WO2013143054A1 - 一种周期性信道状态信息报告的方法及装置 - Google Patents

一种周期性信道状态信息报告的方法及装置 Download PDF

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Publication number
WO2013143054A1
WO2013143054A1 PCT/CN2012/073039 CN2012073039W WO2013143054A1 WO 2013143054 A1 WO2013143054 A1 WO 2013143054A1 CN 2012073039 W CN2012073039 W CN 2012073039W WO 2013143054 A1 WO2013143054 A1 WO 2013143054A1
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WIPO (PCT)
Prior art keywords
state information
subframe
channel state
downlink subframe
terminal device
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PCT/CN2012/073039
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English (en)
French (fr)
Inventor
徐海博
汪巍崴
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富士通株式会社
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Publication date
Application filed by 富士通株式会社 filed Critical 富士通株式会社
Priority to PCT/CN2012/073039 priority Critical patent/WO2013143054A1/zh
Priority to CN201280060882.XA priority patent/CN103975621A/zh
Publication of WO2013143054A1 publication Critical patent/WO2013143054A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and apparatus for reporting periodic channel state information. Background technique
  • a terminal device In order to realize that the user can access the network ubiquitously, the terminal device needs to install multiple sets of transceivers to access different networks.
  • a terminal device can be installed with a Long Term Evolution (LTE) system, a transceiver of an Industrial Scientific Medical (ISM) system (such as WiFi, Bluetooth BlueTooth, etc.). Since multiple transceivers in the same terminal device are very close together, the power of one system transmitter may be much higher than the power of another system receiver.
  • Figure 1 shows an example of interference coexistence in the prior art.
  • the terminal device may include an LTE system, a GPS system, and a Bluetooth/WiFi system.
  • the LTE system may interfere with the Bluetooth/WiFi system, Bluetooth/WiFi.
  • the system may also cause interference to the LTE system. If the working frequency bands of different systems are far apart, the filtering technology can well control the interference of the transmitted signals on the received signals. However, for some scenarios, for example, when the operating bands of different systems within the same terminal device are very close, current filtering techniques are not sufficient to provide effective interference avoidance.
  • the prior art uses time division multiplexing to separate the signal transmission and signal reception of two different systems from time.
  • the time in which the UE works in the LTE system is defined as a scheduling period
  • the time in which the UE works in the ISM system is defined as an unscheduled period.
  • the scheduling period according to the periodic channel state information report configured by the base station, the UE needs to report channel status information (CSI).
  • CSI channel status information
  • the UE needs to measure a common reference signal (CRS) or a channel state information reference signal (CSI-RS) of the downlink subframe.
  • CRS common reference signal
  • CSI-RS channel state information reference signal
  • reference resources of the CSI are defined from the frequency domain, the time domain, and the air domain, respectively, to guide measurement of channel quality information of the UE.
  • its CSI reference resource is defined as the downlink subframe n- n CQLref .
  • n CQI — ⁇ is the minimum value that satisfies the downlink subframe n- n rai — ref is a valid downlink subframe greater than or equal to 4.
  • the condition that it is regarded as a valid downlink subframe is: (1) the subframe is configured as a downlink subframe and (2) the subframe is not an MBSFN subframe and (3) if the downlink is The length of the frequency slot (DwPTS) is less than or equal to 7680 ⁇ 7; (where Ts is the basic time unit, its length is 1 / (15000 * 2048) seconds), the subframe does not contain DwPTS and, (4) the subframe is not Within the measurement interval and, (5)
  • DwPTS frequency slot
  • Ts is the basic time unit, its length is 1 / (15000 * 2048) seconds
  • the UE needs to report the CSI in the uplink subframe n, and its CSI reference resource.
  • the downlink subframe nn eQI ⁇ rei . If the UE nn eQI - was the ISM REI uplink transmission, the LTE downlink subframe will cause interference, therefore, according to the value of the reference resource CSI calculated inaccurate.
  • the base station receives the value, it will affect its subsequent downlink resource scheduling.
  • the embodiment of the invention provides a method and a device for reporting periodic channel state information, which are used to solve the interference problem of the uplink transmission of the ISM system to the time domain reference resource of the channel state information in the prior art.
  • An embodiment of the present invention provides a method for reporting a periodic channel state information of a terminal device, where the method includes: determining, according to a parameter reported by the periodic channel state information, an uplink subframe reporting periodic channel state information; searching for channel state information as the reporting period
  • the channel state information of the uplink subframe of the time domain reference resource conforms to the first condition of the effective downlink subframe (n-n CQI — ref ), where n is the uplink subframe of the periodic channel state information, QI ⁇ ⁇ value in the range [T, + infinity) so that the inner subframe (n- n CQI _ ref) the minimum value satisfying a first condition, wherein the terminal device T is the maximum delay of processing of the physical downlink control channel;
  • the downlink subframe is in a non-scheduling period, stopping uplink data transmission in the industrial science medical system in the downlink subframe, so that the downlink subframe satisfies the second condition of the valid downlink subframe;
  • the embodiment of the present invention further provides a method for reporting a periodic channel state information of a terminal device, where the method includes: determining, according to a parameter reported by the periodic channel state information, an uplink subframe reporting periodic channel state information; searching for a channel state as the reporting period
  • the channel state information of the uplink subframe of the information refers to the valid downlink subframe nn rai ⁇ rei of the resource, and only needs to satisfy the second condition when the downlink subframe satisfies the first condition to form a valid downlink subframe.
  • the second condition is that the downlink subframe is in a scheduling period; where n is an uplink subframe in which periodic channel state information is reported, and a value of n rai ⁇ ⁇ is in a range of values [T, positive infinity) to make a subframe (n- n CQI _ ref ) simultaneously satisfying the minimum values of the first condition and the second condition;
  • the channel state information is reported in the uplink subframe by using the found valid downlink subframe as the channel state information time domain reference resource.
  • An embodiment of the present invention further provides a method for a base station to control a terminal device to perform periodic channel state information reporting, where the method includes
  • the terminal device is configured to report whether the terminal device reports the channel state information of the channel state information to report the parameter.
  • An embodiment of the present invention further provides a terminal device that performs periodic channel state information reporting, where the terminal device includes
  • a determining unit configured to determine, according to a parameter reported by the periodic channel state information, an uplink subframe that reports periodic channel state information
  • a searching unit configured to search for a downlink subframe (n-n CQI — ref ) of the first condition of the valid downlink subframe of the channel state information of the uplink subframe of the uplink subframe as the reporting periodic channel state information, where n is of the sub-frame (n- n CQI _ ref) reports an uplink sub-frame period of the channel state information, ref value in the range [T, + infinity) satisfies the first The minimum value of the device, where ⁇ is the maximum delay of the terminal device processing the physical downlink control channel;
  • a determining unit configured to determine whether the downlink subframe is in a non-scheduling period
  • a stopping unit configured to stop uplink data transmission in the industrial science medical system in the downlink subframe when the determining unit determines that the downlink subframe is in a non-scheduling period, so that the downlink subframe satisfies a second condition of a valid downlink subframe;
  • the reporting unit reports the channel state information in the uplink subframe by using the downlink subframe as a channel state information time domain reference resource.
  • the embodiment of the present invention further provides a terminal device that performs periodic channel state information reporting, where the device includes: a determining unit, configured to determine, according to a configuration parameter reported by the periodic channel state information, an uplink subframe that reports periodic channel state information;
  • a searching unit configured to search for a valid downlink subframe nn eQI ⁇ ref of the channel state information of the channel state information of the uplink subframe as the reporting periodic channel state information, and only when the downlink subframe satisfies the first condition
  • the second condition is required to form a valid downlink subframe, and the second condition is that the downlink subframe is in a scheduling period; where n is an uplink subframe in which periodic channel state information is reported, and the value of n eQI — ⁇ is a value range. of the sub-frame [T, + infinity) within the (n- n CQI _ ref) while satisfying the minimum of the first and second conditions;
  • a calculating unit configured to report the channel state information in the uplink subframe by using the found valid downlink subframe as the channel state information time domain reference resource.
  • An embodiment of the present invention further provides a base station that controls periodic channel state information reporting of a terminal device, where the base station includes:
  • a configuration unit configured to configure, by the terminal device, a channel state information reporting parameter indicating whether the terminal device reports channel state information.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in the terminal device, the program causes the computer to execute the periodic channel state information reporting method in the terminal device.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the periodic channel state information reporting method in the terminal device.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a base station, the program causes the computer to execute the base station control terminal device periodic channel state information reporting method in the base station.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the base station control terminal device periodic channel state information reporting method in the base station.
  • the beneficial effects of the embodiments of the present invention are that the interference caused by the uplink signal of the ISM system to calculate the CSI can be avoided, and the reliability of the subsequent resource scheduling is guaranteed.
  • Figure 1 shows an example of interference coexistence in the prior art
  • FIG. 2 is a flowchart of a method for reporting periodic channel state information of a terminal device according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of a method for reporting periodic channel state information of a terminal device according to Embodiment 2 of the present invention
  • FIG. 4 is a flowchart of a method for reporting periodic channel state information by a base station controlling terminal device according to Embodiment 3 of the present invention
  • FIG. 5 is a schematic structural diagram of a terminal device for reporting periodic channel state information according to Embodiment 4 of the present invention.
  • FIG. 6 is a schematic structural diagram of a terminal device for reporting periodic channel state information according to Embodiment 5 of the present invention.
  • FIG. 7 is a schematic structural diagram of a base station for controlling periodic device status information reporting by a terminal device according to Embodiment 6 of the present invention.
  • FIG. 8 is a flowchart of a method for reporting periodic channel state information of a terminal device according to Embodiment 7 of the present invention
  • FIG. 9a is a schematic diagram of a base station configured for a UE to solve interference coexistence between an LTE system and an ISM system according to an embodiment of the present invention
  • Schematic diagram of the problematic TDM pattern
  • FIG. 9b is a schematic diagram of a TDM pattern configured by a base station for a UE to solve an interference coexistence problem between an LTE system and an ISM system according to an embodiment of the present invention
  • FIG. 10 is a flowchart of a method for reporting periodic channel state information of a terminal device according to Embodiment 8 of the present invention
  • FIG. 11 is a flowchart of a method for reporting periodic channel state information of a terminal device according to Embodiment 9 of the present invention
  • FIG. 12 is a flowchart of a method for reporting periodic channel state information of a terminal device according to Embodiment 10 of the present invention
  • FIG. 13 is a flowchart of configuring an LTE system and an ISM system for a UE configured by a base station according to the present invention; Schematic diagram of the T DM pattern of the coexistence problem;
  • FIG. 14 is a flow chart showing a method for reporting periodic channel state information of a terminal device according to Embodiment 11 of the present invention.
  • FIG. 15a is a schematic diagram of a method for configuring a UE for a UE to solve a problem of interference coexistence between an LTE system and an ISM system.
  • FIG. 15b is a schematic diagram of a TDM pattern configured by a base station for a UE to solve an interference coexistence problem between an LTE system and an ISM system according to an embodiment of the present invention
  • FIG. 15c is a schematic diagram of a TDM pattern configured by a base station for a UE to solve an interference coexistence problem between an LTE system and an ISM system. detailed description
  • FIG. 2 is a flow chart showing a method for reporting periodic channel state information of a terminal device (UE) according to an embodiment of the present invention.
  • the method includes the step 201 of determining, according to a periodic channel state information (CSI) configuration parameter, such as a CSI reporting period and an offset value, an uplink subframe n that reports periodic channel state information.
  • CSI periodic channel state information
  • Step 202 Search for a downlink subframe (n-n) that is the first condition of the valid downlink subframe of the channel state information of the uplink subframe of the uplink periodic channel state information.
  • n is the uplink subframe in which the periodic channel state information is reported
  • n eQI ⁇ ⁇ is the minimum value in the range of values [T, positive infinity) such that the subframe (n- n CQLref ) satisfies the first condition
  • T is The maximum delay of the terminal device processing the physical downlink control channel.
  • Step 203 if a downlink subframe (n- n CQLref) in the non-scheduling period, stopping the Industrial Scientific Medical (ISM) in the uplink data transmission system in the downlink subframe (n_ n CQI _ ref), so that the downlink subframe (n- n CQI - rei) satisfies a second condition effective downlink subframe.
  • ISM Industrial Scientific Medical
  • this step 203 it is determined whether the downlink subframe n_ n eQI ⁇ ⁇ is in a non-scheduling period according to the received Long Term Evolution (LTE) system and the Industrial Science Medicine (ISM) system time allocation information (TDM pattern).
  • LTE Long Term Evolution
  • ISM Industrial Science Medicine
  • Step 204 Report channel state information in the uplink subframe by using the downlink subframe as the channel state information time domain reference resource.
  • the reporting channel state information refers to calculating the channel state information (CSI) value reported by the uplink subframe n by using the channel state information time domain reference resource, where the channel state information value corresponds to the channel quality index value, and correspondingly Channel quality index value (CQIindex).
  • CSI channel state information
  • CQIindex Channel quality index value
  • the first condition of the valid downlink subframe is:
  • the subframe is configured as a downlink subframe and (2) the subframe is not a multicast broadcast single frequency network (MBSFN) subframe and (3) if the length of the downlink pilot time slot (DwPTS) is less than or equal to 7680 (where Ts is the basic time unit with a length of 1/(15000*2048) seconds), the subframe does not contain DwPTS and (4) the subframe is not within the measurement interval and (5) for periodic CSI, if The UE configures a CSI subframe set, which belongs to a subframe set associated with the reported CSI.
  • MCSFN multicast broadcast single frequency network
  • the second condition is: if the downlink subframe is in a non-scheduling period, the user equipment (UE) does not perform uplink data transmission of the ISM system in the downlink subframe.
