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WO2018049565A1 - Procédé d'envoi de données, procédé de réception de données, et appareil - Google Patents

Procédé d'envoi de données, procédé de réception de données, et appareil Download PDF

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Publication number
WO2018049565A1
WO2018049565A1 PCT/CN2016/098879 CN2016098879W WO2018049565A1 WO 2018049565 A1 WO2018049565 A1 WO 2018049565A1 CN 2016098879 W CN2016098879 W CN 2016098879W WO 2018049565 A1 WO2018049565 A1 WO 2018049565A1
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WIPO (PCT)
Prior art keywords
control information
transmission
indication
user equipment
time
Prior art date
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Ceased
Application number
PCT/CN2016/098879
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English (en)
Chinese (zh)
Inventor
刘建琴
贺传峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2016/098879 priority Critical patent/WO2018049565A1/fr
Publication of WO2018049565A1 publication Critical patent/WO2018049565A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present application relates to the field of mobile communications, and in particular, to a data transmitting method, a data receiving method, and an apparatus.
  • each transmission subband In a frequency division multiplexing scenario, the system bandwidth of each cell is divided into multiple transmission subbands, and each transmission subband can perform data transmission independently. Since the location of the user equipment in a cell is not fixed, in order to meet the requirements of data transmission, the number of transmission subbands in each cell needs to be half as the user equipment moves and switches in the cell. Static or dynamic adjustment.
  • each transmission subband is associated with an analog beam during data transmission
  • the number of analog beams and the transmission subband associated with each analog beam occur when the number of transmission subbands in the cell changes semi-statically or dynamically. It will also change. For example, as shown in FIG. 1 , the number of analog beams in a cell may change semi-statically with the user's movement.
  • the number of analog beams that can be supported in the cell at time 1 is 4, and the four analog beams B1, B2, B3, and B4.
  • Each of the transmission subbands is associated with a system bandwidth of 1/4 each; and the number of analog beams that can be supported in the cell at time 2 becomes 3, and each of the three analog beams B1, B2, and B3 The analog beams are each associated with one transmission sub-band, each of which has a system bandwidth of 1/3; and the number of analog beams that can be supported in the cell at time 3 becomes 2, and each of the two analog beams B2 and B3 The analog beams are each associated with one transmission sub-band, each of which has a system bandwidth of 1/2.
  • each analog beam corresponds to a piece of control information to be transmitted during the control information transmission process. If the number of analog beams or the transmission subband associated with the analog beam changes, it will result in a change in the frequency domain resource used by the cell to transmit control information. Therefore, in the frequency division multiplexing scenario, if the number of analog beams or the transmission subband associated with the analog beam changes, the user equipment needs to first determine the frequency domain location for transmitting the control information, so as to complete the data transmission of the control information. .
  • the embodiment of the present application provides a data sending method, a data receiving method, and a device, which can enable a user equipment to determine a time-frequency domain location of control information transmission when an analog beam changes.
  • an embodiment of the present application provides a data sending method, where the method includes: a data transmission time unit, the base station transmitting N pieces of control information indication, wherein the control information indicates a number M of the control information and a time-frequency resource used for transmitting each of the control information, and M and N are positive An integer, and 1 ⁇ M ⁇ N; the base station uses the time-frequency resource to separately transmit the corresponding control information.
  • the N pieces of control information can be used to indicate the number of copies of the control information and the time-frequency resources occupied by each piece of control information, so that the receiving end can determine the share of the control information according to the indication indicated by the control information.
  • the number and time-frequency resources occupied by each control information can be used to indicate the number of copies of the control information and the time-frequency resources occupied by each piece of control information, so that the receiving end can determine the share of the control information according to the indication indicated by the control information.
  • N ⁇ T, wherein T is the maximum number of transmit subbands available for transmitting the control information indication.
  • the maximum number of the transmission subbands is the same as the maximum number of analog beams supported by the base station.
  • the data transmission capability of the system bandwidth can be fully utilized.
  • each of the control information occupies at least one of the T transmission subbands.
  • control information transmission can be performed by scanning only one transmission sub-band at a time, so that the transmission mode of the control information can be flexible.
  • control information indication is further used to indicate that each of the transmissions is The number of transmission subbands occupied by the control information, and the information of the transmission subbands occupied by each piece of control information.
  • the indication capability indicated by the control information can be fully utilized, so that the user equipment can more easily determine the transmission subband occupied by each piece of control information.
  • control information indication is further used to indicate each of the The data transmission time unit occupied by the control information.
  • the indication capability indicated by the control information can be fully utilized, so that the user equipment can more easily determine the time domain resource occupied by each piece of control information.
