WO2014075294A1 - Procédé de transmission de signal de référence (rs), équipement d'utilisateur et appareil de réseau - Google Patents

Procédé de transmission de signal de référence (rs), équipement d'utilisateur et appareil de réseau Download PDF

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Publication number
WO2014075294A1
WO2014075294A1 PCT/CN2012/084749 CN2012084749W WO2014075294A1 WO 2014075294 A1 WO2014075294 A1 WO 2014075294A1 CN 2012084749 W CN2012084749 W CN 2012084749W WO 2014075294 A1 WO2014075294 A1 WO 2014075294A1
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Prior art keywords
orthogonal resource
orthogonal
type
information
resource
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PCT/CN2012/084749
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English (en)
Chinese (zh)
Inventor
周明宇
李强
Original Assignee
华为技术有限公司
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Priority to CN201280076729.6A priority Critical patent/CN104782199B/zh
Priority to PCT/CN2012/084749 priority patent/WO2014075294A1/fr
Publication of WO2014075294A1 publication Critical patent/WO2014075294A1/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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management

Definitions

  • the present invention relates to the field of communications, and in particular, to a reference signal (Reference Signal, abbreviated as RS) transmission method, a user equipment, and a network device.
  • the network device sends control signaling to the user equipment (User Equipment, UE for short), notifies the UE of the uplink and/or downlink resources allocated by the network equipment for the UE, or notifies the UE of the configuration information. , in order to facilitate the UE to send or receive accordingly.
  • the uplink RS includes a Demodulation Reference Signal (DMRS) for demodulation and a Sounding Reference Signal (SRS) for measuring a wireless channel. And so on, the downlink RS includes a DM RS for demodulation and a Channel State Information-Reference Signal (CSI-RS) for measuring a wireless channel.
  • DMRS Demodulation Reference Signal
  • SRS Sounding Reference Signal
  • CSI-RS Channel State Information-Reference Signal
  • the network device sends a radio resource control (Radio Resource Control, RRC for short) signaling to the UE to notify the UE of the configuration of the SRS (that is, after the network device sends the SRS configuration to the UE, until the next SRS is sent.
  • RRC Radio Resource Control
  • the SRS configuration is always used, and the UE is dynamically triggered by dynamic scheduling signaling, for example, an aperiodic SRS in the LTE system;
  • the DM RS is accompanied by a data channel physical uplink shared channel ( The Physical Uplink Shared CHannel (PUSCH) is transmitted and occupies the same frequency resource as the PUSCH, and the PUSCH is scheduled by the dynamic scheduling signaling sent by the network device to the UE. That is, the network device usually sends a dynamic scheduling signal. Let the PUSCH be scheduled once, and notify the UE of the configuration of the DM RS in the dynamic scheduling signaling.
  • PUSCH Physical Uplink Shared CHannel
  • a method for transmitting an RS comprising: receiving control signaling from a network device, where the control signaling includes orthogonal resource information; determining, according to orthogonal resource information, with at least two types of RSs An orthogonal resource corresponding to each type of RS; and an RS corresponding to the determined orthogonal resource is transmitted by using the determined orthogonal resource.
  • determining, by using the orthogonal resource information, the orthogonal resources corresponding to each of the at least two types of RSs includes: determining, according to the orthogonal resource information, the first type of RSs Transmitting, by the first orthogonal resource, the second orthogonal resource corresponding to the second type of RS; and using the determined orthogonal resource to transmit the RS corresponding to the determined orthogonal resource, including: transmitting, by using the first orthogonal resource, the first type of RS, using the first The second orthogonal resource transmits the second type of RS.
  • the orthogonal resource includes: determining, according to the first correspondence between the orthogonal resource information and the first orthogonal resource, the first orthogonal resource; according to the second correspondence between the orthogonal resource information and the second orthogonal resource, Determine a second orthogonal resource.
  • the orthogonal resources include at least one of: a cyclic shift CS resource, an orthogonal mask 0CC, and a comb.
  • the first corresponding relationship and the second corresponding relationship are different.
  • the control signaling is control signaling for uplink scheduling
  • the orthogonal resource is CS resource
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • the control signaling is control signaling for downlink scheduling
  • the orthogonal resource is OCC
  • the orthogonal resource information includes an OCC number.
  • the information n OCC, determining the first orthogonal resource according to the first correspondence between the orthogonal resource information and the information of the first orthogonal resource includes: determining an orthogonal mask OCC number of the first orthogonal resource: Ln_OCC x N _l / N _ 2jmod N _l; determining a first number of the first orthogonal resources according occ orthogonal resources; and / or, between the orthogonal resource corresponding to the second information and the information of the second orthogonal resource according
  • the determining, the determining the second orthogonal resource includes: determining that the OCC number of the second orthogonal resource is: nO ⁇ mGd W - 2 , determining the second orthogonal resource according to the OCC number of the second
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS
  • the first orthogonal resource is a comb
  • the second orthogonal resource is an OCC
  • Determining the first orthogonal resource, the first orthogonal resource includes: determining a comb according to the first correspondence between the orthogonal resource information and the comb tooth; according to the first between the orthogonal resource information and the second orthogonal resource
  • determining the second orthogonal resource includes: determining the OCC according to the orthogonal resource information and the second correspondence of the 0CC.
  • the first type of RS is an interference measurement reference signal IRS
  • the second type of RS is a DM RS, where the IRS is used for detecting interference or The RS of the signal to interference and noise ratio SINR.
  • the IRS and the DM RS use the same base sequence, a base sequence group, a sequence hopping rule, a sequence group hopping rule, And at least one of the CS hopping rules.
  • the comb teeth include at least one of the following: an odd comb tooth, an even comb tooth, an odd comb tooth sub comb and Sub combs of even comb teeth.
  • the first orthogonal resource corresponding to the first type of RS and the second orthogonal resource corresponding to the second type of RS include: determining, according to the orthogonal resource information and the number of each layer, the positive corresponding to each antenna port of the n-layer antenna ports The resource information is obtained, and the first orthogonal resource corresponding to the first type of RS transmitted by each antenna port is determined according to the orthogonal resource information corresponding to each antenna port, and each antenna port is determined according to the orthogonal resource information corresponding to each antenna port.
  • Transmitting the second orthogonal resource corresponding to the second type of RS transmitting the first type of RS by using the first orthogonal resource, and transmitting the second type of RS by using the second orthogonal resource, by: using the determined first orthogonal resource to pass the corresponding The n-layer antenna port transmits the corresponding first type RS, and uses the determined second orthogonal resource to transmit the corresponding second type RS through the corresponding n-layer antenna port.
  • Transmitting the first type of RS by using the first orthogonal resource, and transmitting the second type of RS by using the second orthogonal resource including: transmitting, by using the first orthogonal resource, the first type of RS, and using the second orthogonal resource, in the second time period.
  • a second type of RS is transmitted, wherein the first time period and the second time period belong to different transmission time intervals TTI.
  • a second aspect provides a method for transmitting an RS, including: determining orthogonal resources corresponding to each type of RSs of at least two types of RSs; and transmitting control signaling including orthogonal resource information to a user equipment UE, orthogonal
  • the resource information is used to determine an orthogonal resource corresponding to each of the at least two types of RSs; and the RS corresponding to the determined orthogonal resource is transmitted with the UE using the determined orthogonal resource.
  • the at least two types of RSs include the first type of RSs and the second type of RSs, and the RSs corresponding to the determined orthogonal resources are transmitted by using the determined orthogonal resources, including:
  • the first orthogonal resource determined by the cross resource information transmits the first type of RS, and the second type of RS is transmitted by using the second orthogonal resource determined according to the orthogonal resource information.
  • the first corresponding relationship exists between the orthogonal resource information and the first orthogonal resource; the orthogonal resource information and the second positive There is a second correspondence between the intersecting resources.
  • the orthogonal resources include at least one of: a cyclic shift CS resource, an orthogonal mask occ, and a comb.
  • the first corresponding relationship and the second corresponding relationship are different.
  • control signaling is control signaling for uplink scheduling
  • orthogonal resource is CS resource
  • orthogonal resource information includes CS Number information n_CS
  • n_CS_1 is the cyclic shift CS number of the first orthogonal resource
  • n_CS-1 is the cyclic shift CS number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 Is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation.
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • the control information For the control signaling used for downlink scheduling is OCC
  • the orthogonal resource information includes OCC number information n_OCC
  • the first correspondence includes: n oc Ln ( : x N — 1/ N — 2 Qd N — 1 ; 3 ⁇ 4/ or the second correspondence includes: madN - 2 ,
  • n_0CC_1 is the OCC number of the first orthogonal resource
  • n_0CC-2 is the OCC number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N-2 is the resource of the second orthogonal resource
  • mod represents the modulo operation
  • L" represents the rounding operation.
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS
  • the first orthogonal resource is a comb
  • the second orthogonal resource is 0CC; between the orthogonal resource information and the comb tooth
  • the first type of RS is an interference measurement reference signal IRS
  • the second type of RS is a DM RS, where the IRS is used for detecting interference or The RS of the signal to interference and noise ratio SINR.
  • the IRS and the DM RS use the same base sequence, a base sequence group, a sequence hopping rule, a sequence group hopping rule, Or CS hopping rules.
  • the comb tooth comprises at least one of the following: an odd comb tooth, an even comb tooth, an odd comb comb sub comb and an even number Comb combs.
  • control signaling further includes a layer indication, where the indicator is used to indicate that the layer is transmitted by the 11_1 ⁇ layer;
  • the information is used to determine orthogonal resource information corresponding to each antenna port of the n-layer antenna ports according to the orthogonal resource information and the number of each layer, and the orthogonal resource information corresponding to each antenna port is used to determine the antenna port for transmission.
  • Determining orthogonal resources corresponding to each of the at least two types of RSs includes:
  • the RS corresponding to the determined orthogonal resource transmitted by the UE using the determined orthogonal resource includes:
  • the first type of RS transmits the second type of RS using a second orthogonal resource corresponding to the antenna port.
