WO2019029322A1 - Procédé et dispositif d'envoi d'informations - Google Patents

Procédé et dispositif d'envoi d'informations Download PDF

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Publication number
WO2019029322A1
WO2019029322A1 PCT/CN2018/095703 CN2018095703W WO2019029322A1 WO 2019029322 A1 WO2019029322 A1 WO 2019029322A1 CN 2018095703 W CN2018095703 W CN 2018095703W WO 2019029322 A1 WO2019029322 A1 WO 2019029322A1
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Prior art keywords
information
network device
time unit
terminal device
type
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PCT/CN2018/095703
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English (en)
Chinese (zh)
Inventor
谢信乾
郭志恒
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华为技术有限公司
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Publication of WO2019029322A1 publication Critical patent/WO2019029322A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • 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
    • 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
    • H04L5/0078—Timing of allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to an information sending method and device.
  • the fifth-generation mobile communication technology (5G) new radio interface (NR) system and long term evolution (LTE) system are being deployed simultaneously in the frequency band below 6 GHz. .
  • 5G fifth-generation mobile communication technology
  • NR new radio interface
  • LTE long term evolution
  • the present application provides an information sending method and device for providing a solution for how a terminal device should transmit when it needs to simultaneously send information to a base station supporting two different radio access technologies.
  • a method of transmitting information which can be performed by a terminal device.
  • the method includes: determining, by the terminal device, first information to be sent to the first network device in the first time unit, and determining second information to be sent to the second network device in the first time unit; the first network The device and the second network device support different radio access technologies; the terminal device sends the first time in the first time unit according to the information related to the first information and the information related to the second information Information and/or the second information.
  • the terminal device needs to send the first information to the first network device and the second information to the second network device in the first time unit, and the terminal device may be related to the second information according to the information related to the first information.
  • the information to select exactly which of the first information and the second information is sent provides a new solution for the scenario where two different wireless access technologies coexist.
  • the terminal device needs to send information to the base station in the NR system and the base station in the LTE system at the same time, and the terminal device can send one or both of the information to be sent according to the solution provided by the embodiment of the present application, without confusion or Unable to choose.
  • the terminal device sends the first information and/or the second information in the first time unit according to the first information related information and the second information related information. And the terminal device sends the first information and the second information in a time division multiplexing manner in the first time unit according to the first information and the second information.
  • the first information and the second information sent by the terminal device may include the complete first information and the complete second information, or may include the complete first information and the partial second information, or may include part of the first information and Complete second information, or part of the first information and part of the second information.
  • the terminal device does not discard the information as much as possible, and the terminal device may send the first information and the second information in a time division multiplexing manner, for example, sending the first information and then sending the second information in the first time unit. Or sending the first information after sending the second information in the first time unit, in this way, the information can be transmitted as much as possible, and the reliability of the information transmission is improved.
  • the terminal device sends the first information and/or the second information in the first time unit according to the first information related information and the second information related information.
  • the first device sends the first information to the first network device in the first time unit, where the first information related information includes a wireless access technology of the first network device
  • the information related to the second information includes a radio access technology of the second network device, where the radio access technology supported by the first network device is LTE, and the radio access technology supported by the second network device is NR; or, the information related to the first information includes a type of the first information, the information related to the second information includes a type of the second information, and the type of the first information is an initial transmission.
  • the type of the second information is a retransmission; or the information related to the first information includes a type of the first information, and the information related to the second information includes a type of the second information, the first informational
  • the type is retransmission, the type of the second information is initial transmission;
  • the information related to the first information includes a modulation and coding manner of the first information, and the information related to the second information includes the information of the second information a modulation coding mode, where a modulation coding mode of the first information is higher than a modulation coding mode of the second information; or, the information related to the first information includes a transmission block size of the first information, and the second
  • the information related information includes a transport block size of the second information, where a transport block of the first information is greater than a transport block of the second information; or the first information related information includes the first information a type, the second information related information includes a type of the second information, the first information includes information of an ACK/NACK type, and the second information does not
  • the protocol may pre-specify the priority of different radio access technologies.
  • the services in the LTE system are generally more important, and the priority of the LTE may be higher than the priority of the NR.
  • the terminal device preferentially considers the performance of the LTE system, or may also specify the NR. The priority is higher than the priority of LTE.
  • the protocol The priority of the initial transmission data and the retransmission data may be pre-defined.
  • the initial transmission data is new data, and it is required to ensure that the new data is received as much as possible, and the priority of the initial transmission data may be higher than the priority of the retransmitted data.
  • Level, or, retransmission data indicates that the transmission has failed before, then in order to avoid the retransmission failure again, it is necessary to ensure the priority of the retransmission as much as possible, and then the priority of the retransmission data may be specified to be higher than the priority of the initial transmission data.