  • the base station uses the time-frequency occupied by each of the control information
  • the transmitting, by the resource, each piece of the control information includes: in the indicating data transmission time unit, the base station transmitting the control information according to a transmission sub-band occupied by the control information.
  • the embodiment of the present application further provides a data receiving method, the method comprising: receiving, by a user equipment, N pieces of control information indication, where the control information indicates a number of copies M for indicating control information, and each part of the transmission is The time-frequency resource used for the control information, wherein M and N are both positive integers, and 1 ⁇ M ⁇ N; the user equipment receives the time-frequency resource indicated by the control information, and receives the corresponding user equipment. Control information.
  • the method of the present invention can be used to indicate the number of instructions indicating the control information and the time-frequency resources occupied by each control information, so that the receiving end can enable the receiving end according to the control information.
  • the indication of the indication determines the number of copies of the control information and the time-frequency resources occupied by each piece of control information.
  • the receiving, by the user equipment, the N pieces of control information indication comprises: determining, by the user equipment, the base station to transmit each one according to the preset control information indication number of copies
  • the control information indicates the first time-frequency domain resource used; the user equipment receives the control information indication sent by the base station using the first time-frequency domain resource.
  • the user equipment may determine, according to the control information, the first time-frequency domain resource used by the control information indication.
  • the receiving, by the user equipment, the N pieces of control information indication includes: the user equipment is blindly detected in a transmission subband that can be used to transmit the control information indication Obtaining the N pieces of control information indication, wherein the predetermined maximum number of transmission sub-bands that can be used to transmit the control information indication is a preset value.
  • the user equipment can determine the control information indication by means of blind detection, so that the determination of the control information indication can be made simpler.
  • the method when the user equipment indicates the indication according to the control information Before the receiving, by the user equipment, the control information corresponding to the user equipment, the method includes: determining, by the user equipment, the number of transmission subbands occupied by the corresponding control information according to the control information, and occupying by the control information Transfer subband information.
  • the frequency domain resource when the user equipment indicates the indication according to the control information Before receiving the control information corresponding to the user equipment, the frequency domain resource further includes: the user equipment determining, according to the control information, a data transmission time unit occupied by the control information.
  • the embodiment of the present application further provides another data sending method, where the method includes: determining, by the base station, the number of copies M of the control information to be sent, and the transmission sub-band corresponding to each piece of control information; The transmission subbands transmit corresponding control information.
  • the common search space of the control information can be used to indicate the number of copies of the control information and the radio resources occupied by each control information, so that the control information can be used to indicate the number of copies of the control information and each The time-frequency resources occupied by the control information.
  • the embodiment of the present application further provides another data receiving method, where the method includes: the user equipment determines, by detecting the common search space of the control information, the number M of the corresponding control information and each control information. a transmission subband; the user equipment receives corresponding control information through the transmission subband.
  • the user equipment can determine the number of copies of the control information and the time-frequency resources occupied by each control information by detecting the common search space of the control information, so that the control information indication indication control information can be no longer used.
  • the number of copies and the time-frequency resources occupied by each control information can be determined.
  • the present application further provides a data transmitting apparatus, the apparatus comprising means for performing the first aspect and each method step in each implementation manner of the first aspect.
  • the present application further provides a data receiving apparatus, the apparatus comprising means for performing the method steps of the second aspect and the second aspect.
  • the present application also provides a data transmitting apparatus, the apparatus comprising means for performing the method steps of the third aspect.
  • the present application also provides a data receiving apparatus, the apparatus comprising means for performing the method steps of the fourth aspect.
  • the present application further provides a base station, where the base station includes a processor and a transmitter, and the processor controls the transmitter to perform data according to the method described in the first aspect and the implementation manners of the first aspect. send.
  • the present application further provides a user equipment, where the user equipment includes a processor and a receiver, and the processor performs data according to the method described in the second aspect and the implementation manners of the second aspect by the receiver. receive.
  • the present application further provides another base station, where the base station includes a processor and a transmitter, and the processor controls the transmitter to perform data transmission in the method described in the third aspect.
  • the present application further provides another user equipment, where the user equipment includes a processor and a receiver, and the processor performs data reception by the receiver according to the method described in the fourth aspect.
  • the N control information can be used to indicate the number of the control information and the time-frequency resource occupied by each control information, so that the receiving end can refer to the control information according to the control information.
  • the indication indicates the number of copies of the control information and the time-frequency resources occupied by each piece of control information.
  • FIG. 2 is a schematic flowchart of an embodiment of a data sending method according to the present application.
