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WO2014110928A1 - Procédé d'envoi de signal de référence de démodulation de liaison montante, appareil et système - Google Patents

Procédé d'envoi de signal de référence de démodulation de liaison montante, appareil et système Download PDF

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Publication number
WO2014110928A1
WO2014110928A1 PCT/CN2013/086115 CN2013086115W WO2014110928A1 WO 2014110928 A1 WO2014110928 A1 WO 2014110928A1 CN 2013086115 W CN2013086115 W CN 2013086115W WO 2014110928 A1 WO2014110928 A1 WO 2014110928A1
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WIPO (PCT)
Prior art keywords
subframe
uplink
dmrs
reference signal
demodulation reference
Prior art date
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PCT/CN2013/086115
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English (en)
Chinese (zh)
Inventor
王瑜新
关艳峰
孙云锋
陈艺戬
李书鹏
陈宪明
罗薇
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ZTE Corp
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ZTE Corp
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Publication of WO2014110928A1 publication Critical patent/WO2014110928A1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, an apparatus, and a system for transmitting a Demodulation Reference Signal (DMRS).
  • DMRS Demodulation Reference Signal
  • the uplink physical channel of the Long Term Evolution includes a physical random access channel (PRACH), a physical shared shared channel (PUSCH), and a physical uplink shared channel (PUCCH, Physical Uplink). Control Channel).
  • the Uplink Scheduling Information for the PUSCH is sent to the target user terminal (UE, User Equipment) through the Physical Downlink Control Channel (PDCCH).
  • the uplink scheduling information includes: resource allocation related to the physical uplink shared channel, modulation and coding scheme, and cyclic shift of the DMRS (Cyclic Shift).
  • a system frame contains 10 subframes, each of which contains 2 slots (slots).
  • 1 is a schematic diagram of a conventional cyclic prefix in a slot according to the related art. As shown in FIG. 1, for a normal cyclic prefix (Normal CP), each slot is composed of 6 data symbols and 1 A demodulation reference signal is formed.
  • 2 is a schematic diagram of an extended cyclic prefix in a slot according to the related art. For an extended cyclic prefix (Extended Cyclic), each slot is composed of 5 data symbols and 1 demodulation reference signal. composition.
  • the DM RS consists of a sequence in the frequency domain that is a cyclic shift of the reference signal sequence.
  • the reference signal sequence of the demodulation reference signal may be based on the configuration of the base station, and may implement a sequence hopping or a sequence group hopping (SGH), which may also be referred to as time. SGH mode of slot jump. That is, according to the configuration of the base station, the demodulation reference signals of one user equipment in two time slots in one subframe are different, and vary with the time slot in one system frame according to a certain jump pattern.
  • SGH sequence group hopping
  • ⁇ is configured by higher-level parameters, configured by uplink scheduling information
  • PRS ( ) is generated by a pseudo-random generator, which is a parameter that varies with time slots.
  • the uplink scheduling information is carried on the physical downlink control channel, and is sent by the base station to the target user equipment in a certain downlink control information format (Downlink Control Information Format, DCI format).
  • DCI format Downlink Control Information Format
  • the downlink control information format is divided into the following types: DCI format 0, 1, 1A, 1B, 1C, 1D, 2, 2A, 3, 3A, etc., where DCI format 0 contains uplink scheduling information, and is used for Indicates the scheduling of the physical uplink shared channel PUSCH.
  • the LTE-Advanced system (referred to as LTE-A system) is the next-generation evolution system of the LTE system.
  • the physical uplink shared channel can be transmitted using a single antenna port or multi-antenna port.
  • 3 is a schematic diagram of a baseband signal processing of a physical uplink shared channel transmitted by a multi-antenna port in the LTE-A system of the related art.
  • the LTE-A system supports one based on one. Or spatial multiplexing of two codewords (CW), each codeword corresponding to one transport block (Transport Block, referred to as TB).
  • 4 is a schematic diagram of mapping of uplink codewords to layers of the LTE-A system of the related art. As shown in FIG. 4, the codewords are further mapped to layers, and each codeword is mapped to one or two layers of data.
  • LTE-A uses a precoding technique based on Codebook (also known as codebook).
  • Precoding technology is a channel-side information (Channel Status Information (CSI)).
  • CSI Channel Status Information
  • Techniques for performing pre-processing to improve the performance of multi-antenna systems One way for the transmitter to acquire CSI is through feedback from the receiver.
  • the general method is to save the same codebook at the receiving end and the transmitting end.
  • the receiving end selects a suitable precoding matrix in the codebook according to the current channel condition, and feeds back its index value (PMI) in the set back to the transmitting end, and the transmitting end finds according to the feedback precoding matrix index.
  • PMI index value
  • Precoding the matrix and precoding the transmitted signal Precoding the matrix and precoding the transmitted signal.
  • each layer of data is transmitted.
  • the DMRS is precoded like the layers of data.
  • Demodulation reference signals for different layer data including demodulation reference signals for multi-layer data of the same user equipment for single-user multiple input multiple output system (SU-MIMO), and multi-user multiple input multiple output system (MU-MIMO)
  • Demodulation reference signals of multi-layer data of a plurality of user equipments are orthogonalized by using different demodulation reference signal cyclic shifts (CS) and/or Orthogonal Cover Codes (OCCs) Differentiate different layer data of user space reuse or distinguish different users.
  • the orthogonal mask OCC is [+1, +1] and [+1, -1], and acts on the demodulation reference signal on two slots (Slot) in one subframe (Subframe).
  • the LTE standard version is Release 8 and Release 9
  • the LTE-A standard is Release 10 and Release 11 ( Release 11), abbreviated as Rel-8, Rel-9, Rel-10 and Rel-11 respectively
  • the LTE-A standard may also include subsequent versions, such as Rel-12.
  • the base station can indicate the cyclic shift/OCC information of the demodulation reference signal for the scheduled PUSCH through DCI format 0 and DCI format 4, as shown in Table 1.
  • Table 1 [ w (Q) w (1) ] mapping table of the cyclic shift region of the uplink related DCI format
  • the base station When the orthogonal reference mask OCC is used to orthogonalize the demodulation reference signal, the base station needs to jointly detect the demodulation reference signals on the two slots in one subframe, thus requiring one user equipment to be two in one subframe.
  • the demodulation reference signal on the time slot must be the same.
  • the SGH method of slot jump in the LTE system cannot be used.