  • the determining, by using the determined orthogonal resource, the RS corresponding to the determined orthogonal resource includes: using the first time in the first time period
  • the orthogonal resource transmits the first type of RS
  • the second orthogonal resource is used to transmit the second type of RS in the second time period, where the first time period and the second time period belong to different transmission time intervals TTI.
  • a third aspect provides a user equipment, including: a transmission unit and a determining unit, where the transmission unit is configured to receive control signaling from a network device, where the control signaling includes orthogonal resource information; And a unit, configured to determine, according to the orthogonal resource information, an orthogonal resource corresponding to each of the at least two types of RSs; the transmitting unit is further configured to transmit, by using the determined orthogonal resource, the RS corresponding to the determined orthogonal resource.
  • the determining unit is configured to determine, according to the orthogonal resource information, the first orthogonal resource corresponding to the first type of RS and the second orthogonal resource corresponding to the second type of RS;
  • the first type of RS is transmitted by using the first orthogonal resource
  • the second type of RS is transmitted by using the second orthogonal resource.
  • the determining unit includes: a first determining module, connected to the transmitting unit, configured to perform orthogonal information according to orthogonal information And determining, by the first correspondence between the resources, the first orthogonal resource, the second determining module, connected to the transmitting unit, configured to determine the second according to the second correspondence between the orthogonal resource information and the second orthogonal resource Orthogonal resources.
  • the orthogonal resources include at least one of: a cyclic shift CS resource, an orthogonal mask OCC, and a comb.
  • the first corresponding relationship and the second corresponding relationship are different.
  • the control signaling is control signaling for uplink scheduling
  • the orthogonal resource is CS resource
  • the orthogonal resource information includes CS Number information n_CS
  • the first determining module is configured to determine that the Cs number of the first orthogonal resource is: L n - eS xN - 1 / N - 2 mc) dN - and determine the first orthogonal resource according to the CS number of the first orthogonal resource; and / or
  • the second determining module is configured to determine that the CS number of the second orthogonal resource is: n_eSmodW-2, and determine the second orthogonal resource according to the CS number of the second orthogonal resource,
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • control signaling is control signaling for downlink scheduling
  • orthogonal resource is OCC
  • orthogonal resource information includes an OCC number.
  • the second determining module is configured to determine that the 0CC number of the second orthogonal resource is: n_0eCmad i - 2, and determine the second orthogonal resource according to the OCC number of the second orthogonal resource,
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS
  • the first orthogonal resource is a comb
  • the second orthogonal resource is an OCC
  • the first determining module is configured to perform orthogonal The first correspondence between the resource information and the comb determines the comb; the second determining module is configured to determine the occ according to the second correspondence between the orthogonal resource information and the OCC.
  • the first type in combination with any of the above possible implementation manners, in the tenth possible implementation manner of the third aspect, the first type
  • the RS is the interference measurement reference signal IRS
  • the second type RS is the DM RS
  • the IRS is the RS for detecting the interference or the signal to interference and noise ratio SINR.
  • the IRS and the DM RS use the same base sequence, a base sequence group, a sequence hopping rule, a sequence group hopping rule, And CS jump At least one of the rules.
  • the comb teeth include at least one of: an odd comb tooth, an even comb tooth, an odd comb tooth sub comb and Sub combs of even comb teeth.
  • control signaling further includes a layer indication, which is used to indicate transmission by the flayer layer;
  • the resource information and the number of each layer determine the orthogonal resource information corresponding to each antenna port of the n-layer antenna ports, and determine the first type of RS corresponding to each antenna port according to the orthogonal resource information corresponding to each antenna port.
  • the transmitting unit is configured to use the determined first orthogonal resource to pass the corresponding The n-layer antenna port transmits the corresponding first type of RS, and uses the determined second orthogonal resource to transmit the corresponding second type through the corresponding n-layer antenna port, in combination with any of the above possible implementation manners, In a fourteenth possible implementation manner of the third aspect, the transmitting unit is configured to use the first orthogonal resource to transmit the first type of RS in the first time period, in the second time period.
  • a fourth aspect provides a network device, including: a determining unit and a transmitting unit, where the determining unit is configured to determine orthogonal resources corresponding to each type of RS of at least two types of RSs; and the transmitting unit is connected to the determining unit And transmitting, to the user equipment UE, control signaling including orthogonal resource information, and transmitting, by using the determined orthogonal resource, the RS corresponding to the determined orthogonal resource, where the orthogonal resource information is used to determine at least two Orthogonal resources corresponding to each type of RS in the class RS.
  • the at least two types of RSs include the first type of RSs and the second type of RSs; and the transmitting unit is configured to transmit the first type by using the first orthogonal resources determined according to the orthogonal resource information.
  • the RS transmits the second type of RS using the second orthogonal resource determined according to the orthogonal resource information.
  • the first corresponding relationship exists between the orthogonal resource information and the first orthogonal resource; the orthogonal resource information and the second positive There is a second correspondence between the intersecting resources.
  • the orthogonal resources include at least one of: a cyclic shift CS resource, an orthogonal mask 0CC, and a comb.
  • the first correspondence relationship and the second correspondence relationship are different.
  • the control signaling is control signaling for uplink scheduling
  • the orthogonal resource is CS resource
  • the orthogonal resource information includes CS Number information n_CS;
  • n_CS_1 is the cyclic shift CS number of the first orthogonal resource
  • n_CS-1 is the cyclic shift CS number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 Is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation.
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • control signaling is control signaling for downlink scheduling
  • orthogonal resource is OCC
  • orthogonal resource information includes an OCC number.
  • n_0CC_1 is the OCC number of the first orthogonal resource
  • n_0CC-2 is the OCC number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N-2 is the resource of the second orthogonal resource
  • mod represents the modulo operation
  • L" represents the rounding operation.
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS
  • the first orthogonal resource is a comb
  • the second orthogonal resource is an OCC
  • the orthogonal resource information and the comb tooth are There is a correspondence relationship, and there is a correspondence between orthogonal resource information and 0CC.
  • the first type of RS is an interference measurement reference signal IRS
  • the second type of RS is a DM RS, where the IRS is used for detecting interference or The RS of the signal to interference and noise ratio SINR.
  • the IRS and the DM RS use the same base sequence, a base sequence group, a sequence hopping rule, a sequence group hopping rule, Or CS hopping rules.
  • the comb tooth includes at least one of the following: an odd comb tooth, an even comb tooth, an odd comb comb sub comb and an even number Comb combs.
  • the control signaling further includes a layer indication, where the UE is in the njayer layer, and the orthogonal resource information is used.
  • Orthogonal resource information corresponding to each antenna port of the n-layer antenna ports is determined according to the orthogonal resource information and the number of each layer, and the orthogonal resource information corresponding to each antenna port is used to determine that the antenna port is used to transmit the first type of RS Corresponding first orthogonal resource and second orthogonal resource corresponding to the second type of RS;
  • the determining unit is configured to determine that each antenna port of the n-layer antenna port is used to transmit the first positive of the first type of RS And a second orthogonal resource for transmitting the second type of RS;
  • the transmission unit is configured to transmit the first type of the first orthogonal resource corresponding to the antenna port on each of the n-layer antenna ports
  • the RS transmits the second type of RS by using a second
  • the transmitting unit is configured to use the first orthogonal resource to transmit the first type of RS in the first time period, and use the second time period in the second time period.
  • the second orthogonal resource transmits the second type of RS, where the first time period and the second time period belong to different transmission time intervals TTI.
  • the determining unit is configured to determine, for each of the at least two UEs, each of the at least two types of RSs Orthogonal resources corresponding to the RS:
  • the transmission unit is configured to send control signaling including orthogonal resource information to at least two UEs in the same transmission time interval, where orthogonal resource information sent to different UEs is different;
  • the RS corresponding to the orthogonal resource is transmitted with the corresponding UE using the determined orthogonal resource.
  • a fifth aspect provides a user equipment, including: a transceiver, configured to send and receive a signal; a processor, configured to: control a transceiver to receive control signaling from a network device, where the control signaling includes orthogonal resource information; And determining orthogonal resources corresponding to each of the at least two types of RSs according to the orthogonal resource information; and controlling the transceiver to transmit the RS corresponding to the determined orthogonal resources by using the determined orthogonal resources.
  • the processor is configured to determine, according to the orthogonal resource information, orthogonal resources corresponding to each of the at least two types of RSs: determining, according to the orthogonal resource information a first orthogonal resource corresponding to the RS and a second orthogonal resource corresponding to the second type of RS; the processor implements, by using the following manner, the control transceiver to use the determined orthogonal resource to transmit the RS corresponding to the determined orthogonal resource: control The transceiver transmits the first type of RS using the first orthogonal resource and the second type of RS using the second orthogonal resource.
  • the processor by using the following manner, determining, by using the orthogonal resource information, the first orthogonal resource corresponding to the first type of RS and the second RS-like pair
  • the second orthogonal resource should be: determining, according to the first correspondence between the orthogonal resource information and the first orthogonal resource, the first orthogonal resource; according to the second between the orthogonal resource information and the second orthogonal resource Corresponding relationship determines a second orthogonal resource.
  • the orthogonal resources include at least one of: a cyclic shift CS resource, an orthogonal mask occ, and a comb.
  • the first corresponding relationship and the second corresponding relationship are different.
  • control signaling is control signaling for uplink scheduling
  • orthogonal resource is CS resource
  • orthogonal resource information includes CS Number information n_CS
  • the processor determines, according to the first correspondence between the orthogonal resource information and the first orthogonal resource, the first orthogonal resource by: determining that the CS number of the first orthogonal resource is: L n — CS x N— 1/ N — 2” mod N — 1, determining the first orthogonal resource according to the CS number of the first orthogonal resource; and/or
  • the processor determines, according to the second correspondence between the orthogonal resource information and the second orthogonal resource, the second orthogonal resource by: determining that the CS number of the second orthogonal resource is: n-CS mc ! N— 2. Determine, according to the CS number of the second orthogonal resource, the second orthogonal resource,
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • control signaling is control signaling for downlink scheduling
  • orthogonal resource is OCC
  • orthogonal resource information includes an OCC number.
