CN102724688A - Method and apparatus for measuring carrier - Google Patents
Method and apparatus for measuring carrier Download PDFInfo
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- CN102724688A CN102724688A CN201110078378XA CN201110078378A CN102724688A CN 102724688 A CN102724688 A CN 102724688A CN 201110078378X A CN201110078378X A CN 201110078378XA CN 201110078378 A CN201110078378 A CN 201110078378A CN 102724688 A CN102724688 A CN 102724688A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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Abstract
The embodiment of the invention provides a method and an apparatus for measuring carrier. The method comprises: receiving a control message from a base station, wherein the control message being used for indicating up-down subframe configuration of the carrier not currently providing services; determining the uplink-downlink configuration of the carrier not currently providing services based on the control message; and measuring the carrier based on the uplink-downlink configuration of the carrier. The apparatus comprises a reception module, a determination module, and a measuring module. Based on the technical scheme provided by the embodiment of the invention, the uplink-downlink configuration of the carrier not currently providing services can be obtained from the control message, so that more subframe information can be used for measuring the carrier not currently providing services, and more accurate measure results can be obtained in a shorter time, efficiency of measuring the carrier is improved, and the measurement process is still carried out based on the subframe, hardware resources needed for measuring by the user equipment need not to be increased, thereby preventing the cost of the chip of the user equipment from rising.
Description
Technical field
The present invention relates to wireless communication field, and more specifically, relate to the method and apparatus of measuring carrier wave in the wireless communication field.
Background technology
LTE-A (Long Time Evolution-Advance, the evolution of Long Term Evolution) R10 (version 10) is the further enhancing of LTE R8 technology, has the bandwidth requirement higher than LTE system.Require to support the peak data rate up to 1Gbits/s in order to satisfy high bandwidth, (Carrier Aggregation, CA) technology is used for the expanding system bandwidth to have introduced carrier aggregation.The main thought of carrier aggregation is that (Component Carrier CC) pools the carrier wave of a bigger bandwidth, to support high data rate with a plurality of composition carrier waves.Yet in R10TDD (time division multiplexing) system, system bandwidth can be formed carrier wave by 5 at most and converge and form, but this system can only support to have the carrier aggregation of identical ascending-descending subframes configuration.
In the TDD system, can different ascending-descending subframes configurations be set for carrier wave, thereby transmit sub-frame of uplink or descending sub frame at different time slots.In existing protocol, support the configuration of seven kinds of ratio of uplink subframe to downlink subframe shown in form 1, specifically adopting which kind of ascending-descending subframes configuration is that (User Equipment, UE) transmission message is notified to subscriber equipment through the base station.The configuration of tdd mode ascending-descending subframes has been shown in form 1.Wherein uplink-downlink configuration (Uplink-downlink configuration) is represented the numbering of different ascending-descending subframes configurations; D representes descending sub frame; U representes sub-frame of uplink, and S representes special subframe, DL: UL is illustrated in the proportioning of descending sub frame and sub-frame of uplink in the frame.
Form 1
Owing in existing R10TDD system, can only support the carrier wave of identical configuration to carry out polymerization; So according to form 1; For example the R10TDD system can support to dispose two carrier waves of 1 and carries out polymerization; Also can support to dispose two carrier waves of 2 and carry out polymerization, but can not support that a carrier wave is configuration 1 and another carrier wave is the carrier aggregation of configuration 2.In addition; In the R10TDD system, the TDD in the network adopts identical configuration, i.e. certain base station (eNB for example; Evolved Node B; Evolved base station) adopt configuration 1, configuration 1 is also adopted in the base station in the neighbor cell around it so, thereby all carrier waves in this sub-district, place, base station and the neighbor cell thereof all adopt configuration 1.
Though in the evolution version R10 of LTE, can only support to have the carrier aggregation of identical ascending-descending subframes configuration; Support that in following evolution version (for example R11, R12) of LTE TDD has the possibility of the carrier aggregation of different ascending-descending subframes configurations but can not get rid of, for example in the LTE future version, support two carrier waves of configuration 1 and configuration 2 to carry out polymerization.At this moment, the ascending-descending subframes configuration condition of different of a plurality of carrier waves possibly occur: in same sub-district, different carrier has different ascending-descending subframes configurations, and between different districts, different carrier also has different ascending-descending subframes configurations.
When the configuration of the ascending-descending subframes of carrier wave not simultaneously; Though UE knows the ascending-descending subframes configuration of (comprising that UE resident carrier wave and UE in idle pulley accept the carrier wave of service from it in connection mode) of the current carrier wave that service is provided; But UE does not know the ascending-descending subframes configuration of the non-current carrier wave that service is provided, so UE non-ly currently provides the measurement of the carrier wave of service to be affected to these.For example, under DRX (Discontinuous reception, discontinuous reception) state; Because UE can only measure the non-current carrier wave that service is provided to 0 work song frame and 5 work song frames under each configuration mode in the form 1; Make UE measure required number of sub-frames and reduce, thereby under the prerequisite that obtains identical certainty of measurement, need the longer time to measure; The time that causes UE to get into sleep thus shortens, and is unfavorable for the UE economize on electricity.On the other hand,, then, need to increase the measurement hardware resource of UE, thereby cause the chip cost of UE to rise in order to shorten Measuring Time if UE hopes to obtain identical certainty of measurement.
