CN102740421A - Method and system for power control - Google Patents
Method and system for power control Download PDFInfo
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- CN102740421A CN102740421A CN2011100956350A CN201110095635A CN102740421A CN 102740421 A CN102740421 A CN 102740421A CN 2011100956350 A CN2011100956350 A CN 2011100956350A CN 201110095635 A CN201110095635 A CN 201110095635A CN 102740421 A CN102740421 A CN 102740421A
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- 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
Abstract
The invention discloses a method and a system for power control. In the method and the system, through a power control signaling, a first communication node informs a second communication node the power to be used when sending data, and the second communication node which receives the power control signaling sends feedback information to the first communication node, or the first communication node informs the second communication node through the power control signaling the power to be used when sending data, and the first communication node sends a resource distribution signaling to the second communication node. With a technical scheme described in an embodiment, through reducing complexity of power control technology realization, both of the method and the system can achieve a purpose of reducing implementation cost and consumption of a terminal while ensuring quality of system service., and market competitiveness of relative communication systems can be improved.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of Poewr control method and system.
Background technology
Along with the development of mobile Internet and popularizing of smart mobile phone, the mobile data traffic demand rapidly increases, and the data service that increases has fast proposed severe challenge to the transmittability of mobile communications network.
Most mobile data services mainly occur in indoor and the focus environment, are presented as that nomadic/local wireless inserts scene.Data service is mainly Internet service, and is more single to the requirement of service quality, and far below the requirement of conventional telecommunications business to service quality.Cell mobile communication systems mainly towards be the professional design of conventional telecommunications of high-speed mobile, seamless switching, when it carried big flow low speed IP (Internet protocol) data packet traffic, efficient was on the low side, cost is too high.
Honeycomb mobile operator needs low cost, is fit to the solution that nomadic/local wireless data insert; Reducing the expense that further reduces and optimize original system under the prerequisite of equipment cost, with the throughput of further raising system, satisfy the data user's of high speed development demand.
Power control techniques is as the key technology of communication technical field, and the height of its implementation complexity directly affects the cost at terminal.Traditional power control techniques generally obtains self transmitting power by the terminal through complicated formula operation, and the numerous parameters in the formula all need the terminal to measure acquisition voluntarily, and not only the hardware implementation complexity is very high, and shortens the stand-by time at terminal.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of Poewr control method and system, through reducing the complexity that power control techniques is realized, when guaranteeing the system service quality, reaches and reduces the purpose that cost and power consumption are realized in the terminal.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of Poewr control method, this method comprises:
The power that first communication node uses when sending data through power control signaling second communication node; The said second communication node that receives said power control signaling sends and feeds back to said first communication node.
The power that comprises the use of said second communication node on different frequency bands in the said power control signaling; Perhaps, further comprise resource allocation information, employed resource when being used to notify said second communication node to send said feedback information.
This method further comprises:
Before sending said feedback information, said second communication node sends the bandwidth request signaling to the said first communication node request; After said first communication node is received said bandwidth request signaling, for said second communication node Resources allocation and notify said second communication node; And/or,
The second communication node sends said said first communication node that feeds back on pre-assigned resource, said pre-assigned resource is notified said second communication node before said first communication node sends said power control signaling.
Said first communication node that receives said feedback information further is said second communication node Resources allocation.
A kind of Poewr control method, this method comprises:
The power that first communication node uses when sending data through power control signaling second communication node; Said first communication node sends resource allocation signal and gives said second communication node.
This method further comprises:
The said second communication node of not receiving said power control signaling does not send any content on said resource after receiving the said resource allocation signal that said first communication node sends; Perhaps on said resource, send data with the maximum transmission power that self was allowed; Perhaps on said resource, send data with the transmitting power of making an appointment; Perhaps on said resource, send data according to send the indicated power of receiving before the said power control signaling of power control signaling at said first communication node; Perhaps on said first communication node sends the basis of the indicated power of the power control signaling received before the said power control signaling, increase a fixed value and on said resource, send data.
Do not receive the said second communication node of said power control signaling; Further on the indicated resource of said resource allocation signal, send and feed back to said first communication node, the advisory that will not receive said power control signaling is given said first communication node.
