WO2016019750A1 - 网络辅助终端盲检的方法、装置、系统及相关设备 - Google Patents

网络辅助终端盲检的方法、装置、系统及相关设备 Download PDF

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Publication number
WO2016019750A1
WO2016019750A1 PCT/CN2015/080380 CN2015080380W WO2016019750A1 WO 2016019750 A1 WO2016019750 A1 WO 2016019750A1 CN 2015080380 W CN2015080380 W CN 2015080380W WO 2016019750 A1 WO2016019750 A1 WO 2016019750A1
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subframe
configuration information
neighboring
blind detection
information
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English (en)
French (fr)
Inventor
王飞
金婧
童辉
王启星
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China Mobile Communications Group Co Ltd
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China Mobile Communications Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method, device, system and related device for blind detection of a network auxiliary terminal.
  • NAICS Network-assisted interference cancellation
  • FIG. 1 is a schematic diagram of inter-cell interference
  • FIG. 2 is a schematic diagram of network-assisted interference deletion.
  • the auxiliary information that the terminal needs to obtain from the network side in order to perform effective interference deletion mainly includes the following two types: one is cell-specific auxiliary information, including system bandwidth, synchronization indication, and Cell ID (neighborhood).
  • CSI-RS Channel Status Information Reference Signal
  • TM Transmission Mode
  • RI Rank Indication
  • PMI Precoding Matrix Indicator
  • PA parameters MCS (Modulation and Coding Scheme)
  • DMRS Ports Demodulation reference signal port
  • DMRS VCID demodulation reference signal virtual cell identifier
  • resource allocation type resource allocation granularity.
  • the LTE system supports a total of seven uplink and downlink time slot ratios, as shown in Table 1:
  • the NAICS technology can only eliminate the downlink subframe interference in the neighboring cell, and can't do anything for the uplink subframe.
  • the terminal can perform interference deletion through NACIS only when it determines that the current subframe of the neighboring cell is a downlink subframe.
  • the terminal cannot obtain high-level signaling to learn whether the current subframe of the neighboring cell is a downlink subframe. It can only rely on its own blind detection to know whether the current subframe of the neighboring cell is a downlink subframe.
  • the 6 subframes whose subframe numbers are ⁇ #3, #4, #6, #7, #8, #9 ⁇ may all be downlink subframes. Therefore, in extreme cases, the terminal needs to A blind check on these 6 subframes can determine the downlink subframe of the neighboring cell. As shown in table 2:
  • Embodiments of the present invention provide a method, device, system, and related device for blind detection of a network auxiliary terminal, It is used to reduce the complexity of terminal blind detection and save terminal processing resources in the process of network-assisted deletion of interference.
  • the embodiment of the invention provides a method for blind detection of a network auxiliary terminal implemented by a network side, including:
  • the terminal is notified of the blind detection related information, and the blind detection related information is determined according to the uplink and downlink time slot configuration information of the neighboring area.
  • the uplink and downlink time slot configuration information of the neighboring cell includes a time division duplex uplink and downlink time slot configuration TDD UL/DL configuration information in the neighboring cell system information block SIB1 and a downlink reference uplink and downlink time slot configuration DL reference UL/DL configuration information. .
  • the blind detection related information is TDD UL/DL configuration information in the neighboring cell SIB1 and DL reference UL/DL configuration information used in the small cell enhanced eIMTA;
  • the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring cell SIB1 of the local area are notified.
  • the subframe type of each subframe of the neighboring cell determined by the terminal in the local area is notified in a manner agreed in advance with the terminal in the local area.
  • the embodiment of the invention provides a device for blind detection of a network auxiliary terminal, comprising:
  • a receiving unit configured to receive uplink and downlink time slot configuration information of a neighboring cell sent by a neighboring base station
  • the notification unit is configured to notify the terminal of the local area to perform blind detection related information, where the blind detection related information is determined according to the uplink and downlink time slot configuration information of the neighboring area.
  • the blind detection related information is the uplink and downlink time slot configuration information of the neighboring cell, and the uplink and downlink time slot configuration information of the neighboring cell includes the time division duplex uplink and downlink time slot configuration TDD UL/DL configuration in the neighboring system information block SIB1.
  • the notification unit is specifically configured to notify the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1 of the local area.
  • the uplink and downlink time slot configuration information of the neighboring area includes TDD UL/DL configuration information and DL reference UL/DL configuration information in the neighboring area SIB1;
  • the device further includes a determining unit, wherein:
  • the determining unit is configured to determine, according to the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring cell SIB1, a subframe type of each subframe in the neighboring cell, and determine each sub-zone of the neighboring cell.
  • the subframe type information of the frame is the blind check related information;
  • the notification unit is specifically configured to notify the terminal in the local area to determine the subframe type of each subframe of the neighboring cell by using a manner agreed in advance with the local area terminal.
  • the embodiment of the invention provides a base station, which comprises the device for blind detection of the network auxiliary terminal implemented by the network side.
  • the embodiment of the invention provides a method for blind detection of a network auxiliary terminal implemented by a terminal side, including:
  • the blind detection related information is determined by the network side according to the neighboring uplink and downlink timeslot configuration information sent by the neighboring cell base station.
  • the uplink and downlink timeslot configuration information of the neighboring cell is the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1; the blind detection related information is the TDD UL/DL configuration in the neighboring area SIB1.
  • Determining an adjacent type of neighboring subframe according to the blind detection related information including:
  • the neighboring subframe of the unknown type is determined according to the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1.
  • the uplink and downlink time slot configuration information of the neighboring cell is the TDD UL/DL configuration in the neighboring area SIB1.
  • Information and DL reference UL/DL configuration information; the blind detection related information is a neighboring cell determined by the network side according to TDD UL/DL configuration information and DL reference UL/DL configuration information in the neighboring area SIB1.
  • Determining an adjacent type of neighboring subframe according to the blind detection related information including:
  • the neighboring subframe of the unknown type is determined according to the subframe type information of each subframe of the neighboring cell.
  • An embodiment of the present invention provides a device for blind detection of a network auxiliary terminal implemented by a terminal side, including:
  • a receiving unit configured to receive blind detection related information sent by the network side
  • a blind detection unit configured to determine an adjacent type of neighboring subframe according to the blind detection related information, and perform blind detection on an unknown type of neighboring subframe.
  • the blind detection related information is determined by the network side according to the uplink and downlink time slot configuration information of the neighboring cell sent by the neighboring cell base station, and the uplink and downlink time slot configuration information of the neighboring cell is the TDD UL/DL configuration in the neighboring cell SIB1.
  • Information and DL reference UL/DL configuration information; the blind detection related information is TDD UL/DL configuration information and DL reference UL/DL configuration information in the neighboring area SIB1;
  • the blind detection unit is specifically configured to determine an adjacent type of neighbor subframe according to the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1.
  • the blind detection related information is determined by the network side according to the uplink and downlink time slot configuration information of the neighboring cell sent by the neighboring cell base station, and the uplink and downlink time slot configuration information of the neighboring cell is the TDD UL/DL configuration in the neighboring cell SIB1.
  • Information and DL reference UL/DL configuration information; the blind detection related information is a neighboring cell determined by the network side according to TDD UL/DL configuration information and DL reference UL/DL configuration information in the neighboring area SIB1.
  • the blind detection unit is specifically configured to determine a neighboring subframe of an unknown type according to subframe type information of each subframe in the neighboring cell.
  • the embodiment of the invention provides a terminal, which comprises the device for blind detection of the network auxiliary terminal implemented by the terminal side.
  • An embodiment of the present invention provides a system for blind detection of a network-assisted terminal, including a base station and a terminal, where the base station is provided with a device for blind detection of a network-assisted terminal implemented by the network side, where the terminal side is provided with the terminal side A device for performing blind detection of a network assisted terminal.
  • the base station receives the uplink and downlink time slot configuration information of the neighboring area sent by the neighboring area, and accordingly determines the blind detection correlation of the terminal in the local area. And notifying the terminal in the local area, so that the terminal can determine the neighboring cell subframe of the unknown type according to the received blind detection related information, and perform blind detection on the neighboring cell subframe of the unknown type to determine whether the neighboring cell subframe is downlink.