  • the step 203 further includes: if the downlink subframe is in a non-scheduling period, canceling step 204, that is, canceling, by using the downlink subframe as the channel state information time domain reference resource, calculating the uplink subframe n The reported channel state information (CSI) value, and canceling transmitting the corresponding channel quality index value in the uplink subframe.
  • canceling step 204 that is, canceling, by using the downlink subframe as the channel state information time domain reference resource, calculating the uplink subframe n The reported channel state information (CSI) value, and canceling transmitting the corresponding channel quality index value in the uplink subframe.
  • the step 203 further includes: if the downlink subframe is in a non-scheduling period, sending a specific channel quality index value in the uplink subframe, for example, the specific channel quality index value may be 0, to notify the base station Channel shape
  • the downlink subframe of the state information time domain reference resource is within the non-scheduling period.
  • Embodiment 2 the interference caused by the uplink signal of the ISM system to calculate the CSI can be avoided, and the reliability of the subsequent resource scheduling can be ensured.
  • FIG. 3 is a flowchart of a method for reporting periodic channel state information of a terminal device according to an embodiment of the present invention.
  • the method includes the step 301 of determining, according to the configuration parameters reported by the periodic channel state information, such as the CSI reporting period and the offset value, the uplink subframe n reporting the periodic channel state information.
  • Step 302 Search for a valid downlink subframe (nn OT — ref ) of the channel state information of the channel state information of the uplink subframe n of the reporting periodic channel state information, and only when the downlink subframe satisfies the first condition
  • the second condition is also required to form a valid downlink subframe, and the second condition is that the downlink subframe is within a scheduling period.
  • n is the uplink subframe in which the periodic channel state information is reported
  • the value of n eQI — ⁇ is in the range of values [T, positive infinity) such that the subframe (n- n CQI _ ref ) satisfies both the first condition and the second condition.
  • the minimum value is the uplink subframe in which the periodic channel state information is reported.
  • Step 303 Use the found valid downlink subframe (nn OT - as the channel state information time domain reference resource to report channel state information in the uplink subframe, that is, calculate the uplink by using the channel state information time domain reference resource
  • the channel state information (CSI) value reported by the subframe n, the channel state information value corresponding to the channel quality index value, and the corresponding channel quality index value (CQIindex) is transmitted.
  • the first condition when searching for the valid downlink subframe (nn rai ⁇ ref ) of the resource in the time domain reference information, the first condition is:
  • the subframe is configured as a downlink subframe and (2) the subframe is not a multicast broadcast single frequency network (MBSFN) subframe and (3) if the length of the downlink pilot time slot (DwPTS) is less than or equal to 7680 _r s (where Ts is the basic time unit with a length of 1/(15000*2048) seconds), the subframe does not contain DwPTS and, (4) the subframe is not within the measurement interval and (5) for periodic CSI If the UE configures a CSI subframe set, the subframe belongs to a subframe set associated with the reported CSI.
  • MCSFN multicast broadcast single frequency network
  • the method further includes: acquiring a channel state information reporting indication parameter (csi_report-indication);
  • the channel state information reporting indication parameter determines, according to the channel state information reporting indication parameter, whether the channel state information needs to be reported in the uplink subframe; if the channel state information reporting indication parameter is that the channel state information needs to be reported in the uplink subframe, performing step 302 and 303;
  • the channel state information reporting indication parameter is that the channel state information is not required to be reported in the uplink subframe, then steps 302 and 303 are cancelled, that is, the channel state information is cancelled.
  • the acquiring channel state information reporting indication parameter may be acquired when the terminal device receives the time division multiplexing mode (TDM) configured by the base station for the LTE system and the ISM system to work simultaneously.
  • the acquiring channel state information reporting indication parameter (csi_report-indication) may also be used to determine the system and service coexisting in the terminal device, and report the indication parameter according to the channel state information determined by the system and the service coexisting by the terminal device, when needed
  • the channel state information is calculated by using the channel state information time domain reference resource in step 303, and the corresponding channel quality index value is sent in the uplink subframe n; otherwise, the used valid downlink subframe is cancelled as the channel state.
  • the information time domain reference resource transmits a corresponding channel quality index value in the uplink subframe.
  • BT VoIP long-term evolution and VoIP
  • WLAN wireless local area network
  • the obtaining the channel state information reporting indication parameter refers to obtaining the maximum range of the valid downlink subframe, and determining whether the matching is valid between the subframe (nT) and the subframe (nn OT — ma J).
  • the downlink subframe first condition and the second condition valid downlink subframe determine the channel state information reporting indication parameter:
  • the channel state information reporting indication parameter is that the channel needs to be performed. The status information is reported; otherwise, the channel status information reporting indication parameter is that the channel status information reporting is not required.
  • step 302 according to the received Long Term Evolution (LTE) system and the Industrial Scientific Medicine (ISM) system time allocation information (TDM pattern) in the downlink subframe (n_T) to the subframe (nn eQI - rei max ) Find a valid downlink subframe that meets the first condition and the second condition of the valid downlink subframe.
  • LTE Long Term Evolution
  • ISM Industrial Scientific Medicine
  • the foregoing embodiment can prevent the interference caused by the uplink signal of the ISM system from calculating the CSI, ensure the reliability of the subsequent resource scheduling, and prevent the time domain reference resource of the channel state information when calculating the CSI by configuring the maximum value of the effective downlink subframe. Too early, causing inaccurate CSI calculation results.
  • Embodiment 3
  • FIG. 4 is a flowchart of a method for a base station to control a terminal device to perform periodic channel state information reporting according to an embodiment of the present invention.
  • the method includes the step 401 of configuring, by the terminal device, whether the terminal device is required to report the channel state information reporting parameter of the channel state information.
  • the channel status information reporting indication parameter includes a parameter indicating whether the terminal device is required to report channel status information; or, is a maximum range of valid downlink subframes.
  • the channel state information reporting indication parameter may be configured to simultaneously configure the channel state information reporting indication parameter to the terminal device when the terminal device configures the TDM mode for the LTE and the ISM to work simultaneously.
  • FIG. 5 is a schematic structural diagram of a terminal device for reporting periodic channel state information according to an embodiment of the present invention.
  • the terminal device includes a determining unit 501, a searching unit 502, a determining unit 503, a stopping unit 504, and a reporting unit 505.
  • the determining unit 501 is configured to determine, according to a configuration parameter reported by the periodic channel state information (CSI), for example, a CSI reporting period and an offset value, an uplink subframe n that reports periodic channel state information.
  • CSI periodic channel state information
  • the searching unit 502 is configured to search for a downlink subframe (n-n CQI — ref ) of the first condition of the valid downlink subframe of the channel state information of the uplink subframe of the uplink subframe state information.
  • n is the uplink subframe in which the periodic channel state information is reported
  • n eQI ⁇ ⁇ is the minimum value that satisfies the first condition in the range of values [T, positive infinity)
  • the subframe (n- n CQI _ ref ) satisfies the first condition
  • the determining unit 503 is configured to determine whether the downlink subframe is in a non-scheduling period, where the terminal device is configured to process the physical downlink control channel.
  • the stopping unit 504 is configured to: when the determining unit determines that the downlink subframe is in a non-scheduling period, stop uplink data transmission in the industrial science medical system in the downlink subframe, so that the downlink subframe A second condition that satisfies a valid downlink subframe;
  • the reporting unit 505 reports the channel state information in the uplink subframe by using the downlink subframe as the channel state information time domain reference resource.
  • the searching unit 502 searches for a downlink subframe (n-n rai ⁇ rei ) that meets the first condition of the valid downlink subframe, the first condition of the valid downlink subframe is:
  • the subframe is configured as a downlink subframe and (2) the subframe is not a multicast broadcast single frequency network (MBSFN) subframe and (3) if the length of the downlink pilot time slot (DwPTS) is less than or equal to 7680 (where Ts is the basic time unit with a length of 1/(15000*2048) seconds), the subframe does not contain DwPTS and (4) the subframe is not within the measurement interval and (5) for periodic CSI, if The UE configures a CSI subframe set, which belongs to a subframe set associated with the reported CSI.
  • MCSFN multicast broadcast single frequency network
  • the second condition of the valid downlink subframe is: if the downlink subframe is in a non-scheduling period, the user equipment (UE) does not perform uplink data transmission of the ISM system in the downlink subframe.
  • the determining unit 503 further determines whether the downlink subframe is within a non-scheduling period according to the received Long Term Evolution (LTE) system and the Industrial Science Medicine (ISM) system time allocation information (TDM pattern).
  • LTE Long Term Evolution
  • ISM Industrial Science Medicine
  • the reporting unit 505 according to the determination result of the determining unit 503, if the downlink subframe n- n_ref is in a non-scheduling period, the reporting unit 505 cancels reporting channel state information in the uplink subframe. Or the reporting unit 505 reports a specific channel quality index value in the uplink subframe.
  • Embodiment 5 the interference caused by the uplink signal of the ISM system to calculate the CSI can be avoided, and the reliability of the subsequent resource scheduling can be ensured.
  • FIG. 6 is a schematic structural diagram of a terminal device for reporting periodic channel state information according to an embodiment of the present invention.
  • the terminal device includes a determining unit 601, a searching unit 602, and a calculating unit 603.
  • the determining unit 601 is configured to determine, according to a configuration parameter reported by the periodic channel state information, for example, a CSI reporting period and an offset value, an uplink subframe n that reports periodic channel state information.
  • the searching unit 602 is configured to search for a channel state of an uplink subframe that is the reporting periodic channel state information.
  • the valid downlink subframe nn eQI ⁇ rei of the information time domain reference resource and only needs to satisfy the second condition when the downlink subframe satisfies the first condition to form a valid downlink subframe, and the second condition is the downlink subframe
  • the frame is in the scheduling period; where n is the uplink subframe in which the periodic channel state information is reported, and the value of n eQI ⁇ ⁇ is in the range of values [T, positive infinity) so that the subframe (n- n CQLref ) satisfies the first condition at the same time. And the minimum of the second condition.
  • the calculating unit 603 is configured to report the channel state information in the uplink subframe by using the found valid downlink subframe as the channel state information time domain reference resource.
  • the searching unit 602 searches for the valid downlink subframe (nn eQI ⁇ ref ) of the channel state information of the channel state information corresponding to the uplink subframe n of the periodic channel state information, the first condition of the valid downlink subframe for:
  • the subframe is configured as a downlink subframe and (2) the subframe is not a multicast broadcast single frequency network (MBSFN) subframe and (3) if the length of the downlink pilot time slot (DwPTS) is less than or equal to 7680 (where Ts is the basic time unit with a length of 1/(15000*2048) seconds), the subframe does not contain DwPTS and (4) the subframe is not within the measurement interval and (5) for periodic CSI, if The UE configures a CSI subframe set, which belongs to a subframe set associated with the reported CSI.
  • MCSFN multicast broadcast single frequency network
  • the method further includes an obtaining unit 604, configured to acquire a channel state information reporting indication parameter;
  • the searching unit 602 Searching for a valid downlink subframe nn eQI ⁇ rei of the channel state information of the channel state information of the uplink subframe as the reporting periodic channel state information, and only satisfying the second condition when the downlink subframe satisfies the first condition
  • the second downlink condition is that the downlink subframe is in the scheduling period, and the calculating unit 603 is used to report the valid downlink subframe as the channel state information in the uplink subframe.
  • the notification searching unit 602 cancels the channel state information of the uplink subframe that is used as the reporting periodic channel state information.
  • the valid downlink subframe of the resource, and the notification calculation unit 603 cancels the use of the found valid downlink subframe as the channel state information time domain reference resource to report the channel state information in the uplink subframe.
  • the obtaining unit 604 reports the indication parameter from the channel state information configured by the base station for the terminal device.
  • the obtaining unit 604 reports the indication parameter according to the channel state information determined by the system and the service that the terminal device coexists.
  • the channel state information reporting indication parameter is determined to be required to perform channel state information reporting; when the terminal device is in the long-term evolution and the multimedia service of the Bluetooth system coexists, or the long-term evolution and
  • the channel state information reporting indication parameter is determined to be that channel state information reporting is not required.
  • the obtaining unit 604 obtains the maximum range n eQI — ref of the valid downlink subframe and according to whether it is possible to find the first condition of the valid downlink subframe between the subframe (nT) and the subframe (nn eQI — ref — And validating the downlink subframe of the second condition to determine the channel state information reporting indication parameter:
  • the channel state information reporting parameter is required. Perform channel status information reporting; Otherwise, it is determined that the channel state information reporting indication parameter is that channel state information reporting is not required.
  • the foregoing embodiment can prevent the interference caused by the uplink signal of the ISM system from calculating the CSI, ensure the reliability of the subsequent resource scheduling, and prevent the time domain reference resource of the channel state information when calculating the CSI by configuring the maximum value of the effective downlink subframe. Too early, causing inaccurate CSI calculation results.
  • Embodiment 6
  • FIG. 7 is a schematic structural diagram of a base station for controlling periodic device status information reporting by a terminal device according to an embodiment of the present invention.
  • the base station includes a configuration unit 701, configured to configure, for the terminal device, whether the terminal device is required to report the channel state information of the channel state information to report the indication parameter.
  • the channel state information reporting indication parameter includes: a parameter indicating whether the terminal device needs to report channel state information; or, is a maximum range of valid downlink subframes.
  • FIG. 8 is a flowchart of a method for reporting periodic channel state information of a terminal device according to an embodiment of the present invention.
