WO2013107228A1 - Procédé et dispositif de transmission et de sélection d'un ensemble de signalisation virtuelle de signal de référence de sondage - Google Patents

Procédé et dispositif de transmission et de sélection d'un ensemble de signalisation virtuelle de signal de référence de sondage Download PDF

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Publication number
WO2013107228A1
WO2013107228A1 PCT/CN2012/086344 CN2012086344W WO2013107228A1 WO 2013107228 A1 WO2013107228 A1 WO 2013107228A1 CN 2012086344 W CN2012086344 W CN 2012086344W WO 2013107228 A1 WO2013107228 A1 WO 2013107228A1
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Prior art keywords
control information
srs
signaling
downlink
uplink
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English (en)
Chinese (zh)
Inventor
郭森宝
孙云锋
张峻峰
陈东丽
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Definitions

  • the present invention relates to the field of communications, and in particular to a method and apparatus for transmitting and selecting a virtual signaling group of sounding reference signals.
  • LTE Long Term Evolution
  • the Long Term Evolution (LTE) system has undergone research on the R11 version after several versions of R8, R9, and R10. At present, some R8 versions are gradually commercialized, and R9 and R10 are pending further product planning. After the two stages of R8 and R9, the R10 version adds many new features based on the former two, such as Demodulation Reference Signal (DMRS), channel status information reference. Pilot characteristics such as Channel State Information Reference Signal (CSI-RS), transmission and feedback characteristics such as 8 antenna support, especially inter-cell interference cancellation enhancement (elCIC) technology is considered.
  • DMRS Demodulation Reference Signal
  • CSI-RS Channel State Information Reference Signal
  • elCIC inter-cell interference cancellation enhancement
  • the interference avoidance technique between cells is further considered.
  • the cell interference avoidance under the isomorphic network is mainly considered in the early stage of the R10 version, especially the elCIC technology and Coordinated Multi-point (CoMP) are mainly considered.
  • CoMP technology refers to multiple nodes cooperating to send data to one or more UEs at the same time-frequency resource or different time-frequency resources.
  • the technology has the functions of reducing interference between cells, improving throughput of cell edges, and expanding cell coverage. Etc.
  • LTE defines a Physical Downlink Control Channel (PDCCH) bearer scheduling allocation and other control information.
  • PDCCH Physical Downlink Control Channel
  • Each PDCCH is composed of a number of Control Channel Elements (CCEs), and CCEs of each subframe. The number is determined by the number of PDCCHs and the downstream bandwidth.
  • CCEs Control Channel Elements
  • the UE obtains the PDCCH by blind detection in the search space, and the search space is divided into a common search space and a UE-specific search space.
  • the public search space refers to an area that all UEs search for, and the space carries cell-specific information; the dedicated search space is a spatial range that a single UE will search, and multiple UE-specific searches are empty. There may be overlaps between them, however, the general initial search position of each UE is different.
  • the base station sends a notification to the UE through the high layer signaling to inform the UE of the UE working mode to be adopted and the Cyclic Redundancy Check (CRC) scrambled wireless for the PDCCH.
  • CRC Cyclic Redundancy Check
  • Table 1 is a relationship table between the search space Sf and the aggregation level L and the number of candidate PDCCHs M ( ) , where the aggregation level is the number of CCEs occupied by the PDCCH.
  • the user equipment When performing blind detection in the user-specific search space, the user equipment first calculates the blind detection initial position 1 according to the user identification (UE ID) and the subframe number, and then performs detection in the search space until the PDCCH assigned to itself is detected.
  • Table 1 Relationship between search space S ⁇ and aggregation level L and number of candidate PDCCHs M ( )
  • Table 2 is a correspondence table between the aggregation level and the relative position of the first Control Channel Element (CCE) of the PDCCH in the user-specific search space.
  • Table 2 Correspondence table between the aggregation level and the first CCE location
  • the Sounding Reference Signal is used to obtain channel information based on channel reciprocity.
  • Time Division Duplex (referred to as Time Division Duplex) TDD) is an important feedback technique in CoMP systems.
  • SRS is also an important channel detection technology in the uplink CoMP system (also belongs to feedback technology).
  • Aperiodic-Sounding Reference Signal (A-SRS) is introduced in the R10 version.
  • a plurality of micro cells ie, cells under the RRH
  • the hot spot coverage capability and the blind spot coverage capability of the macro cell are increased, so that the macro cell is compared with the macro cell.
  • a traditional homogeneous network cell can support more users to communicate.
  • the macro cell and all RRHs under its coverage have the same cell identity (Cell lD), that is, the macro cell in which multiple micro cells are set still uses only one SRS like the traditional homogeneous cell. Virtual signaling group, therefore, there is still a problem of insufficient SRS capacity under CoMP scenario 4.
