CN103975621A - Method and device for reporting periodic channel status information - Google Patents

Method and device for reporting periodic channel status information Download PDF

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Publication number
CN103975621A
CN103975621A CN201280060882.XA CN201280060882A CN103975621A CN 103975621 A CN103975621 A CN 103975621A CN 201280060882 A CN201280060882 A CN 201280060882A CN 103975621 A CN103975621 A CN 103975621A
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channel
frame
descending sub
reporting
subframe
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徐海博
汪巍崴
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Fujitsu Ltd
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Fujitsu Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

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

Abstract

The present invention relates to the field of communications, and in particular, to a method and a device for reporting periodic channel status information (CSI). The method comprises: according to a parameter of a periodic CSI report, finding an uplink subframe reporting periodic CSI; searching for an effective downlink subframe of a CSI time domain reference resource corresponding to the uplink subframe reporting periodic CSI; if the effective downlink subframe, which is corresponding to the uplink subframe reporting periodic CSI and is used as a CSI time domain reference resource, is in an unscheduled period, stopping industrial scientific medical (ISM) uplink transmission on the effective downlink subframe used as the CSI time domain reference resource; by using the CSI time domain reference resource, performing computation to obtain the CSI reported by the uplink subframe. By means of the embodiments of the present invention, it can be avoided that an uplink signal of the ISM system interferes computation of the CSI.

Description

Method and device for reporting periodic channel status information
A kind of method and device of periodical channel state information report
Technical field
The present invention relates to the communications field, more particularly to a kind of method and device of periodical channel state information report.Background technology
In order to realize that user can be with ubiquitous access network, terminal device needs to install many set transceivers to access different networks.For example, terminal device can be provided with Long Term Evolution simultaneously（Long Term Evolution, LTE) system, industrial scientific medical (Industrial Scientific Medical, ISM) system is (such as WiFi, bluetooth BlueTooth）Transceiver.Because many set transceiver distances are very near in same terminal device, the power of a system transmitter may be far above the power of another system receiver.Fig. 1 gives the example of an interference co-existence in the prior art, as shown in Fig. 1, terminal device may include LTE system, gps system and bluetooth/WiFi system, and LTE system may produce interference to bluetooth/WiFi system, and bluetooth/WiFi system may also produce interference to LTE system.If the working band interval of different system is farther out, the control transmission signal docking collection of letters number interference caused can be very good by filtering technique.However, for some scenes, for example, when different system in same terminal device working frequency range closely when, current filtering technique, which is not enough to provide effective interference, to be avoided.
In order to avoid the mutual interference under above-mentioned scene, the signal of two different systems is sent using time-multiplexed mode in the prior art and signal is received and separated from the time.Under time division multiplexing mode, the timing definition that UE works in LTE system is dispatching cycle（Scheduling period), the timing definition that UE works in ISM systems is the non-scheduled cycle（unscheduled period).Within dispatching cycle, report that UE needs reporting status information of channel according to base station for the periodical channel state information of its configuration（Channel status information, CSI).In order to obtain the value of channel condition information, UE needs to measure the public reference signal of descending sub frame（) or channel state information reference signals CRS（CSI-RS) .In LTE system, respectively from frequency domain, time domain and spatial domain define CSI reference resources for the measurement for the channel quality information for instructing UE.The CSI reported for the n moment, from time domain angle, its CSI reference resources is defined as descending sub frame n- nCQLref.For cycle CSI, nCQI- ^ is to meet descending sub frame n- nrai— refFor the minimum value for being more than or equal to 4 of effective descending sub frame.For a descending sub frame, its condition for being considered as effective descending sub frame is：（1) subframe be configured as descending sub frame also,（2) subframe be not MBSFN sub-frame also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7,680 7；(wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.
Based on the definition of current CSI time domain references resource, when UE is from after being transferred to dispatching cycle in the non-scheduled cycle, it may appear that following situation：According to the cycle CSI that base station is its configuration, UE needs to report CSI in sub-frame of uplink n, and its CSI reference resources is descending sub frame n-neQI― rei.If UE is in n-neQI— reiISM uplink has been carried out, LTE descending sub frame can have been interfered, therefore, the value that obtained CSI is calculated according to the reference resources is inaccurate.After base station receives the value, the scheduling downlink resource that its can be influenceed follow-up. 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 embodiments of the invention provide a kind of method and device of periodical channel state information report, for solving interference problem of the ISM system uplinks transmission to channel condition information time domain reference resource in the prior art.
The embodiments of the invention provide a kind of terminal device periodical channel state information method for reporting, this method includes, and the sub-frame of uplink of report cycle channel condition information is determined according to the parameter of periodic channel status information reporting；Find as the report cycle channel condition information sub-frame of uplink channel condition information time domain reference resource descending sub frame (the n- n for meeting effective descending sub frame first conditionCQI—ref) wherein n be report cycle channel condition information sub-frame of uplink,QI- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQI_ref) minimum value of first condition is met, wherein T is the maximum delay that terminal device handles Physical Downlink Control Channel；
If the descending sub frame is within the non-scheduled cycle, stop the transmitting uplink data in industrial scientific medical system in the descending sub frame, so that the descending sub frame meets the second condition of effective descending sub frame；
Using the descending sub frame as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.The embodiment of the present invention additionally provides a kind of terminal device periodical channel state information method for reporting, and this method includes, and the sub-frame of uplink of report cycle channel condition information is determined according to the parameter of periodic channel status information reporting；Find as the report cycle channel condition information sub-frame of uplink channel condition information time domain reference resource effective descending sub frame n-nrai― rei, and second condition only must also be met when descending sub frame meets first condition while just constitute effective descending sub frame, the second condition is the descending sub frame within dispatching cycle；Wherein n is the sub-frame of uplink of report cycle channel condition information, nrai- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQI_ref) while meeting the minimum value of first condition and second condition；
By the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
The embodiment of the present invention additionally provides a kind of base station control terminal equipment and carries out periodical channel state information method for reporting, and this method includes,
The reporting source of channel state information for whether requiring the terminal device reporting status information of channel to terminal equipment configuration indicates parameter.
The embodiment of the present invention additionally provides a kind of terminal device for carrying out periodical channel state information report, and the terminal device includes,
Determining unit, the sub-frame of uplink for determining report cycle channel condition information according to the parameter of periodic channel status information reporting；
Find unit, descending sub frame (the n- n for meeting effective descending sub frame first condition for finding the channel condition information time domain reference resource as the sub-frame of uplink of the report cycle channel condition informationCQI—ref) wherein n be report cycle channel condition information sub-frame of uplink,refBe worth for span [T, it is just infinite）Inside make subframe（n- nCQI_ref) meet first The minimum value of part, wherein τ are the maximum delay that terminal device handles Physical Downlink Control Channel；
Judging unit, for judging the descending sub frame whether within the non-scheduled cycle；
Stop element, for when the judging unit judges that the descending sub frame is within the non-scheduled cycle, stop the transmitting uplink data in industrial scientific medical system in the descending sub frame, so that the descending sub frame meets the second condition of effective descending sub frame；
Reporting unit, using the descending sub frame as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
The embodiment of the present invention additionally provides a kind of terminal device for carrying out periodical channel state information report, and the equipment includes, determining unit, the sub-frame of uplink for determining report cycle channel condition information according to the configuration parameter of periodic channel status information reporting；
Find unit, effective descending sub frame n-n for finding the channel condition information time domain reference resource as the sub-frame of uplink of the report cycle channel condition informationeQI― ref, and second condition only must also be met when descending sub frame meets first condition while just constitute effective descending sub frame, the second condition is the descending sub frame within dispatching cycle；Wherein n is the sub-frame of uplink of report cycle channel condition information, neQI- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQI_ref) while meeting the minimum value of first condition and second condition；
Computing unit, for by the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
The embodiment of the present invention additionally provides a kind of base station of control terminal device periodically channel status information reports, and the base station includes：
Dispensing unit, for whether requiring that the reporting source of channel state information of the terminal device reporting status information of channel indicates parameter to terminal equipment configuration.
