if the reverse carrier wave that has not existed in the same band limits of this newly-built reverse carrier wave, then also need to adopt following mode to carry out the determining of Initial Trans value of newly-built reverse carrier wave, promptly consider to exist in other frequency ranges existing before the reverse right access parameter information of carrier wave, determine the reverse channel initial transmitting power of this newly-built reverse carrier wave according to corresponding access parameter information.The specific implementation process of this method comprises:
As shown in Figure 2, reverse carrier wave is to being F1/R1 before the hypothetical reference, access parameter with reference to forward carriers is OpenLoopAdjust_FL1 (open loop power adjustment) and ProbeInitialAdjust_FL1 (access exploration is initially adjusted), terminal receives that the pilot power estimated value with reference to forward carriers is Pilot_Power_FL1, if with reference to reverse carrier wave Traffic Channel pilot transmit power estimated value is PilotPower_RL1, then calculate the value and power reference Reference_1=PilotPower_RL1+Pilot_Power_FL1-OpenLoopAdjus t_FL1-ProbeInitialAdjust_FL1 of the preceding reverse carrier wave of this reference to the F1/R1 correspondence; Perhaps, also can adjust parameter A djustParameter, i.e. Reference_1=PilotPower_RL1+Pilot_Power_FL1-AdjustParamet er by transmitting signaling downwards; Wherein, AdjustParameter mainly is that system is according to the pilot transmit power (being made as B) of the forward carriers of the pilot transmit power (being made as A) of reference forward carriers, newly-built reverse carrier wave correspondence, with reference to oppositely the mean receiving power (being made as C) of carrier wave and the mean receiving power (being made as D) of newly-built reverse carrier wave are determined, for example, AdjustmentParameter=A-B+C-D, on the basis of calculating this value that obtains, some other adjustment can also be done by system, for example, QoS (quality of service) demand according to business, dynamically carry out some adjustment, or the like;
Then, before all are existing, oppositely calculate last required new business channel pilot frequency Initial Trans InitialPilotPower_RL the value and power reference of carrier wave to correspondence;
Described computational methods specifically comprise following two kinds:
First kind of concrete computational methods is:
Select and newly-built reverse carrier frequency is nearest at interval that oppositely carrier wave is right to reverse carrier wave before as a reference before existing, its pairing reference value is calculated the Initial Trans of reverse newly-built carrier wave Traffic Channel pilot tone, as shown in Figure 2, the reverse channel initial transmitting power InitialPilotPower_RL4 of newly-built reverse carrier wave is:
InitialPilotPower_RL4＝Reference_3-(Pilot_Power_FL4-OpenLoopAdjust_FL4-ProbeInitialAdjust_FL4)。Perhaps, InitialPilotPower_RL4=Reference_3-Pilot_Power_FL4;
Second kind of concrete computational methods is:
Select all with reference to the weighted average of the Traffic Channel pilot power Initial Trans as reverse newly-built carrier wave Traffic Channel pilot tone, as shown in Figure 2, then the reverse channel initial transmitting power InitialPilotPower_RL4 of newly-built reverse carrier wave is:
InitialPilotPower_RL4=K1*Reference_1+K2*Reference_2+K3*R eference_3-(Pilot_Power_FL4-OpenLoopAdjust_FL4-ProbeInitialAdjust_FL 4), perhaps, InitialPilotPower_RL4=K1*Reference_1+K2*Reference_2+K3*R eference_3-Pilot_Power_FL4.Wherein, K1, K2, K3 are weight parameter, can arrange in advance or be issued by system.
In Fig. 2, if only select reference value average of nearest frequency range, then can get K1=0, K2=K3=1/2 is:
InitialPilotPower_RL4＝(Reference_2+Reference_3)/2-(Pilot_Poweir_FL4-OpenLoopAdjust_FL4-ProbeInitialAdjust_FL4)。
Among the present invention, there is not existing reverse carrier wave, but when having forward carriers, can also obtains the reverse channel initial transmitting power of newly-built reverse carrier wave by the following method when being in the scope of same frequency range with newly-built reverse carrier wave.
Be specially the access parameter OpenLoopAdjust_FL4 and the ProbeInitialAdjust_FL4 that at first determine current newly-built forward carriers, terminal receives that the pilot power of forward carriers is Pilot_Power_FL4;
Then, the Initial Trans InitialPilotPower_RL4 that calculates this reverse newly-built carrier wave Traffic Channel pilot tone is:
InitialPilotPower_RL4＝-Pilot_Power_FL4+OpenLoopAdjust_FL4+ProbeInitialAdjust_FL4+TrafficToAccessRatio；
Wherein, TrafficToAccessRatio (business and access power ratio) is a parameter, can specify in advance also and can be issued by network.