  • the SRS may be occupied by two OFDM symbols, and the pilot sequences on the two SRS symbols need to be spread in time according to the walsh code. If one SRS symbol is considered, frequency domain-based spreading may be considered, namely: Two resource elements adjacent to one UE in the frequency domain can use walsh for time domain spreading;
  • Idea 4 Consider increasing the reuse factor of SRS , Namely: to increase the SRS comb carrier indication (comb) range, in the present standard, the SRS comb can take the values 0, 1, representing different comb frequency domain, For the enhancement of comb, we can consider expanding the comb value to 0, 1, 2, 3, so that the frequency domain orthogonality of up to 4 user SRS can be supported in the same resource block.
  • SRS power control For SRS power control, the following two solutions are available: I. Configuring power control parameters based on UE-Specific SRS. When the UE uses SRS to perform different link adaptation, different power control can be used. Factor 2: Configure the power control parameters of the UE-Specific-based SRS. When the UE uses the SRS to perform uplink node receive power compensation, different power control factors may be used.
  • SRS capacity enhancement, SRS interference reduction enhancement and SRS power control it does not propose an effective and specific mature solution. The solution is to deal with the problem of insufficient SRS capacity in the asymmetric scenario of uplink and downlink data transmission.
  • the present invention provides a method and apparatus for transmitting and selecting a sounding reference signal virtual signaling group, so as to at least solve the lack of an effective and specific mature solution in the related art to cope with SRS in an asymmetric scenario of uplink and downlink data transmission.
  • the problem of insufficient capacity According to an aspect of the present invention, a method of transmitting and selecting a sounding reference signal virtual signaling group is provided.
  • the method for transmitting and selecting a sounding reference signal virtual signaling group according to the present invention includes: the UE acquiring uplink grant control information or downlink grant control information from a currently received subframe, where the uplink grant control information or downlink grant control information The UE carries the preset indication information.
  • the UE selects the SRS virtual information corresponding to the indication information from multiple sets of SRS virtual signaling groups configured by the UE in advance according to the correspondence between the indication information and the sounding reference signal SRS virtual signaling group. Order group.
  • the method further includes: receiving, by the UE, the base station, configured by the base station, by using the high layer signaling or the physical layer signaling
  • the SRS virtual signaling group is set, and multiple sets of SRS virtual signaling groups are stored.
  • the method further includes: the base station configuring the UE by using high layer signaling or physical layer signaling. Multiple sets of SRS virtual signaling groups.
  • the method further includes: adding, by the base station, the uplink on the physical downlink control channel PDCCH region or the enhanced physical downlink control channel EPDCCH region of the subframe Authorization control information or downlink authorization control information; the base station sends a subframe carrying uplink grant control information or downlink grant control information to the UE.
  • the UE obtains the uplink grant control information or the downlink grant control information from the currently received subframe, and the method includes: the UE performs blind detection on the subframe, and obtains uplink grant control information or downlink grant control information that is carried in the subframe.
  • the UE selects the SRS virtual signaling group corresponding to the indication information from the multiple sets of SRS virtual signaling groups, including: the UE performs blind detection on the uplink authorization control information or the downlink authorization control information, and obtains indication information; The SRS virtual signaling group corresponding to the indication information is selected in the SRS virtual signaling group.
  • the method further includes: the UE selecting an uplink measurement pilot that matches the UE according to the virtual signaling group corresponding to the indication information. Pilot parameters; the UE transmits an uplink measurement pilot according to the pilot parameters.
  • the indication information includes at least one of: transmission power control TPC bit information of the uplink grant control information; new data transmission indication information in the invalid transport block TB signaling in the uplink grant control information or the downlink grant control information; The aggregation level of the uplink grant control information or the downlink grant control information in the dedicated search space, or the aggregation level of the uplink grant control information or the downlink grant control information in the public search space; the uplink grant control information or the downlink in the UE-specific search space The relative position information of the first control channel unit CCE of the authorization control information in the UE-specific search space, or the relative CCE of the uplink authorization control information or the downlink authorization control information in the common search space in the common search space.
  • Position information a subframe number in which the uplink grant control information or the downlink grant control information in the UE-specific search space is located, or a subframe number in which the uplink grant control information or the downlink grant control information in the public search space is located; Upstream authorization control Downlink grant information or control information where the system frame number, or an uplink common search space authorization control information or downlink grant control system frame number information is located; common search space and the common power control information.
  • the SRS virtual signaling group includes at least one of the following: a UE-specific offset value A SRS to indicate a transmit pilot root sequence offset indication signaling of the UE; a virtual cell identity ID indication signaling; a cyclic shift hopping pattern CS Hopping Pattern indication signaling; interleaved frequency division multiplexing IFDM mode indication signaling; interleaved frequency division multiplexing comb carrier indicating IFDM Comb notification indication signaling; and SRS power control indication factor.
  • a device for selecting a sounding reference signal virtual signaling group is provided.
  • the apparatus for selecting a sounding reference signal virtual signaling group according to the present invention is applied to a user equipment, and includes: an obtaining module, configured to obtain uplink grant control information or downlink grant control information from a currently received subframe, where The control information or the downlink authorization control information carries the preset indication information.
  • the first selection module is configured to set multiple sets of sounding reference signals configured by the base station for the user equipment UE according to the correspondence between the indication information and the SRS virtual signaling group.