This shows, when carrier wave has different ascending-descending subframes configurations, only utilize 0 work song frame and 5 work song frames to come carrier wave is measured, make to be difficult to the non-current carrier wave of service that provides is carried out the rapid and precise measurement.
Summary of the invention
The embodiment of the invention provides the method and apparatus of measuring carrier wave, can have under the situation of different ascending-descending subframes configurations at carrier wave, the non-current carrier wave of service that provides is carried out accurately and measurement fast, thereby improve the efficient that carrier wave is measured.
On the one hand, the embodiment of the invention provides a kind of method of measuring carrier wave, comprising: receive the control messages from the base station, control messages is used to indicate the non-current ascending-descending subframes configuration that the carrier wave of service is provided; Based on control messages, confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided; Based on the non-current ascending-descending subframes configuration that the carrier wave of service is provided, the non-current carrier wave of service that provides is measured.
On the other hand, the embodiment of the invention provides a kind of device that is used to measure carrier wave, comprising: receiver module, be used to receive control messages from the base station, and control messages is used to indicate the non-current ascending-descending subframes configuration that the carrier wave of service is provided; Determination module is used for based on control messages, confirms the non-current ascending-descending subframes configuration that the carrier wave of service is provided; Measurement module is used for based on the non-current ascending-descending subframes configuration that the carrier wave of service is provided the non-current carrier wave of service that provides being measured.
The technique scheme that provides based on the embodiment of the invention; According to the non-current ascending-descending subframes configuration information that the carrier wave of service is provided that obtains from control messages; Can confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided, thereby can utilize more descending sub frame (the for example D in the form 1) to come the non-current carrier wave of service that provides is measured.Than the measurement that correlation technique only adopts No. 0 and 5 work song frames carry out, can utilize more subframes information in the shorter time, to obtain measurement result more accurately, thereby can improve the efficient of measuring carrier wave.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, to those skilled in the art; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart according to the method for the measurement carrier wave of the embodiment of the invention.
Fig. 2 is the flow chart according to another method of the measurement carrier wave of the embodiment of the invention.
Fig. 3 is the flow chart of a method again according to the measurement carrier wave of the embodiment of the invention.
Fig. 4 is the structured flowchart of device that is used to measure carrier wave according to the embodiment of the invention.
Fig. 5 is the structured flowchart of another device that is used to measure carrier wave according to the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme of the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on the said embodiment among the present invention, the every other embodiment that those skilled in the art are obtained under the prerequisite of not making creative work should belong to the scope that the present invention protects.
At first, in conjunction with Fig. 1 the method 100 according to the measurement carrier wave of the embodiment of the invention is described.
As shown in Figure 1, method 100 comprises: in S110, receive the control messages from the base station, control messages is used to indicate the non-current ascending-descending subframes configuration that the carrier wave of service is provided; In S120,, confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided based on control messages; In S130,, the non-current carrier wave of service that provides is measured based on the non-current ascending-descending subframes configuration that the carrier wave of service is provided.
UE can be from the base station receiving control message, in control messages, can carry the ascending-descending subframes configuration information of other carrier waves except the carrier wave that current service is provided for UE, be used to indicate the ascending-descending subframes configuration of corresponding carriers.UE can obtain the non-current ascending-descending subframes configuration information that the carrier wave of service is provided according to control messages.Non-current the carrier wave of service is provided is the current carrier wave that UE is not provided service, can comprise the carrier wave that service is not provided of the residing Serving cell of UE, also can comprise the carrier wave of the neighbor cell adjacent with Serving cell.The carrier wave that UE resident carrier wave or UE in idle pulley use under connection mode belongs to the current carrier wave that service is provided, and other carrier waves then belong to the non-current carrier wave that service is provided.UE is according to the non-current ascending-descending subframes configuration information that the carrier wave of service is provided, and can confirm the ascending-descending subframes configuration of corresponding carriers, can utilize in this carrier wave more subframes information to come this carrier wave is measured thus.UE can confirm the descending sub frame of said carrier wave, thereby on these descending sub frames, said carrier wave measured based on the ascending-descending subframes configuration of said carrier wave.
The method of the measurement carrier wave that provides according to the embodiment of the invention; According to the non-current ascending-descending subframes configuration information that the carrier wave of service is provided that obtains from control messages; Can confirm the ascending-descending subframes configuration of non-current service carrier wave, thereby can utilize more descending sub frame to come the non-current carrier wave of service that provides is measured.Alternatively, except descending sub frame, can also utilize special subframe (the for example S in the form 1) to measure the non-current carrier wave that service is provided.Than the measurement that correlation technique only adopts No. 0 and 5 work song frames carry out, can utilize more subframes information in the shorter time, to obtain measurement result more accurately, thereby can improve the efficient of measuring carrier wave.And because measuring process is still carried out based on subframe, measure required hardware resource, can not cause the rising of UE chip cost thereby need not to increase UE.
Next, specific descriptions are according to the S110 to S130 of the embodiment of the invention.
In S110, receive control messages from the base station, control messages is used to indicate the non-current ascending-descending subframes configuration that the carrier wave of service is provided.
