CN104854808A - Method for measuring channel quality, user equipment, and base station - Google Patents
Method for measuring channel quality, user equipment, and base station Download PDFInfo
- Publication number
- CN104854808A CN104854808A CN201380065241.8A CN201380065241A CN104854808A CN 104854808 A CN104854808 A CN 104854808A CN 201380065241 A CN201380065241 A CN 201380065241A CN 104854808 A CN104854808 A CN 104854808A
- Authority
- CN
- China
- Prior art keywords
- user equipment
- base station
- signal
- measurement result
- measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Embodiments of the present invention provide a method for measuring channel quality, a user equipment, and a base station. The measuring method comprises: a user equipment measuring signals and noises from another user equipment on a preset resource; and reporting a measurement result to a base station. The embodiments of the present invention can meet requirements of different scenarios.
Description
Signal channel quality measuring method, user equipment and station technology field
The present invention relates to a kind of communications field, more particularly to a kind of signal channel quality measuring method, user equipment and base station.Background technology device-to-device（D2D, Device to Device) communicating refers to user equipment（UE, User Equipment) between direct communication, can effectively improve wireless system spectrum efficiency and reduction control signaling expense.
By finding (Discovery) mechanism, user equipment (UE) 1 and user equipment (UE) 2, which can be reported, can carry out the potential UE of D2D communications with itself.According to reported result, when network side recognizes the communication of the suitable use D2D modes of channel condition between UE1 and UE2, base station can configure UE1 and UE2 and carry out direct data transfer, without passing through core net.The control signaling of D2D communications is supported still to be sent by eNB.
On the other hand, in order to improve MPS process and Consumer's Experience under LTE-A (long term evaluation advanced) system, the handling capacity of raising system and the message transmission rate of user, a kind of multiple small cell (cells）Dense deployment scene, and transmission/reception technique adaptable therewith will be introduced into.This technology can strengthen the coverage of network, improve the reusability and throughput of system of resource, and on the basis of certain network capacity is met, can control the wastage in bulk or weight energy of access network.
But, inventor has found that in existing scheme the measurement of channel quality is typically carried out between the user equipment and base station, and for D2D or small cell scene, existing measurement scheme can not obtain more preferable effect.
It should be noted that the introduction to technical background is intended merely to the convenient explanation clear, complete to technical scheme progress above, and facilitates the understanding of those skilled in the art and illustrate.Can not be merely because these schemes be set forth in the background section of the present invention and think that above-mentioned technical proposal is known to those skilled in the art.
The content of the invention
The embodiment of the present invention provides a kind of signal channel quality measuring method, user equipment and base station.Purpose is between user equipment and user equipment or signal measurement is carried out between base station and base station, thus meets different scene needs.
One side according to embodiments of the present invention includes there is provided a kind of signal channel quality measuring method, the measuring method：
User equipment is measured in predetermined resource to signal and noise from other users equipment；
The result of measurement is reported to the base station serviced for the user equipment.
Another aspect according to embodiments of the present invention includes there is provided a kind of signal channel quality measuring method, the measuring method：
Base station receives the measurement result that user equipment is sent, wherein the measurement result is measured by the user equipment in predetermined resource and obtained to signal and noise from other users equipment；
The user equipment is configured according to the measurement result.
Another aspect according to embodiments of the present invention includes there is provided a kind of signal channel quality measuring method, the measuring method：
Base station is measured in predetermined resource to signal and noise from other base stations.Another aspect according to embodiments of the present invention includes there is provided a kind of user equipment, the user equipment：
Measuring unit, is measured in predetermined resource to signal and noise from other users equipment；
Reporting unit, base station is reported by the result of measurement.
Another aspect according to embodiments of the present invention includes there is provided a kind of base station, the base station：Receiving unit, receives the measurement result that user equipment is sent, wherein the measurement result is measured by the user equipment in predetermined resource and obtained to signal and noise from other users equipment；
First dispensing unit, is configured according to the measurement result to the user equipment.
Another aspect according to embodiments of the present invention includes there is provided a kind of base station, the base station：
Measuring unit, another aspect according to embodiments of the present invention is carried out to the signal from other base stations and noise in predetermined resource, a kind of communication system is provided, the communication system includes user equipment as described above, and base station as described above.
Another aspect according to embodiments of the present invention, a kind of computer-readable program is provided, wherein when performing described program in a user device, described program causes computer to perform the signal channel quality measuring method as described in above-mentioned embodiment in the user equipment.
Another aspect according to embodiments of the present invention is there is provided a kind of storage medium for the computer-readable program that is stored with, wherein the computer-readable program causes computer to perform the signal channel quality measuring method as described in above-mentioned embodiment in a user device.
Another aspect according to embodiments of the present invention is there is provided a kind of computer-readable program, wherein when performing described program in a base station, described program causes computer to perform the signal channel quality measuring method as described in above-mentioned embodiment in the base station.
Another aspect according to embodiments of the present invention is there is provided a kind of storage medium for the computer-readable program that is stored with, wherein the computer-readable program causes computer to perform the signal channel quality measuring method as described in above-mentioned embodiment in a base station.
The beneficial effect of the embodiment of the present invention is, carries out channel quality measurement by the signal between user equipment or between base station, can meet different scene needs.
With reference to explanation hereinafter and accompanying drawing, only certain exemplary embodiments of this invention is disclose in detail, the principle for specifying the present invention can be in adopted mode.It should be understood that embodiments of the present invention are not so limited in scope.In the range of the spirit and terms of appended claims, embodiments of the present invention include many changes, modifications and equivalent.
Described for a kind of embodiment and/or the feature that shows can be used in same or similar mode in one or more other embodiments, it is combined with feature in other embodiment, or substitute the feature in other embodiment.