  • the protocol may specify a priority of different modulation and coding modes, for example, specifying a high modulation coding mode.
  • the priority of the low-modulation coding mode is higher than that of the low-modulation coding mode. If the data is transmitted in the high-modulation coding mode, the terminal device can transmit more data, which can reduce the number of times of information transmission, save transmission resources, or can be specified.
  • the priority of the modulation and coding mode is lower than the priority of the low modulation coding mode, and the data carried by the low modulation coding mode is less, and the transmission of less data also helps to improve the reliability of the transmission.
  • the information related to the first information includes a transport block size of the first information
  • the information related to the second information includes a transport block size of the second information
  • the first information may be the first data
  • the second The information can be the second data.
  • the protocol can specify the priority of different transport block sizes. For example, the priority of the data with the larger transport block size is higher than the priority of the data with the smaller transport block size. If the transport block size is larger, the data is larger. If there are many, the terminal device can send more data, which can reduce the number of times of information transmission, save transmission resources, or specify that the priority of data with a smaller transport block size is higher than the priority of data with a larger transport block size. Level, the transport block size is small, the data is less, and the transmission of less data also helps to improve the reliability of the transmission.
  • the information related to the first information includes the type of the first information
  • the information related to the second information includes the type of the second information, in which the type of the information may indicate the content of the information, that is, the different content represents different Types such as ACK/NACK and SRS are different types.
  • the protocol may pre-specify the priority of different types of information, for example, the priority of ACK/NACK > the priority of CQI/CSI > the priority of the aperiodic SRS > the priority of the periodic SRS > the priority of the data. In this way, it is possible to preferentially transmit more important information and avoid losing important information.
  • the protocol may pre-specify the priority of the period of different lengths, for example, the priority of the short period is higher than the long The priority of the period, the period is short, indicating that the information needs to be transmitted more frequently.
  • Such information can be transmitted preferentially to ensure the continuity of the service, or the priority of the long period is higher than the priority of the short period, and the period is longer.
  • the information will be transmitted once for a long time, so the priority of the long period can be made higher, and the situation that the transmission fails after waiting for a long time is avoided as much as possible.
  • the protocol may pre-specify the priority of the different configuration information, for example, the priority of the periodic information is specified.
  • the priority of the aperiodic information, or the priority of the aperiodic information is higher than the priority of the periodic information, and the aperiodic information may be burst information or information that needs to be temporarily transmitted. Transmission may cause the network device to receive the same type of information again, and the corresponding problem may occur. Therefore, it may be specified that the priority of the aperiodic information is higher than the priority of the periodic information.
  • the terminal device when the type of the first information is the same as the type of the second information, or when the modulation and coding manner of the first information is the same as the modulation and coding manner of the second information, Or when the period of the first information is the same as the period of the second information, or when the configuration information of the first information is the same as the configuration information of the second information, the terminal device is configured according to the Transmitting, by the information-related information and the information related to the second information, the first information and/or the second information in the first time unit, that: the terminal device is in the first time unit Transmitting the first information and the second information by means of time division multiplexing.
  • the terminal device selects to send the first information in the first time unit according to the information related to the first information and the information related to the second information, so that the premise of the processing is related to the first information.
  • the information of the same information as the second information is different, and if the related information of the first information is the same as the related information of the second information, for example, the type of the first information is the same as the type of the second information, or the modulation code of the first information
  • the mode is the same as the modulation and coding of the second information, etc., and may not be transmitted according to the scheme provided by the previous possible design.
  • the terminal device may choose to send the first information and the second information in a time division multiplexing manner, and may discard the information as much as possible to ensure that the information can be transmitted as much as possible.
  • the first information is the first data, and the second information is the second data; or the first information is the first uplink control information, and the second information is the second uplink.
  • Control information or, the first information is a first sounding reference signal SRS, and the second information is a second SRS; or the first information is a first random preamble sequence, and the second information is a second Random leader sequence.
  • the first information and the second information may be the same type of information, for example, the first information and the second information are both data, or the first information and the second information are both uplink control information, etc., or The first information and the second information may also be different types of information, for example, the first information is data, the second information is uplink control information, or the first information is SRS, the second information is data, and the like. No restrictions.
  • a communication device has the function of implementing the terminal device in the above method design. These functions can be implemented in hardware or in software by executing the corresponding software.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • the specific structure of the communication device can include a processor and a transmitter.
  • the processor and transmitter may perform the respective functions of the methods provided by any of the possible aspects of the first aspect or the first aspect described above.
