WO2014201778A1 - Procédé et dispositif de comptage sur la base d'un synchroniseur drx dans un mode tdd - Google Patents

Procédé et dispositif de comptage sur la base d'un synchroniseur drx dans un mode tdd Download PDF

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Publication number
WO2014201778A1
WO2014201778A1 PCT/CN2013/084330 CN2013084330W WO2014201778A1 WO 2014201778 A1 WO2014201778 A1 WO 2014201778A1 CN 2013084330 W CN2013084330 W CN 2013084330W WO 2014201778 A1 WO2014201778 A1 WO 2014201778A1
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WIPO (PCT)
Prior art keywords
subframe
radio frame
lte radio
flexible
subframes
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PCT/CN2013/084330
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English (en)
Chinese (zh)
Inventor
杨晓东
权威
张戬
胡振兴
纪鹏宇
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201380001731.1A priority Critical patent/CN104995974B/zh
Publication of WO2014201778A1 publication Critical patent/WO2014201778A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present invention relates to the field of communications, and in particular, to a DRX timer based counting method and apparatus based on a TDD mode. Background technique
  • the system in order to save battery consumption of user equipment (User Equipment, called UE, also called terminal), the system is configured with discontinuous reception (Discontinuous). Reception, the cartridge is called DRX) function.
  • the DRX can stop the UE from monitoring the physical downlink control channel (Physical Downlink Control Channel, called PDCCH) within a certain period of time.
  • PDCCH Physical Downlink Control Channel
  • the network side can configure the subframe in the LTE radio frame as a flexible subframe, that is, the subframe can be an uplink subframe or a downlink subframe, depending on the scheduling on the network side. In this way, the network side can adjust the uplink and downlink ratio of the UE in real time to meet the different requirements of different services for throughput and delay.
  • the network side configures the DRX function for the UE, for each timer, only the downlink subframe and the special subframe are counted because of the limitation of whether the PDCCH channel is monitored.
  • TDD Time Division Duplexing, time division
  • the TDD is a flexible ratio sub-frame. Because some sub-frames are configured as flexible sub-frames, it may be scheduled as an uplink sub-frame or as a downlink sub-frame.
  • the DRX function is enabled on the UE. In this case, the method of counting the partial subframes is not clarified in the prior art. Summary of the invention
  • the technical problem to be solved by the embodiments of the present invention is to provide a method based on the TDD mode. - -
  • the counting method and device of the DRX timer The problem that the DRX timer processes them in the case of adding TDD flexible ratio sub-frames based on the prior art can be solved, and the possible confusion can be avoided.
  • the first aspect of the present invention provides a method for counting a DRX timer based on a TDD mode, including: obtaining an LTE radio frame from a TDD time division duplex subframe configuration configuration information delivered by a base station Position information of the flexible matching subframe and the non-flexible matching subframe, where the non-flexible matching subframe includes an uplink subframe, a downlink subframe, and a special subframe;
  • the subframe specified in the LTE radio frame is counted according to the location information in a timing period set by the DRX timer.
  • the TDD time division duplex subframe configuration configuration information sent by the base station obtains a flexible ratio subframe and a non-flexibility ratio subframe in the LTE radio frame.
  • the steps for location information include:
  • the broadcast message includes at least one TDD subframe matching configuration information.
  • the step of counting, according to the location information, a subframe specified in the LTE radio frame in a timing period set by the DRX timer includes: :
  • the downlink subframe and the special subframe in the non-flexible ratio subframe in the LTE radio frame are counted in the timing period, and the other subframes are not counted.
  • the determining, according to the location information, in the LTE radio frame in a timing period set by the DRX timer include:
  • the subframes specified in each carrier are subjected to a union operation to generate a subframe set; - counting the subframes of the subframe set in the timing period set by the DRX timer according to the location information.
  • only one TDD uplink-downlink configuration is configured in the TDD subframe configuration information.
  • the step of counting, according to the location information, a subframe specified in the LTE radio frame in a timing period set by the DRX timer includes: :
  • the downlink subframe and the special subframe subframe in each carrier are combined to generate a subframe set
  • Subframes of the subframe set are counted according to the location information within a timing period set by the DRX timer.
  • the step of counting, according to the location information, a subframe specified in the LTE radio frame in a timing period set by the DRX timer includes: :
  • skipping in the timing period, the LTE radio frame, skipping the uplink subframe in the flexible subframe and the non-flexibility subframe that are scheduled as the uplink subframe, and performing the subframe on the other subframes count.
  • the step of counting, according to the location information, a subframe specified in the LTE radio frame in a timing period set by the DRX timer includes: :
  • the step of counting, according to the location information, a subframe specified in the LTE radio frame in a timing period set by the DRX timer includes: :
  • the downlink subframe and the special subframe in the flexible ratio subframe, the non-flexibility ratio subframe, and the special subframe in the LTE radio frame are counted in the timing period, and the other subframes are not counted.
  • the DRX timer includes any one of onDurationTimer, drx-Inactivity Timer, and drx-RetransmissionTimer.
  • the DRX timer includes any one of onDurationTimer, drx-Inactivity Timer, and drx-RetransmissionTimer.