The embodiment of the present invention additionally provides a kind of computer-readable program, wherein when performing the program in terminal device, the program causes computer to perform above-mentioned periodical channel state information method for reporting in the terminal device.
The embodiment of the present invention additionally provides a kind of storage medium for the computer-readable program that is stored with, and the wherein computer-readable program causes computer to perform above-mentioned periodical channel state information method for reporting in the terminal device.
The embodiment of the present invention additionally provides a kind of computer-readable program, wherein when performing the program in a base station, the program causes computer to perform above-mentioned base station control terminal device periodically channel status information reports method in the base station.
The embodiment of the present invention additionally provides a kind of storage medium for the computer-readable program that is stored with, and the wherein computer-readable program causes computer to perform above-mentioned base station control terminal device periodically channel status information reports method in a base station.
The beneficial effect of the embodiment of the present invention is, can avoid ISM system uplinks signal to calculating the interference that CSI is caused, it is ensured that the reliability of follow-up scheduling of resource.
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. It should be emphasized that term " include/include " refers to the presence of feature, one integral piece, step or component when being used herein, but it is not precluded from the presence or additional of one or more further features, one integral piece, step or component.Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, does not constitute limitation of the invention.In the accompanying drawings：
Fig. 1 gives the example of an interference co-existence in the prior art；
Fig. 2 show a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention one；Fig. 3 show a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention two；Fig. 4 show a kind of flow chart of base station control terminal equipment progress periodical channel state information method for reporting of the embodiment of the present invention three；
Fig. 5 show a kind of structural representation of the terminal device of carry out periodical channel state information report of the embodiment of the present invention four；
Fig. 6 show a kind of structural representation of the terminal device of carry out periodical channel state information report of the embodiment of the present invention five；
Fig. 7 show a kind of architecture of base station schematic diagram of control terminal equipment progress periodical channel state information report of the embodiment of the present invention six；
Fig. 8 show a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention seven；Fig. 9 a show the schematic diagram for being used to solve the TDM pattern of LTE system and ISM system interference coexistence problems that base station of the embodiment of the present invention configures for UE；
Fig. 9 b show the schematic diagram for being used to solve the TDM pattern of LTE system and ISM system interference coexistence problems that base station of the embodiment of the present invention configures for UE；
Figure 10 show a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention eight；Figure 11 show a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention nine；Figure 12 show a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention ten；It is the schematic diagram for being used to solve the T DM pattern of LTE system and ISM system interference coexistence problems that UE is configured that Figure 13, which show the present invention to implement base station,；
Figure 14 show a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention 11；
It is being used for of configuring of UE to solve LTE system and ISM system interference coexistence problems that Figure 15 a, which show the present invention to implement base station,
TDM pattern schematic diagram；
It is the schematic diagram for being used to solve the TDM pattern of LTE system and ISM system interference coexistence problems that UE is configured that Figure 15 b, which show the present invention to implement base station,；
It is the schematic diagram for being used to solve the TDM pattern of LTE system and ISM system interference coexistence problems that UE is configured that Figure 15 c, which show the present invention to implement base station,. Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.Here, the schematic description and description of the present invention is used to explain the present invention, but it is not as a limitation of the invention.
Embodiment one
It is illustrated in figure 2 a kind of terminal device of the embodiment of the present invention（UE) the flow chart of periodical channel state information method for reporting.
The method comprising the steps of 201, according to periodic channel status information（CSI) configuration parameter, such as CSI report cycles and deviant, determine the sub-frame of uplink n of report cycle channel condition information.
Step 202, find as the report cycle channel condition information sub-frame of uplink channel condition information time domain reference resource the descending sub frame (n- n) for meeting effective descending sub frame first condition.Wherein n is the sub-frame of uplink of report cycle channel condition information, neQI- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQLref) minimum value of first condition is met, wherein T is the maximum delay that terminal device handles Physical Downlink Control Channel.
Step 203, if descending sub frame（n- nCQLref) within the non-scheduled cycle, then in the descending sub frame（n_ nCQI_ref) interior stopping industrial scientific medical（ISM) the transmitting uplink data in system, so that the descending sub frame（n- nCQI— rei) meet the second condition of effective descending sub frame.
In the step 203, according to the Long Term Evolution received（LTE) system and industrial scientific medical（ISM) the time distribution information of system（TDM pattern) judge the descending sub frame n_ neQIWhether-^ is within the non-scheduled cycle.
Step 204, using the descending sub frame as the channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.Wherein, reporting status information of channel refers to the channel condition information reported using sub-frame of uplink n described in the channel condition information time domain reference Resource Calculation（CSI) value, the channel state information values are corresponding with channel quality index value, send corresponding channel quality index value（CQIindex) .
In above-mentioned steps 202, meet the descending sub frame of effective descending sub frame first condition in searching（n- nrai― ref) when, the first condition of effective descending sub frame is：
(1) subframe be configured as descending sub frame also,（2) subframe is not Multicast Broadcast Single Frequency Network（MBSFN) subframe also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7680（Wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.
The second condition is：If the descending sub frame is within the non-scheduled cycle, the user equipment in the descending sub frame（UE) without the transmitting uplink data for carrying out ISM systems.
Wherein described step 203 also includes, if the descending sub frame is within the non-scheduled cycle, then cancellation step 204, that is, cancel the channel condition information reported using sub-frame of uplink n described in the descending sub frame as the channel condition information time domain reference Resource Calculation（CSI) value, and cancel in the corresponding channel quality index value of sub-frame of uplink transmission.
Wherein described step 203 also includes, if the descending sub frame is within the non-scheduled cycle, sends specific channel quality index value in the sub-frame of uplink, such as specific channel quality index value can be 0, to notify base station as channel shape The descending sub frame of state information time domain reference resource is within the non-scheduled cycle.
By above-described embodiment, ISM system uplinks signal can be avoided to calculating the interference that CSI is caused, it is ensured that the reliability of follow-up scheduling of resource.Embodiment two
It is illustrated in figure 3 a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention.The method comprising the steps of 301, and according to the configuration parameter of periodic channel status information reporting, such as CSI report cycles and deviant determine the sub-frame of uplink n of report cycle channel condition information.
Step 302, find as the report cycle channel condition information sub-frame of uplink n channel condition information time domain reference resource effective descending sub frame（n-nOT— ref), and second condition only must also be met when descending sub frame meets first condition while just constitute effective descending sub frame, the second condition is the descending sub frame within dispatching cycle.Wherein n is the sub-frame of uplink of report cycle channel condition information, neQI- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQI_ref) while meeting the minimum value of first condition and second condition.
Step 303, the effective descending sub frame searched out is utilized（n-nOT- as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel, i.e. the channel condition information reported using sub-frame of uplink n described in the channel condition information time domain reference Resource Calculation（CSI) value, the channel state information values are corresponding with channel quality index value, send corresponding channel quality index value（CQIindex) .
