WO2016192065A1 - Procédé et dispositif de transmission de données, et dispositif d'utilisateur - Google Patents

Procédé et dispositif de transmission de données, et dispositif d'utilisateur Download PDF

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Publication number
WO2016192065A1
WO2016192065A1 PCT/CN2015/080719 CN2015080719W WO2016192065A1 WO 2016192065 A1 WO2016192065 A1 WO 2016192065A1 CN 2015080719 W CN2015080719 W CN 2015080719W WO 2016192065 A1 WO2016192065 A1 WO 2016192065A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
index
frequency hopping
resource
indication information
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Application number
PCT/CN2015/080719
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English (en)
Chinese (zh)
Inventor
张屹
唐臻飞
魏冬冬
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201580080430.1A priority Critical patent/CN107615850B/zh
Priority to PCT/CN2015/080719 priority patent/WO2016192065A1/fr
Publication of WO2016192065A1 publication Critical patent/WO2016192065A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of information technology, and in particular, to a method and device for transmitting data and a user equipment.
  • Frequency Division Multiplexing (English name: Frequency Division Duplexing, long-term evolution (English full name: Long Term Evolution, English abbreviation: LTE)) in the 3rd Generation Partnership Project (English name: Third Generation Partnership Project, English abbreviation: 3GPP) English abbreviation: FDD)
  • a radio frame consists of 10 sub-frames (English name: sub-frame).
  • One sub-frame takes 1 millisecond (ms) and is divided into two slots (slots).
  • ms millisecond
  • slots One resource The length of time a block occupies one time slot in the time domain.
  • frequency hopping technology is introduced in 3GPP, including: inter-frame frequency hopping and inter-subframe and intra-subframe frequency hopping.
  • a frequency hopping method a user equipment utilization type (English full name: type) 1 or type 2 frequency hopping scheme of a 1 ms transmission time interval (English full name: Transmission Time Interval, English abbreviation: TTI) is used between subframes or sub-frames.
  • TTI Transmission Time Interval
  • the intra-frame and the sub-frames perform frequency hopping, so that the corresponding physical resource block (English full name: Physical resource block, English abbreviation: PRB) is used for data transmission after frequency hopping.
  • PRB Physical resource block
  • the user equipment of the 1 ms TTI determines the PRB resource block for data transmission by using the frequency hopping method
  • the smallest resource block of the data transmission is a resource block pair, but the user of 1 ms TTI
  • the invention provides a method and a device for transmitting data and a user equipment, which can improve the utilization rate of transmission resources.
  • the present invention provides an apparatus for transmitting data, which is supported by a user equipment for 0.5 ms. Transmitting a time interval TTI user equipment, the device comprising:
  • a receiving unit located in the user equipment, configured to receive authorization indication information sent by the base station;
  • An acquiring unit configured to acquire an index of a virtual resource block VRB resource indicated in the authorization indication information, in the user equipment
  • a determining unit located in the user equipment, configured to determine an index of the physical resource block PRB resource according to an index of the VRB resource and by using a frequency hopping manner;
  • the data transmission unit is located in the user equipment, and is configured to perform data transmission on the PRB resource corresponding to the index of the PRB resource.
  • the receiving unit is located in the user equipment, and is further configured to receive a system message block SIB message sent by the base station, where the SIB message is used to indicate frequency hopping information of the user equipment, and the frequency hopping information is used to represent the user.
  • SIB message is used to indicate frequency hopping information of the user equipment, and the frequency hopping information is used to represent the user.
  • the device performs frequency hopping, the selected frequency hopping mode, frequency hopping offset, and number of subbands;
  • the determining unit specifically includes: an obtaining module and a determining module
  • the acquiring module is located in the user equipment, and is configured to acquire a frequency hopping type corresponding to the user equipment indicated in the authorization information.
  • the determining module is located in the user equipment, and is configured to: according to the time slot indicating that the user equipment currently transmits data, the index of the VRB resource corresponding to the time slot in which the user equipment currently transmits data, and the index in the authorization indication information Determining an index of the PRB resource by using a hopping type corresponding to the user equipment and frequency hopping information of the user equipment indicated by the SIB message.
  • the determining module is located in the user equipment, specifically, when the time slot indicating that the user equipment currently transmits data in the authorization indication information is a first time slot, and the frequency hopping type of the user equipment is Type 1 and When the frequency hopping mode of the user equipment is inter-subframe and intra-subframe hopping, the index of the PRB resource is determined as the VRB resource corresponding to the time slot of the current data transmission of the user equipment indicated in the authorization indication information. index of;
  • the determining module is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot in which the user equipment currently transmits data is the second time slot, the user equipment When the frequency hopping type is Type1 and the hopping mode of the user equipment is inter-subframe and intra-subframe hopping, determining an index of the PRB resource is based on an index of the VRB resource indicated in the authorization indication information. An index of the PRB resource obtained after frequency hopping;
  • the determining module is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot in which the user equipment currently transmits data is the first time slot, and the frequency hopping type of the user equipment is Type 2
  • the index of the PRB resource is an index of the VRB resource indicated in the authorization indication information, when the hopping mode of the user equipment is the intra-subframe inter-subframe hopping and the number of the sub-bands is 1. ;
  • the determining module is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot in which the user equipment currently transmits data is the second time slot, and the frequency hopping type of the user equipment is Type 2 If the frequency hopping mode of the user equipment is the inter-subframe inter-subframe hopping and the number of the sub-bands is 1, the index of the PRB resource is determined to be the VRB indicated by the indication information in the authorization indication.
  • the index of the resource is an index of the PRB resource obtained after mirroring the reference;
  • the determining module is located in the user equipment, and is further configured to: when the authorization indication information indicates that the frequency hopping type of the user equipment is Type 2, the frequency hopping mode of the user equipment is inter-subframe plus intra-subframe hopping And determining, by the index of the VRB resource indicated by the user equipment, an index of the PRB resource corresponding to the user equipment, where the number of the subbands is greater than 1.
  • the frequency hopping information includes: a frequency hopping mode of the user equipment, a number of subbands, and the Frequency hopping offset
  • the acquiring module is located in the user equipment, and is specifically configured to acquire the current number of transmissions;
  • the determining module is located in the user equipment, and is further configured to determine the PRB resource when the current number of transmissions is an even number and the hopping type corresponding to the user equipment is Type1 in the authorization indication information. Index of the VRB resource indicated in the authorization indication information corresponding to the current transmission;
  • the determining module is located in the user equipment, and is further configured to: when the current number of transmissions is an even number, the number of the subbands is 1, and the authorization indication information indicates a frequency hopping type corresponding to the user equipment When the type is 2, the index of the PRB resource is determined as an index of the VRB resource indicated in the authorization indication information corresponding to the current transmission;
  • the determining module is located in the user equipment, and is further configured to determine the PRB resource when the current number of transmissions is an odd number and the hopping type corresponding to the user equipment is Type1 in the authorization indication information.
  • the index of the PRB resource obtained after hopping based on the index of the VRB resource indicated in the authorization indication information corresponding to the current transmission;
  • the determining module is located in the user equipment, and is further configured to: when the current number of transmissions is an odd number, the number of the subbands is 1, and the authorization indication information indicates that the frequency hopping type corresponding to the user equipment is Type 2 Determining, by the index of the PRB resource, an index of the PRB resource obtained by hopping the index of the VRB resource indicated in the authorization indication information corresponding to the current transmission as a reference;
  • the determining module is located in the user equipment, and is further configured to: when the number of the subbands is greater than 1 and the hopping type corresponding to the user equipment is Type 2 in the authorization indication information, according to the current transmission Determining the index of the VRB resource indicated in the corresponding authorization indication information, determining the use Index of the PRB resource corresponding to the user device.
  • the determining module is located in the user equipment, and is further configured to be used according to the index and formula of the VRB resource indicated in the authorization indication information corresponding to the current transmission. Determining an index of the PRB resource corresponding to the user equipment, where n PRB (n s ) is an index of the PRB resource, among them, n s is the slot number, and N sb is the number of subbands. For the frequency hopping offset, For the number of RBs in the subband, An index of the VRB resource indicated in the authorization indication information, c(k) represents a pseudo-random sequence with k as a variable, and c(i ⁇ 10) represents a pseudo-random sequence with i ⁇ 10 as a variable.