  • the sub-frame can be seen that, according to the embodiment of the present invention, the terminal only needs to perform blind detection on the neighboring sub-frames of the type that cannot be determined according to the blind detection related information, without traversing each neighboring sub-frame, thereby reducing the blind detection of the terminal.
  • the complexity saves the processing resources of the terminal.
  • FIG. 3 is a schematic diagram of an implementation process of a method for performing blind detection of a network auxiliary terminal on a network side according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of an implementation process of a method for performing blind detection of a network auxiliary terminal on a terminal side according to an embodiment of the present invention
  • 5a is a schematic diagram of uplink and downlink configuration information of a first neighboring area according to an embodiment of the present invention
  • FIG. 5b is a schematic diagram of uplink and downlink configuration information of a second neighboring area according to an embodiment of the present invention.
  • 5c is a schematic diagram of uplink and downlink configuration information of a third neighboring area according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a first type of network auxiliary terminal blind detection apparatus according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a second network auxiliary terminal blind detection apparatus according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a blind detection system of a network auxiliary terminal according to an embodiment of the present invention.
  • the method and device for blind detection of the network auxiliary terminal are provided in the embodiment of the present invention, in order to reduce the complexity of the blind detection of the network in the scenario of the dynamic change of the slot ratio in the neighboring area, and save the terminal processing resources. , systems and related equipment.
  • a schematic flowchart of an implementation process of a method for performing network-assisted terminal blind detection on a network side includes the following steps:
  • S31 Receive uplink and downlink time slot configuration information of the neighboring cell sent by the neighboring base station.
  • an eNB in an eIMTA scenario, can dynamically adjust an uplink and downlink time slot ratio according to information such as the uplink and downlink traffic ratio. Specifically, the eNB notifies the uplink and downlink time slot configuration used by the UE (User Equipment) by DCI (Downlink Control Information), and the minimum adjustment time that can be supported is 10 ms.
  • the reference configuration is used to solve the HARQ (Hybrid Automatic Repeat Request) timing problem caused by the fast adjustment of the uplink and downlink time slot ratio.
  • the eNB uses the SIB1 (System Information Block1, system).
  • SIB1 is used to describe the TDD UL/DL configuration information in the cell access related information) as the UL reference configuration, and the DL reference is notified using the higher layer signaling.
  • UL/DL configuration downlink reference uplink and downlink time slot configuration.
  • the downlink subframe of the TDD UL/DL configuration in the SIB1 cannot be used as the flexible subframe, that is, the downlink subframe in the TDD UL/DL configuration is fixed, and the uplink subframe of the DL reference UL/DL configuration Cannot be used as a flexible subframe, that is, the uplink subframe in the DL reference UL/DL configuration is fixed.
  • the uplink and downlink timeslot configuration information of the neighboring cell includes the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring cell SIB1.
  • the neighboring base station can notify the base station of the uplink and downlink time slot configuration information through the X2 interface.
  • the blind detection related information is determined by the base station according to the uplink and downlink time slot configuration information of the neighboring cell.
  • the base station may, but is not limited to, determine the blind detection related information of the terminal in the local area according to the following two methods: mode 1: The network side directly sends the uplink and downlink time slot configuration information of the neighboring area as blind detection related information to the terminal. The terminal determines the subframe type of the neighboring cell subframe according to the uplink and downlink timeslot configuration information of the neighboring cell, so as to determine which subframes need to be blindly checked, and which subframes can be used for blind detection, and the second mode is used by the network side according to the uplink and downlink of the neighboring cell.
  • mode 1 The network side directly sends the uplink and downlink time slot configuration information of the neighboring area as blind detection related information to the terminal.
  • the terminal determines the subframe type of the neighboring cell subframe according to the uplink and downlink timeslot configuration information of the neighboring cell, so as to determine which subframes need to be blindly checked, and which subframes can be used for blind detection, and the second mode is used by the network side
  • the slot configuration information respectively determines a subframe type of each subframe in the neighboring cell, where the subframe type may include: an uplink subframe, a downlink subframe, a special subframe, and an unknown type subframe, and the network side notifies each neighbor of the neighboring cell.
  • the sub-frame type information of the frame the terminal directly determines, according to the sub-frame type information of the neighboring sub-frame, that the sub-frame needs to be blindly detected (the unknown type of sub-frame needs to be blindly checked), and the terminal does not need to be blind in the second mode. By detecting the relevant information for processing, it is possible to directly determine which sub-frame needs to be blindly detected, thereby further saving the processing resources of the terminal.
  • the following are introduced separately:
  • the base station determines that the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1 are blind detection related information, and directly informs the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1 of the terminal. Therefore, the terminal can determine, according to the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the SIB1, which subframe type of the subframe is an uplink subframe, and which subframe subframe types are downlink subframes, or which sub-frames.
  • the subframe type of the frame is a special subframe, or the subframe type of the subframes cannot be determined, that is, the subframe type of the subframe is unknown, so that the terminal only needs to blindly check the subframe of the unknown type when performing blind detection.
  • blind detection is not required, thereby reducing the complexity of terminal blind detection and saving terminal processing resources.
  • Manner 2 The TDD UL/DL configuration information in the neighboring cell SIB1 received by the base station The DL reference UL/DL configuration information is processed, and the processing result is notified to the local area terminal as blind detection related information.
  • the base station may determine the subframe type of each subframe in the neighboring cell according to the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1, and use the neighboring area in a manner agreed with the terminal in advance.
  • the subframe type of each subframe is sent to the terminal.
  • the local base station may, but is not limited to, notify the subframe type of each subframe in the neighboring area of the local area by the following two methods:
  • Manner 1 The base station uses 2 bits to indicate the subframe type of the neighboring subframe. For example, the base station and the terminal agree in advance that "00" represents an unknown type of subframe, "01” represents a downlink subframe (D), "10” represents an uplink subframe (U), and "11” represents a special subframe (S). Each radio frame has a total of 10 subframes. Therefore, the base station uses a total of 20 bits to sequentially represent the subframe type of each subframe.
  • 01 11 10 10 10 01 11 10 10 10 indicates that the subframe types corresponding to the subframe numbers 0, 1, 2, ..., 9 are: a downlink subframe, a special subframe, an uplink subframe, an uplink subframe, An uplink subframe, a downlink subframe, a special subframe, an uplink subframe, an uplink subframe, and an uplink subframe.
  • Manner 2 The base station and the terminal agree to use "D” to indicate a downlink subframe, "U” to indicate an uplink subframe, "S” to indicate a special subframe, and "F” to indicate an unknown type.
  • the DSUUU DSUUU indicates that the subframe type corresponding to the subframe number is 0, 1, 2, ..., respectively: downlink subframe, special subframe, uplink subframe, uplink subframe, uplink subframe, downlink subframe, special Subframe, uplink subframe, uplink subframe, and uplink subframe.
  • a schematic flowchart of an implementation process of a method for performing blind detection of a network auxiliary terminal on a terminal side includes the following steps:
  • the terminal receives the blind detection related information sent by the network side.
  • the information about the blind detection is determined by the network side according to the configuration information of the uplink and downlink timeslots of the neighboring cell sent by the neighboring cell.
  • the specific determination manner refer to the method for blind detection of the network auxiliary terminal implemented by the network side, and details are not described herein.
  • the terminal determines, according to the blind detection related information, an unknown type of neighboring subframe, and is in an unknown type. A blind check is performed on the neighboring sub-frame.
  • the network side notification terminal blind detection related information includes the following two types: 1) the blind detection related information is the TDD UL/ in the neighboring area SIB1. DL configuration information and DL reference UL/DL configuration information; 2) Blind detection related information is subframe type information of each subframe of the neighboring cell determined by the network side.
  • the terminal first needs to be based on the TDD UL/DL configuration in the neighboring area SIB1.
  • the information and the DL reference UL/DL configuration information determine a subframe type of each neighboring cell subframe, where the subframe type includes an uplink subframe, a downlink subframe, a special subframe, and an unknown type subframe, and the terminal is directed to the neighbor of the unknown type.
  • the zone subframe is blindly checked to determine the subframe type of the subframe, and if it is a downlink subframe, interference cancellation is required.
  • the network side informs the terminal that the blind detection related information is the subframe type information of each subframe in the neighboring cell
  • the terminal directly determines the neighboring type subframe of the unknown type according to the subframe type information of each subframe of the neighboring cell, and is unknown.