Comprise first indication information in the said resource allocation signal, said first communication node is every to send power control signaling one time to said second communication node, and said first indication information just changes by the known predetermined way of both sides; The power control signaling that said first communication node of the every reception of said second communication node sends is just upgraded second indication information of being stored according to the known predetermined way of both sides;
Confirm whether said second communication node receives that the method for said power control signaling is:
Said second indication information of said first indication information that said second communication node obtains through said resource allocation signal and self storage is inequality, and then said second communication node is thought and self successfully do not received the said power control signaling that said first communication node sends; Otherwise said second communication node is thought the power control signaling that self successfully receives the up-to-date transmission of said first communication node.
Said first indication information of said first communication node storage is identical with the initial value of said second indication information of said second communication node storage;
Said power control signaling and said resource allocation signal are separate or form a mixed signaling, when forming said mixed signaling, send by said first communication node is unified.
A kind of power control system, this system comprises first communication node, second communication node; Wherein,
Said system applies when first mode,
Said first communication node, the power that uses when being used for through power control signaling second communication node transmission data;
Receive the said second communication node of said power control signaling, be used for transmission and feed back to said first communication node;
Said system applies when second mode,
Said first communication node, the power that uses when being used for through power control signaling second communication node transmission data, and send resource allocation signal and give said second communication node.
Said system applies comprises the power of the use of said second communication node on different frequency bands in the said power control signaling when first mode; Perhaps, further comprise resource allocation information, employed resource when being used to notify said second communication node to send said feedback information.
Said system applies is when first mode, and before sending said feedback information, said second communication node is further used for:
Send the bandwidth request signaling to the said first communication node request; After triggering said first communication node and receiving said bandwidth request signaling, for said second communication node Resources allocation and notify said second communication node; And/or,
On pre-assigned resource, send said said first communication node that feeds back to, said pre-assigned resource is notified said second communication node before said first communication node sends said power control signaling.
Said system applies receives said first communication node of said feedback information when first mode, be further used for being said second communication node Resources allocation.
Said system applies is not received the said second communication node of said power control signaling when second mode, be further used for:
After receiving the said resource allocation signal that said first communication node sends, on said resource, do not send any content; Perhaps on said resource, send data with the maximum transmission power that self was allowed; Perhaps on said resource, send data with the transmitting power of making an appointment; Perhaps on said resource, send data according to send the indicated power of receiving before the said power control signaling of power control signaling at said first communication node; Perhaps on said first communication node sends the basis of the indicated power of the power control signaling received before the said power control signaling, increase a fixed value and on said resource, send data.
Said system applies is when second mode; Do not receive the said second communication node of said power control signaling; Be further used for: on the indicated resource of said resource allocation signal, send and feed back to said first communication node, the advisory that will not receive said power control signaling is given said first communication node.
Said system applies is when second mode; Comprise first indication information in the said resource allocation signal; Said first communication node is every to send power control signaling one time to said second communication node, and said first indication information just changes by the known predetermined way of both sides; The power control signaling that said first communication node of the every reception of said second communication node sends is just upgraded second indication information of being stored according to the known predetermined way of both sides;
Said second communication node confirms whether receive when said power is controlled signaling, specifically be used for:
Said second indication information of said first indication information that obtains through said resource allocation signal and self storage is inequality, and then said second communication node is thought and self successfully do not received the said power control signaling that said first communication node sends; Otherwise said second communication node is thought the power control signaling that self successfully receives the up-to-date transmission of said first communication node.
Said system applies when second mode,
Said first indication information of said first communication node storage is identical with the initial value of said second indication information of said second communication node storage;
Said power control signaling and said resource allocation signal are separate or form a mixed signaling, when forming said mixed signaling, send by said first communication node is unified.
Technical scheme by embodiment of the invention description; Through reducing the complexity that power control techniques is realized; No matter be the inventive method or system; All can when guaranteeing the system service quality, reach and reduce the purpose that cost and power consumption are realized in the terminal, and can improve the market competitiveness of associated communication system.
Description of drawings
Fig. 1 is the communication node transmitting power control flow chart of one embodiment of the invention;
Fig. 2 is the communication node transmitting power control flow chart of another embodiment of the present invention.
Embodiment
When practical application, on the one hand, the power that first communication node uses when sending data through power control signaling second communication node; The said second communication node that receives said power control signaling sends and feeds back to said first communication node.
Need to prove, comprise the power of the use of said second communication node on different frequency bands in the said power control signaling; Can also comprise resource allocation information, employed resource when being used to notify said second communication node to send said feedback information.
And before sending said feedback information, said second communication node can send the bandwidth request signaling to the said first communication node request; After said first communication node is received said bandwidth request signaling, for said second communication node Resources allocation and notify said second communication node.The second communication node can also send said said first communication node that feeds back on pre-assigned resource, said pre-assigned resource is notified said second communication node before said first communication node sends said power control signaling.