  • FIG. 3 is a schematic flowchart of an embodiment of a data receiving method according to the present application.
  • FIG. 4 is a schematic flowchart of another embodiment of a data sending method according to the present application.
  • FIG. 5 is a schematic flowchart diagram of another embodiment of a data receiving method according to the present application.
  • FIG. 6 is a schematic structural diagram of an embodiment of a data transmitting apparatus according to the present application.
  • FIG. 7 is a schematic structural diagram of an embodiment of a data receiving apparatus according to the present application.
  • FIG. 8 is a schematic structural diagram of another embodiment of a data transmitting apparatus according to the present application.
  • FIG. 9 is a schematic structural diagram of another embodiment of a data receiving apparatus according to the present application.
  • FIG. 10 is a schematic structural diagram of an embodiment of a base station according to the present application.
  • FIG. 11 is a schematic structural diagram of an embodiment of a user equipment according to the present application.
  • the base station may include a Node B (NodeB), an evolved Node B (eNodeB), or the like, for transmitting data
  • the user equipment may include a mobile station (MS).
  • a receiving device for receiving data such as a user equipment (UE).
  • UE user equipment
  • the transmission subband is divided by the system bandwidth of the base station according to a predetermined rule, and each of the transmission subbands corresponds to a control information indication or a piece of control information, and is used to send a corresponding control information indication. Or control information.
  • the subband corresponding to each analog beam is a basic subband, and the bandwidth of each transmission subband is greater than or equal to the bandwidth of one basic subband.
  • the number of analog beams that the base station can support is 4, then the number of analog beams is 4.
  • the subband corresponding to each analog beam is a basic subband, then the system bandwidth includes 4 basic subbands, and the transmission subband can be 1 to 4.
  • the time-frequency resource corresponding to the control information may include only the time domain resource or the frequency domain resource occupied when the control information is transmitted, and may also include the time domain resource and the frequency domain occupied by the transmission control information.
  • the location of the time domain resource corresponding to the control information may be a time unit for transmitting control information, for example, a symbol for transmitting control information in each subframe or the like.
  • the location of the frequency domain resource corresponding to the control information may include a bandwidth of the transmission subband used to transmit the control information, a starting position of the frequency domain, and the like.
  • the information of each transmission subband may include information such as the bandwidth of the transmission subband, the starting position of the frequency domain, and the like.
  • FIG. 2 is a schematic flowchart of an embodiment of a data sending method according to the present application, where the method includes the following steps:
  • Step 201 The base station sends N pieces of control information indication in a predetermined indication data transmission time unit.
  • the base station may send N pieces of control information indications in a predetermined indication data transmission time unit, each piece of control information indicating occupation of at least one transmission sub-band corresponding to each, and N is a positive integer.
  • the value of N may be preset by the wireless communication system or the wireless communication protocol, or may be selected by the base station according to the transmission requirement indicated by the control information every time the control information is sent, that is, the location is selected.
  • the base station may send the same number of control information indications each time the control information indication needs to be sent, or may send different number of control information indications each time the control information indication needs to be sent.
  • the base station can transmit 4 copies of the control information indication each time.
  • the preset range is 1 to 4
  • the base station can transmit 1 to 4 copies of the control information indication as needed, and the control information transmitted each time indicates that the number of copies can be different.
  • the value of N is less than or equal to 1 and is less than or equal to a predetermined value T, that is, 1 ⁇ N ⁇ T, where T is the maximum number of transmission sub-bands that can be used to transmit the indication of the control information. Since each analog beam needs to occupy at least one basic subband, the value of T is less than or equal to the maximum number of analog beams supported by the base station.
  • the value of T may be the same as the maximum number of analog beams supported by the base station, and the value of N may be the same as the value of T.
  • each of the control information occupies at least one of the T transmission subbands.
  • the value of T can be 4, that is, the base station can send up to 4 pieces of control information indication each time.
  • the indication data transmission time unit may be the first P symbols per subframe, P ⁇ 1.
  • the data transmission time unit may be the first symbol of a frequency division duplexing (FDD) downlink subframe, or may be a special subframe of time division duplexing (TDD).
  • FDD frequency division duplexing
  • TDD time division duplexing
  • the first symbol may be the same or different.
  • the predefined indication data transmission time unit may be a P time unit predefined before the control information transmission time unit.
  • the control information indicates that the number of copies M of the control information and the time-frequency resource used for transmitting each of the pieces of control information may be used.
  • 1 ⁇ M ⁇ N that is, when the base station performs data transmission, the number of copies of the control information sent by the base station is less than or equal to the number of copies indicated by the control information sent by the base station.