  • the frequency hopping information includes: a frequency hopping mode and a frequency hopping offset of the user equipment;
  • the determining module is located in the user equipment, and is further configured to: according to the time slot indicating that the user equipment currently transmits data, and the VRB resource corresponding to the time slot in which the user equipment currently transmits data, according to the authorization indication information. And the step of determining an index of the PRB resource by using an index and a frequency hopping type corresponding to the user equipment and the frequency hopping information of the user equipment indicated by the SIB message, specifically:
  • the acquiring module is located in the user equipment, and is specifically configured to acquire the number of transmissions of the data transmission when the frequency hopping mode of the user equipment is hopping between subframes;
  • the determining unit is located in the user equipment, and is further configured to be used according to an index and a formula of a VRB resource indicated in the authorization indication information. Determining an index of the PRB resource, where CURRENT_TX_NB is the number of transmissions of the data transmission, and n s is a slot number, For the number of RBs in the upstream bandwidth, n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping mode and a frequency hopping offset of the user equipment;
  • the determining module is located in the user equipment, and is configured to: according to the index and formula of the VRB resource indicated in the authorization indication information, when the frequency hopping mode of the user equipment is intra-subframe inter-subframe frequency hopping Determining an index of the PRB resource, where n s is a slot number, For the number of RBs in the upstream bandwidth, n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping offset of the user equipment
  • the acquiring module is located in the user equipment, and is specifically configured to acquire the number of transmissions of the data transmission;
  • the determining module is located in the user equipment, and is further configured to be used according to an index and a formula of a VRB resource indicated in the authorization indication information. Determining an index of the PRB resource, where n PRB (n s ) is an index of the PRB resource, n s is a slot number, and CURRENT_TX_NB is a number of transmissions of the data transmission, For the number of RBs in the upstream bandwidth, n VRB is a set of consecutive resource blocks indicating the allocation.
  • the present invention provides a user equipment, where the user equipment is a TTI user equipment supporting a 0.5 ms transmission time interval, and the user equipment includes:
  • a receiver located in the user equipment, for receiving authorization indication information sent by the base station
  • a processor located in the user equipment, configured to acquire an index of a virtual resource block VRB resource indicated in the authorization indication information
  • the processor is located in the user equipment, and is further configured to determine an index of the physical resource block PRB resource according to an index of the VRB resource and by using a frequency hopping manner;
  • the processor is located in the user equipment, and is further configured to perform data transmission on the PRB resource corresponding to the index of the PRB resource.
  • the receiver is located in the user equipment, and is further configured to receive a system message block SIB message sent by the base station, where the SIB message is used to indicate frequency hopping information of the user equipment, and the frequency hopping information is used to represent the user.
  • SIB message is used to indicate frequency hopping information of the user equipment, and the frequency hopping information is used to represent the user.
  • the device performs frequency hopping, the selected frequency hopping mode, frequency hopping offset, and number of subbands;
  • the processor is located in the user equipment, and is specifically configured to acquire a frequency hopping type corresponding to the user equipment indicated in the authorization information;
  • the processor is located in the user equipment, and is further configured to: according to the time slot indicating that the user equipment currently transmits data, and the VRB resource corresponding to the time slot in which the user equipment currently transmits data, according to the authorization indication information. Determining an index of the PRB resource by using an index and a frequency hopping type corresponding to the user equipment and frequency hopping information of the user equipment indicated by the SIB message.
  • the processor is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot of the user equipment currently transmitting data is the first time slot, and the frequency hopping type of the user equipment is Type1 And determining that the index of the PRB resource is the VRB corresponding to the time slot of the current transmission data of the user equipment indicated in the authorization indication information, when the hopping mode of the user equipment is intra-subframe hopping. Index of resources;
  • the processor is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot of the user equipment currently transmitting data is the second time slot, and the frequency hopping type of the user equipment is Type1 When the frequency hopping mode of the user equipment is inter-subframe and intra-subframe hopping, determining that the index of the PRB resource is obtained by performing frequency hopping based on an index of the VRB resource indicated in the authorization indication information An index of the PRB resource;
  • the processor is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot of the user equipment currently transmitting data is the first time slot, and the frequency hopping type of the user equipment is Type 2
  • the index of the PRB resource is an index of the VRB resource indicated in the authorization indication information, when the hopping mode of the user equipment is the intra-subframe inter-subframe hopping and the number of the sub-bands is 1. ;
  • the processor is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot in which the user equipment currently transmits data is the second time slot and the user equipment Determining the index of the PRB resource as being indicated in the authorization indication, when the hopping mode is Type 2, the hopping mode of the user equipment is inter-subframe plus intra-subframe hopping, and the number of the subbands is 1.
  • the index of the VRB resource indicated in the information is an index of the PRB resource obtained after mirroring the reference;
  • the processor is located in the user equipment, and is further configured to: when the authorization indication information indicates that the frequency hopping type of the user equipment is Type 2, the frequency hopping mode of the user equipment is inter-subframe plus intra-subframe hopping And determining, by the index of the VRB resource indicated by the user equipment, an index of the PRB resource corresponding to the user equipment, where the number of the subbands is greater than 1.
  • the frequency hopping information includes: a frequency hopping mode, a number of subbands, and the frequency hopping offset of the user equipment;
  • the processor is located in the user equipment, and is specifically configured to acquire the current number of transmissions
  • the processor is located in the user equipment, and is specifically used to when the current number of transmissions And determining, by the even number and the authorization indication information, that the hopping type corresponding to the user equipment is Type1, determining that the index of the PRB resource is an index of the VRB resource indicated in the authorization indication information corresponding to the current transmission;
  • the processor is located in the user equipment, and is further configured to: when the current number of transmissions is an even number, the number of the subbands is 1, and the authorization indication information indicates a frequency hopping type corresponding to the user equipment When the type is 2, the index of the PRB resource is determined as an index of the VRB resource indicated in the authorization indication information corresponding to the current transmission;
  • the processor is located in the user equipment, and is further configured to determine the PRB resource when the current number of transmissions is an odd number and the hopping type corresponding to the user equipment is Type1 in the authorization indication information.
  • the index of the PRB resource obtained after hopping based on the index of the VRB resource indicated in the authorization indication information corresponding to the current transmission;
  • the processor is located in the user equipment, and is further configured to: when the current number of transmissions is an odd number, the number of the subbands is 1, and the authorization indication information indicates that the frequency hopping type corresponding to the user equipment is Type 2 Determining, by the index of the PRB resource, an index of the PRB resource obtained by hopping the index of the VRB resource indicated in the authorization indication information corresponding to the current transmission as a reference;
  • the processor is located in the user equipment, and is further configured to: when the number of the subbands is greater than 1 and the hopping type corresponding to the user equipment is Type 2 in the authorization indication information, according to the current transmission An index of the VRB resource indicated in the corresponding authorization indication information is used to determine an index of the PRB resource corresponding to the user equipment.
  • the processor is located in the user equipment, and is further configured to be used according to the index and formula of the VRB resource indicated in the authorization indication information corresponding to the current transmission. Determining an index of the PRB resource corresponding to the user equipment, where n PRB (n s ) is an index of the PRB resource, among them, n s is the slot number, and N sb is the number of subbands. For the frequency hopping offset, For the number of RBs in the subband, An index of the VRB resource indicated in the authorization indication information, c(k) represents a pseudo-random sequence with k as a variable, and c(i ⁇ 10) represents a pseudo-random sequence with i ⁇ 10 as a variable.
  • the frequency hopping information includes: a frequency hopping mode and a frequency hopping offset of the user equipment;
  • the processor is located in the user equipment, and is further configured to: according to the time slot indicating that the user equipment currently transmits data, and the VRB resource corresponding to the time slot in which the user equipment currently transmits data, according to the authorization indication information. And the step of determining an index of the PRB resource by using an index and a frequency hopping type corresponding to the user equipment and the frequency hopping information of the user equipment indicated by the SIB message, specifically:
  • the processor is located in the user equipment, and is further configured to: when the frequency hopping mode of the user equipment is hopping between subframes, acquire the number of transmissions of the data transmission;
  • the processor is located in the user equipment, and is further configured to be used according to an index and a formula of a VRB resource indicated in the authorization indication information. Determining an index of the PRB resource, where CURRENT_TX_NB is the number of transmissions of the data transmission, and n s is a slot number, For the number of RBs in the upstream bandwidth, n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping mode and a frequency hopping offset of the user equipment;
  • the processor is located in the user equipment, and is configured to: according to the index and formula of the VRB resource indicated in the authorization indication information, when the frequency hopping mode of the user equipment is intra-subframe hopping Determining an index of the PRB resource, where n s is a slot number, For the number of RBs in the upstream bandwidth, n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping offset of the user equipment
  • the processor is located in the user equipment, and is specifically configured to acquire the number of transmissions of the data transmission;
  • the processor is located in the user equipment, and is further configured to be used according to an index and a formula of a VRB resource indicated in the authorization indication information. Determining an index of the PRB resource, where n PRB (n s ) is an index of the PRB resource, n s is a slot number, and CURRENT_TX_NB is a number of transmissions of the data transmission, For the number of RBs in the upstream bandwidth, n VRB is a set of consecutive resource blocks indicating the allocation.