In addition, said first communication node that receives said feedback information can be said second communication node Resources allocation.
When practical application, on the other hand, first communication node can be controlled the power that uses when signaling second communication node sends data through power, can also send resource allocation signal and give said second communication node.
Need to prove, comprise first indication information in the said resource allocation signal, said first communication node is every to send power control signaling one time to said second communication node, and said first indication information just changes by the known predetermined way of both sides; The power control signaling that said first communication node of the every reception of said second communication node sends can also be upgraded second indication information of being stored according to the known predetermined way of both sides.Said first indication information of said first communication node storage is identical with the initial value of said second indication information of said second communication node storage.
And; If said second indication information of said first indication information that said second communication node obtains through said resource allocation signal and self storage is inequality, then said second communication node is thought and self is not successfully received the said power control signaling that said first communication node sends; Otherwise said second communication node is thought the power control signaling that self successfully receives the up-to-date transmission of said first communication node.
In addition, the said second communication node of not receiving said power control signaling does not send any content on said resource after receiving the said resource allocation signal that said first communication node sends; Perhaps on said resource, send data with the maximum transmission power that self was allowed; Perhaps on said resource, send data with the transmitting power of making an appointment; Perhaps on said resource, send data according to send the indicated power of receiving before the said power control signaling of power control signaling at said first communication node; Perhaps on said first communication node sends the basis of the indicated power of the power control signaling received before the said power control signaling, increase a fixed value and on said resource, send data.And; The said second communication node of not receiving said power control signaling can send on the indicated resource of said resource allocation signal and feed back to said first communication node, and the advisory that will not receive said power control signaling is given said first communication node.
Have, said power control signaling and said resource allocation signal can be separate or be formed a mixed signaling again, when forming said mixed signaling, send by said first communication node is unified.
During concrete the application, Fig. 1 has provided a kind of flow chart of communication node transmit power controlling method, and concrete steps comprise:
The power that uses when step 102, first communication node are sent data through power control signaling second communication node;
Step 104, the said second communication node that receives said power control signaling sends and feeds back to said first communication node;
Further specify the flow process of Fig. 1 below in conjunction with embodiment 1 to embodiment 4.
Embodiment 1
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data and send the employed resource information of feedback signaling.
After Node-2 receives said power control signaling, send through the resource of its distribution and to feed back to Node-1, give Node-1 the advisory of successful received power control signaling.
Alternatively, receive that the Node-1 of said feedback signaling sends resource allocation signal to Node-2, the resource of using when sending data with indication Node-2.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
Embodiment 2
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
Node-2 sends the bandwidth request signaling to Node-1 after receiving said power control signaling.
After Node-1 receives said bandwidth request signaling, for the Node-2 Resources allocation and through resource allocation signal notice Node-2.
The Node-2 that receives said resource allocation signal uses the resource transmission that distributes to feed back to Node-1, gives Node-1 with the advisory of successful received power control signaling.
Alternatively, receive that the Node-1 of said feedback signaling sends resource allocation signal to Node-2, the resource of using when sending data with indication Node-2.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
Embodiment 3
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
Node-2 sends the bandwidth request signaling to Node-1 after receiving said power control signaling, informs that through the mode that shows or imply Node-1 successfully receives said power control signaling through said bandwidth request signaling.
After Node-1 receives said bandwidth request signaling, confirm that Node-2 successfully receives said power control signaling.
Alternatively, receive that the Node-1 of said feedback signaling sends resource allocation signal to Node-2, the resource of using when sending data with indication Node-2.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
Embodiment 4
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
After Node-2 receives said power control signaling, feed back to Node-1, give Node-1 the advisory of successful received power control signaling through the resource transmission for its distribution before the Node-1.
The resource of distributing for Node-2 before the Node-1 alternatively, can be used with other node competition.
Alternatively, receive that the Node-1 of said feedback signaling sends resource allocation signal to Node-2, the resource of using when sending data with indication Node-2.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
Fig. 2 has provided the flow chart of another kind of communication node transmit power controlling method, and concrete steps comprise:
The power that uses when step 202, first communication node are sent data through power control signaling second communication node;
Further specify the flow process of Fig. 2 below in conjunction with embodiment 5 to embodiment 11.
Embodiment 5
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
Node-2 does not receive said power control signaling.
Node-1 sends resource allocation signal and gives Node-2.