  • control information indication may also be used to indicate the number of transmission sub-bands occupied by each piece of the control information, and the sub-band information of the transmission sub-band occupied by each piece of control information.
  • control information indication may also be used to indicate a time unit occupied by each piece of the control information.
  • the time unit occupied by the control information may be a time unit occupied by the control information indicating the transmission, or may be a time unit after the indicating the data transmission time unit. That is, the base station may transmit control information indication and control information in the same time unit, or may transmit control information indication and control information in different time units. For example, the base station may send a control information indication in the first P symbols of each subframe, and send control information in other symbols than the first P symbols; or, the base station may simultaneously transmit the first P symbols in each subframe. Control information indication and control information.
  • Step 202 The base station separately sends the corresponding control information by using the time-frequency resource.
  • the base station may further send the control information by using the time-frequency resource.
  • the value of T is usually also 4. That is, when the maximum number of analog beams that the base station can support is 4, the base station can transmit control information indication and control information using 4 transmission subbands.
  • the value of N may be any integer between 1 and 4. That is, the base station may transmit 1 to 4 copies of the control information indication, and each of the control information indicates that at least one of the 4 transmission sub-bands may be occupied. Normally, the base station can send 4 copies of the control information indication, wherein each control information indicates that one transmission sub-band can be occupied.
  • the four transmission sub-bands may be used to transmit one to four copies of control information as needed.
  • the base station can transmit one of the control information using two transmission sub-bands, and each of the other two pieces of control information is transmitted using one transmission sub-band.
  • each control sub-band can be used to transmit each control information; three transmission sub-bands can also be used to transmit one control information, and another transmission sub-band can be used to transmit another control information. .
  • the control information indication may indicate that the number of copies of the control information is 3, and may indicate a transmission sub-band occupied by each piece of control information and each of the transmission sub-bands Frequency domain location.
  • the control information indication may also indicate the time domain resources occupied by the 3 pieces of control information, that is, the control information indication may indicate in which time units the 3 pieces of control information are transmitted.
  • control information indication may be first sent before the control information is sent, and the time-frequency resource indicating each control information is indicated by the control information, so that the user equipment can determine the indication content indicated by the control information. Time-frequency resources for transmitting control information.
  • the present application also provides a data receiving method.
  • FIG. 3 it is a schematic flowchart of an embodiment of a data receiving method according to the present application.
  • the method can be performed by a user equipment. As shown in FIG. 2, the method may include:
  • Step 301 The user equipment receives N pieces of control information indication.
  • the user equipment first receives N pieces of control information indication, and each piece of control information indicates occupying at least one transmission sub-band corresponding to each.
  • Each of the control information indications may be used to indicate the number M of the control information and the time-frequency resource used to transmit each of the control information.
  • the base station may also be selected within a preset range. Therefore, the user equipment may be determined according to different manners of determining the number of copies according to the control information.
  • the first time-frequency domain resource occupied by each piece of the control information is determined in a different manner.
  • the user equipment may indicate the number of copies according to the preset control information, and determine the first used by the base station to transmit each of the control information indications.
  • the time-frequency domain resource and then receiving the control information indication sent by the base station on the first time-frequency domain resource.
  • the preset control information indicates that the number of copies is the preset number of copies indicated by the control information sent when the device sends the control information indication.
  • the base station uses 4 transmission subbands to transmit 4 pieces of control information respectively.
  • the user equipment may determine the frequency domain location of each transmission subband according to the system bandwidth and the predetermined transmission subband division rule corresponding to the four transmission subbands; and then receive the control information indication sent by the base station through the corresponding transmission subband.
  • the user equipment blindly checks the N pieces of control information indication in a transmission sub-band that can be used to transmit the control information indication.
  • the maximum number T of the number of copies indicated by the control information is a preset value. After the value of T and the system bandwidth are determined, the number of transmission sub-bands that may be indicated by the transmission control information and the sub-band information of each transmission sub-band may also be determined, so that the user equipment determines the control information by blind detection.
  • the frequency domain location is completed and the reception of the control information indication is completed.
  • the base station may transmit 1 to 4 copies of the control information indication according to actual requirements, wherein each piece of control information indicates a corresponding one of the transmission sub-bands.
  • the user equipment may first determine that each of the control information indicates a candidate frequency domain position of the corresponding transmission subband in each case when the base station transmits 1 to 4 pieces of control information indicating the four cases. (The candidate frequency domain locations are usually fixed), and then these possible candidate frequency domain locations are blindly detected, and the number of copies indicated by the control information and each control information indicating the frequency domain position of the corresponding transmission subband are determined by blind detection.