According to one embodiment of present invention, subscriber equipment can receive the system message from the base station of Serving cell.In system message; Can as correlation technique, carry the ascending-descending subframes configuration information of the current service carrier wave of Serving cell; Can also expand, and then carry the non-current ascending-descending subframes configuration information that the carrier wave (comprising other carrier waves of current service cell and/or the carrier wave of neighbor cell) of service is provided.
Broadcast channel can be passed through to UE transmitting system message in the base station of the residing Serving cell of UE, and system message is carried and the non-current relevant information of carrier wave that service is provided.
The non-current carrier wave of service that provides comprises UE non-resident carrier wave in idle pulley, also comprises UE untapped carrier wave in connection mode.These carrier waves can comprise other carrier waves except the carrier wave of receiving system message in the current service cell, also can comprise the carrier wave in the neighbor cell.These carrier waves can have the function of carrier aggregation, also can not have the function of carrier aggregation, thereby these non-current carrier waves that service is provided can be to form carrier wave, also can not be to form carrier wave.Relate in the system message non-current the carrier wave of service is provided can be the whole carrier waves in the sub-district, also can be the part carrier wave in the sub-district.
The ascending-descending subframes configuration information of the carrier wave in the neighbor cell can be sent to the base station of Serving cell by the base station of neighbor cell, and the base station by Serving cell sends to subscriber equipment again.
The mode of ascending-descending subframes configuration information of in system message, carrying carrier wave is varied.For instance, can ascending-descending subframes configuration information explicitly be carried in the system message.For example, the subframe with specific sub-frame number is that the sub-frame of uplink (U) or the information of descending sub frame (D) directly are carried in the system message.Also can carry the ascending-descending subframes configuration information through unique identifier in the system message or numbering.For example, certain numbering in the numbering 0 to 6 of form 1 is carried in the system message, numbers through this and characterize the ascending-descending subframes configuration information.Can also the ascending-descending subframes configuration information be defined with enumeration type, each in the enumeration type is worth corresponding a kind of ascending-descending subframes configuration mode, characterizes the ascending-descending subframes configuration information through in system message, carrying the value that belongs to enumeration type.In addition, can also directly utilize " TDD-Config " of protocol definition that the TDD ascending-descending subframes configuration information of carrier wave is described.
According to one embodiment of present invention, subscriber equipment can receive the signaling from the base station of Serving cell, and signaling is carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided.
For example; Subscriber equipment can receive Radio Resource control (the RadioResource Control from the base station of Serving cell; RRC) signaling, RRC signaling can be carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in current service cell and the neighbor cell.In the process that RRC connect to set up or RRC connect set up after, the RRC signaling can be sent to UE in the base station of the residing Serving cell of UE.In the RRC signaling, not only can carry the non-current ascending-descending subframes configuration information that the service carrier wave is provided in the Serving cell, can also carry the ascending-descending subframes configuration information of the carrier wave in the neighbor cell.The ascending-descending subframes configuration information of the carrier wave of neighbor cell still can be passed to the base station of Serving cell by the base station of neighbor cell.At this moment, need expand,, carry the non-current ascending-descending subframes configuration information that the service carrier wave is provided based on newer field or reserved field for the RRC signaling increases new field or utilizes the reserved field in the RRC signaling to the RRC signaling.The mode of carrying can be with reference to mentioned above.
Certainly; Those skilled in the art also can easily expect; Carry the ascending-descending subframes configuration information of carrier wave except utilizing the RRC signaling; Can also utilize the new signaling of other signaling or definition again to transmit the non-current ascending-descending subframes configuration information that the carrier wave of service is provided, for example use the signaling of MAC (Media Access Control, medium access control) signaling or physical layer etc.
As stated, can in system message or in signaling, carry the non-current ascending-descending subframes configuration information that the carrier wave of service is provided of Serving cell and neighbor cell.But according to embodiments of the invention, have at some carrier wave under the situation of identical ascending-descending subframes configuration, need not carry the ascending-descending subframes configuration information of all carrier waves in the neighbor cell with frequency range.For example, system message or signaling can be carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell; And when the carrier wave in the neighbor cell have with Serving cell in the identical ascending-descending subframes configuration of the carrier wave of same frequency range the time, system message or signaling can not carried the ascending-descending subframes configuration information of this carrier wave of neighbor cell.At this moment, to the carrier wave in the neighbor cell, it is unknown and can not be according to the ascending-descending subframes configuration information of releasing those carrier waves of its ascending-descending subframes configuration with the carrier wave of frequency range that system message or signaling can only be carried the configuration of its ascending-descending subframes.
Particularly; System message or signaling need be carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell; But whether need carry the ascending-descending subframes configuration information of the carrier wave in the neighbor cell, then with neighbor cell in carrier wave relevant with the relation between the carrier wave in the Serving cell.If certain carrier wave of the specific carriers of neighbor cell and current service cell is on identical frequency range and have identical ascending-descending subframes configuration, then can repeat to carry the ascending-descending subframes configuration of this specific carriers again; If certain carrier wave of the specific carriers of neighbor cell and current service cell on identical frequency range, but have the configuration of different ascending-descending subframes, then still need in system message, carry the ascending-descending subframes configuration of this specific carriers; If all carrier waves of the specific carriers of neighbor cell and current service cell not on identical frequency range, then need carry the ascending-descending subframes configuration of this specific carriers.