  • a communication device has the function of implementing the terminal device in the above method design. These functions can be implemented in hardware or in software by executing the corresponding software.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • the specific structure of the communication device may include a processing unit and a transmitting unit.
  • the processing unit and the transmitting unit may perform the respective functions of the methods provided by any of the possible aspects of the first aspect or the first aspect described above.
  • a communication device may be a terminal device in the above method design, or a chip disposed in the terminal device.
  • the communication device includes a memory for storing computer executable program code, and a processor coupled to the memory.
  • the program code stored in the memory includes instructions which, when executed by the processor, cause the communication device to perform the method performed by the terminal device in any of the possible aspects of the first aspect or the first aspect described above.
  • a computer storage medium stores instructions that, when run on a computer, cause the computer to perform any of the first aspect or the first aspect of the first aspect of the design Said method.
  • a sixth aspect provides a computer program product comprising instructions, wherein the computer program product stores instructions that, when run on a computer, cause the computer to perform any of the above-described first aspect or any one of the possible aspects of the first aspect The method described in the above.
  • the embodiment of the present application provides a new solution for scenarios in which two different wireless access technologies coexist.
  • the terminal device needs to send information to the base station in the NR system and the base station in the LTE system at the same time, and the terminal device can send one or both of the information to be sent according to the solution provided by the embodiment of the present application, without confusion or Unable to choose.
  • FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present application
  • FIG. 2 is a flowchart of a method for sending information according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a terminal device transmitting a sPUCCH of a PUCCH and an NR system of an LTE system in a time division multiplexing manner according to an embodiment of the present application;
  • FIG. 4 is a schematic diagram of a method in which a terminal device sends a SRS to a network device of an LTE system and a long format PUCCH to a network device of an NR system in a first time unit by using a time division multiplexing manner in the embodiment of the present application;
  • FIG. 5 is a schematic structural diagram of a communication apparatus according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a communication apparatus according to an embodiment of the present application.
  • a terminal device including a device that provides voice and/or data connectivity to a user, for example, may include a handheld device with wireless connectivity, or a processing device connected to a wireless modem.
  • the terminal device can communicate with the core network via a radio access network (RAN) to exchange voice and/or data with the RAN.
  • the terminal device may include a user equipment (UE), a wireless terminal device, a mobile terminal device, a subscriber unit, a subscriber station, a mobile station, a mobile station, and a remote station.
  • Remote station access point (AP), remote terminal, access terminal, user terminal, user agent, or user Equipment (user device) and so on.
  • a mobile phone or "cellular" phone
  • a computer with a mobile terminal device a portable, pocket, handheld, computer built-in or in-vehicle mobile device, smart wearable device, and the like.
  • PCS personal communication service
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA Personal Digital Assistant
  • smart watches smart helmets, smart glasses, smart bracelets, and other equipment.
  • restricted devices such as devices with lower power consumption, or devices with limited storage capacity, or devices with limited computing capabilities. Examples include information sensing devices such as bar code, radio frequency identification (RFID), sensors, global positioning system (GPS), and laser scanners.
  • RFID radio frequency identification
  • GPS global positioning system
  • a network device for example comprising a base station (e.g., an access point), may refer to a device in the access network that communicates over the air interface with the wireless terminal device over one or more cells.
  • the base station can be used to convert the received air frame to an Internet Protocol (IP) packet as a router between the terminal device and the rest of the access network, wherein the remainder of the access network can include an IP network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • the base station may include an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B) in a long term evolution (LTE) system or an evolved LTE system (LTE-A), or
  • the next generation node B (gNB) in the fifth generation mobile communication system (5G) NR system may be included in the embodiment of the present application.
  • system and “network” in the embodiments of the present application may be used interchangeably.
  • Multiple means two or more.
  • a plurality can also be understood as “at least two” in the embodiment of the present application.
  • the character "/” unless otherwise specified, generally indicates that the contextual object is an "or" relationship.
  • NR system 5G NR system
  • LTE system Long Term Evolution
  • FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present invention.
  • FIG. 1 includes two network devices and terminal devices, wherein the network device 1 supports a first type of radio access technology, such as NR, and the network device 2 supports a second type of radio access technology, such as LTE.
  • the terminal device may need to send information to the two network devices at the same time.
  • the network device in FIG. 3 is, for example, an access network (AN) device, such as a base station, in communication with the terminal device, receiving data transmitted by the terminal device, and transmitting the received data to the core network device.
  • AN access network
  • the core network device is not shown in FIG. 1 because the solution of the embodiment of the present application mainly relates to an access network device and a terminal device.