In the step 302, effective descending sub frame of the channel condition information time domain reference resource is being found（n-nrai― ref) when, the first condition is：
(1) subframe be configured as descending sub frame also,（2) subframe is not Multicast Broadcast Single Frequency Network（MBSFN) subframe also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7680 _ rs(wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.
In above-mentioned steps, distribute information according to the time of the long evolving system and industrial scientific medical system that receive and determine the descending sub frame whether within dispatching cycle.
Also include after above-mentioned steps 301, obtain reporting source of channel state information and indicate parameter (csi-report-indication)；
Indicate that parameter is determined the need in the sub-frame of uplink reporting status information of channel according to the reporting source of channel state information；If the reporting source of channel state information indicates parameter to need in the sub-frame of uplink reporting status information of channel, step 302 and 303 is performed;
Need not be in the sub-frame of uplink reporting status information of channel if the reporting source of channel state information instruction parameter is, cancellation step 302 and 303 cancels reporting status information of channel.
The acquisition reporting source of channel state information indicates parameter（Csi-r prints ort-indication) time division multiplexing that base station works simultaneously for the terminal equipment configuration for LTE system and ISM systems can be received in terminal device（Obtained when TDM). The acquisition reporting source of channel state information indicates parameter（Csi-report-indication) can also be the system and business for judging to coexist in terminal device, the reporting source of channel state information that the system and business coexisted according to the terminal device is determined indicates parameter, when being given the correct time on needs, the channel condition information time domain reference Resource Calculation channel condition information is utilized in step 303, and corresponding channel quality index value is sent in the sub-frame of uplink n；Otherwise cancel by the use of the effective descending sub frame searched out as channel condition information time domain reference resource and send corresponding channel quality index value in the sub-frame of uplink.
As further embodiment of the present invention, when under VoIP (BT VoIP) business coexisting state that terminal device is in Long Term Evolution and Bluetooth system, it is necessary to carry out reporting source of channel state information；When terminal device is in the multimedia of Long Term Evolution and Bluetooth system（BT multimedia) business coexists, or Long Term Evolution and WLAN（WLAN) under coexistence of systems state, it is not necessary to carry out reporting source of channel state information.
The acquisition reporting source of channel state information indicates that parameter refers to, obtains maximum magnitude ^^-^ of effective descending sub frame, and according to whether can arrive subframe (n-n in subframe (n-T)OT— maSearched out between J meet effective descending sub frame first condition and second condition effective descending sub frame determine reporting source of channel state information indicate parameter：
If arriving subframe (n-n in subframe (n-T)rai― maThe effective descending sub frame for meeting effective descending sub frame first condition and second condition is searched out between J, it is determined that reporting source of channel state information indicates parameter to need to carry out reporting source of channel state information；Otherwise, it is determined that reporting source of channel state information indicates parameter to carry out reporting source of channel state information.
In the step 302, according to the Long Term Evolution received（LTE) system and industrial scientific medical（ISM) the time distribution information of system（TDM pattern) in descending sub frame（N_T subframe (n-n) is arrivedeQI— rei max) between find and meet the effective descending sub frame of effective descending sub frame first condition and second condition.
Pass through above-described embodiment, ISM system uplinks signal can be avoided to calculating the interference that CSI is caused, ensure the reliability of follow-up scheduling of resource, channel condition information time domain reference resource when can prevent from calculating CSI further through the configuration of the maximum of effective descending sub frame too early, causes the problem of CSI result of calculations are inaccurate.Embodiment three
It is illustrated in figure 4 the flow chart that a kind of base station control terminal equipment of the embodiment of the present invention carries out periodical channel state information method for reporting.
The method comprising the steps of 401, and the reporting source of channel state information for whether requiring the terminal device reporting status information of channel to terminal equipment configuration indicates parameter.The reporting source of channel state information indicates that parameter includes indicating whether to need the parameter of terminal device reporting status information of channel；Or, it is the maximum magnitude of effective descending sub frame.
The reporting source of channel state information indicates that parameter can the reporting source of channel state information indicates parameter to terminal equipment configuration simultaneously when being used for the LTE and ISM TDM modes of work simultaneously for terminal equipment configuration.Example IV
It is illustrated in figure 5 a kind of structural representation for the terminal device for carrying out periodical channel state information report of the embodiment of the present invention.
The terminal device includes, determining unit 501, finds unit 502, judging unit 503, stop element 504, reporting unit 505. The determining unit 501, for according to periodic channel status information（CSI) the configuration parameter of report, such as CSI report cycles and deviant determine the sub-frame of uplink n of report cycle channel condition information.
The searching unit 502, descending sub frame (the n- n for meeting effective descending sub frame first condition for finding the channel condition information time domain reference resource as the sub-frame of uplink of the report cycle channel condition informationCQI—ref) ；Wherein n is the sub-frame of uplink of report cycle channel condition information, neQI- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQI_ref) minimum value of first condition is met, wherein T is the maximum delay that terminal device handles Physical Downlink Control Channel, for example, can take 4;The judging unit 503, for judging the descending sub frame whether within the non-scheduled cycle；
Stop element 504, for when the judging unit judges that the descending sub frame is within the non-scheduled cycle, stop the transmitting uplink data in industrial scientific medical system in the descending sub frame, so that the descending sub frame meets the second condition of effective descending sub frame；
Reporting unit 505, using the descending sub frame as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
The unit 502 of finding finds the descending sub frame for meeting effective descending sub frame first condition（n- nrai― rei) when, the first condition of effective descending sub frame is：：
(1) subframe be configured as descending sub frame also,（2) subframe is not Multicast Broadcast Single Frequency Network（MBSFN) subframe also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7680（Wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.
The second condition of effective descending sub frame is：If the descending sub frame is within the non-scheduled cycle, the user equipment in the descending sub frame（UE) without the transmitting uplink data for carrying out ISM systems.
The judging unit 503 is always according to the Long Term Evolution received（LTE) system and industrial scientific medical（ISM) the time distribution information of system（TDM pattern) judge descending sub frame whether within the non-scheduled cycle.
The reporting unit 505 according to the judged result of the judging unit 503, if when the descending sub frame n- n-refWhen within the non-scheduled cycle, the reporting unit 505 is cancelled in the sub-frame of uplink reporting status information of channel；Or the reporting unit 505 reports specific channel quality index value in the sub-frame of uplink.
By above-described embodiment, ISM system uplinks signal can be avoided to calculating the interference that CSI is caused, it is ensured that the reliability of follow-up scheduling of resource.Embodiment five
It is illustrated in figure 6 a kind of structural representation for the terminal device for carrying out periodical channel state information report of the embodiment of the present invention.
The terminal device includes, determining unit 601, finds unit 602, computing unit 603.
The determining unit 601, for the configuration parameter according to periodic channel status information reporting, such as CSI report cycles and deviant determine the sub-frame of uplink n of report cycle channel condition information.
The searching unit 602, the channel status for finding the sub-frame of uplink as the report cycle channel condition information Effective descending sub frame n-n of information time domain reference resourceeQI― rei, and second condition only must also be met when descending sub frame meets first condition while just constitute effective descending sub frame, the second condition is the descending sub frame within dispatching cycle；Wherein n is the sub-frame of uplink of report cycle channel condition information, neQI- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQLref) while meeting the minimum value of first condition and second condition.