  • Step 302 The user equipment receives control information corresponding to the user equipment according to the indication indicated by the control information.
  • the user equipment may determine, according to the control information, the number of transmission subbands occupied by the corresponding control information, and the information of the transmission subband occupied by the control information.
  • the user equipment determines the frequency domain location of the control information based on the number of transmission subbands occupied by the control information and the information of the transmission subband.
  • the user equipment may further determine, according to the control information, a data transmission time unit occupied by the control information.
  • the data transmission time unit occupied by the control information and the data transmission time unit occupied by the control information indication may be the same time unit or different time units.
  • the user equipment can determine the frequency domain location of the transmission subband used to transmit the control information according to the control information indication, so that the user equipment can complete the reception of the control information.
  • the base station can also not send control.
  • the information indicates that the control information is directly transmitted according to a predetermined rule, and the user equipment can directly determine the frequency domain location of the control information and receive the control information according to a predetermined rule.
  • FIG. 4 it is a schematic flowchart of another embodiment of a data sending method according to the present application. As shown in FIG. 4, the method may include:
  • Step 401 The base station determines the number of copies M of the control information to be sent, and the transmission sub-band corresponding to each piece of control information.
  • the base station first determines the number of copies M of the control information to be sent, and the value of M can be selected by the base station in a preset range according to the transmission requirement of the control information each time the control information is sent, so that the base station can be Each time the control information is sent, different number of pieces of control information are sent as needed.
  • the method for determining the value of M refer to the method for determining the value of N in the foregoing embodiment, and details are not described herein again.
  • the base station After determining the value of M, the base station determines, according to the determining rule corresponding to the value, the transmission sub-band occupied by each piece of control information, where each transmission sub-band may include the same number of basic sub-bands, or Contains a different number of basic subbands.
  • the base station can select any one of 1, 2, 3 or 4 as the value of M according to the transmission requirement of the control information.
  • the base station may divide the system bandwidth into three transmission sub-bands according to a preset division rule, where the bandwidths of the three transmission sub-bands may be equal or unequal.
  • Step 402 The base station sends corresponding control information in each of the transmission subbands.
  • the base station may use the transmission subband to transmit control information corresponding to the transmission subband.
  • the base station may transmit the indication information by using a common search space of control information, where the indication information is used to indicate control.
  • the number of copies of the information and the information of the transmission sub-band corresponding to each piece of control information so that the user equipment can determine the number of copies of the control information and the sub-band information of each transmission sub-band through the indication information. That is, in the common search space of the control information transmitted by each of the transmission subbands, the indication information is carried, and the indication information is used to indicate the number of copies of the control information, and the subband of the transmission subband corresponding to each piece of control information. information.
  • the communication system may newly define an indication of a resource indication dedicated to control information transmission in the PDCCH CSS, such as the indication information may be specifically scrambled, such as scrambling with N-RNTI (new radio network temporary indentity). a type of control information specifically for indicating the number of copies of the control information And information for each transmission subband.
  • the base station may send the indication information every subframe, so that the user equipment can determine, by using the indication information carried in the blind detection PDCCH CSS in each subframe, the number of copies of the control information and the transmission subband corresponding to each piece of control information. Subband information.
  • the user equipment can determine the frequency domain resource location for transmitting the control information by detecting the control channel, so that the control information indication can be sent without using the special time unit.
  • FIG. 5 it is a schematic flowchart of another embodiment of a data receiving method according to the present application. As shown in FIG. 5, the method may include:
  • Step 501 The user equipment determines the number of copies M of the corresponding control information and the transmission sub-band corresponding to each piece of control information by detecting the common search space of the control information.
  • the manner in which the value of the M is determined is different, and the manner in which the user equipment determines the number M of the corresponding control information and the manner in which the transmission sub-band corresponding to each piece of control information may be different may also be different.
  • the user equipment blindly checks the M shares of control information in a transmission sub-band that can be used to transmit the control information.
  • the maximum number T of the number of copies of the control information may be a preset value.
  • the user equipment may first determine the value of T and the system bandwidth. After the value of T and the system bandwidth are determined, the number of transmission subbands of the control information and the subband information of each transmission subband may be transmitted. It can also be determined accordingly, so that the user equipment determines the frequency domain location of the control information by blind detection and completes the reception of the control information.
  • the base station may transmit the indication information through a common search space of the control information, the indication information being used to indicate the number of copies of the control information and each The information of the transmission subband corresponding to the control information. Therefore, the user equipment can determine the number of transmission subbands and the information corresponding to each transmission subband by blindly checking the system information in the common search space.
  • the user equipment may determine the value of the M and the information of each transmission subband according to the indication information. For example, when the indication information is scrambled by the N-RNTI, the user equipment may determine, by blind detection, indication information that is scrambled by the N-RNTI in the PDCCH CSS. If the indication information scrambled by the N-RNTI is detected, the base station may determine the value of M and the information of each transmission subband by using the content of the indication information.
  • Step 502 The user equipment receives corresponding control information by using the transmission subband.
  • the user equipment may receive corresponding control information through the transmission sub-band.
  • the user equipment can perform blind detection on the common search space of the control information to determine the transmission subband of each piece of control information, and complete the reception of the control information, so that the base station can no longer use the dedicated time unit to transmit and control.
  • Information indication can be performed
  • the data transmitting device may be disposed on the base station or may be the base station itself.
  • the data sending apparatus may include: a first sending unit 601 and a second sending unit 602.
  • the first sending unit 601 is configured to send N pieces of control information indications in a predetermined indication data transmission time unit, where the control information indicates the number of copies M for indicating the control information and each of the transmissions
  • the time-frequency resources used for the control information, M and N are both positive integers, and 1 ⁇ M ⁇ N.
  • the second sending unit 602 is configured to separately send the corresponding control information by using the time-frequency resource.
  • N is a positive integer.
  • N is not greater than T, where T is the maximum number of transmission subbands that can be used to transmit the indication of the control information, and the value of the T is the maximum supported by the device.
  • the number of analog beams is the same, and each of the control information occupies at least one of the T transmission sub-bands.
  • control information indication is further used to indicate the number of transmission subbands occupied by each piece of the control information, and the subband information of the transmission subband occupied by each piece of control information.
  • control information indication is further used to indicate a data transmission time unit occupied by each piece of the control information.
  • the second sending unit 602 is specifically configured to: in the indication data transmission time unit, send the control information according to a transmission subband occupied by the control information.
  • FIG. 7 is a schematic structural diagram of an embodiment of a data receiving apparatus according to the present application.
  • the data transmitting device may be provided on the user equipment or may also be the user equipment itself.
  • the apparatus may include a first receiving unit 701 and a second receiving unit 702.
  • the first receiving unit 701 is configured to receive N pieces of control information indication, where the control information indicates a number of copies M for indicating control information, and a time-frequency resource used for transmitting each of the pieces of control information, where M and N are both positive integers, and M ⁇ N.
  • the second receiving unit 702 is configured to receive, according to the indication indicated by the control information, control information corresponding to the user equipment.
  • the first receiving unit 701 includes: a determining subunit, configured to determine, according to the preset control information, the first time frequency domain resource used by the base station to transmit each of the control information indications; Unit, And the receiving, by the receiving, the control information indication sent by the base station by using the first time-frequency domain resource.
  • the first receiving unit 701 is specifically configured to obtain the N pieces of control information indication by blind detection in a transmission subband that can be used to transmit the control information indication, where the predetermined may be used to transmit the
  • the maximum number of transmission sub-bands indicated by the control information is a preset value.
  • the device may further include a first determining unit.
  • the first determining unit is configured to determine, according to the control information, the number of transmission subbands occupied by the corresponding control information, and the subband information of the transmission subband occupied by the control information.
  • the device may further include a second determining unit.
  • the second determining unit is configured to determine, according to the control information, a data transmission time unit occupied by the control information.
  • FIG. 8 is a schematic structural diagram of another embodiment of a data transmitting apparatus according to the present application.
  • the data transmitting device may be provided at the base station or may also be the base station itself.
  • the apparatus may include: a determining unit 801 and a transmitting unit 802.
  • the determining unit 801 is configured to determine a number M of control information to be sent, and a transmission sub-band corresponding to each piece of control information, where the sending unit 802 is configured to send in each of the transmission sub-bands. Corresponding control information.
  • the data receiving device may be disposed on the user equipment, or may be the user equipment itself.
  • the apparatus may include a determining unit 901 and a receiving unit 902.
  • the determining unit 901 is configured to determine the number of copies M of the corresponding control information and the transmission sub-band corresponding to each piece of control information by performing blind detection on the common search space of the control information; the receiving unit 902 is configured to: Corresponding control information is transmitted in each of the transmission subbands.
  • FIG. 10 is a schematic structural diagram of an embodiment of a base station according to the present application.
  • the base station can perform the data transmission method as shown in FIG. 2 or FIG.
  • the base station may include components of the processor 1001, the memory 1002, and the transmitter 1003.
  • the components may also be connected and communicated through one or more buses or the like.
  • the processor 1001 is a base station that connects various parts of the entire base station by using various interfaces and lines, by running or executing software programs and/or modules stored in the memory 1002, and calling data stored in the memory 1002. To perform various functions of the terminal and/or process data.
  • the processor 1001 can be integrated
  • the integrated circuit (IC) may be composed of, for example, a single package, or may be composed of a plurality of package ICs that have the same function or different functions.
  • the processor 1001 can be a central processor (CP).
  • the memory 1002 can be used to store software programs and modules, and the processor 1001 executes various functional applications of the base station and implements data processing by running software programs and modules stored in the memory 1002.
  • the memory 1002 may include a volatile memory, such as a nonvolatile random access memory (NVRAM) or a phase change RAM (PRAM).
  • NVRAM nonvolatile random access memory
  • PRAM phase change RAM
  • MRAM may also include non-volatile memory, such as at least one magnetic disk storage device, electrically erasable programmable read-only memory (electrically erasable programmable read-only memory) , referred to as EEPROM), flash memory devices, such as NOR flash memory or NAND flash memory.
  • the transmitter 1003 is configured to establish a communication channel, so that the base station can send data to the user equipment through the communication channel.
  • the transmitter 1003 may include a transmitter and a radio frequency (RF) circuit corresponding to the transmitter.
  • RF radio frequency
  • various communication modules in the transmitter 1003 generally appear in the form of integrated circuit chips, and can be selectively combined without including all communication modules and corresponding Antenna group.
  • the processor 1001 is configured to control the transmitter 1003 to send N shares control in a predetermined indication data transmission time unit.
  • Information indicating wherein the control information indicates a number M of the control information and a time-frequency resource used to transmit each of the control information, and M and N are positive integers, and 1 ⁇ M ⁇ N;
  • the transmitter 1003 is controlled to use the time-frequency resource to separately transmit the corresponding control information.
  • N ⁇ T where T is the maximum number of transmission subbands that can be used to transmit the indication of the control information.
  • the maximum number of transmission subbands is the same as the maximum number of analog beams supported by the base station.
  • Each of the pieces of control information occupies at least one of the T transmission sub-bands.
  • control information indication is further used to indicate the number of transmission subbands occupied by each piece of the control information, and the information of the transmission subband occupied by each piece of control information.
  • control information indication is further used to indicate a data transmission time unit occupied by each piece of the control information.
  • the base station sends the control information according to a transmission subband occupied by the control information.
  • the processor 1001 can control The transmitter 1003 transmits the control information according to a transmission subband occupied by the control information.
  • the processor 1001 may first determine the number of copies M of the control information to be sent, and corresponding to each piece of control information.
  • the sub-band is transmitted; then the transmitter 1003 is controlled to transmit control information corresponding to the transmission sub-band using each of the transmission sub-bands.
  • FIG. 11 is a schematic structural diagram of an embodiment of a user equipment according to the present application.
  • the user equipment can perform the data receiving method as shown in FIG. 3 or 5.
  • the user equipment may include components such as a processor 1101, a memory 1102, and a receiver 1102.
  • the components may also be connected and communicated through one or more buses or the like.
  • the processor 1101 is a user device that connects various parts of the entire user equipment by using various interfaces and lines, by running or executing software programs and/or modules stored in the memory 1102, and calling the memory stored in the memory 1102. Data to perform various functions of the terminal and/or process data.
  • the processor 1101 may be composed of an integrated circuit (for example, may be composed of a single package, or may be composed of a plurality of packaged ICs that have the same function or different functions.
  • the processor 1101 may be a communication process. Device.
  • the memory 1102 can be used to store software programs and modules, and the processor 1101 executes various functional applications of the user equipment and implements data processing by running software programs and modules stored in the memory 1102.
  • the memory 1102 may include a volatile memory, such as non-volatile dynamic random access memory, phase change random access memory, magnetoresistive random access memory, etc., and may also include non-volatile A memory, such as at least one disk storage device, an electronically erasable programmable read only memory, a flash memory device such as an anti-flash memory or a flash memory.
  • the receiver 1102 is configured to establish a communication channel, so that the base station can send data to the user equipment through the communication channel.
  • the receiver 1102 can include a receiver and a radio frequency circuit corresponding to the receiver.
  • various communication modules in the receiver 1102 are generally in the form of integrated circuit chips, and can be selectively combined without including all communication modules and corresponding Antenna group.
  • the processor 1101 is configured to receive, by the receiver 1102, N pieces of control information indication, where the control information indication is used for Indicates the number of copies M of the control information and the time-frequency resource used to transmit each of the pieces of control information, wherein M and N are positive integers, and 1 ⁇ M ⁇ N; the control information is passed through the receiver 1102. Indicating time and frequency And receiving, by the source, control information corresponding to the user equipment.