  • the SRS virtual signaling group corresponding to the indication information is selected in the SRS virtual signaling group.
  • the foregoing apparatus further includes: a receiving module, configured to receive an SRS virtual signaling group configured by the base station for the UE by using the high layer signaling or the physical layer signaling, and store multiple sets of SRS virtual signaling groups.
  • the obtaining module includes: a detecting unit configured to perform blind detection on the subframe; and a first acquiring unit configured to acquire uplink grant control information or downlink grant control information carried in the subframe.
  • the first selecting module includes: a second acquiring unit, configured to perform blind detection on the uplink authorization control information or the downlink authorization control information, and obtain indication information; and the selecting unit is configured to select from multiple sets of SRS virtual signaling groups.
  • An SRS virtual signaling group corresponding to the indication information.
  • the foregoing apparatus further includes: a second selecting module, configured to: select, according to the virtual signaling group corresponding to the indication information, a pilot parameter that matches an uplink measurement pilot of the UE; the first sending module is configured to be based on the pilot parameter Send the uplink measurement pilot.
  • a second selecting module configured to: select, according to the virtual signaling group corresponding to the indication information, a pilot parameter that matches an uplink measurement pilot of the UE; the first sending module is configured to be based on the pilot parameter Send the uplink measurement pilot.
  • the indication information includes at least one of: transmission power control TPC bit information of uplink grant control information; new data transmission indication information in invalid transport block TB signaling in uplink grant control information or downlink control information; The aggregation level of the uplink grant control information or the downlink grant control information in the search space, or the aggregation level of the uplink grant control information or the downlink grant control information in the common search space; the uplink grant control information or the downlink grant in the UE-specific search space The relative position information of the first control channel unit CCE of the control information in the UE-specific search space, or the relative position of the first CCE of the uplink grant control information or the downlink grant control information in the common search space in the common search space.
  • the foregoing SRS virtual signaling group includes at least one of the following: a UE-specific offset value A sRs to indicate a transmit pilot root sequence offset indication signaling of the UE; a virtual cell identifier ID indication signaling; a cyclic shift hopping pattern CS Hopping Pattern indication signaling; interleaved frequency division multiplexing IFDM mode indication signaling; interleaved frequency division multiplexing comb carrier indicating IFDM Comb notification indication signaling; and SRS power control indication factor.
  • a transmitting apparatus for sounding a reference signal virtual signaling group is provided.
  • the apparatus for selecting a sounding reference signal virtual signaling group according to the present invention is applied to a base station, and includes: a configuration module, configured to configure, by using high layer signaling or physical layer signaling, multiple sets of sounding reference signals SRS virtual signaling group for user equipment UE
  • the adding module is configured to add uplink grant control information or downlink grant control information to the physical downlink control channel PDCCH region or the enhanced physical downlink control channel EPDCCH region of the subframe, where the uplink grant control information or the downlink grant control information is carried There is preset indication information;
  • the second sending module is configured to send the subframe carrying the uplink grant control information or the downlink grant control information to the UE.
  • the indication information includes at least one of: transmission power control TPC bit information of the uplink grant control information; new data transmission indication information in the invalid transport block TB signaling in the uplink grant control information or the downlink grant control information; The aggregation level of the uplink grant control information or the downlink grant control information in the dedicated search space, or the aggregation level of the uplink grant control information or the downlink grant control information in the public search space; the uplink grant control information or the downlink in the UE-specific search space The relative position information of the first control channel unit CCE of the authorization control information in the UE-specific search space, or the relative CCE of the uplink authorization control information or the downlink authorization control information in the common search space in the common search space.
  • Position information a subframe number in which the uplink grant control information or the downlink grant control information in the UE-specific search space is located, or a subframe number in which the uplink grant control information or the downlink grant control information in the public search space is located; Upstream authorization control Downlink grant information or control information where the system frame number, or an uplink common search space authorization control information or downlink grant control system frame number information is located; common search space and the common power control information.
  • the foregoing SRS virtual signaling group includes at least one of the following: a UE-specific offset value A SRS to indicate a transmit pilot root sequence offset indication signaling of the UE; a virtual cell identifier ID indication signaling; a cyclic shift hopping Pattern CS Hopping Pattern indication signaling; interleaved frequency division multiplexing IFDM mode indication signaling; interleaved frequency division multiplexing comb carrier indicating IFDM Comb notification indication signaling; and SRS power control indication factor.
  • a UE-specific offset value A SRS to indicate a transmit pilot root sequence offset indication signaling of the UE a virtual cell identifier ID indication signaling
  • a cyclic shift hopping Pattern CS Hopping Pattern indication signaling interleaved frequency division multiplexing IFDM mode indication signaling
  • interleaved frequency division multiplexing comb carrier indicating IFDM Comb notification indication signaling and SRS power control indication factor.
  • the base station pre-configures multiple sets of SRS virtual command groups for the UE and sends them to the UE, and then the base station sends a downlink subframe to the UE, and the UE obtains uplink grant control information or downlink grant control information from the subframe, and then Obtaining the indication information in the uplink authorization control information or the downlink authorization control message, and finally, the UE selects the SRS virtual signaling group corresponding to the indication information according to the correspondence between the indication information and the SRS virtual signaling group, and solves the uplink and downlink data in the related technology.