  • the present invention provides a method for transmitting data, including:
  • the user equipment is a TTI user equipment supporting a 0.5 ms transmission time interval, and the method includes:
  • the user equipment receives the authorization indication information sent by the base station;
  • the user equipment acquires an index of a virtual resource block VRB resource indicated in the authorization indication information
  • the user equipment performs data transmission on the PRB resource corresponding to the index of the PRB resource.
  • the method before the step of determining, by the user equipment, the index of the PRB resource by using an index of the VRB resource and using a frequency hopping manner, the method further includes:
  • the user equipment receives a system message block SIB message sent by the base station, where the SIB message is used to indicate frequency hopping information of the user equipment, and the frequency hopping information is used to represent the selected frequency hopping when the user equipment performs frequency hopping. Mode, frequency hopping offset, and number of subbands;
  • the step of determining, by the user equipment, the index of the physical resource block PRB resource according to the index of the VRB resource and using a frequency hopping manner specifically includes:
  • the user equipment acquires a frequency hopping type corresponding to the user equipment indicated in the authorization information
  • the user equipment according to the authorization indication information, indicating a time slot in which the user equipment currently transmits data, Determining an index of the PRB resource, the index of the VRB resource corresponding to the time slot in which the user equipment currently transmits data, the frequency hopping type corresponding to the user equipment, and the frequency hopping information of the user equipment indicated by the SIB message.
  • the steps specifically include:
  • the frequency hopping type of the user equipment is Type1
  • the frequency hopping mode of the user equipment is a subframe plus subframe In the internal frequency hopping
  • the user equipment determines that the index of the PRB resource is an index of a VRB resource corresponding to a time slot in which the user equipment currently transmits data indicated in the authorization indication information;
  • the frequency hopping mode of the user equipment is Type 1, and the frequency hopping mode of the user equipment is a subframe plus subframe.
  • the user equipment determines that the index of the PRB resource is an index of the PRB resource obtained by performing frequency hopping based on an index of the VRB resource indicated in the authorization indication information;
  • the frequency hopping mode of the user equipment is a subframe plus subframe.
  • the user equipment determines that the index of the PRB resource is an index of the VRB resource indicated in the authorization indication information, and the number of the subbands is 1.
  • the frequency hopping type of the user equipment is Type 2
  • the frequency hopping mode of the user equipment is a subframe plus subframe.
  • the internal hopping frequency and the number of the subbands are 1, the user equipment determines that the index of the PRB resource is obtained by mirroring the index of the VRB resource indicated in the indication information in the authorization indication. Index of PRB resources;
  • the hopping mode of the user equipment is Type 2
  • the hopping mode of the user equipment is inter-subframe plus intra-subframe hopping, and the number of subbands is greater than 1
  • the user equipment is Determining the use according to the index of the VRB resource indicated in the authorization indication information Index of the PRB resource corresponding to the user device.
  • the user equipment is configured to indicate that the frequency hopping type of the user equipment is Type 2. Determining, by the user equipment, the user equipment according to the index of the VRB resource indicated in the authorization indication information, if the hopping mode is the intra-subframe inter-subframe hopping and the number of the sub-bands is greater than 1.
  • the step of indexing the corresponding PRB resource specifically includes:
  • c(k) represents a pseudo-random sequence with k as a variable, and c(i ⁇ 10) represents a pseudo-random sequence with i ⁇ 10 as a variable.
  • the frequency hopping information includes: a frequency hopping mode, a number of subbands, and a location of the user equipment Frequency hopping offset
  • the step of determining the index of the PRB resource by using the hopping information of the user equipment indicated by the SIB message includes:
  • the user equipment acquires the number of current transmissions
  • the user equipment determines that the index of the PRB resource is The index of the VRB resource indicated in the authorization indication information corresponding to the current transmission;
  • the user equipment determines that the index of the PRB resource is The index of the VRB resource indicated in the authorization indication information corresponding to the current transmission;
  • the user equipment determines that the index of the PRB resource is the authorization indication information corresponding to the current transmission.
  • the index of the VRB resource indicated in the index is the index of the PRB resource obtained after the reference hopping;
  • the user equipment determines that the index of the PRB resource is The index of the VRB resource indicated in the authorization indication information corresponding to the secondary transmission is an index of the PRB resource obtained after the reference hopping;
  • the user equipment is configured according to the index of the VRB resource indicated in the authorization indication information corresponding to the current transmission. And determining an index of the PRB resource corresponding to the user equipment.
  • the user equipment determines, according to the VRB resource index indicated in the authorization indication information corresponding to the current transmission, The step of indexing the PRB resource corresponding to the user equipment includes:
  • the index and formula of the VRB resource indicated by the user equipment according to the authorization indication information corresponding to the current transmission Determining an index of the PRB resource corresponding to the user equipment, where n PRB (n s ) is an index of the PRB resource, among them, n s is the slot number, and N sb is the number of subbands.
  • n PRB (n s ) is an index of the PRB resource, among them
  • n s is the slot number
  • N sb is the number of subbands.
  • An index of the VRB resource indicated in the authorization indication information c(k) represents a pseudo-random sequence with k as a variable
  • c(i ⁇ 10) represents a pseudo-random sequence with i ⁇ 10 as a variable.
  • the frequency hopping information includes: a frequency hopping mode and a frequency hopping offset of the user equipment;
  • the step of determining the index of the PRB resource by using the hopping information of the user equipment indicated by the SIB message includes:
  • the user equipment acquires the number of transmissions of the data transmission
  • the index and formula of the VRB resource indicated by the user equipment according to the authorization indication information Determining an index of the PRB resource, where CURRENT_TX_NB is the number of transmissions of the data transmission, and n s is a slot number, For the number of RBs in the upstream bandwidth, n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping mode and a frequency hopping offset of the user equipment;
  • the step of determining the index of the PRB resource by using the hopping information of the user equipment indicated by the SIB message includes:
  • n s is a slot number
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping offset of the user equipment
  • the step of determining the index of the PRB resource by using the hopping information of the user equipment indicated by the SIB message includes:
  • the user equipment acquires the number of transmissions of the data transmission
  • n PRB (n s ) is an index of the PRB resource
  • n s is a slot number
  • CURRENT_TX_NB is a number of transmissions of the data transmission
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • FIG. 1 is a schematic structural diagram of an apparatus for transmitting data according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of another apparatus for transmitting data according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of data transmission in an embodiment of the present invention.
  • FIG. 4 is a flowchart of a method for transmitting data according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of another method for transmitting data according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of still another method for transmitting data according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of still another method for transmitting data according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of frequency hopping and mirroring according to an embodiment of the present invention.
  • FIG. 9 is a flowchart of still another method for transmitting data according to an embodiment of the present invention.
  • FIG. 10 is a flowchart of still another method for transmitting data according to an embodiment of the present invention.
  • FIG. 11 is a flowchart of still another method for transmitting data according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a 0.5 ms TTI user equipment and a 1 ms TTI user equipment frequency hopping area according to an embodiment of the present invention.
  • the embodiment of the present invention further provides an apparatus for transmitting data, where the apparatus may be located in a TTI user equipment supporting a 0.5 ms transmission time interval for improving utilization of transmission resources.
  • the apparatus includes: receiving The unit 101, the acquisition unit 102, the determination unit 103, and the data transmission unit 104.
  • the receiving unit 101 is located in the user equipment, and is configured to receive the authorization indication information sent by the base station.
  • the obtaining unit 102 is located in the user equipment, and is configured to obtain an index of the virtual resource block VRB resource indicated in the authorization indication information.
  • the determining unit 103 is located in the user equipment, and is configured to determine an index of the physical resource block PRB resource according to an index of the VRB resource and by using a frequency hopping manner.
  • the data transmission unit 104 is located in the user equipment, and is configured to perform data transmission on the PRB resource corresponding to the index of the PRB resource.
  • the receiving unit 101 is located in the user equipment, and is further configured to receive a system message block SIB message sent by the base station.
