CN101848485A - Method and device for indicating terminal to report measurement information - Google Patents
Method and device for indicating terminal to report measurement information Download PDFInfo
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- CN101848485A CN101848485A CN200910080164A CN200910080164A CN101848485A CN 101848485 A CN101848485 A CN 101848485A CN 200910080164 A CN200910080164 A CN 200910080164A CN 200910080164 A CN200910080164 A CN 200910080164A CN 101848485 A CN101848485 A CN 101848485A
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Abstract
The invention relates to the wireless communication technology, in particular to a method and a device for indicating a terminal to report measurement information, which can be used for indicating the terminal to measure certain cells in an LTE-A system so as to realize CoMP technology. The method of the embodiment of the invention comprises the following steps of: determining a reported cell set CRCS of the terminal; and sending the determined reported cell set to the terminal to indicate the terminal to measure the cells in the reported cell set, and reporting the measurement related information. The method of the embodiment of the invention can indicate the terminal to measure the certain cells so as to realize the CoMP technology in the LTE-A system and improve the resource utilization rate and data transmission efficiency of the system.
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of method and apparatus of indicating terminal to report measurement information.
Background technology
CoMP (Coordinated multi-point, coordinate multipoint) technology can increase the coverage of high data rate, improves the throughput of cell edge and the throughput of system.So-called coordinate multipoint is meant the collaborative transmission data that participate in a terminal of a plurality of transmission points (being different base stations) that separate on the geographical position.As shown in Figure 1, in the coordinate multipoint technology schematic diagram, three sub-districts send data simultaneously to a terminal.
At present, uplink downlink can adopt the CoMP technology.The CoMP technology is mainly used in cooperative scheduling, BF (beam shaping) and Combined Treatment/transmission in the down link.When cooperative scheduling and BF, sometime for a user's data by a transmission in the cooperation transmission point, be used for controlling interference between cooperation cell by cooperative scheduling judgement; During Combined Treatment/transmission, the data that send to a UE are sent from a plurality of transmission points simultaneously, to improve received signal quality and to eliminate the interference of other UE.The CoMP technology refers to the transmission point that a plurality of geography separate and receives the signal that a UE sends simultaneously in the up link, with the quality that improves received signal or the transmission rate of enhanced uplink.
For LTE-A (Long Term Evolution-Advanced, Long Term Evolution is senior) system, because present terminal is difficult to know which sub-district is measured, so in the LTE-A system, be difficult to realize the CoMP technology.
In sum, which sub-district is present LTE-A system measure owing to terminal is difficult to know, thereby is difficult to realize the CoMP technology.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of indicating terminal to report measurement information, in order to can indicating terminal being measured by which sub-district in the LTE-A system, thereby can realize the CoMP technology.
The method of a kind of indicating terminal to report measurement information that the embodiment of the invention provides, this method comprises:
Determine the reporting subdistrict set CRCS of terminal;
Send the described reporting subdistrict set of determining to terminal, be used for indicating terminal the sub-district of reporting subdistrict set is measured, and the reporting measurement relevant information.
The device of a kind of indicating terminal to report measurement information that the embodiment of the invention provides, described device comprises:
Determination module, the reporting subdistrict that is used for definite terminal is gathered CRCS;
Sending module is used for sending the described reporting subdistrict set of determining to terminal, and be used for indicating terminal the sub-district of reporting subdistrict set is measured, and the reporting measurement relevant information.
The embodiment of the invention is determined the reporting subdistrict set of terminal; Send the described reporting subdistrict set of determining to terminal, be used for indicating terminal the sub-district of reporting subdistrict set is measured, and the reporting measurement relevant information.Owing to can indicating terminal be measured by which sub-district, thereby can in the LTE-A system, realize the CoMP technology, improved the resource utilization and the data transmission efficiency of system, further improved user experience.
Description of drawings
Fig. 1 is a coordinate multipoint technology schematic diagram;
Fig. 2 is the apparatus structure schematic diagram of embodiment of the invention indicating terminal to report measurement information;
Fig. 3 is the method flow schematic diagram of embodiment of the invention indicating terminal to report measurement information.