  • FIG. 1 A problem of insufficient SRS capacity in the transmission asymmetric scenario, and thus reaching the base station
  • the side and the terminal side are unified, and the virtual signaling is better utilized to make the measurement pilot achieve orthogonality and interference randomization, thereby improving the accuracy of the channel measurement and the effect of the capacity of the entire system.
  • FIG. 1 is a flowchart of a method for transmitting and selecting a sounding reference signal virtual signaling group according to an embodiment of the present invention
  • FIG. 2 is a diagram of a device for selecting a sounding reference signal virtual signaling group according to an embodiment of the present invention
  • 3 is a structural block diagram of a device for selecting a sounding reference signal virtual signaling group according to a preferred embodiment of the present invention
  • FIG. 4 is a structural block diagram of a transmitting device for detecting a reference signal virtual signaling group according to an embodiment of the present invention
  • Step S102 The UE obtains uplink authorization control information or downlink authorization control information from a currently received subframe, where the uplink authorization control information or downlink authorization control information is carried in There are preset instructions.
  • Step S104 The UE selects an SRS virtual signaling group corresponding to the indication information from multiple sets of SRS virtual signaling groups configured by the UE in advance according to the correspondence between the indication information and the sounding reference signal SRS virtual signaling group.
  • the UE first receives multiple sets of SRS virtual signaling groups from the base station and stores them, and then obtains uplink authorization control information or downlink authorizations that carry preset indication information from the received current subframes.
  • Control information The UE selects, according to the indication information, an SRS virtual signaling group corresponding to the foregoing indication information from multiple sets of SRS virtual signaling groups.
  • the use of only one SRS virtual signaling group in a heterogeneous network cell causes the SRS capacity to be insufficient in the CoMP scenario 4, thereby achieving uniformity between the base station side and the terminal side, and better utilizing virtual signaling to enable the measurement pilot to be implemented. Randomization of intersection and interference improves the accuracy of channel measurements and the capacity of the entire system.
  • the virtual signaling, virtual signaling group, and virtual signaling set referred to in this patent are only simple signaling names, and may also be referred to as signaling, signaling group, signaling set, etc. This name is not limited.
  • the invention constitutes a limitation.
  • the foregoing SRS virtual signaling group may include, but is not limited to, at least one of the following:
  • the UE-specific offset value A SRS is used to indicate the UE's transmit pilot root sequence offset indication signaling.
  • the interleaved frequency division multiplexing comb carrier indicates the notification indication signaling of the IFDM Comb. as well as
  • the method may further include: the UE receiving the base station as the UE sent by the base station by using the high layer signaling or the physical layer signaling Multiple sets of SRS virtual signaling groups are configured, and multiple sets of SRS virtual signaling groups are stored. It should be noted that, in a preferred embodiment of the present invention, multiple sets of SRS virtual signaling groups are configured for the UE in advance by the base station, and the configured multiple sets of SRS virtual signaling groups are sent to the UE, which is only a preferred For example, the UE may also obtain multiple sets of SRS virtual signaling groups by using other methods.
  • the SRS virtual signaling groups may be directly pre-configured to the UE from multiple sets of SRS virtual signaling groups specified in the standard protocol.
  • the SRS virtual signaling group corresponding to the indication information is selected by the UE from the SRS virtual signaling groups by using the indication information.
  • the UE may further include the following processing: the base station configures the UE by using high layer signaling or physical layer signaling or a fixed selection in the standard. Multiple sets of SRS virtual signaling groups.
  • the method may further include: (1) The base station adds uplink grant control information or downlink grant control information to the physical downlink control channel PDCCH region or the enhanced physical downlink control channel EPDCCH region of the subframe.
  • the base station transmits a subframe carrying the uplink grant control information or the downlink grant control information to the UE.
  • the UE obtains the uplink grant control information or the downlink grant control information from the currently received subframe, which may include the following processing: the UE performs blind detection on the subframe, and obtains the uplink grant carried in the subframe. Control information or downlink authorization control information.
  • the UE selects an SRS virtual signaling group corresponding to the indication information from the multiple sets of SRS virtual signaling groups, and may include the following processing:
  • the UE performs blind detection on the uplink authorization control information or the downlink authorization control information, and obtains the indication information.
  • the UE selects an SRS virtual signaling group corresponding to the indication information from multiple sets of SRS virtual signaling groups. Preferably, after the SSR virtual signaling group corresponding to the indication information is selected by the UE from the multiple sets of SRS virtual signaling groups, the following processing may be included in the step S104:
  • the UE selects a pilot parameter that matches the uplink measurement pilot of the UE according to the virtual signaling group corresponding to the indication information.
  • the UE transmits an uplink measurement pilot according to the pilot parameters.
  • the foregoing indication information may include, but is not limited to, at least one of the following:
  • the transmission power of the uplink grant control information controls the TPC bit information.