According to one embodiment of present invention, system message or signaling can be carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell.At this moment; When the non-current carrier wave that service is provided has identical ascending-descending subframes configuration in the non-current carrier wave that service is provided in the neighbor cell and the Serving cell; Can confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided in the neighbor cell based on the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell.
If the specific carriers in the neighbor cell has identical ascending-descending subframes configuration with certain carrier wave in the Serving cell; Then in system message or signaling; Can not carry the ascending-descending subframes configuration information of this specific carriers, and directly obtain the ascending-descending subframes configuration of this specific carriers according to carrier wave with identical ascending-descending subframes configuration.
According to one embodiment of present invention, subscriber equipment can receive the system message from the base station of Serving cell, and system message is carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell; Reception is from the signaling of the base station of Serving cell, and signaling is carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the neighbor cell.
Receiving system message does not limit protection scope of the present invention with the order that receives signaling.
When UE is in idle (IDLE) pattern; UE can be from the base station receiving system message of Serving cell; The ascending-descending subframes configuration information that not only contains the current resident carrier wave of UE in this system message also contains the ascending-descending subframes configuration information of other carrier waves in the Serving cell at UE place.Like this, UE can obtain the ascending-descending subframes configuration of the carrier wave of Serving cell.
When UE was in connection mode (CONNECTED), UE can obtain the ascending-descending subframes configuration information of the carrier wave in the neighbor cell through the signaling that send the base station of Serving cell.This signaling can be the RRC signaling, also can be other signalings.
Because in this case; UE has obtained the ascending-descending subframes configuration information of the carrier wave of Serving cell in idle pulley; Then need not to obtain again the ascending-descending subframes configuration information of the carrier wave of Serving cell, only need get final product by means of the ascending-descending subframes configuration information that signaling is obtained the carrier wave of neighbor cell through signaling.And utilizing signaling to obtain under the situation of ascending-descending subframes configuration information of carrier wave of Serving cell and neighbor cell; Because system message possibly only contain the ascending-descending subframes configuration information of the carrier wave of current service, therefore need utilize signaling to obtain the relevant information that has other carrier waves of different ascending-descending subframes configurations with the current service carrier wave.
In this embodiment, carry the ascending-descending subframes configuration information of carrier wave in the Serving cell by system message, signaling then can be carried the ascending-descending subframes configuration information of all carrier waves in the neighbor cell.But, having at some carrier wave under the situation of identical ascending-descending subframes configuration with frequency range, signaling also can not carried the information of neighbor cell middle part sub-carrier.According to one embodiment of present invention, when the carrier wave in the neighbor cell have with Serving cell in the identical ascending-descending subframes configuration of the carrier wave of same frequency range the time, signaling is not carried the ascending-descending subframes configuration information of this carrier wave of neighbor cell.At this moment, it is unknown and can not be according to the ascending-descending subframes configuration information of releasing the carrier wave of its ascending-descending subframes configuration with the carrier wave of frequency range that signaling only need be carried the configuration of its ascending-descending subframes.
According to one embodiment of present invention, subscriber equipment can receive the synchronizing signal from the base station of Serving cell and/or neighbor cell.Synchronizing signal is that send on synchronizing channel the base station, through synchronizing signal transmission and synchronous relevant information.Synchronizing signal is periodically sent on synchronizing channel continuously, and its each cycle can be thought and constituted control messages.The synchronizing signal (being control messages) that UE sends in synchronizing channel through the base station of detecting neighbor cell; Extract Physical Cell Identifier (the Physical Cell Identification in the synchronizing signal; PCI); Confirm the ascending-descending subframes configuration information of corresponding carrier wave according to PCI, this will be described in detail with reference to figure 2 hereinafter.
In S120,, confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided based on control messages.
Through the control messages that in S110, receives, can obtain the non-current ascending-descending subframes configuration information that the carrier wave of service is provided, thereby can confirm the ascending-descending subframes configuration of corresponding carriers.If control messages is not carried the non-current ascending-descending subframes configuration information that certain or some carrier wave of service is provided; Explain that then this carrier wave has identical ascending-descending subframes configuration with the carrier wave of the known ascending-descending subframes configuration of similar frequency bands, this remains the conclusion that draws based on control messages.
When from the base station receiving system message of Serving cell, can come directly to confirm that the ascending-descending subframes of the carrier wave of the non-current carrier wave that service is provided and neighbor cell in the Serving cell disposes through system message.These are non-, and current the carrier wave of service is provided can be the non-current service carrier waves that provides all in the respective cell, also can be the non-current service carrier wave that provides of part in the respective cell.Through system message, also can only confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided in the Serving cell, the configuration of the ascending-descending subframes of carrier wave is confirmed by means of signaling in the neighbor cell.