  • a SGH method of sub-frame jump is proposed in the related art. That is, according to the configuration of the base station, the demodulation reference signals of one user equipment in two slots in one subframe are the same, and demodulation on each subframe in one system frame.
  • the reference signals are not the same, and vary with the sub-frames within a system frame according to a certain jump pattern.
  • the transmission capacity of mobile communication networks poses a serious challenge.
  • Most of the mobile data traffic occurs in Small Cell, and this proportion will continue to grow. Therefore, operators urgently need high-rate small cell coverage data service solutions.
  • the characteristics of the small cell are that the user is usually a fixed user or a very low-speed mobile user, the delay spread of the wireless channel is small, and the environment of the wireless channel changes slowly.
  • the data service is mainly based on the Internet Protocol (Internet Procotol, IP for short). The service, the transmission delay is not high, but the data rate is higher.
  • IP Internet Procotol
  • the invention provides a method, a device and a system for transmitting an uplink demodulation reference signal, which solves the problem that the time-frequency resource overhead of the uplink demodulation reference signal is too large.
  • a method for transmitting an uplink demodulation reference signal includes:
  • the base station configures, for the user equipment, a resource or a pattern or a parameter set required for transmitting the uplink DMRS, where the resource or pattern or parameter set includes:
  • Time domain location frequency domain location, subframe configuration or period, and jump mode
  • the base station sends or indicates the resource or pattern or parameter set required for sending the uplink DMRS to the user terminal by using a bit field or higher layer signaling of the downlink control information.
  • the time domain location of the uplink DMRS is:
  • the DMRS is on a first subframe and/or a last subframe and/or a ceil (M/2) subframe and/or a ceil (M/2) + 1 subframe of the M subframes, where , M is an integer, and ceil() means rounding up.
  • the time domain location is: The first time slot of the subframe including the uplink DMRS and/or the fourth orthogonal frequency division multiplexing (OFDM) symbol of the second time slot, or
  • the time domain position is: a first time slot of a subframe including an uplink DMRS and/or a third OFDM symbol of a second time slot, or
  • the sixth OFDM symbol of the first slot of the subframe including the uplink DMRS or the first OFDM symbol of the second slot of the subframe.
  • the frequency domain location includes:
  • PUSCH physical uplink shared channel
  • the subframe configuration or period includes:
  • the subframe configuration index of the uplink DMRS, the period of the uplink DMRS, and the subframe offset of the uplink DMRS is not limited.
  • the jumping manner includes:
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, where n is an integer.
  • the uplink DMRS sequence of the user terminal occupies the lower half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the upper half bandwidth.
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, and sequentially loops.
  • the jumping manner includes:
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, where n is an integer.
  • the uplink DMRS sequence of the user terminal occupies the lower half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the upper half bandwidth.
  • the configuration on the subframe n+1 is the same as that of the subframe n, and the loop jumps in sequence.
  • the base station sends or indicates to the user terminal the resource or the pattern or the parameter set required for sending the uplink DMRS by using the bit field or the high layer signaling of the downlink control information:
  • the base station configures, by using the high layer signaling, the at least one resource or pattern or parameter set required for sending the uplink DMRS, and selects one of the at least one resource or the pattern or the parameter set by using a bit field in the downlink control information. .
  • the downlink control information includes downlink control information for scheduling a PUSCH or for scheduling a physical downlink shared channel (PDSCH) or downlink control information for a user terminal for scheduling a small cell.
  • PDSCH physical downlink shared channel
  • the bit field in the downlink control information includes:
  • Carrier indicator bit field or cyclic shift and OCC index bit field of DMRS, or a bit field used to indicate the period or subframe configuration or subframe offset or pattern of DMRS, or to indicate continuous scheduling
  • the bit field of the number of subframes is not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, cyclic shift and OCC index bit field of DMRS, or a bit field used to indicate the period or subframe configuration or subframe offset or pattern of DMRS, or to indicate continuous scheduling The bit field of the number of subframes.
  • the bit field for indicating a period or subframe configuration or subframe offset or pattern of the uplink DMRS and the bit field for indicating the number of consecutively scheduled subframes are carried in a user-specific DCI Format In the domain, or in the DCI Format field dedicated to the user terminal carrying the scheduled small cell.
  • the uplink DMRS occupies two time domain OFDM symbols in one subframe and the uplink DMRS sequence occupies the frequency domain position of the same bandwidth
  • the two DMRS symbols are time-domain extended using an orthogonal mask (OCC).
  • the using the OCC to perform time domain expansion on the two DMRS symbols is: when the uplink DMRS occupies two time domain OFDM symbols in one subframe and the uplink DMRS sequence occupies frequency domain positions of different bandwidths, using an OCC pair
  • the first DMRS symbol of the subframe n and the first DMRS symbol of the subframe n+1 are time-domain extended, and the second DMRS symbol of the subframe n and the second DMRS symbol of the subframe n+1 are performed by using the OCC. Domain extension.
  • the present invention also provides a method for transmitting an uplink demodulation reference signal, including:
  • the user terminal receives the resources or patterns or parameters sent by the base station for configuring the uplink DMRS.
  • a bit field or higher layer signaling of the downlink control information of the data set where the resource or pattern or parameter set includes: a time domain location, a frequency domain location, a subframe configuration or a period, and a jump mode;
  • the user terminal sends an uplink DMRS according to a resource or a pattern or a parameter set required by the uplink DMRS configured by the base station.
  • the time domain location of the uplink DMRS is:
  • the DMRS is on a first subframe and/or a last subframe and/or a ceil (M/2) subframe and/or a ceil (M/2) + 1 subframe of the M subframes, where , M is an integer, and ceil() means rounding up.
  • the time domain position is: a first time slot of a subframe including an uplink DMRS and/or a fourth OFDM symbol of a second time slot, or
  • the time domain position is: a first time slot of a subframe including an uplink DMRS and/or a third OFDM symbol of a second time slot, or
  • the sixth OFDM symbol of the first slot of the subframe including the uplink DMRS or the first OFDM symbol of the second slot of the subframe.
  • the frequency domain location includes:
  • the subframe configuration or period includes:
  • the subframe configuration index of the uplink DMRS, the period of the uplink DMRS, and the subframe offset of the uplink DMRS is not limited.
  • the jumping manner includes:
  • the uplink DMRS sequence of the user terminal occupies the upper half of the PUSCH bandwidth.