  • the uplink authorization control information may include: DCI format O, DCI formatla, DCI format 4 or a later version of the uplink control information DCI Format including the SRS trigger signaling;
  • the downlink grant control information may include: DCI format 1 including SRS trigger signaling, DCI formatla, DCI formatlb, DCI format lc, DCI format Id, DCI format2, DCI format2a, DCI format2b, DCI format2c or later version of the uplink control information DCI Format
  • the proprietary search space and/or aggregation level includes: DCI formatO, DCI formatla, DCI format4 or later version of the uplink grant control information DCI Format including SRS trigger signaling;
  • downlink grant control information includes: DCI format including SRS trigger signaling 1 , DCI formatla, DCI format lb, DCI format lc, DCI format Id, DCI format 2, DCI format 2a, DCI format 2b, DCI format 2c or later version of one or more of the uplink grant control
  • the subframe in which the uplink grant control information is detected includes: DCI format O, DCI formatla, DCI format 4 or later uplink control information DCI Format including SRS trigger signaling; downlink grant control information includes: DCI format 1 including SRS trigger signaling DCI formatla, DCI format lb, DCI format lc, DCI format Id, DCI format2, DCI format2a, DCI format2b, one or more subframes in which the DCI format 2c or later version of the uplink grant control information DCI Format is located.
  • Embodiment 1 Assume that UE1 is a user in the R1 version.
  • the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different SRS virtual signaling groups are configured with different parameters to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling.
  • the downlink grant control information (DL_Grant) needs to be sent in the PDCCH region or the EPDCCH region on the downlink service subframe of the UE1 to indicate the current subframe.
  • DL_Grant There is downlink data of UE1, and UE1 performs blind detection on the subframe to obtain indication information in DL_Grant. Then, UE1 obtains the antenna port indication information in DCI Format 2C by blind detection to determine Which one of the multiple sets of SRS virtual signaling groups configured by the base station is used.
  • the first virtual signaling parameter set is selected;
  • the second virtual signaling parameter set is selected;
  • Embodiment 2 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time It is necessary to use the reciprocity of the SRS to measure the channel state information of the downlink channel, and send the DL_Grant in the PDCCH region or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled to indicate that the downlink data of the UE1 exists in the current subframe, and the UE1 is in the sub A blind check on the frame obtains the indication information in the DL_Grant.
  • Embodiment 3 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time It is necessary to use the reciprocity of the SRS to measure the channel state information of the downlink channel, and then send the DL_Grant in the PDCCH region or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled to indicate that the downlink data of the UE1 exists in the current subframe, where the UE1 is located. A blind check on the subframe obtains the indication information in the DL_Grant.
  • the antenna port of the active TB is port 8
  • the fourth virtual signaling parameter set is selected.
  • Embodiment 4 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time It is necessary to use the reciprocity of the SRS to measure the channel state information of the downlink channel, and then send the DL_Grant in the PDCCH region or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled to indicate that the downlink data of the UE1 exists in the current subframe, where the UE1 is located. A blind check on the subframe obtains the indication information in the DL_Grant.
  • the UE1 obtains new data indication information and scrambling sequence indication information N SOT5 in the Disable TB block in the DCI Format 2C by blind detection to determine which one of the multiple sets of SRS virtual signaling groups configured by the base station is used.
  • Embodiment 5 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time It is necessary to use the reciprocity of the SRS to measure the channel state information of the downlink channel, and then send the DL_Grant in the PDCCH region or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled to indicate that the downlink data of the UE1 exists in the current subframe, where the UE1 is located. A blind check on the subframe obtains the indication information in the DL_Grant.
  • UE1 obtains new data indication information and antenna end in the Disable TB block in DCI Format 2C through blind detection.
  • Embodiment 6 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time It is necessary to use the reciprocity of the SRS to measure the channel state information of the downlink channel, and then send the DL_Grant in the PDCCH region or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled to indicate that the downlink data of the UE1 exists in the current subframe, where the UE1 is located. A blind check on the subframe obtains the indication information in the DL_Grant. Then UE1 gets the DL_Gr according to the blind check.
  • Embodiment 7 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the reciprocity of the SRS needs to be used to measure the channel state information of the downlink channel, and then the DL Grant or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled is sent to indicate the current sub-portion.
  • the frame has the downlink data of the UE1, and the UE1 performs blind detection on the subframe to obtain the indication information in the DL_Grant. Then UE1 gets the DL_Gr according to the blind check.
  • Embodiment 8 Assume that UE1 is a user in the R11 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different SRS virtual signaling groups are configured with different parameters to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station needs The channel state information of the downlink channel is measured by using the reciprocity of the SRS, and then the DL_Grant is transmitted in the PDCCH region or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled to indicate that the downlink data of the UE1 exists in the current subframe, and the UE1 is in the subframe. A blind check on the frame obtains the indication information in the DL_Grant. Then UE1 gets the DL_Gr according to the blind check.
  • Example 9 Assume that UE1 is a user in the R1 version.
  • the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-level signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • different The SRS virtual signaling group is configured with different parameters to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station needs to utilize SRS at this time
  • the reciprocity of the channel state information of the downlink channel is measured, and then the DL_Grant is transmitted in the PDCCH region or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled to indicate that the downlink data of the UE1 exists in the current subframe, and the UE1 is in the subframe.