When the base station from Serving cell receives the signaling such as the RRC signaling, can come directly to confirm the non-current ascending-descending subframes configuration that the carrier wave of service carrier wave and neighbor cell is provided in the Serving cell through signaling.Also can only confirm the ascending-descending subframes configuration information of the carrier wave in the neighbor cell, and the non-current ascending-descending subframes configuration information of service carrier wave that provides can be obtained in the Serving cell by UE through system message in idle pulley through signaling.For example; Under the situation of carrying the ascending-descending subframes configuration information of forming carrier wave through the RRC signaling; If do not comprise that with the current system message that provides the corresponding base station of composition carrier wave of service to send for UE this base station belongs to the ascending-descending subframes configuration information of other composition carrier waves of sub-district; Other form the ascending-descending subframes configuration information of carrier wave then need to carry this sub-district through the RRC signaling; Otherwise the RRC signaling can not carried this sub-district, and other form the ascending-descending subframes configuration information of carrier wave, and only carry the ascending-descending subframes configuration information of forming carrier wave in the neighbor cell.Particularly, in the RRC signaling, can indicate other ascending-descending subframes of forming carrier waves configurations whether identical,, then can directly provide its ascending-descending subframes configuration information if different with the ascending-descending subframes configuration of current service carrier wave (be UE resident carrier wave).
When receiving synchronizing signal, can confirm the PCI of corresponding carriers based on synchronizing signal from the base station.Owing to can be that different PCI sets concrete ascending-descending subframes configuration information in advance, so can confirm the ascending-descending subframes configuration information of this carrier wave according to the PCI of carrier wave, such as Fig. 2 description.
In S130,, the non-current carrier wave of service that provides is measured based on the non-current ascending-descending subframes configuration that the carrier wave of service is provided.
According to one embodiment of present invention, can be based on the ascending-descending subframes configuration of the non-current carrier wave that service is provided, on the descending sub frame of the non-current carrier wave that service is provided, the non-current carrier wave of service that provides is measured.
Confirmed after the ascending-descending subframes configuration information of the non-current carrier wave that service is provided; Can confirm the ascending-descending subframes configuration of this carrier wave; Thereby can confirm the particular location of descending sub frame; Therefore except utilizing No. 0 and 5 work song frames measure carrier wave, can also utilizing other descending sub frame that carrier wave is measured.Alternatively, can also utilize special subframe that carrier wave is measured.
The method of the measurement carrier wave that provides according to the embodiment of the invention is obtained system message and/or signaling through the base station from Serving cell, can confirm that subscriber equipment accepts the ascending-descending subframes configuration of the carrier wave of service from it.Like this; Have in the different ascending-descending subframes system configured at carrier wave; Owing to confirmed the ascending-descending subframes configuration of carrier wave, UE can utilize more subframes information to help carry out carrier wave and measure, thereby than correlation technique only adopts No. 0 and 5 work song frames carry out measurement; Measurement result more accurately can be in the shorter time, obtained, therefore the efficient of measuring carrier wave can be improved.And the mode of ascending-descending subframes configuration information of obtaining carrier wave is easy, existing system is changed little, and implementation complexity is low.
Fig. 2 is the flow chart according to the method 200 of the measurement carrier wave of the embodiment of the invention.
In S210, receive synchronizing signal from the base station.
UE can be through neighbor cell the synchronizing channel of base station receive the synchronizing signal that send the base station of neighbor cell, the synchronizing channel of base station that can also be through Serving cell receives the synchronizing signal that send the base station of Serving cell.Through the synchronizing signal that send the base station, UE can confirm and the relevant synchronizing information of the corresponding carrier wave in this base station.
In S220,, confirm the non-current Physical Cell Identifier that the carrier wave of service is provided based on synchronizing signal.
In the synchronizing signal that send through synchronizing channel the base station, carry the PCI information of this used carrier wave in base station.The corresponding independent PCI of each carrier wave.When UE still was in the coverage of base station of Serving cell, UE can confirm the PCI of carrier wave in the Serving cell according to the synchronizing signal that send the base station of Serving cell.When UE was in the border district between Serving cell and the neighbor cell, UE can detect the carrier wave of neighbor cell, thereby can confirm the PCI of detected carrier wave according to the synchronizing signal of sending from the base station of neighbor cell.
In S230,, confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided based on Physical Cell Identifier.
Can for each PCI corresponding uplink and downlink sub-frame configuration mode be set in advance.Like this, UE can confirm the ascending-descending subframes configuration with the corresponding carrier wave of this PCI according to the PCI of carrier wave.
Also can in advance different PCI be divided into groups, an ascending-descending subframes configuration mode is set for each grouping.Like this, when UE confirms the PCI of carrier wave in S220 after,, can confirm the grouping corresponding uplink and downlink sub-frame configuration at PCI place according to the grouping at PCI place.
Can also be the different ascending-descending subframes configuration mode of carrier wave dynamic assignment by the base station, like this, the ascending-descending subframes configuration that each PCI is corresponding can be dynamic change.In this case; The base station of Serving cell not only can tell the relation between its PCI and the ascending-descending subframes configuration of carrier wave to UE, can also the PCI that it obtains from the base station of neighbor cell be concerned with the ascending-descending subframes configuration one to one to tell to UE.UE can confirm and this PCI corresponding uplink and downlink sub-frame configuration according to the PCI that in S220, confirms, can confirm thus and carrier wave corresponding uplink and downlink subframe configuration information.
In S240,, the non-current carrier wave of service that provides is measured based on the non-current ascending-descending subframes configuration that the carrier wave of service is provided.The S130 of this step and Fig. 1 is basic identical.