  • the access network device corresponds to different devices in different systems, for example, in the fourth generation mobile communication technology (4G) system, corresponding to the eNB, and in the 5G system, the access network device in the 5G, wherein, in the 5G
  • the access network device does not currently have a formal name, such as gNB.
  • an embodiment of the present application provides an information sending method.
  • the method provided by the embodiment of the present invention is applied to the application scenario shown in FIG. 1 as an example.
  • the terminal device determines first information to be sent to the first network device in the first time unit, and determines second information to be sent to the second network device in the first time unit.
  • the first network device and the second network device support different wireless access technologies.
  • the first information and the second information may be the same type of information.
  • the first information and the second information are data, and the first information is the first data, the second information is the second data, or the first information and
  • the second information is the uplink control information, for example, the information sent by the physical-layer uplink control channel (PUCCH), the first information is the first uplink control information, and the second information is the second uplink control information.
  • the first information and the second information are both sounding and deriving signal (SRS), the first information is the first SRS, the second information is the second SRS, or the first information and the second information are random.
  • SRS sounding and deriving signal
  • the access information is, for example, a random preamble sequence transmitted through a physical-layer random access channel (PRACH), where the first information is a first random preamble sequence and the second information is a second random preamble sequence.
  • PRACH physical-layer random access channel
  • the first information and the second information may be different types of information, for example, the first information is the first data, the second information is the second uplink control information, or the first information is the first SRS, and the second information is the first information.
  • the system can support at least one of the following time units, including:
  • Subframe the length of one subframe is 1 ms, and includes 14 orthogonal frequency division multiplexing (OFDM) symbols under a 15 kHz subcarrier spacing structure.
  • OFDM orthogonal frequency division multiplexing
  • the symbol boundaries of various numerologies for subcarrier spacings of 15 kHz and above are aligned.
  • symbol in the following refers to an OFDM symbol unless otherwise specified.
  • ⁇ Slot is the length of time of a possible scheduling unit.
  • One subframe includes an integer number of slots.
  • Mini-slot which is the minimum length of time for the scheduling unit.
  • the OFDM symbol included in one mini-slot may be smaller than the y symbols under the currently used numerology.
  • the first time unit may be the first subframe, the first time slot, or the first minislot, which is not limited in this embodiment of the present application.
  • the terminal device may determine that the corresponding information needs to be sent after receiving the scheduling information sent by the network device, for example, the terminal device receives the first scheduling information that is sent by the first network device, and the terminal device determines that the first scheduling information needs to be first according to the received first scheduling information.
  • the time unit transmits the first information to the first network device.
  • the terminal device may also determine that the information needs to be sent to the network device without receiving the scheduling information, for example, the first information is an acknowledgement (ACK)/negative acknowledgement (NACK), or is a random preamble sequence, the terminal device may be It is determined that the first information needs to be sent to the first network device without scheduling information.
  • ACK acknowledgement
  • NACK negative acknowledgement
  • the terminal device sends the first information and/or the second information in the first time unit according to the information related to the first information and the information related to the second information. If the terminal device sends the first information in the first time unit, the first network device receives the first information in the first time unit, and if the terminal device sends the second information in the first time unit, the second network device is in the first A time unit receives the second information.
  • the NR system and the LTE system can be deployed simultaneously in the frequency band below 6 GHz.
  • the NR is most likely to be deployed at the frequency of 3.5 GHz
  • the terminal device supporting the dual connectivity (DC) mode of the NR system and the LTE system can be supported in the system, that is, the terminal device can simultaneously Works in LTE systems and NR systems.
  • One possible typical deployment is that the NR system is deployed on a Time Division Duplex (TDD) carrier at 3.5 GHz and the LTE system is deployed at a frequency division duplex of 1.8 GHz (Frequency Division Duplex) , FDD) on the carrier.
  • TDD Time Division Duplex
  • FDD Frequency Division Duplex
  • the terminal device when the terminal device simultaneously transmits uplink information to the network device of the NR system at 3.5 GHz and the network device of the LTE system at 1.8 GHz, if the terminal device also receives the LTE system at the frequency of 1.8 GHz.
  • the downlink information due to the intermodulation problem between the 3.5 GHz and 1.8 GHz signals, will seriously affect the performance of the terminal receiving the downlink information of the LTE system at the frequency of 1.8 GHz.
  • a solution is that for a terminal device operating in the dual connectivity mode of the LTE system and the NR system, it is possible to support only transmitting uplink information at only one frequency point at the same time point, that is, when the terminal When the device sends uplink information at 3.5 GHz, the terminal device does not send uplink information at the frequency of 1.8 GHz, and vice versa. It should be noted that the terminal device does not transmit uplink information at a frequency of 1.8 GHz or 3.5 GHz.