  • a blind detection may be performed on the neighboring subframe of the type to determine the subframe type of the subframe, and if it is a downlink subframe, interference cancellation is required.
  • FIG. 5a it is a schematic diagram of uplink and downlink configuration information of the first neighboring cell.
  • the neighboring cell base station notifies the uplink and downlink timeslot configuration information of the neighboring cell of the base station as follows: "The TDD UL/DL configuration in SIB1 is config#1, and the DL reference UL/DL configuration of the neighboring cell is config#2".
  • the base station directly informs the neighboring time slot configuration information of the neighboring cell of the terminal, and the base station notifies the local area UE: “The TDD UL/DL configuration in the SIB1 of the neighboring cell is config#1, and the DL reference UL/DL configuration of the neighboring cell. For config#2".
  • the terminal receives the uplink and downlink timeslot configuration information, the downlink subframe in the TDD UL/DL configuration in the SIB1 is fixed, and the uplink subframe of the DL reference UL/DL configuration is fixed. Therefore, the neighboring base station When the uplink and downlink slot ratios are dynamically adjusted for the terminals in the neighboring area, only the TDD UL/DL in SIB1 can be satisfied.
  • the downlink time slot in the configuration is fixed and the uplink time slot fixed in the DL reference UL/DL configuration is selected in the slot configuration, that is, the #4, #9 subframe is the downlink subframe and the #7 subframe is the uplink subframe.
  • Table 1 it can be seen that only the configuration #1 and the configuration #2 (two configurations in the black dotted frame in FIG. 5a) satisfying the condition, that is, even if the neighboring base station is a neighboring terminal Dynamically adjust the uplink and downlink time slot ratio, and only select two configurations of configuration #1 and configuration #2. Compare configuration #1 and configuration #2, the subframe numbers are #4, #6, #7, and #9.
  • the subframe type of the subframe is determined, where #4 is a downlink subframe, #6 is a special subframe, #7 is an uplink subframe, and #9 is a downlink subframe, and #3 subframe and #8 ⁇ The frame may be an uplink subframe or a downlink subframe. Therefore, the terminal needs to perform blind detection on the #3 subframe and the #8 subframe to determine whether it is a downlink subframe, thereby greatly reducing terminal blindness. The complexity of the inspection saves the terminal processing resources.
  • the base station first determines the subframe type corresponding to each subframe in the neighboring cell, which is similar to the above description, because in the TDD UL/DL configuration in SIB1.
  • the downlink subframe is fixed, and the uplink subframe of the DL reference UL/DL configuration is fixed. Therefore, when the neighboring base station dynamically adjusts the uplink and downlink slot ratios for the terminal in the neighboring cell, it can only satisfy the SIB1.
  • the downlink time slot in the TDD UL/DL configuration is selected in the slot configuration in which the uplink time slot of the DL reference UL/DL configuration is fixed, that is, the subframes satisfying #4 and #9 are downlink subframes, and #7 is The time slot configuration of the uplink subframe is selected.
  • Table 1 only configuration #1 and configuration #2 (two configurations in the black dotted frame in FIG. 5a) satisfy the condition, that is, even if the neighboring base station is adjacent
  • the zone terminal dynamically adjusts the uplink and downlink slot ratios, and only two configurations of configuration #1 and configuration #2 can be selected.
  • the subframe numbers are #4, #6, #7, and The subframe type of the subframe of #9 is determined, #4 is the downlink subframe, and #6 is the special The special subframe, #7 is the uplink subframe, and #9 is the downlink subframe, and the #3 subframe and the #8 subframe may be the uplink subframe or the downlink subframe. Therefore, the base station may use any of the following methods.
  • the subframe type information "01 11 10 00 01 01 11 10 00 01" or "DSUFDDSUFD" of the neighboring cell subframe is notified.
  • the base station may carry the subframe type information of the neighboring subframe in the signaling that interacts with the terminal.
  • the terminal performs blind detection on the #3 subframe and the #8 subframe according to the subframe type information of the neighboring cell subframe notified by the base station to determine whether it is a downlink subframe.
  • FIG. 5b it is a schematic diagram of the uplink and downlink configuration information of the second neighboring cell.
  • the neighboring cell base station notifies the uplink and downlink timeslot configuration information of the neighboring cell of the base station as follows: "The TDD UL/DL configuration in SIB1 is config#0, and the DL reference UL/DL configuration of the neighboring cell is config#2".
  • the base station directly informs the neighboring time slot configuration information of the neighboring cell of the terminal, and the base station notifies the local area UE that: “the TDD UL/DL configuration in the SIB1 of the neighboring cell is config#0, and the DL reference UL/DL configuration of the neighboring cell. For config#2".
  • the terminal receives the uplink and downlink timeslot configuration information, the downlink subframe in the TDD UL/DL configuration in the SIB1 is fixed, and the uplink subframe of the DL reference UL/DL configuration is fixed.
  • the neighboring base station When the uplink and downlink time slot ratios are dynamically adjusted for the intra-terminal terminals, only the time slots in which the downlink time slots in the TDD UL/DL configuration in the SIB1 are fixed and the uplink time slots of the DL reference UL/DL configuration are fixed can be used.
  • the configuration is selected, that is, the #7 subframe is selected as the slot configuration of the uplink subframe. According to Table 1, the configurations #0, #1, #2, and #6 satisfying the condition are met (the black dotted frame in FIG.
  • the four configurations in the middle that is, even if the neighboring base station dynamically adjusts the uplink and downlink time slot ratio for the neighboring terminal, it can only be selected in configuration #0, configuration #1, configuration #2, and configuration #6, and the configuration is compared.
  • #0, Configuration #1, Configuration #2, and Configuration #6 show that the subframe type of the subframe with subframe numbers #6 and #7 is determined, #6 is a special subframe, and #7 is an uplink subframe.
  • the #3 subframe, #4 subframe, #8 subframe, and #9 subframe may be either an uplink subframe or a downlink subframe.
  • the terminal needs to perform blind check on the #3 subframe, the #4 subframe, the #8 subframe, and the #9 subframe to determine whether it is a downlink subframe, and it is required to blindly check 6 subframes, which is lower than the terminal.
  • the complexity of terminal blind detection saves terminal processing resources.
  • the base station first determines the subframe type corresponding to each subframe in the neighboring cell, which is similar to the above description, because in the TDD UL/DL configuration in SIB1.
  • the downlink subframe is fixed, and the uplink subframe of the DL reference UL/DL configuration is fixed. Therefore, when the neighboring base station dynamically adjusts the uplink and downlink slot ratios for the terminal in the neighboring cell, it can only satisfy the SIB1.
  • the downlink time slot in the TDD UL/DL configuration is selected in the slot configuration in which the uplink time slot of the DL reference UL/DL configuration is fixed, that is, the time slot configuration in which the #7 subframe is an uplink subframe is selected, according to the table. 1 It can be seen that there are configurations #0, #1, #2, and #6 that satisfy this condition (four configurations in the black dotted line frame in Fig. 5b), that is, even if the neighboring base
  • the station dynamically adjusts the uplink and downlink time slot ratios for the neighboring cell terminals, and can only select among configuration #0, configuration #1, configuration #2, and configuration #6, compare configuration #0, configuration #1, configuration #2, and configuration.
  • the base station may notify the subframe type information “01111000000111100000” or “DSUFFDSUFF” of the neighbor neighbor subframe by using any of the following methods. Specifically, the base station may carry the subframe type information of the neighboring subframe in the signaling that interacts with the terminal.
  • the terminal performs blind detection on the #3 subframe, the #4 subframe, the #8 subframe, and the #9 subframe according to the subframe type information of the neighboring cell subframe notified by the base station, to determine whether each subframe is a downlink subframe. .
  • FIG. 5c it is a schematic diagram of the uplink and downlink configuration information of the third neighboring cell.
  • the neighboring cell base station notifies the uplink and downlink timeslot configuration information of the neighboring cell of the base station as follows: "The TDD UL/DL configuration in SIB1 is config#0, and the DL reference UL/DL configuration of the neighboring cell is config#4".
  • the base station directly informs the neighboring time slot configuration information of the neighboring cell of the terminal, and the base station notifies the local area UE that: “the TDD UL/DL configuration in the SIB1 of the neighboring cell is config#0, and the DL reference UL/DL configuration of the neighboring cell. For config#4".