Embodiment
The embodiment of the invention determine terminal reporting subdistrict set (CoMP Reporting Cell Set, CRCS); Send the reporting subdistrict set of determining to terminal, be used for indicating terminal the sub-district of reporting subdistrict set is measured, and the reporting measurement relevant information.Owing to can indicating terminal be measured by which sub-district, thereby can in the LTE-A system, realize the CoMP technology, improved the resource utilization and the data transmission efficiency of system.
Reporting subdistrict set is meant that terminal need measure the sub-district in this set, and reporting measurement relevant information, as: channel quality indication (Channel Quality Indicator, CQI), pre-coding matrix coefficient (Pre-Coding Matrix Index, PMI), rank of matrix information (Rank Information, RI) etc.After the information of terminal to report is received in the base station, can determine to adopt which sub-district to come to carry out the CoMP transmission with terminal.
The embodiment of the invention is applied to the LTE-A system, can also be applied in the system of other and the similar employing cooperative multipoint transmission mode of LTE-A system configuration.
Wherein, terminal is measured the pilot signal (claiming reference signal (RS) again) of the sub-district in the reporting subdistrict set after receiving the reporting subdistrict set, obtain measuring relevant information.
The measurement relevant information that reports includes but not limited to one or more in the following message:
Terminal measurement result, CQI, PMI, RI.
Network side is that terminal is selected suitable cooperation cell according to the situation of each cell signal that the measurement relevant information of terminal to report receives.
Terminal is measured the pilot signal that each sub-district sends, and CQI, PMI, the RI etc. that calculate the needs feedback according to measurement result measure relevant parameter.Here the measurement relevant parameter that needs to feed back can be the signal according to measured sub-district, all calculates corresponding one or more measurement relevant parameters at each sub-district; Can also be the signal of each sub-district that will measure carry out comprehensive after, calculate one or more total measurement relevant parameters.Concrete which kind of mode of employing (such as the difference of application scenarios) is as required set.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 2, the device of embodiment of the invention indicating terminal to report measurement information comprises: determination module 10 and sending module 20.
Wherein, sending module 20 is gathered by a kind of transmission reporting subdistrict in the following manner:
The reporting subdistrict set is placed transmission in RRC (Radio Resource Control, the radio resource control) signaling (as: connection reconfiguration message);
Place system broadcasts to send the reporting subdistrict set.
Need to prove that the embodiment of the invention is not limited to above-mentioned send mode, any mode that the reporting subdistrict set can be sent to terminal all is to use the embodiment of the invention.
Wherein, the device of the embodiment of the invention can further include: trigger module 30.
In specific implementation process, trigger module 30 can determine that terminal enters connection status after terminal successfully inserts at random; Can also after becoming busy (busy) state from idle (free time) state exchange, terminal determine that terminal enters connection status.
When the one or more conditions of trigger module 30 in following condition satisfy, determine that this terminal need adopt cooperative multipoint transmission:
The signal strength signal intensity of terminal reception sub-district, place is lower than first thresholding of setting;
The current channel condition of terminal need can not support the business of transmission.
First thresholding can be set as required.
Have multiple situation can cause the current channel condition of terminal can not support to need the business of transmission, such as, terminal just in transport service, but because changes in channel conditions, when making professional that channel condition can not support to transmit; The business that terminal need be carried out adopts the cooperative multipoint transmission support to realize.
Wherein, determination module 10 has the mode of the reporting subdistrict set of multiple definite terminal, enumerates three kinds of modes below.
Mode one, determine the reporting subdistrict set of terminal according to the position of sub-district, terminal place.
Concrete, determination module 10 can be according to the reporting subdistrict set of a kind of definite terminal in the following manner.
1, from the Neighboring Relation Table of the sub-district at terminal place, select adjacent sub-district with collaborative transmittability, determine the reporting subdistrict collection according to the adjacent sub-district of selecting.
2, from the Neighboring Relation Table of the sub-district at terminal place, select part or all of co-frequency neighbor cell, determine the reporting subdistrict collection according to the adjacent sub-district of selecting.
The concrete part of selecting still all can be set as required.
3, according to the estate performance statistical parameter, from the Neighboring Relation Table of the sub-district at terminal place, determine the switching probability in this terminal each sub-district in Neighboring Relation Table, select the adjacent sub-district of switching probability, determine the reporting subdistrict collection according to the adjacent sub-district of selecting greater than second thresholding of setting.