  • the processor determines, according to the first correspondence between the orthogonal resource information and the information of the first orthogonal resource, the first orthogonal resource by: determining that the orthogonal mask OCC number of the first orthogonal resource is: L , _ OCCx N_l / N_ 2jmodN_l determines the first orthogonal resource according to the OCC number of the first orthogonal resource; and/or
  • the processor determines, according to the second correspondence between the orthogonal resource information and the information of the second orthogonal resource, the second orthogonal resource by: determining that the OCC number of the second orthogonal resource is: n_C m. d N- 2, determining a second orthogonal resource according to an OCC number of the second orthogonal resource, Wherein, N-1 is the total number of resources of the first orthogonal resource, N_2 is the total number of resources of the second orthogonal resource, mod represents a modulo operation, and L" represents a rounding operation.
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS
  • the first orthogonal resource is a comb
  • the second orthogonal resource is an OCC.
  • the processor is implemented according to the following manner. Determining, by the first correspondence between the resource information and the first orthogonal resource, the first orthogonal resource: determining the comb according to the first correspondence between the orthogonal resource information and the comb; the processor is implemented according to the orthogonal resource by: And determining, by the second correspondence between the information and the second orthogonal resource, the second orthogonal resource: determining the OCC according to the second correspondence between the orthogonal resource information and the OCC.
  • the first type of RS is an interference measurement reference signal IRS
  • the second type of RS is a DM RS
  • the IRS is used for detecting interference or The RS of the signal to interference and noise ratio SINR.
  • the IRS and the DM RS use the same base sequence, a base sequence group, a sequence hopping rule, a sequence group hopping rule, And at least one of the CS hopping rules.
  • the comb teeth include at least one of: an odd comb tooth, an even comb tooth, an odd comb tooth sub comb and Sub combs of even comb teeth.
  • the control signaling further includes a layer indication, where the indication is transmitted by the njayer layer; the processor is implemented according to the following manner
  • the orthogonal resource information determines a first orthogonal resource corresponding to the first type of RS and a second orthogonal resource corresponding to the second type of RS: determining each antenna of the n-layer antenna ports according to the orthogonal resource information and the number of each layer
  • the orthogonal resource information corresponding to the port is determined, and the first orthogonal resource corresponding to the first type of RS transmitted by each antenna port is determined according to the orthogonal resource information corresponding to each antenna port, and is determined according to the orthogonal resource information corresponding to each antenna port.
  • the processor implements the following manner: the control transceiver uses the first orthogonal resource to transmit the first type of RS, and the second orthogonal resource transmits the second type of RS Controlling, by the transceiver, transmitting the corresponding first type of RS through the corresponding n-layer antenna ports using the determined first orthogonal resource, using the determined second orthogonal N- layer corresponding to the source transmission antenna ports through a corresponding second type of RS.
  • the processor by using the following manner, the control transceiver is configured to transmit the first type of RS by using the first orthogonal resource, and using the second positive
  • the second type of RS is transmitted by the resource exchange: the control transceiver transmits the first type of RS using the first orthogonal resource in the first time period, and Transmitting the second type of RS by using the second orthogonal resource, where the first time period and the second time period belong to different transmission time interval TTL.
  • the sixth aspect provides a network device, including: a transceiver, configured to send and receive signals; And determining, by the control transceiver, orthogonal control resources corresponding to each type of RS in the at least two types of RSs; the control transceiver sends control signaling including orthogonal resource information to the user equipment UE, where the orthogonal resource information is used to determine and at least An orthogonal resource corresponding to each type of RS in the two types of RSs; the control transceiver transmits the RS corresponding to the determined orthogonal resource with the UE using the determined orthogonal resources.
  • the at least two types of RSs include the first type of RSs and the second type of RSs; and the processor implements, by using the following manner, the control transceiver uses the determined orthogonal resource transmission and the determined orthogonality.
  • RS corresponding to the resource The control transceiver transmits the first type of RS using the first orthogonal resource determined according to the orthogonal resource information, and transmits the second type of RS using the second orthogonal resource determined according to the orthogonal resource information.
  • the first corresponding relationship exists between the orthogonal resource information and the first orthogonal resource; the orthogonal resource information and the second positive There is a second correspondence between the intersecting resources.
  • the orthogonal resources include at least one of: a cyclic shift CS resource, an orthogonal mask OC:, and a comb.
  • the first corresponding relationship and the second corresponding relationship are different.
  • control signaling is control signaling for uplink scheduling
  • orthogonal resource is CS resource
  • orthogonal resource information includes CS Number information n_CS
  • the first correspondence includes: and /3 ⁇ 4
  • the second correspondence includes: n CS—Sz n- ⁇ mad W - 2 ,
  • n_CS_1 is the cyclic shift CS number of the first orthogonal resource
  • n_CS-1 is the cyclic shift CS number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 Is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation.
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • control signaling is control signaling for downlink scheduling
  • orthogonal resource is OCC
  • orthogonal resource information includes an OCC number.
  • n_OCC_1 is the OCC number of the first orthogonal resource
  • n_0CC-2 is the OCC number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N-2 is the resource of the second orthogonal resource
  • mod represents the modulo operation
  • L" represents the rounding operation.
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS
  • the first orthogonal resource is a comb
  • the second orthogonal resource is 0CC; between the orthogonal resource information and the comb tooth
  • the first type of RS is an interference measurement reference signal IRS
  • the second type of RS is a DM RS
  • the IRS is used for detecting interference or The RS of the signal to interference and noise ratio SINR.
  • the IRS and the DM RS use the same base sequence, a base sequence group, a sequence hopping rule, a sequence group hopping rule, Or CS hopping rules.
  • the comb teeth include at least one of the following: an odd comb tooth, an even comb tooth, an odd comb comb sub comb and an even number Comb combs.
  • the control signaling further includes a layer indication, where the indication is transmitted by the 11_1 ⁇ layer; the orthogonal resource information And configured to determine orthogonal resource information corresponding to each antenna port of each of the n-layer antenna ports according to the orthogonal resource information and the number of each layer, where the orthogonal resource information corresponding to each antenna port is used to determine that the antenna port is used for transmitting the first a first orthogonal resource corresponding to the class RS and a second orthogonal resource corresponding to the second type of RS; the processor implements determining, by using the following manner, orthogonal resources corresponding to each of the at least two types of RS: Each of the n_layer antenna ports is configured to transmit a first orthogonal resource of the first type of RS and a second orthogonal resource for transmitting the second type of RS; the processor implements the determined positive use of the control transceiver by: Transmitting the resource and
  • the control transceiver implements, by using the determined orthogonal resource transmission, the RS corresponding to the determined orthogonal resource by: controlling the transceiver to transmit the first type of RS using the first orthogonal resource in the first time period, and using the first time period in the second time period
  • the second orthogonal resource transmits the second type of RS, where the first time period and the second time period belong to different transmission time intervals TTI.
  • the processor by using the following manner, determining orthogonal resources corresponding to each of the at least two types of RSs: Each of the at least two UEs determines an orthogonal resource corresponding to each of the at least two types of RSs; the processor implements the control transceiver to send control signaling including orthogonal resource information to the UE in the following manner: Sending, by the same transmission time interval, control signaling including orthogonal resource information to at least two UEs, where orthogonal resource information sent to different UEs is different; the processor implements the following method to control the transceiver to use the determined orthogonal resources and The UE transmits an RS corresponding to the determined orthogonal resource: the control transceiver transmits the RS corresponding to the orthogonal resource with the corresponding UE using the determined orthogonal resource.
  • the UE receives the control signaling of the network device, determines the orthogonal resources of the multiple types of RSs according to the orthogonal resource information in the control signaling, and sends or receives the RS of the corresponding type by using the determined orthogonal resources. Thereby saving the overhead of notifying the RS configuration and improving the system efficiency.
  • FIG. 1 is a flowchart of a method for transmitting an RS according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another RS transmission method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for determining an orthogonal resource of an RS according to an embodiment of the present invention
  • FIG. 4 is a structural block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 5 is a block diagram showing a preferred structure of a user equipment according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a network device according to an embodiment of the present invention.
  • FIG. 7 is a structural block diagram of another user equipment according to an embodiment of the present invention.
  • FIG. 8 is a structural block diagram of another network device according to an embodiment of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. Based on the embodiments of the present invention, all of those obtained by those of ordinary skill in the art without creative efforts Other embodiments are within the scope of the invention. The features of the following embodiments or embodiments may be combined with each other without contradiction.
  • the network device may be a base station (Base Station, BS for short), an Access Point (AP), a remote radio device (Remo Radio Equipment, RRE for short), and a remote radio port.
  • BS Base Station
  • AP Access Point
  • RRE Remote Radio Equipment
  • RRH Remote Radio Head
  • RRU Remote Radio Unit
  • Relay node The relationship between the network device and the cell is not limited, and may be one network device corresponding to one or more cells, or one cell corresponding to one or more network devices.
  • User equipment can be a mobile terminal
  • Mobile Terminal referred to as MT
  • mobile user equipment may communicate with one or more core networks via a radio access network (for example, Radio Access Network, RAN for short), and the user equipment may be a mobile terminal, such as mobile A telephone (or "cellular" telephone) or a computer with a mobile terminal, for example, can be a portable, pocket, handheld, computer built-in or in-vehicle mobile device.
  • a radio access network for example, Radio Access Network, RAN for short
  • RAN Radio Access Network
  • the user equipment may be a mobile terminal, such as mobile A telephone (or "cellular" telephone) or a computer with a mobile terminal, for example, can be a portable, pocket, handheld, computer built-in or in-vehicle mobile device.