  • the SIB message is used to indicate the frequency hopping information of the user equipment, and the frequency hopping information is used to indicate the selected frequency hopping mode, frequency hopping offset, and number of subbands when the user equipment performs frequency hopping.
  • the determining unit 103 specifically includes: an obtaining module 1031, a determining module 1032;
  • the obtaining module 1031 is located in the user equipment, and is configured to obtain a frequency hopping type corresponding to the user equipment indicated in the authorization information.
  • the determining module 1032 is located in the user equipment, and is configured to: according to the time slot indicating that the user equipment currently transmits data, the index of the VRB resource corresponding to the time slot in which the user equipment currently transmits data, and the frequency hopping type corresponding to the user equipment and the SIB according to the authorization indication information.
  • the frequency hopping information of the user equipment indicated by the message determines the index of the PRB resource.
  • the determining module 1032 is located in the user equipment, where the time slot indicating that the user equipment currently transmits data in the authorization indication information is the first time slot, and the frequency hopping type of the user equipment is Type1. And the frequency hopping mode of the user equipment is the intra-subframe inter-subframe hopping, and the index of the PRB resource is an index of the VRB resource corresponding to the time slot of the current transmission data of the user equipment indicated in the authorization indication information.
  • the determining module 1032 is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot of the user equipment currently transmitting data is the second time slot, the frequency hopping type of the user equipment is Type 1, and the frequency hopping mode of the user equipment is When the inter-frame hopping is performed, the index of the PRB resource is determined as an index of the PRB resource obtained by performing frequency hopping based on the index of the VRB resource indicated in the authorization indication information.
  • the determining module 1032 is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot in which the user equipment currently transmits data is the first time slot, and the frequency hopping type of the user equipment is Type 2, and the frequency hopping mode of the user equipment is When the inter-frame intra-subframe frequency hopping and the number of sub-bands are 1, the index of the PRB resource is determined to be an index of the VRB resource indicated in the authorization indication information.
  • the determining module 1032 is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot of the user equipment currently transmitting data is the second time slot, and the frequency hopping type of the user equipment is Type 2, and the frequency hopping mode of the user equipment is
  • the index of the PRB resource is determined by the index of the PRB resource obtained by mirroring the index of the VRB resource indicated in the indication information in the authorization indication.
  • the determining module 1032 is located in the user equipment, and is further configured to: when the authorization indication information indicates that the frequency hopping type of the user equipment is Type 2, the frequency hopping mode of the user equipment is inter-subframe plus intra-subframe frequency hopping, and the number of subbands is greater than At 1 o'clock, the index of the PRB resource corresponding to the user equipment is determined according to the index of the VRB resource indicated in the authorization indication information.
  • the frequency hopping information includes: a frequency hopping mode of the user equipment, a number of subbands, and the frequency hopping offset.
  • the obtaining module 1031 is located in the user equipment, and is specifically configured to obtain the current number of transmissions.
  • the determining module 1032 is located in the user equipment, and is further configured to: when the current number of transmissions is an even number and the indication information indicating that the user equipment corresponding to the hopping type is Type1, determining that the index of the PRB resource is the authorization indication information corresponding to the current transmission The index of the VRB resource indicated in .
  • the determining module 1032 is located in the user equipment, and is further configured to determine that the index of the PRB resource is based when the current number of transmissions is even, the number of subbands is 1, and the hopping type corresponding to the user equipment is Type 2 in the authorization indication information.
  • the determining module 1032 is located in the user equipment, and is further configured to determine that the index of the PRB resource is an authorization indication corresponding to the current transmission when the current number of transmissions is an odd number and the indication information indicating that the user equipment corresponds to the hopping type is Type1.
  • the index of the VRB resource indicated in the information is the index of the PRB resource obtained after the reference hopping.
  • the determining module 1032 is located in the user equipment, and is further configured to: when the current number of transmissions is an odd number, the number of subbands is 1, and the hopping type corresponding to the user equipment is Type 2 in the authorization indication information, determining an index of the PRB resource is The index of the VRB resource indicated in the authorization indication information corresponding to the current transmission is the index of the PRB resource obtained after the reference hopping.
  • the determining module 1032 is located in the user equipment, and is further configured to: when the number of subbands is greater than 1 and the hopping type corresponding to the user equipment in the authorization indication information is Type 2, according to the VRB indicated in the authorization indication information corresponding to the current transmission.
  • the index of the resource determines the index of the PRB resource corresponding to the user equipment.
  • the determining module 1032 is located in the user equipment, and is specifically configured to use the index and formula of the VRB resource indicated in the authorization indication information corresponding to the current transmission.
  • the index of the PRB resource corresponding to the user equipment is determined.
  • n PRB (n s ) is the index of the PRB resource, among them, n s is the slot number, and N sb is the number of subbands.
  • n PRB (n s ) is the index of the PRB resource, among them, n s is the slot number, and N sb is the number of subbands.
  • An index of the VRB resource indicated in the authorization indication information, c(k) represents a pseudo-random sequence with k as a variable, and c(i ⁇ 10) represents a pseudo-random sequence with i ⁇ 10 as a variable.
  • the frequency hopping information includes: a frequency hopping mode of the user equipment and a frequency hopping offset.
  • the obtaining module 101 is located in the user equipment, and is specifically configured to acquire the number of transmissions of the data transmission when the frequency hopping mode of the user equipment is hopping between subframes.
  • the determining unit 1032 is located in the user equipment, and is further configured to use an index and a formula of the VRB resource indicated in the authorization indication information. Determine the index of the PRB resource.
  • CURRENT_TX_NB is the number of transmissions of data transmission
  • n s is the slot number.
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping mode of the user equipment and a frequency hopping offset.
  • the determining module 1032 is located in the user equipment, and is used to: when the frequency hopping mode of the user equipment is intra-subframe hopping, the index and formula of the VRB resource indicated in the authorization indication information. Determine the index of the PRB resource.
  • n s is the slot number
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping offset of the user equipment.
  • the obtaining module 1031 is located in the user equipment, and is specifically configured to acquire the number of transmissions of the data transmission.
  • the determining module 1032 is located in the user equipment, and is further configured to use an index and a formula of the VRB resource indicated in the authorization indication information. Determine the index of the PRB resource.
  • n PRB (n s ) is the index of the PRB resource
  • n s is the slot number
  • CURRENT_TX_NB is the number of transmissions of the data transmission.
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • the user equipment is a TTI user equipment supporting a 0.5 ms transmission time interval, and the user equipment first receives the authorization indication information sent by the base station, and then obtains an index of the virtual resource block VRB resource indicated in the authorization indication information. Secondly, according to the index of the VRB resource and the frequency hopping mode, the index of the physical resource block PRB resource is determined, and finally the data transmission is performed on the PRB resource corresponding to the index of the PRB resource.
  • the 0.5 ms TTI user equipment determines the PRB according to the index of the VRB resource indicated in the authorization indication information sent by the base station and determines the frequency of the PRB by using the frequency hopping method.
  • An index of the resource so that the user equipment can perform data transmission on the PRB resource corresponding to the index, and when the user equipment of the 0.5 ms TTI performs data transmission, the minimum resource for data transmission is a resource block instead of a resource block pair. So that the user equipment can perform data transmission on the resource block, thereby improving the utilization of transmission resources.
  • an embodiment of the present invention provides an apparatus for transmitting data, where a user equipment determines an index of a PRB resource by using a subband of 1, only a mirroring, and no subband offset, so that a user of 0.5 ms TTI can be used.
  • the device and the 1msTTI user equipment have separate frequency hopping areas.
  • the probability of collision can be reduced.
  • the base station performs data transmission on the user equipment of the 0.5 ms TTI
  • the remaining resources are allocated to the user equipment of the 1 ms TTI for dynamic scheduling, so that the resources can be fully utilized, thereby avoiding waste of resources.
  • the embodiment of the present invention further provides a user equipment supporting a 0.5 ms TTI.
  • the user equipment supporting the 0.5 ms TTI includes: a receiver 301, a processor 302, a transmitter 303, and a memory 304.
  • the receiver 301, the transmitter 303, and the memory 304 are respectively connected to the processor 302.
  • the receiver 301 is located in the user equipment and is configured to receive the authorization indication information sent by the base station.
  • the processor 302 is located in the user equipment, and is configured to obtain an index of the virtual resource block VRB resource indicated in the authorization indication information.
  • the processor 302 is located in the user equipment, and is further configured to determine an index of the physical resource block PRB resource according to an index of the VRB resource and by using a frequency hopping manner.