Write down switching probability in each sub-district of in setting-up time terminal (promptly terminal must switching times divided by terminal at the switching times of a sub-district in setting-up time, just obtains terminal and is changing the switching probability of sub-district) in the estate performance statistical parameter; Second thresholding can be set as required.
4, according to the locating information of terminal and the geographical location information of the base station under the terminal, select and the immediate one or more adjacent sub-districts of terminal, determine the reporting subdistrict collection according to the adjacent sub-district of selecting.
This mode is applicable to the situation of the Neighboring Relation Table of the sub-district that can't obtain the terminal place.Determine immediate one or more adjacent sub-district according to following manner: determine that terminal arrives the centre distance of each adjacent sub-district.
Concrete definite what immediate adjacent sub-districts can be set as required.
The signal strength signal intensity of mode two, the sub-district that receives in setting-up time according to terminal is determined the reporting subdistrict set of terminal.
Such as: setting-up time is 24 hours, in 24 hours, terminal has been switched a plurality of sub-districts, and terminal whenever switches to a new sub-district, the capital receives the signal of this sub-district, thereby just know signal strength signal intensity (this signal strength signal intensity can be the signal strength signal intensity of having received when just having switched, and also can be the average signal strength of the sub-district that receives of terminal); In setting-up time, can connect the signal strength signal intensity of a plurality of sub-districts like this, check the sub-district of which signal strength signal intensity then greater than the 3rd threshold value of setting.
Need to prove, determine that the mode of the signal strength signal intensity of a plurality of sub-districts will be consistent, promptly the channel strength of each sub-district should all be the signal strength signal intensity that terminal is received when just having switched, or the average signal strength of the sub-district that receives of terminal.
The signal strength signal intensity of mode three, the sub-district that receives in setting-up time according to the position and the terminal of sub-district, terminal place is determined the reporting subdistrict set of terminal.
Mode three is that mode one and mode two are combined.Concrete, according to determining the reporting subdistrict set (being mode one) of terminal and after the signal strength signal intensity of the sub-district that receives according to terminal determines the reporting subdistrict set (being mode two) of terminal in the position of sub-district, terminal place in setting-up time, common factor or union are got in two reporting subdistrict set determining, thereby be combined into a new reporting subdistrict set.
Wherein, sending module 20 is after sending the reporting subdistrict set, and terminal can continue (or according to the time cycle of setting report), and set sends and measures relevant information according to reporting subdistrict; And that reporting subdistrict set has is ageing, that is to say might the reporting subdistrict set expiredly, and at the expired processing mode of reporting subdistrict set, the embodiment of the invention provides two kinds of processing modes.
Mode one, the device of the embodiment of the invention can further include: late note module 40.
Then terminal can stop to measure and reporting after receiving late note.
One or more in when following situation occurring can think that the reporting subdistrict set is expired: when 1, needing to adopt the service ending of CoMP transmission; 2, the channel strength of the sub-district, place of the current reception of terminal can support to transmit professional the time.
Need to prove that the embodiment of the invention is not limited to top dual mode, other can determine that the expired mode of reporting subdistrict set all is to use the embodiment of the invention.
Mode two, the device of the embodiment of the invention can further include: expired timer starts module 50.
Expired timer starts module 50, is used for starting the expired timer that is provided with for this terminal after determination module 10 is determined the reporting subdistrict set CRCS of terminal, and expired timer expiry is used for indicating terminal and stops the reporting measurement relevant information.
In specific implementation process, expired timer starts module 50 and can determine to start the expired timer that is provided with for this terminal after the reporting subdistrict of terminal is gathered CRCS at determination module 10 at once; Also can be after determination module 10 to be determined the reporting subdistrict set CRCS of terminal, sending module 20 sends between the reporting subdistrict set of determining to terminal and starts the expired timer that is provided with for this terminal; Can also when sending the reporting subdistrict set of determining, terminal start the expired timer that is provided with for this terminal at sending module 20; Can also after sending the reporting subdistrict set of determining, terminal start the expired timer that is provided with for this terminal at sending module 20.
The time of expired timer can be set as required.Expired timer can be provided with in the device of present embodiment and terminal simultaneously, terminal is the expired startup timer of meeting after receiving the reporting subdistrict set, arrive constantly at expired timer, if after not receiving new reporting subdistrict set, then terminal, can stop to measure and reporting to constantly at the expired timer of self.