  • the uplink DMRS sequence of the user terminal occupies the lower half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the upper half bandwidth.
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, and sequentially loops.
  • the jumping manner includes:
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, where n is an integer.
  • the uplink DMRS sequence of the user terminal occupies the lower half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the upper half bandwidth.
  • the configuration on the subframe n+1 is the same as that of the subframe n, and the loop jumps in sequence.
  • the OCC is used to perform time domain expansion on the two DMRS symbols.
  • the using the OCC to perform time domain expansion on the two DMRS symbols is: when the uplink DMRS occupies two time domain OFDM symbols in one subframe and the uplink DMRS sequence occupies frequency domain positions of different bandwidths, using an OCC pair
  • the first DMRS symbol of the subframe n and the first DMRS symbol of the subframe n+1 are time-domain extended, and the second DMRS symbol of the subframe n and the second DMRS symbol of the subframe n+1 are performed by using the OCC. Domain extension.
  • the downlink control information includes downlink control information for scheduling a PUSCH or for scheduling a PDSCH or downlink control information for a user terminal for scheduling a small cell.
  • the bit field in the downlink control information includes:
  • the carrier indicates a bit field, or a cyclic shift of the DMRS and an OCC index bit field, or a bit field for indicating a period or subframe configuration or a subframe offset or pattern of the DMRS, or for indicating the number of consecutively scheduled subframes. Bit field.
  • the bit field for indicating a period or subframe configuration or subframe offset or pattern of the uplink DMRS and the bit field for indicating the number of consecutively scheduled subframes are carried by the user-specific
  • the DCI Format field is either carried in the DCI Format field dedicated to the user terminal that carries the scheduled small cell.
  • the present invention also provides an apparatus for transmitting an uplink demodulation reference signal, including:
  • the configuration module is configured to: configure, for the user terminal, a resource or a pattern or a parameter set required for sending the uplink DMRS, where the resource or pattern or parameter set includes:
  • Time domain location frequency domain location, subframe configuration or period, and jump mode
  • the indication module is configured to send or indicate the resource or pattern or parameter set required for sending the uplink DMRS to the user terminal by using downlink control information or high layer signaling.
  • a transmitting device for an uplink demodulation reference signal comprising:
  • the receiving module is configured to: receive downlink control information or high layer signaling sent by the base station to configure a resource or a pattern or a parameter set required for the uplink DMRS, where the resource or the pattern or the parameter set includes:
  • Time domain location frequency domain location, subframe configuration or period, and jump mode
  • the signal sending module is configured to: send an uplink DMRS according to a resource or a pattern or a parameter set required by the uplink DMRS configured by the base station.
  • the present invention also provides a transmission system for an uplink demodulation reference signal, including a base station and a user equipment therebelow;
  • the base station is configured to: configure, for the user equipment, a resource or a pattern or a parameter set required for sending an uplink DMRS, and use the bit field or high layer signaling of the downlink control information to send the resource or pattern required for the uplink DMRS.
  • the parameter set is sent or indicated to the user terminal, and the resource or pattern or parameter set includes:
  • Time domain location frequency domain location, subframe configuration or period, and jump mode
  • the user terminal is configured to: receive downlink control information or high layer signaling that is used by the base station to configure a resource or a pattern or a parameter set required for an uplink DMRS, and configured according to the base station
  • the uplink DMRS is sent by the resources or patterns or parameter sets required for the uplink DMRS.
  • the time domain location of the uplink DMRS is:
  • the DMRS is on a first subframe and/or a last subframe and/or a ceil (M/2) subframe and/or a ceil (M/2) + 1 subframe of the M subframes, where , M is an integer, and ceil() means rounding up.
  • the time domain position is: a first time slot of a subframe including an uplink DMRS and/or a fourth OFDM symbol of a second time slot, or
  • the time domain position is: a first time slot of a subframe including an uplink DMRS and/or a third OFDM symbol of a second time slot, or
  • the sixth OFDM symbol of the first slot of the subframe including the uplink DMRS or the first OFDM symbol of the second slot of the subframe.
  • the frequency domain location includes:
  • the subframe configuration or period includes:
  • the subframe configuration index of the uplink DMRS, the period of the uplink DMRS, and the subframe offset of the uplink DMRS is not limited.
  • the jumping manner includes:
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, where n is an integer.
  • the uplink DMRS sequence of the user terminal occupies the lower half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the upper half bandwidth.
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, and sequentially loops.
  • the jumping manner includes:
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, where n is an integer.
  • the uplink DMRS sequence of the user terminal occupies the lower half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the upper half bandwidth.
  • the configuration on the subframe n+1 is the same as that of the subframe n, and the loop jumps in sequence.
  • the base station is configured to: send, by using the downlink control information or the high layer signaling, the resource or the pattern or the parameter set required for sending the uplink DMRS to the user terminal:
  • the base station configures, by using the high layer signaling, the at least one resource or pattern or parameter set required for sending the uplink DMRS, and selects one of the at least one resource or pattern or parameter set by using a bit field in the downlink control information.
  • the downlink control information includes downlink control information for scheduling a PUSCH or for scheduling a PDSCH or downlink control information for a user terminal for scheduling a small cell.
  • the bit field in the downlink control information includes:
  • the carrier indicates a bit field, or a cyclic shift of the DMRS and an OCC index bit field, or a bit field for indicating a period or subframe configuration or a subframe offset or pattern of the DMRS, or for indicating the number of consecutively scheduled subframes. Bit field.
  • the bit field for indicating a period or subframe configuration or subframe offset or pattern of the uplink DMRS and the bit field for indicating the number of consecutively scheduled subframes are carried in a user-specific DCI Format In the domain, or in the DCI Format field dedicated to the user terminal carrying the scheduled small cell.
  • the present invention provides a method, an apparatus, and a system for transmitting an uplink demodulation reference signal, where the base station configures a resource or a pattern or a parameter set required for transmitting an uplink DMRS, and sends the same by using downlink control information or higher layer signaling.
  • the resource or pattern or parameter set required by the uplink DMRS is sent or indicated to the user terminal, and the resource or pattern or parameter set includes: a time domain location, a frequency domain location, Subframe configuration or period, jump mode; the user terminal receives the uplink sent by the base station for configuring uplink
  • the downlink control information or the high layer signaling of the resource or pattern or the parameter set required by the DMRS, and the uplink DMRS is sent according to the resource or pattern or parameter set required by the uplink DMRS configured by the base station.