Refer to that feature, one integral piece, Walk be rapid or presence of component when " include/comprising " uses herein it should be emphasized that term, but be not precluded from that one or more further features, one integral piece, Walk be rapid or presence or additional of component.Brief description of the drawings
Many aspects of the present invention may be better understood with reference to following accompanying drawing.Part in accompanying drawing is not proportional drafting, and is intended merely to show the principle of the present invention.For the ease of showing and describing some parts of the present invention, may to be exaggerated Huo Shrink small for corresponding part in accompanying drawing.
The element and feature that element and feature described in a kind of accompanying drawing or embodiment of the present invention can be shown in one or more other accompanying drawings or embodiment are combined.In addition, in the accompanying drawings, similar label represents corresponding part in several accompanying drawings, and may be used to indicate the corresponding component used in more than one embodiment.
Fig. 1 is a flow chart of the signal channel quality measuring method of the embodiment of the present invention 1；
Fig. 2 is a schematic flow sheet of the D2D discoveries of the embodiment of the present invention 1；
Fig. 3 is a schematic diagram of a scenario of the D2D discoveries of the embodiment of the present invention 1；
Fig. 4 is a schematic diagram of the orthogonal resource of the embodiment of the present invention 1；
Fig. 5 is a schematic flow sheet of the RRM of the embodiment of the present invention 1；
Fig. 6 is another schematic flow sheet of the RRM of the embodiment of the present invention 1；Fig. 7 is a schematic diagram of a scenario of the D2D connections of the embodiment of the present invention 1；
Fig. 8 is a flow chart of the signal channel quality measuring method of the embodiment of the present invention 2；
Fig. 9 is a flow chart of the signal channel quality measuring method of the embodiment of the present invention 3；
Figure 10 is a composition schematic diagram of the user equipment of the embodiment of the present invention 4；
Figure 11 is another composition schematic diagram of the user equipment of the embodiment of the present invention 4；
Figure 12 is another composition schematic diagram of the user equipment of the embodiment of the present invention 4；
Figure 13 is another composition schematic diagram of the user equipment of the embodiment of the present invention 4；
Figure 14 is another composition schematic diagram of the user equipment of the embodiment of the present invention 4；
Figure 15 is a composition schematic diagram of the base station of the embodiment of the present invention 5；
Figure 16 is a composition schematic diagram of the base station of the embodiment of the present invention 6.
Embodiment
Referring to the drawings, by following specification, foregoing and further feature of the invention will be apparent.In the specification and illustrated in the drawings, specifically disclose only certain exemplary embodiments of this invention, which show some embodiments for the principle that can wherein use the present invention, it will be appreciated that, the invention is not restricted to described embodiment, on the contrary, the present invention includes whole modifications, modification and the equivalent fallen within the scope of the appended claims.
In the present embodiment, device-to-device communicates（It is referred to as point-to-point（Peer-to-Peer) communicate, or D2D communications）It is more direct interaction and communication form between a kind of user equipment.If the support without network side infrastructure, then D2D more seems ad hoc networks.
If the support of network side, such as D2D is incorporated into cellular communications networks, then can at least bring following benefit and application：D2D discovery（Discovery the application of neighbouring device) can be served, this characteristic of proximal subscribers can serve a variety of business application aspects.D2D communications can to use when neighboring user has communication requirement, and throughput of system can be increased using this communication mode, reduce the power consumption of user, reduce and load from eNodeB sides（traffic offloading )0Relaying is used as using D2D（Relay technology), strengthens MPS process.In D2D has found and D2D communicates, the measurement of UE sides can be the maintenance that user has found and communicated to connect（For example set up, stop etc.）Submit necessary information.
On the other hand, in order to improve the MPS process and Consumer's Experience under lte-a system, the handling capacity of system and the message transmission rate of user is improved, a kind of multiple small cell (cells can be introduced：) dense deployment scene, and transmission/reception technique adaptable therewith.This technology can strengthen the coverage of network, improve the reusability and throughput of system of resource, and on the basis of certain network capacity is met, can control the wastage in bulk or weight energy of access network.
By using Pico eNodeB, the node of the low-power such as RRH (Remote Radio Head) and Home eNodeB can dispose small cell and small cell cluster according to the demand of operator and the territorial characteristics of business.In order that eat dishes without rice or wine more adapts to this channel condition and environmental quality with the technology of access network, some new functions and characteristic will be introduced into.
The embodiment of the present invention proposes corresponding measuring method for above-mentioned two scene, be can apply to for scene 1 (D2D) between terminal, i.e. user equipment.It is can apply to for scene 2 (small cell) between terminal or between base station.But the invention is not restricted to this, specific application scenarios can also be determined according to actual conditions.Embodiment 1
A kind of signal channel quality measuring method of the embodiment of the present invention, applied to user equipment side.Fig. 1 is a flow chart of the signal channel quality measuring method of the embodiment of the present invention；As shown in Fig. 1, the signal channel quality measuring method includes：
Walk rapid 101, user equipment in predetermined resource to the signal from other users equipment and
Noise is measured；
Walk rapid 102, user equipment reports the result of measurement the base station serviced for the user equipment.In the present embodiment, user equipment can receive the signal of the transmission of other users equipment, and channel quality measurement can be carried out in predetermined resource；Can also be to the signal received and the noise received（Such as interference signal）Measure.The noise can be from other users equipment or from other equipments such as base stations.
In the present embodiment, predetermined resource can be：One of which in running time-frequency resource, reference symbol and spread spectrum code sequence, or combinations thereof.Can be one of which or many of；Specific resource can be determined according to actual conditions.
The predetermined resource can be configured by base station side, or can also be predetermined.On some specific running time-frequency resources, reference symbol and/or spread spectrum code sequence, the measurement of the measurement either interference of receiving power can be carried out.
By taking D2D scenes as an example, for D2D application scenarios, the corresponding resource of measurement should be the ascending resource based on the cellular communication system belonging to the user equipment, and be to find (D2D discovery) based on D2D, and/or D2D communications（D2D communication) running time-frequency resource that uses of stage；Can also particular provisions measurement when the despreading frequency code that uses or reference symbol sequence and time-frequency location.
Signal and noise from neighbouring other users equipment are measured in , Walk rapid 101 in the present embodiment, can specifically be included：The receiving power of the receiving power of receiving power or signal and the ratio of thermal noise or signal to signal and the jamming power or the jamming power of signal and the ratio of thermal noise of the ratio or signal of thermal noise sum and thermal noise measure or signal jamming power and the ratio of thermal noise sum and thermal noise.
Specifically, the amount of measurement can be the ratio or jamming power or jamming power and the ratio of thermal noise of the power or received signal power and thermal noise that receive signal；But the invention is not restricted to this.
For example, the specified upstream resource in Cellular Networks gets on to measure the linear average I of all receiving powers；Either receiving power average value I and thermal noise N ratio, for example I/N or (I+N)/N.The performance number that measures either interference value, can be as the part measured, for example S/ (I+N);Wherein, S can be the receiving power of certain reference symbol, or received signal strength.Only specific measured value is carried out for example, but the invention is not restricted to this above.
In the present embodiment, for D2D application scenarios, when D2D communication or discovery signaling/RS/Beacon carry out channel quality measurement in ascending resource (Uplink resource), user can also aid in carrying out following processing according to measurement result：The neighbouring discovery of user equipment（Proximity discovery), RRM（RRM, Radio Resource Management), channel condition information (CSI, Channel State Information) measurement, and Power Control（Power control) etc..
In one embodiment, user equipment carries out D2D discovery using the result of measurement, can be judged in user equipment side.Fig. 2 is a schematic flow sheet of the D2D discoveries of the embodiment of the present invention.As shown in Fig. 2 this method includes：
Walk rapid 201, user equipment is measured in predetermined resource to signal and noise from other users equipment；
Walk rapid 202, user equipment judges whether measurement result value is more than default threshold value；If the Zhi Hang Walk rapid 203 more than if;Otherwise this D2D discovery procedures；
Walk rapid 203, determines that other users equipment is located at discovery that is neighbouring and realizing D2D.
In the specific implementation, if for example meet one or more following condition, it may determine that the user's user equipment closed on：
I > Threshold;
I/N > Threshold;
(I+N)/N > Threshold。
Wherein Threshold represents a default threshold value, when measured value has exceeded this threshold value, it can be determined that have neighbouring user's user equipment.
The D2D results found are reported base station by Walk rapid 204, user equipment.
Fig. 3 is a schematic diagram of a scenario of the D2D discoveries of the embodiment of the present invention.As shown in figure 3, UE1 and UE2 need to send high-power signal to compensate big path loss（Pass Loss).UE2 is received
After UEl and UE3 signal, channel quality measurement can be carried out, the judgement of D2D discoveries is carried out according to the result of measurement.
In the present embodiment, predetermined resource is the orthogonal resource that base station is configured；Also, user equipment is measured according to orthogonal resource to the signal from other users equipment.Before measuring, base station side can also carry out orthogonal resource distribution to different user devices, to reach more preferable Detection results.
Fig. 4 is the schematic diagram of the orthogonal resource of the embodiment of the present invention.As shown in figure 4, the configuration of resource can include the resource distribution of time-frequency domain, reference symbol port, or different code sequence etc..Orthogonal resource can be one or more, and base station side can distribute to above-mentioned resource distribution different user equipmenies, or groups of users so that the user equipment or groups of users being configured send signal according to such as Fig. 4 resources distributed.
In the present embodiment, it can also be completed for the D2D judgements found by base station side.User equipment, can be by measured value and the resource being associated when channel quality measurement is carried out（For example, the measurement carried out in which resource）Base station is reported together.Base station side sends the resource allocation information of signal before to user equipment, can interpolate that out near report of user equipment and which to close on user equipment in the presence of.
In another embodiment, user equipment reflects the channel quality of D2D connections using the result of measurement, to carry out D2D RRM.Specifically, user equipment is carried out after channel quality measurement, and measurement result can reflect the channel quality of D2D connections.Measurement result can indicate either to calculate a part for channel quality directly as channel quality.
In the present embodiment, the stage is initially set up in connection, whether channel quality can be as setting up the foundations of D2D connections.Fig. 5 is a schematic flow sheet of the RRM of the embodiment of the present invention.As shown in figure 5, this method includes：
Walk rapid 501, user equipment is measured in predetermined resource to signal and noise from other users equipment；
Walk rapid 502, user equipment judges whether measurement result value is more than the channel quality value of predetermined threshold value or the cellular connection whether being more than between user equipment and base station；If the Zhi Hang Walk rapid 503 more than if, the Zhi Hang Walk rapid 504 if being not more than.
Walk rapid 503, determines to carry out D2D connections between user equipment and other users equipment.
In the specific implementation, if for example meeting one or more following condition, D2D connections can be carried out：
Wherein QDRepresent the end value of measurement, or the channel quality value calculated by meter； QCRepresent the cellular connection link quality values of cellular communication; QTIt is a default threshold value of link-quality.
Walk rapid 504, determines to connect without D2D between user equipment and other users equipment.
Walk rapid 505, link information is sent to base station by user equipment.
In the present embodiment, set up after D2D links, D2D link-quality changes such as the time, so above-mentioned measurement or the channel quality calculated by meter can be used as the parameter switched between D2D connections and cellular communication connection.
Fig. 6 is another schematic flow sheet of the RRM of the embodiment of the present invention.As shown in fig. 6, this method includes：
Walk rapid 601, user equipment is measured in predetermined resource to signal and noise from other users equipment；
Walk rapid 602, user equipment judges whether measurement result value is less than the channel quality value of predetermined threshold value or the cellular connection whether being less than between user equipment and base station；If the Zhi Hang Walk rapid 603 more than if, the Zhi Hang Walk rapid 604 if being not more than.
Walk rapid 603, determines that user equipment is switched to cellular connection from D2D connections.
In the specific implementation, if for example meeting one or more following condition, honeycomb link can be switched to from D2D link:
Wherein, QDRepresent above-mentioned measurement, or the channel quality calculated by measurement gauge； QCCharacterize the link-quality of cellular communication； QTIt is a default threshold value of link-quality.
Walk rapid 604, determines that user equipment is not switched to cellular connection from D2D connections.
Walk rapid 605, link information is sent to base station by user equipment.
In the present embodiment, the judgement for D2D connections or switching can also be completed by base station side.Measured value can be reported base station by user equipment after channel quality measurement is carried out.The judgement that D2D connections or D2D switch is carried out according to measurement result by base station side.
Fig. 7 is a schematic diagram of a scenario of the D2D connections of the embodiment of the present invention.As shown in fig. 7, UE1 and UE2 carries out D2D communications, UE3 needs to send high-power signal to compensate big path loss（Pass Loss).UE2 is received after UEl and UE3 signal, can carry out channel quality measurement, and the judgement that D2D connections or D2D switch is carried out according to the result of measurement.
In another embodiment, user equipment adjusts Modulation and Coding Scheme according to the result of measurement（MCS, Modulation and Coding Schemes) grade or the transmission mode that uses, with the change of adaptive channel.
Specifically, using measurement as described above, user can adjust the change that the MCS grades used deacclimatize channel, or user by measured value reporting base station, and the MCS grades that base station is used D2D communications are adjusted.
Similar, user can adjust the change that the transmission mode used deacclimatizes channel, or user by measured value reporting base station, and base station is adjusted to the transmission mode that D2D is used.
In another embodiment, user equipment carries out Power Control according to the result of measurement.Specifically, in D2D communications, Power Control（Power Control) it is essential.In closed loop or the Power Control of open loop, above-mentioned measurement result can be used as the input parameter for calculating D2D communication transmission powers.One of principle can be：Transmission power or target received power should be directly proportional with the interference value measured, and/or are directly proportional to the target power value of setting, and for example D2D target received powers can be calculated according to equation below：
Po = (I+N)* SINR— target
Wherein, Po is the target received power that D2D communicates,（I+N) it can be obtained by measurement, SINR-target is the target signal to noise ratio of setting.Transmission power and target received power should be the relations being directly proportional.
In the present embodiment, base station side was needed to the corresponding measurement object of D2D user device configurations, event and period（Such as measurement gap;I.e. if it is necessary, this measurement can only be carried out in specific period user）.
If measurement is carried out in specific resources as described above, and/or some reference symbols are participated in, then base station side is needed to user configuring（Interference）Measure resource and/or reference symbol.When D2D communications and cellular communication shared resource, measurement needs to carry out on the ascending time slot or uplink band of cellular communication system；When D2D communications and cellular communication use respective independent resource, measurement resource is limited without this.
From above-described embodiment, signal and noise from other users equipment are measured in predetermined resource by user equipment, the processing such as D2D discoveries, RRM measurements, CSI measurements and Power Control can be carried out, different scene needs are thus met.Embodiment 2
A kind of signal channel quality measuring method of the embodiment of the present invention, is repeated no more applied to user equipment side identical content in base station side, with embodiment 1.
Fig. 8 is a flow chart of the signal channel quality measuring method of the embodiment of the present invention；As shown in figure 8, the signal channel quality measuring method includes：
Walk rapid 801, base station receives the measurement result that user equipment is sent, and the wherein measurement result is measured by user equipment in predetermined resource and obtained to signal and noise from other users equipment；
Walk rapid 802, is configured according to measurement result to user equipment.
In the specific implementation, predetermined resource can be：By base station side configuration or predetermined running time-frequency resource, reference symbol and one kind of spread spectrum code sequence or its combination.But the invention is not restricted to this, specific embodiment can be determined according to actual conditions.
User equipment is configured according to measurement result in , Walk rapid 802 in one embodiment, can specifically be included：D2D discovery processing is carried out to user equipment.It can be judged in base station side.
Specifically, base station may determine that whether measurement result is more than default threshold value；Also, when more than default threshold value, the discovery that D2D is carried out to user equipment is handled.
With entering a Walk, before user equipment is measured, base station can be user equipment and other users device configuration orthogonal resource.Thus, it is possible to obtain preferably Detection results.
User equipment is configured according to measurement result in , Walk rapid 802 in another embodiment, can specifically be included：Base station carries out D2D RRM using measurement result to user equipment.
Specifically, base station may determine that whether measurement result value is more than the channel quality value of predetermined threshold value or the cellular connection whether being more than between user equipment and base station；Judged result be more than when, to user equipment and other users equipment progress D2D be connected.
Specifically, base station may determine that whether measurement result value is less than the channel quality value of predetermined threshold value or the cellular connection whether being less than between user equipment and base station；Judged result be less than when, user equipment is switched to cellular connection from D2D connections.
User equipment is configured according to measurement result in , Walk rapid 802 in another embodiment, can specifically be included：Base station is adjusted according to measurement result to MCS grades or transmission mode used in D2D.
User equipment is configured according to measurement result in , Walk rapid 802 in another embodiment, can specifically be included：Base station carries out Power Control according to measurement result to user equipment.
From above-described embodiment, signal and noise from other users equipment are measured in predetermined resource by user equipment, the processing such as D2D discoveries, RRM measurements, CSI measurements and Power Control can be carried out, different scene needs are thus met.Embodiment 3
A kind of signal channel quality measuring method of the embodiment of the present invention, applied to base station side.Fig. 9 is a flow chart of the signal channel quality measuring method of the embodiment of the present invention；As shown in figure 9, the signal channel quality measuring method includes：
Walk rapid 901, base station is carried out in the present embodiment in predetermined resource to the signal from other base stations and noise, and the signal from other base stations can include：The member carrier used of adjacent base station, or blind Detecting member carrier.
In the present embodiment, this method can also include：Base station carries out the discovery of adjacent cell or the resource using information for obtaining adjacent cell according to the result of measurement or carries out RRM.
Specifically, using above-mentioned measurement, the discovery of cell can be served, the resource service condition of adjacent cell is obtained, in that case it can be decided that the RRM of this cell, including resource allocation and traffic offloading etc..
From above-described embodiment, signal and noise from other base stations are measured in predetermined resource by base station, the processing such as cell discovery, RRM measurements can be carried out, different scene needs are thus met.Embodiment 4
The embodiment of the present invention provides a kind of user equipment, and corresponding to the method for user equipment side in embodiment 1, identical content is repeated no more.
Figure 10 is a composition schematic diagram of the user equipment of the embodiment of the present invention.As shown in Figure 10, the user equipment 1000 includes measuring unit 1001 and reporting unit 1002.The other parts of user equipment 1000 may be referred to prior art, and here is omitted.
Wherein, measuring unit 1001 is measured in predetermined resource to signal and noise from other users equipment；The result of measurement is reported base station by reporting unit 1002.
Figure 11 is another composition schematic diagram of the user equipment of the embodiment of the present invention.As shown in figure 11,
The user equipment 1100 includes measuring unit 1001 and reporting unit 1002, as described above.
As shown in figure 11, the user equipment 1100 can also include：It was found that unit 1103, the discovery of device-to-device is carried out using the result of measurement.
In particular, it was found that unit 1103 can include：First judging unit and the first determining unit.First judging unit is used to judge whether measurement result value is more than default threshold value；First determining unit is used for when more than default threshold value, determines that other users equipment is located at nearby and realizes D2D and find.
Also, in the present embodiment, reporting unit 1002 can also will be seen that the D2D that unit 1103 is determined has found information reporting to base station.
In the present embodiment, the orthogonal resource that predetermined resource can configure for base station；Also, measuring unit 1001 can be measured according to orthogonal resource to signal and noise from other users equipment.
Figure 12 is another composition schematic diagram of the user equipment of the embodiment of the present invention.As shown in figure 12, the user equipment 1200 includes measuring unit 1001 and reporting unit 1002, as described above.
As shown in figure 12, the user equipment 1200 can also include：Administrative unit 1203, the channel quality of D2D connections is reflected using the result of measurement, to carry out D2D RRM.
Specifically, administrative unit 1203 can include：Second judging unit and the second determining unit；Wherein, the second judging unit is used for the channel quality value for judging the cellular connection whether measurement result value is more than between predetermined threshold value or user equipment and base station；Second determining unit be used for judged result be more than when, determine between user equipment and other users equipment carry out D2D connections.
Specifically, administrative unit 1203 can include：3rd judging unit and the 3rd determining unit；Wherein, the 3rd judging unit is used for the channel quality value for judging the cellular connection whether measurement result value is less than between predetermined threshold value or user equipment and base station；3rd determining unit be used for judged result be less than when, determine that user equipment is switched to cellular connection from D2D connections.
Also, the D2D link informations or handover information that in the present embodiment, reporting unit 1002 can also determine administrative unit 1203 report base station.
Figure 13 is another composition schematic diagram of the user equipment of the embodiment of the present invention.As shown in figure 13, the user equipment 1300 includes measuring unit 1001 and reporting unit 1002, as described above.
As shown in figure 13, the user equipment 1300 can also include：Adjustment unit 1303, MCS grades or the transmission mode used is adjusted according to the result of measurement, with the change of adaptive channel.
Figure 14 is another composition schematic diagram of the user equipment of the embodiment of the present invention.As shown in figure 14,
The user equipment 1400 includes measuring unit 1001 and reporting unit 1002, as described above.
As shown in figure 14, the user equipment 1400 can also include：Control unit 1403, Power Control is carried out according to the result of measurement.
It is worth noting that, Figure 11 to 14 illustrate only the situation for individually including findings that one of unit 1103, administrative unit 1203, adjustment unit 1303, control unit 1403, but the invention is not restricted to this, the various combinations of said units can also be included, specific constitute can be determined according to actual conditions.
From above-described embodiment, signal and noise from other users equipment are measured in predetermined resource by user equipment, the processing such as D2D discoveries, RRM measurements, CSI measurements and Power Control can be carried out, different scene needs are thus met.Embodiment 5
The embodiment of the present invention provides a kind of base station, and corresponding to the method for base station side in embodiment 2, identical content is repeated no more.
Figure 15 is a composition schematic diagram of the base station of the embodiment of the present invention.As shown in figure 15, the base station 1500 includes the dispensing unit 1502 of receiving unit 1501 and first.The other parts of base station 1500 may be referred to prior art, and here is omitted.
Wherein, receiving unit 1501 receives the measurement result that user equipment is sent, and wherein measurement result is measured by user equipment in predetermined resource and obtained to signal and noise from other users equipment；First dispensing unit 1502 is configured according to measurement result to user equipment.
In one embodiment, the first dispensing unit 1502 specifically can be used for：D2D discovery processing is carried out to user equipment.
Specifically, the first dispensing unit 1502 can include：4th judging unit and first processing units.4th judging unit is used to judge whether measurement result is more than default threshold value；First processing units are when more than default threshold value, and the discovery that D2D is carried out to user equipment is handled.
In the present embodiment, base station 1500 can also include：Second dispensing unit；For user equipment and other users device configuration orthogonal resource.So that user equipment is measured according to orthogonal resource to the signal of other users equipment.
In another embodiment, the first dispensing unit 1502 specifically can be used for：D2D RRM is carried out to user equipment using measurement result.
Specifically, the first dispensing unit 1502 can include：5th judging unit and second processing unit.Wherein, the 5th judging unit is used for the channel quality value for judging the cellular connection whether measurement result value is more than between predetermined threshold value or user equipment and base station；Second processing unit judged result be more than when, to user equipment and other users equipment progress D2D be connected.
Specifically, the first dispensing unit 1502 can include：6th judging unit and the 3rd processing unit.Wherein, the 6th judging unit is used for the channel quality value for judging the cellular connection whether measurement result value is less than between predetermined threshold value or user equipment and base station；3rd processing unit judged result be less than when, user equipment is switched to cellular connection from D2D connections.
In another embodiment, the first dispensing unit 1502 specifically can be used for：MCS grades or transmission mode used in D2D are adjusted according to measurement result.
In another embodiment, the first dispensing unit 1502 specifically can be used for：Power Control is carried out to user equipment according to measurement result.
From above-described embodiment, signal and noise from other users equipment are measured in predetermined resource by user equipment, the processing such as D2D discoveries, RRM measurements, CSI measurements and Power Control can be carried out, different scene needs are thus met.Embodiment 6
The embodiment of the present invention provides a kind of base station, and corresponding to the method for base station side in embodiment 3, identical content is repeated no more.
Figure 16 is a composition schematic diagram of the base station of the embodiment of the present invention.As shown in figure 16, the base station 1600 includes：Measuring unit 1601.The other parts of base station 1600 may be referred to prior art, and here is omitted.
Wherein, measuring unit 1601 is measured in predetermined resource to signal and noise from other base stations.
In the present embodiment, base station 1600 can also include：Processing unit, carries out the discovery of adjacent cell or the resource using information for obtaining adjacent cell according to the result of measurement or carries out RRM.
From above-described embodiment, signal and noise from other base stations are measured in predetermined resource by base station, the processing such as cell discovery, RRM measurements can be carried out, different scene needs are thus met.
The embodiment of the present invention also provides a kind of communication system, and the communication system includes user equipment as described in Example 4 and base station as described in Example 5；Or the communication system includes base station as described in Example 6.
The embodiment of the present invention also provides a kind of computer-readable program, wherein when performing described program in a user device, described program causes computer to perform the signal channel quality measuring method as described in example 1 above in the user.
The embodiment of the present invention also provides a kind of storage medium for the computer-readable program that is stored with, wherein the computer-readable program causes computer to perform the signal channel quality measuring method described in example 1 above in a user device.
The embodiment of the present invention also provides a kind of computer-readable program, wherein when performing described program in a base station, described program causes computer to perform the signal channel quality measuring method as described in example 2 above or 3 in the base station.
The embodiment of the present invention also provides a kind of storage medium for the computer-readable program that is stored with, wherein the computer-readable program causes computer to perform the signal channel quality measuring method described in example 2 above or 3 in a base station.
Apparatus and method more than of the invention can be realized by hardware, can also be realized by combination of hardware software.The present invention relates to such computer-readable program, when the program is performed by logical block, the logical block can be made to realize devices described above or component parts, or the logical block is realized that various side Fa Huo Walk described above are rapid.The invention further relates to the storage medium for storing procedure above, such as hard disk, disk, CD, DVD, flash memory.
For one or more combinations of one or more of function box described in accompanying drawing and/or function box, it is possible to achieve be general processor, the digital signal processor for performing function described herein（DSP), application specific integrated circuit（ASIC), field programmable gate array（) or other PLDs, discrete gate or transistor logic, discrete hardware components or it is any appropriately combined FPGA.One or more combinations of one or more of function box described for accompanying drawing and/or function box, it is also implemented as the combination of computing device, for example, the combination of DSP and microprocessor, multi-microprocessor, communicate with DSP the one or more microprocessors combined or any other this configuration.
Above in association with specific embodiment, invention has been described, it will be appreciated by those skilled in the art that these descriptions are all exemplary, it is not limiting the scope of the invention.
Those skilled in the art can make various variants and modifications to the present invention according to spirit and principles of the present invention, and these variants and modifications are also within the scope of the invention.
Claims (1)
- Claims1st, a kind of signal channel quality measuring method, the measuring method includes：User equipment is measured in predetermined resource to signal and noise from other users equipment；The result of measurement is reported to the base station serviced for the user equipment.2nd, according to the method described in claim 1, wherein, the predetermined resource is：By the one of which in base station side configuration or predetermined running time-frequency resource, reference symbol and spread spectrum code sequence or its combination.3rd, according to the method described in claim 1, wherein, signal and noise from other users equipment are measured and specifically included：The receiving power and thermal noise sum and the ratio of thermal noise or the jamming power of the signal or the jamming power of the signal and the ratio of thermal noise of receiving power or the receiving power of the signal and the ratio of thermal noise or the signal to the signal measure or the signal jamming power and the ratio of thermal noise sum and thermal noise.4th, the method according to any one of claims 1 to 3, wherein, methods described also includes：The user equipment carries out the discovery of device-to-device using the result of the measurement.5th, method according to claim 4, wherein, methods described includes：Judge whether measurement result value is more than default threshold value；When more than default threshold value, determine that the other users equipment is located at discovery that is neighbouring and realizing device-to-device.6th, method according to claim 5, wherein, the predetermined resource is the orthogonal resource that the base station is configured；Also, the user equipment is measured according to the orthogonal resource to signal and noise from other users equipment.7th, the method according to any one of claims 1 to 3, wherein, methods described also includes:The user equipment reflects the channel quality of device-to-device connection using the result of the measurement, to carry out the RRM of device-to-device communication.8th, method according to claim 7, wherein, methods described includes：Judge whether measurement result value is more than predetermined threshold value or the user equipment and the base station Between cellular connection channel quality value；Judged result be more than when, determine between the user equipment and the other users equipment carry out device-to-device connection.9th, method according to claim 7, wherein, methods described also includes：Judge the channel quality value for the cellular connection whether measurement result value is less than between predetermined threshold value or the user equipment and the base station；Judged result be less than when, determine the user equipment slave unit to equipment connect be switched to cellular connection.10th, the method according to any one of claims 1 to 3, wherein, methods described also includes：The user equipment adjusts Modulation and Coding Scheme grade or the transmission mode used according to the result of the measurement, with the change of adaptive channel.11st, the method according to any one of claims 1 to 3, wherein, methods described also includes：The user equipment carries out Power Control according to the result of the measurement.12nd, a kind of signal channel quality measuring method, the measuring method includes：Base station receives the measurement result that user equipment is sent, wherein the measurement result is measured by the user equipment in predetermined resource and obtained to signal and noise from other users equipment；The user equipment is configured according to the measurement result.13rd, method according to claim 12, wherein, the predetermined resource is：By the one of which in base station side configuration or predetermined running time-frequency resource, reference symbol and spread spectrum code sequence or its combination.14th, the method according to claim 12 or 13, wherein, configuration is carried out to the user equipment according to the measurement result and specifically included：The discovery processing of device-to-device is carried out to the user equipment15th, method according to claim 14, wherein, methods described also includes：Judge whether the measurement result is more than default threshold value；Also, the discovery for carrying out device-to-device to the user equipment when more than default threshold value is handled.16th, method according to claim 14, wherein, methods described also includes：The base station is the user equipment and the other users device configuration orthogonal resource. 17th, the method according to claim 12 or 13, wherein, configuration is carried out to the user equipment according to the measurement result and specifically included：The base station carries out the RRM of device-to-device communication using the measurement result to the user equipment.18th, method according to claim 17, wherein, methods described includes：Judge the channel quality value for the cellular connection whether measurement result value is more than between predetermined threshold value or the user equipment and the base station；Judged result be more than when, to the user equipment and the other users equipment progress device-to-device be connected.19th, method according to claim 17, wherein, methods described includes：Judge the channel quality value for the cellular connection whether measurement result value is less than between predetermined threshold value or the user equipment and the base station；Judged result be less than when, by the user equipment slave unit to equipment connect be switched to cellular connection.20th, the method according to claim 12 or 13, wherein, configuration is carried out to the user equipment according to the measurement result and specifically included：The base station is adjusted according to the measurement result to Modulation and Coding Scheme grade or transmission mode used in device-to-device communication.21st, the method according to claim 12 or 13, wherein, configuration is carried out to the user equipment according to the measurement result and specifically included：The base station carries out Power Control according to the measurement result to the user equipment.22nd, a kind of signal channel quality measuring method, the measuring method includes：Base station is measured in predetermined resource to signal and noise from other base stations.23 methods according to claim 22, wherein, the signal from other base stations includes：The member carrier used of adjacent base station, or blind Detecting member carrier.24th, the method according to claim 22 or 23, wherein, methods described also includes：The base station carries out the discovery of adjacent cell or the resource using information for obtaining adjacent cell according to the result of the measurement or carries out RRM.25th, a kind of user equipment, the user equipment includes：Measuring unit, is measured in predetermined resource to signal and noise from other users equipment；Reporting unit, base station is reported by the result of measurement. 26th, user equipment according to claim 25, wherein, the user equipment also includes:It was found that unit, the discovery of device-to-device is carried out using the result of the measurement.27th, user equipment according to claim 26, wherein, the discovery unit includes：First judging unit, judges whether measurement result value is more than default threshold value；First determining unit, when more than default threshold value, determines that the other users equipment is located at discovery that is neighbouring and realizing device-to-device.28th, user equipment according to claim 27, wherein, the predetermined resource is the orthogonal resource that the base station is configured；Also, the measuring unit is measured according to the orthogonal resource to signal and noise from other users equipment.29th, user equipment according to claim 25, wherein, the user equipment also includes:Administrative unit, the channel quality of device-to-device connection is reflected using the result of the measurement, to carry out the RRM of device-to-device communication.30th, user equipment according to claim 29, wherein, the administrative unit includes：Second judging unit, judges the channel quality value for the cellular connection whether measurement result value is more than between predetermined threshold value or the user equipment and the base station；Second determining unit, judged result be more than when, determine between the user equipment and the other users equipment carry out device-to-device connection.31st, user equipment according to claim 29, wherein, the administrative unit includes：3rd judging unit, judges the channel quality value for the cellular connection whether measurement result value is less than between predetermined threshold value or the user equipment and the base station；3rd determining unit, judged result be less than when, determine the user equipment slave unit to equipment connect be switched to cellular connection.32nd, user equipment according to claim 25, wherein, the user equipment also includes:Adjustment unit, Modulation and Coding Scheme grade or the transmission mode used is adjusted according to the result of the measurement, with the change of adaptive channel.33rd, user equipment according to claim 25, wherein, the user equipment also includes:Control unit, Power Control is carried out according to the result of the measurement.34th, a kind of base station, the base station includes：Receiving unit, receives the measurement result that user equipment is sent, wherein the measurement result is by institute User equipment is stated to measure signal and noise from other users equipment in predetermined resource and obtain；First dispensing unit, is configured according to the measurement result to the user equipment.35th, base station according to claim 34, wherein, first dispensing unit specifically for：The discovery processing of device-to-device is carried out to the user equipment.36th, base station according to claim 35, wherein, first dispensing unit includes：4th judging unit, judges whether the measurement result is more than default threshold value；First processing units, when more than default threshold value, the discovery that device-to-device is carried out to the user equipment is handled.37th, base station according to claim 36, wherein, the base station also includes：Second dispensing unit, is the user equipment and the other users device configuration orthogonal resource.38th, base station according to claim 34, wherein, first dispensing unit specifically for：The RRM of device-to-device communication is carried out to the user equipment using the measurement result.39th, the base station according to claim 38, wherein, first dispensing unit includes：5th judging unit, judges the channel quality value for the cellular connection whether measurement result value is more than between predetermined threshold value or the user equipment and the base station；Second processing unit, judged result be more than when, between the user equipment and the other users equipment carry out device-to-device connection.40th, the base station according to claim 38, wherein, first dispensing unit includes：6th judging unit, judges the channel quality value for the cellular connection whether measurement result value is less than between predetermined threshold value or the user equipment and the base station；3rd processing unit, judged result be less than when, by the user equipment slave unit to equipment connect be switched to cellular connection.41st, base station according to claim 34, wherein, first dispensing unit specifically for：Modulation and Coding Scheme grade or transmission mode used in device-to-device communication are adjusted according to the measurement result.42nd, base station according to claim 34, wherein, first dispensing unit specifically for：Power Control is carried out to the user equipment according to the measurement result.43rd, a kind of base station, the base station includes： Measuring unit, is carried out in predetermined resource to the signal from other base stations and noise44th, base station according to claim 43, wherein, the base station also includes：Processing unit, carries out the discovery of adjacent cell or the resource using information for obtaining adjacent cell according to the result of the measurement or carries out RRM.45th, a kind of communication system, the communication system includes the user equipment as described in any one of claim 25 to 33 and the base station as described in any one of claim 34 to 42；Or the communication system includes the base station as described in claim 43 or 44.46th, a kind of computer-readable program, wherein when performing described program in a user device, described program causes computer to perform the signal measurement method as any one of claim 1 to 11 in the user equipment.47th, a kind of storage medium for the computer-readable program that is stored with, wherein the computer-readable program causes computer to perform the signal measurement method as any one of claim 1 to 11 in a user device.48th, a kind of computer-readable program, wherein when performing described program in a base station, described program causes computer to perform the signal measurement method as any one of claim 12 to 24 in the base station.49th, a kind of storage medium for the computer-readable program that is stored with, wherein the computer-readable program causes computer to perform the signal as any one of claim 12 to 24 in a base station
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/070623 WO2014110766A1 (en) | 2013-01-17 | 2013-01-17 | Method for measuring channel quality, user equipment, and base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104854808A true CN104854808A (en) | 2015-08-19 |
Family
ID=51208951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380065241.8A Pending CN104854808A (en) | 2013-01-17 | 2013-01-17 | Method for measuring channel quality, user equipment, and base station |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104854808A (en) |
| WO (1) | WO2014110766A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188785A (en) * | 2006-11-15 | 2008-05-28 | 中兴通讯股份有限公司 | Method for adjusting broadcast/multicast service carrier |
| US20090325625A1 (en) * | 2008-06-03 | 2009-12-31 | Nokia Corporation | Method, apparatus and computer program for power control to mitigate interference |
| CN101835098A (en) * | 2010-03-26 | 2010-09-15 | 清华大学 | Dense user area-orientated wireless network reconstructed communication method |
| CN102647546A (en) * | 2012-04-26 | 2012-08-22 | 新奥特（北京）视频技术有限公司 | Method for realizing collection and edition of multi-channel signals |
| CN102647246A (en) * | 2011-02-22 | 2012-08-22 | 上海无线通信研究中心 | D2D (Dimension To Dimension) pair/D2D cluster communication building method |
-
2013
- 2013-01-17 CN CN201380065241.8A patent/CN104854808A/en active Pending
- 2013-01-17 WO PCT/CN2013/070623 patent/WO2014110766A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188785A (en) * | 2006-11-15 | 2008-05-28 | 中兴通讯股份有限公司 | Method for adjusting broadcast/multicast service carrier |
| US20090325625A1 (en) * | 2008-06-03 | 2009-12-31 | Nokia Corporation | Method, apparatus and computer program for power control to mitigate interference |
| CN101835098A (en) * | 2010-03-26 | 2010-09-15 | 清华大学 | Dense user area-orientated wireless network reconstructed communication method |
| CN102647246A (en) * | 2011-02-22 | 2012-08-22 | 上海无线通信研究中心 | D2D (Dimension To Dimension) pair/D2D cluster communication building method |
| CN102647546A (en) * | 2012-04-26 | 2012-08-22 | 新奥特（北京）视频技术有限公司 | Method for realizing collection and edition of multi-channel signals |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014110766A1 (en) | 2014-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11357015B2 (en) | Sidelink signal measurement and resource selection in vehicle-to-everything communications | |
| Zulhasnine et al. | Efficient resource allocation for device-to-device communication underlaying LTE network | |
| EP2409517B1 (en) | Association and resource partitioning in a wireless network with relays | |
| KR101908951B1 (en) | Method and apparatus for controlling transmission power in a d2d communication network | |
| Kang et al. | Sensing-based power adaptation for cellular V2X mode 4 | |
| JP2012521678A (en) | Adaptive resource partitioning in wireless communication networks | |
| JP4484960B1 (en) | Large cell base station and communication control method | |
| US10292109B2 (en) | Method for coordinating at least one first transmission from a single-point transmitter to a single-point receiver and at least one second transmission from a multipoint transmitter or to a multipoint receiver in a radio communication system, network node and mobile station thereof | |
| JP2016518038A (en) | Wireless communication method, wireless communication terminal device control method, wireless communication system, and wireless communication terminal device | |
| KR101902343B1 (en) | Network device and user device and methods thereof | |
| WO2015158370A1 (en) | Uplink based selection of downlink connectivity configuration | |
| Zhang et al. | Energy-efficient power and time-slot allocation for cellular-enabled machine type communications | |
| WO2011052665A1 (en) | Large-cell base station and communication control method | |
| CN104333909B (en) | Base stations in heterogeneous network selects and the dynamic time-domain resource distribution method based on load | |
| TWI531271B (en) | Methods of performing radio resource management, network node, mobile device, base station, and wireless communication system using the same methods | |
| Chang et al. | Adaptive cooperative communication for maximizing reliability and reward in ultra-dense small cells LTE-A toward 5G cellular networking | |
| US20150110018A1 (en) | Wireless Multi-Flow Communications in the Uplink | |
| Yang et al. | A novel load balancing scheme in LTE and WiFi coexisted network for OFDMA system | |
| KR20110105791A (en) | Methods and apparatus facilitating and/or making wireless resource reuse decisions | |
| US8744472B2 (en) | Method for reporting channel quality information and system thereof | |
| JP2008193340A (en) | Radio base station device, radio terminal device, wireless communication system, and channel quality indicator estimation method | |
| KR20150025871A (en) | Method and apparatus for resource allocation | |
| CN104854808A (en) | Method for measuring channel quality, user equipment, and base station | |
| CN105359592B (en) | Power control method, user equipment and communication system | |
| Abbas et al. | Combined resource allocation system for device-to-device communication towards LTE networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |
|
| WD01 | Invention patent application deemed withdrawn after publication |