  • the second aspect of the present invention further provides a DRX timer-based counting device based on the TDD mode, including:
  • the location information obtaining module obtains the location information of the flexible matching subframe and the non-flexible matching subframe in the LTE radio frame from the TDD time division duplex subframe matching configuration information delivered by the base station, where the non-flexible matching subframe includes the uplink Subframe, downlink subframe, and special subframe;
  • a designated subframe counting module configured to: when detecting that the DRX discontinuous reception status timer is started, counting the subframe specified in the LTE radio frame according to the location information in a timing period set by the DRX timer .
  • the specified subframe counting module includes: a first identifying unit, configured to identify, according to the location information, a flexible matching subframe in the LTE radio frame And non-flexible matching sub-frames;
  • a first counting unit configured to count downlink subframes and special subframes of the non-flexible matching subframes in the LTE radio frame in the timing period, and do not count other subframes.
  • the specified subframe counting module includes: a second identifying unit, configured to identify, in the LTE radio frame, the flexible in the LTE radio frame according to the location information - - matching sub-frames and non-flexible matching sub-frames;
  • a first determining unit configured to determine, according to a scheduling instruction sent by the base station, a flexible matching subframe that is scheduled to be an uplink subframe in the LTE radio frame;
  • a second counting unit configured to skip the uplink subframe in the flexible ratio subframe and the non-flexibility ratio subframe scheduled to be an uplink subframe when counting the LTE radio frame in the timing period , counting other sub-frames.
  • the specified subframe counting module includes: a third identifying unit, configured to identify, according to the location information, a flexible matching subframe in the LTE radio frame And non-flexible matching sub-frames
  • a second determining unit configured to determine, according to a scheduling instruction sent by the base station, a flexible matching subframe that is scheduled to be a downlink subframe in the radio frame;
  • a third counting unit configured to perform, in the timing period, the flexible matching subframe, the fixed downlink subframe, and the special subframe in the non-flexible subframe, where the downlink subframe is scheduled in the LTE radio frame Count, no counting for other sub-frames.
  • the specified subframe counting module includes: a fourth identifying unit, configured to identify, according to the location information, a flexible matching subframe in the LTE radio frame And non-flexible matching sub-frames;
  • a fourth counting unit configured to count, in the timing period, the uplink subframe and the special subframe in the flexible ratio subframe, the non-flexibility ratio subframe, and the special subframe in the LTE radio frame, and do not perform other subframes count.
  • the DRX timer includes any one of onDurationTimer, drx-InactivityTimer, and drx-RetransmissionTimer One.
  • a third aspect of the present invention provides a DRX timer-based counting device based on a TDD mode, including a processor, a memory, an input device, and an output device, wherein the memory stores a set of program codes, and the processor is configured to call the memory.
  • the stored program code is used to perform the following operations: obtaining the location information of the flexible matching subframe and the non-flexible matching subframe in the LTE radio frame from the TDD time division duplex subframe matching configuration information delivered by the base station, which is not flexible
  • the matching subframe includes an uplink subframe, a downlink subframe, and a special subframe; - - When detecting that the DRX discontinuous reception status timer is started, counting the subframe specified in the LTE radio frame in the timing period set by the DRX timer according to the location information.
  • the processor performs, according to the location information, a subframe specified in the LTE radio frame in a timing period set by the DRX timer
  • the steps to count include:
  • the downlink subframe and the special subframe in the non-flexible ratio subframe in the LTE radio frame are counted in the timing period, and the other subframes are not counted.
  • the step of the processor performing the counting according to the bit includes:
  • skipping in the timing period, the LTE radio frame, skipping the uplink subframe in the flexible subframe and the non-flexibility subframe that are scheduled as the uplink subframe, and performing the subframe on the other subframes count.
  • the step of the processor performing counting according to the bit includes:
  • the flexible ratio subframe, the downlink subframe, and the special subframe in the non-flexibility subframe in the LTE radio frame, and the other subframes Do not count.
  • the processor performs the The steps to count include:
  • the downlink subframe and the special subframe in the flexible ratio subframe, the non-flexibility ratio subframe, and the special subframe in the LTE radio frame are counted in the timing period, and the other subframes are not counted.
  • FIG. 1 is a schematic flowchart of a counting method based on a DRX timer in a TDD mode according to a first embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of an LTE radio frame in FIG. 1;
  • FIG. 3 is a schematic flow chart of a counting method based on a DRX timer in a TDD mode according to a second embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of an LTE radio frame in FIG. 3;
  • FIG. 5 is a schematic flowchart of a method based on a DRX timer based counting method in a TDD mode according to a third embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of an LTE radio frame in FIG. 5;
  • FIG. 7 is a schematic flow chart of a counting method based on a DRX timer in a TDD mode according to a third embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of an LTE radio frame in FIG. 7;
  • FIG. 9 is a DRX timer-based counting device based on TDD mode according to an embodiment of the present invention. - - a schematic diagram of the structure;
  • FIG. 10 is a schematic structural diagram of a first embodiment of a designated subframe counting module in FIG. 9;
  • FIG. 11 is a schematic structural diagram of a second embodiment of the designated subframe counting module in FIG. 9;
  • FIG. 12 is a schematic structural diagram of a third embodiment of the designated subframe counting module in FIG. 9;
  • FIG. 13 is a schematic structural diagram of a fourth embodiment of the designated subframe counting module in FIG. 9;
  • FIG. 14 is another schematic structural diagram of a counting device based on a DRX timer in a TDD mode according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic flowchart of a method for counting a DRX timer based on a TDD mode according to a first embodiment of the present invention, where the method includes:
  • Step 101 Obtain location information of a flexible ratio subframe and a non-flexible ratio subframe in the LTE radio frame from the TDD subframe configuration configuration information delivered by the base station.