Preferable, the time of the expired timer of setting need guarantee terminal after receiving the reporting subdistrict set then.
In specific implementation process, the device of the embodiment of the invention can further include: first update module 60.
During one or more in having following situation, can think that terminal need continue to use cooperative multipoint transmission: 1. when the business that needs to use CoMP just can transmit does not stop; 2. when the signal strength signal intensity of terminal reception sub-district, place is lower than the 4th thresholding that sets (the 4th thresholding can be set as required).
Need to prove that the embodiment of the invention is not limited to top dual mode, other can determine that it all is to use the embodiment of the invention that terminal need continue to use the mode of cooperative multipoint transmission.
After first update module 60 redefined the reporting subdistrict set of terminal at triggering determination module 10, sending module 20 can then send the reporting subdistrict set, and then expired timer starts module 50 can restart expired timer startup module 50, and follow-up continuation circulates.
Wherein, in the top renewal process, be an expired timer to be set for each terminal.The embodiment of the invention also has another kind of renewal process, and then the device of the embodiment of the invention can further include: second update module 70.
Wherein, update condition comprises one or more in the following condition:
The community configured information of the cooperative multipoint transmission of system changes;
The current channel condition of terminal need can not support the business of transmission;
Terminal is carried out the sub-district and is switched;
The renewal timer expiry of setting.
Have multiple situation can cause the current channel condition of terminal can not support to need the business of transmission, such as, terminal just in transport service, but because changes in channel conditions, when making professional that channel condition can not support to transmit; The business that terminal need be carried out adopts the cooperative multipoint transmission support to realize.
Upgrading the time of timer can set as required.Upgrading the time that timer picks up counting can be determined by system, sends reporting subdistrict set back as: the terminal that sending module 20 uses CoMP to transmit at first that occurs and start and upgrade timer in the sub-district.Trigger the reporting subdistrict set that determination modules 10 redefine terminal at the renewal timer to second update module, 70 meetings constantly, sending module 20 can then send the reporting subdistrict set, upgrades timer accordingly and will restart timing, and follow-up continuation circulates.
Wherein, upgrading timer is provided with for all terminals are common.
Owing to can upgrade the reporting subdistrict set, thereby can provide reporting subdistrict set accurately, further improve the resource utilization and the efficiency of transmission of system for terminal.
Need to prove that the device of the embodiment of the invention can be the base station, promptly the base station sends the reporting subdistrict set of determining to the terminal in the zone that self covered; Also can be other reporting subdistrict set CRCS that can determine terminal, and send the reporting subdistrict set entity of determining to terminal; It can also be the new entity of network side.
As shown in Figure 3, the method for embodiment of the invention indicating terminal to report measurement information comprises the following steps:
Wherein, by a kind of transmission reporting subdistrict set in the following manner:
Place RRC signaling (as: connection reconfiguration message) to send the reporting subdistrict set;
Place system broadcasts to send the reporting subdistrict set.
Need to prove that the embodiment of the invention is not limited to above-mentioned send mode, any mode that the reporting subdistrict set can be sent to terminal all is to use the embodiment of the invention.
Wherein, can further include before the step 301:
Step a300, determine that terminal enters connection status; Or
Step b300, determine that terminal enters connection status, and this terminal need adopt cooperative multipoint transmission.
In specific implementation process, can after successfully inserting at random, terminal determine that terminal enters connection status; Can also after becoming busy (busy) state from idle (free time) state exchange, terminal determine that terminal enters connection status.
Among the step b300, when the one or more conditions in following condition satisfy, determine that this terminal need adopt cooperative multipoint transmission:
The signal strength signal intensity of terminal reception sub-district, place is lower than first thresholding of setting;
The current channel condition of terminal need can not support the business of transmission.
First thresholding can be set as required.
Have multiple situation can cause the current channel condition of terminal can not support to need the business of transmission, such as, terminal just in transport service, but because changes in channel conditions, when making professional that channel condition can not support to transmit; The business that terminal need be carried out adopts the cooperative multipoint transmission support to realize.
Wherein, the mode of the reporting subdistrict set of multiple definite terminal is arranged in the step 301, enumerate three kinds of modes below.
Mode one, determine the reporting subdistrict set of terminal according to the position of sub-district, terminal place.