  • the processor 302 is located in the user equipment, and is further configured to perform data transmission on the PRB resource corresponding to the index of the PRB resource.
  • the receiver 301 is located in the user equipment, and is further configured to receive a system message block SIB message sent by the base station.
  • the SIB message is used to indicate the frequency hopping information of the user equipment, and the frequency hopping information is used to indicate the selected frequency hopping mode, frequency hopping offset, and number of subbands when the user equipment performs frequency hopping.
  • the processor 302 is located in the user equipment, and is specifically configured to obtain a frequency hopping type corresponding to the user equipment indicated in the authorization information.
  • the processor 302 is located in the user equipment, and is further configured to: according to the time slot indicating that the user equipment currently transmits data, the index of the VRB resource corresponding to the time slot in which the user equipment currently transmits data, and the frequency hopping type corresponding to the user equipment, according to the authorization indication information. And the frequency hopping information of the user equipment indicated by the SIB message, and determining an index of the PRB resource.
  • the processor 302 is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot of the user equipment currently transmitting data is the first time slot, the frequency hopping type of the user equipment is Type1, and the frequency hopping mode of the user equipment is When the inter-frame intra-subframe frequency hopping is performed, the index of the PRB resource is determined as an index of the VRB resource corresponding to the time slot in which the user equipment currently transmits data indicated in the authorization indication information.
  • the processor 302 is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot of the user equipment currently transmitting data is the second time slot, the frequency hopping type of the user equipment is Type 1, and the frequency hopping mode of the user equipment is When inter-frame hopping is performed between frames, the index of the PRB resource is determined to be
  • the index of the VRB resource indicated in the authorization indication information is an index of the PRB resource obtained after the frequency hopping.
  • the processor 302 is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot of the user equipment currently transmitting data is the first time slot, and the frequency hopping type of the user equipment is Type 2, and the frequency hopping mode of the user equipment is When the inter-frame intra-subframe frequency hopping and the number of the sub-bands are 1, the index of the PRB resource is determined to be an index of the VRB resource indicated in the authorization indication information.
  • the processor 302 is located in the user equipment, and is further configured to: when the authorization indication information indicates that the time slot of the user equipment currently transmitting data is the second time slot, and the frequency hopping type of the user equipment is Type 2, and the frequency hopping mode of the user equipment is
  • the index of the PRB resource is determined by the index of the PRB resource obtained by mirroring the index of the VRB resource indicated in the indication information in the authorization indication.
  • the processor 302 is located in the user equipment, and is further configured to: when the authorization indication information indicates that the frequency hopping type of the user equipment is Type 2, the frequency hopping mode of the user equipment is inter-subframe plus intra-subframe frequency hopping, and the number of subbands is greater than At 1 o'clock, the index of the PRB resource corresponding to the user equipment is determined according to the index of the VRB resource indicated in the authorization indication information.
  • the processor 302 is located in the user equipment, and is specifically configured to be used according to the index and formula of the VRB resource indicated in the authorization indication information. Determine the PRB index corresponding to the user equipment.
  • i n s
  • N sb is the number of subbands.
  • An index of the VRB resource indicated in the authorization indication information, c(k) represents a pseudo-random sequence with k as a variable, and c(i ⁇ 10) represents a pseudo-random sequence with i ⁇ 10 as a variable.
  • the frequency hopping information includes: a frequency hopping mode of the user equipment, a number of subbands, and a frequency hopping offset.
  • the processor 302 is located in the user equipment, and is specifically used to obtain the current number of transmissions.
  • the processor 302 is located in the user equipment, and is further configured to: when the current number of transmissions is an even number and the indication information indicating that the user equipment corresponding to the hopping type is Type1, determining that the index of the PRB resource is the authorization indication information corresponding to the current transmission The index of the VRB resource indicated in .
  • the processor 302 is located in the user equipment, and is specifically configured to determine that the index of the PRB resource is based when the current number of transmissions is even, the number of subbands is 1, and the hopping type corresponding to the user equipment is Type 2 in the authorization indication information.
  • the processor 302 is located in the user equipment, and is further configured to determine that the index of the PRB resource is an authorization indication corresponding to the current transmission when the current number of transmissions is an odd number and the indication information indicating that the user equipment corresponding to the hopping type is Type1.
  • the index of the VRB resource indicated in the information is the index of the PRB resource obtained after the reference hopping.
  • the processor 302 is located in the user equipment, and is further configured to: when the current transmission times are odd, the number of subbands is 1, and the hopping type corresponding to the user equipment is Type 2 in the authorization indication information, determine that the index of the PRB resource is The index of the VRB resource indicated in the authorization indication information corresponding to the current transmission is the index of the PRB resource obtained after the reference hopping.
  • the processor 302 is located in the user equipment, and is further configured to: when the number of the subbands is greater than 1 and the hopping type corresponding to the user equipment in the authorization indication information is Type 2, the VRB indicated in the authorization indication information corresponding to the current transmission The index of the resource determines the index of the PRB resource corresponding to the user equipment.
  • the processor 302 is located in the user equipment, and is specifically configured to be used according to the index and formula of the VRB resource indicated in the authorization indication information corresponding to the current transmission.
  • the index of the PRB resource corresponding to the user equipment is determined.
  • n PRB (n s ) is the index of the PRB resource, among them, n s is the slot number, and N sb is the number of subbands.
  • n PRB (n s ) is the index of the PRB resource, among them, n s is the slot number, and N sb is the number of subbands.
  • An index of the VRB resource indicated in the authorization indication information, c(k) represents a pseudo-random sequence with k as a variable, and c(i ⁇ 10) represents a pseudo-random sequence with i ⁇ 10 as a variable.
  • the frequency hopping information includes: a frequency hopping mode of the user equipment and a frequency hopping offset.
  • the processor 302 is located in the user equipment, and is specifically configured to acquire the number of transmissions of the data transmission when the frequency hopping mode of the user equipment is hopping between subframes.
  • the processor 302 is located in the user equipment, and is specifically configured to be used according to the index and formula of the VRB resource indicated in the authorization indication information. Determine the index of the PRB resource.
  • CURRENT_TX_NB is the number of transmissions of data transmission
  • n s is the slot number.
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping mode of the user equipment and a frequency hopping offset.
  • the processor 302 is located in the user equipment, and is used to: when the frequency hopping mode of the user equipment is intra-subframe hopping, the index and formula of the VRB resource indicated in the authorization indication information. Determine the index of the PRB resource.
  • n s is the slot number
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • the frequency hopping information includes: a frequency hopping offset of the user equipment.
  • the processor 302 is located in the user equipment, and is specifically configured to acquire the number of transmissions of the data transmission.
  • the processor 302 is located in the user equipment, and is specifically configured to be used according to the index and formula of the VRB resource indicated in the authorization indication information. Determine the index of the PRB resource.
  • n PRB (n s ) is the index of the PRB resource
  • n s is the slot number
  • CURRENT_TX_NB is the number of transmissions of the data transmission.
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • the user equipment supporting the 0.5 ms TTI provided by the embodiment of the present invention, the user equipment is a TTI user equipment supporting a 0.5 ms transmission time interval, and the user equipment first receives the authorization indication information sent by the base station, and then obtains the virtual resource block VRB resource indicated in the authorization indication information.
  • the index is determined by the index of the VRB resource and the frequency hopping mode, and the index of the physical resource block PRB resource is determined. Finally, the data is transmitted on the PRB resource corresponding to the index of the PRB resource.
  • the 0.5 ms TTI user equipment according to the index of the VRB resource indicated in the authorization indication information sent by the base station, and the frequency hopping mode is adopted is compared with the current 1 ms TTI user equipment to determine the PRB resource block for data transmission. Determining an index of the PRB resource, so that the user equipment can perform data transmission on the PRB resource corresponding to the index, and when the user equipment of the 0.5 ms TTI performs data transmission, the minimum resource for data transmission is a resource block instead of a resource. Block pairs, so that the user equipment can perform data transmission on the resource block, thereby improving the utilization of transmission resources.
  • the embodiment of the present invention provides a user equipment supporting a 0.5 ms TTI.
  • the user equipment determines the index of the PRB resource according to the manner that the subband is 1, only the mirroring, and there is no subband offset, so that the 0.5 ms TTI can be obtained.
  • the user equipment and the frequency hopping area of the 1ms TTI user equipment are separated. In addition, the probability of collision can be reduced.
  • the base station performs data transmission on the user equipment of the 0.5 ms TTI, the remaining resources are allocated to the user equipment of the 1 ms TTI for dynamic scheduling, so that the resources can be fully utilized, thereby avoiding waste of resources.