  • the terminal equipment determines, according to the CSI reporting period and the offset value in the periodic CSI reporting parameters configured by the base station, that the periodic CSI needs to be reported in the uplink subframe n of the scheduling period.
  • Step 802 UE further find a downlink subframe (n- n OT - ref) according to the first conditions effective downlink subframe.
  • the first condition for determining whether a subframe is a valid downlink subframe is: (1) the subframe is configured as a downlink subframe and (2) the subframe is not a multicast broadcast single frequency network (MBSFN) Subframes, and (3) if the length of the downlink pilot time slot (DwPTS) is less than or equal to 7680 (where Ts is a basic time unit and its length is 1/(15000*2048) seconds), the subframe does not include DwPTS and (4) The subframe is not within the measurement interval and (5) For periodic CSI, if the UE configures a CSI subframe set, the subframe belongs to a subframe set associated with the reported CSI.
  • MCSFN multicast broadcast single frequency network
  • n OT — ⁇ is in the range of values [4, positive infinity) such that the subframe n- n CQI — rei satisfies the minimum value of the first condition, and in this example, 4 in the range of values is handled by the terminal device.
  • Step 803 The UE further determines, according to the time allocation information (TDM pattern) configured by the base station for solving the interference coexistence problem between the LTE system and the ISM system, whether the downlink subframe (n_n rai ⁇ ref ) is in a non-scheduling period. . If not in the non-scheduling period, step 805 is performed; if in the non-scheduling period, step 804 is needed to make the downlink subframe (n-n CQLref ) satisfy the second condition to form a valid downlink subframe, that is: If the downlink subframe is in a non-scheduling period, the user equipment (UE) does not perform uplink transmission of the ISM in the downlink subframe.
  • TDM pattern time allocation information
  • Step 804 UE stops ISM system in downlink subframe (n- n CQI _ ref) uplink data transmission, to the downlink sub-frame (n- n CQLref) as CSI temporal reference resource in the uplink subframe n
  • the channel quality index value (CQI index) corresponding to the CSI value is reported.
  • Step 805 UE uplink subframe n in the calculation reported CSI, the effective downlink subframe (n- n m - ref) as a reference resource time domain CSI, CSI reporting channel quality index value in the corresponding uplink subframe n Value (CQI index).
  • FIG. 9 is a schematic diagram of a TDM pattern configured by a base station for a UE to solve an interference coexistence problem between an LTE system and an ISM system according to an embodiment of the present invention.
  • the uplink subframe n in the LTE scheduling period is a subframe in which the CSI is reported according to the CSI reporting period and the offset value in the periodic CSI reporting parameters configured by the UE.
  • the subframe (n-4), the subframe (n_5), and the subframe (n_6) do not satisfy the first condition
  • the three subframes are three subframes in the measurement period configured by the base station for the UE.
  • the three subframes are uplink subframes configured by the base station for the UE, and the subframes (n-7) satisfy the first condition.
  • the first condition is met, and the downlink subframe closest to the downlink subframe n-4 is the subframe (n-7).
  • the following row subframe (n_7) calculates the value of the CSI as the CSI time domain reference resource, and reports the CQI index corresponding to the CSI value in the uplink subframe n.
  • subframe (n-4) satisfies the first condition and the subframe is in a non-scheduled period. Therefore, the UE needs to further satisfy the second condition of the downlink subframe: the user equipment (UE) does not perform uplink transmission of the ISM in the downlink subframe. To satisfy this condition, the UE automatically stops the uplink data transmission of the ISM system in the downlink subframe (n-n m - ref ).
  • the following row subframe (n-4) calculates the value of the CSI as the CSI time domain reference resource, and reports the CQI indexo corresponding to the CSI value in the uplink subframe n.
  • FIG. 10 is a flowchart of a method for reporting periodic channel state information of a terminal device according to an embodiment of the present invention.
  • the terminal equipment determines, according to the CSI reporting period and the offset value in the periodic CSI reporting parameters configured by the base station, that the periodic CSI needs to be reported in the uplink subframe n of the scheduling period.
  • Step 1002 The UE further searches for a downlink subframe (n-n CQLref ) according to the first condition of the valid downlink subframe.
  • the first condition for determining whether a subframe is a valid downlink subframe is: (1) the subframe is configured as a downlink subframe and (2) the subframe is not a multicast broadcast single frequency network (MBSFN) Subframes, (3) If the length of the downlink pilot time slot (DwPTS) is less than or equal to 7680 (where Ts is the basic time unit and its length is 1/(15000*2048) seconds), the subframe does not contain DwPTS and (4) The subframe is not within the measurement interval and (5) For periodic CSI, if the UE configures a CSI subframe set, the subframe belongs to a subframe set associated with the reported CSI.
  • DwPTS downlink pilot time slot
  • n eQI the ref value is in the range of values [4, positive infinity), so that the subframe n- n rai — ref satisfies the minimum value of the first condition, and in this example, 4 in the range of values is the processing physics of the terminal device.
  • Step 1003 The UE further determines, according to a time allocation information (TDM pattern) configured by the base station for solving the interference coexistence problem between the LTE system and the ISM system, whether the downlink subframe (n_n rai ref ) is in a non-scheduling period. . If not in the non-scheduled period, step 1005 is performed; if in the non-scheduled period, step 1004 is performed.
  • TDM pattern time allocation information
  • Step 1004 The UE cancels reporting the channel state information in the uplink subframe n of the reporting periodic channel state information, that is, cancels the channel quality index value in the uplink subframe n of the reporting periodic channel state information; or may cancel the use.
  • the downlink subframe (n- n_ref ) is a step of calculating a value of the CSI as a CSI time domain reference resource, and cancels the channel quality index value of the uplink subframe n in the reporting periodic channel state information.
  • Step 1005 The UE reports the channel state information in the uplink subframe n of the reporting periodic channel state information, and the UE uses the valid downlink subframe (n-n CQLref ) as the CSI time domain reference when calculating the CSI reported by the uplink subframe n.
  • the resource calculates the value of the CSI, and reports the CQI indexo corresponding to the CSI value in the uplink subframe n.
  • FIG. 9 is a schematic diagram of a TDM pattern configured by a base station for a UE to solve an interference coexistence problem between an LTE system and an ISM system according to an embodiment of the present invention.
  • the uplink subframe n in the LTE scheduling period is a subframe in which the CSI is reported according to the CSI reporting period and the offset value in the periodic CSI reporting parameters configured by the UE.
  • the subframe (n-4), the subframe (n_5), and the subframe (n_6) do not satisfy the first condition
  • the three subframes are three subframes in the measurement period configured by the base station for the UE.
  • the three subframes are uplink subframes configured by the base station for the UE, and the subframes (n-7) satisfy the first condition.
  • the first condition is met, and the downlink subframe closest to the downlink subframe n-4 is the subframe (n-7).
  • the following row subframe (n_7) calculates the CSI value as the CSI time domain reference resource, and reports the CQI indexo corresponding to the CSI value in the uplink subframe n.
  • the subframe (n-4) satisfies the first condition and the subframe is in a non-scheduling period. Therefore, the UE cancels the transmission of the channel quality index value in the uplink subframe n of the reporting periodic channel state information.
  • FIG. 11 is a flowchart of a method for reporting periodic channel state information of a terminal device according to an embodiment of the present invention.
  • the terminal device determines, according to the CSI reporting period and the offset value in the periodic CSI reporting parameter configured by the base station, that the periodic CSI needs to be reported in the uplink subframe n of the scheduling period.
  • Step 1102 The UE further searches for a downlink subframe (n-n CQLref ) according to the first condition of the valid downlink subframe.
  • the first condition for determining whether a subframe is a valid downlink subframe is: (1) the subframe is configured as a downlink subframe, and (2) the subframe is not a multicast broadcast single frequency network (MBSFN) Subframes, (3) If the length of the downlink pilot time slot (DwPTS) is less than or equal to 7680 (where Ts is the basic time unit and its length is 1/(15000*2048) seconds), the subframe does not contain DwPTS and (4) The subframe is not within the measurement interval and (5) For periodic CSI, if the UE configures a CSI subframe set, the subframe belongs to a subframe set associated with the reported CSI.
  • DwPTS downlink pilot time slot
  • n eQI the ref value is in the range [4, positive infinity)
  • the subframe n- n rai — rei satisfies the minimum value of the first condition, and in this example, 4 in the range of values is the processing physics of the terminal device.
  • Step 1103 The UE further determines, according to the time allocation information (TDM pattern) configured by the base station for solving the interference coexistence problem between the LTE system and the ISM system, whether the downlink subframe (n_n rai ⁇ ref ) is in a non-scheduling period. . If not in the non-scheduled period, step 1105 is performed; if in the non-scheduled period, step 1104 is performed.
  • TDM pattern time allocation information
  • Step 1104 The UE sends a channel quality index value “0” in the uplink subframe n of the reporting periodic channel state information, where the channel quality index value represents a non-scheduling of the downlink subframe that informs the base station as the channel state information time domain reference resource. Within the cycle.
  • Step 1105 The UE reports channel state information in the uplink subframe n of the reporting periodic channel state information, and the UE uses the valid downlink subframe (n-n CQLref ) as the CSI time domain reference when calculating the CSI reported by the uplink subframe n.
  • the resource calculates the value of the CSI, and reports the CQI indexo corresponding to the CSI value in the uplink subframe n.
  • FIG. 9 is a schematic diagram of a TDM pattern configured by a base station for a UE to solve an interference coexistence problem between an LTE system and an ISM system.
  • the uplink subframe n in the LTE scheduling period is a subframe in which the CSI is reported according to the CSI reporting period and the offset value in the periodic CSI reporting parameters configured by the UE.
  • the subframe (n-4), the subframe (n_5), and the subframe (n_6) do not satisfy the first condition, for example,
  • the three subframes are three subframes in the measurement period configured by the base station for the UE, or the three subframes are uplink subframes configured by the base station for the UE, and the subframes (n-7) satisfy the first condition. Then, the first condition is met, and the downlink subframe closest to the downlink subframe n-4 is the subframe (n-7).
  • the following row subframe (n_7) calculates the value of the CSI as the CSI time domain reference resource, and reports the CQI index corresponding to the CSI value in the uplink subframe n.
  • subframe (n-4) satisfies the first condition and the subframe is in a non-scheduled period. Therefore, the UE sends a channel quality index value “0” in the uplink subframe n of the reporting periodic channel state information.
  • FIG. 12 is a flowchart of a method for reporting periodic channel state information of a terminal device according to an embodiment of the present invention.
  • the terminal device determines, according to the CSI reporting period and the offset value in the periodic CSI reporting parameter configured by the base station, that the periodic CSI needs to be reported in the uplink subframe n of the scheduling period.
  • Step 1202 The UE obtains a channel state information reporting indication parameter (csi_report-indication) by using a TDM mode configured by the eNB to solve the LTE and ISM system interference coexistence problem, and the UE and the base station can use the indication parameter to know whether it is needed.
  • the channel state information is reported in a certain subframe in the scheduling period.
  • the UE and the base station may further determine a channel state information reporting indication parameter according to the system and service coexisting in the UE, for example, when the UE is in a coexistence state of Long Term Evolution (LTE) and Bluetooth System VoIP (BT VoIP) services.
  • LTE Long Term Evolution
  • BT VoIP Bluetooth System VoIP
  • the channel state information is not reported. .
  • Step 1203 Determine whether the channel status information reporting indication parameter (csi_report-indication) requires reporting channel status information. If necessary, proceed to step 1204, otherwise proceed to step 1206.
  • Step 1204 Find a valid downlink subframe (nn rai ⁇ ref ) that meets the first condition and the second condition.
  • the valid downlink subframe is a subframe of the channel state information time domain reference resource corresponding to the uplink subframe n of the reporting periodic channel state information.
  • the value of n OT — ⁇ is in the range of values [4, positive infinity) such that the subframe n- rei satisfies the minimum of the first condition and the second condition simultaneously, and in this example, 4 in the range of values is the terminal.
  • the first condition for determining whether a subframe is a valid downlink subframe is:
  • the subframe is configured as a downlink subframe and (2) the subframe is not a multicast broadcast single frequency network (MBSFN) subframe and (3) if the length of the downlink pilot time slot (DwPTS) is less than or equal to 7680_r s (where Ts is the basic time unit with a length of 1/(15000*2048) seconds), the subframe does not contain DwPTS and (4) the subframe is not within the measurement interval and (5) for periodic CSI, If the UE configures a CSI subframe set, the subframe belongs to a subframe set associated with the reported CSI.
  • MCSFN multicast broadcast single frequency network
  • the second condition for determining whether a downlink subframe is a valid downlink subframe is:
  • the downlink subframe is not in the non-scheduling period.
  • Step 1205 The UE reports channel state information in the uplink subframe n of the reporting periodic channel state information, that is, using the found valid downlink subframe (n-n m — ref ) as the channel state information time domain reference resource.
  • Upstream subframe n Reporting the CSI value, and reporting the CQI indexo corresponding to the CSI value in the uplink subframe n
  • Step 1206 the UE cancels reporting the channel state information in the uplink subframe n of the reporting periodic channel state information, that is, the UE may cancel the channel quality index value in the uplink subframe n of the reporting periodic channel state information; or may cancel The step of calculating the value of the CSI by using the downlink subframe (n-n CQLref ) as the CSI time domain reference resource, and canceling the transmission of the channel quality index value in the uplink subframe n of the reporting periodic channel state information.
  • FIG. 13 is a schematic diagram of a TDM pattern configured by a base station for a UE to solve an interference coexistence problem between an LTE system and an ISM system, as shown in FIG.
  • the reporting period and the offset value of the CSI in the periodic CSI reporting parameter configured by the base station for the UE are reported in the uplink subframe n of the LTE scheduling period as the subframe for reporting the CSI.