  • the RS in the present application can be used to detect signals in a wireless environment (including radio channel fading, interference, signal to interference plus noise ratio (SINR), etc.) or demodulation, and is not used. To pass any data information. Transmissions in this application include transmission or reception. For example, transmitting RSs includes transmitting or receiving RSs.
  • SINR signal to interference plus noise ratio
  • the embodiment provides a method for transmitting a reference signal RS, which can reduce the signaling credit for notifying the UE of the RS configuration, thereby improving system efficiency.
  • FIG. 1 is a flowchart of a method for transmitting an RS according to an embodiment of the present invention. As shown in FIG. 1, the method includes:
  • Step 101 Receive control signaling from a network device, where the control signaling includes orthogonal resource information.
  • Step 102 Determine orthogonal resources corresponding to each type of RS in at least two types of RSs according to the orthogonal resource information.
  • 103 The RS corresponding to the determined orthogonal resource is transmitted by using the orthogonal resource determined in step 102.
  • the control signaling of the network device is received, and the orthogonal resources of the multiple types of RSs are determined according to the orthogonal resource information in the control signaling, and the RSs of the corresponding types are transmitted by using the determined orthogonal resources. Therefore, in this embodiment, the orthogonal resources of different types of RSs can be determined according to only one field of one signaling, thereby saving the overhead of notifying the RS configuration and improving system efficiency.
  • control resource carries orthogonal resource information, that is, the resource determined according to the resource information sent to each UE and the resource determined according to the resource information sent to other UEs are orthogonal, so that Less resources allocate orthogonal resources to different UEs, and reduce interference between RSs sent by each UE.
  • the at least two types of RSs are the first type of RSs and the second type of RSs
  • determining, according to the orthogonal resource information, the first orthogonal resources corresponding to the first type of RSs and the second orthogonal resources corresponding to the second type of RSs Resources Then, the first type of RS may be transmitted using the first orthogonal resource, and the second type of RS may be transmitted using the second orthogonal resource.
  • At least two types of RSs are the first type of RSs and the second type of RSs.
  • different signaling is not needed to determine, thereby saving The overhead of notifying the RS configuration and improving the system efficiency.
  • the foregoing orthogonal resource includes at least one of the following: Cyclic Shift (referred to as CS) resource, orthogonal mask (Orthogonal) Cover Code, referred to as OCC) and comb.
  • CS Cyclic Shift
  • OCC orthogonal mask
  • comb comb
  • determining, according to the orthogonal resource information, the first orthogonal resource corresponding to the first type of RS and the second orthogonal resource corresponding to the second type of RS including: according to the orthogonal resource information and the first orthogonal resource And determining, by the first correspondence, the first orthogonal resource, and determining the second orthogonal resource according to the second correspondence between the orthogonal resource information and the second orthogonal resource.
  • the first correspondence relationship and the second correspondence relationship may be a one-to-one correspondence, a one-to-many correspondence, a many-to-one correspondence, and a many-to-many correspondence, and the correspondence may be represented by a function relationship. , can be achieved by pre-setting, for example, preset correspondence table, by looking up the table to achieve.
  • the orthogonal resource is a CS resource
  • the orthogonal resource information includes CS number information 11_5, according to the orthogonal resource information.
  • determining, by the first correspondence between the information of the first orthogonal resource, that the first orthogonal resource may be: determining that the CS number of the first orthogonal resource is: L n - CSxN - 1/N - 2 mod N - and determining a first orthogonal resource according to a CS number of the first orthogonal resource; and/or a second function according to the information between the orthogonal resource information and the second orthogonal resource
  • the determining, the determining, the second orthogonal resource may be: determining that the CS number of the second orthogonal resource is: n_CS mod N_2 and determining the second orthogonal resource according to the CS number of the second orthogonal resource.
  • N-1 is the total number of resources of the first orthogonal resource
  • the network device sends the orthogonal code resource information n-CS to the UE.
  • the UE After receiving the orthogonal code resource information n-CS, the UE determines the CS value of the SRS (the first type of RS) and the DM RS according to the n-CS (second CS value of class RS); range of values of CS values due to SRS and DM RS Different, so the CS value of the SRS can be determined according to L 3 ⁇ 4 - ⁇ x - U - ⁇ d - 1, and the CS value of the DM RS is determined according to n_ C Sm o dN -, where N_l is the number of available resources of the SRS (8) N 2 is the number of available resources of the DM RS (12).
  • the network device can allocate a CS value of 0 to UE1 and a CS value of 6 to UE2. Then UE1 can determine that UE1 sends SRS and BDM according to the above formula.
  • the CS values used by the RS are all 0, and UE2 can determine according to the above formula that the CS values used by UE2 to transmit SRS and DM RS are 4 and 6, respectively.
  • the SRS may be located in a time domain symbol numbered 13 in a Transmission Time Interval (TTI), and the UE determines the length N2 of the SRS sequence, and determines a base sequence of length N2 from the corresponding base sequence group of the cell. , it is cyclically shifted (hereinafter referred to as cyclic shift, the length after cyclic shift is still N2), the sequence is mapped to the corresponding comb, and then the inverse discrete Fourier transform is performed (Inverse Discrete Fourier) Transform, abbreviated as IDFT) transform (length is still N2), and finally generates a symbol SRS.
  • TTI Transmission Time Interval
  • the DM RS may be located in a time domain symbol numbered 3 and 10 in a TTI, the UE determines the length N1 of the DM RS sequence transmitted on each symbol, and determines a base sequence of length N1 from the corresponding base sequence group of the cell. , it is cyclically shifted (the length is still N1), and then IDFT transform (the length is still N1).
  • OCC information can also be included in the dynamic scheduling signaling
  • the UE also needs to load the OCC in the time domain for the two DM RSs, for example, the OCC includes [+1, +1] and [+1, -1].
  • the network device allocates an OCC of [+1, -1] to the UE, the UE multiplies the first DM RS in the TTI by +1, and the second DM RS by -1, and finally generates two. DM RS of symbols.
  • the resources used for transmitting the SRS and the DM RS can be determined in the above manner.
  • the foregoing SRS and DM RS are generated by way of example and are not used to limit the application.
  • Other SRS and DM RS generation modes may also be used in this embodiment, as long as the method requires orthogonal resources. information.
  • the embodiment of the present invention further provides another RS transmission method, which may be implemented by a network device (for example, a base station). 2 is a flowchart of another RS transmission method according to an embodiment of the present invention. As shown in FIG. 2, the method includes:
  • Step 201 Determine orthogonal resources corresponding to each type of RS in at least two types of RSs
  • Step 202 Send, to the UE, control signaling that includes orthogonal resource information, where the orthogonal resource information is used to determine the orthogonal resource corresponding to each type of RS of the at least two types of RSs;
  • Step 203 Use the determined orthogonal resource to transmit, by the UE, an RS corresponding to the determined orthogonal resource.
  • the first type of RS of the UE is transmitted using the first orthogonal resource determined according to the resource information
  • the second type of RS of the UE is transmitted by using the second orthogonal resource determined according to the orthogonal resource information.
  • the control signaling carrying the orthogonal resource information is sent to the UE, and the first orthogonal resource determined by using the orthogonal resource information is used to transmit the first type of RS, and the second positive determined by using the orthogonal resource information is used.
  • the resource is transmitted to the second type of RS. Therefore, in this embodiment, different signaling is not needed to determine orthogonal resources of different types of RSs, thereby saving overhead in notifying the RS configuration and improving system efficiency.
  • each of the at least two UEs determines orthogonal resources corresponding to each of the at least two types of RSs, and sends control signaling to the at least two UEs in the same TTI, where The orthogonal resource information carried by the control signaling of the UE is different from the orthogonal resource information carried by the control signaling sent to other UEs; and the RS corresponding to the orthogonal resource is transmitted by using the determined orthogonal resource and the corresponding UE.
  • the at least two UEs are the first UE and the second UE, send the control signaling carrying the first orthogonal resource information to the first UE in the same TTI, and send the second signaling to the second UE.
  • Control signaling of orthogonal resource information where the first orthogonal resource information and the second orthogonal resource information are different; and the first orthogonal resource that is determined according to the first orthogonal resource information is used to transmit the first UE a first type of RS, transmitting, by using a first orthogonal resource determined according to the second orthogonal resource information, a first type of RS of the second UE, using a second orthogonality determined according to the first orthogonal resource information Transmitting, by the resource, the second type of RS of the first UE, using the second orthogonal resource determined according to the second orthogonal resource information, to transmit the second type of RS of the second UE, for example, using according to the first orthogonal
  • the first orthogonal resource corresponding to the resource information receives the first
  • the determined second orthogonal resource sends a second type of RS to the first UE, and sends a second type of RS to the second UE by using the second orthogonal resource determined according to the second orthogonal resource information.
  • the orthogonal resource information sent to each UE is different, and therefore, each UE according to the orthogonal resource information
  • the determined first orthogonal resource and the second orthogonal resource are also different from those determined by other UEs.
  • different UEs use different resources to generate mutually orthogonal RSs, interference between RSs sent by each UE is avoided or Let the interference between them approach zero.
  • 3 is a method of determining orthogonal resources of a reference signal RS, in accordance with an embodiment of the present invention. As shown in FIG. 3, the method includes:
  • Step 301 The network device sends control signaling to the UE, where the control signaling includes orthogonal resource information.
  • the control signaling sent by the network device may be, for example, physical layer signaling (for example, dynamic scheduling signaling, a Physical Downlink Control Channel (PDCCH) for indicating uplink transmission in the LTE system), or High-level signaling (for example, RRC signaling), the implementation process of this embodiment is mainly described by taking the PDCCH as an example.
  • PDCCH Physical Downlink Control Channel
  • RRC signaling Radio Resource Control Channel
  • Step 302 The UE acquires orthogonal resource information from the control signaling.
  • the orthogonal resource information is a field of control signaling.