  • the terminal receives the uplink and downlink timeslot configuration information, the downlink subframe in the TDD UL/DL configuration in the SIB1 is fixed, and the uplink subframe of the DL reference UL/DL configuration is fixed.
  • the neighboring base station When the uplink and downlink slot ratios are dynamically adjusted for the terminal in the neighboring cell, only when the downlink time slot in the TDD UL/DL configuration in the SIB1 is fixed and the uplink time slot of the DL reference UL/DL configuration is fixed
  • the gap configuration is selected, that is, the #3 and #4 subframes are selected in the slot configuration of the uplink subframe, and according to Table 1, the configurations #0, #1, #3, #4, and #6 satisfying the condition are known. (The five configurations in the black dotted frame in Figure 5b), that is, even if the neighboring base station dynamically adjusts the uplink and downlink time slot ratio for the neighboring cell terminal, it can only be configured in #0, configuration #1, configuration #3, and configuration.
  • the subframe type of the subframe with the subframe number #3 is determined, #3 It is an uplink subframe, and the #4 subframe, the #6 subframe, the #7 subframe, the #8 subframe, and the #9 subframe may be uplink subframes. It may also be a downlink subframe. Therefore, the terminal needs to perform blind check on the #4 subframe, the #6 subframe, the #7 subframe, the #8 subframe, and the #9 subframe to determine whether it is a downlink subframe, Therefore, compared with the terminal, it is required to blindly check 6 subframes, which reduces the complexity of terminal blind detection and saves terminal processing resources.
  • the base station first determines the subframe type corresponding to each subframe in the neighboring cell, which is similar to the above description, because in the TDD UL/DL configuration in SIB1.
  • the downlink subframe is fixed, and the uplink subframe of the DL reference UL/DL configuration is fixed. Therefore, when the neighboring base station dynamically adjusts the uplink and downlink slot ratios for the terminal in the neighboring cell, it can only satisfy the SIB1.
  • the downlink time slot in the TDD UL/DL configuration is selected in the slot configuration in which the uplink time slot of the DL reference UL/DL configuration is fixed, that is, the time slot configuration in which the #3 and #4 subframes are uplink subframes is selected.
  • Table 1 it can be seen that there are configurations #0, #1, #3, #4, and #6 (five configurations in the black dotted line frame in Fig. 5b) that satisfy the condition, that is, even if the neighboring base station is the neighboring cell terminal.
  • Dynamically adjusting the uplink and downlink time slot ratio can only be selected in configuration #0, configuration #1, configuration #3, configuration #4, and configuration #6, compare configuration #0, configuration #1, configuration #3, configuration# 4 and configuration #6, it can be known that the subframe type of the subframe with the subframe number #3 is determined, and #3 is The sub-frame, and the #4 sub-frame, the #6 sub-frame, the #7 sub-frame, the #8 sub-frame, and the #9 sub-frame may be either an uplink subframe or a downlink subframe, and therefore, the base station may use any of the following The mode notifies the subframe type information "01 11 10 10 00 01 00 00 00 00" or "DSUUFDFFFF" of the neighbor cell subframe.
  • the base station may carry the subframe type information of the neighboring subframe in the signaling that interacts with the terminal.
  • the terminal performs blind detection on the #4 subframe, the #6 subframe, the #7 subframe, the #8 subframe, and the #9 subframe according to the subframe type of the neighbor subframe notified by the base station, to determine whether each subframe is It is a downlink subframe.
  • the base station may directly send the information to the terminal, and the terminal determines, according to the determination, which blind detection is needed.
  • the subframe may also first determine, by the base station, which subframe configurations are determined, which subframe types are indeterminate, and notify the subframe type of each subframe, and the terminal only needs to be uncertain for the subframe type.
  • the sub-frame can be blindly checked, which greatly reduces the complexity of the blind detection of the terminal and saves the processing resources of the terminal.
  • the device and device for network-assisted terminal blind detection implemented by the network side and the device and device for blind detection of the network auxiliary terminal implemented by the terminal side are respectively provided in the embodiment of the present invention.
  • the system for blind detection of the network and the auxiliary terminal is similar to the method for solving the problem by the device, the device and the system, and the method for blind detection of the network auxiliary terminal implemented by the network side and the method for blind detection of the network auxiliary terminal implemented by the terminal side.
  • the implementation of the device, the device or the system can be referred to the implementation of the method, and the details are not repeated here.
  • FIG. 6 is a schematic structural diagram of an apparatus for blind detection of a first network auxiliary terminal according to an embodiment of the present invention, including:
  • the receiving unit 61 is configured to receive uplink and downlink time slot configuration information of the neighboring cell sent by the neighboring base station;
  • the notification unit 62 is configured to notify the terminal of the local area to blindly check related information, where the blind detection related information is determined according to the uplink and downlink time slot configuration information of the neighboring area.
  • the blind detection related information is the uplink and downlink time slot configuration information of the neighboring area
  • the uplink and downlink time slot configuration information of the neighboring area includes the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1.
  • the notification unit 62 can be used to notify the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring cell SIB1 of the local area.
  • the apparatus for blind detection of the first network auxiliary terminal may further include: a determining unit, where: the determining unit may be configured to use TDD UL/DL configuration information in the neighboring area SIB1 and DL reference UL/DL configuration information, respectively determining a subframe type of each subframe of the neighboring cell; and determining subframe type information of each subframe of the neighboring cell as the blind detection related information; the notification unit 62 may be used The subframe type of each subframe of the neighboring cell determined by the terminal in the local area is notified in a manner agreed in advance with the terminal of the local area.
  • modules or units
  • the functions of the various modules (or units) may be implemented in one or more software or hardware in the practice of the invention.
  • the device for blind detection of the first type of network auxiliary terminal may be set in the base station.
  • the device for blind detection of a second network auxiliary terminal includes:
  • the receiving unit 71 is configured to receive blind detection related information sent by the network side;
  • the information about the blind detection is determined by the network side according to the uplink and downlink time slot configuration information of the neighboring cell sent by the neighboring cell base station.
  • the blind detection unit 72 is configured to determine an adjacent type of neighboring subframe according to the blind detection related information, and perform blind detection on an adjacent type of adjacent subframe.
  • the uplink and downlink timeslot configuration information of the neighboring cell is the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1.
  • the blind detection unit 72 may be configured to use the TDD UL/DL configuration information in the neighboring area SIB1.
  • the DL reference UL/DL configuration information determines an adjacent type of neighboring subframe; and performs blind detection on the determined adjacent type of neighboring subframe.
  • the blind detection related information may further be a subframe type information of each subframe of the neighboring cell determined by the network side according to the TDD UL/DL configuration information and the DL reference UL/DL configuration information in the neighboring area SIB1.
  • the blind detecting unit 72 may be configured to determine, according to the subframe type information of each subframe of the neighboring cell, the neighboring subframe of the unknown type, and perform the subframe on the neighboring subframe of the unknown type. Blind check to determine if it is a downlink subframe.
  • modules or units
  • the functions of the various modules (or units) may be implemented in one or more software or hardware in the practice of the invention.
  • the device for blind detection of the first type of network auxiliary terminal may be set in the terminal.
  • the system for blind detection of a network auxiliary terminal includes a base station 81 and a terminal 82.