  • the technical solution provided by the present invention implements an uplink DMRS transmission mechanism with low time-frequency resource overhead, and solves the problem that the time-frequency resource overhead of the uplink demodulation reference signal is excessive.
  • 1 is a schematic diagram of a conventional cyclic prefix in one slot of the related art
  • FIG. 2 is a schematic diagram of an extended cyclic prefix in one slot of the related art
  • FIG. 3 is a schematic diagram of a baseband signal processing of a physical uplink shared channel transmitted by a multi-antenna port in an LTE-A system of the related art
  • FIG. 4 is a schematic diagram of mapping of an uplink codeword to a layer of an LTE-A system according to the related art
  • FIG. 5 is a flow chart of a method for transmitting an uplink demodulation reference signal according to Embodiment 1 of the present invention
  • FIG. 6 is a schematic diagram of a time-frequency position in which an uplink DMRS sequence is placed
  • Figure 7 is a schematic diagram of the time-frequency position where the uplink DMRS sequence is placed 2;
  • Figure 8 is a schematic diagram of the jump mode of the uplink DMRS 1;
  • Figure 9 is a schematic diagram of the jump mode of the uplink DMRS 2;
  • FIG. 10 is a schematic structural diagram of an apparatus for transmitting an uplink demodulation reference signal according to Embodiment 3 of the present invention.
  • FIG. 11 is a schematic structural diagram of still another apparatus for transmitting an uplink demodulation reference signal according to Embodiment 3 of the present invention.
  • Preferred embodiment of the invention
  • Rel-12 focuses on research objects. Small cells belong to nodes with low transmit power, and the cell radius is generally small, mainly considering the scenario of low-speed UEs. In low-speed scenarios, in order to improve uplink throughput, It can be considered to reduce the time-frequency resource overhead of the uplink DMRS. How to reduce overhead is a problem to be solved. An effective solution.
  • embodiments of the present invention provide a method, apparatus, and system for transmitting an uplink demodulation reference signal.
  • the embodiment of the present invention provides a method for transmitting an uplink demodulation reference signal, and the process for completing the uplink demodulation reference signal transmission using the method is as shown in FIG. 5, and includes:
  • Step 501 The base station configures, for the user equipment, a resource or a pattern or a parameter set required for sending the uplink DMRS.
  • the resource or pattern or parameter set includes: a time domain location, a frequency domain location, and a hopping mode.
  • time domain location includes:
  • the time domain location is specifically: the first time slot of the subframe including the uplink DMRS and/or the fourth OFDM symbol of the second time slot; or, including the uplink DMRS The 7th OFDM symbol of the 1st slot of the subframe or the 1st OFDM symbol of the 2nd slot of the subframe;
  • the time domain position is specifically: a first time slot of a subframe including an uplink DMRS and/or a third OFDM symbol of a second time slot; or, including an uplink DMRS The sixth OFDM symbol of the first slot of the subframe or the first OFDM symbol of the second slot of the subframe.
  • the frequency domain location includes: all subcarriers or partial subcarriers of the bandwidth of the PUSCH where the uplink DMRS of the user terminal is located in the time domain location.
  • the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth for example, when the cyclic prefix length of the line symbol is a normal length, as shown in FIG. 6 Or as shown in Figure 7.
  • Jump methods include:
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth; in the subframe n+1, the uplink DMRS sequence of the user terminal occupies the PUSCH bandwidth.
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth; in the second time slot of the subframe n, the user The uplink DMRS sequence of the terminal occupies the lower half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the upper half bandwidth.
  • the configuration manner of the subframe n+1 is the same as that of the subframe n, and the loop jumps in sequence, as shown in FIG. 9.
  • the OCC is used to perform time domain expansion on the two DMRS symbols.
  • the uplink DMRS occupies two time domain OFDM symbols in one subframe and the uplink DMRS sequence occupies a frequency domain position of a different bandwidth
  • the first DMRS symbol of the subframe n and the subframe n+1 are used by the OCC.
  • One DMRS symbol is time-domain extended, and the second DMRS symbol of subframe n and the second DMRS symbol of subframe n+1 are time-domain-expanded using OCC.
  • Step 502 The base station sends or indicates, by using a bit field or a high layer signaling of the downlink control information, a resource or a pattern or a parameter set required for sending the uplink DMRS to the user terminal.
  • the base station configures at least one resource or pattern or parameter set required for sending the uplink DMRS for the user terminal by using the high layer signaling, and selects the at least one resource by using a bit field in the downlink control information or One of the patterns or parameter sets.
  • the downlink control information includes downlink control information for scheduling a PUSCH or a PDSCH.
  • Step 503 The user terminal receives downlink control information or high layer signaling that is used by the base station to configure resources or patterns or parameter sets required for the uplink DMRS.
  • Step 504 The user terminal sends an uplink DMRS according to a resource or a pattern or a parameter set required by the uplink DMRS configured by the base station.
  • the base station configures the subframe configuration or period of the uplink DMRS for the user terminal through the high layer signaling, as shown in Table 2 or Table 3 or Table 4 below.
  • Table 2 when the uplink DMRS subframe configuration index in Table 2 is 0, the period is 0.5, indicating that there are 2 DMRS time domain symbols in one subframe, and the time domain symbol position is in the Rel-8/9/lO/ll standard.
  • the uplink DMRS time domain symbol positions are the same for the purpose of backward compatibility with Rel-8/9/lO/ll UEs.
  • the uplink DMRS subframe configuration index When the uplink DMRS subframe configuration index is 1, it indicates that there is only one uplink DMRS time domain symbol in one subframe; when the subframe configuration index is 2, it indicates that the uplink DMRS period is 2, and the offset is 0, indicating that the period is One subframe has DMRS, and the second subframe has no DMRS; other subframe configuration indexes of Table 1 can be deduced by analogy.
  • the time domain location in the subframe includes: when the uplink symbol cyclic prefix length is a normal length, the time domain location is specifically: the first time slot of the subframe or the fourth OFDM symbol of the second time slot; or The 7th OFDM symbol of the 1st slot of the subframe or the 1st OFDM symbol of the 2nd slot of the subframe
  • the time domain position is specifically: the first time slot of the subframe or the third OFDM symbol of the second time slot; or, the first time slot of the subframe The first OFDM symbol of the second slot of 6 OFDM symbols or subframes.
  • the two DMRS time domain symbols in the subframe are treated as a group.