It may occur to persons skilled in the art that; Can utilize method 200 to obtain the ascending-descending subframes configuration information of the carrier wave in Serving cell and the neighbor cell separately; And then measure the carrier wave in Serving cell and the neighbor cell, can also method 200 and method 100 be made up and measure carrier wave.For example; Obtain the ascending-descending subframes configuration information of the carrier wave of neighbor cell through method 200; And then the carrier wave in the measurement neighbor cell, and obtain the ascending-descending subframes configuration information of the carrier wave of Serving cell through system message in the method 100 or signaling, and then measure the carrier wave in the Serving cell.
The method of the measurement carrier wave that provides according to the embodiment of the invention through obtaining synchronizing signal from the base station, based on the corresponding relation between PCI in the synchronizing signal and the ascending-descending subframes configuration, can be confirmed the ascending-descending subframes configuration of carrier wave.Like this; Can come to confirm easily the ascending-descending subframes configuration of carrier wave according to PCI information; Thereby can utilize more subframes information to help carrier wave is measured; Than the measurement that correlation technique only adopts No. 0 and 5 work song frames carry out, can in the shorter time, obtain measurement result more accurately, therefore can improve the efficient of measuring carrier wave.And the mode of ascending-descending subframes configuration information of obtaining carrier wave is easy, need not existing message and signaling are made amendment, and implementation complexity is low.
Next, in conjunction with Fig. 3 the method 300 according to the measurement carrier wave of the embodiment of the invention is described.
S110, S120 and S130 in S310 in the method 300, S320 and S330 and the method 100 are basic identical.
According to one embodiment of present invention, after S330, method 300 can also comprise S340; In idle pulley; When the current resident carrier wave of subscriber equipment can not be resident, according to measurement result, in the non-current carrier wave that service is provided, select can be resident target carrier.
When UE is in idle pulley, UE can according to the measurement of carrier wave is confirmed can be resident target carrier.
UE can at first measure the current service carrier wave of current service cell, promptly the current resident carrier wave of UE is measured.If the quality of current resident carrier wave is lower than certain threshold, explain that then current resident carrier wave can not be resident, so start measurement to other carrier waves of Serving cell.If it is resident that other carrier waves in the Serving cell are fit to, then with this carrier selecting be can be resident target carrier.If in other carrier waves of Serving cell, still do not find suitable carrier wave that can be resident, then start measurement to the carrier wave of neighbor cell.When in certain neighbor cell, find being fit to resident target carrier, UE with this carrier selecting be can be resident target carrier, confirm to reside on this target carrier.If this suitable resident target carrier that UE selects and the current resident carrier wave of UE be not in same paging zone, then UE need carry out the renewal of paging position (Tracking Area Update, TAU) process.
According to one embodiment of present invention, after S330, method 300 can also comprise S350, in connection mode, reporting measuring result is given the base station of Serving cell.
When UE is in connection mode; The UE of ongoing communication (for example conversing, accept data, services etc.) reports the base station of current service cell with the signal quality of the carrier wave that measures, and the result who measures according to carrier wave for the base station of Serving cell determines whether to switch.The measurement result of carrier wave of measurement result and neighbor cell that can comprise the carrier wave of current service cell in the measurement result that reports.
Though S350 carries out after S340 in Fig. 3, S350 also can carry out before S340, and this depends on UE present located state.
The method of the measurement carrier wave that provides according to the embodiment of the invention after carrier wave is measured more accurately and rapidly, can be utilized measurement result according to the residing different mode of UE, thereby helps the execution that the paging position is upgraded or switched.
Described method above, will combine Fig. 4 and Fig. 5 to describe the device that is used to measure carrier wave below according to the embodiment of the invention according to the measurement carrier wave of the embodiment of the invention.
Fig. 4 shows the structured flowchart of device 400 that is used to measure carrier wave according to the embodiment of the invention.
Device 400 comprises receiver module 410, determination module 420 and measurement module 430.But 410 1 interfaces of receiver module are used to receive the control messages from the base station, and control messages is used to indicate the non-current ascending-descending subframes configuration that the carrier wave of service is provided.Determination module 420 can be used for based on control messages, confirms the non-current ascending-descending subframes configuration that the carrier wave of service is provided.Measurement module 430 can be a processor, can be used for based on the non-current ascending-descending subframes configuration that the carrier wave of service is provided the non-current carrier wave of service that provides being measured.
Above-mentioned and other operations of receiver module 410, determination module 420 and measurement module 430 and/or function can for fear of repetition, repeat no more at this with reference to the S110 to S130 in the method 100 of above-mentioned measurement carrier wave.
The device that is used to measure carrier wave that the embodiment of the invention provides; Have in the different ascending-descending subframes system configured at carrier wave; According to the non-current ascending-descending subframes configuration information that the carrier wave of service is provided that obtains from control messages; Can confirm the ascending-descending subframes configuration of these carrier waves, thereby can utilize more descending sub frame to come the non-current carrier wave of service that provides is measured.Than the measurement that correlation technique only adopts No. 0 and 5 work song frames carry out, can utilize more subframes information in the shorter time, to obtain measurement result more accurately, thereby can improve the efficient of measuring carrier wave.And because measuring process is still carried out based on subframe, measure required hardware resource, can not cause the rising of UE chip cost thereby need not to increase UE.