  • the downlink subframe (n-4) is a downlink subframe that satisfies the first condition described above. Therefore, according to the definition of the existing CSI time domain reference resource, the time domain reference resource is a downlink subframe (n-4), and the downlink subframe is in a non-scheduling period.
  • the UE needs to report whether the periodic channel state information needs to be reported in the uplink subframe n according to the channel state information reporting parameter (csi_report-indication). If the csi_report-indication indicates that the UE needs to report the channel state information in the uplink subframe n, the UE needs to find the subframe that is the closest to the subframe n-4 and satisfies the first condition and the second condition, and reports the subframe as the uplink subframe n.
  • the time domain reference resource of the periodic CSI is the time domain reference resource of the periodic CSI.
  • the UE uses the downlink subframe (n-7) as the channel state information.
  • the domain reference resource calculates a CSI value reported by the uplink subframe n, and reports a channel quality index value corresponding to the CSI value in the uplink subframe n. If the csi_report-indication indicates that the UE does not need to report the periodic channel state information in the uplink subframe n, the UE cancels reporting the channel state information in the uplink subframe n of the reporting periodic channel state information.
  • FIG. 14 is a flowchart of a method for reporting periodic channel state information of a terminal device according to an embodiment of the present invention.
  • the terminal equipment determines, in advance, that the periodic CSI needs to be reported in the uplink subframe n of the scheduling period according to the CSI reporting period and the offset value in the periodic CSI reporting parameters configured by the base station.
  • Step 1402 Acquire a maximum range n eQI — ref — max of a valid downlink subframe configured by the base station for the UE.
  • Step 1403 The UE determines, in the downlink subframe (n-4) to the downlink subframe, according to the first condition and the second condition of the TDM patteru effective downlink subframe configured by the base station for solving the interference coexistence problem of the LTE and the ISM system. Whether (nn rai — ref ⁇ ,) (including subframe n-4 and subframe nn OT — rei max ) can find the time domain reference resource used as the channel state information while satisfying the first condition and the second condition simultaneously Valid downlink subframe. If a valid downlink subframe can be found, then go to step 1404, otherwise go to step 1405.
  • the first condition for determining whether a subframe is a valid downlink subframe is:
  • the subframe is configured as a downlink subframe and (2) the subframe is not a multicast broadcast single frequency network (MBSFN) subframe and (3) if the length of the downlink pilot time slot (DwPTS) is less than or equal to 7680 (where Ts is the basic time unit with a length of 1/(15000*2048) seconds), the subframe does not contain DwPTS and (4) the subframe is not within the measurement interval and (5) for periodic CSI, if The UE configures a CSI subframe set, which belongs to a subframe set associated with the reported CSI.
  • MCSFN multicast broadcast single frequency network
  • the second condition for determining whether a downlink subframe is a valid downlink subframe is: The downlink subframe is not in the non-scheduling period.
  • Step 1404 UE reports the channel state information of the channel state information reporting period uplink subframe n, i.e. the UE will effectively satisfy the downlink sub-frame of the first and second conditions (n- n eQI - rei) as an uplink subframe
  • the time domain reference resource of the periodic channel state information reported by the n calculates the value of the CSI, and reports the channel quality index value in the uplink subframe n of the periodic channel state information.
  • the value in the value range [4, ] causes the downlink subframe n_ to satisfy the minimum value of the first condition and the second condition at the same time, and in the example, 4 in the value range is the processing of the physical downlink control channel by the terminal device. Maximum delay.
  • Step 1405 The UE cancels the channel state information in the uplink subframe n of the reporting periodic channel state information, that is, the UE may cancel the channel quality index value in the uplink subframe n of the reporting periodic channel state information; or may cancel The step of calculating the value of the CSI by using the downlink subframe (n-n CQLref ) as the CSI time domain reference resource, and canceling the transmission of the channel quality index value in the uplink subframe n of the reporting periodic channel state information.
  • FIG. 15 is a schematic diagram of a TDM pattern configured by a base station for a UE to solve an interference coexistence problem between an LTE system and an ISM system.
  • the subframe (n-4), the subframe (n_5) and the subframe (n_6) satisfy the first condition but do not satisfy the second condition.
  • the subframe (n-7) and the subframe (n-8) satisfy both the first condition and the second condition, and the UE selects the subframe (n_7) as the time domain reference resource of the periodic channel state information reported by the uplink subframe n, and The periodic channel state information is reported in the uplink subframe n.
  • the subframe (n-4), the subframe (n-5), and the subframe (n_6) satisfy the first condition but do not satisfy the second condition.
  • the subframe (n-7) and the subframe (n-8) satisfy the second condition, but do not satisfy the first condition, for example, the subframe (n_7) and the subframe (n-8) are in the measurement period configured by the base station for the UE.
  • the two subframes, or the two subframes are uplink subframes configured by the base station for the UE. Then the UE cannot find a valid downlink subframe that satisfies both the first condition and the second condition between subframes [n-4, n-8]. Therefore, the UE cancels the transmission of the channel state information in the uplink subframe n of the reporting periodic channel state information.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in the terminal device, the program causes the computer to execute the periodic channel state information reporting method in the terminal device.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the periodic channel state information reporting method in the terminal device.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a base station, the program causes the computer to execute the base station control terminal device periodic channel state information reporting method in the base station.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the base station control terminal device periodic channel state information reporting method in the base station.