  • the base station 81 is provided with the above-mentioned first network auxiliary terminal blind detection device, and is set in the terminal 82.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the present invention may employ computer-usable storage media (including but not limited to disks) in one or more of the computer-usable program code embodied therein. The form of a computer program product implemented on a memory, CD-ROM, optical memory, or the like.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本发明公开了一种网络辅助终端盲检的方法、装置、系统及相关设备，其中，网络侧实施的网络辅助终端盲检的方法，包括如下步骤：接收邻区基站发送的邻区上下行时隙配置信息（S31）；通知本区终端盲检相关信息（S32），所述盲检相关信息为根据所述邻区上下行时隙配置信息确定出的。终端侧实施的网络辅助终端盲检的方法，包括如下步骤：接收网络侧发送的盲检相关信息；根据所述盲检相关信息确定未知类型的邻区子帧，并在未知类型的邻区子帧上进行盲检。本发明用以在网络辅助删除干扰过程中，降低终端盲检复杂度，节约终端处理资源。

Description

网络辅助终端盲检的方法、装置、系统及相关设备 技术领域
本发明涉及无线通信技术领域，尤其涉及一种网络辅助终端盲检的方法、装置、系统及相关设备。
背景技术
网络辅助干扰删除(NAICS)是指终端配置先进接收机，利用网络侧通知的干扰信息，结合自身盲检删除邻区干扰以提升接收性能。
分别如图1和图2所示，其中，图1为小区间干扰示意图，图2为网络辅助干扰删除示意图。终端为了进行有效的干扰删除，需要从网络侧获取的辅助信息，主要包括以下两类：一类是小区级别(Cell-specific)的辅助信息，包括系统带宽、同步指示以及Cell ID(邻区的小区标识)、CRS Ports(公共参考信号端口)以及PA参数和PB参数；另一类是用户级别(User-specific)的辅助信息，包括CSI-RS(Channel Status Information Reference Signal，信道状态信息参考信号)、TM(Transmission Mode，传输模式)、RI(Rank Indication，秩指示)、PMI(Precoding Matrix Indicator，预编码矩阵指示)，PA参数、MCS(Modulation and Coding Scheme，调制与编码策略)DMRS Ports(解调参考信号端口)、DMRS VCID(解调参考信号虚拟小区标识)、资源分配类型以及资源分配颗粒度等。
目前，LTE系统共支持7种上下行时隙配比，如表1所示：
表1
Figure PCTCN2015080380-appb-000001
Figure PCTCN2015080380-appb-000002
NAICS技术只能消除邻区的下行子帧干扰，对于上行子帧无能为力。终端只有确定邻区当前子帧为下行子帧时，才能通过NACIS进行干扰删除。对于上下时隙配比动态变化的应用场景，如小小区增强(eIMTA)应用场景中，由于高层信令时延较大，终端无法依靠高层信令获知邻区的当前子帧是否为下行子帧，只能依靠自身盲检获知邻区的当前子帧是否为下行子帧。根据表1可知，子帧号为{#3,#4,#6,#7,#8,#9}的6个子帧均有可能为下行子帧，因此，在极端情况下，终端需要在这6个子帧上进行盲检才能确定邻区的下行子帧。如表2所示：
表2
Figure PCTCN2015080380-appb-000003
这增加了终端盲检的复杂度，同时，由于终端盲检需要消耗终端的处理资源，造成终端处理资源的浪费。
发明内容
本发明实施例提供一种网络辅助终端盲检的方法、装置、系统及相关设备， 用以在网络辅助删除干扰过程中，降低终端盲检复杂度，节约终端处理资源。
本发明实施例提供一种网络侧实施的网络辅助终端盲检的方法，包括：
接收邻区基站发送的邻区上下行时隙配置信息；
通知本区终端盲检相关信息，所述盲检相关信息为根据所述邻区上下行时隙配置信息确定出的。
其中，所述邻区上下行时隙配置信息包括邻区系统信息块SIB1中的时分双工上下行时隙配置TDD UL/DL configuration信息和下行参考上下行时隙配置DL reference UL/DL configuration信息。
所述盲检相关信息为所述邻区SIB1中的TDD UL/DL configuration信息和用于小小区增强eIMTA的DL reference UL/DL configuration信息；以及
通知本区终端盲检相关信息，包括：
通知本区终端邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息。
按照以下方法确定盲检相关信息：
根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息，分别确定邻区每一子帧的子帧类型；
确定邻区每一子帧的子帧类型信息为所述盲检相关信息；以及
通知本区终端盲检相关信息，包括：
使用与本区终端事先约定的方式，通知本区终端确定出的邻区每一子帧的子帧类型。
本发明实施例提供一种网络辅助终端盲检的装置，包括：
接收单元，用于接收邻区基站发送的邻区上下行时隙配置信息；
通知单元，用于通知本区终端盲检相关信息，所述盲检相关信息为根据所述邻区上下行时隙配置信息确定出的。
所述盲检相关信息为所述邻区上下行时隙配置信息，所述邻区上下行时隙配置信息包括邻区系统信息块SIB1中的时分双工上下行时隙配置TDD UL/DL configuration信息和用于小小区增强eIMTA的下行参考上下行时隙配 置DL reference UL/DL configuration信息；以及
所述通知单元，具体用于通知本区终端邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息。
所述邻区上下行时隙配置信息包括邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；以及
所述装置，还包括确定单元，其中：
所述确定单元，用于根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息，分别确定邻区每一子帧的子帧类型；并确定邻区每一子帧的子帧类型信息为所述盲检相关信息；
所述通知单元，具体用于使用与本区终端事先约定的方式，通知本区终端确定出的邻区每一子帧的子帧类型。
本发明实施例提供一种基站，包括上述网络侧实施的网络辅助终端盲检的装置。
本发明实施例提供一种终端侧实施的网络辅助终端盲检的方法，包括：
接收网络侧发送的盲检相关信息；
根据所述盲检相关信息确定未知类型的邻区子帧，并在未知类型的邻区子帧上进行盲检。
所述盲检相关信息为所述网络侧根据邻区基站发送的邻区上下行时隙配置信息确定出的。
所述邻区上下行时隙配置信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；所述盲检相关信息为所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；以及
根据所述盲检相关信息确定未知类型的邻区子帧，包括：
根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定未知类型的邻区子帧。
所述邻区上下行时隙配置信息为邻区SIB1中的TDD UL/DL configuration 信息和DL reference UL/DL configuration信息；所述盲检相关信息为所述网络侧根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定出的邻区每一子帧的子帧类型信息；
根据所述盲检相关信息确定未知类型的邻区子帧，包括：
根据邻区每一子帧的子帧类型信息确定未知类型的邻区子帧。
本发明实施例提供一种终端侧实施的网络辅助终端盲检的装置，包括：
接收单元，用于接收网络侧发送的盲检相关信息；
盲检单元，用于根据所述盲检相关信息确定未知类型的邻区子帧，并在未知类型的邻区子帧上进行盲检。
所述盲检相关信息为所述网络侧根据邻区基站发送的邻区上下行时隙配置信息确定出的，所述邻区上下行时隙配置信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；所述盲检相关信息为所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；以及
所述盲检单元，具体用于根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定未知类型的邻区子帧。
所述盲检相关信息为所述网络侧根据邻区基站发送的邻区上下行时隙配置信息确定出的，所述邻区上下行时隙配置信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；所述盲检相关信息为所述网络侧根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定出的邻区每一子帧的子帧类型信息；以及
所述盲检单元，具体用于根据邻区每一子帧的子帧类型信息确定未知类型的邻区子帧。
本发明实施例提供一种终端，包括上述终端侧实施的网络辅助终端盲检的装置。
本发明实施例提供一种网络辅助终端盲检的系统，包括基站和终端，其中，所述基站中设置有上述网络侧实施的网络辅助终端盲检的装置，所述终端中设置有上述终端侧实施的网络辅助终端盲检的装置。