  • the length of the LTE radio frame is 10 ms, and is divided into two fields of 5 ms in length, each of which consists of four normal subframes of length 1 ms and one length.
  • the special subframe consists of lms, and the special subframe consists of three parts: DwPT S (Downlink Pilot Time Slot), UwPT S (Uplink Pilot Time Slot), and GP (Guard Period, Protection interval).
  • the non-flexible matching sub-frames are the sub-frames whose uplink and downlink attributes are not changed in the configuration of the uplink-downlink ratio of each TDD, and the non-flexible matching sub-frames include the uplink sub-frame, the downlink sub-frame, and the special sub-frame.
  • a flexible ratio subframe is a sub-frame that can be dynamically configured or semi-statically configured as an uplink subframe or a downlink subframe.
  • - - Frame for example, in LTE Rel-8/9/10, the user equipment UE supports the configuration of different TDD uplink-downlink ratios in 7, see the configuration of sequence number 0-6 shown in Table 1, and D indicates the downlink subframe.
  • S represents a special subframe
  • U represents an uplink subframe.
  • the base station sends a broadcast message to the user equipment UE in the cell to which the TDD subframe configuration configuration information is included.
  • the TDD subframe configuration configuration information refers to the configuration of the uplink and downlink ratio allocated by the base station to the user equipment.
  • the user equipment UE obtains the TDD uplink-downlink ratio by reading the TDD subframe matching configuration information in the broadcast message, where the broadcast message may include one or more TDD subframe matching configuration information. Specifically, for example, the user equipment reads SIB 1 (System - -
  • the message acquires a TDD subframe matching configuration information, and acquires another one or more TDD subframe matching configuration information by reading SIB1 or other broadcast messages.
  • the UE may also acquire one TDD subframe matching configuration information by using a broadcast message, such as SIB 1, and acquire another one or more TDD subframe matching configuration information by using a dedicated message, such as an RRC message.
  • the invention is not limited. Assume that the uplink and downlink proportions configured by the base station are 0, 1, or 2. As shown in Table 1, the uplink and downlink attributes of subframes 0, 1, 2, 5, 6, and 7 are unchanged in an LTE radio frame.
  • Non-flexible matching subframes where 0, 1, 5, and 6 are downlink subframes or special subframes, which may be referred to as a downlink subframe subset or a fixed downlink subframe subset, and 2, 7 are uplink subframes, which may be called The uplink subframe subset or the fixed uplink subframe subset; the subframes 3, 4, 8, and 9 may be configured as an uplink subframe or a downlink subframe, which is a flexible subframe, and may be referred to as a flexible subframe subset. Assume that the uplink and downlink proportions configured by the base station are configured to be 0 or 1.
  • the uplink and downlink attributes of subframes 0, 1, 2, 3, 5, 6, 7, and 8 are unchanged in a wireless LTE frame.
  • 0, 1 , 5, and 6 are downlink subframes or special subframes, which may be referred to as a downlink subframe subset or a fixed downlink subframe subset
  • 2, 3, 7, 8 are uplink subframes, which may be referred to as uplink subframes.
  • the subframe subset or the fixed uplink subframe subset; the subframes 4 and 9 may be configured as an uplink subframe or a downlink subframe, which is a flexible subframe, and may be referred to as a flexible subframe subset. Therefore, the user equipment UE can obtain the location information of the flexible matching subframe and the non-flexible matching subframe in the LTE radio frame from the TDD subframe matching configuration information sent by the base station.
  • Step 102 When detecting that the DRX timer is started, identify a flexible ratio subframe and a non-flexibility ratio subframe in the LTE radio frame according to the location information.
  • the base station configures the DRX timer for the user equipment UE, so that the user equipment UE is alternately in an active and inactive state.
  • the DRX timer is started, the UE is in an active state, and the downlink physical control channel needs to be performed.
  • the UE determines the flexible proportioning subframe and the non-flexible matching subframe in the LTE radio frame according to the location information determined in step 101.
  • Step 103 Count downlink subframes and special subframes in the LTE radio frame in a timing period set by the DRX timer.
  • the counting rule is to skip the flexible matching subframe when counting the LTE radio frame, and the subframes 0, 1, 2, 5, 6, and 7 in the LTE radio frame of FIG.
  • the uplink and downlink attributes are unchanged, and are all non-flexible matching subframes; subframes 3, 4, 8, and 9 can be configured as uplink subframes or downlink subframes, which are flexible matching subframes.
  • the DRX timer is onDurationTimer and the set timing period is 4 ms
  • the count length is 4 subframes for an LTE radio frame having a length of 10 ms.
  • - - It can be understood that the DRX timer includes any one of onDurationTimer, drx-InactivityTimer, and drx-RetransmissionTimer.