Node-2 does not send any data on the indicated resource of said resource allocation signal.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
Embodiment 6
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
Node-2 does not receive said power control signaling.
Node-1 sends resource allocation signal and gives Node-2.
Node-2 sends data with the maximum transmission power that allows on the indicated resource of said resource allocation signal.
Alternatively, the said data of transmission comprise power control signaling solicited message; After Node-1 receives said data, resend said power control signaling and give Node-2.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
Embodiment 7
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
Node-2 does not receive said power control signaling.
Node-1 sends resource allocation signal and gives Node-2.
Node-2 sends data with power that make an appointment or the standard default configuration on the indicated resource of said resource allocation signal.
Alternatively, the said data of transmission comprise power control signaling solicited message; After Node-1 receives said data, resend said power control signaling and give Node-2.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
Embodiment 8
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
Node-2 does not receive said power control signaling.
Node-1 sends resource allocation signal and gives Node-2.
Node-2 on the indicated resource of said resource allocation signal according to before the power of the power control signaling indication of receiving send data.
Alternatively, the said data of transmission comprise power control signaling solicited message; After Node-1 receives said data, resend said power control signaling and give Node-2.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
Embodiment 9
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
Node-2 does not receive said power control signaling.
Node-1 sends resource allocation signal and gives Node-2.
On the indicated resource of said resource allocation signal, Node-2 before increase a fixed gain on the power basis of the power control signaling indication of receiving and send data.
Alternatively, the said data of transmission comprise power control signaling solicited message; After Node-1 receives said data, resend said power control signaling and give Node-2.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
Embodiment 10
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
Node-1 is that the value of first indication information of N is updated to (N+1) with the value of storage.
Node-2 does not receive said power control signaling.
Second indication information that Node-2 continues to keep its storage is N.
Node-1 sends resource allocation signal and gives Node-2, comprises first indication information in the said resource allocation signal.
After Node-2 receives said resource allocation signal, find said first indication information be not equal to self storage second indication information.
Alternatively, Node-2 does not send any content on the indicated resource of said resource allocation signal; Perhaps the maximum transmission power with its permission sends data on said resource; Perhaps on said resource, send data with the transmitting power of making an appointment; Perhaps on said resource, send data according to send the indicated power of receiving before the said power control signaling of power control signaling at Node-1; Perhaps, Node-1 increases a fixed value on sending the basis of the indicated power of the power control signaling received before the said power control signaling to send data.
Alternatively, the said data of transmission comprise power control signaling solicited message; After Node-1 receives said data, resend said power control signaling and give Node-2.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
What indicate in the said power control signaling alternatively, is the performance number of upgrading.
It may be noted that; The span of first indication information or second indication information can be fixed; For example maximum occurrences is M, and then when first indication information or the second indication information value are M, first indication information of follow-up renewal or the second indication information value are from initial value (for example 0 or 1) beginning.
Embodiment 11
The first communication node Node-1 (for example base station) is to second communication node Node-2 (for example terminal) transmission power control signaling, and notice Node-2 uses the power of said power control signaling indication to send data.
Node-1 is that the value of first indication information of N is updated to (N+1) with the value of storage.
Node-2 receives said power control signaling.
Node-2 is that the value of first indication information of N is updated to (N+1) with the value of storage.
Node-1 sends resource allocation signal and gives Node-2, comprises first indication information in the said resource allocation signal.
After Node-2 receives said resource allocation signal, find said first indication information equal self the storage second indication information.
Node-2 uses the power of indicating in the said power control signaling on the indicated resource of said resource allocation signal, to send data.
Alternatively, said power control signaling comprises the transmission power information on one or more frequency bands or the whole frequency band.
What indicate in the said power control signaling alternatively, is the performance number of upgrading.
Need to prove; The span of first indication information or second indication information can be fixed; For example maximum occurrences is M; Then when first indication information or the second indication information value are M, first indication information of follow-up renewal or the second indication information value are from initial value (for example 0 or 1) beginning.
The power control techniques that said communication node uses can be used for GSM (global system for mobile communications), CDMA2000 (CDMA 2000 system), CDMA EV-DO (code division multiple access evolution-data-optimized systems), WiMAX (global microwave interconnection), LTE (Long Term Evolution), WCDMA (broadband CDMA system), UMB (super mobile broadband), IEEE 802.11 series standards such as (WLANs).