  • the time-frequency position of the DMRS in the subframe is the same as the uplink DMRS of Rel-8/9/lO/l.
  • the subframe configuration index is 0, it can be backward compatible with UEs of Rel-8/9/l 0/11.
  • the index is 1, the corresponding period is 2 and the subframe configuration offset is 0, indicating that there are two subframes in a period of one subframe, one uplink DMRS in the first subframe, and not in the second subframe.
  • Other subframe configuration indexes can be deduced by analogy.
  • Subframe offset (in subframes)
  • Subframe offset (in subframes)
  • the user terminal receives the high layer signaling sent by the base station, and sends the uplink DMRS according to the configuration.
  • the base station configures, by the higher layer signaling, at least one resource or pattern or parameter set required for transmitting the uplink DMRS, and selects one of the at least one resource or pattern or parameter set by using a bit field in the downlink control information.
  • the user terminal is specifically used as an example for the UE, and two DMRS patterns are configured for the UE.
  • the first pattern is the same as the uplink DMRS pattern of the Rel-8/9/lO/11, and the purpose is to be backward compatible with the lower version UE.
  • an uplink DMRS sequence is placed on all subcarriers of the 4th OFDM symbol of each slot of the subframe, and when the CP is extended, all the 3rd OFDM symbols in each slot of the subframe are added.
  • the uplink DMRS sequence is placed on the carrier.
  • the second pattern is the uplink DMRS pattern configured for the small cell or the NCT, and the uplink DMRS subframe configuration (such as Table 2) configured with the high layer signaling is configured to configure the uplink DMRS, and the time domain location of the DMRS is sent.
  • the time domain location is specifically as follows:
  • the time domain position is specifically: a first time slot of a subframe including an uplink DMRS and/or a third OFDM symbol of a second time slot; or, including an uplink DMRS The sixth OFDM symbol of the first slot of the subframe or the first OFDM symbol of the second slot of the subframe.
  • the frequency domain location includes: all subcarriers or partial subcarriers of the bandwidth of the PUSCH where the uplink DMRS of the user terminal is located in the time domain location.
  • the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth is as an example when the cyclic prefix length of the above line symbol is a normal length, as shown in FIG. 6 or FIG. 7.
  • the bit field in the downlink control information includes: a carrier indicator bit field, or a cyclic shift of the DMRS and an OCC index bit field, or a week for indicating the DMRS A bit field of a period or subframe configuration or subframe offset or pattern, or a bit field indicating the number of consecutively scheduled subframes.
  • the user terminal receives the downlink control information and/or the high layer signaling sent by the base station, and sends the uplink DMRS according to the configuration.
  • the embodiment of the present invention provides a method for transmitting an uplink demodulation reference signal, where the user equipment is specifically a UE, and the base station configures a transmission period and/or a subframe offset of the uplink DMRS for the UE, and uses a bit field of the downlink control information. Indicated to the UE as shown in Table 5 or Table 6 or Table 7.
  • the time domain position is specifically: the first time slot of the subframe and/or the fourth OFDM symbol of the second time slot; or, the first time slot of the subframe The 7th OFDM symbol or the 1st OFDM symbol of the 2nd slot of the subframe;
  • the time domain position is specifically: the first time slot of the subframe and/or the third OFDM symbol of the second time slot; or, the first time slot of the subframe The 6th OFDM symbol or the 1st OFDM symbol of the 2nd slot of the subframe.
  • the frequency domain location includes: all subcarriers or partial subcarriers of the bandwidth of the PUSCH where the uplink DMRS of the user terminal is located in the time domain location.
  • Table 6 and Table 7 are extended to 3 bits on the basis of Table 5 to indicate the period of the uplink DMRS, and the indication manner can be based on Table 5 and so on.
  • the downlink control information includes: downlink control information for scheduling a physical uplink shared channel (PUSCH), a physical downlink shared channel (PDSCH), and scheduling a small cell. Downlink control information of the user terminal.
  • PUSCH physical uplink shared channel
  • PDSCH physical downlink shared channel
  • the bit field in the downlink control information includes: a carrier indicator bit field, or a cyclic shift of the DMRS and an OCC index bit field, or is used to indicate a period or subframe configuration or a subframe offset of the DMRS.
  • the bit field for indicating a period or subframe configuration or a subframe offset or pattern of the uplink DMRS or a bit field for indicating the number of consecutively scheduled subframes is carried in a DCI Format field unique to the user. Or carried in the DCI Format field dedicated to the user terminal carrying the scheduled small cell.
  • the user terminal sends an uplink DMRS according to the configuration.
  • the base station configures, for the user equipment, a resource or a pattern or a parameter set required for transmitting the uplink demodulation reference signal, where the resource or pattern or parameter set includes:
  • Time domain location frequency domain location, subframe configuration or period, and jump mode
  • the base station sends or indicates the resource or pattern or parameter set required for sending the uplink DMRS to the user terminal by using a bit field or higher layer signaling of the downlink control information.
  • the bit field of the downlink control information indicates that the downlink control information scheduling is performed.
  • the number of consecutive subframes of the user terminal (labeled M), as shown in Table 8 or Table 9 or Table 10:
  • the time domain location of the uplink DMRS is specifically:
  • the DMRS is on a first subframe and/or a last subframe and/or a ceil (M/2) subframe and/or a ceil (M/2) + 1 subframe of the one subframe, where , M is an integer, and ceil() means rounding up.
  • the downlink control information includes: downlink control information for scheduling a physical uplink shared channel (PUSCH), a physical downlink shared channel (PDSCH), and downlink control information for a user terminal for scheduling a small cell.
  • PUSCH physical uplink shared channel
  • PDSCH physical downlink shared channel
  • the bit field used to indicate the number of consecutively scheduled subframes is carried in a DCI Format domain that is specific to the user, or is carried in a DCI Format field dedicated to the user terminal that carries the scheduled small cell.
  • the user terminal sends an uplink DMRS according to the configuration.
  • An embodiment of the present invention provides an apparatus for transmitting an uplink demodulation reference signal, and the structure thereof is as shown in FIG. 10, including:
  • the configuration module 1001 is configured to configure, for the user equipment, a resource or a pattern or a parameter set required for sending the uplink DMRS, where the resource or the pattern or the parameter set includes:
  • Time domain location frequency domain location, subframe configuration or period, and jump mode
  • the indicating module 1002 is configured to send the sending uplink by using downlink control information or high layer signaling.