The computing unit 603, for by the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
It is described to find effective descending sub frame that unit 602 finds the corresponding channel condition information time domain reference resources of sub-frame of uplink n of the report cycle channel condition information（n-neQI― ref) when, the first condition of effective descending sub frame is：
(1) subframe be configured as descending sub frame also,（2) subframe is not Multicast Broadcast Single Frequency Network（MBSFN) subframe also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7680（Wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.
Also include acquiring unit 604, parameter is indicated for obtaining reporting source of channel state information；
Indicate that parameter is determined the need in the sub-frame of uplink reporting status information of channel according to the reporting source of channel state information；If the reporting source of channel state information indicates parameter to need in the sub-frame of uplink reporting status information of channel, notify to find effective descending sub frame n-n that unit 602 finds the channel condition information time domain reference resource as the sub-frame of uplink of the report cycle channel condition informationeQI― reiAnd only must also meet second condition while descending sub frame meets first condition just constitutes effective descending sub frame, the second condition be the descending sub frame within dispatching cycle, and notify computing unit 603 by the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel；
Need not be in the sub-frame of uplink reporting status information of channel if the reporting source of channel state information instruction parameter is, then notify that finding unit 602 cancels the effective descending sub frame for the channel condition information time domain reference resource for finding the sub-frame of uplink as the report cycle channel condition information, and notify computing unit 603 to cancel by the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
The acquiring unit 604 indicates parameter from base station for the reporting source of channel state information of the terminal equipment configuration.
The reporting source of channel state information that the system and business that the acquiring unit 604 coexists according to the terminal device are determined indicates parameter.When under the VoIP business coexisting states that terminal device is in Long Term Evolution and Bluetooth system, it is determined that reporting source of channel state information indicates parameter to need to carry out reporting source of channel state information；When the multimedia service that terminal device is in Long Term Evolution and Bluetooth system coexists, or under Long Term Evolution and wireless local area network (WLAN) system coexisting state, it is determined that reporting source of channel state information indicates parameter to carry out reporting source of channel state information.
The acquiring unit 604 obtains the maximum magnitude n of effective descending sub frameeQI— refAnd according to whether subframe (n-n can be arrived in subframe (n-T)eQI—ref- ware) between search out meet effective descending sub frame first condition and second condition effective descending sub frame determine reporting source of channel state information indicate parameter：
If arriving subframe (n-n in subframe (n-T)rai— rei- ware) between search out the effective descending sub frame for meeting effective descending sub frame first condition and second condition, it is determined that reporting source of channel state information indicate parameter for need carry out reporting source of channel state information； Otherwise, it is determined that reporting source of channel state information indicates parameter to carry out reporting source of channel state information.
Pass through above-described embodiment, ISM system uplinks signal can be avoided to calculating the interference that CSI is caused, ensure the reliability of follow-up scheduling of resource, channel condition information time domain reference resource when can prevent from calculating CSI further through the configuration of the maximum of effective descending sub frame too early, causes the problem of CSI result of calculations are inaccurate.Embodiment six
It is illustrated in figure 7 the architecture of base station schematic diagram that a kind of control terminal equipment of the embodiment of the present invention carries out periodical channel state information report.
The base station includes dispensing unit 701, for whether requiring that the reporting source of channel state information of the terminal device reporting status information of channel indicates parameter to terminal equipment configuration.
The reporting source of channel state information indicates that parameter includes, and indicates whether to need the parameter of terminal device reporting status information of channel；Or, it is the maximum magnitude of effective descending sub frame.
Embodiment seven
It is illustrated in figure 8 a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention.Including step 801, terminal device（UE it is) CSI report cycles and deviant in the cycle CSI report parameter of its configuration according to base station, judges to need the sub-frame of uplink n report cycles CSI in dispatching cycle in advance.
Step 802, UE further searches out descending sub frame according to the first condition of effective descending sub frame（n- nOT— ref).Wherein, it is described to judge whether a subframe is that the first condition of effective descending sub frame is：（1) subframe be configured as descending sub frame also,（2) subframe is not Multicast Broadcast Single Frequency Network（MBSFN) subframe also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7680（Wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.Wherein, nOT- ^ value be span [4, it is just infinite）Inside make subframe n- nCQI— reiThe minimum value of first condition is met, 4 in span are the maximum delay that terminal device handles Physical Downlink Control Channel in this example.
Step 803, UE further distributes information according to base station for the time for being used to solve the problems, such as interference co-existence between LTE system and ISM systems of its configuration（TDM pattern) judge the descending sub frame（n_ nrai― ref) whether within the non-scheduled cycle.If not within the non-scheduled cycle, performing step 805;Need to perform step 804 if within the non-scheduled cycle so that the descending sub frame（n- nCQLref) meet the effective descending sub frame of second condition composition, i.e.,：If the descending sub frame is within the non-scheduled cycle, the user equipment in the descending sub frame（UE) without the uplink for carrying out ISM.
Step 804, UE is in descending sub frame（n- nCQI_ref) the interior transmitting uplink data for stopping ISM systems, with the descending sub frame (n- nCQLref) as CSI time domain reference resources, report the corresponding channel quality index value of CSI values (CQI index) in the sub-frame of uplink n.
Step 805, during the UE CSI that computationally row subframe n is reported, with effective descending sub frame（n- nm—ref) as CSI time domain reference resources, report the corresponding channel quality index value of CSI values in the sub-frame of uplink n（CQI index) . It is the schematic diagram for being used to solve the TDM pattern of LTE system and ISM system interference coexistence problems that base station of the embodiment of the present invention is UE configurations as shown in figures 9 a and 9b.Wherein it is the CSI report cycle in the cycle CSI report parameter that UE is configured and deviant according to base station, it is determined that the sub-frame of uplink n in LTE dispatching cycles is the subframe for reporting CSI.
As illustrated in fig. 9, subframe（N-4), subframe（) and subframe n_5（N_6 first condition) is unsatisfactory for, such as described three subframes are three subframes in the measurement period that base station is UE configurations, or three subframes are the sub-frame of uplink that base station is UE configurations, and subframe（N-7 first condition) is met.So meet first condition, and the descending sub frame nearest apart from descending sub frame n-4 is subframe（n-7) .Therefore during the UE CSI that computationally row subframe n is reported, with descending sub frame（N_ 7) report the corresponding CQI indexo of CSI values as shown in figure 9b as CSI time domain reference Resource Calculations CSI value, and in the sub-frame of uplink n, subframe（N-4) meet first condition and the subframe is within the non-scheduled cycle.Therefore UE needs further to make the descending sub frame meet second condition：The user equipment in the descending sub frame（UE) without the uplink for carrying out ISM.To meet this condition, UE is in descending sub frame (n- nm—ref) the interior transmitting uplink data for being automatically stopped ISM systems.During the UE CSI that computationally row subframe n is reported, with descending sub frame（N- 4) report CQI indexo embodiments eight corresponding with CSI values as CSI time domain reference Resource Calculations CSI value, and in the sub-frame of uplink n
It is a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention as shown in Figure 10.Including step 1001, terminal device（UE it is) CSI report cycles and deviant in the cycle CSI report parameter of its configuration according to base station, judges to need the sub-frame of uplink n report cycles CSI in dispatching cycle in advance.
Step 1002, UE further searches out descending sub frame according to the first condition of effective descending sub frame（n- nCQLref) .Wherein, it is described to judge whether a subframe is that the first condition of effective descending sub frame is：（1) subframe be configured as descending sub frame also,（2) subframe is not Multicast Broadcast Single Frequency Network（MBSFN) subframe also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7680（Wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.Wherein, neQI— refBe worth for span [4, it is just infinite）Inside make subframe n- nrai— refThe minimum value of first condition is met, 4 in span are the maximum delay that terminal device handles Physical Downlink Control Channel in this example.