  • the embodiment of the device of the present invention can avoid the interference caused by the uplink signal of the ISM system to calculate the CSI, ensure the reliability of the subsequent resource scheduling, and prevent the channel state information time domain when calculating the CSI by configuring the maximum value of the effective downlink subframe.
  • the reference resource is too early, causing inaccurate CSI calculation results.
  • the above apparatus and method of the present invention may be implemented by hardware, or may be implemented by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • Logic components such as field programmable logic components, microprocessors, processors used in computers, and the like.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.

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Abstract

本发明涉及通信领域,特别涉及一种周期性信道状态信息报告的方法及装置,其中方法包括根据周期信道状态信息报告的参数找到上报周期信道状态信息的上行子帧;寻找与所述上报周期信道状态信息的上行子帧相应的信道状态信息时域参考资源的有效下行子帧;若与所述上报周期信道状态信息的上行子帧相应的作为信道状态信息时域参考资源的有效下行子帧在非调度周期内,则在作为信道状态信息时域参考资源的有效下行子帧上停止工业科学医学的上行传输;利用所述信道状态信息时域参考资源计算所述上行子帧上报的信道状态信息。通过本发明实施例可以避免ISM系统上行信号对计算CSI造成的干扰。

Description

一种周期性信道状态信息报告的方法及装置
技术领域
本发明涉及通信领域, 特别涉及一种周期性信道状态信息报告的方法及装置。 背景技术
为了实现用户可以无处不在的接入网络, 终端设备需要安装多套收发机以接入不同的 网络。 例如, 终端设备可以同时安装有长期演进 (Long Term Evolution, LTE) 系统, 工 业科学医学 ( Industrial Scientific Medical , ISM) 系统 (例如 WiFi、 蓝牙 BlueTooth 等) 的收发机。 由于同一终端设备内多套收发机距离非常近, 一个系统发射机的功率可能 会远高于另外一个系统接收机的功率。 图 1给出了一个现有技术中干扰共存的示例, 如图 1 所示, 终端设备可包括 LTE系统、 GPS系统和蓝牙 /WiFi系统, LTE系统可能对蓝牙 /WiFi系 统产生干扰, 蓝牙 /WiFi系统也可能对 LTE系统产生干扰。 如果不同系统的工作频带间隔较 远, 通过滤波技术可以很好的控制发射信号对接收信号造成的干扰。然而, 对于有些场景, 例如, 当同一终端设备内不同系统的工作频段非常接近时, 目前的滤波技术不足以提供有 效的干扰避免。
为了避免上述场景下的共存干扰, 现有技术中采用时分复用的方式将两个不同系统的 信号发送和信号接收从时间上分开。 在时分复用方式下, UE工作于 LTE系统的时间定义为 调度周期(scheduling period) , UE工作于 ISM系统的时间定义为非调度周期(unscheduled period)。 在调度周期内, 根据基站为其配置的周期性信道状态信息报告, UE需要上报信 道状态信息(Channel status information, CSI)。 为了得到信道状态信息的值, UE需要 测量下行子帧的公共参考信号(CRS)或信道状态信息参考信号(CSI-RS) 。在 LTE系统中, 分别从频域, 时域和空域定义了 CSI的参考资源用来指导 UE的信道质量信息的测量。 对于 n 时刻上报的 CSI, 从时域角度, 其 CSI参考资源定义为下行子帧 n- nCQLref 。 对于周期 CSI, nCQI— ^是满足下行子帧 n- nrairef为有效下行子帧的大于等于 4的最小值。 对于一个下行子帧, 其被视为有效下行子帧的条件为: (1 ) 该子帧被配置为下行子帧并且, (2) 该子帧不是 MBSFN子帧并且, (3) 如果下行导频时隙 (DwPTS) 的长度小于等于 7680 · 7; (其中 Ts为基 本时间单元,其长度为 1/ (15000*2048)秒) , 该子帧不包含 DwPTS并且, (4) 该子帧不在 测量间隔内并且, (5) 对于周期 CSI , 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI 的关联的子帧集。
基于目前 CSI时域参考资源的定义, 当 UE从非调度周期转入调度周期后, 会出现如下 情况: 根据基站为其配置的周期 CSI, UE需要在上行子帧 n上报 CSI , 其 CSI参考资源为下行 子帧 n-neQIrei。 如果 UE在 n-neQIrei进行了 ISM的上行传输, 会对 LTE的下行子帧造成干扰, 因 此, 根据该参考资源计算得到的 CSI的值是不准确的。 当基站收到该值后, 会影响其后续 的下行资源调度。 应该注意, 上面对技术背景的介绍只是为了方便对本发明的技术方案进行清楚、 完整 的说明, 并方便本领域技术人员的理解而阐述的。 不能仅仅因为这些方案在本发明的背景 技术部分进行了阐述而认为上述技术方案为本领域技术人员所公知。 发明内容
本发明实施例提供了一种周期性信道状态信息报告的方法及装置, 用于解决现有技术 中 ISM系统上行传输对信道状态信息时域参考资源的干扰问题。
本发明实施例提供了一种终端设备周期性信道状态信息报告方法, 该方法包括, 根据周期信道状态信息报告的参数确定上报周期信道状态信息的上行子帧; 寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域参考资源的符 合有效下行子帧第一条件的下行子帧 ( n- nCQIref ) 其中 n为上报周期信道状态信息的上行 子帧, QI― ^的值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref ) 满足第一条件的最小值, 其中 T为终端设备处理物理下行控制信道的最大时延;
若所述下行子帧在非调度周期内, 则在所述下行子帧内停止工业科学医学系统内的上 行数据传输, 以使所述下行子帧满足有效下行子帧的第二条件;
以所述下行子帧作为信道状态信息时域参考资源在所述上行子帧上报信道状态信息。 本发明实施例还提供了一种终端设备周期性信道状态信息报告方法, 该方法包括, 根据周期信道状态信息报告的参数确定上报周期信道状态信息的上行子帧; 寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域参考资源的有 效下行子帧 n-nrairei,且只有当下行子帧满足了第一条件的同时还须满足第二条件才构成有 效下行子帧, 所述第二条件为该下行子帧在调度周期内; 其中 n为上报周期信道状态信息 的上行子帧, nrai― ^的值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref ) 同时满足第一条件 和第二条件的最小值;
利用寻找到的有效下行子帧作为信道状态信息时域参考资源在所述上行子帧上报信 道状态信息。
本发明实施例还提供了一种基站控制终端设备进行周期性信道状态信息报告方法, 该 方法包括,
给终端设备配置是否要求该终端设备上报信道状态信息的信道状态信息上报指示参 数。
本发明实施例还提供了一种进行周期性信道状态信息报告的终端设备, 该终端设备包 括,
确定单元, 用于根据周期信道状态信息报告的参数确定上报周期信道状态信息的上行 子帧;
寻找单元, 用于寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域 参考资源的符合有效下行子帧第一条件的下行子帧 ( n- nCQIref ) 其中 n为上报周期信道状 态信息的上行子帧, ref 值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref ) 满足第一条 件的最小值, 其中 τ为终端设备处理物理下行控制信道的最大时延;
判断单元, 用于判断所述下行子帧是否在非调度周期内;
停止单元, 用于当所述判断单元判断出所述下行子帧在非调度周期内时, 在所述下行 子帧内停止工业科学医学系统内的上行数据传输, 以使所述下行子帧满足有效下行子帧的 第二条件;
上报单元, 以所述下行子帧作为信道状态信息时域参考资源在所述上行子帧上报信道 状态信息。
本发明实施例还提供了一种进行周期性信道状态信息报告的终端设备, 该设备包括, 确定单元, 用于根据周期信道状态信息报告的配置参数确定上报周期信道状态信息的 上行子帧;
寻找单元, 用于寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域 参考资源的有效下行子帧 n-neQIref,且只有当下行子帧满足了第一条件的同时还须满足第二 条件才构成有效下行子帧, 所述第二条件为该下行子帧在调度周期内; 其中 n为上报周期 信道状态信息的上行子帧, neQI— ^的值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref ) 同时 满足第一条件和第二条件的最小值;
计算单元, 用于利用寻找到的有效下行子帧作为信道状态信息时域参考资源在所述上 行子帧上报信道状态信息。
本发明实施例还提供了一种控制终端设备周期性信道状态信息报告的基站, 该基站包 括:
配置单元, 用于给终端设备配置是否要求该终端设备上报信道状态信息的信道状态信 息上报指示参数。
本发明实施例还提供了一种计算机可读程序, 其中当在终端设备中执行该程序时, 该 程序使得计算机在所述终端设备中执行上述周期性信道状态信息报告方法。
本发明实施例还提供了一种存储有计算机可读程序的存储介质, 其中该计算机可读程 序使得计算机在所述终端设备中执行上述周期性信道状态信息报告方法。
本发明实施例还提供了一种计算机可读程序, 其中当在基站中执行该程序时, 该程序 使得计算机在所述基站中执行上述基站控制终端设备周期性信道状态信息报告方法。
本发明实施例还提供了一种存储有计算机可读程序的存储介质, 其中该计算机可读程 序使得计算机在基站中执行上述基站控制终端设备周期性信道状态信息报告方法。
本发明实施例的有益效果在于, 可以避免 ISM系统上行信号对计算 CSI造成的干扰, 保 证后继资源调度的可靠性。
参照后文的说明和附图, 详细公开了本发明的特定实施方式, 指明了本发明的原理可 以被采用的方式。 应该理解, 本发明的实施方式在范围上并不因而受到限制。 在所附权利 要求的精神和条款的范围内, 本发明的实施方式包括许多改变、 修改和等同。
针对一种实施方式描述和 /或示出的特征可以以相同或类似的方式在一个或更多个其 它实施方式中使用, 与其它实施方式中的特征相组合, 或替代其它实施方式中的特征。 应该强调, 术语 "包括 /包含"在本文使用时指特征、 整件、 步骤或组件的存在, 但 并不排除一个或更多个其它特征、 整件、 步骤或组件的存在或附加。 附图说明
此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 并不构成 对本发明的限定。 在附图中:
图 1给出了一个现有技术中干扰共存的示例;
图 2所示为本发明实施例一的一种终端设备周期性信道状态信息报告方法的流程图; 图 3所示为本发明实施例二的一种终端设备周期性信道状态信息报告方法的流程图; 图 4所示为本发明实施例三的一种基站控制终端设备进行周期性信道状态信息报告方 法的流程图;
图 5所示为本发明实施例四的一种进行周期性信道状态信息报告的终端设备的结构示 意图;
图 6所示为本发明实施例五的一种进行周期性信道状态信息报告的终端设备的结构示 意图;
图 7所示为本发明实施例六的一种控制终端设备进行周期性信道状态信息报告的基站 结构示意图;
图 8所示为本发明实施例七的一种终端设备周期性信道状态信息报告方法的流程图; 图 9a所示为本发明实施例基站为 UE配置的用于解决 LTE系统和 ISM系统干扰共存问题 的 TDM pattern的示意图;
图 9b所示为本发明实施例基站为 UE配置的用于解决 LTE系统和 ISM系统干扰共存问题 的 TDM pattern的示意图;
图 10所示为本发明实施例八的一种终端设备周期性信道状态信息报告方法的流程图; 图 11所示为本发明实施例九的一种终端设备周期性信道状态信息报告方法的流程图; 图 12所示为本发明实施例十的一种终端设备周期性信道状态信息报告方法的流程图; 图 13所示为本发明实施基站为 UE配置的用于解决 LTE系统和 ISM系统干扰共存问题的 T DM pattern的示意图;
图 14所示为本发明实施例十一的一种终端设备周期性信道状态信息报告方法的流程 图;
图 15a所示为本发明实施基站为 UE配置的用于解决 LTE系统和 ISM系统干扰共存问题的
TDM pattern的示意图;
图 15b所示为本发明实施基站为 UE配置的用于解决 LTE系统和 ISM系统干扰共存问题的 TDM pattern的示意图;
图 15c所示为本发明实施基站为 UE配置的用于解决 LTE系统和 ISM系统干扰共存问题的 TDM pattern的示意图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚, 下面结合附图对本发明的具体实施例 进行详细说明。 在此, 本发明的示意性实施例及其说明用于解释本发明, 但并不作为对本 发明的限定。
实施例一
如图 2所示为本发明实施例一种终端设备 (UE) 周期性信道状态信息报告方法的流程 图。
该方法包括步骤 201, 根据周期信道状态信息 (CSI) 配置参数, 例如 CSI上报周期和 偏移值, 确定上报周期信道状态信息的上行子帧 n。
步骤 202, 寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域参考 资源的符合有效下行子帧第一条件的下行子帧 (n- n )。 其中 n为上报周期信道状态信 息的上行子帧, neQI― ^的值为取值范围 [T, 正无穷)内使子帧 (n- nCQLref) 满足第一条件的 最小值, 其中 T为终端设备处理物理下行控制信道的最大时延。
步骤 203, 若下行子帧 (n- nCQLref) 在非调度周期内, 则在所述下行子帧 (n_ nCQI_ref) 内停止工业科学医学 (ISM) 系统内的上行数据传输, 以使所述下行子帧 (n- nCQIrei) 满足 有效下行子帧的第二条件。
在该步骤 203中, 根据接收到的长期演进 (LTE) 系统和工业科学医学 (ISM) 系统的 时间分配信息 (TDM pattern) 判断所述下行子帧 n_ neQI― ^是否在非调度周期内。
步骤 204, 以所述下行子帧作为所述信道状态信息时域参考资源在所述上行子帧上报 信道状态信息。 其中, 上报信道状态信息是指利用所述信道状态信息时域参考资源计算所 述上行子帧 n上报的信道状态信息(CSI)值, 该信道状态信息值与信道质量索引值相对应, 发送相应的信道质量索引值 (CQIindex) 。