Concrete, can be according to the reporting subdistrict set of a kind of definite terminal in the following manner.
1, from the Neighboring Relation Table of the sub-district at terminal place, select adjacent sub-district with collaborative transmittability, determine the reporting subdistrict collection according to the adjacent sub-district of selecting.
2, from the Neighboring Relation Table of the sub-district at terminal place, select part or all of co-frequency neighbor cell, determine the reporting subdistrict collection according to the adjacent sub-district of selecting.
The concrete part of selecting still all can be set as required.
3, according to the estate performance statistical parameter, from the Neighboring Relation Table of the sub-district at terminal place, determine the switching probability in this terminal each sub-district in Neighboring Relation Table, select the adjacent sub-district of switching probability, determine the reporting subdistrict collection according to the adjacent sub-district of selecting greater than second thresholding of setting.
Write down switching probability in each sub-district of in setting-up time terminal (promptly terminal must switching times divided by terminal at the switching times of a sub-district in setting-up time, just obtains terminal and is changing the switching probability of sub-district) in the estate performance statistical parameter; Second thresholding can be set as required.
4, according to the locating information of terminal and the geographical location information of the base station under the terminal, select and the immediate one or more adjacent sub-districts of terminal, determine the reporting subdistrict collection according to the adjacent sub-district of selecting.
This mode is applicable to the situation of the Neighboring Relation Table of the sub-district that can't obtain the terminal place.Determine immediate one or more adjacent sub-district according to following manner: determine that terminal arrives the centre distance of each adjacent sub-district.
Concrete definite what immediate adjacent sub-districts can be set as required.
The signal strength signal intensity of mode two, the sub-district that receives in setting-up time according to terminal is determined the reporting subdistrict set of terminal.
Determine the signal strength signal intensity of each sub-district that terminal receives in setting-up time, select the sub-district of the signal strength signal intensity of sub-district, determine the reporting subdistrict collection according to the adjacent sub-district of selecting greater than the 3rd threshold value of setting.
Such as: setting-up time is 24 hours, in 24 hours, terminal has been switched a plurality of sub-districts, and terminal whenever switches to a new sub-district, the capital receives the signal of this sub-district, thereby just know signal strength signal intensity (this signal strength signal intensity can be the signal strength signal intensity of having received when just having switched, and also can be the average signal strength of the sub-district that receives of terminal); In setting-up time, can connect the signal strength signal intensity of a plurality of sub-districts like this, check the sub-district of which signal strength signal intensity then greater than the 3rd threshold value of setting.
Need to prove, determine that the mode of the signal strength signal intensity of a plurality of sub-districts will be consistent, promptly the channel strength of each sub-district should all be the signal strength signal intensity that terminal is received when just having switched, or the average signal strength of the sub-district that receives of terminal.
The signal strength signal intensity of mode three, the sub-district that receives in setting-up time according to the position and the terminal of sub-district, terminal place is determined the reporting subdistrict set of terminal.
Mode three is that mode one and mode two are combined.Concrete, according to determining the reporting subdistrict set (being mode one) of terminal and after the signal strength signal intensity of the sub-district that receives according to terminal determines the reporting subdistrict set (being mode two) of terminal in the position of sub-district, terminal place in setting-up time, common factor or union are got in two reporting subdistrict set determining, thereby be combined into a new reporting subdistrict set.
Wherein, after sending the reporting subdistrict set, terminal can continue (or according to the time cycle of setting report), and set sends and measures relevant information according to reporting subdistrict; And that reporting subdistrict set has is ageing, that is to say might the reporting subdistrict set expiredly, and at the expired processing mode of reporting subdistrict set, the embodiment of the invention provides two kinds of processing modes.
Can further include after the mode one, step 302:
Step a303, gathered after date, sent late note, and be used for indicating terminal and stop the reporting measurement relevant information to terminal at definite reporting subdistrict.
Then terminal can stop to measure and reporting after receiving late note.
When following situation one or more occurring, can think that the reporting subdistrict set is expired: when 1, needing to adopt the service ending of CoMP transmission; 2, channel quality improves, can support to transmit professional the time.
Need to prove that the embodiment of the invention is not limited to top dual mode, other can determine that the expired mode of reporting subdistrict set all is to use the embodiment of the invention.