As stated; Technical scheme by embodiment of the invention description; Through reducing the complexity that power control techniques is realized; No matter be the inventive method or system, all can when guaranteeing the system service quality, reach and reduce the purpose that cost and power consumption are realized in the terminal, and can improve the market competitiveness of associated communication system.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (17)
1. a Poewr control method is characterized in that, this method comprises:
The power that first communication node uses when sending data through power control signaling second communication node; The said second communication node that receives said power control signaling sends and feeds back to said first communication node.
2. method according to claim 1 is characterized in that, comprises the power of the use of said second communication node on different frequency bands in the said power control signaling; Perhaps, further comprise resource allocation information, employed resource when being used to notify said second communication node to send said feedback information.
3. method according to claim 1 and 2 is characterized in that, this method further comprises:
Before sending said feedback information, said second communication node sends the bandwidth request signaling to the said first communication node request; After said first communication node is received said bandwidth request signaling, for said second communication node Resources allocation and notify said second communication node; And/or,
The second communication node sends said said first communication node that feeds back on pre-assigned resource, said pre-assigned resource is notified said second communication node before said first communication node sends said power control signaling.
4. method according to claim 1 and 2 is characterized in that, said first communication node that receives said feedback information further is said second communication node Resources allocation.
5. a Poewr control method is characterized in that, this method comprises:
The power that first communication node uses when sending data through power control signaling second communication node; Said first communication node sends resource allocation signal and gives said second communication node.
6. method according to claim 5 is characterized in that, this method further comprises:
The said second communication node of not receiving said power control signaling does not send any content on said resource after receiving the said resource allocation signal that said first communication node sends; Perhaps on said resource, send data with the maximum transmission power that self was allowed; Perhaps on said resource, send data with the transmitting power of making an appointment; Perhaps on said resource, send data according to send the indicated power of receiving before the said power control signaling of power control signaling at said first communication node; Perhaps on said first communication node sends the basis of the indicated power of the power control signaling received before the said power control signaling, increase a fixed value and on said resource, send data.
7. method according to claim 6; It is characterized in that; Do not receive the said second communication node of said power control signaling; Further on the indicated resource of said resource allocation signal, send and feed back to said first communication node, the advisory that will not receive said power control signaling is given said first communication node.
8. according to claim 6 or 7 described methods; It is characterized in that; Comprise first indication information in the said resource allocation signal; Said first communication node is every to send power control signaling one time to said second communication node, and said first indication information just changes by the known predetermined way of both sides; The power control signaling that said first communication node of the every reception of said second communication node sends is just upgraded second indication information of being stored according to the known predetermined way of both sides;
Confirm whether said second communication node receives that the method for said power control signaling is:
Said second indication information of said first indication information that said second communication node obtains through said resource allocation signal and self storage is inequality, and then said second communication node is thought and self successfully do not received the said power control signaling that said first communication node sends; Otherwise said second communication node is thought the power control signaling that self successfully receives the up-to-date transmission of said first communication node.
9. method according to claim 8 is characterized in that,
Said first indication information of said first communication node storage is identical with the initial value of said second indication information of said second communication node storage;
Said power control signaling and said resource allocation signal are separate or form a mixed signaling, when forming said mixed signaling, send by said first communication node is unified.
10. a power control system is characterized in that, this system comprises first communication node, second communication node; Wherein,
Said system applies when first mode,
Said first communication node, the power that uses when being used for through power control signaling second communication node transmission data;
Receive the said second communication node of said power control signaling, be used for transmission and feed back to said first communication node;
Said system applies when second mode,
Said first communication node, the power that uses when being used for through power control signaling second communication node transmission data, and send resource allocation signal and give said second communication node.
11. system according to claim 10 is characterized in that, said system applies comprises the power of the use of said second communication node on different frequency bands in the said power control signaling when first mode; Perhaps, further comprise resource allocation information, employed resource when being used to notify said second communication node to send said feedback information.
12., it is characterized in that said system applies is when first mode according to claim 10 or 11 described systems, before sending said feedback information, said second communication node is further used for:
Send the bandwidth request signaling to the said first communication node request; After triggering said first communication node and receiving said bandwidth request signaling, for said second communication node Resources allocation and notify said second communication node; And/or,
On pre-assigned resource, send said said first communication node that feeds back to, said pre-assigned resource is notified said second communication node before said first communication node sends said power control signaling.
13., it is characterized in that said system applies receives said first communication node of said feedback information according to claim 10 or 11 described systems when first mode, be further used for being said second communication node Resources allocation.