  • the power of the terminal device to transmit uplink information at a frequency of 1.8 GHz or 3.5 GHz is 0, that is, the terminal device can also pass The purpose of uplink single transmission is adjusted by adjusting the power allocated to the NR network device and transmitting the uplink information to the LTE network device.
  • the terminal device discards uplink information that needs to be transmitted at a frequency of 1.8 GHz or 3.5 GHz.
  • the network device of the NR system and the network device of the LTE system may be network devices deployed on different sites, or may be network devices deployed on the same site.
  • the terminal device may be scheduled by the network device of the LTE and the network device of the NR to send uplink information in the same time unit. At this time, if the terminal device adopts the mechanism of uplink single transmission, the terminal device needs to determine whether to send uplink information to the network device of the LTE system or uplink information to the network device of the NR system.
  • the terminal device randomly selects, for example, the terminal device randomly selects to discard the uplink information sent to the network device of the LTE system, and only sends the uplink information to the network device of the NR system, or the terminal device randomly The uplink information sent to the NR network device is discarded, and only the uplink information is sent to the network device of the LTE system.
  • the terminal device may discard the inclusion.
  • the uplink control information such as ACK/NACK, prevents the network device from receiving the ACK/NACK of the downlink signal sent by the terminal device, which may seriously affect the downlink transmission performance of the LTE system or the NR system.
  • the embodiment of the present application further provides some new solutions to ensure the downlink transmission performance of the LTE system or the NR system as much as possible in the event of a collision.
  • the S22 may be implemented in that the terminal device sends the first information and the second information in a first time unit in a time division multiplexing manner according to the first information and the second information.
  • the terminal device does not discard any information and selects to send the first information and the second information. Then, in order to transmit the first information and the second information, the terminal device may send in a time division multiplexing manner, for example, at the first.
  • the second information is sent after the first information is sent in the time unit, or the first information is sent after the second information is sent in the first time unit. In this way, information can be transmitted as much as possible.
  • the transmission may include the following situations: A, transmitting the complete first information and the complete second information in the first time unit; B, transmitting the complete in the first time unit The first information and the partial second information; C, transmitting the partial first information and the complete second information in the first time unit; D, transmitting the partial first information and the partial second information in the first time unit.
  • Which transmission result is specifically used is related to the length of the first information and the second information, and also to the length of the first time unit.
  • the first time unit can transmit the complete first information and the complete second information, and if the first information and the second information The total length of the first time unit is greater than the length of the first time unit, and the first time unit can only transmit part of the information of the first information and the second information.
  • case B, case C, Or the case D is transmitted, which may be determined by the terminal device according to different situations, for example, may be determined according to the priority of the first information and the second information: if the priority of the first information is higher than the priority of the second information, the adoption situation B transmission, if the priority of the first information is lower than the priority of the second information, the transmission is performed by case C, and if the priority of the first information is the same as the priority of the second information, the transmission of case D is adopted.
  • the terminal device can also determine which case to use based on other information, which is not limited in the embodiment of the present application.
  • the terminal device when the terminal device is scheduled to transmit both the PUCCH of the LTE system and the short PUCCH of the NR system in the first time unit, the terminal device may transmit the PUCCH of the LTE system in a time division multiplexing manner.
  • the sPUCCH of the NR system is shown in Figure 3.
  • the first time unit is 1 subframe, and the time length is 1 millisecond (ms), and the terminal device can send the PUCCH of the LTE system on the first 13 symbols of the subframe, such as the backslash in FIG.
  • the box indicated by "/" indicates the first 13 symbols of the subframe, and the last symbol of the terminal device transmits the sPUCCH of the NR system in the last symbol of the subframe, as shown by the slash " ⁇ " in FIG. It represents the last symbol of the subframe.
  • the sPUCCH of the NR system may be transmitted at a subcarrier interval of 15 kHz or may be transmitted at a subcarrier interval of 30 kHz or more.
  • the first time unit is of course not limited to one subframe, and may be one slot or one minislot or the like. It can be seen that the terminal device can implement the PUCCH of the LTE system and the NR system in the same time period by using the time division multiplexing transmission mode, thereby avoiding loss of transmission performance of the two RATs.
  • both the PUCCH is sent to the network device of the LTE system and the short format is sent to the network device of the NR system.
  • the terminal device may transmit the PUCCH to the network device of the LTE system and the short format PUCCH to the network device of the NR system in the first time unit in a time division multiplexing manner.
  • the terminal device may also adopt the time division multiplexing manner.
  • a time unit sends an SRS to the network device of the LTE system and sends a long format PUCCH to the network device of the NR system.
  • the first time unit is one subframe, and the terminal device is in front of the subframe.