Step 1003, UE further distributes information according to base station for the time for being used to solve the problems, such as interference co-existence between LTE system and ISM systems of its configuration（TDM pattern) judge the descending sub frame（n_ nrai― ref) whether within the non-scheduled cycle.If not within the non-scheduled cycle, performing step 1005;Step 1004 is performed if within the non-scheduled cycle.
Step 1004, UE cancels the sub-frame of uplink n reporting status information of channel in the report cycle channel condition information, you can send channel quality index value with the sub-frame of uplink n cancelled in the report cycle channel condition information；Or can also cancel and utilize descending sub frame（n- n —ref) as CSI time domain reference Resource Calculations CSI value the step of, while cancel the report cycle channel condition information sub-frame of uplink n send channel quality index value.
Step 1005, UE the report cycle channel condition information sub-frame of uplink n reporting status information of channel, during the UE CSI that computationally row subframe n is reported, with effective descending sub frame（n- nCQLref) report the corresponding CQI indexo of CSI values as CSI time domain reference Resource Calculations CSI value, and in the sub-frame of uplink n It is the schematic diagram for being used to solve the TDM pattern of LTE system and ISM system interference coexistence problems that base station of the embodiment of the present invention is UE configurations as shown in figures 9 a and 9b.Wherein it is the CSI report cycle in the cycle CSI report parameter that UE is configured and deviant according to base station, it is determined that the sub-frame of uplink n in LTE dispatching cycles is the subframe for reporting CSI.
As illustrated in fig. 9, subframe（N-4), subframe（) and subframe n_5（N_6 first condition) is unsatisfactory for, such as described three subframes are three subframes in the measurement period that base station is UE configurations, or three subframes are the sub-frame of uplink that base station is UE configurations, and subframe（N-7 first condition) is met.So meet first condition, and the descending sub frame nearest apart from descending sub frame n-4 is subframe（n-7).Therefore during the UE CSI values that computationally row subframe n is reported, with descending sub frame（N_ 7) report the corresponding CQI indexo of CSI values as shown in figure 9b as CSI time domain reference Resource Calculations CSI value, and in the sub-frame of uplink n, subframe（N-4) meet first condition and the subframe is within the non-scheduled cycle.Therefore UE cancels sends channel quality index value in the sub-frame of uplink n of the report cycle channel condition information.Embodiment nine
It is a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention as shown in figure 11.Including step 1101, terminal device（UE it is) CSI report cycles and deviant in the cycle CSI report parameter of its configuration according to base station, judges to need the sub-frame of uplink n report cycles CSI in dispatching cycle in advance.
Step 1102, UE further searches out descending sub frame according to the first condition of effective descending sub frame（n- nCQLref) .Wherein, it is described to judge whether a subframe is that the first condition of effective descending sub frame is：（1) subframe be configured as descending sub frame also,（2) subframe is not Multicast Broadcast Single Frequency Network（MBSFN) subframe also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7680（Wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.Wherein, neQI— refBe worth for span [4, it is just infinite）Inside make subframe n- nrai— reiThe minimum value of first condition is met, 4 in span are the maximum delay that terminal device handles Physical Downlink Control Channel in this example.
Step 1103, UE further distributes information according to base station for the time for being used to solve the problems, such as interference co-existence between LTE system and ISM systems of its configuration（TDM pattern) judge the descending sub frame（n_ nrai― ref) whether within the non-scheduled cycle.If not within the non-scheduled cycle, performing step 1105;Step 1104 is performed if within the non-scheduled cycle.
Step 1104, UE sends channel quality index value " 0 " in the sub-frame of uplink n of the report cycle channel condition information, and the channel quality index value, which is represented, notifies base station as the descending sub frame of channel condition information time domain reference resource within the non-scheduled cycle.
Step 1105, UE the report cycle channel condition information sub-frame of uplink n reporting status information of channel, during the UE CSI that computationally row subframe n is reported, with effective descending sub frame（n- nCQLref) report the corresponding CQI indexo of CSI values as CSI time domain reference Resource Calculations CSI value, and in the sub-frame of uplink n
It is the schematic diagram for being used to solve the TDM pattern of LTE system and ISM system interference coexistence problems that base station of the embodiment of the present invention is UE configurations as shown in figures 9 a and 9b.Wherein it is the CSI report cycle in the cycle CSI report parameter that UE is configured and deviant according to base station, it is determined that the sub-frame of uplink n in LTE dispatching cycles is the subframe for reporting CSI.
As illustrated in fig. 9, subframe（N-4), subframe（) and subframe n_5（N_6) be unsatisfactory for first condition, such as it is described Three subframes are three subframes in the measurement period that base station is UE configurations, or three subframes are the sub-frame of uplink that base station is UE configurations, and subframe（N-7 first condition) is met.So meet first condition, and the descending sub frame nearest apart from descending sub frame n-4 is subframe（n-7) .Therefore during the UE CSI that computationally row subframe n is reported, with descending sub frame（N_ 7) report the corresponding CQI indexo of CSI values as shown in figure 9b as CSI time domain reference Resource Calculations CSI value, and in the sub-frame of uplink n, subframe（N-4) meet first condition and the subframe is within the non-scheduled cycle.Therefore UE sends channel quality index value " 0 " in the sub-frame of uplink n of the report cycle channel condition information.
Embodiment ten
It is a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention as shown in figure 12.Including step 1201, terminal device（UE it is) CSI report cycles and deviant in the cycle CSI report parameter of its configuration according to base station, judges to need the sub-frame of uplink n report cycles CSI in dispatching cycle in advance.
Step 1202, UE obtains reporting source of channel state information instruction parameter by base station for what it was configured when being used to solve the TDM modes of LTE and ISM system interference coexistence problems（Csi-report-indication), whether be known that using the instruction parameter UE and base station needs some subframe reporting status information of channel within dispatching cycle.
Or, in the present embodiment, UE and base station can also determine that reporting source of channel state information indicates parameter according to the system and business coexisted in UE, such as when UE is in Long Term Evolution（LTE, it is necessary to reporting status information of channel) and during Bluetooth system VoIP (BT VoIP) business coexisting state；When UE is in Long Term Evolution（) and during Bluetooth system multimedia (BT multimedia) business coexisting state, or Long Term Evolution LTE（) and WLAN LTE（WLAN) during coexisting state, not reporting status information of channel.
Step 1203, judge that the reporting source of channel state information indicates parameter（Csi-report-indication) whether require reporting status information of channel, if it is desired, then into step 1204, otherwise into step 1206.
Step 1204, the effective descending sub frame for meeting first condition and second condition is found（n-nrai― ref) .Effective descending sub frame is the subframe of the corresponding channel condition information time domain reference resources of sub-frame of uplink n as the report cycle channel condition information.Wherein, nOT- ^ value be span [4, it is just infinite）Inside make subframe n-reiThe minimum value of first condition and second condition is met simultaneously, and 4 in span are the maximum delay that terminal device handles Physical Downlink Control Channel in this example.
Wherein, whether judge a subframe is that the first condition of effective descending sub frame is：
(1) subframe be configured as descending sub frame also,（2) subframe is not Multicast Broadcast Single Frequency Network（MBSFN) subframe also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7680_rs(wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.