Fig. 5 shows another device 500 the structured flowchart that is used to measure carrier wave according to the embodiment of the invention.
The receiver module 510 of device 500, determination module 520 and measurement module 530 are basic identical with receiver module 410, determination module 420 and the measurement module 430 of device 400.
According to one embodiment of present invention, receiver module 510 can be used for receiving system message or the signaling from the base station of Serving cell, and system message or signaling are carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided.
According to one embodiment of present invention, receiver module 510 can be used for receiving system message or the signaling from the base station of Serving cell, and system message or signaling are carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell.At this moment; Determination module 520 also can be used for when the non-current carrier wave that service is provided has identical ascending-descending subframes configuration in the non-current carrier wave that service is provided in the neighbor cell and the Serving cell; Based on the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell, confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided in the neighbor cell.
According to one embodiment of present invention, receiver module 510 can comprise first receiving element 512 and second receiving element 514, can be respectively different interfaces.First receiving element 512 can be used for receiving the system message from the base station of Serving cell, and system message is carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell.Second receiving element 514 can be used for receiving the signaling from the base station of Serving cell, and signaling is carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the neighbor cell.
According to one embodiment of present invention, receiver module 510 can be used for receiving the synchronizing signal from the base station.At this moment, control messages is a synchronizing signal, and determination module 520 can comprise that first confirms unit 522 and second definite unit 524.First confirms that unit 522 can be used for based on synchronizing signal, confirms the Physical Cell Identifier of carrier wave.Second confirms that unit 524 can be used for based on Physical Cell Identifier, confirms the ascending-descending subframes configuration information of carrier wave.
According to one embodiment of present invention, device 500 can also comprise at least one that select in module 540 and the reporting module 550, and these two modules can be processors.Select module 540 to be used in the idle pulley, when the current resident carrier wave of subscriber equipment can not be resident, according to measurement result, in the non-current carrier wave that service is provided, select can be resident target carrier.Reporting module 550 is used in the connection mode, reporting measuring result is given the base station of Serving cell.
According to one embodiment of present invention, measurement module 530 can be used for the ascending-descending subframes configuration based on the non-current carrier wave that service is provided, and on the descending sub frame of the non-current carrier wave that service is provided, the non-current carrier wave of service that provides is measured.
Receiver module 510, first receiving element 512, second receiving element 514, determination module 520, first confirm that unit 522, second confirms that unit 524, above-mentioned and other operations of selecting module 540, reporting module 550 and measurement module 530 and/or function can be with reference to the S110 to S130 in the method 100 of above-mentioned measurement carrier wave, S210 to S230 and S340 and the S350 in the method 300 in the method 200; For fear of repetition, repeat no more at this.
The device that is used to measure carrier wave that the embodiment of the invention provides can obtain system message and/or signaling through the base station from Serving cell, confirms that subscriber equipment accepts the ascending-descending subframes configuration information of the carrier wave of service from it.Can also obtain synchronizing signal through base station,, confirm the ascending-descending subframes configuration of corresponding carriers based on the corresponding relation between PCI in the synchronizing signal and the ascending-descending subframes configuration from Serving cell and/or neighbor cell.
Like this; Have in the different ascending-descending subframes system configured at carrier wave; Owing to confirmed the ascending-descending subframes configuration of carrier wave, UE can utilize more subframes information to help carry out carrier wave and measure, thereby than correlation technique only adopts No. 0 and 5 work song frames carry out measurement; Measurement result more accurately can be in the shorter time, obtained, therefore the efficient of measuring carrier wave can be improved.And; The mode of ascending-descending subframes configuration information of obtaining carrier wave is easy, existing system is changed little, is particularly utilizing PCI to obtain under the situation of ascending-descending subframes configuration information of corresponding carriers; Need not existing message and signaling are made amendment, thereby implementation complexity is low.
In addition, after carrier wave is measured more accurately and rapidly, can utilize measurement result, thereby help the execution that the paging position is upgraded or switched according to the residing different mode of the device that the embodiment of the invention provides.
Those skilled in the art can recognize; In conjunction with various method steps of describing among the embodiment disclosed herein and unit; Can realize with electronic hardware, computer software or the combination of the two; For the interchangeability of hardware and software clearly is described, step and the composition of each embodiment described prevailingly according to function in above-mentioned explanation.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.Those skilled in the art can use distinct methods realize described function to each certain applications, but this realization should not thought and exceeds scope of the present invention.
Method step in conjunction with embodiment disclosed herein describes can use hardware, the software program of processor execution or the combination of the two to implement.Software program can place the storage medium of any other form known in random-access memory (ram), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
Although illustrated and described some embodiments of the present invention, it should be appreciated by those skilled in the art that under the situation that does not break away from principle of the present invention and spirit can carry out various modifications to these embodiment, such modification should fall in the scope of the present invention.
Claims (13)
1. a method of measuring carrier wave is characterized in that, comprising:
Reception is from the control messages of base station, and said control messages is used to indicate the non-current ascending-descending subframes configuration that the carrier wave of service is provided;
Based on said control messages, confirm the said non-current ascending-descending subframes configuration that the carrier wave of service is provided;
Based on the said non-current ascending-descending subframes configuration that the carrier wave of service is provided, the said non-current carrier wave of service that provides is measured.