  • the long format PUCCH is transmitted to the network device of the NR system on 13 symbols, and the box shown by the backslash "/" in FIG. 4 indicates the first 13 symbols of the subframe, on the last symbol of the subframe.
  • the SRS is transmitted to the network device of the LTE system, and the block shown by the slash "/" in FIG. 4 indicates the last symbol of the subframe.
  • the S22 may also be implemented in the following manner: the terminal device sends the first information and the second information in a polling manner in the first time unit according to the first information and the second information.
  • the terminal device determines third information to be sent to the first network device in the second time unit, and determines fourth information to be sent to the second network device in the second time unit, the terminal device Selecting one of the information transmissions, for example, arbitrarily selecting to send the third information to the first network device, and discarding the fourth information to be sent to the second network device.
  • the terminal device determines first information to be sent to the first network device in the first time unit, and determines second information to be sent to the second network device in the first time unit, where the second moment is located After a moment, the conflict occurs again, then the terminal device can choose to send the second information to the second network device and discard the first information to be sent to the first network device.
  • the terminal device can poll to send information to different network devices, and so on.
  • the fairness of the LTE system and the NR system can be guaranteed.
  • the polling method in this embodiment is only an example, and the terminal device may also adopt other polling modes, including adopting different polling periods, different polling sequences, and the like.
  • S22 may also be implemented in that the terminal device sends the first information and/or the first information in the first time unit according to the priority of the information related to the first information and the priority of the information related to the second information.
  • Two information For example, if the priority of the information related to the first information is higher than the priority of the information related to the second information, the terminal device sends the first information to the first network device in the first time unit, or the related information of the first information. The priority of the information is lower than the priority of the information related to the second information, and the terminal device sends the second information to the first network device in the first time unit. In this manner, the terminal device selects to send a message from the first information and the second information, so as to ensure that the transmitted information can be completely transmitted. Moreover, the terminal device is selected according to the priority, and the information with higher priority cannot be transmitted as much as possible, and the performance of the system is not affected as much as possible.
  • the information related to the information includes a variety of, which are introduced separately below.
  • Information related information includes the type of information.
  • the information related to the first information includes a type of the first information
  • the information related to the second information includes a type of the second information.
  • the protocol can pre-specify the priority of the initial data and the retransmitted data.
  • the initial data is new data, and needs to be guaranteed as much as possible. If the new data is received preferentially, the priority of the initial transmission data may be higher than the priority of the retransmitted data, or the retransmission data indicates that the transmission has failed before, so in order to avoid the retransmission failure again, it is necessary to ensure the retransmission as much as possible. Priority, you can specify that the priority of retransmitted data is higher than the priority of the initial data.
  • the terminal device when the terminal device is scheduled to send a physical-layer uplink shared channel (PUSCH) to the network device of the LTE system in the first time unit, and the PUSCH is sent to the network device of the NR system, the terminal device may Which signal is transmitted is determined according to the parameters of the data of the PUSCH transmission of the LTE system and the parameters of the data of the PUSCH transmission of the NR system. If the priority of the initial transmission data is higher than the priority of the retransmission data, the data carried by the PUSCH of the network device sent to the LTE system is the initial transmission data, and the data carried by the PUSCH of the network device sent to the NR system is heavy.
  • PUSCH physical-layer uplink shared channel
  • the terminal device When transmitting data, the terminal device determines to transmit the PUSCH of the LTE system carrying the higher priority initial transmission data, and discards the PUSCH of the NR system. If the priority of the retransmission data is higher than the priority of the initial transmission data, when the data carried by the PUSCH of the LTE system is the initial transmission data and the data carried by the PUSCH of the NR system is the retransmission data, the terminal device determines the transmission carrying priority. The higher retransmission data is sent to the PUSCH of the NR system, and the PUSCH transmitted to the LTE system is discarded.
  • the information related information includes a modulation and coding scheme (MCS) of the information, and the modulation and coding scheme may include a modulation scheme and a code rate of the coding.
  • MCS modulation and coding scheme
  • the protocol can specify the priority of different modulation and coding modes, for example, the priority of the high modulation coding mode is higher than the priority of the low modulation coding mode, and the data carried by the high modulation coding mode is more, and the terminal device can transmit more.
  • the data can reduce the number of times of information transmission and save transmission resources, or can specify that the priority of the high modulation coding mode is lower than the priority of the low modulation coding mode, and the data carried by the low modulation coding mode is less, and the transmission is less.
  • the data also helps to improve the reliability of the transmission.