Whether judge a descending sub frame is that the second condition of effective descending sub frame is：
The descending sub frame is not within the non-scheduled cycle.
Step 1205, UE utilizes the effective descending sub frame (n-n searched out in the sub-frame of uplink n reporting status information of channel of the report cycle channel condition informationm—ref) as described in channel condition information time domain reference Resource Calculation on sub-frame of uplink n The CSI values of report, and report the corresponding CQI indexo of CSI values in the sub-frame of uplink n
Step 1206, UE cancels the sub-frame of uplink n reporting status information of channel in the report cycle channel condition information, i.e. UE can cancel sends channel quality index value in the sub-frame of uplink n of the report cycle channel condition information；Or can also cancel and utilize descending sub frame（n- nCQLref) as CSI time domain reference Resource Calculations CSI value the step of, while cancel the report cycle channel condition information sub-frame of uplink n send channel quality index value.
It is the schematic diagram for being used to solve the TDM pattern of LTE system and ISM system interference coexistence problems that the present invention implements that base station is UE configurations as shown in figure 13.Wherein it is report cycle and the deviant of CSI in the cycle CSI report parameter that UE is configured according to base station, is the subframe for reporting CSI in the sub-frame of uplink n of LTE dispatching cycles.Assuming that descending sub frame（N-4 it is) to meet the descending sub frame of above-mentioned first condition.Therefore according to the definition of existing CSI time domain references resource, its time domain reference resources is descending sub frame（N-4), and the descending sub frame is within the non-scheduled cycle.Therefore UE needs to indicate parameter according to reporting source of channel state information（Csi-report-indication) judge whether to need report cycle channel condition information in sub-frame of uplink n.If csi-report-indication indicates that UE is needed in sub-frame of uplink n reporting status information of channel, then UE needs to find the time domain reference resource for being used as the cycle CSI that sub-frame of uplink n is reported apart from the subframe n-4 subframes that first condition and second condition are met while nearest.Assuming that descending sub frame（N-7 it is) apart from subframe（N-4 the descending sub frame of first condition and second condition is met while) recently, then UE utilizes descending sub frame（N-7) the CSI values reported as sub-frame of uplink n described in channel condition information time domain reference Resource Calculation, and report the corresponding channel quality index value of CSI values in the sub-frame of uplink n.If csi-report-indication indicates that UE need not be in sub-frame of uplink n report cycle channel condition informations, then UE cancels the sub-frame of uplink n reporting status information of channel in the report cycle channel condition information.Embodiment ^ mono-
It is a kind of flow chart of terminal device periodical channel state information method for reporting of the embodiment of the present invention as shown in figure 14.Including step 1401, terminal device（UE it is) CSI report cycles and deviant in the cycle CSI report parameter of its configuration according to base station, judges to need the sub-frame of uplink n report cycles CSI in dispatching cycle in advance.
Step 1402, the maximum magnitude n that base station is effective descending sub frame that UE is configured is obtainedeQI— ref— max。
Step 1403, UE is judged in descending sub frame according to the first condition and second condition that are used to solve the effective descending sub frames of TDM patteru of LTE and ISM system interference coexistence problems of the base station for its configuration（N-4 descending sub frame) is arrived（n-nrai— ref-) between (including subframe n-4 and subframe n-nOT— rei max) whether can search out while meeting the effective descending sub frame for being used as channel condition information time domain reference resource of first condition and second condition.If effective descending sub frame can be found, into step 1404, otherwise into step 1405.
Wherein, whether judge a subframe is that the first condition of effective descending sub frame is：
(1) subframe be configured as descending sub frame also,（2) subframe is not Multicast Broadcast Single Frequency Network（MBSFN) subframe also,（If 3) descending pilot frequency time slot（DwPTS length) is less than or equal to 7680（Wherein Ts is Elementary Time Unit, and its length was 1/ (15000*2048) second）, the subframe do not include DwPTS also,（4) subframe not in measurement interval also,（5) for cycle CSI, if UE is configured with CSI subframe collection, the subframe belongs to the subframe collection associated of the CSI with reporting.
Whether judge a descending sub frame is that the second condition of effective descending sub frame is： The descending sub frame is not within the non-scheduled cycle.
Step 1404, UE is in the sub-frame of uplink n reporting status information of channel of the report cycle channel condition information, i.e. UE will meet effective descending sub frame of first condition and second condition（n- neQI— rei) as the time domain reference resource of the sub-frame of uplink n periodic channel status informations reported, CSI value is calculated, and in the sub-frame of uplink n reporting channel quality index values of the report cycle channel condition information.Wherein, value is to make descending sub frame n_ while meeting the minimum value of first condition and second condition in span [4 ,], and 4 in span are the maximum delay that terminal device handles Physical Downlink Control Channel in this example.
Step 1405, UE cancels the sub-frame of uplink n reporting status information of channel in the report cycle channel condition information, i.e. UE can cancel sends channel quality index value in the sub-frame of uplink n of the report cycle channel condition information；Or can also cancel and utilize descending sub frame（n- nCQLref) as CSI time domain reference Resource Calculations CSI value the step of, while cancel the report cycle channel condition information sub-frame of uplink n send channel quality index value.
It is the schematic diagram for being used to solve the TDM pattern of LTE system and ISM system interference coexistence problems that UE is configured as Figure 15 a, Figure 15 b and Figure 15 c show the present invention to implement base station.Wherein according to base station be UE configure cycle CSI report parameter in CSI the report cycle and deviant, it is assumed that base station configuration effective descending sub frame maximum magnitudeQI— ref— max=8, therefore UE needs the searching between subframe [n-4, n-8] while meeting effective descending sub frame of first condition and second condition.
As shown in fig. 15 a, subframe（N-4), subframe（) and subframe n_5（N_6 first condition) is met, but is unsatisfactory for second condition.Subframe（) and subframe n-7（N-8) while meeting first condition and second condition, then UE selects subframe（N_7) as the time domain reference resource of the sub-frame of uplink n periodic channel status informations reported, and in sub-frame of uplink n report cycle channel condition informations.
As illustrated in fig. 15b, subframe（N-4), subframe（) and subframe n-5（N_6 first condition) is met, but is unsatisfactory for second condition.Subframe（) and subframe n-7（N-8 second condition) is met, but is unsatisfactory for first condition, such as subframe（) and subframe n_7（N-8) be base station be the UE configuration measurement period in two subframes, or described two subframes be base station be the UE configuration sub-frame of uplink.So UE can not be found between subframe [n-4, n-8] while meeting effective descending sub frame of first condition and second condition.Therefore UE cancels sends channel condition information in the sub-frame of uplink n of the report cycle channel condition information.
If shown in 15c, the length in non-scheduled cycle is 50ms, and all descending sub frames between subframe [n-4, n-8] are all unsatisfactory for second condition.So UE can not be found between subframe [n-4, n-8] while meeting effective descending sub frame of first condition and second condition.Therefore UE cancels sends channel condition information in the sub-frame of uplink n of the report cycle channel condition information.Embodiment 12
The embodiment of the present invention additionally provides a kind of computer-readable program, wherein when performing the program in terminal device, the program causes computer to perform above-mentioned periodical channel state information method for reporting in the terminal device.
The embodiment of the present invention additionally provides a kind of storage medium for the computer-readable program that is stored with, and the wherein computer-readable program causes computer to perform above-mentioned periodical channel state information method for reporting in the terminal device.
