CN101883414A - Method and base station for reducing forward transmission power in group system - Google Patents

Method and base station for reducing forward transmission power in group system Download PDF

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Publication number
CN101883414A
CN101883414A CN2010102035134A CN201010203513A CN101883414A CN 101883414 A CN101883414 A CN 101883414A CN 2010102035134 A CN2010102035134 A CN 2010102035134A CN 201010203513 A CN201010203513 A CN 201010203513A CN 101883414 A CN101883414 A CN 101883414A
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China
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channel
power control
control bit
speaking user
yield value
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CN2010102035134A
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CN101883414B (en
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侯晓霞
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ZTE Corp
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ZTE Corp
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Priority to CN201010203513.4A priority Critical patent/CN101883414B/en
Priority to PCT/CN2010/077203 priority patent/WO2011157008A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/54Signalisation aspects of the TPC commands, e.g. frame structure
    • H04W52/58Format of the TPC bits

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

Abstract

The invention relates to a method and a base station for reducing forward transmission power in a group system. The method comprises the following steps of: judging whether the current channel is a speaking user channel; setting the gain value of backward power control bits transmitted to a forward channel to zero when the current channel is not the speaking user channel. On the premise that the speaking user channel has backward power control, the invention reduces the power occupying backward power control bits in other forward channels, saves the forward transmitting power, and increases the forward link capacity of the system. In addition, a buffer period with preset time is set when the backward power control gain value is switched, which ensures that the information of backward power control bits can still be received if the gain value of the backward power control bits is reduced to zero when the gain value is switched back during frequent switching of a terminal in a switching area. Thus, the conversation quality is efficiently ensured on the premise of saving forward power.

Description

Reduce the method and the base station of forward transmission power in the group system
Technical field
The present invention relates to communication field, relate in particular to a kind of based on the method and the base station of reducing forward transmission power in the group system of CDMA.
Background technology
In the cdma cellular communication system, power system capacity not only depends on the capacity of reverse link, and it also is subjected to the restriction of forward link capacity, and this point shows particularly outstanding in group system.In the group system, because a plurality of terminals under the cluster group are shared same forward direction voice channel, and the distribution of these terminals is unpredictable, need the forward direction voice channel can cover whole sub-district, other Traffic Channel in the cdma system, the required transmitted power of this fundamental service channel of forward direction voice channel is much bigger.Therefore, in group system, it is precious that forward power resources seems.
In the prior art, the forward power of group system comprises that the data flow that forward channel sends takies power, and the shared transmitted power of power control bit that is used for controlling reverse channel power that sends on the forward channel.Generally, if adopt identical gain, be reverse power control bit gain (PCGAIN) and the data bit identical words that gain, then the power occupancy of reverse power control bit is 1/12 of a data bit power occupancy, the power that is to say the reverse power control bit that per 12 forward channels send takies sum, is enough to keep a normal forward traffic channel.And in voice system, be not to talk during user's communication always, but has certain quiet period, in quiet period, speech frame transmits with 1/8 speed, and the actual power that this moment, data bit took will reduce, the reverse power control bit then is present in the whole calling procedure always, therefore, compare data bit, the shared forward transmission power of reverse power control bit can seem bigger.
Expansion along with the group system range of application, the situation that trunked call is distributed under a plurality of sectors is more and more general, user under a plurality of sectors ceaselessly applies for and discharges right of speech, the spoken user present position is also changing at any time, so in the group system, all there is a pair of channel (up channel and down channel) to distribute to spoken user under each sector, and in fact, that that has only sub-district, spoken user place need be sent in channel and send the reverse power control bit information on the forward channel and take forward transmission power, non-spoken user channel for those idle conditions, owing to do not have the speech of terminal to put forward oppositely, do not need the transmission power control bit information, in fact but transmission power control bit information has always been wasted forward transmission power greatly, has reduced the forward link capacity of system.
Summary of the invention
Main purpose of the present invention is to provide the method and the base station of reducing forward transmission power in a kind of group system, is intended to reduce forward transmission power, thereby increases the forward link capacity of system.
Reduce the method for forward transmission power in a kind of group system that the present invention proposes, may further comprise the steps:
Judge whether current channel is speaking user channel;
When current channel was non-speaking user channel, the reverse power control bit yield value that sends on the forward channel was set to zero;
When current channel is speaking user channel, according to predetermined reverse power control bit yield value transmission power control bit information.
Preferably, when described current channel was non-speaking user channel, the reverse power control bit yield value that sends on the forward channel was set to zero step and comprises:
When current channel is non-speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Judge whether current channel becomes speaking user channel in the scheduled time;
When current channel remained non-speaking user channel in the scheduled time, the reverse power control bit yield value that sends on the forward channel was set to zero; Otherwise according to predetermined reverse power control bit yield value transmission power control bit information.
Preferably, when described current channel is speaking user channel, comprise according to the step of predetermined reverse power control bit yield value transmission power control bit information:
When current channel is speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Judge whether current channel remains speaking user channel in the scheduled time;
When current channel remains speaking user channel in the scheduled time,, and repeat above-mentioned steps according to predetermined reverse power control bit yield value transmission power control bit information;
When current channel becomes non-speaking user channel in the scheduled time, when becoming non-speaking user channel in the given time according to predetermined reverse power control bit yield value transmission power control bit information.
Preferably, describedly judge that whether current channel is that the step of speaking user channel comprises:
Judge whether the reverse traffic frame that the base station receives is non-delete frame;
If working as the reverse traffic frame is non-delete frame, then current channel is a speaking user channel; Otherwise be non-speaking user channel.
Preferably, described non-delete frame comprise in 1/8 frame, 1/2 frame, 1/4 frame or the full-rate vocoding any one or two or more.
The present invention also proposes to reduce in a kind of group system the base station of forward transmission power, comprising:
Judge module is used to judge whether current channel is speaking user channel;
Control module, when being used for current channel and being non-speaking user channel, the reverse power control bit yield value that sends on the forward channel is set to zero; And current channel is when being speaking user channel, according to predetermined reverse power control bit yield value transmission power control bit information.
Preferably, described control module comprises:
Transmitting element is when being used for current channel and being non-speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Judging unit is used to judge whether current channel becomes speaking user channel in the scheduled time;
Control unit is used for when current channel remains non-speaking user channel in the scheduled time, and the reverse power control bit yield value that sends on the forward channel is set to zero; Otherwise by transmitting element according to predetermined reverse power control bit yield value transmission power control bit information.
Preferably, described transmitting element is when also being used for current channel and being speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Described judging unit is used to also judge whether current channel remains speaking user channel in the scheduled time;