本发明实施例提供的网络辅助终端盲检的方法、装置、系统及相关设备，在网络侧，基站接收邻区发送的邻区上下行时隙配置信息，据此确定本区终端的盲检相关信息并通知本区终端，使得终端能够根据接收到的盲检相关信息确定未知类型的邻区子帧，并在未知类型的邻区子帧上进行盲检以确定该邻区子帧是否为下行子帧，由此可见，根据本发明实施例，终端只需要对根据盲检相关信息无法确定类型的邻区子帧进行盲检，而无需遍历每一邻区子帧，从而降低了终端盲检的复杂度，节约了终端的处理资源。
本发明的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在所写的说明书、权利要求书、以及附图中所特别指出的结构来实现和获得。
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，构成本发明的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为现有技术中，小区间干扰示意图；
图2为现有技术中，网络辅助干扰删除示意图；
图3为本发明实施例中，网络侧实施网络辅助终端盲检方法的实施流程示意图；
图4为本发明实施例中，终端侧实施网络辅助终端盲检方法的实施流程示意图；
图5a为本发明实施例中，第一种邻区上下行配置信息示意图；
图5b为本发明实施例中，第二种邻区上下行配置信息示意图；
图5c为本发明实施例中，第三种邻区上下行配置信息示意图；
图6为本发明实施例中，第一种网络辅助终端盲检装置的结构示意图；
图7为本发明实施例中，第二种网络辅助终端盲检装置的结构示意图；
图8为本发明实施例中，网络辅助终端盲检系统的结构示意图。
具体实施方式
为了降低终端在邻区上下时隙配比动态变化的场景中进行网络辅助干扰删除时盲检的复杂度，节约终端处理资源，本发明实施例提供了一种网络辅助终端盲检的方法、装置、系统及相关设备。
以下结合说明书附图对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明，并且在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。
如图3所示，为网络侧实施网络辅助终端盲检的方法的实施流程示意图，包括以下步骤：
S31、接收邻区基站发送的邻区上下行时隙配置信息。
具体实施时，在eIMTA场景中，eNB(基站)可以根据上下行业务比例等信息动态调整上下行时隙配比。具体的，eNB通过DCI(Downlink Control Information，下行控制信息)通知UE(User Equipment，用户终端)使用的上下行时隙配置，所能够支持的最短调整时间为10ms。同时，eIMTA场景下，使用reference configuration(参考配置)来解决上下行时隙配比快速调整引起的HARQ(Hybrid Automatic Repeat Request，混合自动重传请求)时序问题，eNB使用SIB1(System Information Block1，系统信息块1，SIB1用于描述小区接入相关信息)中的TDD UL/DL configuration(时分双工上下行时隙配置)信息作为UL reference configuration(上行物理信道配置)，使用高层信令通知DL reference UL/DL configuration(下行参考上下行时隙配置)。一般来说，SIB1中的TDD UL/DL configuration的下行子帧不能用作灵活子帧，即TDD UL/DL configuration中的下行子帧是固定不变的，DL reference UL/DL configuration的上行子帧不能用作灵活子帧，即DL reference UL/DL configuration中的上行子帧是固定不变的。
基于此，本发明实施例中，邻区的上下行时隙配置信息包括邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息。具体实施时，邻区基站可以通过X2接口通知本基站上述上下行时隙配置信息。
S32、通知本区终端盲检相关信息。
其中，盲检相关信息为本基站根据邻区上下行时隙配置信息确定出的。
本发明实施例中，本基站可以但不限于按照以下两种方式确定本区终端的盲检相关信息：方式一、网络侧直接将邻区上下行时隙配置信息作为盲检相关信息发送给终端，由终端根据邻区上下行时隙配置信息确定邻区子帧的子帧类型，从而确定哪些子帧需要盲检哪些子帧可以不用盲检；方式二、由网络侧根据邻区上下行时隙配置信息分别确定邻区每一子帧的子帧类型，其中，子帧类型可以包括：上行子帧、下行子帧、特殊子帧和未知类型子帧，网络侧通知终端邻区每一子帧的子帧类型信息，终端根据邻区子帧的子帧类型信息直接确定那一子帧需要盲检(未知类型子帧需要盲检)，与方式一相比，方式二中终端无需对盲检相关信息进行处理即可直接确定需要盲检那一子帧，从而能够进一步节约终端的处理资源。以下分别介绍之：
方式一、
本基站确定邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息为盲检相关信息，直接通知终端邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息，使得终端根据SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息能够确定哪些子帧的子帧类型为上行子帧，哪些子帧的子帧类型为下行子帧，或者哪些子帧的子帧类型为特殊子帧，或者哪些子帧的子帧类型无法确定，即子帧的子帧类型未知，这样，终端在进行盲检时，只需要盲检未知类型的子帧即可，对于确定类型的子帧无需进行盲检，从而能够降低终端盲检的复杂度，节约终端处理资源。
方式二、本基站对接收到的邻区SIB1中的TDD UL/DL configuration信息 和DL reference UL/DL configuration信息进行处理，将处理结果作为盲检相关信息通知本区终端。
例如，本基站可以根据邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息，分别确定邻区每一子帧的子帧类型，并使用与终端事先约定的方式将邻区每一子帧的子帧类型发送给终端。
具体的，本基站可以但不限于通过以下两种方式通知本区终端邻区每一子帧的子帧类型：
方式一、基站使用2个比特位表示邻区子帧的子帧类型。例如，基站与终端事先约定“00”表示未知类型子帧，“01”表示下行子帧(D)，“10”表示上行子帧(U)，“11”表示特殊子帧(S)。每一无线帧其共包含10个子帧，因此，基站共使用20个比特依次表示每一子帧的子帧类型。例如：01 11 10 10 10 01 11 10 10 10表示子帧号为0，1,2，……9分别对应的子帧类型为：下行子帧、特殊子帧、上行子帧、上行子帧、上行子帧、下行子帧、特殊子帧、上行子帧、上行子帧、上行子帧。
方式二、基站与终端约定使用“D”表示下行子帧，“U”表示上行子帧、“S”表示特殊子帧、“F”表示未知类型。DSUUU DSUUU表示表示子帧号为0，1,2，……9分别对应的子帧类型为：下行子帧、特殊子帧、上行子帧、上行子帧、上行子帧、下行子帧、特殊子帧、上行子帧、上行子帧、上行子帧。
终端在接收到网络侧发送的盲检相关信息之后，根据网络侧的指示进行盲检。具体的，如图4所示，为终端侧实施网络辅助终端盲检的方法的实施流程示意图，包括以下步骤：
S41、终端接收网络侧发送的盲检相关信息。
其中，盲检相关信息为网络侧根据邻区基站发送的邻区上下行时隙配置信息确定出的，具体确定方式可以参见上述网络侧实施的网络辅助终端盲检的方法，这里不再赘述。
S42、终端根据盲检相关信息确定未知类型的邻区子帧，并在未知类型的 邻区子帧上进行盲检。
具体实施时，由于网络侧确定盲检相关信息有两种实现方式，相应的，网络侧通知终端的盲检相关信息包括以下两种：1)盲检相关信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；2)盲检相关信息为网络侧确定出的邻区每一子帧的子帧类型信息。
具体实施时，如果网络侧通知的盲检相关信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息时，则终端首先需要根据邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定各邻区子帧的子帧类型，其中，子帧类型包括上行子帧、下行子帧、特殊子帧和未知类型子帧，终端针对其中未知类型的邻区子帧进行盲检，以确定该子帧的子帧类型，如果是下行子帧则需要进行干扰删除。如果是上行子帧或者特殊子帧，则不需要进行干扰删除。如果网络侧通知终端的盲检相关信息为邻区每一子帧的子帧类型信息，则终端直接根据邻区每一子帧的子帧类型信息确定未知类型的邻区子帧，并在未知类型的邻区子帧上进行盲检即可，以确定该子帧的子帧类型，如果是下行子帧则需要进行干扰删除。
为了更好的理解本发明实施例，以下结合具体的实施对本发明实施例的具体实施过程进行说明。
如图5a所示，为第一种邻区上下行配置信息示意图。邻区基站通知本基站邻区的上下行时隙配置信息如下：“SIB1中的TDD UL/DL configuration为config#1，邻区的DL reference UL/DL configuration为config#2”。