  • the processor 1101 is configured to receive, by using the receiver 1102, N pieces of control information indication, where the control information indication is used for indicating a number M of control information and a time-frequency resource for transmitting each of the pieces of control information, wherein M and N are positive integers, and 1 ⁇ M ⁇ N; and the receiver is used to indicate by the control information Indicates a time-frequency resource that receives control information corresponding to the user equipment.
  • the processor 1101 is further configured to: determine, according to preset control information, the first time-frequency domain resource used by the base station to transmit each of the control information indications; and receive the base station by using the receiver 1102. The control information indication sent using the first time-frequency domain resource.
  • the processor 1101 may further obtain the N pieces of control information indication by blind detection in a transmission subband for transmitting the control information indication, where the predetermined may be used to transmit the control information indication
  • the maximum number of transmission subbands is a preset value.
  • the processor 1101 is further configured to determine, according to the control information, a quantity of a transmission subband occupied by the corresponding control information, and information of a transmission subband occupied by the control information.
  • the processor 1101 is further configured to determine, according to the control information indication, a data transmission time unit occupied by the control information.
  • the processor 1101 may control the receiver 1102 to detect the common search space of the control information, determine the number M of the corresponding control information, and Each transmission control sub-band corresponding to the control information; and the control receiver 1102 receives the corresponding control information through the transmission sub-band.
  • the technology in the embodiments of the present application can be implemented by means of software plus a necessary general hardware platform.
  • the technical solution in the embodiments of the present application may be embodied in the form of a software product in essence or in the form of a software product, and the computer software product may be stored in a storage medium such as a ROM/RAM. , a diskette, an optical disk, etc., including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present application or portions of the embodiments.
  • a computer device which may be a personal computer, server, or network device, etc.

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

Abstract

L'invention concerne un procédé d'envoi de données, un procédé de réception de données, et un appareil. Le procédé de réception comprend les étapes suivantes : dans une unité de temps de transmission de données d'indication prédéterminée, une station de base envoie N indications d'informations de commande, les indications d'informations de commande étant utilisées pour indiquer le nombre M d'éléments d'informations de commande et les ressources temps-fréquence respectivement utilisées pour transmettre chaque élément d'informations de commande, M et N étant des nombres entiers positifs, et 1≤M≤N ; et, à l'aide de la ressource temps-fréquence, la station de base envoie respectivement les informations de commande correspondantes. Le procédé et l'appareil associé selon l'invention peuvent indiquer le nombre d'éléments d'informations de commande et la ressource temps-fréquence occupée par chaque élément d'informations de commande à l'aide de N indications d'informations de commande. Cela permet à une extrémité de réception de déterminer, selon l'indication indiquée par les informations de commande, le nombre d'éléments d'informations de commande et la ressource temps-fréquence occupée par chaque élément d'informations de commande.
PCT/CN2016/098879 2016-09-13 2016-09-13 Procédé d'envoi de données, procédé de réception de données, et appareil Ceased WO2018049565A1 (fr)

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CN113872741A (zh) * 2019-05-24 2021-12-31 北京小米移动软件有限公司 控制信息传输方法及装置

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CN101754380A (zh) * 2008-12-19 2010-06-23 大唐移动通信设备有限公司 载波聚合系统中的资源控制方法、系统、基站及终端
WO2012155502A1 (fr) * 2011-09-30 2012-11-22 中兴通讯股份有限公司 Procédé et appareil pour indiquer des informations de commande de liaison descendante
CN103220796A (zh) * 2012-01-21 2013-07-24 电信科学技术研究院 一种下行数据传输方法及其设备
CN103716132A (zh) * 2012-09-28 2014-04-09 中兴通讯股份有限公司 一种下行控制信息的处理装置及方法

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CN101754380A (zh) * 2008-12-19 2010-06-23 大唐移动通信设备有限公司 载波聚合系统中的资源控制方法、系统、基站及终端
WO2012155502A1 (fr) * 2011-09-30 2012-11-22 中兴通讯股份有限公司 Procédé et appareil pour indiquer des informations de commande de liaison descendante
CN103220796A (zh) * 2012-01-21 2013-07-24 电信科学技术研究院 一种下行数据传输方法及其设备
CN103716132A (zh) * 2012-09-28 2014-04-09 中兴通讯股份有限公司 一种下行控制信息的处理装置及方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113872741A (zh) * 2019-05-24 2021-12-31 北京小米移动软件有限公司 控制信息传输方法及装置

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