Can further include after the mode two, step 301:
The expired timer that step b303, startup are provided with for this terminal, expired timer expiry is used for indicating terminal and stops the reporting measurement relevant information.
In specific implementation process, can after determining the reporting subdistrict set CRCS of terminal, start the expired timer that is provided with for this terminal at once; Also can after determining the reporting subdistrict set CRCS of terminal, between the reporting subdistrict set that the terminal transmission is determined, start the expired timer that is provided with for this terminal; Can also sending the reporting subdistrict set of determining to terminal when, start the expired timer that is provided with for this terminal; Can also send the reporting subdistrict set of determining to terminal after, start the expired timer that is provided with for this terminal.
The time of expired timer can be set as required.Expired timer can be provided with in the device of present embodiment and terminal simultaneously, terminal is the expired startup timer of meeting after receiving the reporting subdistrict set, arrive constantly at expired timer, if after not receiving new reporting subdistrict set, then terminal, can stop to measure and reporting to constantly at the expired timer of self.
Preferable, the time of the expired timer of setting need guarantee terminal after receiving the reporting subdistrict set then.
In specific implementation process, can further include after the step b303:
Step c303, when expired timer expiry, if terminal need continue to adopt cooperative multipoint transmission, then redefine the reporting subdistrict set of terminal, and send the reporting subdistrict set (promptly re-executing step 301 and step 302) that redefines to terminal.
During one or more in having following situation, can think that terminal need continue to use cooperative multipoint transmission: 1. when the business that needs to use CoMP just can transmit does not stop; 2. when the signal strength signal intensity of terminal reception sub-district, place is lower than the 4th thresholding that sets (the 4th thresholding can be set as required).
Need to prove that the embodiment of the invention is not limited to top dual mode, other can determine that it all is to use the embodiment of the invention that terminal need continue to use the mode of cooperative multipoint transmission.
After the reporting subdistrict set that redefines terminal, can then send the reporting subdistrict set, then can return step b303, follow-up continuation circulation.
Wherein, in the top renewal process, be an expired timer to be set for each terminal.The embodiment of the invention also has another kind of renewal process, then can further include after the step 302:
Step a302, when satisfying update condition, redefine the reporting subdistrict set of terminal, and send the reporting subdistrict set (promptly re-executing step 301 and step 302) that redefines to terminal.
Wherein, update condition comprises one or more in the following condition:
The community configured information of the cooperative multipoint transmission of system changes;
The current channel condition of terminal need can not support the business of transmission;
Terminal is carried out the sub-district and is switched;
The renewal timer expiry of setting.
Have multiple situation can cause the current channel condition of terminal can not support to need the business of transmission, such as, terminal just in transport service, but because changes in channel conditions, when making professional that channel condition can not support to transmit; The business that terminal need be carried out adopts the cooperative multipoint transmission support to realize.
Upgrading the time of timer can set as required.Upgrading the time that timer picks up counting can be determined by system, sends reporting subdistrict set back as: the terminal of using CoMP to transmit at first that occurs and start and upgrade timer in the sub-district.Upgrading timer to the reporting subdistrict set that can redefine terminal constantly, then send the reporting subdistrict set, upgrade timer accordingly and will restart timing, follow-up continuation circulation.
Wherein, upgrading timer is provided with for all terminals are common.
Owing to can upgrade the reporting subdistrict set, thereby can provide reporting subdistrict set accurately, further improve the resource utilization and the efficiency of transmission of system for terminal.
Need to prove that the entity of carrying out the method for the embodiment of the invention can be the base station, promptly the base station sends the reporting subdistrict set of determining to the terminal in the zone that self covered; Also can be other reporting subdistrict set CRCS that can determine terminal, and the entity that sends the reporting subdistrict set of determining to terminal; It can also be the new entity of network side.
From the foregoing description as can be seen: the embodiment of the invention is determined the reporting subdistrict set of terminal; Send the described reporting subdistrict set of determining to terminal, be used for indicating terminal the sub-district of reporting subdistrict set is measured, and the reporting measurement relevant information.Owing to can indicating terminal be measured by which sub-district, thereby can in the LTE-A system, realize the CoMP technology, improved the resource utilization and the data transmission efficiency of system, further improved user experience.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (24)
1. the method for an indicating terminal to report measurement information is characterized in that, this method comprises:
Determine the reporting subdistrict set CRCS of terminal;
Send the described reporting subdistrict set of determining to terminal, be used for indicating terminal the sub-district of reporting subdistrict set is measured, and the reporting measurement relevant information.