  • the first subframe in FIG. 2 is subframe 0, and subframe 0 and subframe 1 are fixed downlink subframes and special subframes, respectively, and the UE needs to count the two subframes;
  • the frame 2 is a fixed uplink subframe, and the UE does not need to count in the subframe.
  • the subframe 3 and the subframe 4 are two flexible matching subframes. In this embodiment, the UE does not need to perform the subframe.
  • the UE counts the fixed downlink subframe 5 and the special subframe 6. Since the timing period set by the onDurationTimer is 4 ms, the UE needs to count four subframes, which are subframes 0, 1, and 5, respectively. 6.
  • the step 103 may be replaced by: in the TDD subframe matching configuration information notified by the SIB1 in the LTE radio frame in the timing period set by the DRX timer The downlink subframe and the special subframe are counted, or the subframes in the downlink subframe subset or the fixed downlink subframe subset in the TDD subframe configuration configuration information notified by the SIB 1 in the LTE radio frame are counted.
  • the downlink subframe and the special subframe in the TDD subframe matching configuration information notified by the SIB1 and the downlink subframe in the step 103 Equivalent to a special sub-frame.
  • the base station may configure a reference TDD subframe matching configuration information, where the reference TDD subframe matching configuration information may be downlink HARQ timing reference TDD subframe matching configuration information, or uplink HARQ timing reference TDD subframe configuration.
  • the configuration information may be a DRX reference TDD uplink-downlink subframe configuration configuration information or other reference TDD subframe configuration configuration information configured by the base station, and is not limited herein.
  • the specific notification method may be a system broadcast message notification, or It can also be notified by a dedicated RRC message.
  • step 103 may be replaced by: counting in the DRX timer setting frame and the special subframe.
  • the HARQ timing reference TDD subframe matching configuration information refers to the ratio of the uplink and downlink HARQ timing of the UE after the uplink and downlink subframe ratio change is configured.
  • the DRX reference TDD uplink-downlink subframe configuration configuration information indicates that the UE calculates the corresponding DRX timer B ⁇ H after the uplink-downlink subframe ratio is changed.
  • some subframes of one or more carriers configured for the UE are used as flexible subframes, and the uplink and downlink proportions of the carrier 1 configuration are configured to be 0, 1, or 2,
  • the uplink and downlink attributes of subframes 0, 1, 2, 5, 6, and 7 are unchanged in an LTE radio frame, and are all non-flexible matching subframes, where 0, 1, 5, 6
  • the downlink subframe or the special subframe may be referred to as a downlink subframe subset or a fixed downlink subframe subset, and 2, 7 are uplink subframes, which may be referred to as an uplink subframe subset or a fixed uplink subframe subset;
  • Frames 3, 4, 8, and 9 can be configured as uplink subframes or downlink subframes, which are flexible subframes and can be referred to as flexible subframe subsets.
  • ⁇ Set the uplink-downlink configuration of carrier 2 configuration to 1 or 2.
  • the uplink and downlink attributes of subframes 0, 1, 2, 4, 5, 6, 7, 9 in a wireless LTE frame are available.
  • 0, 1, 4, 5, 6, 9 are downlink subframes or special subframes, which may be referred to as a downlink subframe subset or a fixed downlink subframe subset
  • 3, 8 are uplink subframes, which may be called The uplink subframe subset or the fixed uplink subframe subset
  • the subframes 4 and 9 may be configured as an uplink subframe or a downlink subframe, which is a flexible subframe, and may be referred to as a flexible subframe subset.
  • step 103 may be replaced by: in the timing period set by the DRX timer, each carrier in the LTE radio frame (except for carriers that cannot schedule data transmission of respective carriers, or configured to be other carriers) Counting the collection of downlink subframes and special subframes of the carrier that performs the data transmission, or sub-frames of the downlink subframe subset or the fixed downlink subframe subset of each carrier in the LTE radio frame The collection is counted. For example, it is assumed that both carrier 1 and carrier 2 are configured to schedule respective carriers for data transmission, and downlink subframes and special subframes of carrier 1 include 0, 1, 5, 6, and downlink subframes and special subframes of carrier 2 include 0.
  • carrier 1 is configured to be able to schedule its own data transmission
  • carrier 2 is configured to be unable to schedule its own data transmission, or is configured to carrier 2 to be scheduled for carrier data transmission, and then consider the downlink subframe subset or fixed downlink of each carrier.
  • Carrier 2 is not considered in the collection of subframes in the subframe subset.
  • the above collection may also be replaced by an intersection.
  • some subframes of one or more carriers configured for the UE are used as flexible subframes, and the uplink and downlink proportions of the carrier 1 configuration are configured to be 0, 1, or 2, Assume that the uplink and downlink proportions notified in the carrier SIB1 are set to 0.
  • the uplink and downlink attributes of subframes 0, 1, 2, 5, 6, and 7 are unchanged in an LTE radio frame.
  • Flexible matching sub-frames, - - where 0, 1, 5, 6 are downlink subframes or special subframes, which may be referred to as downlink subframe subsets or fixed downlink subframe subsets, and 2, 7 are uplink subframes, which may be referred to as uplink subframes.
  • the subframes 3, 4, 8 and 9 can be configured as uplink subframes or downlink subframes, which are flexible subframes and can be referred to as flexible subframe subsets.