  • the data carried by the PUSCH of the network device sent by the terminal device to the LTE system is modulated by a quadrature phase shift keying (QPSK), and the data carried by the PUSCH of the network device sent by the terminal device to the NR system is 16
  • QPSK quadrature phase shift keying
  • the quadrature amplitude modulation (QAM) modulation if the priority of the high modulation coding mode is higher than the priority of the low modulation coding mode, the terminal device determines the NR system with a higher priority for transmitting the modulation coding mode.
  • the PUSCH discards the PUSCH of the LTE system with a lower priority of the modulation and coding scheme, or if the priority of the high modulation coding scheme is lower than the priority of the low modulation coding scheme, the terminal device determines the priority of the transmission modulation and coding scheme.
  • the PUSCH of the higher-order LTE system is discarded, and the PUSCH of the lower priority NR system of the modulation and coding scheme is discarded.
  • the information related information includes a transport block size (TBS) of the information, where the information related to the first information includes a transport block size of the first information, and the information related to the second information includes a transport block of the second information. size. Since the transport block size is involved, the first information may be the first data and the second information may be the second data. Then the protocol can specify the priority of different transport block sizes. For example, the priority of the data with the larger transport block size is higher than the priority of the data with the smaller transport block size. If the transport block size is larger, the data is larger.
  • TBS transport block size
  • the terminal device can send more data, which can reduce the number of times of information transmission, save transmission resources, or specify that the priority of data with a smaller transport block size is higher than the priority of data with a larger transport block size. Level, the transport block size is small, the data is less, and the transmission of less data also helps to improve the reliability of the transmission.
  • the terminal device is scheduled to transmit the first data to the network device of the LTE system and the second data to the network device of the NR system in the first time unit, and transmit the first data to the network device of the LTE system.
  • the block size is A
  • the transport block size of the second data transmitted to the network device of the NR system is B
  • A is greater than B. If the priority of the data specifying the transport block size is higher than the priority of the data of the transport block size is smaller, the terminal device selects to send the first data to the network device of the LTE system, and discards the data to be sent to the NR system.
  • the second data of the network device and if the priority of the data specifying the smaller transport block size is higher than the priority of the data having the larger transport block size, the terminal device selects to send the second to the network device of the NR system. Data, while discarding the first data to be sent to the network device of the LTE system.
  • the information related information includes the type of the information, and the information related to the first information includes the type of the first information, and the information related to the second information includes the type of the second information.
  • the type of information may indicate the content of the information, that is, different content represents different types, for example, ACK/NACK and SRS are different types.
  • the protocol may pre-specify the priority of different types of information, for example, acknowledgment of ACK/NACK > channel quality indicator (CQI) / channel state information (CSI) priority > aperiodic SRS Priority > Priority of SRS > Priority of data. In this way, it is possible to preferentially transmit more important information and avoid losing important information.
  • the terminal device is scheduled to send the PUCCH to the network device of the LTE system in the first time unit, and send the PUCCH in the long format to the network device of the NR system, and the PUCCH sent to the LTE system carries the ACK/NACK. While the PUCCH sent to the NR system carries CQI/CSI, the terminal device may select to transmit the PUCCH of the LTE system carrying the high priority ACK/NACK, and discard the PUCCH of the NR system, and vice versa. In this way, it is ensured that high priority control information is transmitted. It should be noted that the control information carried in the PUCCH is not limited to the mentioned information, and may also include other information.
  • the information related information includes the information of the wireless access technology of the destination network device of the information, and the information of the wireless access technology of the destination network device is used to indicate the wireless access technology adopted by the destination network device.
  • the related information of the first information includes information of a wireless access technology of the first network device
  • the related information of the second information includes information of a wireless access technology of the second network device.
  • the protocol may pre-specify the priority of different radio access technologies. For example, the services in the LTE system are generally more important, and the priority of the LTE may be higher than the priority of the NR. In the setting of the priority, the terminal The device prioritizes to ensure the performance of the LTE system, or may also specify that the priority of the NR is higher than the priority of the LTE.
  • the terminal device may send the first information and/or the second information in the first time unit according to the priority of the information related to the first information and the priority of the information related to the second information, or The terminal device may also send the first information and/or the second information in the first time unit according to the priority of the information related to the first information or the priority of the information related to the second information, ie, in this case, the terminal The device can consider two pieces of information-related information, and only consider one of the information-related information.
  • the terminal device selects the first The network device sends the first information, and discards the second information to be sent to the second network device, or if the priority of the NR is higher than the priority of the LTE, the terminal device selects to send the second information to the second network device, And discarding the first information to be sent to the first network device.
  • the information related information includes a period of information
  • the related information of the first information includes a period of the first information
  • the related information of the second information includes a period of the second information.