  • the embodiment of the present invention provides a method for transmitting data, which can formulate a new frequency hopping scheme for a user equipment of 0.5 ms TTI, so that the user equipment of 0.5 ms TTI can perform data transmission on the corresponding PRB after frequency hopping.
  • the user equipment is a TTI user equipment supporting a 0.5 ms transmission time interval, and the method includes:
  • the user equipment receives the authorization indication information sent by the base station.
  • the user equipment receives the authorization indication information sent by the base station to indicate the virtual resource block when the user equipment performs frequency hopping (English full name: Virtual resource block, English abbreviation: Index of VRB).
  • the user equipment acquires a virtual resource block VRB resource indicated in the authorization indication information. lead.
  • the VRB is a time domain resource corresponding to the data transmission time slot of the user equipment
  • the physical resource block (English full name: Physical resource block, English abbreviation: PRB) is used for the time slot corresponding to the data transmission of the user equipment.
  • the frequency domain resource wherein the VRB resource and the PRB resource are one-to-one correspondence of the mapping.
  • the user equipment determines an index of the physical resource block PRB resource according to an index of the VRB resource and by using a frequency hopping manner.
  • the frequency hopping mode is a mapping relationship between the virtual resource block VRB allocated in the authorization indication received by the user equipment and the physical resource block PRB actually performing data transmission.
  • the user equipment may obtain an index of the VRB resource of the current time slot by using the received authorization indication sent by the base station.
  • the user equipment performs data transmission on the PRB resource corresponding to the index of the PRB resource.
  • the user equipment when the user equipment determines the index of the PRB resource that needs to perform data transmission, the user equipment will skip to the PRB resource block corresponding to the PRB resource index for data transmission.
  • the user equipment is a TTI user equipment supporting a 0.5 ms transmission time interval
  • the user equipment first receives the authorization indication information sent by the base station, and then obtains an index of the virtual resource block VRB resource indicated in the authorization indication information.
  • the index of the physical resource block PRB resource is determined, and finally the data transmission is performed on the PRB resource corresponding to the index of the PRB resource.
  • the 0.5 ms TTI user equipment determines the PRB according to the index of the VRB resource indicated in the authorization indication information sent by the base station and determines the frequency of the PRB by using the frequency hopping method.
  • An index of the resource so that the user equipment can perform data transmission on the PRB resource corresponding to the index, and when the user equipment of the 0.5 ms TTI performs data transmission, the minimum resource for data transmission is a resource block instead of a resource block pair. So that the user equipment can perform data transmission on the resource block, thereby improving the utilization of transmission resources.
  • step 403 the user equipment determines the physical resource according to the index of the VRB resource and by using a frequency hopping manner.
  • the index of the block PRB resource may be as shown in step 501 of FIG. 5. Therefore, the user equipment determines the index of the physical resource block PRB resource according to the index of the VRB resource and the frequency hopping mode, which may be specifically implemented as shown in FIG. Steps 502-503 shown in 5.
  • the user equipment receives a system message block SIB message sent by the base station.
  • the SIB message is used to indicate frequency hopping information of the user equipment, and the frequency hopping information is used to indicate the selected frequency hopping mode, frequency hopping offset, and number of subbands when the user equipment performs frequency hopping.
  • the system message block (English name: SIB) is a cell-level message, and the base station sends an SIB message to all user equipments in the cell every preset period.
  • SIB message carries frequency hopping information such as a frequency hopping subband number, a frequency hopping mode, and a frequency hopping offset.
  • the user equipment receives the SIB message to obtain the frequency hopping mode of the user equipment for frequency hopping through the SIB message.
  • the frequency hopping mode includes: inter-subframe frequency hopping and intra-subframe inter-subframe frequency hopping.
  • the user equipment acquires a frequency hopping type corresponding to the user equipment indicated in the authorization information.
  • the base station when the user equipment performs the uplink transmission, the base station sends an authorization indication message to the user equipment, so that the user equipment receives the authorization indication message sent by the base station, and can indicate the time slot of the current data transmission of the user equipment.
  • the hopping type includes: Type1 and Type2.
  • the user equipment receives the authorization indication sent by the base station, and the authorization indication information may indicate the current transmission by using a frequency hopping flag bit (Hopping Flag bit) in the Downlink Control Information (DCI). Whether the time interval user equipment hops.
  • a frequency hopping flag bit (Hopping Flag bit) in the Downlink Control Information (DCI).
  • DCI Downlink Control Information
  • the resource block allocation in the authorization indication and the first in the frequency hopping resource allocation domain The bit or the first two bits indicate that the frequency hopping type of the user equipment is Type1 or Type2.
  • the authorization indication can also indicate the hopping location of the user equipment; if the hopping type indicated in the authorization indication is Type 2, the user equipment is based on the cell pre- The defined frequency hopping position is frequency hopping, as shown in Table 1.
  • the user equipment indicates, according to the authorization indication information, a time slot in which the user equipment currently transmits data, an index of a VRB resource corresponding to a time slot in which the user equipment currently transmits data, a frequency hopping type corresponding to the user equipment, and a hop of the user equipment indicated by the SIB message.
  • Frequency information determining the index of the PRB resource.
  • the hopping type of the user equipment is different, and the hopping information of the user equipment in the SIB message is different, so the user equipment determines the index of the PRB resource according to the hopping information of the user equipment indicated in the authorization indication.
  • the frequency hopping information includes: a frequency hopping mode, a number of subbands, and a frequency hopping offset.
  • the frequency hopping mode may include: inter-subframe frequency hopping and intra-subframe inter-subframe hopping, and the number of subbands may be divided into a case where the number of subbands is 1 or greater, and a frequency hopping offset is used. Characterize the RB resources occupied by the PUCCH.
  • the user equipment can determine the frequency hopping information of the user equipment by using the frequency hopping information indicated in the SIB message, the index of the VRB resource of the current time slot indicated in the authorization indication, and the frequency hopping type corresponding to the user equipment. And the index of the corresponding PRB resource in the hopping type, so that the user equipment can transmit data on the PRB resource corresponding to the index of the corresponding PRB resource, and the index of the PRB resource corresponding to the user equipment can be determined by using different schemes.
  • an embodiment of the present invention provides a method for transmitting data, where a user equipment passes
  • the user equipment hopping information and the corresponding PRB resource under the hopping type can be determined according to the hopping information indicated in the SIB message, the index of the VRB resource of the current time slot indicated in the authorization indication, and the hopping type corresponding to the user equipment.
  • the index of the PRB resource corresponding to the index of the user equipment can be determined by using the different schemes to determine the index of the PRB resource corresponding to the user equipment.
  • the user equipment determines the index of the PRB resource, because the hopping frequency information is included in the SIB message received by the user equipment, and the hopping type indicated in the authorization indication received by the user equipment is different. The way is also different.
  • the mode corresponding to the user equipment may be intra-subframe inter-subframe frequency hopping, and the frequency hopping type may be Type1 or Type2.
  • the user equipment indicates, according to the authorization indication information, a time slot in which the user equipment currently transmits data, and a current transmission of the user equipment.
  • the index of the VRB resource corresponding to the time slot of the data and the hopping type corresponding to the user equipment and the hopping information of the user equipment indicated by the SIB message determine the index of the PRB resource, which can be specifically implemented as steps 601-605 as shown in FIG. 6 .
  • the frequency hopping information in step 503 includes: a frequency hopping mode, a number of subbands, and a frequency hopping offset of the user equipment.
  • the frequency hopping type of the user equipment is Type1
  • the frequency hopping mode of the user equipment is inter-subframe plus intra-subframe frequency hopping
  • each subframe is divided into two time slots. Specifically, if the frequency hopping mode in the SIB message received by the user equipment is inter-subframe plus intra-subframe frequency hopping, the hop indicated in the authorization indication If the frequency type is Type1, the user equipment of different time slots of each subframe in the user equipment determines the manner of the PRB index.
  • the index of the VRB resource indicated in the authorization indication received by the user equipment is 2
  • the index of the PRB resource corresponding to the user equipment in the first slot of each subframe in the user equipment is 2.
  • the frequency hopping mode of the user equipment is Type 1
  • the frequency hopping mode of the user equipment is a subframe plus subframe. If the internal frequency hopping is performed, the user equipment determines that the index of the PRB resource is an index of the PRB resource obtained by performing frequency hopping based on the index of the VRB resource indicated in the authorization indication information.