  • Step 303 The UE determines orthogonal resources of each type of RS in at least two types of RSs according to the orthogonal resource information.
  • RS The UE and the network device transmit, by using the determined orthogonal resource, an RS corresponding to the determined orthogonal resource.
  • the network device may send orthogonal resource information to the UE by using only one control signaling, and implement orthogonal resource information of at least two types of RSs to the UE, thereby reducing overhead and improving system efficiency.
  • the control resource carries orthogonal resource information, that is, the resource determined according to the resource information sent to each UE and the resource determined according to the resource information sent to other UEs are orthogonal, so that The less resources allocate orthogonal resources to different UEs, and reduce interference between RSs sent by each UE.
  • the at least two types of RSs are the first type of RSs and the second type of RSs
  • at least two types of RSs are the first type of RSs and the second type of RSs.
  • the UE determines, according to the orthogonal resource information, a first orthogonal resource used to send the first type of RS and a second orthogonal resource used to send the second type of RS; and the UE uses the first orthogonal resource to the network.
  • the device sends the first type of RS, and sends the second type of RS to the network device by using the second orthogonal resource.
  • the types of RSs used in the uplink direction include: SRS, DM RS, and/or RS for detecting interference or SINR use (ie, Interference Measurement Reference Signal (IRS or IMRS)).
  • SINR Interference Measurement Reference Signal
  • IMRS Interference Measurement Reference Signal
  • the SRS and the DM RS are included, and this embodiment also supports the IRS. With this embodiment, the signaling overhead required for such uplink RSs can be reduced.
  • the UE determines, according to the orthogonal resource information, a first orthogonal resource used to receive the first type of RS and a second orthogonal resource used to receive the second type of RS; and the UE uses the first orthogonal resource.
  • the RS for the downlink direction includes at least one of the following: CSI-RS, DM RS., and IRS.
  • the first type RS and the second type RS represent any two different types of RSs, whether in the uplink direction or the downlink direction.
  • the first type of RS and the second type of RS are different types of RSs with different uses.
  • the first type of RS is SRS for detecting wireless channels
  • the second type of RS is DM RS for demodulating PUSCH.
  • the orthogonal resource information used in this embodiment to determine orthogonal resources of the first type of RS and the second type of RS may be the same field.
  • the foregoing orthogonal resource includes at least one of the following: Cyclic Shift (referred to as CS) resource, orthogonal mask OCC, And comb teeth.
  • CS Cyclic Shift
  • OCC orthogonal mask
  • comb teeth Since the RS uses orthogonal resource information, the resources corresponding to each UE and the resources corresponding to other UEs are orthogonal, so that interference between RSs transmitted by each UE can be reduced.
  • the RS using the CS resource may be generated by cyclically shifting a base sequence of a certain length and performing mathematical transformation.
  • the length of the base sequence is the length of the RS. Therefore, in this embodiment, Cyclic shift is an orthogonal code resource (CS resource).
  • M is the length of the base sequence
  • n(l) is the CS offset configured by the base station for all UEs of the cell
  • n_PN is the CS change value as a function of time.
  • the UE may determine the first orthogonal resource corresponding to the first type of RS and the second orthogonal resource corresponding to the second type of RS by: the UE according to the first between the orthogonal resource information and the first orthogonal resource Corresponding relationship, determining a first orthogonal resource, and determining a second orthogonal resource according to the second correspondence between the orthogonal resource information and the second orthogonal resource.
  • the correspondence eg, the first correspondence and/or the second correspondence
  • the UE and the base station may also pre-store the correspondence between the orthogonal resource information and the orthogonal resources corresponding to the types of RSs, and the UE determines the orthogonal resources corresponding to the RSs according to the orthogonal resource information and the corresponding relationship.
  • the mapping between the orthogonal resource information and the first orthogonal resource and the second orthogonal resource is pre-stored in the UE and the base station, and the UE determines the first orthogonal resource and the first according to the orthogonal resource information and the corresponding relationship. Two orthogonal resources.
  • the UE can determine orthogonal resources of different types of RSs by only one signaling, thereby saving system orthogonal resources.
  • the first correspondence relationship and the second correspondence relationship are different.
  • the method of determining the orthogonal resources of the first type of RS according to the orthogonal resource information is different from the method of determining the orthogonal resources of the second type of RS.
  • the function that determines the first type of RS is different from the function that determines the orthogonal resource of the second type of RS.
  • the minimum bandwidth of the uplink SRS is 4 Physical Resource Blocks (PRBs), and the minimum bandwidth of the uplink DM RS is 1 PRB. Therefore, this embodiment is based on the same
  • the orthogonal resource information, the orthogonal resources of the first type RS and the second type RS are respectively determined by different methods, so that the determined orthogonal resources can be matched with the design of the first type RS and the second type RS, Greatly ensure the rational distribution of orthogonal resources.
  • the orthogonal resource is a CS resource
  • the orthogonal resource information includes CS number information n_CS
  • the UE determines that the CS number of the first orthogonal resource is: Ln_CS x N _l / N _ 2jmod N_1 ; determining a first orthogonal resource according to a cs number of the first orthogonal resource; and/or, the UE determines that the CS number of the second orthogonal resource is: n_eS m Q dW_ 2, according to the The CS number of the two orthogonal resources determines a second orthogonal resource, where N_l is the total number of resources of the first orthogonal resource, N-2 is the total number of resources of the second orthogonal resource, mod represents a modulo operation, and L" represents a Take the whole operation.
  • the SRS and the DM RS are generated in a similar manner, and are generated by cyclically shifting a base sequence of a certain length and performing IDFT.
  • the length of the base sequence is the length of the SRS and the DM RS.
  • the cyclic shift is an orthogonal code resource. If the network device allocates the same frequency band and different CS values for different UEs, the RSs sent by the two UEs are orthogonal, SP, and there is no interference or interference between them. Approaching to zero.
  • the network device sends the CS information n_CS_SRS of the SRS to the UE through RRC signaling, and the UE uses the n-CS_SRS as the orthogonal code resource of the SRS, where the value range of the n_CS_SRS
  • the network device sends 3 bits to the UE to transmit the CS value n_CS_DMRS in the dynamic scheduling signaling, and the UE determines the orthogonal code resource of the DM RS according to the n-CS-DMRS.
  • the value range of n-CS-DMRS is 0 ⁇ 11.
  • the network device sends orthogonal code resource information n_CS to the UE, and after receiving the orthogonal code resource information n-CS, the UE determines the CS value of the SRS and the CS value of the DM RS according to the n-CS; CS values of SRS and DM RS The value range is different.
  • the CS value of the SRS can be determined according to ⁇ - ⁇ ⁇ ⁇ - 1 / ⁇ - ⁇ m ⁇ W - 1, and the CS value of the DM RS is determined according to n - CS mDd N - 2 , where N-1 is the number of available resources of the SRS (8), and N-2 is the number of available resources of the DM RS (12).
  • the network device can allocate a resource with a CS value of 0 to the UE1, and allocate a CS value of 6 to the UE2.
  • UE1 can determine that the CS value used by UE1 to transmit SRS and DM RS is 0, and UE2 can determine according to the above formula that CS values used by UE2 to transmit SRS and DM RS are 4, 6 respectively.
  • the cyclic shift of SRS and DM RS has one characteristic: the larger the cyclic distance of CS value, the better the orthogonality, and the loop distance corresponds to the mod operation. For example, for SRS, between CS values of 0 and 1. The cyclic distance is the same as the cyclic distance between 0 and 7. Therefore, the SRS and DM RS resources determined by the above function can ensure that both SRS and DM RS have good orthogonality.
  • the present embodiment can ensure good orthogonality between SRSs of different UEs and DM RSs of different UEs, and can ensure that interference between RSs transmitted by different UEs is the same for both types of RSs.
  • the network device can acquire channel information by measuring the SRS.
  • the first type of RS and the second type of RS are respectively SRS and DM RS. Since the design of the IRS and the SRS is similar, the first type of RS and the second type of RS are respectively IRS and DM.
  • the embodiment of the RS based on the same principle, can also ensure that the interference between the RSs transmitted by different UEs is the same for the two types of RSs, so that the network device can obtain interference or SINR by measuring the IRS. .
  • the above functional relationship may be simply modified.
  • the CS number of the first orthogonal resource may be added to the above function, and the CS number of the second orthogonal resource may be similarly modified.
  • the first type of RS may be a sounding reference signal SRS
  • the second type of RS may be a demodulation reference signal DM RS.
  • the first type of RS is an SRS
  • the second type of RS is a DM RS, which saves signaling overhead of notifying the UE of the SRS resource, that is, the network device does not need to send RRC signaling to the UE to notify Resource information of SRS.
  • the semi-static signaling includes broadcast signaling or RRC signaling, that is, after the network device sends the broadcast signaling or RRC signaling to the UE, the UE always uses the broadcast until the next time the new broadcast signaling or RRC signaling is sent. Configuration of signaling or RRC signaling.
  • the present invention can also transmit orthogonal resource information to the UE through semi-static signaling.
  • the network device sends a PDCCH to the UE, where the OCC information is included to indicate that the UE allocates the OCC allocated by the DM RS.
  • the UE determines the first orthogonal resource for the first type of RS according to one orthogonal resource information sent by the network device, and determines the second orthogonal resource for the second type of RS, thereby receiving the first orthogonal resource.
  • a type of RS receives a second type of RS by using a second orthogonal resource, for example, the control signaling is control signaling for downlink scheduling, and the orthogonal resource is OCC.
  • the UE determines that the number of the first orthogonal resource OCC is: Ln_ OCC x N _l/ N _ 2jmod N _1
  • the UE determines that the number of the second orthogonal resource 0CC is: N_ OCC mod N _ 2 ; where N 1 is the total number of resources of the first orthogonal resource, N-2 is the total number of resources of the second orthogonal resource, mod represents a modulo operation, and L ” represents a rounding operation.
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS.
  • the first type of RS is an IRS
  • the second type of RS is a DM RS.