Described transmitting element also is used for when current channel remains speaking user channel in the scheduled time, according to predetermined reverse power control bit yield value transmission power control bit information; And
When current channel becomes non-speaking user channel in the scheduled time, when becoming non-speaking user channel in the given time according to predetermined reverse power control bit yield value transmission power control bit information.
Preferably, described judge module is used to also judge whether the reverse traffic frame that receives is non-delete frame; If the reverse traffic frame is non-delete frame, then current channel is a speaking user channel; Otherwise be non-speaking user channel.
Preferably, described non-delete frame comprise in 1/8 frame, 1/2 frame, 1/4 frame or the full-rate vocoding any one or two or more.
The present invention relates to reduce in a kind of group system the method and the base station of forward transmission power, select speaking user channel by judging, to speaking user channel according to predetermined reverse power control bit yield value transmission power control bit information, and to non-speaking user channel, its reverse power control bit yield value is set to zero, promptly close power control, power control bit unnecessary on the forward channel is weeded out, thereby guarantee that speaking user channel has under the prerequisite of reverse power control, reduced the reverse power control bit stealing power on other forward channel to greatest extent, reached and save forward transmission power to increase the purpose of system forward link capacity.In addition, when switching, power ride gain value is provided with the phase buffer of a scheduled time, when guaranteeing that terminal is frequently switched in the switch area, can be when not switching back the reverse power control bit yield value of forward channel reduced to zero and can not receive the reverse power control bit information, thereby under the prerequisite of saving forward power, guaranteed speech quality effectively.
Description of drawings
Fig. 1 is the method one embodiment schematic flow sheet that reduces forward transmission power in the group system of the present invention;
Fig. 2 reduces step 101 idiographic flow schematic diagram in the method for forward transmission power in the group system shown in Figure 1;
Fig. 3 reduces step 102 idiographic flow schematic diagram in the method for forward transmission power in the group system shown in Figure 1;
Fig. 4 reduces step 103 idiographic flow schematic diagram in the method for forward transmission power in the group system shown in Figure 1;
Fig. 5 is the base station one example structure schematic diagram that reduces forward transmission power in the group system of the present invention;
Fig. 6 is the concrete structure schematic diagram that reduces control module in the base station of forward transmission power in the group system shown in Figure 5.
In order to make technical scheme of the present invention clearer, clear, be described in further detail below in conjunction with accompanying drawing.
Embodiment
Solution for embodiment of the invention mainly is: select speaking user channel by judging, to speaking user channel according to predetermined reverse power control bit yield value transmission power control bit information, and to non-speaking user channel, its reverse power control bit yield value is set to zero, promptly close power control, guarantee that speaking user channel has under the prerequisite of reverse power control, reduce the reverse power control bit stealing power of other forward channel to greatest extent, reached the purpose of saving forward transmission power.
As shown in Figure 1, one embodiment of the invention proposes to reduce in a kind of group system the method for forward transmission power, comprising:
Step 101 judges whether current channel is speaking user channel;
When step 102, current channel were non-speaking user channel, the reverse power control bit yield value that sends on the forward channel was set to zero;
Step 103 is when current channel is speaking user channel, according to predetermined reverse power control bit yield value transmission power control bit information.
In the present embodiment, channel promptly with the forward channel corresponding backward channel of current channel for speaking, forward channel transmission power control bit information for the user.In trunked call, if system has set up the shared channel of cluster under a plurality of sub-districts, so only need be on the forward channel corresponding of the sub-district, user place of speaking with speaking user channel the transmission power control bit information, and power control bit unnecessary on the forward channel is weeded out, the reverse power control bit yield value of the forward channel of the just non-sub-district, user place of speaking is set to zero, transmission power control bit information not on the forward channel corresponding with non-speaking user channel.
So, when sending forward power control bit information in the base station, at first can be regularly or judge on schedule whether the current area forward channel is whether speaking user channel promptly has the calling user terminal.The judgement of speaking user channel can receive in a minute user's reverse traffic frame by base station bottom demodulation module and judge that if good traffic frame is arranged, promptly non-delete frame can think that then this channel is exactly a speaking user channel.
The judgement of speaking user channel can also be judged in the following way: select distribution module (SDM) to judge whether the backward channel link corresponding has been the link of frame by the base station frame, the forward channel of the link correspondence of good frame is speaking user channel, and other channel is non-speaking user channel.
Through judging, if when current channel is non-speaking user channel, then the reverse power control bit yield value on the forward channel of this current channel correspondence be set to zero, i.e. transmission power control bit information not on the forward channel of this current channel correspondence.
And for speaking user channel, then can be according to predetermined reverse power control bit yield value transmission power control bit information on the forward channel corresponding with current channel.Such as, when judging that current channel is speaking user channel, can be when the forward channel informing base station bottom of the link correspondence of good frame is write frame power control bit gain (PCGAIN) value be raised and is higher gain, promptly on the user's forward channel of speaking according to the reverse power control bit yield value transmission power control bit information of being scheduled to.
As shown in Figure 2, in the present embodiment, step 101 comprises:
Step 1011 judges whether the reverse traffic frame that the base station receives is non-delete frame;