  • the uplink-downlink ratio of the carrier 2 configuration is set to 1 or 2
  • the uplink-downlink ratio configured in the carrier SIB1 is configured to be 1, as shown in Table 1, the subframes 0, 1, 2, 4 in a wireless LTE frame.
  • the uplink and downlink attributes of 5, 6, 7, and 9 are unchanged, where 0, 1, 4, 5, 6, 9 are downlink subframes or special subframes, which may be referred to as a downlink subframe subset or a fixed downlink subframe.
  • the set, 3, and 8 are uplink subframes, which may be referred to as uplink subframe subsets or fixed uplink subframe subsets; subframes 4 and 9 may be configured as uplink subframes or downlink subframes, which are flexible subframes, which may be called For flexible sub-frame subsets.
  • step 103 may be replaced by: in the timing period set by the DRX timer, each carrier in the LTE radio frame (except for carriers that cannot schedule data transmission of respective carriers, or configured to be other carriers) Counting the collection of the downlink subframe and the special subframe in the uplink-downlink ratio configuration of the SIB1 notification of the out-of-carrier) that schedules the carrier for data transmission, or the uplink-downlink ratio configuration notified to each carrier SIB1 in the LTE radio frame The collection of the downlink subframe subset or the subframe of the fixed downlink subframe subset is counted.
  • step 103 can be replaced with The uplink-downlink ratio configuration of the SIB1 notification of the primary carrier in the LTE radio frame and the uplink-downlink ratio configuration of the other supplementary carriers notified in the common radio resource configuration information cell in the timing period set by the DRX timer. The collection of the special sub-frames of the downlink subframe subset or the fixed downlink subframe subset is counted.
  • the downlink subframe and the special subframe of carrier 1 include 0, 1, 5, 6, and the downlink subframe and the special subframe of carrier 2 include 0, 1, 4, 5, 6, 9, and carrier 1 and carrier 2
  • the downlink sub-frame and the special sub-frame are 0, 1, 4, 5, 6, 9, and the DRX timer starts counting 0, 1, 4, 5, 6, 9 for 2, 3, 7 , 8 does not count.
  • the above collection may also be replaced by an intersection.
  • the base station may configure a reference TDD subframe configuration configuration information for the UE, where the reference TDD subframe configuration configuration information may be downlink HARQ timing reference TDD subframe matching configuration information, or
  • the uplink HARQ timing reference TDD subframe matching configuration information may also be the DRX reference TDD uplink and downlink subframe matching configuration information or other reference TDD subframe matching configuration information configured by the base station, which is not limited herein, and the specific notification method may be Is through a wide range of systems - - Broadcast message notification, or can also be notified by a dedicated RRC message.
  • step 103 may be replaced by: counting downlink subframes and special subframes in the reference TDD subframe configuration configuration information in the LTE radio frame in a timing period set by the DRX timer.
  • the base station may configure one reference TDD subframe configuration configuration information for each carrier of the UE, where the reference TDD subframe matching configuration information may be a downlink HARQ timing reference TDD subframe ratio.
  • the configuration information, or the uplink HARQ timing reference TDD subframe matching configuration information may also be the DRX reference TDD uplink and downlink subframe matching configuration information or other reference TDD subframe matching configuration information configured by the base station, which is not limited herein.
  • the specific notification method may be a system broadcast message notification, or may also be notified by a dedicated RRC message.
  • step 103 may be replaced by: in the timing period set by the DRX timer, each carrier in the LTE radio frame (except for carriers that cannot schedule data transmission of respective carriers, or configured to be other Counting the collection of the downlink subframe and the special subframe of the reference TDD subframe configuration configuration information of the carrier to perform the data transmission, or the downlink subframe of each carrier SIB1 in the LTE radio frame A collection of subframes in a subset of fixed or fixed downlink subframes is counted. Alternatively, the above collection may also be replaced by an intersection.
  • the UE may perform counting based on the primary carrier.
  • the step 103 may be replaced by: counting, in the timing period set by the DRX timer, the downlink subframe and the special subframe notified by the SIB1 of the primary carrier in the LTE radio frame, or Counting the downlink subframe subset of the primary carrier or the subframe of the fixed downlink subframe subset in the LTE radio frame;
  • FIG. 3 is a schematic flowchart of a method for counting a DRX timer based on a TDD mode according to a second embodiment of the present invention, where the method includes:
  • Step 201 Obtain location information of the flexible matching subframe and the non-flexible matching subframe in the LTE radio frame from the TDD time division multiplexing frame matching configuration information delivered by the base station.
  • step 201 For the specific implementation process of the step 201, refer to step 101, and details are not described herein again.
  • Step 202 When detecting that the DRX discontinuous reception status timer is started, identify a flexible ratio subframe and a non-flexibility ratio subframe in the LTE radio frame according to the location information.
  • Step 203 Determine, according to a scheduling instruction sent by the base station, a flexible proportioning subframe that is scheduled to be an uplink subframe in the LTE radio frame.
  • Step 204 Perform a line subframe on the LTE radio frame in a timing period set by the DRX timer.