2. the method for claim 1 is characterized in that, also comprises before the reporting subdistrict set of described definite terminal:
Determine that terminal enters connection status; Or
Determine that terminal enters connection status, and this terminal need adopt cooperative multipoint transmission.
3. method as claimed in claim 2 is characterized in that, when following condition satisfied, described definite this terminal need adopt cooperative multipoint transmission:
The signal strength signal intensity of terminal reception sub-district, place is lower than first thresholding of setting;
The current channel condition of terminal need can not support the business of transmission.
4. the method for claim 1 is characterized in that, the reporting subdistrict set of described definite terminal comprises:
The signal strength signal intensity of the sub-district that receives in setting-up time according to the position and/or the terminal of sub-district, terminal place is determined the reporting subdistrict set of terminal.
5. method as claimed in claim 4 is characterized in that, described position according to sub-district, terminal place determines that the reporting subdistrict set of terminal comprises:
From the Neighboring Relation Table of the sub-district at terminal place, select adjacent sub-district with collaborative transmittability, determine the reporting subdistrict collection according to the adjacent sub-district of selecting; Or
From the Neighboring Relation Table of the sub-district at terminal place, select part or all of co-frequency neighbor cell, determine the reporting subdistrict collection according to the adjacent sub-district of selecting; Or
According to the estate performance statistical parameter, from the Neighboring Relation Table of the sub-district at terminal place, determine the switching probability in this terminal each sub-district in Neighboring Relation Table, select the adjacent sub-district of switching probability, determine the reporting subdistrict collection according to the adjacent sub-district of selecting greater than second thresholding of setting; Or
According to the locating information of terminal and the geographical location information of the base station under the terminal, select and the immediate one or more adjacent sub-districts of terminal, determine the reporting subdistrict collection according to the adjacent sub-district of selecting.
6. as claim 4 or 5 described methods, it is characterized in that the signal strength signal intensity of the described sub-district that receives according to terminal determines that the reporting subdistrict set of terminal comprises in setting-up time:
Determine the signal strength signal intensity of each sub-district that terminal receives in setting-up time;
Select the sub-district of the signal strength signal intensity of sub-district, determine the reporting subdistrict collection according to the adjacent sub-district of selecting greater than the 3rd threshold value of setting.
7. the method for claim 1 is characterized in that, the described described reporting subdistrict of determining to the terminal transmission also comprises after gathering:
Gathered after date at definite described reporting subdistrict, sent late note, and be used to indicate described terminal to stop the reporting measurement relevant information to described terminal.
8. the method for claim 1 is characterized in that, also comprises after the reporting subdistrict set of described definite terminal:
Start the expired timer that is provided with for this terminal, described expired timer expiry is used to indicate described terminal to stop the reporting measurement relevant information.
9. method as claimed in claim 8, it is characterized in that, when described expired timer expiry, if determine that described terminal need continue to adopt cooperative multipoint transmission, then redefine the reporting subdistrict set of terminal, and send the reporting subdistrict set that redefines to terminal.
10. the method for claim 1 is characterized in that, the described described reporting subdistrict of determining to the terminal transmission also comprises after gathering:
When satisfying update condition, redefine the reporting subdistrict set of terminal, and send the reporting subdistrict set that redefines to terminal.
11. method as claimed in claim 10 is characterized in that, described update condition comprises one or more in the following condition:
The community configured information of the cooperative multipoint transmission of system changes;
The current channel condition of terminal need can not support the business of transmission;
Terminal is carried out the sub-district and is switched;
The renewal timer expiry of setting.
12. as the described method of the arbitrary claim of claim 1～11, it is characterized in that, gather by a kind of transmission reporting subdistrict in the following manner:
Place the RRC signaling to send described reporting subdistrict set;
Place system broadcasts to send described reporting subdistrict set.
13. the device of an indicating terminal to report measurement information is characterized in that, described device comprises:
Determination module, the reporting subdistrict that is used for definite terminal is gathered CRCS;
Sending module is used for sending the described reporting subdistrict set of determining to terminal, and be used for indicating terminal the sub-district of reporting subdistrict set is measured, and the reporting measurement relevant information.