In a word, in the method for the present invention,, when promptly determining carrier reverse channel initial transmitting power, then as shown in Figure 3, specifically may further comprise the steps when being the Initial Trans of the Traffic Channel pilot tone of newly-built reverse carrier wave:
Step 31: judge whether to exist with this newly-built reverse carrier wave to be in the interior reverse carrier wave of same band limits, if exist, then execution in step 32, otherwise, execution in step 33;
Step 32: the channel Initial Trans of determining this reverse carrier wave according to the described transmitting power that is in the Traffic Channel pilot tone of the reverse carrier wave in the same band limits;
Step 33: the Initial Trans that calculates the Traffic Channel pilot tone of determining newly-built reverse carrier wave according to the value and power reference of forward direction in other frequency ranges and reverse carrier wave.In sum, the present invention can be according to the transmitting power of current existing reverse carrier wave, and the received power of existing forward carriers, calculate the pilot power of the Traffic Channel of newly-built reverse carrier wave, make power convergence fast as far as possible, reduce system interference, and improve stabilized speed.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (14)

1. the method for a definite carrier reverse channel initial transmitting power is characterized in that, comprising:
In the multicarrier system that exists with reference to reverse carrier wave, when the newly-built reverse carrier wave of needs, determine the reverse channel initial transmitting power of this newly-built reverse carrier wave according to the transmitting power estimated value of the Traffic Channel pilot tone of the reverse carrier wave of reference that has existed.
2. the method for definite carrier reverse channel initial transmitting power according to claim 1 is characterized in that, the reverse carrier wave of the described reference that has existed comprises: system by signaling to the terminal appointment, the part or all of reverse carrier wave that existed.
3. the method for definite carrier reverse channel initial transmitting power according to claim 1 is characterized in that, described method comprises:
By the reverse carrier wave of the reference of system's designated terminal, and will this reference oppositely the transmitting power of carrier wave Traffic Channel pilot tone as the benchmark of the reverse channel initial transmitting power of this newly-built reverse carrier wave.
4. the method for definite carrier reverse channel initial transmitting power according to claim 3 is characterized in that, described method also comprises:
Adopt the reverse carrier wave as a reference reverse carrier wave nearest at interval with newly-built reverse carrier frequency.
5. the method for definite carrier reverse channel initial transmitting power according to claim 1 is characterized in that, described method comprises:
Adopt all with reference to the reverse channel initial transmitting power of the minimum value in the transmitting power of the Traffic Channel pilot tone of reverse carrier wave as this newly-built reverse carrier wave;
Perhaps,
Adopt all with reference to the reverse channel initial transmitting power of the maximum in the transmitting power of the Traffic Channel pilot tone of reverse carrier wave as this newly-built reverse carrier wave;
Perhaps,
Adopt all reverse channel initial transmitting powers with reference to this newly-built reverse carrier wave of weighted average conduct of the transmitting power of the Traffic Channel pilot tone of reverse carrier wave.
6. the method for definite carrier reverse channel initial transmitting power according to claim 5 is characterized in that, when asking weighted average, corresponding weighing is issued by system or specifies in advance.
7. the method for a definite carrier reverse channel initial transmitting power is characterized in that, comprising:
In existing with reference to forward carriers and multicarrier system with reference to reverse carrier wave, when the newly-built reverse carrier wave of needs, according to the reference forward carriers that has existed with determine the reverse channel initial transmitting power of this newly-built reverse carrier wave with reference to the reverse received power estimated value of carrier wave.
8. the method for definite carrier reverse channel initial transmitting power according to claim 7 is characterized in that, described method comprises:
Determine existing access parameter with reference to forward carriers FL1: open loop power is adjusted OpenLoopAdjust_FL1 and access exploration is initially adjusted ProbeInitialAdjust_FL1, pilot power estimated value Pilot_Power_FL1 with reference to forward carriers, and and the reverse carrier wave RL1 of its corresponding reference Traffic Channel pilot transmit power estimated value PilotPower_RL1, and before calculating this reference, oppositely carrier wave is to the value and power reference of FL1/RL1 correspondence: Reference_1=PilotPower_RL1+Pilot_Power_FL1-OpenLoopAdjus t_FL1-ProbeInitialAdjust_FL1; Perhaps, system adjusts parameter A djustParameter by transmitting signaling downwards, Reference_1=PilotPower_RL1+Pilot_Power_FL1-AdjustParamet er, AdjustParameter are according to the pilot transmit power of the forward carriers of the pilot transmit power of reference forward carriers, newly-built reverse carrier wave correspondence, with reference to oppositely the mean receiving power of carrier wave and the mean receiving power of newly-built reverse carrier wave are determined;
The value and power reference of correspondence is calculated the Traffic Channel pilot tone Initial Trans InitialPilotPower_RL of newly-built reverse carrier wave according to reverse carrier wave before described.