  • the resources or patterns or parameter sets required by the DMRS are sent or indicated to the user terminal.
  • the transmitting device of the uplink demodulation reference signal shown in FIG. 10 can be integrated in the base station, and the base station performs the corresponding function.
  • An embodiment of the present invention further provides an apparatus for transmitting an uplink demodulation reference signal, and the structure thereof is as shown in FIG.
  • the configuration receiving module 1101 is configured to receive downlink control information or high layer signaling that is used by the base station to configure a resource or a pattern or a parameter set required for the uplink DMRS, where the resource or the pattern or the parameter set includes:
  • Time domain location frequency domain location, subframe configuration or period, and jump mode
  • the signal sending module 1102 is configured to send an uplink DMRS according to a resource or a pattern or a parameter set required by the uplink DMRS configured by the base station.
  • the transmitting device of the uplink demodulation reference signal shown in FIG. 11 can be integrated in the user equipment, and the corresponding function is performed by the user equipment.
  • the embodiment of the present invention further provides a transmitting system for an uplink demodulation reference signal, including a base station and a user equipment therebelow, where the base station includes an uplink demodulation reference signal transmitting apparatus shown in FIG. a transmitting device including the uplink demodulation reference signal shown in FIG. 11;
  • the base station is configured to configure, for the user equipment, a resource or a pattern or a parameter set required for sending an uplink DMRS, and send the resource or a pattern or a parameter set required for sending the uplink DMRS by using downlink control information or high layer signaling.
  • the resource or pattern or parameter set includes:
  • Time domain location frequency domain location, subframe configuration or period, and jump mode
  • the user terminal is configured to receive downlink control information or high layer signaling that is used by the base station to configure a resource or a pattern or a parameter set required for an uplink DMRS, and according to resources required for the uplink DMRS configured by the base station, or A pattern or parameter set that sends an upstream DMRS.
  • the time domain location of the uplink DMRS is specifically:
  • the DMRS is on a first subframe and/or a last subframe and/or a ceil (M/2) subframe and/or a ceil (M/2) + 1 subframe of the M subframes, where , M is an integer, and ceil() means rounding up.
  • the time domain position is specifically: a first time slot of a subframe including an uplink DMRS and/or a fourth OFDM symbol of a second time slot, or ,
  • the time domain position is specifically: a first time slot of a subframe including an uplink DMRS and/or a third OFDM symbol of a second time slot, or ,
  • the sixth OFDM symbol of the first slot of the subframe including the uplink DMRS or the first OFDM symbol of the second slot of the subframe.
  • the frequency domain location includes:
  • the subframe configuration or period includes:
  • the subframe configuration index of the uplink DMRS, the period of the uplink DMRS, and the subframe offset of the uplink DMRS is not limited.
  • the jumping manner includes:
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, where n is an integer.
  • the uplink DMRS sequence of the user terminal occupies the lower half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the upper half bandwidth.
  • the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, and sequentially loops.
  • the jumping manner includes: In the first time slot of the subframe n, the uplink DMRS sequence of the user terminal occupies the upper half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the lower half bandwidth, where n is an integer.
  • the uplink DMRS sequence of the user terminal occupies the lower half bandwidth subcarrier of the PUSCH bandwidth or the subcarrier of the upper half bandwidth.
  • the configuration on the subframe n+1 is the same as that of the subframe n, and the loop jumps in sequence.
  • the base station sends the resource or the pattern or the parameter set required for sending the uplink DMRS to the user terminal by using the downlink control information or the high layer signaling, specifically:
  • the base station configures, by using the high layer signaling, the at least one resource or pattern or parameter set required for sending the uplink DMRS, and selects one of the at least one resource or pattern or parameter set by using a bit field in the downlink control information.
  • the downlink control information includes downlink control information for scheduling a PUSCH or for scheduling a PDSCH or downlink control information for a user terminal for scheduling a small cell.
  • the bit field in the downlink control information includes:
  • the carrier indicates a bit field, or a cyclic shift of the DMRS and an OCC index bit field, or a bit field for indicating a period or subframe configuration or a subframe offset or pattern of the DMRS, or for indicating the number of consecutively scheduled subframes. Bit field.
  • the bit field for indicating a period or subframe configuration or subframe offset or pattern of the uplink DMRS and the bit field for indicating the number of consecutively scheduled subframes are carried in a user-specific DCI Format In the domain, or in the DCI Format field dedicated to the user terminal carrying the scheduled small cell.
  • An embodiment of the present invention provides a method, an apparatus, and a system for transmitting an uplink demodulation reference signal.
  • the base station configures, for a user terminal, a resource or a pattern or a parameter set required for transmitting an uplink DMRS, and indicates by using downlink control information or high layer signaling.
  • the resource or the pattern or the parameter set required for sending the uplink DMRS includes: a time domain location, a frequency domain location, a subframe configuration or a period, and a jump mode;
  • the technical solution provided by the present invention implements an uplink DMRS sending mechanism with low time-frequency resource overhead, and solves the problem.
  • the base station configures multiple uplink DMRS resources or patterns or parameter sets for the user terminal by using downlink control information or high layer signaling, and dynamically selects multiple resources or one of the patterns or parameter sets through the downlink control information.
  • the base station can dynamically configure the uplink DMRS for the UE according to the scenario in which the UE is located, which saves the overhead of the uplink DMRS, thereby improving the transmission performance of the system.
  • all or part of the steps of the foregoing embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the invention is not limited to any particular combination of hardware and software.
  • the various devices/function modules/functional units in the above embodiments may be implemented using a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • Each device/function module/functional unit in the above embodiments can be stored in a computer readable storage medium when implemented in the form of a software function module and sold or used as a standalone product.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • a base station configures a resource or a pattern or a parameter set of multiple uplink DMRSs for a user terminal by using downlink control information or high layer signaling, and dynamically selects multiple resources or patterns or parameter sets by using downlink control information.
  • the base station can dynamically configure the uplink DMRS for the UE according to the scenario in which the UE is located, thereby saving the overhead of the uplink DMRS, thereby improving the transmission performance of the system.