以基站直接通知终端邻区的上下性时隙配置信息为例，本基站通知本区UE：“邻区的SIB1中的TDD UL/DL configuration为config#1，邻区的DL reference UL/DL configuration为config#2”。终端在接收到上述上下行时隙配置信息之后，由于SIB1中的TDD UL/DL configuration中的下行子帧是固定的，DL reference UL/DL configuration的上行子帧是固定的，因此，邻区基站在为邻区内的终端动态调整上下行时隙配比时，只能从满足SIB1中的TDD UL/DL  configuration中的下行时隙是固定且DL reference UL/DL configuration的上行时隙固定的时隙配置中选择，即满足#4、#9号子帧是下行子帧且#7号子帧是上行子帧的时隙配置中选择，根据表1可知，满足该条件的只有配置#1和配置#2(图5a中黑色虚线框内的两条配置)，也就是说即使邻区基站为邻区终端动态调整上下行时隙配比，也只能选择配置#1和配置#2的两条配置，比较配置#1和配置#2可知，子帧号为#4、#6、#7和#9的子帧的子帧类型是确定的，其中，#4为下行子帧、#6为特殊子帧、#7为上行子帧以及#9为下行子帧，而#3子帧和#8子帧即可能是上行子帧也可能是下行子帧，因此，终端需要对#3子帧和#8子帧进行盲检以确定其是否为下行子帧即可，由此，大大降低了终端盲检的复杂度，节约了终端处理资源。
以本基站通知本区终端邻区子帧的子帧类型为例，本基站首先确定邻区每一子帧对应的子帧类型，与上述描述类似，由于SIB1中的TDD UL/DL configuration中的下行子帧是固定的，DL reference UL/DL configuration的上行子帧是固定的，因此，邻区基站在为邻区内的终端动态调整上下行时隙配比时，只能从满足SIB1中的TDD UL/DL configuration中的下行时隙是固定且DL reference UL/DL configuration的上行时隙固定的时隙配置中选择，即满足#4、#9号子帧是下行子帧，且#7是上行子帧的时隙配置中选择，根据表1可知，满足该条件的只有配置#1和配置#2(图5a中黑色虚线框内的两条配置)，也就是说即使邻区基站为邻区终端动态调整上下行时隙配比，也只能选择配置#1和配置#2的两条配置，比较配置#1和配置#2可知，子帧号为#4、#6、#7和#9的子帧的子帧类型是确定的，#4为下行子帧、#6为特殊子帧、#7为上行子帧以及#9为下行子帧，而#3子帧和#8子帧即可能是上行子帧也可能是下行子帧，因此，基站可以使用以下任一方式通知终端邻区子帧的子帧类型信息“01 11 10 00 01 01 11 10 00 01”或者“DSUFDDSUFD”。具体的，基站可以在与终端交互的信令中携带邻区子帧的子帧类型信息。终端根据基站通知的邻区子帧的子帧类型信息，在#3子帧、#8子帧上进行盲检，以确定其是否为下行子帧。
如图5b所示，为第二种邻区上下行配置信息示意图。邻区基站通知本基站邻区的上下行时隙配置信息如下：“SIB1中的TDD UL/DL configuration为config#0，邻区的DL reference UL/DL configuration为config#2”。
以基站直接通知终端邻区的上下性时隙配置信息为例，本基站通知本区UE：“邻区的SIB1中的TDD UL/DL configuration为config#0，邻区的DL reference UL/DL configuration为config#2”。终端在接收到上述上下行时隙配置信息之后，由于SIB1中的TDD UL/DL configuration中的下行子帧是固定的，DL reference UL/DL configuration的上行子帧是固定的，因此，邻区基站在为邻内的终端动态调整上下行时隙配比时，只能从满足SIB1中的TDD UL/DL configuration中的下行时隙是固定且DL reference UL/DL configuration的上行时隙固定的时隙配置中选择，即满足#7子帧是上行子帧的时隙配置中选择，根据表1可知，满足该条件的有配置#0、#1、#2和#6(图5b中黑色虚线框内的四条配置)，也就是说即使邻区基站为邻区终端动态调整上下行时隙配比，也只能在配置#0、配置#1、配置#2和配置#6中选择，比较配置#0、配置#1、配置#2和配置#6可知，子帧号为#6、#7的子帧的子帧类型是确定的，#6为特殊子帧、#7为上行子帧，而#3子帧、#4子帧、#8子帧和#9子帧既可能是上行子帧也可能是下行子帧，因此，终端需要对#3子帧、#4子帧、#8子帧和#9子帧进行盲检以确定其是否为下行子帧，相比于终端需要盲检6个子帧，降低了终端盲检的复杂度，节约了终端处理资源。
以本基站通知本区终端邻区子帧的子帧类型为例，本基站首先确定邻区每一子帧对应的子帧类型，与上述描述类似，由于SIB1中的TDD UL/DL configuration中的下行子帧是固定的，DL reference UL/DL configuration的上行子帧是固定的，因此，邻区基站在为邻区内的终端动态调整上下行时隙配比时，只能从满足SIB1中的TDD UL/DL configuration中的下行时隙是固定且DL reference UL/DL configuration的上行时隙固定的时隙配置中选择，即满足#7子帧是上行子帧的时隙配置中选择，根据表1可知，满足该条件的有配置#0、#1、#2和#6(图5b中黑色虚线框内的四条配置)，也就是说即使邻区基 站为邻区终端动态调整上下行时隙配比，也只能在配置#0、配置#1、配置#2和配置#6中选择，比较配置#0、配置#1、配置#2和配置#6可知，子帧号为#6、#7的子帧的子帧类型是确定的，#6为特殊子帧、#7为上行子帧，而#3子帧、#4子帧、#8子帧和#9子帧既可能是上行子帧也可能是下行子帧，因此，基站可以使用以下任一方式通知终端邻区子帧的子帧类型信息“01111000000111100000”或者“DSUFFDSUFF”。具体的，基站可以在与终端交互的信令中携带邻区子帧的子帧类型信息。终端根据基站通知的邻区子帧的子帧类型信息，在#3子帧、#4子帧、#8子帧和#9子帧上进行盲检，以确定各子帧是否为下行子帧。
如图5c所示，为第三种邻区上下行配置信息示意图。邻区基站通知本基站邻区的上下行时隙配置信息如下：“SIB1中的TDD UL/DL configuration为config#0，邻区的DL reference UL/DL configuration为config#4”。
以基站直接通知终端邻区的上下性时隙配置信息为例，本基站通知本区UE：“邻区的SIB1中的TDD UL/DL configuration为config#0，邻区的DL reference UL/DL configuration为config#4”。终端在接收到上述上下行时隙配置信息之后，由于SIB1中的TDD UL/DL configuration中的下行子帧是固定的，DL reference UL/DL configuration的上行子帧是固定的，因此，邻区基站在为邻区内的终端动态调整上下行时隙配比时，只能从满足SIB1中的TDD UL/DL configuration中的下行时隙是固定且DL reference UL/DL configuration的上行时隙固定的时隙配置中选择，即满足#3、#4子帧是上行子帧的时隙配置中选择，根据表1可知，满足该条件的有配置#0、#1、#3、#4和#6(图5b中黑色虚线框内的五条配置)，也就是说即使邻区基站为邻区终端动态调整上下行时隙配比，也只能在配置#0、配置#1、配置#3、配置#4和配置#6中选择，比较配置#0、配置#1、配置#3、配置#4和配置#6可知，子帧号为#3的子帧的子帧类型是确定的，#3为上行子帧，而#4子帧、#6子帧、#7子帧、#8子帧和#9子帧既可能是上行子帧也可能是下行子帧，因此，终端需要对#4子帧、#6子帧、#7子帧、#8子帧和#9子帧进行盲检以确定其是否为下行子帧，由 此，相比于终端需要盲检6个子帧，降低了终端盲检的复杂度，节约了终端处理资源。
以本基站通知本区终端邻区子帧的子帧类型为例，本基站首先确定邻区每一子帧对应的子帧类型，与上述描述类似，由于SIB1中的TDD UL/DL configuration中的下行子帧是固定的，DL reference UL/DL configuration的上行子帧是固定的，因此，邻区基站在为邻区内的终端动态调整上下行时隙配比时，只能从满足SIB1中的TDD UL/DL configuration中的下行时隙是固定且DL reference UL/DL configuration的上行时隙固定的时隙配置中选择，即满足#3、#4子帧是上行子帧的时隙配置中选择，根据表1可知，满足该条件的有配置#0、#1、#3、#4和#6(图5b中黑色虚线框内的五条配置)，也就是说即使邻区基站为邻区终端动态调整上下行时隙配比，也只能在配置#0、配置#1、配置#3、配置#4和配置#6中选择，比较配置#0、配置#1、配置#3、配置#4和配置#6可知，子帧号为#3的子帧的子帧类型是确定的，#3为上行子帧，而#4子帧、#6子帧、#7子帧、#8子帧和#9子帧既可能是上行子帧也可能是下行子帧，因此，基站可以使用以下任一方式通知终端邻区子帧的子帧类型信息“01 11 10 10 00 01 00 00 00 00”或者“DSUUFDFFFF”。具体的，基站可以在与终端交互的信令中携带邻区子帧的子帧类型信息。终端根据基站通知的邻区子帧的子帧类型，在#4子帧、#6子帧、#7子帧、#8子帧和#9子帧上进行盲检，以确定各子帧是否为下行子帧。
本发明实施例提供的网络辅助终端盲检的方法中，基站在接收到邻区基站发送的邻区上下行时隙配置信息之后，可以直接将其发送给终端由终端据此确定需要盲检哪些子帧，也可以由基站首先确定出哪些子帧配型是确定的，哪些子帧类型是不确定的，并通知终端各子帧的子帧类型，而终端只需要针对子帧类型不确定的子帧进行盲检即可，大大降低了终端盲检的复杂度，节约了终端的处理资源。
基于同一发明构思，本发明实施例中还分别提供了一种网络侧实施的网络辅助终端盲检的装置及设备和终端侧实施的网络辅助终端盲检的装置及设 备以及网络辅助终端盲检的系统，由于上述装置、设备及系统解决问题的原理与与网络侧实施的网络辅助终端盲检的方法和终端侧实施的网络辅助终端盲检的方法相似，因此上述装置、设备即系统的实施可以参见方法的实施，重复之处不再赘述。
如图6所示，为本发明实施例提供的第一种网络辅助终端盲检的装置的结构示意图，包括：
接收单元61，用于接收邻区基站发送的邻区上下行时隙配置信息；