  • UE1 gets the DL_Gr according to the blind check.
  • a The location of the CCE, the aggregation level, and the scrambling sequence indication information.
  • SOT5 It is decided which one of the multiple sets of SRS virtual signaling groups configured by the base station is used.
  • Embodiment 10 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time It is necessary to measure the channel state information of the downlink channel by using the reciprocity of the SRS, and then send the DL_Grant to indicate the current sub-segment in the PDCCH region or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled.
  • the frame has the downlink data of the UE1, and the UE1 performs blind detection on the subframe to obtain the indication information in the DL_Grant.
  • UE1 gets the DL_Gr according to the blind check.
  • An The location of the starting CCE of t and the new data in the invalid TB signaling indicate the information DI to determine which of the multiple sets of SRS virtual signaling groups configured by the base station.
  • Embodiment 11 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time It is necessary to use the reciprocity of the SRS to measure the channel state information of the downlink channel, and then send the DL_Grant in the PDCCH region or the EPDCCH region on the downlink service subframe in which the UE1 needs to be scheduled to indicate that the downlink data of the UE1 exists in the current subframe, where the UE1 is located. A blind check on the subframe obtains the indication information in the DL_Grant. Then UE1 gets the DL_Gr according to the blind check.
  • Embodiment 12 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is sent in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs the subframe on the subframe.
  • the blind check obtains the indication information in UL_Grant.
  • UE1 obtains the new data indication DI indication information in the Disable TB in the DCI Format 4 by blind detection to determine which one of the virtual signaling groups of the multiple sets of SRS configured by the base station is used. For example: UE1 gets UL_Gr based on blind detection a When the nt middle layer transmits and the new data in the Disable TB indicates that the NDI indication information is 0, the first virtual signaling parameter set is selected; the UE1 obtains the UL_Grant middle layer transmission according to the blind check and the new data indication in the Disable TB When the DI indication information is 1, the first virtual signaling parameter set is selected.
  • Embodiment 13 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is sent in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs the subframe on the subframe.
  • the blind check obtains the indication information in UL_Grant.
  • UE1 obtains the new data indication DI indication information in the Disable TB in DCI Format 4 by blind detection to determine whether the TPC indication in the DCI is used to indicate power control or to indicate the SRS virtual signaling group, and then the TPC bit is used. Indicates which one of the virtual signaling groups of multiple sets of SRSs configured by the base station is used by the UE. For example, when the UE1 obtains the UL_Grant layer transmission according to the blind detection and the new data in the Disable TB indicates that the NDI indication information is 0, the bit in the TPC is used to indicate the power control; and the UE1 obtains the UL_Grant layer in the transmission according to the blind detection.
  • the bit in the TPC is used to refer to the virtual signaling of the SRS.
  • the UE1 detects 2 bits in the TPC command. If the TPC bit is 00, then the UE1 Selecting the first virtual signaling parameter set. If the TPC bit is 01, UE1 selects the second virtual signaling parameter set. If the TPC bit is 10, UE1 selects the third virtual signaling parameter set, if TPC The bit is 11, when UE1 selects the fourth set of virtual signaling parameters.
  • Embodiment 14 Assume that UE1 is a user in the R11 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different SRS virtual signaling groups are configured with different parameters to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station needs The SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is transmitted in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs blindness on the subframe. Check the instructions in UL_Grant.
  • the UE1 obtains the new data indication DI indication information in the Disable TB in the DCI Format 4 by blind detection to determine whether the TPC indication in the DCI is used to indicate power control or to indicate the virtual signaling group of the SRS, and then the TPC bit is used. Indicates which one of the virtual signaling groups of multiple sets of SRSs configured by the base station is used by the UE. For example, if the UE1 obtains the UL_Grant layer transmission according to the blind detection and the new data in the Disable TB indicates that the DI indication information is 0, the bit in the TPC is used to indicate the power control; the UE1 obtains the UL_Grant layer transmission according to the blind detection and is Disabled.
  • the bit in the TPC is used to refer to the virtual signaling of the SRS.
  • the UE1 detects 2 bits in the TPC command. If the TPC bit is 00, the UE1 selects the first. A virtual signaling parameter set, if the TPC bit is 01, then UE1 selects a second virtual signaling parameter set. If the TPC bit is 10, UE1 selects a third virtual signaling parameter set, if the TPC bit is 11. At this time, UE1 selects the fourth virtual signaling parameter set.
  • Embodiment 15 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time Need to use SRS to measure channel state information of the uplink channel, and then in the industry that needs to schedule UE1
  • the PDCCH region or the EPDCCH region on the sub-frame transmits UL_Grant to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs blind detection on the subframe to obtain the indication information in the UL_Grant.