The embodiment of the present invention additionally provides a kind of computer-readable program, wherein when performing the program in a base station, the program causes computer to perform above-mentioned base station control terminal device periodically channel status information reports method in the base station. The embodiment of the present invention additionally provides a kind of storage medium for the computer-readable program that is stored with, and the wherein computer-readable program causes computer to perform above-mentioned base station control terminal device periodically channel status information reports method in a base station.
ISM system uplinks signal can be avoided to calculating the interference that CSI is caused by the embodiment of apparatus of the present invention, ensure the reliability of follow-up scheduling of resource, channel condition information time domain reference resource when can prevent from calculating CSI further through the configuration of the maximum of effective descending sub frame too early, causes the problem of CSI result of calculations are inaccurate.
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 various methods or step described above.Logical block is such as the processor used in field programmable logic part, microprocessor, computer.The invention further relates to the storage medium for storing procedure above, such as hard disk, disk, CD, DVD, flash memory.
Particular embodiments described above; the purpose of the present invention, technical scheme and beneficial effect are further described; it should be understood that; it the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in the scope of the protection.

Claims (34)

  1. Claims
    1. a kind of terminal device periodical channel state information method for reporting, this method includes,
    The sub-frame of uplink of report cycle channel condition information is determined according to the parameter of periodic channel status information reporting；Find as the report cycle channel condition information sub-frame of uplink channel condition information time domain reference resource descending sub frame (the n- n for meeting effective descending sub frame first conditionCQI—ref) wherein n be report cycle channel condition information sub-frame of uplink, nrai- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQI_ref) minimum value of first condition is met, wherein T is the maximum delay that terminal device handles Physical Downlink Control Channel；
    If the descending sub frame is within the non-scheduled cycle, stop the transmitting uplink data in industrial scientific medical system in the descending sub frame, so that the descending sub frame meets the second condition of effective descending sub frame；
    Using the descending sub frame as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
    2. according to the method described in claim 1, wherein, the first condition of effective descending sub frame is：The subframe be configured as descending sub frame and；The subframe be not Multicast Broadcast Single Frequency Network subframe and；If the length of descending pilot frequency time slot be less than or equal to 7680 _ 7, wherein Ts be Elementary Time Unit, its length be 1/ (15000*2048) second, the subframe do not include descending pilot frequency time slot and；The subframe not in measurement interval and；For periodic channel status information, if terminal equipment configuration channel condition information subframe collection, the subframe belongs to the subframe collection associated of the channel condition information with reporting.
    3. method according to claim 2, wherein, the second condition of effective descending sub frame is：If the descending sub frame is within the non-scheduled cycle, terminal device does not carry out industrial scientific medical system uplink data transfer in the descending sub frame.
    4. according to the method described in claim 1, wherein, if the descending sub frame is within the non-scheduled cycle, cancel using the descending sub frame as the channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
    5. according to the method described in claim 1, wherein, if the descending sub frame is within the non-scheduled cycle, specific channel quality index value is reported in the sub-frame of uplink.
    6. according to the method described in claim 1, wherein, according to the time of the long evolving system and industrial scientific medical system that receive distribute information determine the descending sub frame whether within the non-scheduled cycle.
    7. a kind of terminal device periodical channel state information method for reporting, this method includes,
    The sub-frame of uplink of report cycle channel condition information is determined according to the parameter of periodic channel status information reporting；Find as the report cycle channel condition information sub-frame of uplink channel condition information time domain reference resource effective descending sub frame n-nrai― rei, and second condition only must also be met when descending sub frame meets first condition while just constitute effective descending sub frame, the second condition is the descending sub frame within dispatching cycle；Wherein n is the sub-frame of uplink of report cycle channel condition information, nrai- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQI_ref) while meeting the minimum value of first condition and second condition, wherein T is the maximum delay that terminal device handles Physical Downlink Control Channel；
    By the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
    8. method according to claim 7, wherein, the first condition of effective descending sub frame is：The subframe by with Be set to descending sub frame and；The subframe be not Multicast Broadcast Single Frequency Network subframe and；If the length of descending pilot frequency time slot be less than or equal to 7680 _ 7, wherein Ts be Elementary Time Unit, its length be 1/ (15000*2048) second, the subframe do not include descending pilot frequency time slot and；The subframe not in measurement interval and；For periodic channel status information, if terminal equipment configuration channel condition information subframe collection, the subframe belongs to the subframe collection associated of the channel condition information with reporting.
    9. method according to claim 7, wherein determining the descending sub frame whether within dispatching cycle according to the time distribution information of the long evolving system and industrial scientific medical system that receive.
    10. method according to claim 7, wherein, also include after the sub-frame of uplink of report cycle channel condition information is determined according to the parameter of periodic channel status information reporting,
    Obtain reporting source of channel state information and indicate parameter；
    Indicate that parameter is determined the need in the sub-frame of uplink reporting status information of channel according to the reporting source of channel state information；If the reporting source of channel state information indicates that parameter, to need in the sub-frame of uplink reporting status information of channel, finds effective descending sub frame n-n of the channel condition information time domain reference resource as the sub-frame of uplink of the report cycle channel condition informationeQI— refAnd only must also meet second condition while descending sub frame meets first condition just constitutes effective descending sub frame, the second condition be the descending sub frame within dispatching cycle, and by the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel；
    Need not be in the sub-frame of uplink reporting status information of channel if the reporting source of channel state information instruction parameter is, then cancel the effective descending sub frame for the channel condition information time domain reference resource for finding the sub-frame of uplink as the report cycle channel condition information, and cancel by the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
    11. method according to claim 10, wherein, the reporting source of channel state information that obtains indicates that parameter refers to that terminal device obtains base station and indicates parameter for the reporting source of channel state information of its configuration.
    12. method according to claim 10, wherein, the reporting source of channel state information that obtains indicates that parameter refers to the reporting source of channel state information instruction parameter that the system and business that are coexisted according to the terminal device are determined.
    13. method according to claim 12, wherein, when under the VoIP business coexisting states that terminal device is in Long Term Evolution and Bluetooth system, it is determined that reporting source of channel state information indicates parameter to need to carry out reporting source of channel state information；When the multimedia service that terminal device is in Long Term Evolution and Bluetooth system coexists, or under Long Term Evolution and wireless local area network (WLAN) system coexisting state, it is determined that reporting source of channel state information indicates parameter to carry out reporting source of channel state information.
    14. method according to claim 10, wherein, the acquisition reporting source of channel state information indicates that parameter refers to, obtains the maximum magnitude n of effective descending sub frameeQI— refAnd according to whether subframe (n-n can be arrived in subframe (n-T)eQI— refBetween search out meet effective descending sub frame first condition and second condition effective descending sub frame determine reporting source of channel state information indicate parameter：
    If arriving subframe (n-n in subframe (n-T)eQI— refWare) between search out the effective descending sub frame for meeting effective descending sub frame first condition and second condition, it is determined that reporting source of channel state information indicate parameter for need carry out reporting source of channel state information；Otherwise, it is determined that reporting source of channel state information indicates parameter to carry out reporting source of channel state information.
    15. a kind of base station control terminal equipment carries out periodical channel state information method for reporting, this method includes, and the reporting source of channel state information for whether requiring the terminal device reporting status information of channel to terminal equipment configuration indicates ginseng Number.
    16. method according to claim 15, wherein, the reporting source of channel state information indicates that parameter includes, and indicates whether to need the parameter of terminal device reporting status information of channel；Or, it is the maximum magnitude of effective descending sub frame.