  • the hopping type of the user equipment is Type1
  • the hopping position corresponding to the user equipment is indicated in the authorization indication, so the second user equipment in each time slot determines that the index of the PRB resource is The index of the VRB resource obtained by using the index of the VRB resource indicated in the indication information in the authorization indication is used as a reference.
  • the user equipment may determine the index of the PRB resource according to the index of the VRB resource indicated in the authorization indication and Equation 1.
  • the above hopping frequency is 1 bit (bit) as an example, and is obtained according to the information indicated in the authorization indication. That is, the index of the smallest VRB resource allocated in the authorization indication, and then according to get Because the frequency hopping does not include the RB resources occupied by the PUCCH, it is necessary to Lose. Then according to Obtain the minimum occupied by the second time slot PUSCH among them, If Odd, then If Odd, then Last according to Calculate the actual system number.
  • PUCCH occupies 2 VRBs
  • the frequency hopping mode is a sub-frame inter-subframe frequency hopping
  • the frequency hopping mode of the user equipment is inter-subframe plus intra-subframe frequency hopping and subband If the number is 1, the user equipment determines that the index of the PRB resource is an index of the VRB resource indicated in the authorization indication information.
  • the user equipment first obtains the number of times the user equipment performs current data transmission. Among them, the user equipment If the number of times of the pre-data transmission is different, the user equipment determines the index of the PRB resource according to the index of the VRB resource, and the number of sub-bands is different, and the manner of determining the index of the PRB resource is also different.
  • the index of the corresponding PRB resource of the user equipment is an index of the VRB resource indicated in the authorization indication corresponding to the data transmission.
  • the user equipment determines that the current number of data transmissions is an even number, the number of subbands is 1, and the index of the VRB resource indicated in the authorization indication corresponding to the current data transmission is 1, and the user equipment determines that the index of the corresponding PRB resource is 1. .
  • the frequency hopping mode of the user equipment is inter-subframe plus intra-subframe frequency hopping and subband If the number is 1, the user equipment determines that the index of the PRB resource is an index of the PRB resource obtained by mirroring the index of the VRB resource indicated in the indication information in the authorization indication.
  • the user equipment performs the index according to formula 2 to determine the index of the PRB resource, so that the frequency hopping is performed to Data transmission is performed on the PRB resource corresponding to the PRB index.
  • n s is the slot number
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • the hopping type of the user equipment is the Type 2, and the hopping mode of the user equipment is the inter-subframe plus intra-subframe hopping and the number of the sub-bands is greater than 1, the user equipment is instructed according to the authorization indication information.
  • the index of the VRB resource determines the index of the PRB resource corresponding to the user equipment.
  • the step 605 may include: an index and a formula of the VRB resource indicated by the user equipment according to the authorization indication information. Determine the PRB index corresponding to the user equipment.
  • n PRB (n s ) is the index of the PRB resource
  • i n s
  • N sb is the number of subbands
  • c(k) represents a pseudo-random sequence with k as a variable
  • c(i ⁇ 10) represents a pseudo-random sequence with i ⁇ 10 as a variable.
  • the hopping mode corresponding to the user equipment may be a sub-frame inter-subframe frequency hopping hopping type of Type 1 and Type 2, however, the hopping mode of the user equipment is a sub-frame.
  • the inter-subframe frequency hopping or the inter-subframe frequency hopping may determine the index of the PRB resource corresponding to the user equipment according to the frequency hopping mode of the inter-subframe frequency hopping.
  • the user equipment indicates, according to the authorization indication information, a time slot in which the user equipment currently transmits data, and a current transmission of the user equipment.
  • the index of the VRB resource corresponding to the time slot of the data and the hopping type of the user equipment and the hopping information of the user equipment indicated by the SIB message determine the index of the PRB resource, which can be specifically implemented as steps 701-706 as shown in FIG. 7 .
  • the frequency hopping information in step 503 includes: a frequency hopping mode of the user equipment, a number of subbands, and the frequency hopping offset.
  • the user equipment acquires the current number of transmissions.
  • the user equipment first obtains the number of transmissions corresponding to the current transmission, and then determines, according to the number of transmissions, the number of transmissions to be an odd number or an even number.
  • the user equipment determines that the index of the PRB resource is an index of the VRB resource indicated in the authorization indication information corresponding to the current transmission.
  • the frequency hopping is performed according to the frequency hopping mode between the subframes.
  • the frequency hopping type in the authorization indication information of the current transmission is Type1 and the current number of transmissions by the user equipment is an even number
  • the frequency domain location of the current data transmission performed by the user equipment, that is, the index of the PRB resource is The VRB indicated in the authorization indication information The index of the resource.
  • the user equipment determines that the index of the PRB resource is the indication in the authorization indication information corresponding to the current transmission.
  • the index of the VRB resource is the index of the PRB resource.
  • the frequency hopping type in the authorization indication of the current transmission is Type1
  • the current number of transmissions received by the user equipment is even, and the number of subbands indicated in the SIB message is 1
  • the user equipment performs the current data.
  • the frequency domain location of the transmission, that is, the index of the PRB resource is the index of the VRB resource indicated in the authorization indication.
  • the index of the VRB resource indicated in the current transmission grant indication is 1
  • the frequency domain location of the current data transmission by the user equipment, that is, the index of the PRB resource is 1.
  • the user equipment determines that the index of the PRB resource is the index of the VRB resource indicated by the authorization indication information corresponding to the current transmission.
  • the index of the PRB resource obtained after the reference hopping.
  • the hopping type indicated in the received authorization indication information is Type1
  • the current transmission number currently determined by the user equipment is an odd number
  • the user equipment currently performs data.
  • the index of the transmitted PRB resource is an index of the PRB resource obtained by performing frequency hopping based on the index of the VRB resource indicated in the current authorization indication information.
  • the user equipment determines that the index of the PRB resource is in the authorization indication information corresponding to the current transmission.
  • the index of the indicated VRB resource is an index of the PRB resource obtained after the reference hopping.
  • the frequency hopping type indicated in the authorization indication received by the user equipment during the current data transmission is Type 2
  • the current transmission number currently determined by the user equipment is an odd number
  • the number of subbands indicated in the SIB message is If the value is 1, the index of the PRB resource that the user equipment is currently performing data transmission is the index of the PRB resource obtained by performing frequency hopping based on the index of the VRB resource indicated in the current authorization indication.
  • the user equipment determines the index of the PRB resource corresponding to the user equipment according to the index of the VRB resource indicated in the authorization indication information corresponding to the current transmission.
  • the step 706 may include: an index and a formula of the VRB resource indicated by the user equipment according to the authorization indication information corresponding to the current transmission.
  • the index of the PRB resource corresponding to the user equipment is determined.
  • n PRB (n s ) is the index of the PRB resource, among them, n s is the slot number, and N sb is the number of subbands.
  • n PRB (n s ) is the index of the PRB resource, among them, n s is the slot number, and N sb is the number of subbands.
  • An index of the VRB resource indicated in the authorization indication information, c(k) represents a pseudo-random sequence with k as a variable, and c(i ⁇ 10) represents a pseudo-random sequence with i ⁇ 10 as a variable.
  • the PRB resource corresponding to the user equipment may be determined according to the inter-subframe hopping scheme. Index, but when the frequency hopping mode of the user equipment is hopping between subframes, the hopping mode corresponding to the user equipment is Type1 or Type2, which can be determined according to Type2. The index of the PRB resource.
  • the user equipment indicates, according to the authorization indication information, a time slot in which the user equipment currently transmits data, and a current transmission of the user equipment.
  • the index of the VRB resource corresponding to the time slot of the data and the hopping type corresponding to the user equipment and the hopping information of the user equipment indicated by the SIB message determine the index of the PRB resource, which can be specifically implemented as steps 901-902 as shown in FIG.
  • the frequency hopping information in step 503 includes: a frequency hopping mode of the user equipment and a frequency hopping offset.
  • the user equipment acquires the number of transmissions of the data transmission.
  • the user equipment needs to first obtain the number of transmissions of the current data transmission.
  • the user equipment determines, according to the current number of transmissions of the data transmission by the user equipment, an even or an odd number to determine different methods for determining the PRB resource index.
  • the user equipment determines an index of the PRB resource according to the index of the VRB resource indicated in the authorization indication information and the formula 1.
  • n PRB (n s ) is the index of the PRB resource
  • CURRENT_TX_NB is the number of transmissions of the data transmission
  • n s is the slot number.
  • the number of upstream bandwidth RBs n VRB is a set of consecutive resource blocks that are assigned to indicate.