  • the UE1 obtains the TPC bit in the DCI Format 0/4 by blind detection to indicate which one of the virtual signaling groups of the multiple sets of SRS configured by the UE is used by the UE. For example: UE1 obtains DCI F in the common control area according to blind detection. 0 Rmat3/3A, at this time UE1 considers that the TPC in DCI Format 0/4 is used to control the selection of virtual signaling groups of multiple sets of SRS, and it is considered that TPC is used for power control. If UE1 detects TPC for power control, UE1 detects 2 bits in the TPC command. If the TPC bit is 00, then UE1 selects the first virtual signaling parameter set.
  • Embodiment 16 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is sent in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs the subframe on the subframe.
  • the blind check obtains the indication information in UL_Grant. Then UE1 gets the UL_Gr according to the blind check.
  • Embodiment 17 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is sent in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs the subframe on the subframe.
  • the blind check obtains the indication information in UL_Grant. Then UE1 According to the blind check, the UL_Gr is placed.
  • Embodiment 18 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is sent in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs the subframe on the subframe.
  • the blind check obtains the indication information in UL_Grant. Then UE1 gets the UL_Gr according to the blind check.
  • Embodiment 19 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is sent in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs the subframe on the subframe.
  • the blind check obtains the indication information in UL_Grant. Then UE1 gets the UL_Gr according to the blind check.
  • Embodiment 20 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is sent in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs the subframe on the subframe.
  • the blind check obtains the indication information in UL_Grant. Then UE1 gets the UL_Gr according to the blind check.
  • An The location of the starting CCE of t and/or the subframe number and/or the system frame number, the aggregation level, and the new data indication information DI in the invalid TB signaling determine which of the multiple sets of SRS virtual signaling groups configured by the base station set.
  • Embodiment 21 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is sent in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs the subframe on the subframe.
  • the blind check obtains the indication information in UL_Grant. Then UE1 gets the UL_Gr according to the blind check.
  • the position of the starting CCE and/or the subframe number and/or the system frame number and/or the aggregation level of t determine the current subframe TPC command indicates power control or indicates SRS virtual signaling.
  • the UE1 detects 2 bits in the TPC command. If the TPC bit is 00, the UE1 selects the first virtual signaling parameter set, if the TPC bit is 01. At this time, UE1 selects a second virtual signaling parameter set. If the TPC bit is 10, UE1 selects a third virtual signaling parameter set. If the TPC bit is 11, then UE1 selects the fourth virtual signaling parameter. set.
  • Embodiment 22 Assume that UE1 is a user in the R1 version, and the base station configures multiple sets of SRS virtual signaling groups for UE1 through high-layer signaling or physical layer signaling or multiple sets of SRS virtual signaling groups fixed in the standard.
  • Different parameters are configured for different SRS virtual signaling groups to form a set of SRS virtual signaling parameters, for example: SRS triggered by the downlink control format and SRS configured by the uplink control format are configured with different virtual signaling, if the base station is at this time
  • the SRS is used to measure the channel state information of the uplink channel, and then the UL_Grant is sent in the PDCCH region or the EPDCCH region on the uplink service subframe in which the UE1 needs to be scheduled to indicate that the uplink data of the UE1 exists in the current subframe, and the UE1 performs the subframe on the subframe.
  • the blind check obtains the indication information in UL_Grant.
  • UE1 passed The blind detection results in the TPC in DCI Format 0/4 and the TPC bit in DCI Format3/3A to indicate which of the virtual signaling groups of the multiple sets of uplink measurement pilots configured by the UE is used by the UE. For example, UE1 obtains TPC signaling in DCI Format 0/4 in the proprietary control area according to the blind detection. At this time, UE1 considers that DCI Format3/3A in the common control area is used to control virtual signaling of multiple sets of uplink measurement pilots. The choice of group, otherwise, DCI Format3/3A is considered to be used for power control. If UE1 detects DCI Format3/3A for power control, UE1 detects 2 bits in the DCI Format3 command.
  • UE1 selects the first virtual signaling parameter set; if the TPC bit is 01 At this time, UE1 selects a second virtual signaling parameter set; if the TPC bit is 10, UE1 selects a third virtual signaling parameter set; if the TPC bit is 11, then UE1 selects the fourth virtual signaling parameter. set.
  • UE1 detects 1 bit in the DCI Format3A command. If the DCI Format3A bit is 0, UE1 selects the first virtual signaling parameter set. If the DCI Format3A bit is 1, then UE1 selects the second virtual signaling parameter set.
  • . 2 is a structural block diagram of a device for selecting a sounding reference signal virtual signaling group according to an embodiment of the present invention.
  • the device for selecting a sounding reference signal virtual signaling group is applied to a user equipment, which mainly includes:
  • the module 10 is configured to obtain the uplink authorization control information or the downlink authorization control information from the currently received subframe, where the uplink authorization control information or the downlink authorization control information carries the preset indication information.
  • the first selection module 20 The SRS virtual signaling group corresponding to the indication information is selected from the multiple sets of SRS virtual signaling groups configured by the base station in advance according to the correspondence between the indication information and the SRS virtual signaling group.
  • the foregoing SRS virtual signaling group may include, but is not limited to, at least one of the following: (1) UE-specific offset value A SRS Instructing the UE to transmit pilot root sequence offset indication signaling.