  • the counting rule is to calculate a subframe for the LTE radio frame. It is still assumed that the DRX timer is onDurationTimer, and the set timing period is 4ms, and the counting length is 4 subframes for the LTE radio frame of length 10ms. It can be understood that the DRX timer includes any one of onDurationTimer, drx-Inactivity Timer, and drx-RetransmissionTimer.
  • the first subframe in FIG. 2 is subframe 0, and it is assumed that the first subframe in FIG. 4 is subframe 0, and subframe 0 and subframe 1 are fixed downlink subframes and special subframes, respectively.
  • the UE needs to count the two subframes; then the subframe 2 is a fixed uplink subframe, and the UE does not need to count the subframe; the subframe 3 is a flexible matching subframe, and the flexible ratio is matched.
  • the subframe is not scheduled by the network side as a downlink subframe or an uplink subframe. To increase the scheduling opportunity, the UE counts the flexible matching subframe, and the UE also monitors the PDCCH physical downlink control channel in the flexible matching subframe.
  • subframe 4 As shown in the figure, since the uplink grant message is received at the 4th subframe time point before the subframe, that is, the flexible proportion subframe is scheduled as the uplink subframe, the UE does not perform the subframe. Finally, the fixed downlink subframe 5 is counted. Since the timing period value of the onDurationTimer is 4 ms, a total of four subframes are counted, which are subframes 0, 1, 3, and 5, respectively.
  • FIG. 5 is a schematic flowchart of a method for counting a DRX timer based on a TDD mode according to a third embodiment of the present invention, where the method includes:
  • Step 301 Obtain location information of the flexible matching subframe and the non-flexible matching subframe in the LTE long-term evolution radio frame from the TDD time division multiplexing frame matching configuration information delivered by the base station.
  • step 301 For the specific implementation process of step 301, refer to step 101, and details are not described herein again.
  • Step 302 When detecting that the DRX discontinuous reception status timer is started, identify a flexible ratio subframe and a non-flexibility ratio subframe in the LTE radio frame according to the location information.
  • Step 303 Determine, according to a scheduling instruction sent by the base station, a flexible proportioning subframe scheduled to be a downlink subframe in the LTE radio frame.
  • Step 304 In the LTE radio frame in a timing period set by the DRX timer - - Counting the flexible ratio subframes scheduled for the downlink subframe, the downlink subframes in the non-flexibility ratio subframe, and the special subframe.
  • the counting rule is that the flexible matching subframe, the downlink subframe, and the special subframe in the non-flexible matching subframe in the LTE radio frame are scheduled to be downlink subframes.
  • the frame is counted.
  • the flexible matching subframe is only scheduled to be a downlink subframe, that is, a scheduling instruction that is sent in a semi-static manner by the PDCCH physical downlink control channel or the EPDCCH enhanced physical downlink control channel DL SPS is configured as a downlink subframe, and the UE is flexibly configured here. It is also counted on the sub-frame.
  • the UE needs to perform monitoring in the flexible matching subframe to ensure that the scheduling instruction sent by the base station can be received in the flexible matching subframe.
  • the DRX timer is onDurationTimer, and the set period is 4 ms, and the counting length is 4 subframes for the LTE radio frame of length 10 ms. It can be understood that the DRX timer includes any one of onDurationTimer, drx-InactivityTimer, and drx-RetransmissionTimer.
  • the first subframe in Figure 6 is subframe 0, and the first subframe in Figure 6 is assumed to be subframe 0.
  • Subframe 0 and subframe 1 are fixed downlink subframes and special subframes respectively, and the UE needs to count the two subframes; then subframe 2 is a fixed uplink subframe, and the UE does not need to count the subframe;
  • Subframe 3 and subframe 4 since the scheduling instruction is received in the subframe, indicating that the two subframes are scheduled as downlink subframes, the UE needs to count the two subframes. Since the timing period value of the onDurationTimer is 4 ms, a total of four subframes are counted, which are subframes 0, 1, 3, and 4 in this embodiment.
  • FIG. 7 is a schematic flowchart of a method for counting a DRX timer based on a TDD mode according to a fourth embodiment of the present invention, where the method includes:
  • Step 401 Obtain location information of a flexible ratio subframe and a non-flexible ratio subframe in the LTE radio frame from the TDD subframe allocation configuration information delivered by the base station.
  • step 401 For the specific implementation process of step 401, refer to step 101, and details are not described herein again.
  • Step 402 When detecting that the DRX timer is started, identify a flexible ratio subframe and a non-flexibility ratio subframe in the LTE radio frame according to the location information.
  • Step 403 Count a smart ratio subframe, a fixed downlink subframe, and a special subframe in the LTE radio frame in a timing period set by the DRX timer.
  • the counting rule is that the flexible matching subframe is scheduled to be - - Which subframe, the UE counts it, that is, the UE needs to monitor the PDCCH channel in the flexible ratio subframe.
  • the RDX timer is onDurationTimer, and the set timing period is 4 ms, and the counting length is 4 subframes for the LTE radio frame of length 10 ms.
  • the DRX timer includes any one of onDurationTimer, drx-Inactivity Timer, and drx-RetransmissionTimer.
  • the first subframe in Figure 8 is subframe 0, and the first subframe in Figure 8 is assumed to be subframe 0.