14. system according to claim 10 is characterized in that, said system applies is not received the said second communication node of said power control signaling when second mode, be further used for:
After receiving the said resource allocation signal that said first communication node sends, on said resource, do not send any content; Perhaps on said resource, send data with the maximum transmission power that self was allowed; Perhaps on said resource, send data with the transmitting power of making an appointment; Perhaps on said resource, send data according to send the indicated power of receiving before the said power control signaling of power control signaling at said first communication node; Perhaps on said first communication node sends the basis of the indicated power of the power control signaling received before the said power control signaling, increase a fixed value and on said resource, send data.
15. system according to claim 14; It is characterized in that; Said system applies is when second mode; Do not receive the said second communication node of said power control signaling, be further used for: on the indicated resource of said resource allocation signal, send and feed back to said first communication node, the advisory that will not receive said power control signaling is given said first communication node.
16. according to claim 14 or 15 described systems; It is characterized in that; Said system applies is when second mode; Comprise first indication information in the said resource allocation signal, said first communication node is every to send power control signaling one time to said second communication node, and said first indication information just changes by the known predetermined way of both sides; The power control signaling that said first communication node of the every reception of said second communication node sends is just upgraded second indication information of being stored according to the known predetermined way of both sides;
Said second communication node confirms whether receive when said power is controlled signaling, specifically be used for:
Said second indication information of said first indication information that obtains through said resource allocation signal and self storage is inequality, and then said second communication node is thought and self successfully do not received the said power control signaling that said first communication node sends; Otherwise said second communication node is thought the power control signaling that self successfully receives the up-to-date transmission of said first communication node.
17. system according to claim 16 is characterized in that, said system applies when second mode,
Said first indication information of said first communication node storage is identical with the initial value of said second indication information of said second communication node storage;
Said power control signaling and said resource allocation signal are separate or form a mixed signaling, when forming said mixed signaling, send by said first communication node is unified.
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| CN201110095635.0A CN102740421B (en) | 2011-04-15 | 2011-04-15 | A kind of Poewr control method and system |
| PCT/CN2011/082883 WO2012139386A1 (en) | 2011-04-15 | 2011-11-24 | Method and system for power control |
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| CN201110095635.0A CN102740421B (en) | 2011-04-15 | 2011-04-15 | A kind of Poewr control method and system |
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| CN (1) | CN102740421B (en) |
| WO (1) | WO2012139386A1 (en) |
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| WO2018058474A1 (en) * | 2016-09-29 | 2018-04-05 | 华为技术有限公司 | Data sending method and apparatus |
| CN112436931A (en) * | 2020-11-24 | 2021-03-02 | 北京中航通用科技有限公司 | Data communication method and device |
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| CN101039238A (en) * | 2006-03-16 | 2007-09-19 | 日本电气株式会社 | Radio communication system, radio communication device and radio communication method |
| CN101729104A (en) * | 2008-10-31 | 2010-06-09 | 中兴通讯股份有限公司 | Method and system for controlling uplink transmitting power as well as base station |
| CN102014468A (en) * | 2009-09-28 | 2011-04-13 | 大唐移动通信设备有限公司 | Power control method and apparatus for channel information feedback |
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| US7957757B2 (en) * | 2007-07-05 | 2011-06-07 | Qualcomm Incorporated | Open loop power offset update |
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| CN1254458A (en) * | 1997-05-02 | 2000-05-24 | 艾利森公司 | Hand-held cellular telephone with power management features |
| CN1969586A (en) * | 2004-06-17 | 2007-05-23 | 株式会社Ntt都科摩 | Transfer rate control method, transmission power control method, transmission power ratio control method, mobile communication system, mobile station, and radio base station |
| CN101039238A (en) * | 2006-03-16 | 2007-09-19 | 日本电气株式会社 | Radio communication system, radio communication device and radio communication method |
| CN101729104A (en) * | 2008-10-31 | 2010-06-09 | 中兴通讯股份有限公司 | Method and system for controlling uplink transmitting power as well as base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018058474A1 (en) * | 2016-09-29 | 2018-04-05 | 华为技术有限公司 | Data sending method and apparatus |
| US11184860B2 (en) | 2016-09-29 | 2021-11-23 | Huawei Technologies Co., Ltd. | Data sending method and apparatus |
| CN112436931A (en) * | 2020-11-24 | 2021-03-02 | 北京中航通用科技有限公司 | Data communication method and device |
| CN112436931B (en) * | 2020-11-24 | 2023-11-21 | 北京中航通用科技有限公司 | Data communication method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012139386A1 (en) | 2012-10-18 |
| CN102740421B (en) | 2017-10-27 |
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