  • the first type RS and the second type RS use at least one of the same base sequence, base sequence group, sequence hopping rule, sequence group hopping rule, and CS hopping rule.
  • the IRS and the DM RS use the same base sequence, base sequence group, sequence hopping rule, sequence group hopping rule, or CS hopping rule
  • IRS and DM RS use the same base sequence, base sequence group, sequence hopping rule, or sequence group hopping rule.
  • the network device can also enable the sequence hopping function or the sequence group hopping function by sending signaling to the UE, so that the DM RSs sent by the UE at different times use different base sequences or different base sequence groups, which can further
  • the interference between the RSs between the cells is randomized (the RSs sent by the UE are interfered by the RSs of different base sequences or base sequence groups at different times, so the interference is not always strong or always weak, and the interference is guaranteed.
  • the average level in time The principle of CS hopping is similar to the principle of sequence group hopping. That is, the DM RS transmitted by the UE at different times uses different CSs, and the benefits of interference randomization can also be achieved.
  • the IRS and the DM RS can be used to use the same base sequence, base sequence group, sequence hopping rule, sequence group hopping rule or CS hopping rule, so that if the IRS is sent before the DM RS, and the IRS By occupying the same frequency band as the DM RS, the result obtained by the network device based on the IRS estimation interference is similar to the interference actually received by the DM RS, and the interference can be estimated more accurately.
  • the first orthogonal resource is a comb
  • the second orthogonal resource is an OCC
  • the UE determines the comb according to the first correspondence between the orthogonal resource information and the comb
  • the orthogonal resource determines the occ.
  • the second type of RS can be a DM RS
  • the first type of RS can be an SRS or an IRS.
  • the network device may notify the UE of the OCC information, and after receiving the l"OCC information, the UE loads the OCC for the DM RS; however, since the SRS or the IRS usually has only one RS symbol in the time domain, therefore, You cannot use the same method to load OCC in the time domain.
  • the network device may send orthogonal resource information to the UE, and the UE may determine the comb of the SRS or the IRS according to the orthogonal resource information, and determine the OCC of the DM RS according to the orthogonal resource information.
  • the network device sends different orthogonal resource information to different UEs, these different UEs use different OCCs to ensure orthogonality of the DM RS, and for SRS or IRS, different combs are used to ensure orthogonality. .
  • the network device sends the first orthogonal resource information to the UE1, and sends the second orthogonal resource information to the UE2, where the first orthogonal information may indicate that the UE1 uses the odd comb and the OCC[+l, +l],
  • the first orthogonal information may indicate that UE2 uses even combs and OCC[+l, -l], then UE1 and UE2 use OCC[+l, +l] and OCC[+l, -l] respectively to generate DM RS,
  • the SRS is generated by using the comb comb and the even comb, respectively, so that the two types of RSs sent by different UEs are orthogonal.
  • the correspondence between the different OCCs and the combs may be preset on the UE and the network device side, or may be sent by the network device to the UE to notify that the signaling may be broadcast signaling or RRC signaling. In this way, only through the OCC information, the UE can know the OCC and the comb to determine the resources corresponding to different RSs.
  • the comb teeth include at least one of the following: odd comb teeth, even comb teeth, odd comb teeth, and even comb teeth.
  • SRS and IRS are used differently and may need to be sent by the UE. If the UE uses all the combs to send the SRS, there is no comb resource for the IRS, and vice versa. Therefore, the UE can be assigned a first comb for transmitting the SRS and a second comb for transmitting the IRS.
  • the IRS remains orthogonal, allowing different OCCs of the DM RS to correspond to different sub-combs.
  • an odd comb is used to transmit an IRS (ie, the UE transmits an IRS using subcarriers numbered 1, 3, 5, 7)
  • the shell IjUE1 and UE2 uses OCC[+l, +l] and OCC[+l, -l] respectively to generate DM RS, and uses two sub-combs of odd combs to transmit IRS, namely, using numbers 1, 5, and 9, respectively.
  • the subcarriers of ... and the subcarriers numbered 3, 7, 11, ... are used to transmit the IRS, which ensures that: When the IRS occupies only one comb, the IRS transmitted by different UEs remains orthogonal.
  • the control signaling further includes a layer number indication, configured to indicate that the UE transmits in the n-layer layer; the UE determines, according to the orthogonal resource information and the number of each layer, a positive corresponding to each antenna port of the n-layer antenna ports.
  • the resource information is obtained, and the first orthogonal resource corresponding to the first type of RS transmitted by each antenna port is determined according to the orthogonal resource information corresponding to each antenna port, and each antenna port is determined according to the orthogonal resource information corresponding to each antenna port.
  • the second type of RS corresponding to the transmission And transmitting, by using the determined first orthogonal resource, the corresponding first type of RS by using the corresponding n-layer antenna port, and transmitting, by using the determined second orthogonal resource, by the corresponding n-layer antenna port Corresponding second class RS.
  • This embodiment can be applied to an uplink or downlink MIMO scenario.
  • the above MIMO is taken as an example for description.
  • the network device may send control signaling to the UE, instructing the UE transmits n_lay er layer data, which can increase efficiency using spatial characteristics.
  • the scenario is extended to a multi-layer transmission. For example, if the network device instructs the UE to send Layer 2 data, the UE determines the SRS of the two antenna ports and the CS value of the DM RS according to the orthogonal resource information, and sends the CS value to the network device.
  • the method for determining the CS value is not limited.
  • the downlink MIMO can be used in the same manner and will not be described here.
  • the first time period in which the UE sends the first type of RS and the second time period in which the UE sends the second type of RS belong to different transmission time intervals TTI.
  • the first time period and the second time period are generally preset on the UE and the network device side.
  • the network device sends control signaling to the UE in the TTI numbered n, and the UE sends the first type of RS on the TTI numbered n+nl.
  • the second type of RS is transmitted on the TTI numbered n+n2, and nl and n2 are fixed values.
  • the first time period is the last symbol of the TTI numbered n+1
  • the second time period is two symbols of the TTI numbered 3 and 10 of the number n+4, which is convenient for the UE to utilize after the arrival of the first time period.
  • the interval between the first time period and the second time period first processes the first type of RS, and processes the second type of RS after the second time period arrives, which can facilitate the UE to implement; and, if the first type of RS can help adjust the PUSCH
  • the scheduling (the PUSCH and the DM RS are sent in the same TTI), the first time period and the second time period belong to different TTIs, that is, the first type RS and the second type RS are respectively sent in different ports, which is beneficial to the network device.
  • the scheduling of the PUSCH is adjusted according to the measurement result of the first type of RS, so that the scheduling of the PUSCH and the change of the channel environment are more matched.
  • the downlink transmission is similar and will not be described here.
  • the orthogonal resource information includes at least one of the following: code orthogonal resource information and comb resource information.
  • code orthogonal resource information For convenience, the relationship between the time when the network device sends the control signaling and the time when the UE sends the RS is fixed.
  • the network device sends control signaling at the TTI numbered n, and the UE
  • the DM RS is transmitted in the TTI numbered n+4, and therefore, the orthogonal resource information in this embodiment does not include time resource information, and this embodiment has an advantage that it is easy to implement.
  • the network device sends control signaling to the UE in the TTI numbered n, and the UE can send the PUSCH including the DM RS in the TTI numbered n+4.
  • the SRS is used to send the SRS
  • the control signaling may include: a code orthogonal resource, where the UE sends the SRS and the DM according to the control signaling by using the corresponding code resource.
  • the code includes an orthogonal code.
  • the code resource may be a CS resource.
  • the network device sends control signaling to the at least two UEs in the same TTI, where the orthogonal resource information that is sent to the control signaling of each of the at least two UEs is sent to the at least two UEs.
  • the orthogonal resource information carried by the control signaling of the UE is different; the network device uses the first orthogonal resource determined according to the orthogonal resource information sent to each UE to transmit the first type of RS corresponding to the determined first orthogonal resource, The second type of RS corresponding to the determined second orthogonal resource is transmitted using the second orthogonal resource determined according to the orthogonal resource information transmitted to each UE.
  • the network device sends the control signaling carrying the first orthogonal resource information to the first UE in the same TTI, and sends the second positive
  • the control signaling of the resource information, the first orthogonal resource information and the second orthogonal resource information are different; the network device receives the first type of RS from the first UE by using the first orthogonal resource determined according to the first orthogonal resource information. And receiving, by using the first orthogonal resource determined according to the second orthogonal resource information, the first type of RS from the second UE, and receiving, by using the second orthogonal resource determined according to the first orthogonal resource information, the second from the first UE.
  • a class RS receiving, by using a second orthogonal resource determined according to the second orthogonal resource information, a second type of RS from the second UE; or, the network device uses the first orthogonal resource determined according to the first orthogonal resource information Transmitting, by the UE, the first type of RS, using the first orthogonal resource determined according to the second orthogonal resource information, to send the first type of RS to the second UE, and using the second orthogonal resource determined according to the first orthogonal resource information
  • the UE sends a second type of RS, and sends a second type of RS to the second UE by using the second orthogonal resource determined according to the second orthogonal resource information.
  • FIG. 4 is a structural block diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment includes: a transmitting unit 42 and a determining unit 44, where the transmitting unit 42 is configured to receive a control signal from the network device.
  • the control signaling includes orthogonal resource information; the determining unit 44 is coupled to the transmitting unit 42, and configured to determine, according to the orthogonal resource information, orthogonal resources corresponding to each of the at least two types of RSs; the transmitting unit 42 Also used to transmit an RS corresponding to the determined orthogonal resource using the determined orthogonal resource.
  • the determining unit 44 is configured to determine, according to the orthogonal resource information, the first orthogonal resource corresponding to the first type of RS and the first The second orthogonal resource corresponding to the second type of RS; the transmitting unit 42 is configured to transmit the first type of RS by using the first orthogonal resource, and transmit the second type of RS by using the second orthogonal resource.