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Abstract

L'invention concerne un procédé d'envoi de signal de référence de démodulation (DMRS) de liaison montante qui comprend : une station de base configurant une ressource, un profil ou un ensemble de paramètres requis pour envoyer un DMRS de liaison montante pour un équipement utilisateur, la ressource, le profil ou l'ensemble de paramètres comprenant une position de domaine temporel, une position de domaine de fréquence, une configuration de sous-trame ou un cycle et un mode de saut ; et la station de base envoyant ou donnant une instruction sur la ressource, le profil ou l'ensemble de paramètres requis pour envoyer le DMRS de liaison montante à l'équipement utilisateur par le biais d'un domaine de bits d'informations de commande de liaison descendante ou une signalisation de haut niveau.
PCT/CN2013/086115 2013-01-18 2013-10-29 Procédé d'envoi de signal de référence de démodulation de liaison montante, appareil et système Ceased WO2014110928A1 (fr)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3232596A4 (fr) * 2014-12-30 2017-12-20 Huawei Technologies Co., Ltd. Dispositif, système et procédé de transmission de signal de référence de démodulation
WO2018195871A1 (fr) * 2017-04-27 2018-11-01 Oppo广东移动通信有限公司 Procédé d'émission d'un signal de référence, terminal et dispositif de réseau
CN109167747A (zh) * 2017-11-17 2019-01-08 华为技术有限公司 通信方法和通信设备
US20210153174A1 (en) 2018-04-04 2021-05-20 Zte Corporation Method and device for determining and detecting time domain resource, storage medium, and electronic device
US11044713B2 (en) 2016-11-11 2021-06-22 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Terminal device scheduling method, network device, and terminal device

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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WO2016058168A1 (fr) * 2014-10-17 2016-04-21 华为技术有限公司 Procédé et dispositif d'émission de trames de données
CN106411486B (zh) * 2015-07-31 2020-01-24 电信科学技术研究院 一种上行解调导频的发送接收方法及装置
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CN106603455A (zh) * 2015-10-14 2017-04-26 普天信息技术有限公司 一种上行参考符号的传输方法、系统和用户设备
CN106656446B (zh) 2015-11-03 2020-06-26 中兴通讯股份有限公司 参考信号的发送方法及装置、接收方法及装置
PT3372034T (pt) 2015-11-03 2020-12-24 Ericsson Telefon Ab L M Métodos e aparelhos para escalonamento em ligação ascendente
WO2017075905A1 (fr) * 2015-11-03 2017-05-11 中兴通讯股份有限公司 Procédé et dispositif de transmission de signal de référence ainsi que procédé et dispositif de réception de signal de référence
JP2019033304A (ja) * 2015-12-25 2019-02-28 シャープ株式会社 基地局装置、端末装置および通信方法
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WO2017132861A1 (fr) * 2016-02-03 2017-08-10 华为技术有限公司 Procédé d'envoi de signal, station de base et équipement utilisateur
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WO2018137223A1 (fr) * 2017-01-25 2018-08-02 华为技术有限公司 Procédé et dispositif permettant de transmettre un signal de référence, ainsi que procédé et dispositif permettant de recevoir un signal de référence
JP2020057827A (ja) * 2017-02-02 2020-04-09 シャープ株式会社 基地局装置、端末装置、通信方法、および、集積回路
CN108633012B (zh) * 2017-03-22 2021-10-26 展讯通信（上海）有限公司 一种时隙聚合方法、装置及基站
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US10419188B2 (en) * 2017-03-24 2019-09-17 Qualcomm Incorporated Virtual time-domain multiplexing for reference signals and data with modified cyclic prefix
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CN108111266B (zh) * 2017-05-05 2022-08-19 中兴通讯股份有限公司 解调参考信号的配置方法、通信装置及通信节点
CN108809598B (zh) * 2017-05-05 2023-10-20 华为技术有限公司 一种通信方法及装置
CN109150424B (zh) * 2017-06-15 2021-09-07 华为技术有限公司 参考信号、消息的传输方法、传输资源确定方法和装置
CN109152028B (zh) * 2017-06-16 2022-02-22 中兴通讯股份有限公司 定时信息的发送、确定方法、装置、存储介质及处理器
CN109150434A (zh) * 2017-06-16 2019-01-04 华为技术有限公司 传输信息的方法和装置
CN109150461B (zh) * 2017-06-16 2023-03-24 华为技术有限公司 一种发送解调参考信号的方法和装置、解调方法和装置
CN108112079B (zh) * 2017-06-23 2022-04-29 中兴通讯股份有限公司 配置资源的发送、配置、接收方法及装置
US20200163104A1 (en) * 2017-07-13 2020-05-21 Huawei Technologies Co., Ltd. Data Transmission Method and Device
CN109274472B (zh) * 2017-07-17 2024-05-14 华为技术有限公司 数据传输方法、网络设备和终端设备
CN117792597B (zh) * 2017-07-17 2024-12-10 华为技术有限公司 用于传输dmrs的方法和通信设备
WO2019015468A1 (fr) * 2017-07-17 2019-01-24 华为技术有限公司 Procédé de transmission de données, dispositif réseau et dispositif terminal
CN109286980A (zh) * 2017-07-19 2019-01-29 普天信息技术有限公司 一种业务信道时域位置指示方法、基站和用户设备
CN107154911B (zh) * 2017-07-19 2020-08-07 珠海市魅族科技有限公司 解调参考信号的配置方法及配置装置、网络侧设备和终端
CN108111275B (zh) * 2017-08-11 2022-01-28 中兴通讯股份有限公司 参考信号信息的配置方法及装置
GB2565342A (en) * 2017-08-11 2019-02-13 Tcl Communication Ltd Pilot signals
CN110999166B (zh) * 2017-09-07 2022-07-01 南通朗恒通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
CN108111280B (zh) * 2017-09-11 2023-07-14 中兴通讯股份有限公司 参考信号配置、信息的发送、信息的接收方法及装置
CN109586869B (zh) * 2017-09-29 2021-08-06 中国移动通信有限公司研究院 Srs发送方法、相位差处理方法、通信设备及存储介质