9. the method for definite carrier reverse channel initial transmitting power according to claim 8 is characterized in that, described method comprises:
The nearest at interval existing preceding oppositely carrier wave of selection and newly-built reverse carrier frequency to the Initial Trans InitialPilotPower_RL4 that pairing reference value Reference_3 calculates reverse newly-built carrier wave Traffic Channel pilot tone is:
InitialPilotPower_RL4=Reference_3-(Pilot_Power_FL4-OpenLoopAdjust_FL4-ProbeInitialAdjust_FL 4); Perhaps, InitialPilotPower_RL4=Reference_3-Pilot_Power_FL4;
Perhaps,
Select all as the Initial Trans InitialPilotPower_RL4 of reverse newly-built carrier wave Traffic Channel pilot tone to be with reference to the weighted average of Traffic Channel pilot power:
InitialPilotPower_RL4=K1*Reference_1+K2*Reference_2+K3*R eference_3-(Pilot_Power_FL4-OpenLoopAdjust_FL4-ProbeInitialAdjust_FL 4); Perhaps, InitialPilotPower_RL4=K1*Reference_1+K2*Reference_2+K3*R eference_3-Pilot_Power_FL4;
Wherein, K1, K2, K3 are weight parameter, for arranging in advance or being issued by system.
10. the method for a definite carrier reverse channel initial transmitting power is characterized in that, described method comprises:
When existing, then according to the reverse channel initial transmitting power of determining newly-built reverse carrier wave with reference to the reverse transmitting power of the Traffic Channel of carrier wave with reference to reverse carrier wave;
When not existing with reference to reverse carrier wave, then determine the reverse channel initial transmitting power of newly-built reverse carrier wave according to the received power of the reference forward carriers that has existed, wherein, the described reference forward carriers that has existed comprises: system is by the forward carriers that partly or entirely existed of signaling to the terminal appointment, the perhaps forward carriers and the pairing forward carriers of newly-built reverse carrier wave of the reverse carrier wave correspondence of reference.
11. the method for definite carrier reverse channel initial transmitting power according to claim 10 is characterized in that, described received power according to the reference forward carriers determines that the step of the reverse channel initial transmitting power of newly-built reverse carrier wave comprises:
Determine the access parameter OpenLoopAdjust_FL4 and the ProbeInitialAdjust_FL4 of this forward carriers, and the pilot power Pilot_Power_FL4 of forward carriers;
The Initial Trans InitialPilotPower_RL4 that calculates newly-built reverse carrier wave Traffic Channel pilot tone is: InitialPilotPower_RL4=-Pilot_Power_FL4+OpenLoopAdjust_FL 4+ProbeInitialAdjust_FL4+TrafficToAccessRatio, TrafficToAccessRatio is business and access power ratio, and it is for specifying in advance or being issued by network.
12. the method for a definite carrier reverse channel initial transmitting power is characterized in that, comprising:
For the multicarrier system that exists with reference to forward carriers, when the newly-built reverse carrier wave of needs, determine the reverse channel initial transmitting power of this newly-built reverse carrier wave according to the received power estimated value of the reference forward carriers that has existed.
13. the method for definite carrier reverse channel initial transmitting power according to claim 12, it is characterized in that, the described reference forward carriers that has existed comprises: system is by the forward carriers that partly or entirely existed of signaling to the terminal appointment, the perhaps forward carriers and the pairing forward carriers of newly-built reverse carrier wave of the reverse carrier wave correspondence of reference.
14. the method according to claim 12 or 13 described definite carrier reverse channel initial transmitting powers is characterized in that, described method comprises:
Determine the access parameter OpenLoopAdjust_FL4 and the ProbeInitialAdjust_FL4 of this forward carriers, and the pilot power Pilot_Power_FL4 of forward carriers;
The Initial Trans InitialPilotPower_RL4 that calculates newly-built reverse carrier wave Traffic Channel pilot tone is: InitialPilotPower_RL4=-Pilot_Power_FL4+OpenLoopAdjust_FL 4+ProbeInitialAdjust_FL4+TrafficToAccessRatio, TrafficToAccessRatio is business and access power ratio, and it is for specifying in advance or being issued by network.
CNB200510126118XA 2005-08-16 2005-11-30 Method for confirming carrier reverse channel initial transmitting power Active CN100377509C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CNB200510126118XA CN100377509C (en) 2005-08-16 2005-11-30 Method for confirming carrier reverse channel initial transmitting power
PCT/CN2006/001889 WO2007019780A1 (en) 2005-08-16 2006-07-28 A method and an apparatus for determinding initial transmit power on the carrier reverse channel
CN2006800121917A CN101160739B (en) 2005-08-16 2006-07-28 Method and device of determining inceptive emitting power of carrier backward channel
JP2008526356A JP4642902B2 (en) 2005-08-16 2006-07-28 Method and apparatus for determining the initial transmit power of a carrier backward channel

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Application Number Priority Date Filing Date Title
CN200510090768 2005-08-16
CN200510090768.3 2005-08-16
CNB200510126118XA CN100377509C (en) 2005-08-16 2005-11-30 Method for confirming carrier reverse channel initial transmitting power

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