  • FIG. 5 is a block diagram of a preferred structure of a user equipment according to an embodiment of the present invention.
  • the determining unit 44 includes: a first determining module 442, connected to the transmitting unit 42, and configured to perform orthogonal information according to orthogonal resources. Determining, by the first correspondence between the resources, the first orthogonal resource; the second determining module 444 is connected to the transmitting unit 42, configured to determine, according to the second correspondence between the orthogonal resource information and the second orthogonal resource, Second orthogonal resource.
  • the foregoing orthogonal resource includes at least one of the following: a cyclic shift CS resource, an orthogonal mask OCC, and a comb.
  • the first correspondence relationship and the second correspondence relationship are different.
  • control signaling is control signaling used for uplink scheduling
  • orthogonal resource is a CS resource
  • orthogonal resource information includes CS number information n-CS
  • the first determination module 442 is used to determine the CS number of the first positive resource:
  • the second determining module 444 is configured to determine that the CS number of the second orthogonal resource is: n_eS mod ⁇ _2, and determine the second orthogonal resource according to the CS number of the second orthogonal resource,
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • control signaling is control signaling used for downlink scheduling
  • orthogonal resource is OCC
  • orthogonal resource information includes OCC number information n-OCC
  • the first determining module 442 is configured to determine an orthogonal mask of the first orthogonal resource.
  • the OCC number is:
  • the second determining module 444 is configured to determine that the OCC number of the second orthogonal resource is: n_Oeemodr«J-2, and determine the second orthogonal resource according to the OCC number of the second orthogonal resource,
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS
  • the first orthogonal resource is a comb
  • the second orthogonal resource is 0CC.
  • the first determining module 442 is configured to determine the comb according to the first correspondence between the orthogonal resource information and the comb tooth;
  • the OCC is determined according to the orthogonal resource information and the second correspondence of the 0CC.
  • the first type of RS is an interference measurement reference signal IRS
  • the second type of RS is a DM RS
  • the IRS is an RS for detecting interference or signal to interference and noise ratio SINR.
  • the IRS and the DM RS use at least one of the same base sequence, base sequence group, sequence hopping rule, sequence group hopping rule, and CS hopping rule.
  • the comb teeth comprise at least one of the following: a comb comb, an even comb, a comb comb sub comb and an even comb comb comb.
  • the control signaling further includes a layer number indication for indicating transmission by the n-layer layer;
  • the determining unit 44 is configured to determine, according to the orthogonal resource information and the number of each layer, each antenna port corresponding to each of the antenna ports Orthogonal resource information, determining, according to orthogonal resource information corresponding to each antenna port, a first orthogonal resource corresponding to the first type of RS transmitted by each antenna port, and determining each according to orthogonal resource information corresponding to each antenna port
  • the transmitting unit 42 is configured to transmit, by using the determined first orthogonal resource, the corresponding first type of RS through the corresponding n-layer antenna port, using the determined first
  • the two orthogonal resources transmit the corresponding second type RS through the corresponding n-layer antenna ports.
  • the transmitting unit 42 is configured to transmit the first type of RS by using the first orthogonal resource in the first time period, and transmit the second type of RS by using the second orthogonal resource in the second time period, where the first time period and the second time period are
  • the present invention also provides a network device, which is used to implement the foregoing method embodiments. Therefore, the description in the foregoing embodiment is also applicable to the network device in this embodiment. I won't go into details here.
  • FIG. 6 is a structural block diagram of a network device according to an embodiment of the present invention. As shown in FIG. 6, the network device includes: a determining unit 62 and a transmitting unit 64, where the determining unit 62 is configured to determine and at least two types of RSs.
  • Each type of RS corresponds to an orthogonal resource; the transmitting unit 64 is connected to the determining unit 62, configured to send control signaling including orthogonal resource information to the UE, and use the orthogonal resource determined by the determining unit 62 to transmit and determine with the UE.
  • the orthogonal resource corresponding to the RS, the orthogonal resource information is used to determine orthogonal resources corresponding to each of the at least two types of RSs.
  • At least two types of RSs include a first type of RS and a second type of RS; and the transmitting unit 64 is configured to transmit, by using the first orthogonal resource determined according to the orthogonal resource information, the first type of RS, using the determined according to the orthogonal resource information.
  • the second orthogonal resource transmits the second type of RS.
  • a first correspondence relationship exists between the orthogonal resource information and the first orthogonal resource
  • a second correspondence relationship exists between the orthogonal resource information and the second orthogonal resource.
  • the orthogonal resource includes at least one of the following: a cyclic shift CS resource, an orthogonal mask occ, and a comb.
  • the first correspondence relationship and the second correspondence relationship are different.
  • control signaling is control signaling used for uplink scheduling
  • orthogonal resource is a CS resource
  • orthogonal resource information includes CS number information n-CS
  • n_CS_1 is the cyclic shift CS number of the first orthogonal resource
  • n_CS-1 is the cyclic shift CS number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 Is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation.
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • control signaling is control signaling used for downlink scheduling
  • orthogonal resource is OCC
  • orthogonal resource information includes OCC number information n-OCC
  • n_OCC_1 is the OCC number of the first orthogonal resource
  • n_OCC-2 is the OCC number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N-2 is the resource of the second orthogonal resource
  • mod represents the modulo operation
  • L" represents the rounding operation.
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS.
  • the first orthogonal resource is a comb and the second orthogonal resource is 0CC; there is a correspondence between the orthogonal resource information and the comb, and there is a correspondence between the orthogonal resource information and the 0CC.
  • the first type of RS is an interference measurement reference signal IRS
  • the second type of RS is a DM RS
  • the IRS is an RS for detecting interference or signal to interference and noise ratio SINR.
  • the IRS and DM RS use the same base sequence, base sequence group, sequence hopping rule, sequence group hopping rule, or CS hopping rule.
  • the comb teeth comprise at least one of: odd comb teeth, even comb teeth, odd comb comb sub comb teeth and even comb comb sub comb teeth.
  • control signaling further includes a layer indication for indicating that the UE transmits by using the n-layer layer; the orthogonal resource letter The information is used to determine orthogonal resource information corresponding to each antenna port of the n-layer antenna ports according to the orthogonal resource information and the number of each layer, and the orthogonal resource information corresponding to each antenna port is used to determine the antenna port for transmission.
  • the determining unit is configured to determine that each of the n-layer antenna ports is used to transmit the first type of RS a first orthogonal resource and a second orthogonal resource for transmitting the second type of RS; the transmitting unit is configured to use the first orthogonal resource transmission corresponding to the antenna port on each of the n-layer antenna ports
  • the first type of RS transmits a second type of RS using a second orthogonal resource corresponding to the antenna port.
  • the transmitting unit 64 is configured to transmit the first type of RS by using the first orthogonal resource in the first time period, and transmit the second type of RS by using the second orthogonal resource in the second time period, where the first time period and the second time period belong to Different transmission time interval TTL
  • the determining unit 62 is configured to determine, for each of the at least two UEs, orthogonal resources corresponding to each of the at least two types of RSs; the transmitting unit 64 is configured to use at least the same transmission time interval TTI Two UEs transmit control signaling including orthogonal resource information, where orthogonal resource information transmitted to different UEs is different; and the transmitting unit 66 is configured to transmit the RS corresponding to the orthogonal resource by using the determined orthogonal resource and the corresponding UE.
  • the embodiment of the present invention further provides a user equipment, which is used to implement the foregoing method embodiments. Therefore, the description in the foregoing embodiment is also applicable to the user equipment in this embodiment, and details are not described herein again.
  • the user equipment includes: a transceiver 72 for transmitting and receiving signals; and a processor 74, configured to: control the transceiver 72 to receive Control signaling from the network device, wherein the control signaling includes orthogonal resource information; determining orthogonal resources corresponding to each of the at least two types of RSs according to the orthogonal resource information; and controlling the transceiver 72 to use the determined positive
  • the AC resource transmits an RS corresponding to the determined orthogonal resource.
  • the processor determines, according to the orthogonal resource information, the orthogonal resource corresponding to each of the at least two types of RSs by: determining, according to the orthogonal resource information, the first orthogonal resource corresponding to the first type of RS a second orthogonal resource corresponding to the second type of RS; the processor implements, by using the following method, the control transceiver to transmit the RS corresponding to the determined orthogonal resource by using the determined orthogonal resource: the control transceiver transmits the first using the first orthogonal resource.
  • the class RS uses a second orthogonal resource to transmit the second type of RS.
  • the processor is configured to determine, according to the orthogonal resource information, the first orthogonal resource corresponding to the first type of RS and the second orthogonal resource corresponding to the second type of RS: according to the orthogonal resource information and the first orthogonal Determining, by the first correspondence between the resources, the first orthogonal resource; determining the second orthogonal resource according to the second correspondence between the orthogonal resource information and the second orthogonal resource.
  • the orthogonal resource comprises at least one of the following: a cyclic shift CS resource, an orthogonal mask occ, and a comb.
  • the first correspondence relationship and the second correspondence relationship are different.
  • control signaling is control signaling used for uplink scheduling
  • orthogonal resource is a CS resource
  • orthogonal resource information includes CS number information n-CS
  • the processor determines, according to the first correspondence between the orthogonal resource information and the first orthogonal resource, the first orthogonal resource by: determining that the CS number of the first orthogonal resource is: L n — CS x N— 1/ N — 2” mod N — 1, determining the first orthogonal resource according to the CS number of the first orthogonal resource; and/or
  • the processor determines, according to the second correspondence between the orthogonal resource information and the second orthogonal resource, the second orthogonal resource by: determining that the CS number of the second orthogonal resource is: n—CS mod N— 2 Determining, according to the CS number of the second orthogonal resource, the second orthogonal resource,
  • N-1 is the total number of resources of the first orthogonal resource
  • N-2 is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • control signaling is control signaling used for downlink scheduling
  • orthogonal resource is OCC
  • orthogonal resource information includes OCC number information n-OCC
  • the processor determines, according to the first correspondence between the orthogonal resource information and the information of the first orthogonal resource, the first orthogonal resource by: determining that the orthogonal mask OCC number of the first orthogonal resource is: L « _ OCCx N_l / N_ 2jmodN_l determines the first orthogonal resource according to the OCC number of the first orthogonal resource; and/or
  • the processor determines, according to the second correspondence between the orthogonal resource information and the information of the second orthogonal resource, the second orthogonal resource by: determining that the OCC number of the second orthogonal resource is: n_(X mad M - 2, determining a second orthogonal resource according to an OCC number of the second orthogonal resource,
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS.