  • Subframe 0 and subframe 1 are fixed downlink subframes and special subframes, respectively, and the UE needs to count the two subframes; then subframe 2 is a fixed uplink subframe, and the UE does not need to count the subframe; Subframe 3 and subframe 4, both of which are flexible matching subframes, the UE needs to count the two subframes. Since the timing period of the onDurationTimer is 4 ms, a total of four subframes are counted, in this embodiment. They are subframes 0, 1, 3, and 4, respectively.
  • FIG. 9 is a schematic structural diagram of a counting device based on a DRX timer in a TDD mode according to an embodiment of the present invention.
  • the following device is referred to as a counting device 1.
  • the counting device 1 includes:
  • the location information obtaining module 11 is configured to obtain location information of the flexible matching subframe and the non-flexible matching subframe in the LTE long-term evolution radio frame from the TDD time-division duplex frame matching configuration information delivered by the base station, and the non-flexible ratio is obtained.
  • the subframe includes a fixed uplink subframe, a fixed downlink subframe, and a special subframe.
  • the length of the LTE radio frame is 10 ms, and is divided into two fields of 5 ms in length, each of which consists of four normal subframes of length 1 ms and one length.
  • the special subframe consists of lms, and the special subframe consists of three parts: DwPT S (Downlink Pilot Time Slot), UwPT S (Uplink Pilot Time Slot), and GP (Guard Period, Protection interval).
  • a non-flexible ratio subframe is a subframe in which the uplink and downlink attributes are not changed in the configuration of each TDD uplink and downlink ratio.
  • the non-flexible ratio subframe includes a fixed upper and lower subframe, a fixed downlink subframe, and a special sub-frame.
  • the frame is a sub-frame that can be dynamically configured or semi-statically configured into an uplink subframe or a downlink subframe. For example, in LTE Rel-8/9/10, the user equipment UE supports 7 different.
  • the configuration of the TDD uplink-downlink ratio refer to the configuration of sequence number 0-6 shown in Table 2.
  • D indicates a downlink subframe
  • S indicates a special subframe
  • U indicates an uplink subframe.
  • the base station sends a broadcast message to the location information acquisition module 11 of the user equipment UE in the cell to which the user equipment is allocated, and the broadcast message includes TDD subframe configuration configuration information, where the TDD subframe ratio configuration information refers to the uplink and downlink ratio allocated by the base station to the user equipment.
  • the location information acquiring module 11 of the user equipment UE in the cell obtains the TDD uplink-downlink ratio by reading the TDD subframe matching configuration information in the broadcast message, and the uplink-downlink ratio configured by the base station is configured as 0, 1 Or 2, as can be seen from Table 2, the uplink and downlink attributes of subframes 0, 1, 2, 5, 6, and 7 are unchanged in an LTE radio frame, and are all non-flexible ratio subframes; subframes 3, 4 , 8 and 9 can be configured as an uplink subframe or a downlink subframe. It is assumed that the uplink and downlink proportions configured by the base station are configured to be 0 or 1.
  • the uplink and downlink attributes of the subframes 0, 1, 2, 3, 5, 6, 7, and 8 in a wireless LTE frame are unchanged;
  • Subframes 4 and 9 can be configured as an uplink subframe or a downlink subframe. Therefore, the location information acquiring module 11 of the user equipment UE can obtain the location information specifying subframe count of the flexible matching subframe and the non-flexible matching subframe in the LTE radio frame from the TDD subframe matching configuration information sent by the base station.
  • Module 12 configured to detect when the DRX discontinuous reception status timer is started, - counting the subframes specified in the LTE radio frame within the timing period set by the DRX timer according to the location information.
  • the designated subframe counting module 12 includes:
  • a first identifying unit 121 configured to identify, according to the location information, a flexible ratio subframe and a non-flexible ratio subframe in the LTE radio frame;
  • the first counting unit 122 is configured to count the fixed uplink subframe and the special subframe in the LTE radio frame in the timing period, and do not count other subframes.
  • the designated subframe counting module 12 includes:
  • a second identifying unit 123 configured to identify, according to the location information, a flexible ratio subframe and a non-flexible ratio subframe in the LTE radio frame;
  • a first determining unit 124 configured to determine, according to a scheduling instruction sent by the base station, a flexible proportioning subframe that is scheduled to be an uplink subframe in the LTE radio frame; skipping the flexible ratio scheduled to be an uplink subframe The subframes and the uplink subframes in the non-flexible matching subframe count all other subframes.
  • the designated subframe counting module 12 includes:
  • a third identifying unit 126 configured to identify, according to the location information, a flexible ratio subframe and a non-flexible ratio subframe in the LTE radio frame
  • a second determining unit 127 configured to determine, according to a scheduling instruction sent by the base station, a flexible matching subframe that is scheduled to be a downlink subframe in the radio frame;
  • the third counting unit 128 is configured to perform, in the timing period, the flexible matching subframe, the downlink subframe, and the special subframe in the non-flexibility subframe in the LTE radio frame. Count, no counting for other sub-frames.
  • the designated subframe counting module 12 includes:
  • a fourth identifying unit 129 configured to identify, according to the location information, a spirit in the LTE radio frame - - a live ratio sub-frame and a non-flexible ratio sub-frame;
  • the fourth counting unit 130 is configured to count, in the timing period, the uplink subframe and the special subframe in the flexible ratio subframe, the non-flexibility ratio subframe, and the special subframe in the LTE radio frame, and not on other subframes. Count.