在上述步骤 202中, 在寻找符合有效下行子帧第一条件的下行子帧 (n- nrairef) 时, 所 述有效下行子帧的第一条件为:
(1) 该子帧被配置为下行子帧并且, (2) 该子帧不是多播广播单频网络 (MBSFN) 子帧并且, (3) 如果下行导频时隙 (DwPTS) 的长度小于等于 7680 (其中 Ts为基本时 间单元,其长度为 1/(15000*2048)秒) , 该子帧不包含 DwPTS并且, (4) 该子帧不在测量 间隔内并且, (5) 对于周期 CSI, 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI的关 联的子帧集。
所述第二条件为: 若该下行子帧在非调度周期内, 则在该下行子帧内用户设备 (UE) 没有进行 ISM系统的上行数据传输。
其中所述步骤 203还包括, 若所述下行子帧在非调度周期内, 则取消步骤 204, 即取消 以所述下行子帧作为所述信道状态信息时域参考资源计算所述上行子帧 n上报的信道状态 信息 (CSI) 值, 并取消在所述上行子帧发送相应的信道质量索引值。
其中所述步骤 203还包括, 若所述下行子帧在非调度周期内, 则在所述上行子帧发送 特定的信道质量索引值, 例如该特定的信道质量索引值可以为 0, 以通知基站作为信道状 态信息时域参考资源的下行子帧在非调度周期之内。
通过上述实施例, 可以避免 ISM系统上行信号对计算 CSI造成的干扰, 保证后继资源调 度的可靠性。 实施例二
如图 3所示为本发明实施例一种终端设备周期性信道状态信息报告方法的流程图。 该方法包括步骤 301, 根据周期信道状态信息报告的配置参数, 例如 CSI上报周期和偏 移值, 确定上报周期信道状态信息的上行子帧 n。
步骤 302, 寻找作为所述上报周期信道状态信息的上行子帧 n的信道状态信息时域参考 资源的有效下行子帧(n-nOTref) , 且只有当下行子帧满足了第一条件的同时还须满足第二 条件才构成有效下行子帧, 所述第二条件为该下行子帧在调度周期内。 其中 n为上报周期 信道状态信息的上行子帧, neQI— ^的值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref ) 同时 满足第一条件和第二条件的最小值。
步骤 303, 利用寻找到的有效下行子帧 (n-nOT— 作为信道状态信息时域参考资源在 所述上行子帧上报信道状态信息, 即, 利用所述信道状态信息时域参考资源计算所述上行 子帧 n上报的信道状态信息 (CSI ) 值, 该信道状态信息值与信道质量索引值相对应, 发送 相应的信道质量索引值 (CQIindex) 。
在所述步骤 302中, 在寻找所述信道状态信息时域参考资源的有效下行子帧(n-nrairef) 时, 所述第一条件为:
( 1 ) 该子帧被配置为下行子帧并且, (2 ) 该子帧不是多播广播单频网络 (MBSFN) 子帧并且, (3 ) 如果下行导频时隙 (DwPTS ) 的长度小于等于 7680 _rs (其中 Ts为基本时 间单元,其长度为 1/ (15000*2048)秒) , 该子帧不包含 DwPTS并且, (4) 该子帧不在测量 间隔内并且, (5) 对于周期 CSI , 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI的关 联的子帧集。
在上述步骤中, 根据接收到的长期演进系统和工业科学医学系统的时间分配信息确定 所述下行子帧是否在调度周期内。
在上述步骤 301之后还包括 , 获取信道状态信息上报指示参数 ( csi— report— indication) ;
根据该信道状态信息上报指示参数确定是否需要在所述上行子帧上报信道状态信息; 若所述信道状态信息上报指示参数为需要在所述上行子帧上报信道状态信息时, 则执 行步骤 302和 303;
若所述信道状态信息上报指示参数为不需要在所述上行子帧上报信道状态信息时, 则 取消步骤 302和 303, 即取消上报信道状态信息。
所述获取信道状态信息上报指示参数 (csi— r印 ort— indication) 可以在终端设备接 收基站为该终端设备配置用于 LTE系统和 ISM系统同时工作的时分复用模式 (TDM) 时进行 获取。 所述获取信道状态信息上报指示参数 (csi— report— indication) 还可以为判断终端 设备内共存的系统和业务, 根据所述终端设备共存的系统和业务确定的信道状态信息上报 指示参数, 当需要上报时, 在步骤 303中利用所述信道状态信息时域参考资源计算信道状 态信息, 在所述上行子帧 n发送相应的信道质量索引值; 否则取消利用寻找到的有效下行 子帧作为信道状态信息时域参考资源在所述上行子帧发送相应的信道质量索引值。
作为本发明进一步的实施例, 当终端设备处于长期演进和蓝牙系统的 VoIP (BT VoIP) 业务共存状态下, 需要进行信道状态信息上报; 当终端设备处于长期演进和蓝牙系统的多 媒体 (BT multimedia) 业务共存, 或者长期演进和无线局域网 (WLAN) 系统共存状态下, 不需要进行信道状态信息上报。
所述获取信道状态信息上报指示参数是指, 获取有效下行子帧的最大范围^^—^, 并 根据是否能够在子帧 (n-T)到子帧 (n-nOTmaJ之间寻找到符合有效下行子帧第一条件和第 二条件的有效下行子帧确定信道状态信息上报指示参数:
如果在子帧 (n-T)到子帧 (n-nraimaJ之间寻找到符合有效下行子帧第一条件和第二条 件的有效下行子帧, 则确定信道状态信息上报指示参数为需要进行信道状态信息上报; 否则, 则确定信道状态信息上报指示参数为不需要进行信道状态信息上报。
在所述步骤 302中, 根据接收到的长期演进 (LTE) 系统和工业科学医学 (ISM) 系统 的时间分配信息 (TDM pattern) 在下行子帧 (n_T) 到子帧 (n-neQIrei max)之间寻找符合有效 下行子帧第一条件和第二条件的有效的下行子帧。
通过上述实施例, 可以避免 ISM系统上行信号对计算 CSI造成的干扰, 保证后继资源调 度的可靠性, 又通过有效下行子帧的最大值的配置可以防止计算 CSI时的信道状态信息时 域参考资源过早, 造成 CSI计算结果不准确的问题。 实施例三
如图 4所示为本发明实施例一种基站控制终端设备进行周期性信道状态信息报告方法 的流程图。
该方法包括步骤 401, 给终端设备配置是否要求该终端设备上报信道状态信息的信道 状态信息上报指示参数。 该信道状态信息上报指示参数包括指示是否需要终端设备上报信 道状态信息的参数; 或者, 为有效下行子帧的最大范围。
该信道状态信息上报指示参数可以在为终端设备配置用于 LTE和 ISM同时工作的 TDM方 式时同时给终端设备配置该信道状态信息上报指示参数。 实施例四
如图 5所示为本发明实施例一种进行周期性信道状态信息报告的终端设备的结构示意 图。
该终端设备包括, 确定单元 501, 寻找单元 502, 判断单元 503, 停止单元 504, 上报单 元 505。 所述确定单元 501, 用于根据周期信道状态信息 (CSI) 报告的配置参数, 例如 CSI上 报周期和偏移值, 确定上报周期信道状态信息的上行子帧 n。
所述寻找单元 502, 用于寻找作为所述上报周期信道状态信息的上行子帧的信道状态 信息时域参考资源的符合有效下行子帧第一条件的下行子帧 (n- nCQIref) ; 其中 n为上报周 期信道状态信息的上行子帧, neQI― ^的值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref) 满 足第一条件的最小值,其中 T为终端设备处理物理下行控制信道的最大时延,例如可以取 4; 所述判断单元 503, 用于判断所述下行子帧是否在非调度周期内;
停止单元 504, 用于当所述判断单元判断出所述下行子帧在非调度周期内时, 在所述 下行子帧内停止工业科学医学系统内的上行数据传输, 以使所述下行子帧满足有效下行子 帧的第二条件;
上报单元 505, 以所述下行子帧作为信道状态信息时域参考资源在所述上行子帧上报 信道状态信息。
所述寻找单元 502寻找符合有效下行子帧第一条件的下行子帧 (n- nrairei) 时, 所述有 效下行子帧的第一条件为: :
(1) 该子帧被配置为下行子帧并且, (2) 该子帧不是多播广播单频网络 (MBSFN) 子帧并且, (3) 如果下行导频时隙 (DwPTS) 的长度小于等于 7680 (其中 Ts为基本时 间单元,其长度为 1/(15000*2048)秒) , 该子帧不包含 DwPTS并且, (4) 该子帧不在测量 间隔内并且, (5) 对于周期 CSI, 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI的关 联的子帧集。
所述有效下行子帧的第二条件为: 若该下行子帧在非调度周期内, 则在该下行子帧内 用户设备 (UE) 没有进行 ISM系统的上行数据传输。
所述判断单元 503还根据接收到的长期演进 (LTE) 系统和工业科学医学 (ISM) 系统 的时间分配信息 (TDM pattern) 判断下行子帧是否在非调度周期之内。
所述上报单元 505根据所述判断单元 503的判断结果, 如果当所述下行子帧 n- n —ref在 非调度周期内时, 所述上报单元 505取消在所述上行子帧上报信道状态信息; 或者所述上 报单元 505在所述上行子帧上报特定的信道质量索引值。
通过上述实施例, 可以避免 ISM系统上行信号对计算 CSI造成的干扰, 保证后继资源调 度的可靠性。 实施例五
如图 6所示为本发明实施例一种进行周期性信道状态信息报告的终端设备的结构示意 图。
该终端设备包括, 确定单元 601, 寻找单元 602, 计算单元 603。
所述确定单元 601, 用于根据周期信道状态信息报告的配置参数, 例如 CSI上报周期和 偏移值, 确定上报周期信道状态信息的上行子帧 n。
所述寻找单元 602, 用于寻找作为所述上报周期信道状态信息的上行子帧的信道状态 信息时域参考资源的有效下行子帧 n-neQIrei,且只有当下行子帧满足了第一条件的同时还须 满足第二条件才构成有效下行子帧, 所述第二条件为该下行子帧在调度周期内; 其中 n为 上报周期信道状态信息的上行子帧, neQI― ^的值为取值范围 [T,正无穷)内使子帧(n- nCQLref) 同时满足第一条件和第二条件的最小值。
所述计算单元 603, 用于利用寻找到的有效下行子帧作为信道状态信息时域参考资源 在所述上行子帧上报信道状态信息。
所述寻找单元 602寻找所述上报周期信道状态信息的上行子帧 n对应的信道状态信息 时域参考资源的有效下行子帧 (n-neQIref) 时, 所述有效下行子帧的第一条件为:
( 1 ) 该子帧被配置为下行子帧并且, (2 ) 该子帧不是多播广播单频网络 (MBSFN) 子帧并且, (3 ) 如果下行导频时隙 (DwPTS ) 的长度小于等于 7680 (其中 Ts为基本时 间单元,其长度为 1/ (15000*2048)秒) , 该子帧不包含 DwPTS并且, (4) 该子帧不在测量 间隔内并且, (5) 对于周期 CSI , 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI的关 联的子帧集。
还包括获取单元 604, 用于获取信道状态信息上报指示参数;
根据该信道状态信息上报指示参数确定是否需要在所述上行子帧上报信道状态信息; 若所述信道状态信息上报指示参数为需要在所述上行子帧上报信道状态信息时, 则通 知寻找单元 602寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域参考 资源的有效下行子帧 n-neQIrei,且只有当下行子帧满足了第一条件的同时还须满足第二条件 才构成有效下行子帧, 所述第二条件为该下行子帧在调度周期内, 并通知计算单元 603利 用寻找到的有效下行子帧作为信道状态信息时域参考资源在所述上行子帧上报信道状态 信息;
若所述信道状态信息上报指示参数为不需要在所述上行子帧上报信道状态信息时, 则 通知寻找单元 602取消寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时 域参考资源的有效下行子帧, 并通知计算单元 603取消利用寻找到的有效下行子帧作为信 道状态信息时域参考资源在所述上行子帧上报信道状态信息。
所述获取单元 604从基站为该终端设备配置的信道状态信息上报指示参数。
所述获取单元 604根据所述终端设备共存的系统和业务确定的信道状态信息上报指示 参数。 当终端设备处于长期演进和蓝牙系统的 VoIP业务共存状态下, 则确定信道状态信息 上报指示参数为需要进行信道状态信息上报; 当终端设备处于长期演进和蓝牙系统的多媒 体业务共存, 或者长期演进和无线局域网系统共存状态下, 则确定信道状态信息上报指示 参数为不需要进行信道状态信息上报。
所述获取单元 604获取有效下行子帧的最大范围 neQIref 并根据是否能够在子帧 (n-T) 到子帧 (n-neQIref―皿)之间寻找到符合有效下行子帧第一条件和第二条件的有效下行子帧确 定信道状态信息上报指示参数:
如果在子帧 (n-T)到子帧 (n-nrairei―皿)之间寻找到符合有效下行子帧第一条件和第二条 件的有效下行子帧, 则确定信道状态信息上报指示参数为需要进行信道状态信息上报; 否则, 则确定信道状态信息上报指示参数为不需要进行信道状态信息上报。
通过上述实施例, 可以避免 ISM系统上行信号对计算 CSI造成的干扰, 保证后继资源调 度的可靠性, 又通过有效下行子帧的最大值的配置可以防止计算 CSI时的信道状态信息时 域参考资源过早, 造成 CSI计算结果不准确的问题。 实施例六
如图 7所示为本发明实施例一种控制终端设备进行周期性信道状态信息报告的基站结 构示意图。
该基站包括配置单元 701, 用于给终端设备配置是否要求该终端设备上报信道状态信 息的信道状态信息上报指示参数。
所述信道状态信息上报指示参数包括, 指示是否需要终端设备上报信道状态信息的参 数; 或者, 为有效下行子帧的最大范围。
实施例七
如图 8所示为本发明实施例一种终端设备周期性信道状态信息报告方法的流程图。 包括步骤 801, 终端设备 (UE) 根据基站为其配置的周期 CSI报告参数中的 CSI上报周 期和偏移值, 提前判断出需要在调度周期的上行子帧 n上报周期 CSI。
步骤 802, UE进一步根据有效下行子帧的第一条件寻找出下行子帧(n- nOTref)。其中, 所述判断一个子帧是否为有效下行子帧的第一条件为: (1) 该子帧被配置为下行子帧并 且, (2)该子帧不是多播广播单频网络(MBSFN)子帧并且, (3)如果下行导频时隙(DwPTS) 的长度小于等于 7680 (其中 Ts为基本时间单元,其长度为 1/(15000*2048)秒) , 该子帧 不包含 DwPTS并且, (4) 该子帧不在测量间隔内并且, (5) 对于周期 CSI, 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI的关联的子帧集。 其中, nOT— ^的值为取值范围 [4, 正 无穷)内使子帧 n- nCQIrei满足第一条件的最小值, 在本例中取值范围内的 4为终端设备处理 物理下行控制信道的最大时延。
步骤 803, UE进一步根据基站为其配置的用于解决 LTE系统和 ISM系统之间干扰共存问 题的时间分配信息 (TDM pattern) 判断该下行子帧 (n_ nrairef) 是否在非调度周期内。 如 果不在非调度周期内, 则执行步骤 805; 如果在所述非调度周期内则需要执行步骤 804以使 该下行子帧 (n- nCQLref) 满足第二条件构成有效下行子帧, 即: 若该下行子帧在非调度周 期内, 则在该下行子帧内用户设备 (UE) 没有进行 ISM的上行传输。
步骤 804, UE在下行子帧 (n- nCQI_ref) 内停止 ISM系统的上行数据传输, 以该下行子帧 (n- nCQLref) 作为 CSI时域参考资源, 在所述上行子帧 n上报 CSI值对应的信道质量索引值 (CQI index) 。