Step 1012, if the reverse traffic frame is non-delete frame, then current channel is a speaking user channel; Otherwise be non-speaking user channel.
Wherein, non-delete frame comprise in 1/8 frame, 1/2 frame, 1/4 frame or the full-rate vocoding any one or two or more.
As shown in Figure 3, wherein step 102 comprises:
When step 1021, current channel are non-speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Step 1022 judges whether current channel becomes speaking user channel in the scheduled time;
Step 1023, when current channel remained non-speaking user channel in the scheduled time, the reverse power control bit yield value that sends on the forward channel was set to zero; Otherwise according to predetermined reverse power control bit yield value transmission power control bit information.
In the present embodiment, in order to guarantee that the calling user terminal is between different districts during frequent the switching, can keep normal conversation, when reverse power control bit yield value switches to zero to predetermined value and predetermined value from zero, be provided with the phase buffer of a scheduled time, also promptly set the thresholding of a normal transmitted power number of times of sign, represent with N, when judging current channel and be non-speaking user channel, then N in the time according to predetermined reverse power control bit yield value transmission power control bit information; If at N in the time, it is frame that the base station receives when remaining bad frame (delete frame) that current channel remains non-speaking user channel, and the reverse power control bit yield value that sends on then corresponding with this current channel forward channel is set to zero; Otherwise on the forward channel of this current channel correspondence according to predetermined reverse power control bit yield value transmission power control bit information, promptly receive good frame in the base station in the time at N, judge that current channel becomes speaking user channel by non-speaking user channel, at this moment, need to handle for the speaking user channel situation according to current channel.Thereby guarantee when terminal is frequently switched in the switch area not can be when switching back the power control bit gain of channel reduced to zero and can not receive reverse power control information, under the prerequisite of saving forward power, guaranteed speech quality effectively.Guaranteed the emission that power control bit when terminal is frequently switched can both higher-wattage so effectively.
As shown in Figure 4, in the present embodiment, step 103 comprises:
Step 1031 is when current channel is speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Step 1032 judges whether current channel remains speaking user channel in the scheduled time;
Step 1033 when current channel remains speaking user channel in the scheduled time, according to predetermined reverse power control bit yield value transmission power control bit information, and enters step 1032; Otherwise enter step 1034;
Step 1034, when current channel becomes non-speaking user channel in the scheduled time, when becoming non-speaking user channel in the given time according to predetermined reverse power control bit yield value transmission power control bit information.
In the present embodiment, through judging, if current channel is a speaking user channel, then on the forward channel of this current channel correspondence according to the promptly predetermined reverse power control bit yield value transmission power control bit information of normal reverse power control bit yield value, and remain on and continue in the N time to send, wherein, if the frame of receiving in any time of N in the time, be that current channel still is speaking user channel, then from the lasting again N time in the moment of newly having received frame, if receive bad frame in the time at follow-up N, be that current channel becomes non-speaking user channel by speaking user channel, then handle according to non-speaking user channel situation, judge that current channel is non-speaking user channel if keep in the N time, reverse power control bit yield value on then corresponding with the current channel forward channel is set to zero, and the reverse power control bit power that is about on the forward channel is reduced to zero.Why the switching of reverse power control bit yield value is provided with the phase buffer of a N time, be because for the current channel that is judged as speaking user channel, the probability that the calling user terminal switches back after switching is gone out is bigger, therefore, when current channel becomes non-speaking user channel by speaking user channel, still be left predetermined reverse power control bit yield value and keep cycle of a N time, at N in the time, even current channel is judged as non-speaking user channel, also keep higher reverse power control bit yield value, guarantee when the calling user terminal when switching cell frequently switches, the power control bit of respective channel has higher transmit power, no matter make the calling user terminal be in single sub-district or switching cell, all can keep normal talking, thereby avoid because of the calling user terminal when switching cell frequently switches, cause the reverse power control bit yield value of base station can not in time promote reverse power control and lost efficacy so that influence speech quality.
As mentioned above, present embodiment need enter step 1022 after execution of step 1034, judges whether current channel becomes speaking user channel in the scheduled time; When current channel remained non-speaking user channel in the scheduled time, the reverse power control bit yield value on the forward channel of this current channel correspondence was set to zero; Otherwise on the forward channel of this current channel correspondence according to predetermined reverse power control bit yield value transmission power control bit information.
The embodiment of the invention is selected speaking user channel by judging, to the forward channel of speaking user channel correspondence according to predetermined reverse power control bit yield value transmission power control bit information, and to the forward channel of non-speaking user channel correspondence, its reverse power control bit yield value is set to zero, promptly close power control, power control bit unnecessary on the forward channel is weeded out, thereby guarantee that speaking user channel has under the prerequisite of reverse power control, reduced the reverse power control bit stealing power on other forward channel to greatest extent, reached and save forward transmission power to increase the purpose of system forward link capacity.In addition, when switching, the reverse power control yield value is provided with the phase buffer of a scheduled time, when guaranteeing that terminal is frequently switched in the switch area, can be when not switching back the reverse power control bit yield value of forward channel reduced to zero and can not receive the reverse power control bit information, thereby under the prerequisite of saving forward power, guaranteed speech quality effectively.