  • the first orthogonal resource is a comb tooth
  • the second orthogonal resource is an OCC
  • the processor determines, according to the first correspondence between the orthogonal resource information and the first orthogonal resource, the first orthogonal resource by:
  • the processor determines, according to the second correspondence between the orthogonal resource information and the second orthogonal resource, the second orthogonal resource by:
  • the occ is determined according to the orthogonal resource information and the second correspondence relationship of the OCC.
  • the first type of RS is an interference measurement reference signal IRS
  • the second type of RS is a DM RS
  • the IRS is an RS for detecting interference or signal to interference and noise ratio SINR.
  • the IRS and the DM RS use at least one of the same base sequence, base sequence group, sequence hopping rule, sequence group hopping rule, and CS hopping rule.
  • the comb teeth comprise at least one of the following: a comb comb, an even comb, a comb comb sub comb and an even comb comb comb.
  • control signaling further includes a layer indication for indicating transmission by the n-layer layer;
  • the processor determines, according to the orthogonal resource information, the first orthogonal resource corresponding to the first type of RS and the second orthogonal resource corresponding to the second type of RS according to the orthogonal resource information:
  • the processor implements the control transceiver to transmit the first type of RS using the first orthogonal resource and the second type of RS by using the second orthogonal resource: the control transceiver uses the determined first orthogonal resource to pass the corresponding n-layer
  • the antenna ports transmit the corresponding first type of RSs, and use the determined second orthogonal resources to transmit the corresponding second type of RSs through the corresponding n-layer antenna ports.
  • the processor implements the control transceiver to transmit the first type of RS by using the first orthogonal resource and the second type of RS by using the second orthogonal resource by: controlling the transceiver to use the first orthogonal resource in the first time period. Transmitting the first type of RS, and transmitting the second type of RS by using the second orthogonal resource in the second time period, where the first time period and the second time period belong to different transmission time intervals TTI.
  • the embodiment of the present invention further provides a network device, which is used to implement the foregoing method embodiments. Therefore, the description in the foregoing embodiment is also applicable to the network device in this embodiment, and details are not described herein again.
  • the network device includes: a transceiver 82 for transmitting and receiving signals; and a processor 84 connected to the transceiver 82 for Determining orthogonal resources corresponding to each of the at least two types of RSs; controlling the transceiver to send control signaling including orthogonal resource information to the user equipment UE, orthogonally
  • the source information is used to determine an orthogonal resource corresponding to each of the at least two types of RSs; the control transceiver transmits the RS corresponding to the determined orthogonal resource with the UE using the determined orthogonal resource.
  • the at least two types of RSs include the first type of RSs and the second type of RSs; the processor implements, by the following method, the control transceiver to transmit the RSs corresponding to the determined orthogonal resources using the determined orthogonal resources: controlling the transceiver usage according to the The first orthogonal resource determined by the cross resource information transmits the first type of RS, and the second type of RS is transmitted by using the second orthogonal resource determined according to the orthogonal resource information.
  • a first correspondence relationship exists between the orthogonal resource information and the first orthogonal resource; and a second correspondence relationship exists between the orthogonal resource information and the second orthogonal resource.
  • the orthogonal resource comprises at least one of the following: a cyclic shift CS resource, an orthogonal mask OCC, and a comb.
  • the first correspondence relationship and the second correspondence relationship are different.
  • control signaling is control signaling used for uplink scheduling
  • orthogonal resource is a CS resource
  • orthogonal resource information includes CS number information n-CS
  • n_CS_1 is the cyclic shift CS number of the first orthogonal resource
  • n_CS-1 is the cyclic shift CS number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N_2 Is the total number of resources of the second orthogonal resource
  • mod represents the modulo operation
  • L represents the rounding operation.
  • the first type of RS is a sounding reference signal SRS
  • the second type of RS is a demodulation reference signal DM RS.
  • control signaling is control signaling used for downlink scheduling
  • orthogonal resource is OCC
  • orthogonal resource information includes OCC number information n-OCC
  • n_OCC_1 is the OCC number of the first orthogonal resource
  • n_OCC-2 is the OCC number of the second orthogonal resource
  • N-1 is the total number of resources of the first orthogonal resource
  • N-2 is the resource of the second orthogonal resource
  • mod represents the modulo operation
  • L" represents the rounding operation.
  • the first type of RS is a channel state information reference signal CSI-RS
  • the second type of RS is a DM RS.
  • the first orthogonal resource is a comb and the second orthogonal resource is an OCC; there is a correspondence between the orthogonal resource information and the comb, and there is a correspondence between the orthogonal resource information and the OCC.
  • the first type of RS is an interference measurement reference signal IRS
  • the second type of RS is a DM RS
  • the IRS is used for detection.
  • the IRS and DM RS use the same base sequence, base sequence group, sequence hopping rule, sequence group hopping rule, or CS hopping rule.
  • the comb teeth comprise at least one of: odd comb teeth, even comb teeth, odd comb tooth sub comb teeth and even comb tooth sub comb teeth.
  • control signaling further includes a layer indication for indicating that the UE transmits in the n-layer layer; the orthogonal resource information is used to determine each of the n-layer antenna ports according to the orthogonal resource information and the number of each layer. Orthogonal resource information corresponding to each antenna port, the orthogonal resource information corresponding to each antenna port is used to determine that the antenna port is used to transmit the first orthogonal resource corresponding to the first type of RS and the second corresponding to the second type of RS Orthogonal resource
  • the processor determines to determine orthogonal resources corresponding to each of the at least two types of RSs by: determining that each of the n-layer antenna ports is used to transmit the first orthogonal resource of the first type of RS and a second orthogonal resource for transmitting the second type of RS;
  • the processor implements the control by the transceiver to transmit the RS corresponding to the determined orthogonal resource using the determined orthogonal resource and the UE:
  • Controlling by the transceiver, transmitting a first type of RS on each of the n-layer antenna ports, using a first orthogonal resource corresponding to the antenna port, and transmitting a second type using a second orthogonal resource corresponding to the uplink port RS.
  • the processor implements, by using the following manner, the control transceiver to transmit the RS corresponding to the determined orthogonal resource by using the determined orthogonal resource: the control transceiver transmits the first type of RS by using the first orthogonal resource in the first time period, where The second period uses the second orthogonal resource to transmit the second type of RS, wherein the first period and the second period belong to different transmission time intervals TTI.
  • the processor determines to determine orthogonal resources corresponding to each of the at least two types of RSs by: determining, for each of the at least two UEs, corresponding to each of the at least two types of RSs Orthogonal resource; the processor controls the transceiver to send control signaling including orthogonal resource information to the UE by: transmitting control signaling including orthogonal resource information to the at least two UEs in the same transmission time interval, where The orthogonal resource information sent to different UEs is different; the processor implements the following manner to control the transceiver to use the determined orthogonal resource to transmit the RS corresponding to the determined orthogonal resource with the UE: controlling the transceiver to use the determined orthogonal resource and The corresponding UE transmits an RS corresponding to the orthogonal resource.
  • the processor in the foregoing embodiment of the present invention may be a baseband processor, or an integrated circuit chip, which has signal processing capability, and may also be a central processing unit (CPU). Hardware processor.
  • each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. These instructions can be implemented and controlled by the processor in them.
  • the foregoing processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), and a field. Programmable Gate Array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor, decoder or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically rewritable programmable memory, registers, and the like.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • the computer readable medium may include a random access memory (RAM), read-only memory (ROM), and an electrically erasable programmable read only memory.
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory
  • Any connection may suitably be a computer readable medium.
  • the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave.
  • DSL Digital Subscriber Line
  • a disk and a disc include a compact disc (Compact Disc, CD for short), a laser disc, a compact disc, a digital Versatile Disk (DVD), a floppy disk, and a Blu-ray disc. Where the disc is usually magnetically replicated, while the disc uses a laser to optically replicate the data.
  • the above combination should also be included in The scope of protection of the computer readable medium is within the scope of protection.

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Abstract

La présente invention concerne un procédé de transmission de signal de référence (RS), un équipement d'utilisateur et un appareil de réseau. Ledit procédé consiste à : recevoir la signalisation de commande qui contient des informations de ressource orthogonale de l'appareil de réseau ; déterminer la ressource orthogonale correspondant à chaque type de signal RS dans au moins deux types de signaux RS selon les informations de ressource orthogonale ; et transmettre le signal RS correspondant à la ressource orthogonale déterminée à l'aide de la ressource orthogonale déterminée. La présente invention permet d'éviter le surdébit lorsque la configuration du signal RS est signalée et d'améliorer l'efficacité du système.
PCT/CN2012/084749 2012-11-16 2012-11-16 Procédé de transmission de signal de référence (rs), équipement d'utilisateur et appareil de réseau WO2014075294A1 (fr)

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PCT/CN2012/084749 WO2014075294A1 (fr) 2012-11-16 2012-11-16 Procédé de transmission de signal de référence (rs), équipement d'utilisateur et appareil de réseau

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CN112929100B (zh) * 2019-12-05 2022-12-06 维沃移动通信有限公司 参考信号的发送方法、发射机及计算机可读存储介质
CN115208445B (zh) * 2022-07-14 2024-08-27 东南大学 一种智能反射面辅助通信系统下行用户调度与传输方法

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