  • the interleaved frequency division multiplexing comb carrier indicates the notification indication signaling of the IFDM Comb. as well as (6) SRS power control indicator.
  • the foregoing apparatus further includes: a receiving module 30, configured to receive an SRS virtual signaling group configured by the base station for the UE by using the high layer signaling or the physical layer signaling, and store multiple sets of SRSs. Virtual signaling group.
  • the acquiring module 10 may further include: a detecting unit 100 configured to perform blind detection on the subframe; the first acquiring unit 102 is connected to the detecting unit 100, and is configured to acquire the carried in the subframe. Uplink authorization control information or downlink authorization control information.
  • the first selection module 20 may further include: a second obtaining unit 200, configured to perform blind detection on the uplink authorization control information or the downlink authorization control information, and obtain indication information;
  • the second obtaining unit 200 is connected, and is configured to select an SRS virtual signaling group corresponding to the indication information from the multiple sets of SRS virtual signaling groups.
  • the foregoing apparatus may further include: a second selecting module 40, configured to: select, according to the virtual signaling group corresponding to the indication information, a pilot parameter that matches an uplink measurement pilot of the UE;
  • the module 50 is connected to the second selection module 40 and configured to send an uplink measurement pilot according to the pilot parameters.
  • the foregoing indication information may include, but is not limited to, at least one of the following:
  • the transmission power of the uplink grant control information controls the TPC bit information.
  • FIG. 4 is a structural block diagram of a transmitting apparatus for sounding a reference signal virtual signaling group according to an embodiment of the present invention. As shown in FIG. 4, the device for selecting a virtual reference group of the sounding reference signal is applied to the base station, and the method includes: the configuration module 60, configured to configure multiple sets of sounding reference signals for the user equipment UE by using high layer signaling or physical layer signaling.
  • the SRS virtual signaling group; the adding module 70 is connected to the configuration module 60, and is configured to add uplink grant control information or downlink grant control information to the physical downlink control channel PDCCH region or the enhanced physical downlink control channel EPDCCH region of the subframe, where The uplink authorization control information or the downlink authorization control information carries the preset indication information.
  • the second sending module 80 is connected to the adding module 70, and is configured to carry the subframe with the uplink authorization control information or the downlink authorization control information. Send to the UE.
  • the foregoing indication information may include, but is not limited to, at least one of the following:
  • the transmission power of the uplink grant control information controls the TPC bit information.
  • the foregoing SRS virtual signaling group may include, but is not limited to, at least one of the following:
  • the UE-specific offset value A SRS is used to instruct the UE to transmit the root sequence offset indication signaling of the pilot.
  • the interleaved frequency division multiplexing comb carrier indicates that the IFDM Comb notifies the indication signaling. as well as
  • the base station side and the terminal side reach a unified, better use of the virtual
  • the signaling group enables the measurement pilot to achieve orthogonalization and interference randomization, and improves the accuracy of the channel measurement, thereby realizing accurate measurement of the uplink in the uplink and improving the average throughput of the uplink;
  • the implementation of the ease of measurement ensures better implementation of downlink adaptation, improves the average throughput of the downlink, and further increases the capacity of the entire system.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.

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Abstract

Procédé et dispositif destinés à sélectionner un ensemble de signalisation virtuelle de signal de référence de sondage (SRS). Le procédé comprenant : un équipement utilisateur (UE) qui acquiert des informations de commande d'allocation de liaison montante ou des informations de commande d'allocation de liaison descendante d'une sous-trame en cours de réception, où les informations de commande d'allocation de liaison montante ou les informations de commande d'allocation de liaison descendante comprennent des informations d'indication préconfigurées ; et, l'UE sélectionne, sur la base d'une corrélation entre les informations d'indication et l'ensemble de signalisation virtuelle SRS, l'ensemble de signalisation virtuelle SRS correspondant à l'information d'indication parmi de multiples ensembles d'ensembles de signalisation virtuelle SRS configurés à l'avance pour l'UE par une station de base. La présente invention permet à un côté station de base et un côté terminal de réaliser une unification, fait une meilleure utilisation de la signalisation virtuelle pour permettre à une fréquence pilote de mesure de mettre en œuvre un échantillonnage aléatoire d'interférences et en quadrature, et permet d'obtenir les effets d'une précision accrue dans une mesure de canal et une capacité accrue du système dans son ensemble.
PCT/CN2012/086344 2012-01-21 2012-12-11 Procédé et dispositif de transmission et de sélection d'un ensemble de signalisation virtuelle de signal de référence de sondage Ceased WO2013107228A1 (fr)

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EP3813464B1 (fr) * 2015-05-14 2023-11-29 Huawei Technologies Co., Ltd. Procédés et appareil de transmission et réception de signal de référence de sondage
WO2017193395A1 (fr) * 2016-05-13 2017-11-16 华为技术有限公司 Procédé de transmission de données de liaison montante, dispositif terminal et dispositif côté réseau
CN108880702B (zh) * 2017-05-10 2022-03-25 中兴通讯股份有限公司 一种fdd系统的天线校正方法、天线校正装置和基站
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