As shown in Figure 5, one embodiment of the invention proposes to reduce in a kind of group system the base station of forward transmission power, comprising:
Judge module 601 is used to judge whether current channel is speaking user channel;
Control module 602, when being used for current channel and being non-speaking user channel, the reverse power control bit yield value that sends on the forward channel is set to zero.
In the present embodiment, control module 602 is when also being used for current channel and being speaking user channel, according to predetermined reverse power control bit yield value transmission power control bit information.
In the present embodiment, judge module 602 is used to also judge whether the reverse traffic frame that receives is non-delete frame; If the reverse traffic frame is non-delete frame, then current channel is a speaking user channel; Otherwise be non-speaking user channel.
As shown in Figure 6, control module 602 comprises:
Transmitting element 6021 is when being used for current channel and being non-speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Judging unit 6022 is used to judge whether current channel becomes speaking user channel in the scheduled time;
Control unit 6023 is used for when current channel remains non-speaking user channel in the scheduled time, and the reverse power control bit yield value that sends on the forward channel is set to zero; Otherwise by transmitting element according to predetermined reverse power control bit yield value transmission power control bit information.
In the present embodiment, transmitting element 6021 is when also being used for current channel and being speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Judging unit 6022 is used to also judge whether current channel remains speaking user channel in the scheduled time;
Transmitting element 6021 also is used for when current channel remains speaking user channel in the scheduled time, according to predetermined reverse power control bit yield value transmission power control bit information; And
When current channel becomes non-speaking user channel in the scheduled time, when becoming non-speaking user channel in the given time according to predetermined reverse power control bit yield value transmission power control bit information.
In the present embodiment, when sending forward power control bit information in the base station, at first judge by judge module 601 whether the current area forward channel is whether speaking user channel promptly has the calling user terminal.The judgement of speaking user channel can receive in a minute user's reverse traffic frame by base station bottom demodulation module and judge that if good traffic frame is arranged, promptly non-delete frame can think that then this channel is exactly a speaking user channel.
The judgement of speaking user channel can also be judged in the following way: select distribution module (SDM) to judge whether the backward channel link corresponding has been the link of frame by the base station frame, the forward channel of the link correspondence of good frame is speaking user channel, and other channel is non-speaking user channel.
Through judging, when if current channel is non-speaking user channel, then be set to zero, i.e. transmission power control bit information not on the forward channel of current channel correspondence by the reverse power control bit yield value on the forward channel of control module 602 these current channel correspondences.
Through judging, if current channel is a speaking user channel, then by transmitting element 6021 in the control module 602 on the forward channel of this speaking user channel correspondence according to normal reverse power control bit yield value, promptly according to predetermined reverse power control bit yield value transmission power control bit information, and continue in the time to send at N, wherein, in any time of N in the time, if the frame of receiving, be that current channel still is speaking user channel, then from the lasting again N time in the moment of newly having received frame, if receive bad frame in the time at follow-up N, be that current channel becomes non-speaking user channel by speaking user channel, then handle according to non-speaking user channel situation, if judging unit 6022 judges that always current channel is non-speaking user channel in the N time, then be set to zero by the reverse power control bit yield value on the forward channel of control unit 6023 current channel correspondences, the reverse power control bit power that is about on the forward channel of current channel correspondence is reduced to zero.Why the switching of reverse power control bit yield value is provided with the phase buffer of a N time, be because for the current channel that is judged as speaking user channel, the probability that the calling user terminal switches back after switching is gone out is bigger, therefore, when current channel becomes non-speaking user channel by speaking user channel, on the forward channel of correspondence, still be left predetermined reverse power control bit yield value and keep cycle of a N time, at N in the time, even current channel is judged as non-speaking user channel, also keep higher power control bit yield value, guarantee when the calling user terminal when switching cell frequently switches, the power control bit of respective channel has higher transmit power, no matter make the calling user terminal be in single sub-district or switching cell, all can keep normal talking, thereby avoid because of the calling user terminal when switching cell frequently switches, cause the reverse power control bit yield value of base station can not in time promote reverse power control and lost efficacy so that influence speech quality.
The embodiment of the invention is selected speaking user channel by judging, to on the forward channel of speaking user channel correspondence according to predetermined reverse power control bit yield value transmission power control bit information, and to non-speaking user channel, reverse power control bit yield value on its corresponding forward channel is set to zero, promptly close power control, power control bit unnecessary on the forward channel is weeded out, thereby guarantee that speaking user channel has under the prerequisite of reverse power control, reduced the reverse power control bit stealing power of other forward channel to greatest extent, reached and save forward transmission power to increase the purpose of system forward link capacity.In addition, when switching, power ride gain value is provided with the phase buffer of a scheduled time, when guaranteeing that terminal is frequently switched in the switch area, can be when not switching back the power control bit yield value of channel reduced to zero and can not receive the reverse power control bit information, thereby under the prerequisite of saving forward power, guaranteed speech quality effectively.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (10)