步骤 805, UE在计算上行子帧 n上报的 CSI时, 以有效下行子帧 (n- nmref) 作为 CSI时 域参考资源, 在所述上行子帧 n上报 CSI值对应的信道质量索引值 (CQI index) 。 如图 9a和图 9b所示为本发明实施例基站为 UE配置的用于解决 LTE系统和 ISM系统干扰 共存问题的 TDM pattern的示意图。 其中根据基站为 UE配置的周期 CSI报告参数中的 CSI报 告周期和偏移值, 确定在 LTE调度周期的上行子帧 n为上报 CSI的子帧。
如图 9a所示, 子帧 (n-4) 、 子帧 (n_5) 和子帧 (n_6) 不满足第一条件, 例如所述 三个子帧为基站为该 UE配置的测量周期中的三个子帧, 或者所述三个子帧为基站为该 UE配 置的上行子帧, 而子帧 (n-7) 满足第一条件。 那么符合第一条件, 且距离下行子帧 n-4最 近的下行子帧为子帧 (n-7) 。 因此 UE在计算上行子帧 n上报的 CSI时, 以下行子帧 (n_ 7) 作为 CSI时域参考资源计算 CSI的值, 并在所述上行子帧 n上报 CSI值对应的 CQI indexo 如图 9b所示, 子帧 (n-4) 满足第一条件且该子帧在非调度周期内。 因此 UE需要进一 步使该下行子帧满足第二条件: 在该下行子帧内用户设备 (UE) 没有进行 ISM的上行传输。 为满足这一条件, UE在下行子帧 (n- nmref) 内自动停止 ISM系统的上行数据传输。 UE在计 算上行子帧 n上报的 CSI时, 以下行子帧 (n- 4) 作为 CSI时域参考资源计算 CSI的值, 并在 所述上行子帧 n上报与 CSI值对应的 CQI indexo 实施例八
如图 10所示为本发明实施例一种终端设备周期性信道状态信息报告方法的流程图。 包括步骤 1001, 终端设备 (UE) 根据基站为其配置的周期 CSI报告参数中的 CSI上报周 期和偏移值, 提前判断出需要在调度周期的上行子帧 n上报周期 CSI。
步骤 1002, UE进一步根据有效下行子帧的第一条件寻找出下行子帧 (n- nCQLref) 。 其 中, 所述判断一个子帧是否为有效下行子帧的第一条件为: (1) 该子帧被配置为下行子 帧并且, (2) 该子帧不是多播广播单频网络 (MBSFN) 子帧并且, (3) 如果下行导频时 隙 (DwPTS) 的长度小于等于 7680 (其中 Ts为基本时间单元,其长度为 1/ (15000*2048) 秒) , 该子帧不包含 DwPTS并且, (4) 该子帧不在测量间隔内并且, (5) 对于周期 CSI, 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI的关联的子帧集。 其中, neQIref 值为取 值范围 [4, 正无穷)内使子帧 n- nrairef满足第一条件的最小值, 在本例中取值范围内的 4为 终端设备处理物理下行控制信道的最大时延。
步骤 1003, UE进一步根据基站为其配置的用于解决 LTE系统和 ISM系统之间干扰共存问 题的时间分配信息 (TDM pattern) 判断该下行子帧 (n_ nrairef) 是否在非调度周期内。 如 果不在非调度周期内, 则执行步骤 1005; 如果在所述非调度周期内则执行步骤 1004。
步骤 1004, UE取消在所述上报周期信道状态信息的上行子帧 n上报信道状态信息, 即 可以取消在所述上报周期信道状态信息的上行子帧 n发送信道质量索引值; 或者还可以取 消利用下行子帧 (n- n —ref) 作为 CSI时域参考资源计算 CSI的值的步骤, 同时取消在所述 上报周期信道状态信息的上行子帧 n发送信道质量索引值。
步骤 1005, UE在所述上报周期信道状态信息的上行子帧 n上报信道状态信息, UE在计 算上行子帧 n上报的 CSI时, 以有效下行子帧 (n- nCQLref) 作为 CSI时域参考资源计算 CSI的 值, 并在所述上行子帧 n上报 CSI值对应的 CQI indexo 如图 9a和图 9b所示为本发明实施例基站为 UE配置的用于解决 LTE系统和 ISM系统干扰 共存问题的 TDM pattern的示意图。 其中根据基站为 UE配置的周期 CSI报告参数中的 CSI报 告周期和偏移值, 确定在 LTE调度周期的上行子帧 n为上报 CSI的子帧。
如图 9a所示, 子帧 (n-4) 、 子帧 (n_5 ) 和子帧 (n_6 ) 不满足第一条件, 例如所述 三个子帧为基站为该 UE配置的测量周期中的三个子帧, 或者所述三个子帧为基站为该 UE配 置的上行子帧, 而子帧 (n-7) 满足第一条件。 那么符合第一条件, 且距离下行子帧 n-4最 近的下行子帧为子帧(n-7)。 因此 UE在计算上行子帧 n上报的 CSI值时, 以下行子帧(n_ 7) 作为 CSI时域参考资源计算 CSI的值, 并在所述上行子帧 n上报 CSI值对应的 CQI indexo 如图 9b所示, 子帧 (n-4) 满足第一条件且该子帧在非调度周期内。 因此 UE取消在所 述上报周期信道状态信息的上行子帧 n发送信道质量索引值。 实施例九
如图 11所示为本发明实施例一种终端设备周期性信道状态信息报告方法的流程图。 包括步骤 1101, 终端设备 (UE) 根据基站为其配置的周期 CSI报告参数中的 CSI上报周 期和偏移值, 提前判断出需要在调度周期的上行子帧 n上报周期 CSI。
步骤 1102, UE进一步根据有效下行子帧的第一条件寻找出下行子帧 (n- nCQLref) 。 其 中, 所述判断一个子帧是否为有效下行子帧的第一条件为: (1 ) 该子帧被配置为下行子 帧并且, (2 ) 该子帧不是多播广播单频网络 (MBSFN) 子帧并且, (3) 如果下行导频时 隙 (DwPTS ) 的长度小于等于 7680 (其中 Ts为基本时间单元,其长度为 1/ (15000*2048) 秒) , 该子帧不包含 DwPTS并且, (4) 该子帧不在测量间隔内并且, (5) 对于周期 CSI , 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI的关联的子帧集。 其中, neQIref 值为取 值范围 [4, 正无穷)内使子帧 n- nrairei满足第一条件的最小值, 在本例中取值范围内的 4为 终端设备处理物理下行控制信道的最大时延。
步骤 1103, UE进一步根据基站为其配置的用于解决 LTE系统和 ISM系统之间干扰共存问 题的时间分配信息 (TDM pattern) 判断该下行子帧 (n_ nrairef) 是否在非调度周期内。 如 果不在非调度周期内, 则执行步骤 1105; 如果在所述非调度周期内则执行步骤 1104。
步骤 1104, UE在所述上报周期信道状态信息的上行子帧 n发送信道质量索引值" 0", 该信道质量索引值代表了通知基站作为信道状态信息时域参考资源的下行子帧在非调度 周期之内。
步骤 1105, UE在所述上报周期信道状态信息的上行子帧 n上报信道状态信息, UE在计 算上行子帧 n上报的 CSI时, 以有效下行子帧 (n- nCQLref) 作为 CSI时域参考资源计算 CSI的 值, 并在所述上行子帧 n上报 CSI值对应的 CQI indexo
如图 9a和图 9b所示为本发明实施例基站为 UE配置的用于解决 LTE系统和 ISM系统干扰 共存问题的 TDM pattern的示意图。 其中根据基站为 UE配置的周期 CSI报告参数中的 CSI报 告周期和偏移值, 确定在 LTE调度周期的上行子帧 n为上报 CSI的子帧。
如图 9a所示, 子帧 (n-4) 、 子帧 (n_5 ) 和子帧 (n_6 ) 不满足第一条件, 例如所述 三个子帧为基站为该 UE配置的测量周期中的三个子帧, 或者所述三个子帧为基站为该 UE配 置的上行子帧, 而子帧 (n-7) 满足第一条件。 那么符合第一条件, 且距离下行子帧 n-4最 近的下行子帧为子帧 (n-7) 。 因此 UE在计算上行子帧 n上报的 CSI时, 以下行子帧 (n_ 7) 作为 CSI时域参考资源计算 CSI的值, 并在所述上行子帧 n上报 CSI值对应的 CQI indexo 如图 9b所示, 子帧 (n-4) 满足第一条件且该子帧在非调度周期内。 因此 UE在所述上 报周期信道状态信息的上行子帧 n发送信道质量索引值" 0" 。
实施例十
如图 12所示为本发明实施例一种终端设备周期性信道状态信息报告方法的流程图。 包括步骤 1201, 终端设备 (UE) 根据基站为其配置的周期 CSI报告参数中的 CSI上报周 期和偏移值, 提前判断出需要在调度周期的上行子帧 n上报周期 CSI。
步骤 1202, UE通过基站为其配置的用于解决 LTE和 ISM系统干扰共存问题的 TDM方式时 获取信道状态信息上报指示参数 (csi— report— indication) , 利用该指示参数 UE和基站 可以知道是否需要在调度周期内某个子帧上报信道状态信息。
或者, 在本实施例中, UE和基站还可以根据 UE内共存的系统和业务来确定信道状态信 息上报指示参数, 例如当 UE处于长期演进 (LTE) 和蓝牙系统 VoIP (BT VoIP) 业务共存状 态时,需要上报信道状态信息;当 UE处于长期演进(LTE)和蓝牙系统多媒体 (BT multimedia) 业务共存状态时, 或者长期演进 (LTE) 和无线局域网 (WLAN) 共存状态时, 不上报信道 状态信息。
步骤 1203, 判断该信道状态信息上报指示参数 (csi— report— indication) 是否要求 上报信道状态信息, 如果需要, 则进入步骤 1204, 否则进入步骤 1206。
步骤 1204, 寻找符合第一条件和第二条件的有效下行子帧(n-nrairef) 。 该有效下行子 帧是作为所述上报周期信道状态信息的上行子帧 n对应的信道状态信息时域参考资源的子 帧。 其中, nOT— ^的值为取值范围 [4, 正无穷)内使子帧 n- rei同时满足第一条件和第二 条件的最小值, 在本例中取值范围内的 4为终端设备处理物理下行控制信道的最大时延。
其中, 判断一个子帧是否为有效下行子帧的所述第一条件为:
(1) 该子帧被配置为下行子帧并且, (2) 该子帧不是多播广播单频网络 (MBSFN) 子帧并且, (3) 如果下行导频时隙 (DwPTS) 的长度小于等于 7680_rs (其中 Ts为基本时 间单元,其长度为 1/(15000*2048)秒) , 该子帧不包含 DwPTS并且, (4) 该子帧不在测量 间隔内并且, (5) 对于周期 CSI, 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI的关 联的子帧集。
判断一个下行子帧是否为有效下行子帧的第二条件为:
该下行子帧不在非调度周期内。
步骤 1205, UE在所述上报周期信道状态信息的上行子帧 n上报信道状态信息, 即利用 寻找到的有效下行子帧 (n—nmref) 作为信道状态信息时域参考资源计算所述上行子帧 n上 报的 CSI值, 并在所述上行子帧 n上报 CSI值对应的 CQI indexo
步骤 1206, UE取消在所述上报周期信道状态信息的上行子帧 n上报信道状态信息, 即 UE可以取消在所述上报周期信道状态信息的上行子帧 n发送信道质量索引值; 或者还可以 取消利用下行子帧 (n- nCQLref) 作为 CSI时域参考资源计算 CSI的值的步骤, 同时取消在所 述上报周期信道状态信息的上行子帧 n发送信道质量索引值。
如图 13所示为本发明实施基站为 UE配置的用于解决 LTE系统和 ISM系统干扰共存问题 的 TDM pattern的示意图。 其中根据基站为 UE配置的周期 CSI报告参数中的 CSI的报告周期 和偏移值, 在 LTE调度周期的上行子帧 n为上报 CSI的子帧。 假设下行子帧 (n-4) 为满足上 述第一条件的下行子帧。 因此根据现有 CSI时域参考资源的定义, 其时域参考资源为下行 子帧 (n-4) , 而该下行子帧在非调度周期内。 因此 UE需要根据信道状态信息上报指示参 数 (csi— report— indication) 来判断在上行子帧 n是否需要上报周期信道状态信息。 如果 csi— report— indication指示 UE需要在上行子帧 n上报信道状态信息, 那么 UE需要寻找距离 子帧 n-4最近的同时满足第一条件和第二条件的子帧来作为上行子帧 n上报的周期 CSI的时 域参考资源。 假设下行子帧 (n-7) 为距离子帧 (n-4) 最近的同时满足第一条件和第二条 件的下行子帧, 那么 UE利用下行子帧 (n-7) 作为信道状态信息时域参考资源计算所述上 行子帧 n上报的 CSI值, 并在所述上行子帧 n上报 CSI值对应的信道质量索引值。 如果 csi— report— indication指示 UE不需要在上行子帧 n上报周期信道状态信息, 那么 UE取消在 所述上报周期信道状态信息的上行子帧 n上报信道状态信息。 实施例 ^一
如图 14所示为本发明实施例一种终端设备周期性信道状态信息报告方法的流程图。 包括步骤 1401, 终端设备 (UE) 根据基站为其配置的周期 CSI报告参数中的 CSI上报周 期和偏移值, 提前判断出需要在调度周期的上行子帧 n上报周期 CSI。
步骤 1402, 获取基站为 UE配置的有效下行子帧的最大范围 neQIrefmax
步骤 1403, UE根据基站为其配置的用于解决 LTE和 ISM系统干扰共存问题的 TDM patteru 有效下行子帧的第一条件以及第二条件, 判断在下行子帧(n-4)到下行子帧(n-nrairef―,) 之间 (包括子帧 n-4和子帧 n-nOTrei max)是否能够寻找到同时满足第一条件和第二条件的用来 作为信道状态信息时域参考资源的有效下行子帧。 如果能够找到有效下行子帧, 则进入步 骤 1404, 否则进入步骤 1405。
其中, 判断一个子帧是否为有效下行子帧的第一条件为:
( 1 ) 该子帧被配置为下行子帧并且, (2 ) 该子帧不是多播广播单频网络 (MBSFN) 子帧并且, (3 ) 如果下行导频时隙 (DwPTS ) 的长度小于等于 7680 (其中 Ts为基本时 间单元,其长度为 1/ (15000*2048)秒) , 该子帧不包含 DwPTS并且, (4) 该子帧不在测量 间隔内并且, (5) 对于周期 CSI , 如果 UE配置了 CSI子帧集, 该子帧属于与上报的 CSI的关 联的子帧集。
判断一个下行子帧是否为有效下行子帧的第二条件为: 该下行子帧不在非调度周期内。
步骤 1404, UE在所述上报周期信道状态信息的上行子帧 n上报信道状态信息, 即 UE将 满足第一条件和第二条件的有效下行子帧 (n- neQIrei) 作为上行子帧 n上报的周期信道状态 信息的时域参考资源, 计算 CSI的值, 并在所述上报周期信道状态信息的上行子帧 n上报信 道质量索引值。 其中, 的值为取值范围 [4, ]内使下行子帧 n_ 同时满足 第一条件和第二条件的最小值, 在本例中取值范围内的 4为终端设备处理物理下行控制信 道的最大时延。
步骤 1405, UE取消在所述上报周期信道状态信息的上行子帧 n上报信道状态信息, 即 UE可以取消在所述上报周期信道状态信息的上行子帧 n发送信道质量索引值; 或者还可以 取消利用下行子帧 (n- nCQLref) 作为 CSI时域参考资源计算 CSI的值的步骤, 同时取消在所 述上报周期信道状态信息的上行子帧 n发送信道质量索引值。
如图 15a、 图 15b和图 15c所示为本发明实施基站为 UE配置的用于解决 LTE系统和 ISM系 统干扰共存问题的 TDM pattern的示意图。 其中根据基站为 UE配置的周期 CSI报告参数中的 CSI的报告周期和偏移值, 假设基站配置的有效下行子帧的最大范围 QIrefmax =8, 因此 UE需 要在子帧 [n-4, n-8]之间寻找同时满足第一条件和第二条件的有效下行子帧。
如图 15a所示,子帧 (n-4) , 子帧 (n_5 ) 和子帧 (n_6 ) 满足第一条件, 但不满足第 二条件。子帧(n-7)和子帧(n-8)同时满足第一条件和第二条件, 那么 UE选择子帧(n_7) 作为上行子帧 n上报的周期信道状态信息的时域参考资源, 并在上行子帧 n上报周期信道状 态信息。