  • the counting device 1 includes a processor 61, a memory 62, an input device 63, and an output device 64.
  • the number of processors 61 in the device 1 may be one or more, and FIG. 14 takes a processor as an example.
  • the processor 61, the memory 62, the input device 63, and the output device 64 may be connected by a bus or other means, and a bus connection is taken as an example in FIG.
  • the memory 62 stores a set of program codes
  • the processor 61 is configured to call the program code stored in the memory 62 for performing the following operations:
  • the position information of the flexible matching subframe and the non-flexible matching subframe in the LTE radio frame is obtained from the TDD time division duplex subframe matching configuration information delivered by the base station, where the non-flexible matching subframe includes an uplink subframe and a downlink subframe. Frames and special subframes;
  • the subframe specified in the LTE radio frame is counted according to the location information in a timing period set by the DRX timer.
  • the processor 61 performs the step of counting, according to the location information, a subframe specified in the LTE radio frame within a timing period set by the DRX timer, where:
  • the downlink subframe and the special subframe in the non-flexible ratio subframe in the LTE radio frame are counted in the timing period, and the other subframes are not counted.
  • the processor 61 performs the step of counting, according to the location information, a subframe specified in the LTE radio frame within a timing period set by the DRX timer, where:
  • skipping in the timing period, the LTE radio frame, skipping the uplink subframe in the flexible subframe and the non-flexibility subframe that are scheduled as the uplink subframe, and performing the subframe on the other subframes count.
  • the processor 61 performs the step of counting, according to the location information, a subframe specified in the LTE radio frame within a timing period set by the DRX timer, where:
  • the flexible ratio subframe, the downlink subframe, and the special subframe in the non-flexibility subframe in the LTE radio frame, and the other subframes Do not count.
  • the processor 61 performs the step of counting, according to the location information, a subframe specified in the LTE radio frame within a timing period set by the DRX timer, where:
  • the downlink subframe and the special subframe in the flexible ratio subframe, the non-flexibility ratio subframe, and the special subframe in the LTE radio frame are counted in the timing period, and the other subframes are not counted.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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

Abstract

Conformément à un mode de réalisation, la présente invention concerne un procédé de comptage sur la base d'un synchroniseur de réception discontinue (DRX) dans un mode TDD, le procédé consistant : à partir des informations de configuration de mise en correspondance de trames de duplexage à répartition dans le temps (TDD) fournies par une station de base, à acquérir les informations de position de sous-trames mises en correspondance de manière flexible et de sous-trames mises en correspondance de manière non flexible dans des trames sans fil d'évolution à long terme (LTE), les sous-trames mises en correspondance de manière non flexible comprenant des sous-trames de liaison montante, des sous-trames de liaison descendante et des sous-trames spéciales ; lors de la détection de l'activation d'un synchroniseur d'état de réception discontinue (DRX), à compter les sous-trames spécifiées dans les trames sans fil LTE selon les informations de position durant une période de synchronisation de durée réglée par le synchroniseur DRX. Dans le mode de réalisation, la présente invention concerne également un dispositif correspondant. La présente invention compte avec précision les sous-trames de liaison montante et de liaison descendante de trames sans fil LTE.
PCT/CN2013/084330 2013-06-21 2013-09-26 Procédé et dispositif de comptage sur la base d'un synchroniseur drx dans un mode tdd WO2014201778A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
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CN101635981A (zh) * 2008-07-24 2010-01-27 大唐移动通信设备有限公司 非连续接收的起点参数配置和确定的方法、系统及装置
CN102123447A (zh) * 2010-01-08 2011-07-13 中兴通讯股份有限公司 一种不连续接收方法及系统
WO2013023677A1 (fr) * 2011-08-12 2013-02-21 Nokia Siemens Networks Oy Réception discontinue dans un système à agrégation de porteuses
WO2013049768A1 (fr) * 2011-09-30 2013-04-04 Interdigital Patent Holdings, Inc. Communication entre dispositifs à l'aide d'une largeur de bande de canal réduite

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CN101471715B (zh) * 2007-12-24 2012-09-05 联想(北京)有限公司 延迟样本和循环周期确定装置和方法及接收方法和接收机
CN101616492B (zh) * 2008-06-26 2012-04-04 中兴通讯股份有限公司 上行应答消息反馈方法
CN101925114B (zh) * 2009-06-09 2013-06-05 中兴通讯股份有限公司 实现hsupa上下行帧/子帧控制定时的装置及方法

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CN101635981A (zh) * 2008-07-24 2010-01-27 大唐移动通信设备有限公司 非连续接收的起点参数配置和确定的方法、系统及装置
CN102123447A (zh) * 2010-01-08 2011-07-13 中兴通讯股份有限公司 一种不连续接收方法及系统
WO2013023677A1 (fr) * 2011-08-12 2013-02-21 Nokia Siemens Networks Oy Réception discontinue dans un système à agrégation de porteuses
WO2013049768A1 (fr) * 2011-09-30 2013-04-04 Interdigital Patent Holdings, Inc. Communication entre dispositifs à l'aide d'une largeur de bande de canal réduite

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