14. device as claimed in claim 13 is characterized in that, described device also comprises:
Trigger module is used for entering connection status in definite terminal, or definite terminal enters connection status, and this terminal triggers the reporting subdistrict set that described determination module is determined terminal need adopt cooperative multipoint transmission the time.
15. device as claimed in claim 14 is characterized in that, when following condition satisfied, described trigger module determined that this terminal need adopt cooperative multipoint transmission:
The signal strength signal intensity of terminal reception sub-district, place is lower than first thresholding of setting;
The current channel condition of terminal need can not support the business of transmission.
16. device as claimed in claim 13 is characterized in that, described determination module is used for:
The signal strength signal intensity of the sub-district that receives in setting-up time according to the position and/or the terminal of sub-district, terminal place is determined the reporting subdistrict set of terminal.
17. device as claimed in claim 16 is characterized in that, described determination module is used for:
From the Neighboring Relation Table of the sub-district at terminal place, select adjacent sub-district with collaborative transmittability, determine the reporting subdistrict collection according to the adjacent sub-district of selecting; Or
From the Neighboring Relation Table of the sub-district at terminal place, select part or all of co-frequency neighbor cell, determine the reporting subdistrict collection according to the adjacent sub-district of selecting; Or
According to the estate performance statistical parameter, from the Neighboring Relation Table of the sub-district at terminal place, determine the switching probability in this terminal each sub-district in Neighboring Relation Table, select the adjacent sub-district of switching probability, determine the reporting subdistrict collection according to the adjacent sub-district of selecting greater than second thresholding of setting; Or
According to the locating information of terminal and the geographical location information of the base station under the terminal, select and the immediate one or more adjacent sub-districts of terminal, determine the reporting subdistrict collection according to the adjacent sub-district of selecting.
18., it is characterized in that described determination module is used for as claim 16 or 17 described devices:
Determine the signal strength signal intensity of each sub-district that terminal receives in setting-up time, select the sub-district of the signal strength signal intensity of sub-district, determine the reporting subdistrict collection according to the adjacent sub-district of selecting greater than the 3rd threshold value of setting.
19. device as claimed in claim 13 is characterized in that, described device also comprises:
The late note module is used at described sending module after the described reporting subdistrict set that terminal send to be determined, gathers when expired at definite described reporting subdistrict, to described terminal transmission late note, is used to indicate described terminal to stop the reporting measurement relevant information.
20. device as claimed in claim 13 is characterized in that, described device also comprises:
Expired timer starts module, is used for starting the expired timer that is provided with for this terminal after described determination module is determined the reporting subdistrict set CRCS of terminal, and described expired timer expiry is used to indicate described terminal to stop the reporting measurement relevant information.
21. the device as claim 20 is stated is characterized in that, described device also comprises:
First update module is used for if determine that described terminal need continue to adopt cooperative multipoint transmission, then triggering the reporting subdistrict set that described determination module redefines terminal when described expired timer expiry.
22. device as claimed in claim 13 is characterized in that, described device also comprises:
Second update module is used at described sending module when satisfying update condition, triggering the reporting subdistrict set that described determination module redefines terminal after terminal sends the described reporting subdistrict set of determining.
23. device as claimed in claim 22 is characterized in that, described update condition comprises one or more in the following condition:
The community configured information of the cooperative multipoint transmission of system changes;
The current channel condition of terminal need can not support the business of transmission;
Terminal is carried out the sub-district and is switched;
The renewal timer expiry of setting.
24., it is characterized in that described sending module is gathered by a kind of transmission reporting subdistrict in the following manner as the described device of the arbitrary claim of claim 13～23:
Place the radio resource control RRC signaling to send described reporting subdistrict set;
Place system broadcasts to send described reporting subdistrict set.
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| CN2009100801649A CN101848485B (en) | 2009-03-24 | 2009-03-24 | Method and device for indicating terminal to report measurement information |
| PCT/CN2010/071119 WO2010105571A1 (en) | 2009-03-18 | 2010-03-18 | Method for instructing to measure and feed back channel quality information, device and system thereof |
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| CN2009100801649A CN101848485B (en) | 2009-03-24 | 2009-03-24 | Method and device for indicating terminal to report measurement information |
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