CN109600211B (zh) * 2017-09-30 2024-06-07 中兴通讯股份有限公司 随机接入前导的跳频处理方法和装置、及终端和存储介质
CN109660323B (zh) * 2017-10-11 2020-10-20 维沃移动通信有限公司 一种配置csi-rs的时域位置的方法、基站和用户终端
CN108111283B (zh) * 2017-11-03 2021-12-14 中兴通讯股份有限公司 一种参考信号的传输方法及设备
CN109787733B (zh) * 2017-11-14 2021-12-24 华为技术有限公司 通信方法及装置
CN109995488B (zh) * 2017-12-29 2024-12-24 中兴通讯股份有限公司 相位追踪参考信号的发送、接收方法及装置
CN110022193B (zh) * 2018-01-09 2020-08-11 维沃移动通信有限公司 解调参考信号的传输方法及网络设备
CN110035527B (zh) 2018-01-12 2023-11-10 华为技术有限公司 资源指示方法、终端设备和网络设备
CN108260219B (zh) 2018-01-12 2021-11-12 中兴通讯股份有限公司 一种参考信号的接收和发送方法、设备及计算机可读存储介质
CN110266460B (zh) * 2018-01-12 2020-06-16 华为技术有限公司 资源指示方法、终端设备和网络设备
CN110381588B (zh) * 2018-04-13 2021-07-16 华为技术有限公司 通信的方法和通信装置
CN110391889B (zh) * 2018-04-23 2020-11-17 华为技术有限公司 一种时隙格式的确定方法及装置
EP3793152A4 (fr) * 2018-05-08 2021-12-08 Ntt Docomo, Inc. Terminal utilisateur, et procédé de communication sans fil
CN110890947B (zh) * 2018-09-07 2021-10-01 华为技术有限公司 通信方法及装置
CN111869140B (zh) * 2018-09-11 2022-01-25 Oppo广东移动通信有限公司 通信方法、终端设备和网络设备
US11218288B2 (en) * 2019-01-11 2022-01-04 Mediatek Inc. Low PAPR reference signal
CN111684852A (zh) * 2019-01-11 2020-09-18 中国移动通信有限公司研究院 一种资源分配的方法、装置及计算机可读存储介质
CN111294944B (zh) * 2019-03-29 2023-04-21 北京紫光展锐通信技术有限公司 资源池的配置方法及装置、存储介质、终端、基站
CN111294757B (zh) * 2019-04-29 2023-04-18 北京紫光展锐通信技术有限公司 V2x的收发方法及装置、存储介质、终端
US20200351070A1 (en) * 2019-05-02 2020-11-05 Mediatek Singapore Pte. Ltd. Low papr computer generated sequence pairing
CN115443707B (zh) * 2020-04-22 2025-09-23 株式会社Ntt都科摩 终端
WO2022000143A1 (fr) * 2020-06-28 2022-01-06 北京小米移动软件有限公司 Procédé et appareil de transmission de données, et support de stockage
CN112996100B (zh) * 2021-03-09 2023-10-24 江苏华鹏智能仪表科技股份有限公司 基于宽带技术的终端直通通信的终端下行同步方法
WO2025145295A1 (fr) * 2024-01-02 2025-07-10 Zte Corporation Procédés et dispositifs de configuration de ressource de domaine fréquentiel pour duplex intégral

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010068047A2 (fr) * 2008-12-11 2010-06-17 Lg Electronics Inc. Procédé et appareil pour transmettre un signal de référence produit par une station relais dans un système de communication sans fil
CN102158252A (zh) * 2011-04-19 2011-08-17 电信科学技术研究院 一种配置和确定上行循环移位跳频的方法、系统及设备
CN102404854A (zh) * 2011-11-04 2012-04-04 中兴通讯股份有限公司 一种上行解调参考信号的资源配置方法及系统
CN102685890A (zh) * 2011-03-08 2012-09-19 中兴通讯股份有限公司 一种导频的发送方法及系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100449963C (zh) * 2005-12-02 2009-01-07 华为技术有限公司 在辅载频上建立上行导频信道和快速物理接入信道的方法
CN101414870B (zh) * 2007-10-15 2012-10-24 电信科学技术研究院 下行控制信令及参考符号传输方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010068047A2 (fr) * 2008-12-11 2010-06-17 Lg Electronics Inc. Procédé et appareil pour transmettre un signal de référence produit par une station relais dans un système de communication sans fil
CN102685890A (zh) * 2011-03-08 2012-09-19 中兴通讯股份有限公司 一种导频的发送方法及系统
CN102158252A (zh) * 2011-04-19 2011-08-17 电信科学技术研究院 一种配置和确定上行循环移位跳频的方法、系统及设备
CN102404854A (zh) * 2011-11-04 2012-04-04 中兴通讯股份有限公司 一种上行解调参考信号的资源配置方法及系统

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10673670B2 (en) 2014-12-30 2020-06-02 Huawei Technologies Co., Ltd. Demodulation reference signal transmission apparatus, system, and method
EP3518453A1 (fr) * 2014-12-30 2019-07-31 Huawei Technologies Co., Ltd. Appareil de transmission de signal de référence de démodulation, système et procédé
EP3232596A4 (fr) * 2014-12-30 2017-12-20 Huawei Technologies Co., Ltd. Dispositif, système et procédé de transmission de signal de référence de démodulation
TWI757359B (zh) * 2016-11-11 2022-03-11 大陸商Ｏｐｐｏ廣東移動通信有限公司 調度終端設備的方法、網路設備和終端設備
US11044713B2 (en) 2016-11-11 2021-06-22 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Terminal device scheduling method, network device, and terminal device
CN112332969A (zh) * 2017-04-27 2021-02-05 Oppo广东移动通信有限公司 参考信号的传输方法、终端及网络设备
US11171763B2 (en) 2017-04-27 2021-11-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for transmitting reference signal, terminal and network device
WO2018195871A1 (fr) * 2017-04-27 2018-11-01 Oppo广东移动通信有限公司 Procédé d'émission d'un signal de référence, terminal et dispositif de réseau
CN112332969B (zh) * 2017-04-27 2022-12-20 Oppo广东移动通信有限公司 参考信号的传输方法、终端及网络设备
CN109167747B (zh) * 2017-11-17 2019-08-13 华为技术有限公司 通信方法和通信设备
CN109167747A (zh) * 2017-11-17 2019-01-08 华为技术有限公司 通信方法和通信设备
US12004095B2 (en) 2017-11-17 2024-06-04 Huawei Technologies Co., Ltd. Communication method and communications device
US20210153174A1 (en) 2018-04-04 2021-05-20 Zte Corporation Method and device for determining and detecting time domain resource, storage medium, and electronic device
US11696294B2 (en) 2018-04-04 2023-07-04 Zte Corporation Method and device for determining and detecting time domain resource, storage medium, and electronic device
US12133239B2 (en) 2018-04-04 2024-10-29 Zte Corporation Method and device for determining and detecting time domain resource, storage medium, and electronic device

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