2. method according to claim 1 is characterized in that, said reception comprises from the control messages of base station:
Reception is from the system message or the signaling of the base station of Serving cell, and said system message or said signaling are carried the said non-current ascending-descending subframes configuration information that the carrier wave of service is provided.
3. method according to claim 1 is characterized in that, said reception comprises from the control messages of base station:
Reception is from the system message or the signaling of the base station of Serving cell, and said system message or said signaling are carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell;
Said method also comprises:
When the non-current carrier wave that service is provided has identical ascending-descending subframes configuration in the non-current carrier wave that service is provided in the neighbor cell and the said Serving cell; Based on the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the said Serving cell, confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided in the said neighbor cell.
4. method according to claim 1 is characterized in that, said reception comprises from the control messages of base station:
Reception is from the system message of the base station of Serving cell, and said system message is carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the said Serving cell;
Reception is from the signaling of the base station of said Serving cell, and said signaling is carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the neighbor cell.
5. method according to claim 1 is characterized in that, said control messages is a synchronizing signal;
Wherein, said based on said control messages, confirm that the ascending-descending subframes configuration of the said non-current carrier wave that service is provided comprises:
Based on said synchronizing signal, confirm the said non-current Physical Cell Identifier that the carrier wave of service is provided;
Based on said Physical Cell Identifier, confirm the said non-current ascending-descending subframes configuration that the carrier wave of service is provided.
6. method according to claim 1 is characterized in that, said the said non-current carrier wave that service is provided is measured after, at least one in also comprising the steps:
In idle pulley, when the current resident carrier wave of subscriber equipment can not be resident, according to measurement result, in the said non-current carrier wave that service is provided, select can be resident target carrier;
In connection mode, reporting measuring result is given the base station of Serving cell.
7. according to arbitrary described method in the claim 1 to 6, it is characterized in that said ascending-descending subframes configuration based on the said non-current carrier wave that service is provided non-ly currently provides the carrier wave measurement of service to comprise to said:
Based on the ascending-descending subframes configuration of the said non-current carrier wave that service is provided, on the descending sub frame of the said non-current carrier wave that service is provided, the said non-current carrier wave of service that provides is measured.
8. a device that is used to measure carrier wave is characterized in that, comprising:
Receiver module is used to receive the control messages from the base station, and said control messages is used to indicate the non-current ascending-descending subframes configuration that the carrier wave of service is provided;
Determination module is used for based on said control messages, confirms the said non-current ascending-descending subframes configuration that the carrier wave of service is provided;
Measurement module is used for based on the said non-current ascending-descending subframes configuration that the carrier wave of service is provided the said non-current carrier wave of service that provides being measured.
9. device according to claim 8; It is characterized in that; Said receiver module is used to receive system message or the signaling from the base station of Serving cell, and said system message or said signaling are carried the said non-current ascending-descending subframes configuration information that the carrier wave of service is provided.
10. device according to claim 8; It is characterized in that; Said receiver module is used to receive system message or the signaling from the base station of Serving cell, and said system message or said signaling are carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the Serving cell
Wherein, Said determination module also is used for when the non-current carrier wave that service is provided has identical ascending-descending subframes configuration in the non-current carrier wave that service is provided of neighbor cell and the said Serving cell; Based on the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the said Serving cell, confirm the non-current ascending-descending subframes configuration that the carrier wave of service is provided in the said neighbor cell.
11. device according to claim 8 is characterized in that, said receiver module comprises:
First receiving element is used to receive the system message from the base station of Serving cell, and said system message is carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the said Serving cell;
Second receiving element is used to receive the signaling from the base station of said Serving cell, and said signaling is carried the non-current ascending-descending subframes configuration information that the carrier wave of service is provided in the neighbor cell.
12. device according to claim 8 is characterized in that, said control messages is a synchronizing signal;
Said determination module comprises:
First confirms the unit, is used for based on said synchronizing signal, confirms the said non-current Physical Cell Identifier that the carrier wave of service is provided;
Second confirms the unit, is used for based on said Physical Cell Identifier, confirms the said non-current ascending-descending subframes configuration that the carrier wave of service is provided.
13. device according to claim 8 is characterized in that, also comprise following at least one:
Select module, be used at idle pulley, when the current resident carrier wave of subscriber equipment can not be resident, according to measurement result, in the said non-current carrier wave that service is provided, select can be resident target carrier;
Reporting module is used at connection mode, reporting measuring result is given the base station of Serving cell.
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| CN201110078378.XA CN102724688B (en) | 2011-03-30 | 2011-03-30 | The method and apparatus of measurement carrier wave |
| PCT/CN2012/071909 WO2012130014A1 (en) | 2011-03-30 | 2012-03-05 | Method and apparatus for measuring carrier |
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| CN201110078378.XA CN102724688B (en) | 2011-03-30 | 2011-03-30 | The method and apparatus of measurement carrier wave |
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| WO2012130014A1 (en) | 2012-10-04 |
| CN102724688B (en) | 2017-04-05 |
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Effective date of registration: 20210427 Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040 Patentee after: Honor Device Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |