WO2017167137A1 - Procédé et dispositif de transmission de signal - Google Patents

Procédé et dispositif de transmission de signal Download PDF

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Publication number
WO2017167137A1
WO2017167137A1 PCT/CN2017/078193 CN2017078193W WO2017167137A1 WO 2017167137 A1 WO2017167137 A1 WO 2017167137A1 CN 2017078193 W CN2017078193 W CN 2017078193W WO 2017167137 A1 WO2017167137 A1 WO 2017167137A1
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WO
WIPO (PCT)
Prior art keywords
area
signal
subframe
bru
punctured
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Application number
PCT/CN2017/078193
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English (en)
Chinese (zh)
Inventor
郝鹏
张峻峰
李剑
鲁照华
Original Assignee
中兴通讯股份有限公司
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Publication of WO2017167137A1 publication Critical patent/WO2017167137A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames

Definitions

  • the present application relates to, but is not limited to, the field of communications, and more particularly to a signal transmission method and apparatus.
  • the new generation of mobile communication systems will be systematically networked on carrier frequencies higher than those used in 2G, 3G, and 4G systems.
  • frequency bands are mainly 3GHz to 6GHz, 6GHz to 100GHz.
  • a frequency band is basically in the centimeter band and the millimeter band, and its propagation characteristics are significantly different from the lower frequency band.
  • FDD Frequency Division Duplexing
  • TDD Time Division Duplexing
  • the channel reciprocity of the system is more conducive to functioning in such high frequency bands.
  • the TDD mode also helps to reduce the cost and system overhead of using large-scale antenna arrays.
  • TDD transmission-to-distance division duplex
  • BRU basic resource unit
  • a BRU includes a downlink area, an uplink area, and a guard interval, where the downlink area includes one or more of downlink control signaling (DL Control, DL Ctrl), downlink pilot (RS), and downlink data;
  • the area includes one or more of uplink control signaling (UL Control, UL Ctrl) and uplink data.
  • the self-feedback is an uplink feedback of the DL Control and the DL data, such as a HARQ (Hybrid Automatic Repeat reQuest), a positive or negative acknowledgement (ACK/NACK), and a CSI (Channel State Information).
  • Feedback information such as information can be transmitted in the same subframe without being transmitted across multiple subframes.
  • wireless networks need to support diverse services, such as wide-area coverage services that are designed to support transmission efficiency, and services that are sensitive to delay and require low latency.
  • wide-area coverage services that are designed to support transmission efficiency
  • services that are sensitive to delay and require low latency due to the overhead of the frame structure, the longer the basic resource unit is, the smaller the overhead is, and the longer the basic resource unit is, the more difficult it is to support the low-latency service, which is a contradiction.
  • the present application proposes a signal transmission method and apparatus, which can improve the problem that the delay sensitivity and the transmission efficiency are contradictory.
  • the present application provides a signal transmission method, the method comprising:
  • the terminal determines the punched area based on the basic resource unit (BRU);
  • the terminal transmits signals in a non-punctured area within the subframe.
  • the signal transmission method may further include: the terminal acquiring related information of the area for puncturing;
  • the terminal acquires related information of the area for puncturing in the following manner: the terminal receives related information of the area for punching that is notified by the base station through broadcast signaling, multicast signaling, or UE-specific signaling;
  • the related information of the area for punching may include one or more of the following information:
  • the resource allocation manner includes whether to punch, and in the case of puncturing, the resource allocation manner further includes an indication Resources used to transfer data and resources indicated for puncturing.
  • the configuration of the BRU or a subframe may include one or more of the following: a resource configuration situation of an uplink control channel region, a downlink control channel region resource configuration, and data in a BRU or a subframe.
  • the configuration of the area resource the configuration of the guard interval (GP), the resource allocation of the uplink reference signal area, and the resource allocation of the downlink reference signal area.
  • GP guard interval
  • the determining the punched area based on the BRU may include the following manner At least one of:
  • the punctured area comprises one or more signal areas in the BRU; wherein the BRU comprises a plurality of signal areas;
  • Determining the punctured area includes one or more BRUs in the subframe.
  • the signal region may include one or more of the following:
  • the signal transmission method may further include: the terminal puncturing the sub-frame TTI according to the determined punctured area.
  • the puncturing of the terminal may include: blanking the punctured area by rate matching the portion of the transmitted signal data.
  • the length of the subframe may be an integer multiple k of the BRU, k is greater than or equal to 1, and the subframe length exists in at least one of the systems.
  • the subframe may inherit one or more of the following transmission mechanisms: a transmission mechanism of control information of the BRU; a transmission mechanism of a reference signal of the BRU; and a transmission mechanism of data of the BRU.
  • the transmission mechanism of the subframe inheriting the control information of the BRU may include:
  • At least one of the transmission mechanism of the downlink control information and the transmission mechanism of the downlink reference signal is inherited by the first BRU in the subframe, and the transmission mechanism of the uplink control information and the transmission of the uplink reference signal are inherited in the last BRU in the subframe. At least one of the mechanisms.
  • the transmission mechanism may include one or more of the following: time-frequency resource occupation, internal symbol structure, function, and transmission method.
  • the transmitting of the signal by the terminal in the non-punctured area within the subframe may include: The transmitted signal data portion is rate matched and transmitted.
  • the signal transmission method may further include: the terminal transmitting a signal in the punctured area; or the puncturing area is used for signal transmission of another terminal or a base station.
  • the signal transmitted by the terminal in the punctured area is different from the signal transmitted in the non-punched area adjacent to the punctured area.
  • a signal transmitted in a non-punched area adjacent to the punctured area is data
  • a signal transmitted in the punctured area is a control signal, a reference signal, or an entire subframe.
  • the signal transmitted by the punctured area may include at least one of the following: control information; reference signal; data; the entire subframe.
  • control information is set to be the same as the time-frequency domain resource occupation, the internal symbol structure, and the corresponding function of the control channel area configuration in the BRU;
  • the reference signal is set to be the same as the reference signal area structure and the corresponding function in the BRU;
  • the data is set to be the same as the data area structure and the corresponding function in the BRU.
  • transmitting the signal by the terminal in the punctured area may include the terminal transmitting a signal or receiving a signal on the punctured area.
  • the transmitting the signal on the punctured area by the terminal may include:
  • the terminal After receiving the first signal that needs to be fed back on the subframe n1, the terminal sends the second on the punctured area in the subframe n2 in the case that the feedback position corresponding to the second signal is not the uplink control transmission area in the subframe n2.
  • the terminal sends an uplink reference signal (SRS) on the punctured area in the subframe n3 in the case that the terminal is not the uplink reference signal (SRS) transmission area in the subframe n3, wherein the punctured area includes: at least The position corresponding to the uplink reference signal is set as a punched area;
  • SRS uplink reference signal
  • the uplink data is sent on the punctured area in the subframe n4, where the punctured area includes: at least the uplink data is corresponding.
  • the position is set to the punched area.
  • the determining of the feedback position corresponding to the second signal may include: confirming the UC area of the k1*x1 BRUs after the subframe n1 according to the preset feedback mechanism for performing feedback on the subframe n1+k1 Whether it is an uplink control transmission area at a position corresponding to the subsequent subframe n2; wherein the length of the subframe n1 is x1 times of the BRU; and in the case where the corresponding position in the subframe n2 is not the uplink control transmission area, the subframe n2 is used.
  • the position corresponding to the UC area in the k1*x1 BRUs after the sub-frame n1 is set as the puncturing area in which feedback is required.
  • the terminal receiving the signal on the punctured area may include:
  • the terminal After the terminal sends the first signal that needs to be fed back on the subframe n1, in the case that the feedback position corresponding to the second signal is not the downlink control transmission region in the subframe n2, the terminal receives the second in the punctured region in the subframe n2.
  • a signal wherein the second signal is a feedback signal corresponding to the first signal;
  • the puncturing area includes: at least setting a feedback position corresponding to the second signal as a puncturing area;
  • the terminal is not the downlink control transmission area in the subframe n3, the downlink control information is received on the punctured area in the subframe n3, where the punctured area includes: at least the location setting corresponding to the downlink control information
  • the punctured area includes: but is not limited to: a downlink ACK/NACK, a paging message, a DL/UL grant information, and a multi-antenna configuration message;
  • the terminal is not the downlink data transmission area in the subframe n4, the downlink data is received on the punctured area in the subframe n4, wherein the puncturing area includes: setting at least the location corresponding to the downlink data to Hole area
  • the terminal does not receive on the punctured area of the subframe n2, n3 or n4.
  • the signal transmission method may further include: the terminal reporting the self-feedback capability, and if the terminal has no self-feedback capability, reporting the feedback processing delay.
  • the present application further provides a signal transmission method, the method comprising:
  • the base station determines the punched area based on the BRU
  • the base station transmits signals in non-punctured areas within the subframe.
  • the signal transmission method may further include: the base station transmitting related information of the area for puncturing; wherein the base station transmits the area for puncturing by: Related information: through broadcast signaling, multicast signaling or UE-specific signaling The relevant information for the area for punching is notified.
  • the base station or the terminal determines the puncturing area according to the related information.
  • the related information of the area for punching may include one or more of the following information:
  • the resource allocation manner includes whether to punch, and in the case of puncturing, the resource allocation manner further includes an indication Resources used to transfer data and resources indicated for puncturing.
  • the configuration of the BRU or a subframe may include one or more of the following: a resource configuration situation of an uplink control channel region, a downlink control channel region resource configuration, and data in a BRU or a subframe.
  • the determining the punctured area based on the BRU may include at least one of the following manners:
  • the punctured area comprises one or more signal areas in the BRU; wherein the BRU comprises a plurality of signal areas;
  • Determining the punctured area includes one or more BRUs in the subframe.
  • the signal region may include one or more of the following:
  • the signal transmission method may further include: the base station puncturing the subframe TTI according to the determined punctured area.
  • the puncturing of the base station may include: blanking the punctured area by rate matching the portion of the transmitted signal data.
  • the length of the punctured subframe may be an integer multiple k of the BRU, k is greater than or equal to 1, and the subframe length exists in at least one of the systems.
  • a subframe may inherit one or more of the following transmission mechanisms: a transmission mechanism of control information of a BRU, a transmission mechanism of a reference signal of a BRU, and a transmission mechanism of data of a BRU.
  • the transmission mechanism of the subframe inheriting the control information of the BRU may include:
  • At least one of the transmission mechanism of the downlink control information and the transmission mechanism of the downlink reference signal is inherited in the first BRU in the subframe, and the transmission mechanism of the uplink control information and the uplink reference signal are inherited in the last BRU in the subframe. At least one of the transport mechanisms.
  • the transmission mechanism may include one or more of the following: time-frequency resource occupation, internal symbol structure, function, and transmission method.
  • the base station transmitting the signal in the non-punctured area within the subframe may include transmitting the signal data portion for rate matching and transmitting.
  • the signal transmission method may further include:
  • the base station transmits a signal in the punctured area
  • the punctured area is used for transmission of a terminal corresponding to the current subframe or transmission by another terminal other than the terminal corresponding to the current subframe.
  • the signal transmitted by the base station in the punctured area and the signal transmitted in the non-punched area adjacent to the punctured area are different signals.
  • a signal transmitted in a non-punched area adjacent to the punctured area is data
  • a signal transmitted in the punctured area is a control signal, a reference signal, or an entire subframe.
  • the signal transmitted by the punctured area may include at least one of the following: control information; reference signal; data; the entire subframe.
  • control information is set to be the same as the time-frequency domain resource occupation, the internal symbol structure, and the corresponding function of the control channel area configuration in the BRU;
  • the reference signal is set to be the same as the reference signal area structure and the corresponding function in the BRU;
  • the data is set to be the same as the data area structure and the corresponding function in the BRU.
  • the base station transmitting the signal in the punctured area may include the base station transmitting a signal or receiving a signal on the punctured area.
  • the transmitting, by the base station, the signal on the punctured area may include:
  • the base station After the base station receives the first signal that needs to be fed back on the subframe n1, in the case that the feedback position corresponding to the second signal is not the downlink control transmission region in the subframe n2, the base station transmits the first region on the punctured region in the subframe n2.
  • a second signal wherein the second signal is a feedback signal corresponding to the first signal;
  • the puncturing area includes: at least setting a feedback position corresponding to the second signal as a puncturing area;
  • the base station sends the downlink control information on the punctured area in the subframe n3 in the case that the sub-frame n3 is not the downlink control transmission area, where the puncturing area includes: setting at least the location corresponding to the downlink control information
  • the punctured area includes: but is not limited to: a downlink ACK/NACK, a paging message, a DL/UL grant information, and a multi-antenna configuration message;
  • the base station sends the downlink data on the punctured area in the subframe n4 in the case that the sub-frame n4 is not the downlink data transmission area, where the puncturing area includes: setting at least the location corresponding to the downlink data to Hole area.
  • the determining of the feedback position corresponding to the second signal may include: confirming the UC area of the k1*x1 BRUs after the subframe n1 according to the preset feedback mechanism for performing feedback on the subframe n1+k1 Whether it is an uplink control transmission area at a position corresponding to the subsequent subframe n2; wherein the length of the subframe n1 is x1 times of the BRU; and in the case where the corresponding position in the subframe n2 is not the downlink control transmission area, the subframe n2 is used.
  • the position corresponding to the UC area in the k1*x1 BRUs after the sub-frame n1 is set as the puncturing area in which feedback is required.
  • receiving, by the base station, the signal on the punctured area may include:
  • the base station After the base station sends the first signal that needs to be fed back on the subframe n1, in the case that the feedback position corresponding to the second signal is not the uplink control transmission area in the subframe n2, the base station receives the second on the punctured area in the subframe n2.
  • a signal wherein the second signal is a feedback signal corresponding to the first signal; and the puncturing area comprises: at least setting a feedback position corresponding to the second signal as a puncturing area.
  • the base station receives an uplink reference signal (SRS) on the punctured area in the subframe n3 in the case that the subframe n3 is not the uplink reference signal (SRS) transmission area, wherein the punctured area includes: at least The position corresponding to the uplink reference signal is set as a punched area;
  • SRS uplink reference signal
  • the base station receives the uplink data in the punctured area in the subframe n4 in the case that the subframe n4 is not the uplink data transmission area, where the puncturing area includes: setting at least the location corresponding to the uplink data to Hole area.
  • the present application further provides a signal transmission method, the method comprising:
  • the subframe inherits a transmission mechanism of control information of the BRU, a transmission mechanism of a reference signal of the BRU, and transmission of data of the BRU One or more of the mechanisms.
  • the transmission mechanism that inherits the control information of the BRU may include: inheriting the transmission mechanism of the downlink control information in the first BRU in the subframe, and inheriting the uplink control in the last BRU in the subframe. Information transmission mechanism.
  • the transmission mechanism may include one or more of the following: time-frequency resource occupation, internal symbol structure, function, and transmission method.
  • the subframes for transmitting signals have at least two or more types having different lengths.
  • the two or more types of subframes are multiplexed in the system in a time division or frequency division manner.
  • the subframe is an FDD duplex mode or a TDD duplex mode
  • the mode is FDD duplex
  • the uplink and downlink frequency points are separated, and the control information and data are time-division multiplexed on the uplink and downlink frequency points respectively.
  • the uplink and downlink frequency points are the same, and the control information and data are time-division multiplexed at one frequency point.
  • N 2 or 4.
  • the above signal transmission method may further include: the communication node determines a puncturing area based on a basic resource unit (BRU); puncturing the sub-frame (TTI) according to the determined puncturing area, wherein the puncturing area Signal transmission for communication nodes.
  • BRU basic resource unit
  • the determining a punctured area based on a basic resource unit may include: the BRU includes a plurality of signal areas, the punctured area is one or more of the plurality of signal areas, or punctured The area is one or more BRUs in the subframe.
  • the signal region may include one or more of the following:
  • the signal transmitted by the communication node may include at least one of: control information; reference signal; data; an entire subframe.
  • control information when the signal transmitted in the puncturing area is control information, the control information is set to be the same as the time-frequency domain resource occupation, the internal symbol structure, and the corresponding function of the control channel area configuration in the BRU;
  • the reference signal is set to be the same as the reference signal area structure and corresponding function in the BRU;
  • the data is set to be the same as the data area structure and the corresponding function in the BRU.
  • the transmitting node transmitting the signal on the punctured area may include:
  • the terminal transmits a signal or receives a signal on the punctured area; or, the base station transmits a signal or receives a signal on the punctured area.
  • the present application further provides a signal transmission method, where the method includes: delaying a delay time of carrying the data-related feedback control information in the control information of the current subframe, and notifying the other device.
  • the feedback time is expressed in multiples of a basic resource unit (BRU).
  • BRU basic resource unit
  • the present application further provides a signal transmission method, including: transmitting a signal by using a combination of two or more types of subframes, wherein a length of each seed frame is an integer multiple of BRU, k is greater than or Equal to 1, and at least two subframes have different lengths.
  • the subframe may inherit one or more of the following transmission mechanisms: a transmission mechanism of control information of the BRU; a transmission mechanism of a reference signal of the BRU; and a transmission mechanism of data of the BRU.
  • the transmission mechanism of the subframe inheriting the control information of the BRU may include:
  • At least one of the transmission mechanism of the downlink control information and the transmission mechanism of the downlink reference signal is inherited by the first BRU in the subframe, and the transmission mechanism of the uplink control information and the transmission of the uplink reference signal are inherited in the last BRU in the subframe. At least one of the mechanisms.
  • the transmission mechanism may include one or more of the following: time-frequency resource occupation, internal symbol structure, function, and transmission method.
  • the present application further provides a signal transmission apparatus, which is disposed on a terminal, and the apparatus includes:
  • a first puncturing area determining unit configured to determine a puncturing area based on the BRU
  • the first transmission unit is configured to transmit a signal in a non-punctured area within the subframe.
  • the signal transmission apparatus may further include: a related information acquiring unit configured to acquire related information of an area for punching;
  • the related information acquiring unit is configured to acquire related information of the area for punching by receiving information related to the area for punching notified by the base station through broadcast signaling, multicast signaling, or UE-specific signaling. ;
  • the related information of the area for punching includes one or more of the following information:
  • the resource allocation manner includes whether to punch, and in the case of puncturing, the resource allocation manner further includes an indication Resources used to transfer data and resources indicated for puncturing.
  • the configuration of the BRU or a subframe may include one or more of the following: a resource configuration situation of an uplink control channel region, a downlink control channel region resource configuration, and data in a BRU or a subframe.
  • the first punctured area determining unit may include at least one of the following modules:
  • a first determining module configured to determine that the punctured area includes one or more signal areas in the BRU; wherein the BRU includes multiple signal areas;
  • a second determining module configured to determine that the punctured area comprises one or more BRUs in the subframe.
  • the signal region may include one or more of the following:
  • the signal transmission apparatus may further include: a first puncturing processing unit configured to punct the sub-frame TTI according to the determined punctured area.
  • the first transmission unit may be further configured to transmit in a non-punch region When the signal is transmitted, the punched area is blanked by rate matching the data portion of the transmitted signal.
  • the length of the subframe may be an integer multiple k of the BRU, k is greater than or equal to 1, and the subframe length exists in at least one of the systems.
  • the subframe may inherit one or more of the following transmission mechanisms: a transmission mechanism of control information of the BRU; a transmission mechanism of a reference signal of the BRU; and a transmission mechanism of data of the BRU.
  • a transmission mechanism in which a subframe may inherit control information of a BRU includes:
  • At least one of the transmission mechanism of the downlink control information and the transmission mechanism of the downlink reference signal is inherited by the first BRU in the subframe, and the transmission mechanism of the uplink control information and the transmission of the uplink reference signal are inherited in the last BRU in the subframe. At least one of the mechanisms.
  • the transmission mechanism may include one or more of the following: time-frequency resource occupation, internal symbol structure, function, and transmission method.
  • the first transmission unit may be further configured to transmit a signal data portion for rate matching and transmission.
  • the first transmission unit may be further configured to transmit a signal in the punctured area; or the punctured area is used for signal transmission of other terminals or base stations.
  • the signal transmitted by the punctured area may include at least one of the following: control information; reference signal; data; the entire subframe.
  • control information in a case where the signal transmitted in the punctured area is control information, the control information is set to be the same as the time-frequency domain resource occupation, the internal symbol structure, and the corresponding function of the control channel area configuration in the BRU;
  • the reference signal is set to be the same as the reference signal area structure and corresponding function in the BRU;
  • the data is set to be the same as the data area structure and the corresponding function in the BRU.
  • the first transmission unit may be further configured to transmit a signal or receive a signal on the punctured area.
  • the first transmission unit may include: a first sending module configured to send a signal on the punctured area: wherein
  • the punching region in the subframe n2 Sending a second signal; wherein the second signal is a feedback signal corresponding to the first signal; the puncturing area comprises: setting at least a feedback position corresponding to the second signal as a puncturing area.
  • the first sending module sends an uplink reference signal (SRS) on the punctured area in the subframe n3 in the case that the subframe n3 is not the uplink reference signal (SRS) transmission area, where the punctured area includes : setting at least a position corresponding to the uplink reference signal as a punched area;
  • SRS uplink reference signal
  • the first sending module sends the uplink data in the punctured area in the subframe n4 in the case that the subframe n4 is not the uplink data transmission area, where the punctured area includes: at least the location corresponding to the uplink data Set to the punch area.
  • the determining of the feedback position corresponding to the second signal may include: confirming the UC area of the k1*x1 BRUs after the subframe n1 according to the preset feedback mechanism for performing feedback on the subframe n1+k1 Whether it is an uplink control transmission area at a position corresponding to the subsequent subframe n2; wherein the length of the subframe n1 is x1 times of the BRU; and in the case where the corresponding position in the subframe n2 is not the uplink control transmission area, the subframe n2 is used.
  • the position corresponding to the UC area in the k1*x1 BRUs after the sub-frame n1 is set as the puncturing area in which feedback is required.
  • the first transmission unit may include: a first receiving module configured to receive a signal on the punctured area; wherein
  • the punched region in the subframe n2 Receiving a second signal, wherein the second signal is a feedback signal corresponding to the first signal; the puncturing area includes: setting at least a feedback position corresponding to the second signal as a puncturing area;
  • the first receiving module receives the downlink control information in the punctured area in the subframe n3 in the case that the subframe n3 is not the downlink control transmission area, where the puncturing area includes: at least the downlink control information is corresponding to The location is set as a puncturing area; the downlink control information includes but is not limited to: a downlink ACK/NACK, a paging message, a DL/UL grant message, and a multi-antenna configuration message;
  • the first receiving module receives the downlink data in the punctured area in the subframe n4 in the case that the subframe n4 is not the downlink data transmission area, where the puncturing area includes: at least the location corresponding to the downlink data Set to the punch area;
  • the first receiving module does not receive on the punctured area of the subframe n2, n3 or n4.
  • the signal transmission apparatus may further include: a feedback reporting unit configured to report the self-feedback capability, and if the terminal has no self-feedback capability, report the feedback processing delay.
  • the present application further provides a signal transmission apparatus, which is disposed on a base station, where the apparatus includes:
  • a second puncturing area determining unit configured to determine a puncturing area based on the BRU
  • a second transmission unit configured to transmit signals in a non-punctured area within the subframe
  • the signal transmission apparatus may further include: a related information transmitting unit configured to transmit related information of an area for punching;
  • the related information sending unit is configured to send related information of the area for puncturing by: notifying related information of the area for puncturing through broadcast signaling, multicast signaling, or UE-specific signaling;
  • the related information of the area for punching may include one or more of the following information:
  • the resource allocation manner includes whether to punch, and in the case of puncturing, the resource allocation manner further includes an indication Resources used to transfer data and resources indicated for puncturing.
  • the configuration of the BRU or a subframe may include one or more of the following: a resource configuration situation of an uplink control channel region, a downlink control channel region resource configuration, and data in a BRU or a subframe.
  • the second punctured area determining unit may include at least one of the following modules:
  • a third determining module configured to determine that the punctured area includes one or more signal areas in the BRU; wherein the BRU includes multiple signal areas;
  • a fourth determining module configured to determine that the punctured area comprises one or more BRUs in the subframe.
  • the signal region may include one or more of the following:
  • the signal transmission apparatus may further include: a second puncturing processing unit configured to punct the sub-frame TTI according to the determined punctured area.
  • the second transmission unit may be further configured to blank the punctured area by rate matching the transmitted signal data portion when the signal is transmitted in the non-punctured area.
  • the length of the punctured subframe may be an integer multiple k of the BRU, k is greater than or equal to 1, and the subframe length exists in at least one of the systems.
  • a subframe may inherit one or more of the following transmission mechanisms: a transmission mechanism of control information of a BRU, a transmission mechanism of a reference signal of a BRU, and a transmission mechanism of data of a BRU.
  • the transmission mechanism of the subframe inheriting the control information of the BRU may include:
  • At least one of the transmission mechanism of the downlink control information and the transmission mechanism of the downlink reference signal is inherited in the first BRU in the subframe, and the transmission mechanism of the uplink control information and the uplink reference signal are inherited in the last BRU in the subframe. At least one of the transport mechanisms.
  • the transmission mechanism may include one or more of the following: time-frequency resource occupation, internal symbol structure, function, and transmission method.
  • the second transmission unit may be further configured to transmit the signal data portion for rate matching and transmission when the signal is transmitted in the non-punctured region.
  • the second transmission unit may be further configured to transmit a signal in the punctured area; or the punctured area is used for transmission of a terminal corresponding to the current subframe, or a terminal corresponding to the current subframe. Transmission of other terminals outside.
  • the signal transmitted by the punctured area may include at least one of the following: control information; reference signal; data; the entire subframe.
  • control information in a case where the signal transmitted in the punctured area is control information, the control information is set to be the same as the time-frequency domain resource occupation, the internal symbol structure, and the corresponding function of the control channel area configuration in the BRU;
  • the reference signal is set to be the same as the reference signal area structure and corresponding function in the BRU;
  • the data is set to be the same as the data area structure and the corresponding function in the BRU.
  • the second transmission unit may be further configured to transmit a signal or receive a signal on the punctured area.
  • the second transmission unit may include a second sending module configured to transmit a signal on the punctured area;
  • the base station in the punched region in the subframe n2 Transmitting a second signal, wherein the second signal is a feedback signal corresponding to the first signal; the puncturing area comprises: setting at least a feedback position corresponding to the second signal as a puncturing area;
  • the second sending module sends the downlink control information on the punctured area in the subframe n3 in the case that the subframe n3 is not the downlink control transmission area, where the punctured area includes: at least the downlink control information is corresponding to The location is set as a puncturing area; the downlink control information includes but is not limited to: a downlink ACK/NACK, a paging message, a DL/UL grant message, and a multi-antenna configuration message;
  • the second sending module is not the downlink data transmission area in the subframe n4
  • the subframe The downlink data is sent on the punctured area in the n4, wherein the punctured area includes: at least the position corresponding to the downlink data is set as the punctured area.
  • the determining of the feedback position corresponding to the second signal may include: confirming the UC area of the k1*x1 BRUs after the subframe n1 according to the preset feedback mechanism for performing feedback on the subframe n1+k1 Whether it is an uplink control transmission area at a position corresponding to the subsequent subframe n2; wherein the length of the subframe n1 is x1 times of the BRU; and in the case where the corresponding position in the subframe n2 is not the downlink control transmission area, the subframe n2 is used.
  • the position corresponding to the UC area in the k1*x1 BRUs after the sub-frame n1 is set as the puncturing area in which feedback is required.
  • the second transmission unit may include: a second receiving module configured to receive a signal on the punctured area; wherein
  • the second receiving module After the second receiving module sends the first signal that needs to be fed back on the subframe n1, in the case that the feedback position corresponding to the second signal is not the uplink control transmission region in the subframe n2, the punched region in the subframe n2 Receiving a second signal; wherein the second signal is a feedback signal corresponding to the first signal; the puncturing area comprises: setting at least a feedback position corresponding to the second signal as a puncturing area.
  • the second receiving module receives an uplink reference signal (SRS) on the punctured area in the subframe n3 in a case where the subframe n3 is not an uplink reference signal (SRS) transmission area, where the punctured area includes : setting at least a position corresponding to the uplink reference signal as a punched area;
  • SRS uplink reference signal
  • the second receiving module receives the uplink data in the punctured area in the subframe n4 in the case that the subframe n4 is not the uplink data transmission area, where the punctured area includes: a location corresponding to at least the uplink data Set to the punch area.
  • the present application further provides a signal transmission apparatus, including:
  • a setting unit configured to set a subframe for signal transmission, where the length of the subframe is an integer multiple of a BRU; the subframe inherits a transmission mechanism of a BRU control information, a transmission mechanism of a BRU reference signal, and One or more of the BRU data transmission mechanisms.
  • the transmission mechanism that inherits the control information of the BRU may include: inheriting the transmission mechanism of the downlink control information in the first BRU in the subframe, and inheriting the uplink control in the last BRU in the subframe. Information transmission mechanism.
  • the transmission mechanism may include one or more of the following settings: Time-frequency resource occupation, internal symbol structure, function, and transmission method.
  • the subframes for transmitting signals have at least two or more types having different lengths.
  • the two or more types of subframes are multiplexed in the system in a time division or frequency division manner.
  • the subframe is an FDD duplex mode or a TDD duplex mode
  • the mode is FDD duplex
  • the uplink and downlink frequency points are separated, and the control information and data are time-division multiplexed on the uplink and downlink frequency points respectively.
  • the uplink and downlink frequency points are the same, and the control information and data are time-division multiplexed at one frequency point.
  • N 2 or 4.
  • the communication node determines a puncturing area based on a basic resource unit (BRU); puncturing the sub-frame (TTI) according to the determined punctured area, the punctured area being used for signal transmission of the communication node.
  • BRU basic resource unit
  • the determining a punctured area based on a basic resource unit may include: the BRU includes a plurality of signal areas, the punctured area is one or more of the plurality of signal areas, or punctured The area is one or more BRUs in the subframe.
  • the signal region may include one or more of the following:
  • the signal transmitted by the communication node may include at least one of: control information; reference signal; data; an entire subframe.
  • control information when the signal transmitted in the puncturing area is control information, the control information is set to be the same as the time-frequency domain resource occupation, the internal symbol structure, and the corresponding function of the control channel area configuration in the BRU;
  • the reference signal is set to be the same as the reference signal area structure and corresponding function in the BRU;
  • the data is set to be the same as the data area structure and the corresponding function in the BRU.
  • the above signal transmission apparatus may further include: a third transmission unit configured to transmit a signal or receive a signal on the punctured area.
  • the signal transmission device can be disposed on the terminal or the base station.
  • the present application further provides a signal transmission apparatus, including: a reporting unit configured to delay the delay time of the data-related feedback control information in the control information of the current subframe, and notify the other device.
  • the feedback time is expressed in multiples of the BRU.
  • the present application further provides a signal transmission apparatus, comprising: a fourth transmission unit configured to transmit a signal by using a combination of two or more types of subframes, wherein a length of each seed frame is a BRU An integer multiple k, k is greater than or equal to 1, and at least two subframes have different lengths.
  • the subframe may inherit one or more of the following transmission mechanisms: a transmission mechanism of control information of the BRU; a transmission mechanism of a reference signal of the BRU; and a transmission mechanism of data of the BRU.
  • the transmission mechanism of the subframe inheriting the control information of the BRU may include:
  • At least one of the transmission mechanism of the downlink control information and the transmission mechanism of the downlink reference signal is inherited by the first BRU in the subframe, and the transmission mechanism of the uplink control information and the transmission of the uplink reference signal are inherited in the last BRU in the subframe. At least one of the mechanisms.
  • the transmission mechanism may include one or more of the following: time-frequency resource occupation, internal symbol structure, function, and transmission method.
  • the embodiment of the present application further provides a computer readable storage medium storing computer executable instructions, when the computer executable instructions are executed by a processor, implementing the signal transmission described in any one of the foregoing first to fifth aspects method.
  • the technical solution provided by the application includes: the terminal determines the puncturing area based on the BRU; and the terminal transmits the signal in the non-punctured area in the subframe.
  • a transmission mode of a feedback signal in the case of mixed use of long and short frames, or other signals in a case where priority processing is required is provided, and the law of occurrence and combination of mixing in long and short sub-frames may be pure dynamic or
  • the transmission resource is obtained by punching at a predetermined position, the complicated search mode of the feedback position is avoided, the timely transmission of the feedback signal is ensured, and the existing feedback mode is solved. The issue of resource conflicts.
  • 1 is a schematic structural diagram of a resource allocation unit
  • 2A is a new sub-frame structure formed after being composited on the basis of the BRU shown in FIG. 1;
  • 2B is a schematic structural view of an exemplary BRU
  • 3 is a schematic diagram of transmission of a feedback signal when a long and short frame is mixed
  • FIG. 4 is a schematic diagram of transmitting a signal by punching according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of another signal transmitted by punching according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of another signal transmitted by punching according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a signal transmitted by puncturing and multiplexing according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of still another signal transmission method according to an embodiment of the present invention.
  • 9A is a schematic diagram of constructing a BRU in an FDD mode
  • FIG. 9B is a schematic diagram of punching a transmission signal on the basis of the BRU shown in FIG. 9A;
  • FIG. 10 is a flowchart of a signal transmission method according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a signal transmission apparatus according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of another signal transmission apparatus according to an embodiment of the present invention.
  • a method for obtaining a long and short subframe (TTI) by a basic resource unit (BRU) is first described.
  • An embodiment of the present invention provides a subframe setting method. On the basis of a subframe setting method, a signal transmission method is provided, and a subframe transmission signal set by the subframe setting method is used.
  • the subframe setting method includes:
  • each seed frame has an integer multiple of a BRU, and at least two subframes have different lengths;
  • the signal is transmitted by a combination of two or more types of subframes described above.
  • the seeded frame is inherited by the BRU control information transmission mechanism, the BRU reference signal transmission mechanism, and the BRU data transmission mechanism.
  • the transmission mechanism that inherits the control information of the BRU includes:
  • the transmission mechanism of the downlink control information is inherited in the first BRU in the subframe, and the transmission mechanism of the uplink control information is inherited in the last BRU in the subframe.
  • the transmission mechanism includes one or more of the following: resource occupation, timing relationship, internal symbol structure, function, and transmission method.
  • a plurality of basic resource units may be combined to obtain a long subframe (TTI) or a short subframe (TTI), and the length of the composite subframe is an integer multiple of the BRU.
  • TTI long subframe
  • TTI short subframe
  • the DL Ctrl, UL Ctrl, and DL/UL data of the BRU have no change in relative position, but are elastically stretched according to the relationship of multiples.
  • FIG. 1 a new subframe structure formed by combining the basic resource unit (BRU) shown in FIG. 1 is exemplarily introduced. If the original BRU is 0.2 ms in length, the long subframe length is 0.4 ms, or Longer.
  • the length of the uplink control area, the downlink control area, and the guard time GP within the long subframe may be maintained consistent with the BRU or stretched proportionally on the basic subframe;
  • FIG. 2A is only two of the possible implementation manners, the first type It is only the total length of the stretched sub-frame, the second is the control area, and the guard time is also stretched.
  • other such as stretching only GP, stretching only the downward control area, and stretching only the upper control area can be combined with each other, and the stretching of the inner area does not necessarily need to satisfy the constraint of proportional expansion.
  • the total length of the long sub-frames is an equal extension, the long sub-frames and the short sub-frames are easy to coexist in the system. Compared with the BRU joint sending method, this solution can reduce system overhead.
  • the two or more types of subframes are multiplexed in the system in a time division or frequency division manner.
  • the set subframe includes a first type of subframe and a second type of subframe, wherein the first type of subframe time length is equal to or shorter than the second type of subframe time length.
  • the first type of subframes and the second type of subframes are FDD duplex mode or TDD duplex mode; if it is the FDD duplex mode, the uplink and downlink frequency points are separated, and the control information and data are respectively performed on the uplink and downlink frequency points. Time division multiplexing; if it is TDD duplex mode, the uplink and downlink frequency points are the same, and the control information and data are time division multiplexed at one frequency point.
  • the long subframe is twice the BRU
  • the short subframe is a single BRU, and they all inherit the control information, reference signal or data transmission mechanism of the BRU.
  • the first BRU of the long subframe inherits the transmission mechanism of the downlink control information
  • the last BRU of the long subframe inherits the transmission mechanism of the uplink control information.
  • the transmission mechanism refers to resource occupancy, timing relationship, internal symbol structure, function, and transmission method.
  • FIG. 2B it is a schematic structural diagram of an exemplary BRU.
  • the BRU may also be in the structural manner as shown in the figure, wherein the number, continuity, and the like of the uplink and downlink areas in the BRU are not limited.
  • FIG. 3 a schematic diagram of transmission of a feedback signal when a long and short frame is mixed is used. As shown in FIG. 3, two short subframes are followed by one long subframe. If the timing rule of HARQ is still adopted according to LTE, the uplink feedback of the second short subframe needs to be in the downlink slot of the long subframe.
  • the resource conflict problem is solved by the signal transmission method provided by the embodiment of the present invention, which is described in detail below.
  • the signal transmission method provided by the embodiment of the present invention is described in the case of the combination of the different types of long and short subframes.
  • an embodiment of the present invention provides a signal transmission method, where the method includes:
  • a node obtains a transmission resource by using a puncture in a subframe.
  • the node transmits a signal by using a transmission resource obtained by puncturing.
  • the signal includes at least one of the following: control information; reference signal; data; the entire subframe.
  • the obtaining, by using the puncturing, the sending resource in the subframe includes:
  • a corresponding puncturing area is set; wherein the puncturing area is set according to a configuration of a basic resource unit (BRU), and a configuration of a control channel area, a reference signal area, and a data area in the BRU.
  • BRU basic resource unit
  • the puncturing area is set as a guard interval in which the control area or the control area of the BRU is added and uplinked;
  • the puncturing area is set as a reference signal area in the BRU;
  • the punched area is set as a data area in the BRU;
  • the punched area is set to the entire BRU.
  • the control information is set to be the same as the resource occupation, the timing relationship, the internal symbol structure, and the corresponding function of the control channel region configuration in the BRU;
  • the reference signal and the BRU reference are the same;
  • the data is set to be the same as the data area structure and the corresponding function in the BRU.
  • the node may be a base station
  • the base station Before the corresponding puncturing area is set, the base station configures all the long and short subframe resource allocation information by system broadcast or configures the subframe type in the downlink control area of each subframe.
  • the obtaining, by using the puncturing, the sending resource in the subframe includes:
  • the preset feedback mechanism for performing feedback on the subframe n1+k1 After receiving the first signal that needs to be fed back on the subframe n1, according to the preset feedback mechanism for performing feedback on the subframe n1+k1, confirming that the UC region in the k1*x1 BRUs after the subframe n1 is in the subsequent subframe Whether the position corresponding to n2 is an uplink transmission area; wherein the length of the subframe n1 is x1 times of the BRU;
  • the corresponding position in the subframe n2 is not the uplink transmission area
  • the position corresponding to the UC area in the k1*x1 BRUs after the subframe n1 in the subframe n2 is set as the puncturing area, and the punctured area is corresponding.
  • the resource is used as a transmission resource of the second signal; the second signal is a feedback signal corresponding to the first signal.
  • the node may be a base station
  • the feedback mechanism is performed according to the preset feedback on the subframe n1+k1; in the subframe n2 and after the subframe n1, the k1*
  • the location corresponding to the UC area in the x1 BRUs is set as the puncturing area, and the resource corresponding to the punctured area is used as the transmission resource of the second signal;
  • the length of the subframe n1 is x1 times of the BRU
  • the subframe n2 is a subframe transmitted between the base station and the terminal 2
  • the second signal is a feedback signal corresponding to the first signal.
  • the method may further include:
  • the guard interval is set before the punched area.
  • the node may be a base station
  • the method further includes:
  • the base station notifies one or more end users of uplink and downlink data and/or pilot resource allocation manner in a downlink control region of each subframe;
  • the resource allocation manner includes whether the puncturing is performed, and in the case of puncturing, the resource allocation manner further includes indicating a resource for transmitting data and indicating a resource for puncturing.
  • the resource for puncturing includes at least one of the following resources:
  • the control area of the BRU is the control area of the BRU
  • the reference signal area of the BRU is the reference signal area of the BRU
  • the data area of the BRU The data area of the BRU.
  • the node pauses signal transmission before punching in the punched area.
  • Each TTI includes a DC (downlink control) zone, a Data (data) zone, and a UC (uplink control) zone.
  • Data may be an uplink data area or a downlink data area.
  • This embodiment provides a signal transmission method, including:
  • Step 410 The terminal receives the DL Control and DL data that need to be fed back in the Data area of the subframe 1.
  • the terminal needs to send a feedback signal corresponding to the DL Control and the DL data that needs to be fed back in the second short TTI after the current subframe, that is, the UC area in the second BRU after the current subframe;
  • Step 420 Set a puncturing area in the subframe 2 as a sending resource for the terminal to send a feedback signal
  • Step 420 includes the following:
  • the UC area in the second BRU corresponding to the subframe 1 is used as the first puncturing area, and the first punctured area is used as the transmission resource of the feedback signal by the terminal.
  • 1-2 Before the first puncturing area as the transmitting resource, set a second puncturing area (GP); the length of the second puncturing area is a guard interval;
  • the guard interval is 0 or a predetermined first guard interval
  • the guard interval is set to a predetermined second guard interval.
  • the first guard interval is a small guard interval
  • the second guard interval is a guard interval between uplink and downlink transmissions. If the additional punctured portion GP is punctured in the original downlink data segment, it is required to leave the downlink to the uplink.
  • the protection time the protection time can refer to the normal protection time of the subframe. If the original data segment is upstream data, the guard time can be cancelled or a shorter time guard band can be used.
  • Step 430 The terminal sends a feedback signal in a puncturing area set as a transmission resource set in the subframe 2;
  • Step 440 The terminal receives the DL Control and DL data that need to be fed back in the Data area of the subframe 2;
  • the terminal needs the UC area in the first long TTI after the current subframe, that is, the UC area in the fourth BRU after the current subframe, and the feedback signal corresponding to the DL Control and the DL data to be fed back. ;
  • step 450 the terminal sends a feedback signal in the DC area of the subframe 3.
  • the data frame includes consecutive subframes 1 and 2, the length of the subframe 1 is 1 BRU, the length of the subframe 2 is 4 BRUs, and the first signal to be fed back is on the subframe 1.
  • the feedback mechanism is n+2, that is, feedback is performed on the two BRUs after the subframe 1. Therefore, the second signal needs to be punctured in the subframe 2, and the second signal is the feedback signal corresponding to the first signal.
  • the base station transmits a first signal to the terminal 1 on the subframe 1;
  • the terminal 1 needs to send a second signal to the base station on the subframe 2, and the subframe 2 is allocated to the terminal 1.
  • the corresponding location that needs to be fed back is the data area of the subframe 2 (uplink data or downlink data). Therefore, the terminal 1 or the base station punches the hole in the subframe 2, and in the punctured area of the subframe 2, the terminal 1 goes to the base station. Send the second signal.
  • the base station sends a first signal to the terminal 1 on the subframe 1;
  • the terminal 1 needs to send a second signal to the base station on the subframe 2, and the subframe 2 is a transmission resource allocated to the terminal 2, and the corresponding position that needs to be fed back is the data area (uplink data or downlink data) of the subframe 2, and therefore, the terminal 2 or the base station punches a hole in the subframe 2, and in the punctured area of the subframe 2, the terminal 1 transmits a second signal to the base station.
  • the terminal 2 pauses to transmit data in the puncturing area, or continues to transmit data, and the base station side performs transmission with the terminal 1 through the resources of the punctured area, and therefore, the base station does not receive.
  • the terminal 2 pauses receiving data in the puncturing area, or continues to perform the receiving operation, and the base station side performs transmission with the terminal 1 through the resources of the puncturing area, and therefore, the base station does not in the puncturing area.
  • Data is continuously transmitted to the terminal 2, and after the puncturing ends, the base station continues to transmit data to the terminal 2 in the subframe 2.
  • the terminal 1 transmits the first signal to the base station on the subframe 1;
  • the base station needs to send the second signal to the terminal 1 on the subframe 2, the subframe 2 is the transmission resource allocated to the terminal 1, and the corresponding position that needs to be fed back is the data area (uplink data or downlink data) of the subframe 2, therefore, the base station Or the terminal 1 punches a hole in the subframe 2, and in the punctured area of the subframe 2, the base station transmits a second signal to the terminal 1. Wherein, if it is uplink data, the base station punches and the terminal 1 punches.
  • the terminal 1 transmits the first signal to the base station on the subframe 1;
  • the base station needs to send the second signal to the terminal 1 on the subframe 2, the subframe 2 is the transmission resource allocated to the terminal 2, and the corresponding position that needs to be fed back is the data area (uplink data or downlink data) of the subframe 2, therefore, the base station Or the terminal 2 punches a hole in the subframe 2, and in the punctured area of the subframe 2, the base station transmits a second signal to the terminal 1.
  • the terminal 2 pauses to transmit data in the puncturing area, or continues to transmit data, and the base station side performs transmission with the terminal 1 through the resources of the puncturing area. Therefore, the base station does not receive the data transmitted by the terminal 2 in the puncturing area, and after the puncturing ends, the base station continues to receive the data sent by the terminal 2;
  • the terminal 2 pauses receiving data in the puncturing area, or continues to perform the receiving operation, and the base station side performs transmission with the terminal 1 through the resources of the puncturing area, and therefore, the base station does not in the puncturing area.
  • Data is continuously transmitted to the terminal 2, and after the puncturing ends, the base station continues to transmit data to the terminal 2 in the subframe 2.
  • the terminal sends the second signal or the resource that receives the second signal is a resource that has been allocated to other terminals, the other terminal punches, and the terminal does not need to punch, if the terminal sends the second signal or receives
  • the resource of the second signal is a resource that has been allocated to the terminal, but the corresponding feedback time is located in the data area of the subframe, and the terminal punches.
  • 1 BRU forms a short TTI, and the feedback follows the timing of n+2.
  • the four BRUs form a long TTI, and the feedback follows the timing of n+1.
  • the horizontal fill portion is a long TTI, and the data portion of the short TTI is an uplink data.
  • the original data needs to be partially erased in the long TTI of the horizontal strip (the oblique slash is filled with a diagonal strip), and the erased portion is used for carrying Downlink control information, such as ACK/NACK, paging message, multi-antenna configuration message, etc., may be signaled by a PDCCH channel or other control channel.
  • the selection of the punctured insertion DC (downlink control) position is based on the above BRU control channel region, and is the same or related to the resource occupation, timing relationship, and even the internal symbol structure and function of the DC control channel region configuration in the BRU.
  • the punctured portion can also insert a reference signal SRS, such as a measurement reference signal that is triggered according to the request. Or temporarily inserted data services, such as earthquake information broadcasts.
  • the entire BSU portion can be punched out in the long sub-frame to transmit relevant data and control information.
  • one BRU forms a short TTI.
  • the four BRUs form a long TTI.
  • the horizontal bar filling portion is a long TTI, and the horizontal bar fills the entire TRU within the long TTI, and the broken portion is used to carry the short TTI.
  • whether the terminal needs to punch holes when demodulating data allows the base station to notify the content of the signaling, and when the base station uses the robust coding mode, the terminal can perform data reception without punching.
  • the terminal needs to know the location or condition of the long and short subframe TTI, whether the puncturing is used to carry downlink control information or carry uplink control information.
  • Long and short subframe If the TTI belongs to the same user, the location or situation of the long and short subframe TTI, the base station needs to be configured to the terminal in advance, and the configuration method may be configured in a system broadcast configuration or in a sub-frame downlink control area.
  • the second premise is whether the terminal can perform self-feedback.
  • the terminal accesses the system, it needs to include important information such as self-feedback and feedback processing delay when reporting the capability.
  • Punching in the original TTI data segment has the advantage that the timing relationship of the feedback no longer requires a complicated layout of the control information feedback timing as in the LTE TDD mode.
  • the feedback control information can be fully fed back according to the timing relationship n+k.
  • Each user detects/transmits corresponding control signaling in the control area of the TTI or BRU according to its own TTI configuration.
  • k is the number of BRUs.
  • the insertion method is also more flexible, and there is no need to wait for the opportunity of the same type of subframe.
  • the long TTI transmits control information that needs feedback in a short TTI, and needs to be multiplexed with other feedback information of the short TTI.
  • the long TTI is followed by four short TTIs. According to the feedback timing of the long TTI n+1, the feedback is falling into the uplink time slot of the fourth short TTI, and the uplink control information originally required by the short TTI is required. Reuse.
  • the short subframe is a low latency Internet of Things (uMTC) user
  • the long subframe is a normal wide area covered mobile user (MBB)
  • MBB wide area covered mobile user
  • the base station notifies the user of the uplink and downlink data and/or the pilot resource allocation manner in the downlink control region of each subframe, and the resource allocation manner refers to which resources are available for transmitting data, or which resources are used for puncturing. For example, it is notified which of the TTIs of which BRUs the DC/UC control area is punctured.
  • the terminal may determine different behaviors according to the notified puncturing area. For example, the terminal that performs downlink receiving may avoid data reception in the puncturing area to avoid demodulation errors; the terminal that needs feedback control information or inserts a reference signal may be in the puncturing area. Send relevant signals within.
  • control information is multiplexed. Because the control information of two different users is multiplexed, the processing methods such as merging and binding cannot be performed.
  • the distinguishing method may use code division, and the base station needs Notify the user of relevant information to distinguish between codewords.
  • FIG. 8 is a schematic diagram of still another signal transmission method according to an embodiment of the present invention.
  • the signal transmission method provided in this embodiment includes: delay time of carrying the data-related feedback control information in the control information of the current subframe, and dynamically notifying the other device.
  • the feedback time is expressed in multiples of basic resource units (BRUs).
  • a time delay scheme for dynamically notifying feedback control information is provided.
  • the feedback information of the following row data may carry the delay time of the data-related feedback control information in the DL control information of the current subframe, for example, carrying the value of k in n+k, and the feedback time is a multiple of the BRU.
  • the form is expressed.
  • This embodiment illustrates a multiplexing and puncturing method of the FDD system.
  • the BRU may also be limited to the TDD mode, that is, the BRU includes both downlink and uplink areas.
  • the BRU can be constructed as shown in Figure 9A. It is based on the FDD duplex mode.
  • the uplink frequency only has uplink data and uplink control.
  • the data and control part is a time division multiplexing relationship.
  • the downlink is generally controlled before the data
  • the uplink is generally controlled after the data.
  • the control information of the related feedback can also be punctured or multiplexed by a similar method in the foregoing embodiment.
  • the feedback of the downlink short subframe is punctured at the position of the BRU uplink control corresponding to the uplink long subframe, and the uplink control information is transmitted.
  • the embodiment of the present invention further provides a signal transmission device, which is disposed on the terminal.
  • the device includes:
  • the first punctured area determining unit 112 is configured to determine the punctured area based on the BRU;
  • the first transmission unit 114 is configured to transmit a signal in a non-punctured area within the subframe.
  • the signal transmission device may further include: a related information acquiring unit configured to acquire related information of the area for punching;
  • the related information acquiring unit is configured to acquire related information of the area for punching by receiving information related to the area for punching notified by the base station through broadcast signaling, multicast signaling, or UE-specific signaling. ;
  • the related information of the area for punching includes one or more of the following information:
  • the resource allocation manner includes whether to punch, and in the case of puncturing, the resource allocation manner further includes an indication Resources used to transfer data and resources indicated for puncturing.
  • the first punctured area determining unit 112 may include at least one of the following modules:
  • a first determining module configured to determine that the punctured area includes one or more signal areas in the BRU; wherein the BRU includes multiple signal areas;
  • a second determining module configured to determine that the punctured area comprises one or more BRUs in the subframe.
  • the first transmission unit 114 may also be configured to transmit in the punctured area. Signal; or, the punctured area is used for signal transmission of other terminals or base stations.
  • the control information when the signal transmitted in the punctured area includes the control information, the control information is set to be the same as the time-frequency domain resource occupation, the internal symbol structure, and the corresponding function of the control channel area configured in the BRU;
  • the reference signal is set to be the same as the reference signal area structure and the corresponding function in the BRU;
  • the data is set to be the same as the data area structure and the corresponding function in the BRU.
  • the embodiment of the present invention further provides a signal transmission apparatus, which is disposed on a base station.
  • the apparatus includes:
  • the second puncturing area determining unit 122 is configured to determine the puncturing area based on the BRU;
  • the second transmission unit 124 is configured to transmit a signal in a non-punctured area within the subframe.
  • the signal transmission device may further include: a related information sending unit configured to send related information of the area for punching;
  • the related information sending unit is configured to send related information of the area for puncturing by: notifying related information of the area for puncturing through broadcast signaling, multicast signaling, or UE-specific signaling;
  • the related information of the area for punching includes one or more of the following information:
  • the resource allocation manner includes whether to punch, and in the case of puncturing, the resource allocation manner further includes an indication Resources used to transfer data and resources indicated for puncturing.
  • the second punctured area determining unit 122 may include at least one of the following modules:
  • a third determining module configured to determine that the punctured area includes one or more signal areas in the BRU; wherein the BRU includes multiple signal areas;
  • a fourth determining module configured to determine that the punctured area comprises one or more BRUs in the subframe.
  • the second transmission unit 124 may be configured to transmit a signal in the punctured area; or the punctured area is used for transmission of the terminal corresponding to the current subframe, or the terminal corresponding to the current subframe. Transmission of other terminals outside.
  • the control information when the signal transmitted in the punctured area includes the control information, the control information is set to be the same as the time-frequency domain resource occupation, the internal symbol structure, and the corresponding function of the control channel area configured in the BRU;
  • the reference signal is set to be the same as the reference signal area structure and the corresponding function in the BRU;
  • the data is set to be the same as the data area structure and the corresponding function in the BRU.
  • the embodiment of the present invention further provides a signal transmission apparatus, where the apparatus includes:
  • a setting unit configured to set a subframe for signal transmission, where the length of the subframe is an integer multiple of a BRU; the subframe inherits a transmission mechanism of a BRU control information, a transmission mechanism of a BRU reference signal, and One or more of the BRU data transmission mechanisms.
  • the embodiment of the present invention further provides a signal transmission apparatus, where the apparatus includes: a reporting unit configured to carry a delay of data-related feedback control information in control information of a current subframe according to the same or similar concepts as the foregoing embodiment. Time, notify another device.
  • a reporting unit configured to carry a delay of data-related feedback control information in control information of a current subframe according to the same or similar concepts as the foregoing embodiment. Time, notify another device.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented by the processor to implement the signal transmission method according to any of the above embodiments.
  • computer storage medium includes volatile and nonvolatile, implemented in any method or technology for storing information, such as computer readable instructions, data structures, program modules or other data. Sex, removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridge, magnetic tape, magnetic disk storage or other magnetic storage device, or may Any other medium used to store the desired information and that can be accessed by the computer.
  • communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and can include any information delivery media. .
  • the embodiment of the present invention provides a signal transmission method and device, which avoids a complicated search mode of a feedback position, ensures timely transmission of a feedback signal, and solves the problem of resource conflict in the existing feedback mode.

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

Abstract

La présente invention concerne un procédé et un dispositif de transmission de signal, le procédé consistant : à déterminer une zone de perforation sur la base d'une unité de ressource de base (BRU pour Basic Ressource Unit) ; à transmettre un signal dans une zone de non-perforation dans une sous-trame. La solution ci-dessus fournit un mode de transmission pour le signal de rétroaction dans une condition d'utilisation mixte de trames longues et courtes ou le signal dans d'autres conditions où un traitement préférentiel est nécessaire. Lorsque la règle de présence mixte et la combinaison de sous-trames longues et courtes peuvent être dans un état d'ajustement purement dynamique ou semi-statique, en fonction d'une politique de rétroaction prédéfinie, une perforation à la position prédéfinie pour acquérir des ressources de transmission évite un mode de découverte complexe d'une position de rétroaction, assurant une transmission opportune du signal de rétroaction, et résolvant ainsi le problème de conflits de ressources dans les modes de rétroaction existants.
PCT/CN2017/078193 2016-04-01 2017-03-24 Procédé et dispositif de transmission de signal WO2017167137A1 (fr)

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CN110351008B (zh) * 2018-04-04 2020-10-02 北京紫光展锐通信技术有限公司 上行时频资源集合的配置、接收方法及装置

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