通知单元62，用于通知本区终端盲检相关信息，所述盲检相关信息为根据所述邻区上下行时隙配置信息确定出的。
具体实施时，盲检相关信息为邻区上下行时隙配置信息，邻区上下行时隙配置信息包括邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息。
基于此，所述通知单元62，可以用于通知本区终端邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息。
具体实施时，本发明实施例提供的第一种网络辅助终端盲检的装置，还可以包括确定单元，其中：确定单元，可以用于根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息，分别确定邻区每一子帧的子帧类型；并确定邻区每一子帧的子帧类型信息为所述盲检相关信息；所述通知单元62，可以用于使用与本区终端事先约定的方式，通知本区终端确定出的邻区每一子帧的子帧类型。
为了描述的方便，以上各部分按照功能划分为各模块(或单元)分别描述。当然，在实施本发明时可以把各模块(或单元)的功能在同一个或多个软件或硬件中实现。
具体实施时，上述第一种网络辅助终端盲检的装置可以设置在基站中。
如图7所示，为本发明实施例提供的第二种网络辅助终端盲检的装置，包括：
接收单元71，用于接收网络侧发送的盲检相关信息；
其中，所述盲检相关信息为所述网络侧根据邻区基站发送的邻区上下行时隙配置信息确定出的。
盲检单元72，用于根据所述盲检相关信息确定未知类型的邻区子帧，并在未知类型的邻区子帧上进行盲检。
其中，邻区上下行时隙配置信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息。
若终端接收到的盲检相关信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息，则盲检单元72可以用于根据邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定未知类型的邻区子帧；在确定出的未知类型的邻区子帧上进行盲检。
较佳的，盲检相关信息还可以为网络侧根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定出的邻区每一子帧的子帧类型信息，在接收单元71接收到盲检相关信息之后，盲检单元72可以用于根据邻区每一子帧的子帧类型信息确定未知类型的邻区子帧，在未知类型的邻区子帧上进行盲检，以确定其是否为下行子帧。
为了描述的方便，以上各部分按照功能划分为各模块(或单元)分别描述。当然，在实施本发明时可以把各模块(或单元)的功能在同一个或多个软件或硬件中实现。
具体实施时，上述第一种网络辅助终端盲检的装置可以设置在终端中。
如图8所示，为本发明实施例提供的网络辅助终端盲检的系统，包括基站81和终端82，其中，基站81中设置有上述第一种网络辅助终端盲检装置，终端82中设置有上述第二种网络辅助终端盲检装置。
本领域内的技术人员应明白，本发明的实施例可提供为方法、系统、或计算机程序产品。因此，本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘 存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本发明的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (17)

  1. 一种网络辅助终端盲检的方法，其特征在于，包括：
    接收邻区基站发送的邻区上下行时隙配置信息；
    通知本区终端盲检相关信息，所述盲检相关信息为根据所述邻区上下行时隙配置信息确定出的。
  2. 如权利要求1所述的方法，其特征在于，所述邻区上下行时隙配置信息包括邻区系统信息块SIB1中的时分双工上下行时隙配置TDD UL/DL configuration信息和用于小小区增强eIMTA的下行参考上下行时隙配置DL reference UL/DL configuration信息。
  3. 如权利要求2所述的方法，其特征在于，所述盲检相关信息为所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；以及
    通知本区终端盲检相关信息，包括：
    通知本区终端邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息。
  4. 如权利要求2所述的方法，其特征在于，按照以下方法确定盲检相关信息：
    根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息，分别确定邻区每一子帧的子帧类型；
    确定邻区每一子帧的子帧类型信息为所述盲检相关信息；以及
    通知本区终端盲检相关信息，包括：
    使用与本区终端事先约定的方式，通知本区终端确定出的邻区每一子帧的子帧类型。
  5. 一种网络辅助终端盲检的装置，其特征在于，包括：
    接收单元，用于接收邻区基站发送的邻区上下行时隙配置信息；
    通知单元，用于通知本区终端盲检相关信息，所述盲检相关信息为根据 所述邻区上下行时隙配置信息确定出的。
  6. 如权利要求5所述的装置，其特征在于，所述盲检相关信息为所述邻区上下行时隙配置信息，所述邻区上下行时隙配置信息包括邻区系统信息块SIB1中的时分双工上下行时隙配置TDD UL/DL configuration信息和用于小小区增强eIMTA的下行参考上下行时隙配置DL reference UL/DL configuration信息；以及
    所述通知单元，具体用于通知本区终端邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息。
  7. 如权利要求5所述的装置，其特征在于，所述邻区上下行时隙配置信息包括邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；以及
    所述装置，还包括确定单元，其中：
    所述确定单元，用于根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息，分别确定邻区每一子帧的子帧类型；并确定邻区每一子帧的子帧类型信息为所述盲检相关信息；
    所述通知单元，具体用于使用与本区终端事先约定的方式，通知本区终端确定出的邻区每一子帧的子帧类型。
  8. 一种基站，其特征在于，包括权利要求5、6或7所述的装置。
  9. 一种网络辅助终端盲检的方法，其特征在于，包括：
    接收网络侧发送的盲检相关信息；
    根据所述盲检相关信息确定未知类型的邻区子帧，并在未知类型的邻区子帧上进行盲检。
  10. 如权利要求9所述的方法，其特征在于，所述盲检相关信息为所述网络侧根据邻区基站发送的邻区上下行时隙配置信息确定出的。
  11. 如权利要求10所述的方法，其特征在于，所述邻区上下行时隙配置信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；所述盲检相关信息为所述邻区SIB1中的TDD UL/DL  configuration信息和DL reference UL/DL configuration信息；以及
    根据所述盲检相关信息确定未知类型的邻区子帧，包括：
    根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定未知类型的邻区子帧。
  12. 如权利要求10所述的方法，其特征在于，所述邻区上下行时隙配置信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；所述盲检相关信息为所述网络侧根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定出的邻区每一子帧的子帧类型信息；
    根据所述盲检相关信息确定未知类型的邻区子帧，包括：
    根据邻区每一子帧的子帧类型信息确定未知类型的邻区子帧。
  13. 一种网络辅助终端盲检的装置，其特征在于，包括：
    接收单元，用于接收网络侧发送的盲检相关信息；
    盲检单元，用于根据所述盲检相关信息确定未知类型的邻区子帧，并在未知类型的邻区子帧上进行盲检。
  14. 如权利要求13所述的装置，其特征在于，所述盲检相关信息为所述网络侧根据邻区基站发送的邻区上下行时隙配置信息确定出的，所述邻区上下行时隙配置信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；所述盲检相关信息为所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；以及
    所述盲检单元，具体用于根据所述邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定未知类型的邻区子帧。
  15. 如权利要求13所述的装置，其特征在于，所述盲检相关信息为所述网络侧根据邻区基站发送的邻区上下行时隙配置信息确定出的，所述邻区上下行时隙配置信息为邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息；所述盲检相关信息为所述网络侧根据所述 邻区SIB1中的TDD UL/DL configuration信息和DL reference UL/DL configuration信息确定出的邻区每一子帧的子帧类型信息；以及
    所述盲检单元，具体用于根据邻区每一子帧的子帧类型信息确定未知类型的邻区子帧。
  16. 一种终端，其特征在于，包括权利要求13、14或15所述装置。
  17. 一种网络辅助终端盲检的系统，其特征在于，包括基站和终端，其中，所述基站中设置有权利要求5、6或7所述的装置，所述终端中设置有权利要求13、14或15所述装置。
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