    17. a kind of terminal device for carrying out periodical channel state information report, the terminal device includes,
    Determining unit, the sub-frame of uplink for determining report cycle channel condition information according to the parameter of periodic channel status information reporting；
    Find unit, descending sub frame (the n- n for meeting effective descending sub frame first condition for finding the channel condition information time domain reference resource as the sub-frame of uplink of the report cycle channel condition informationCQI—ref) wherein n be report cycle channel condition information sub-frame of uplink, nOT― reiBe worth for span [T, it is just infinite）Inside make subframe（n- nCQI_ref) minimum value of first condition is met, wherein τ is the maximum delay that terminal device handles Physical Downlink Control Channel；
    Judging unit, for judging the descending sub frame whether within the non-scheduled cycle；
    Stop element, for when the judging unit judges that the descending sub frame is within the non-scheduled cycle, stop the transmitting uplink data in industrial scientific medical system in the descending sub frame, so that the descending sub frame meets the second condition of effective descending sub frame；
    Reporting unit, using the descending sub frame as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
    18. terminal device according to claim 17, wherein, the first condition of effective descending sub frame is：The subframe be configured as descending sub frame and；The subframe be not Multicast Broadcast Single Frequency Network subframe and；If the length of descending pilot frequency time slot is less than or equal to 7,680 7；, wherein Ts be Elementary Time Unit, its length be 1/ (15000*2048) second, the subframe do not include descending pilot frequency time slot and；The subframe not in measurement interval and；For periodic channel status information, if terminal equipment configuration channel condition information subframe collection, the subframe belongs to the subframe collection associated of the channel condition information with reporting.
    19. terminal device according to claim 17, wherein, the second condition of effective descending sub frame is：If the descending sub frame is within the non-scheduled cycle, terminal device does not carry out the transmitting uplink data of industrial scientific medical system in the descending sub frame.
    20. terminal device according to claim 17, wherein, when the judging unit judges the descending sub frame n- nCQI— reiWhen within the non-scheduled cycle, the reporting unit is cancelled in the sub-frame of uplink reporting status information of channel.
    21. terminal device according to claim 17, wherein, when the judging unit judges the descending sub frame n- nCQI— refWhen within the non-scheduled cycle, the reporting unit reports specific channel quality index value in the sub-frame of uplink.
    22. a kind of terminal device for carrying out periodical channel state information report, the terminal device includes：
    Determining unit, the sub-frame of uplink for determining report cycle channel condition information according to the configuration parameter of periodic channel status information reporting；
    Find unit, effective descending sub frame n-n for finding the channel condition information time domain reference resource as the sub-frame of uplink of the report cycle channel condition informationeQI― ref, and second condition only must also be met when descending sub frame meets first condition while just constitute effective descending sub frame, the second condition is the descending sub frame within dispatching cycle；Wherein n is the sub-frame of uplink of report cycle channel condition information, neQI- ^ value be span [T, it is just infinite）Inside make subframe（n- nCQI_ref) while meeting the minimum value of first condition and second condition, wherein T is the maximum delay that terminal device handles Physical Downlink Control Channel； Computing unit, for by the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
    23. terminal device according to claim 22, wherein, the first condition of effective descending sub frame is：The subframe be configured as descending sub frame and；The subframe be not Multicast Broadcast Single Frequency Network subframe and；If the length of descending pilot frequency time slot is less than or equal to 7,680 7；, wherein Ts be Elementary Time Unit, its length be 1/ (15000*2048) second, the subframe do not include descending pilot frequency time slot and；The subframe not in measurement interval and；For periodic channel status information, if terminal equipment configuration channel condition information subframe collection, the subframe belongs to the subframe collection associated of the channel condition information with reporting.
    24. terminal device according to claim 22, wherein, in addition to acquiring unit, indicate parameter for obtaining reporting source of channel state information；
    Indicate that parameter is determined the need in the sub-frame of uplink reporting status information of channel according to the reporting source of channel state information；If the reporting source of channel state information indicates parameter to need in the sub-frame of uplink reporting status information of channel, searching unit is notified to find effective descending sub frame n-n of the channel condition information time domain reference resource of the sub-frame of uplink as the report cycle channel condition informationeQI— refAnd only must also meet second condition while descending sub frame meets first condition just constitutes effective descending sub frame, the second condition be the descending sub frame within dispatching cycle, and notify computing unit by the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel；Need not be in the sub-frame of uplink reporting status information of channel if the reporting source of channel state information instruction parameter is, then notify that finding unit cancels the effective descending sub frame for the channel condition information time domain reference resource for finding the sub-frame of uplink as the report cycle channel condition information, and notify computing unit to cancel by the use of the effective descending sub frame searched out as channel condition information time domain reference resource in the sub-frame of uplink reporting status information of channel.
    25. terminal device according to claim 24, wherein, the acquiring unit obtains base station and indicates parameter for the reporting source of channel state information of the terminal equipment configuration.
    26. terminal device according to claim 24, wherein, the system and business that the acquiring unit coexists according to the terminal device determine that reporting source of channel state information indicates parameter.
    27. terminal device according to claim 26, wherein, the acquiring unit is when under the VoIP business coexisting states that terminal device is in Long Term Evolution and Bluetooth system, it is determined that reporting source of channel state information indicates parameter to need to carry out reporting source of channel state information；When the multimedia service that terminal device is in Long Term Evolution and Bluetooth system coexists, or under Long Term Evolution and wireless local area network (WLAN) system coexisting state, it is determined that reporting source of channel state information indicates parameter to carry out reporting source of channel state information.
    28. terminal device according to claim 24, wherein, the acquiring unit obtains the maximum magnitude n of effective descending sub frameeQI— refAnd according to whether can subframe (n-T) to subframe (n-neQI— refWare) between search out meet effective descending sub frame first condition and second condition effective descending sub frame determine reporting source of channel state information indicate parameter：
    If arriving subframe (n-n in subframe (n-T)eQI— refWare) between search out the effective descending sub frame for meeting effective descending sub frame first condition and second condition, it is determined that reporting source of channel state information indicate parameter for need carry out reporting source of channel state information；Otherwise, it is determined that reporting source of channel state information indicates parameter to carry out reporting source of channel state information.
    29. the base station of-kind of control terminal device periodically channel status information reports, the base station includes：
    Dispensing unit, for whether requiring that the channel status of the terminal device reporting status information of channel is believed to terminal equipment configuration Breath reports instruction parameter.
    30. base station according to claim 29, wherein, the reporting source of channel state information indicates that parameter includes, and indicates whether to need the parameter of terminal device reporting status information of channel；Or, it is the maximum magnitude of effective descending sub frame.
    31.-kind of computer-readable program, wherein when performing the program in terminal device, the program causes computer to perform the periodical channel state information method for reporting in the claims 1-14 any one in the terminal device.
    32. a kind of storage medium for the computer-readable program that is stored with, the wherein computer-readable program cause computer to perform the periodical channel state information method for reporting in the claims 1-14 any one in the terminal device.
    33.-kind of computer-readable program, wherein when performing the program in a base station, the program causes computer to perform the base station control terminal device periodically channel status information reports method of any one in the claims 15-16 in the base station.
    34. a kind of storage medium for the computer-readable program that is stored with, the wherein computer-readable program cause computer to perform the base station control terminal device periodically channel status information reports method of any one in the claims 15-16 in a base station.
CN201280060882.XA 2012-03-26 2012-03-26 Method and device for reporting periodic channel status information Pending CN103975621A (en)

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