  • the frequency hopping mode corresponding to the user equipment may be an intra-subframe inter-subframe hopping, and the index of the PRB resource corresponding to the user equipment may be determined according to the Type 2, regardless of the hopping type being Type1 or Type2.
  • the user equipment can ensure the frequency resource corresponding to the user equipment of the 0.5 ms TTI, regardless of whether the corresponding hopping type is Type 1 or Type 2, and the number of the sub-bands is 1, and the index of the PRB resource is determined. It is always at both ends of the frequency band, so that the probability of collision between the user equipment of 0.5 ms TTI and the user equipment of 1 ms TTI can be reduced.
  • the embodiment of the present invention provides another method for transmitting data, where the user equipment does not
  • the corresponding hopping type is Type1 or Type2 is according to Type2, and the number of subbands is 1, and the index of the PRB resource is determined, which can ensure that the frequency resource corresponding to the user equipment of the 0.5ms TTI is always at both ends of the frequency band, thereby reducing The probability of collision between the user equipment of 0.5 ms TTI and the user equipment of 1 ms TTI.
  • the user equipment indicates, according to the authorization indication information, a time slot in which the user equipment currently transmits data, and a current transmission of the user equipment.
  • the index of the VRB resource corresponding to the time slot of the data and the frequency hopping type of the user equipment and the frequency hopping information of the user equipment indicated by the SIB message determine the index of the PRB resource, which may be specifically implemented as step 1001 shown in FIG.
  • the frequency hopping information in 503 includes: the frequency hopping information includes: a frequency hopping mode of the user equipment and a frequency hopping offset.
  • the user equipment determines the index of the PRB resource according to the index of the VRB resource indicated in the authorization indication information and the formula 2.
  • n s is the slot number
  • n VRB is a set of consecutive resource blocks indicating allocation.
  • the user equipment is in accordance with the above formula, regardless of whether the hopping type of the user equipment is Type1 or Type2. Determine the index of the PRB resource.
  • the user equipment can determine the index of the PRB resource by using the foregoing solution.
  • the foregoing solution is to determine the index of the PRB resource according to the manner that the sub-band is 1, so that the user equipment of the 0.5 ms TTI and the user equipment of the 1 ms TTI can be ensured.
  • the frequency hopping areas are separated, so that the probability of collision can be reduced.
  • the frequency hopping mode is intra-subframe accelerated inter-frame frequency hopping or inter-frame frequency hopping
  • the frequency hopping type is Type1 or Type2
  • the following may be performed, that is, the frequency hopping mode.
  • the formula is the inter-subframe frequency hopping and the hopping type is Type 2 to determine the index of the PRB resource.
  • the embodiment of the present invention provides another method for transmitting data, and the user equipment can determine the index of the PRB resource by using the foregoing solution, because the foregoing solution determines the index of the PRB resource according to the manner that the sub-band is 1, thereby ensuring The frequency hopping area of the user equipment of the 0.5 ms TTI and the user equipment of the 1 ms TTI are separated, and the collision probability can be reduced.
  • the user equipment indicates, according to the authorization indication information, a time slot in which the user equipment currently transmits data, and a current transmission of the user equipment.
  • the index of the VRB resource corresponding to the time slot of the data and the hopping type of the user equipment and the hopping information of the user equipment indicated by the SIB message determine the index of the PRB resource, which can be specifically implemented as steps 1101-1102 shown in FIG.
  • the frequency hopping information in step 503 includes: a frequency hopping offset of the user equipment.
  • the user equipment acquires the number of transmissions of data transmission.
  • the number of transmissions of the current transmission of the user equipment needs to be first collected.
  • the number of times the user equipment currently performs data transmission is 6.
  • the user equipment determines the index of the PRB resource according to the index of the VRB resource indicated in the authorization indication information and the formula 3.
  • n PRB is the index of the PRB resource
  • CURRENT_TX_NB is the number of transmissions of the data transmission
  • n VRB is a set of consecutive resource blocks indicating the allocation.
  • the index of the PRB resource is determined according to the frequency hopping mode of the Type 2, regardless of whether the hopping type indicated in the authorization indication corresponding to the current transmission received by the user equipment is Type 1 or Type 2.
  • the frequency hopping mode indicated in the SIB message received by the user equipment is intra-subframe and inter-subframe frequency hopping or inter-frame frequency hopping
  • the frequency hopping mode according to the inter-subframe frequency hopping is adopted.
  • the index of the PRB resource corresponding to the current transmission of the user equipment is determined.
  • the number of transmissions of the current data transmission is 3, the index of the VRB resource is 2, and the number of VRBs of the uplink bandwidth is 4.
  • the index of the PRB resource corresponding to the current transmission is 0.
  • the index of the PRB resource is determined by the user equipment according to the inter-subframe frequency hopping manner. The location of the data transmission, so that the gain of frequency diversity at retransmission can be obtained.
  • the user equipment determines the index of the PRB resource according to the manner that the subband is 1, only the mirroring, and there is no subband offset, so that the user equipment of the 0.5 ms TTI and the frequency hopping area of the user equipment of the 1 ms TTI can be used. separate. In turn, the probability of collision can be reduced.
  • the base station may allocate the unused resources of the user equipment of the 0.5 ms TTI to the user equipment of the 1 ms TTI for dynamic scheduling.
  • the frequency hopping offset of the user equipment of the 1 ms TTI takes into account the resources used by the user equipment of the 0.5 ms TTI, and ensures the frequency hopping conflict between the 1 ms TTI user equipment and the 0.5 ms TTI user equipment.
  • the remaining resources are allocated to the user equipment of the 1 ms TTI for dynamic scheduling, so that the resources can be fully utilized, thereby avoiding waste of resources.
  • the method for transmitting data in FIG. 9, FIG. 10 and FIG. 11 can ensure that the resources used by the user equipment of the 0.5 ms TTI are always located at both ends of the frequency band, as shown in FIG. 12 .
  • the embodiment of the present invention provides another method for transmitting data.
  • the user equipment determines the index of the PRB resource according to the manner that the subband is 1, only the mirroring, and there is no subband offset, so that the 0.5 ms TTI can be
  • the frequency hopping areas of the user equipment and the user equipment of the 1 ms TTI are separated.
  • the probability of collision can be reduced.
  • the base station performs data transmission on the user equipment of the 0.5 ms TTI, the remaining resources are allocated to the user equipment of the 1 ms TTI for dynamic scheduling, so that the resources can be fully utilized, thereby avoiding waste of resources.
  • the device for transmitting data may implement the foregoing method embodiment.
  • the method and device for transmitting data and the user equipment supporting the 0.5 ms TTI provided by the embodiment of the present invention can be applied to the user equipment of the 0.5 ms TTI to determine the index of the PRB resource by using frequency hopping, and perform data on the PRB resource corresponding to the PRB index. Transfer, but not limited to this.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (Random Access). Memory, RAM), 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 et un dispositif de transmission de données, ainsi qu'un dispositif d'utilisateur, se rapportant au domaine technique de l'information et accroissant l'utilisation de ressources de transmission. Le procédé comporte les étapes suivantes: un dispositif d'utilisateur reçoit des informations d'indication d'autorisation envoyées par une station de base, obtient un index de ressources de blocs de ressources virtuelles (VRB) indiqué dans les informations d'indication d'autorisation, détermine un index de ressources de blocs de ressources physiques (PRB) d'après l'index des ressources de VRB et via un moyen de saut de fréquence, et effectue une transmission de données sur les ressources de PRB correspondant à l'index des ressources de PRB, le dispositif d'utilisateur étant un dispositif d'utilisateur prenant en charge un intervalle de temps de transmission (TTI) de 0,5 ms. La présente invention convient à un dispositif d'utilisateur présentant un TTI de 0,5 ms pour déterminer un index de ressources de PRB via un moyen de saut de fréquence, et effectuer une transmission de données sur les ressources de PRB correspondant à l'index de PRB.
PCT/CN2015/080719 2015-06-03 2015-06-03 Procédé et dispositif de transmission de données, et dispositif d'utilisateur WO2016192065A1 (fr)

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CN201580080430.1A CN107615850B (zh) 2015-06-03 2015-06-03 传输数据的方法及装置及用户设备
PCT/CN2015/080719 WO2016192065A1 (fr) 2015-06-03 2015-06-03 Procédé et dispositif de transmission de données, et dispositif d'utilisateur

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EP2448158A2 (fr) * 2009-07-26 2012-05-02 LG Electronics Inc. Procédé et appareil de transmission en liaison montante dans un système de communication sans fil
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