1. reduce the method for forward transmission power in the group system, it is characterized in that, may further comprise the steps:
Judge whether current channel is speaking user channel;
When current channel was non-speaking user channel, the reverse power control bit yield value that sends on the forward channel was set to zero;
When current channel is speaking user channel, according to predetermined reverse power control bit yield value transmission power control bit information.
2. method according to claim 1 is characterized in that, when described current channel was non-speaking user channel, the reverse power control bit yield value that sends on the forward channel was set to zero step and comprises:
When current channel is non-speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Judge whether current channel becomes speaking user channel in the scheduled time;
When current channel remained non-speaking user channel in the scheduled time, the reverse power control bit yield value that sends on the forward channel was set to zero; Otherwise according to predetermined reverse power control bit yield value transmission power control bit information.
3. method according to claim 1 is characterized in that, when described current channel is speaking user channel, comprises according to the step of predetermined reverse power control bit yield value transmission power control bit information:
When current channel is speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Judge whether current channel remains speaking user channel in the scheduled time;
When current channel remains speaking user channel in the scheduled time,, and repeat above-mentioned steps according to predetermined reverse power control bit yield value transmission power control bit information;
When current channel becomes non-speaking user channel in the scheduled time, when becoming non-speaking user channel in the given time according to predetermined reverse power control bit yield value transmission power control bit information.
4. according to each described method in the claim 1 to 3, it is characterized in that, describedly judge that whether current channel is that the step of speaking user channel comprises:
Judge whether the reverse traffic frame that the base station receives is non-delete frame;
If working as the reverse traffic frame is non-delete frame, then current channel is a speaking user channel; Otherwise be non-speaking user channel.
5. method according to claim 4 is characterized in that, described non-delete frame comprise in 1/8 frame, 1/2 frame, 1/4 frame or the full-rate vocoding any one or two or more.
6. reduce the base station of forward transmission power in the group system, it is characterized in that, comprising:
Judge module is used to judge whether current channel is speaking user channel;
Control module, when being used for current channel and being non-speaking user channel, the reverse power control bit yield value that sends on the forward channel is set to zero; And
When current channel is speaking user channel, according to predetermined reverse power control bit yield value transmission power control bit information.
7. base station according to claim 6 is characterized in that, described control module comprises:
Transmitting element is when being used for current channel and being non-speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Judging unit is used to judge whether current channel becomes speaking user channel in the scheduled time;
Control unit is used for when current channel remains non-speaking user channel in the scheduled time, and the reverse power control bit yield value that sends on the forward channel is set to zero; Otherwise by transmitting element according to predetermined reverse power control bit yield value transmission power control bit information.
8. base station according to claim 7 is characterized in that,
Described transmitting element is when also being used for current channel and being speaking user channel, in the given time according to predetermined reverse power control bit yield value transmission power control bit information;
Described judging unit is used to also judge whether current channel remains speaking user channel in the scheduled time;
Described transmitting element also is used for when current channel remains speaking user channel in the scheduled time, according to predetermined reverse power control bit yield value transmission power control bit information; And
When current channel becomes non-speaking user channel in the scheduled time, when becoming non-speaking user channel in the given time according to predetermined reverse power control bit yield value transmission power control bit information.
9. according to the described base station of claim 6 to 8, it is characterized in that described judge module is used to also judge whether the reverse traffic frame that receives is non-delete frame; If the reverse traffic frame is non-delete frame, then current channel is a speaking user channel; Otherwise be non-speaking user channel.
10. base station according to claim 9 is characterized in that, described non-delete frame comprise in 1/8 frame, 1/2 frame, 1/4 frame or the full-rate vocoding any one or two or more.
CN201010203513.4A 2010-06-17 2010-06-17 Method and base station for reducing forward transmission power in group system Expired - Fee Related CN101883414B (en)

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PCT/CN2010/077203 WO2011157008A1 (en) 2010-06-17 2010-09-21 Method and base station for reducing forward transmission power in cluster system

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CN106571879A (en) * 2015-10-12 2017-04-19 中兴通讯股份有限公司 Power detection method and device

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