如图 15b所示, 子帧 (n-4) ,子帧 (n-5 ) 和子帧 (n_6 ) 满足第一条件, 但不满足第 二条件。 子帧 (n-7) 和子帧 (n-8) 满足第二条件, 但不满足第一条件, 例如子帧 (n_7) 和子帧 (n-8 ) 为基站为该 UE配置的测量周期中的两个子帧, 或者所述两个子帧为基站为 该 UE配置的上行子帧。 那么 UE在子帧 [n-4, n-8]之间无法找到同时满足第一条件和第二条 件的有效下行子帧。 因此 UE取消在所述上报周期信道状态信息的上行子帧 n发送信道状态 信息。
如果 15c所示, 非调度周期的长度为 50ms, 在子帧 [n-4, n-8]之间的所有下行子帧都不 满足第二条件。 那么 UE在子帧 [n-4, n-8]之间无法找到同时满足第一条件和第二条件的有 效下行子帧。 因此 UE取消在所述上报周期信道状态信息的上行子帧 n发送信道状态信息。 实施例十二
本发明实施例还提供了一种计算机可读程序, 其中当在终端设备中执行该程序时, 该 程序使得计算机在所述终端设备中执行上述周期性信道状态信息报告方法。
本发明实施例还提供了一种存储有计算机可读程序的存储介质, 其中该计算机可读程 序使得计算机在所述终端设备中执行上述周期性信道状态信息报告方法。
本发明实施例还提供了一种计算机可读程序, 其中当在基站中执行该程序时, 该程序 使得计算机在所述基站中执行上述基站控制终端设备周期性信道状态信息报告方法。 本发明实施例还提供了一种存储有计算机可读程序的存储介质, 其中该计算机可读程 序使得计算机在基站中执行上述基站控制终端设备周期性信道状态信息报告方法。
通过本发明装置的实施例可以避免 ISM系统上行信号对计算 CSI造成的干扰, 保证后继 资源调度的可靠性, 又通过有效下行子帧的最大值的配置可以防止计算 CSI时的信道状态 信息时域参考资源过早, 造成 CSI计算结果不准确的问题。
本发明以上的装置和方法可以由硬件实现, 也可以由硬件结合软件实现。 本发明涉及 这样的计算机可读程序, 当该程序被逻辑部件所执行时, 能够使该逻辑部件实现上文所述 的装置或构成部件, 或使该逻辑部件实现上文所述的各种方法或步骤。 逻辑部件例如现场 可编程逻辑部件、 微处理器、 计算机中使用的处理器等。 本发明还涉及用于存储以上程序 的存储介质, 如硬盘、 磁盘、 光盘、 DVD、 flash存储器等。
以上所述的具体实施例, 对本发明的目的、 技术方案和有益效果进行了进一步详细说 明, 所应理解的是, 以上所述仅为本发明的具体实施例而已, 并不用于限定本发明的保护 范围, 凡在本发明的精神和原则之内, 所做的任何修改、 等同替换、 改进等, 均应包含在 本发明的保护范围之内。

Claims

权 利 要 求 书
1.一种终端设备周期性信道状态信息报告方法, 该方法包括,
根据周期信道状态信息报告的参数确定上报周期信道状态信息的上行子帧; 寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域参考资源的符 合有效下行子帧第一条件的下行子帧 ( n- nCQIref ) 其中 n为上报周期信道状态信息的上行 子帧, nrai― ^的值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref ) 满足第一条件的最小值, 其中 T为终端设备处理物理下行控制信道的最大时延;
若所述下行子帧在非调度周期内, 则在所述下行子帧内停止工业科学医学系统内的上 行数据传输, 以使所述下行子帧满足有效下行子帧的第二条件;
以所述下行子帧作为信道状态信息时域参考资源在所述上行子帧上报信道状态信息。
2.根据权利要求 1所述的方法, 其中, 所述有效下行子帧的第一条件为: 该子帧被配 置为下行子帧并且; 该子帧不是多播广播单频网络子帧并且; 如果下行导频时隙的长度小 于等于 7680 _ 7 , 其中 Ts为基本时间单元,其长度为 1/ ( 15000*2048)秒, 该子帧不包含下行 导频时隙并且; 该子帧不在测量间隔内并且; 对于周期信道状态信息, 如果终端设备配置 了信道状态信息子帧集, 该子帧属于与上报的信道状态信息的关联的子帧集。
3.根据权利要求 2所述的方法, 其中, 所述有效下行子帧的第二条件为: 若该下行子 帧在非调度周期内, 则在该下行子帧内终端设备没有进行工业科学医学系统上行数据传 输。
4.根据权利要求 1所述的方法, 其中, 若所述下行子帧在非调度周期内, 则取消以所 述下行子帧作为所述信道状态信息时域参考资源在所述上行子帧上报信道状态信息。
5.根据权利要求 1所述的方法, 其中, 若所述下行子帧在非调度周期内, 则在所述上 行子帧上报特定的信道质量索引值。
6.根据权利要求 1所述的方法, 其中, 根据接收到的长期演进系统和工业科学医学系 统的时间分配信息确定所述下行子帧是否在非调度周期内。
7.一种终端设备周期性信道状态信息报告方法, 该方法包括,
根据周期信道状态信息报告的参数确定上报周期信道状态信息的上行子帧; 寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域参考资源的有 效下行子帧 n-nrairei,且只有当下行子帧满足了第一条件的同时还须满足第二条件才构成有 效下行子帧, 所述第二条件为该下行子帧在调度周期内; 其中 n为上报周期信道状态信息 的上行子帧, nrai― ^的值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref ) 同时满足第一条件 和第二条件的最小值, 其中 T为终端设备处理物理下行控制信道的最大时延;
利用寻找到的有效下行子帧作为信道状态信息时域参考资源在所述上行子帧上报信 道状态信息。
8.根据权利要求 7所述的方法, 其中, 所述有效下行子帧的第一条件为: 该子帧被配 置为下行子帧并且; 该子帧不是多播广播单频网络子帧并且; 如果下行导频时隙的长度小 于等于 7680 _ 7 , 其中 Ts为基本时间单元,其长度为 1/ (15000*2048)秒, 该子帧不包含下行 导频时隙并且; 该子帧不在测量间隔内并且; 对于周期信道状态信息, 如果终端设备配置 了信道状态信息子帧集, 该子帧属于与上报的信道状态信息的关联的子帧集。
9.根据权利要求 7所述的方法, 其中根据接收到的长期演进系统和工业科学医学系统 的时间分配信息确定所述下行子帧是否在调度周期内。
10.根据权利要求 7所述的方法, 其中, 在根据周期信道状态信息报告的参数确定上报 周期信道状态信息的上行子帧之后还包括,
获取信道状态信息上报指示参数;
根据该信道状态信息上报指示参数确定是否需要在所述上行子帧上报信道状态信息; 若所述信道状态信息上报指示参数为需要在所述上行子帧上报信道状态信息时, 则寻 找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域参考资源的有效下行 子帧 n-neQIref,且只有当下行子帧满足了第一条件的同时还须满足第二条件才构成有效下行 子帧, 所述第二条件为该下行子帧在调度周期内, 并利用寻找到的有效下行子帧作为信道 状态信息时域参考资源在所述上行子帧上报信道状态信息;
若所述信道状态信息上报指示参数为不需要在所述上行子帧上报信道状态信息时, 则 取消寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域参考资源的有 效下行子帧, 并取消利用寻找到的有效下行子帧作为信道状态信息时域参考资源在所述上 行子帧上报信道状态信息。
11.根据权利要求 10所述的方法, 其中, 所述获取信道状态信息上报指示参数是指终 端设备获取基站为其配置的信道状态信息上报指示参数。
12.根据权利要求 10所述的方法, 其中, 所述获取信道状态信息上报指示参数是指根 据所述终端设备共存的系统和业务确定的信道状态信息上报指示参数。
13.根据权利要求 12所述的方法, 其中, 当终端设备处于长期演进和蓝牙系统的 VoIP 业务共存状态下, 则确定信道状态信息上报指示参数为需要进行信道状态信息上报; 当终 端设备处于长期演进和蓝牙系统的多媒体业务共存, 或者长期演进和无线局域网系统共存 状态下, 则确定信道状态信息上报指示参数为不需要进行信道状态信息上报。
14.根据权利要求 10所述的方法, 其中, 所述获取信道状态信息上报指示参数是指, 获取有效下行子帧的最大范围 neQIref 并根据是否能够在子帧 (n-T)到子帧 (n-neQIref 之 间寻找到符合有效下行子帧第一条件和第二条件的有效下行子帧确定信道状态信息上报 指示参数:
如果在子帧 (n-T)到子帧 (n-neQIref皿)之间寻找到符合有效下行子帧第一条件和第二条 件的有效下行子帧, 则确定信道状态信息上报指示参数为需要进行信道状态信息上报; 否则, 则确定信道状态信息上报指示参数为不需要进行信道状态信息上报。
15. 一种基站控制终端设备进行周期性信道状态信息报告方法, 该方法包括, 给终端设备配置是否要求该终端设备上报信道状态信息的信道状态信息上报指示参 数。
16.根据权利要求 15所述的方法, 其中, 所述信道状态信息上报指示参数包括, 指示 是否需要终端设备上报信道状态信息的参数; 或者, 为有效下行子帧的最大范围。
17.一种进行周期性信道状态信息报告的终端设备, 该终端设备包括,
确定单元, 用于根据周期信道状态信息报告的参数确定上报周期信道状态信息的上行 子帧;
寻找单元, 用于寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域 参考资源的符合有效下行子帧第一条件的下行子帧 ( n- nCQIref ) 其中 n为上报周期信道状 态信息的上行子帧, nOTrei 值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref ) 满足第一条 件的最小值, 其中 τ为终端设备处理物理下行控制信道的最大时延;
判断单元, 用于判断所述下行子帧是否在非调度周期内;
停止单元, 用于当所述判断单元判断出所述下行子帧在非调度周期内时, 在所述下行 子帧内停止工业科学医学系统内的上行数据传输, 以使所述下行子帧满足有效下行子帧的 第二条件;
上报单元, 以所述下行子帧作为信道状态信息时域参考资源在所述上行子帧上报信道 状态信息。
18.根据权利要求 17所述的终端设备, 其中, 所述有效下行子帧的第一条件为: 该子 帧被配置为下行子帧并且; 该子帧不是多播广播单频网络子帧并且; 如果下行导频时隙的 长度小于等于 7680 · 7;, 其中 Ts为基本时间单元,其长度为 1/ ( 15000*2048)秒, 该子帧不包 含下行导频时隙并且; 该子帧不在测量间隔内并且; 对于周期信道状态信息, 如果终端设 备配置了信道状态信息子帧集, 该子帧属于与上报的信道状态信息的关联的子帧集。
19.根据权利要求 17所述的终端设备, 其中, 所述有效下行子帧的第二条件为: 若该 下行子帧在非调度周期内, 则在该下行子帧内终端设备没有进行工业科学医学系统的上行 数据传输。
20.根据权利要求 17所述的终端设备, 其中, 当所述判断单元判断出所述下行子帧 n- nCQIrei在非调度周期内时, 所述上报单元取消在所述上行子帧上报信道状态信息。
21.根据权利要求 17所述的终端设备,其中, 当所述判断单元判断出所述下行子帧 n- nCQIref在非调度周期内时, 所述上报单元在所述上行子帧上报特定的信道质量索引值。
22.一种进行周期性信道状态信息报告的终端设备, 该终端设备包括:
确定单元, 用于根据周期信道状态信息报告的配置参数确定上报周期信道状态信息的 上行子帧;
寻找单元, 用于寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域 参考资源的有效下行子帧 n-neQIref,且只有当下行子帧满足了第一条件的同时还须满足第二 条件才构成有效下行子帧, 所述第二条件为该下行子帧在调度周期内; 其中 n为上报周期 信道状态信息的上行子帧, neQI— ^的值为取值范围 [T, 正无穷)内使子帧 (n- nCQI_ref ) 同时 满足第一条件和第二条件的最小值, 其中 T为终端设备处理物理下行控制信道的最大时延; 计算单元, 用于利用寻找到的有效下行子帧作为信道状态信息时域参考资源在所述上 行子帧上报信道状态信息。
23.根据权利要求 22所述的终端设备, 其中, 所述有效下行子帧的第一条件为: 该子 帧被配置为下行子帧并且; 该子帧不是多播广播单频网络子帧并且; 如果下行导频时隙的 长度小于等于 7680 · 7;, 其中 Ts为基本时间单元,其长度为 1/ (15000*2048)秒, 该子帧不包 含下行导频时隙并且; 该子帧不在测量间隔内并且; 对于周期信道状态信息, 如果终端设 备配置了信道状态信息子帧集, 该子帧属于与上报的信道状态信息的关联的子帧集。
24.根据权利要求 22所述的终端设备, 其中, 还包括获取单元, 用于获取信道状态信 息上报指示参数;
根据该信道状态信息上报指示参数确定是否需要在所述上行子帧上报信道状态信息; 若所述信道状态信息上报指示参数为需要在所述上行子帧上报信道状态信息时, 则通 知寻找单元寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域参考资 源的有效下行子帧 n-neQIref,且只有当下行子帧满足了第一条件的同时还须满足第二条件才 构成有效下行子帧, 所述第二条件为该下行子帧在调度周期内, 并通知计算单元利用寻找 到的有效下行子帧作为信道状态信息时域参考资源在所述上行子帧上报信道状态信息; 若所述信道状态信息上报指示参数为不需要在所述上行子帧上报信道状态信息时, 则 通知寻找单元取消寻找作为所述上报周期信道状态信息的上行子帧的信道状态信息时域 参考资源的有效下行子帧, 并通知计算单元取消利用寻找到的有效下行子帧作为信道状态 信息时域参考资源在所述上行子帧上报信道状态信息。
25.根据权利要求 24所述的终端设备, 其中, 所述获取单元获取基站为该终端设备配 置的信道状态信息上报指示参数。
26.根据权利要求 24所述的终端设备, 其中, 所述获取单元根据所述终端设备共存的 系统和业务确定信道状态信息上报指示参数。
27.根据权利要求 26所述的终端设备, 其中, 所述获取单元当终端设备处于长期演进 和蓝牙系统的 VoIP业务共存状态下, 则确定信道状态信息上报指示参数为需要进行信道状 态信息上报; 当终端设备处于长期演进和蓝牙系统的多媒体业务共存, 或者长期演进和无 线局域网系统共存状态下, 则确定信道状态信息上报指示参数为不需要进行信道状态信息 上报。
28.根据权利要求 24所述的终端设备, 其中, 所述获取单元获取有效下行子帧的最大 范围 neQIref 并根据是否能够在子帧 (n-T)到子帧 (n-neQIref皿)之间寻找到符合有效下行子 帧第一条件和第二条件的有效下行子帧确定信道状态信息上报指示参数:
如果在子帧 (n-T)到子帧 (n-neQIref皿)之间寻找到符合有效下行子帧第一条件和第二条 件的有效下行子帧, 则确定信道状态信息上报指示参数为需要进行信道状态信息上报; 否则, 则确定信道状态信息上报指示参数为不需要进行信道状态信息上报。
29.—种控制终端设备周期性信道状态信息报告的基站, 该基站包括:
配置单元, 用于给终端设备配置是否要求该终端设备上报信道状态信息的信道状态信 息上报指示参数。
30.根据权利要求 29所述的基站, 其中, 所述信道状态信息上报指示参数包括, 指示 是否需要终端设备上报信道状态信息的参数; 或者, 为有效下行子帧的最大范围。
31.—种计算机可读程序, 其中当在终端设备中执行该程序时, 该程序使得计算机在 所述终端设备中执行上述权利要求 1-14任意一项中的周期性信道状态信息报告方法。
32.一种存储有计算机可读程序的存储介质, 其中该计算机可读程序使得计算机在所 述终端设备中执行上述权利要求 1-14任意一项中的周期性信道状态信息报告方法。
33.—种计算机可读程序, 其中当在基站中执行该程序时, 该程序使得计算机在所述 基站中执行上述权利要求 15-16中任意一项的基站控制终端设备周期性信道状态信息报告 方法。
34.一种存储有计算机可读程序的存储介质, 其中该计算机可读程序使得计算机在基 站中执行上述权利要求 15-16中任意一项的基站控制终端设备周期性信道状态信息报告方 法。
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