  • the protocol may pre-specify the priority of the period of different lengths, for example, the priority of the short period is higher than the priority of the long period, and the period is shorter, indicating that the information needs to be transmitted more frequently, and such information can be transmitted preferentially to ensure the service. Continuity, or the priority of the long period is higher than the priority of the short period. If the period is long, the information will be transmitted once for a long time. Therefore, the priority of the long period can be made higher, and the waiting time is avoided as much as possible. After that, the transmission still fails.
  • the terminal device is scheduled to send the SRS to the network device of the LTE system and the SRS to the network device of the NR system in the first time unit, and the SRS period sent to the network device of the LTE system is 20 ms, to the NR system.
  • the period of the SRS sent by the network device is 80 ms. If the priority of the short period is higher than the priority of the long period, the terminal device selects to send the SRS to the network device of the LTE system, and discards the network device to be sent to the NR system.
  • the terminal device selects to transmit the SRS to the network device of the NR system, and discards the SRS of the network device to be transmitted to the LTE system.
  • the information related information includes configuration information of the information
  • the related information of the first information includes configuration information of the first information
  • the related information of the second information includes configuration information of the second information.
  • the information configuration information may indicate whether the information is periodic information.
  • the protocol may pre-determine the priority of different configuration information, for example, the priority of the periodic information is higher than the priority of the aperiodic information, or the priority of the aperiodic information is higher than the priority of the periodic information, and the aperiodic Sexual information may be burst information, or information that needs to be temporarily transmitted. If such information is not transmitted, the network device may not receive the same type of information again, and corresponding problems may occur. Therefore, the priority of the aperiodic information may be specified. The level is higher than the priority of the periodic information.
  • the terminal device is scheduled to send the SRS to the network device of the LTE system and the SRS to the network device of the NR system in the first time unit, and the SRS sent to the network device of the LTE system is aperiodic information, and is sent to the terminal device.
  • the SRS of the network device of the NR system is periodic information. If the priority of the periodic information is higher than the priority of the aperiodic information, the terminal device selects to send the SRS to the network device of the NR system, and discards to be sent to the network device of the NR system.
  • the SRS of the network device of the LTE system and if the priority of the aperiodic information is higher than the priority of the periodic information, the terminal device selects to send the SRS to the network device of the LTE system, and discards the network device to be sent to the NR system. SRS.
  • the embodiments of the present application define different priorities, so that the terminal device can solve the conflict problem of the uplink information according to the corresponding priority.
  • the embodiment of the present application provides a solution for the same type of channel or information conflict between different radio access technologies, and different criteria for different channels or information can be used to maximize the compensation due to information discarding.
  • the performance loss is a problem for the same type of channel or information conflict between different radio access technologies, and different criteria for different channels or information can be used to maximize the compensation due to information discarding. The performance loss.
  • the example described above is to determine the transmitted information according to the priority. This method is more suitable for the case where the priorities of the two information-related information are different. An example is given below to introduce the information related to the first information. How the terminal device chooses when the information related information has the same priority.
  • the terminal device may arbitrarily select one information transmission from the first information and the second information, and discard another information. Or the terminal device may send the first information and the second information in a time division multiplexing manner in the first time unit, or the terminal device may also send the first information and the second information in a polling manner, which is not limited in the embodiment of the present application. .
  • the time division multiplexing method and the polling method the implementation manner has been introduced in the previous contents, and will not be described in detail.
  • the arrows for indicating the step S22 in FIG. 2 are all indicated by broken lines, indicating that it is necessary It is determined according to the selection of the terminal device.
  • the terminal device sends the first information and/or the second information in the first time unit according to the information related to the first information and the information related to the second information, in fact, before the sending.
  • the terminal device needs to determine which information to send first, that is, the terminal device determines that the first information and/or the second information is sent in the first time unit according to the information related to the first information and the information related to the second information, and then the terminal The device then transmits the determined information, and the determined information includes the first information and/or the second information.
  • the first network device and the second network device since the information is not allowed to be exchanged more frequently, the first network device and the second network device may not know that the other network device is also waiting for the information transmitted by the terminal device at the same time, For the first network device and the second network device, a normal blind check is performed in the first time unit, and if the terminal device sends the first information in the first time unit, the first network device may detect the first information. If the terminal device sends the second information in the first time unit, the second network device may detect the second information, and if the terminal device does not send the first information in the first time unit, the first network device cannot detect the second information. The first information is similar. If the second device does not send the second information in the first time unit, the second network device cannot detect the second information. For the network device, packet loss may be considered.
  • the terminal device when the terminal device needs to send information to the network device that supports different radio access technologies, the terminal device can determine the sent information according to the preset criteria, so that the terminal device can work normally.
  • the terminal device in the embodiment of the present application can determine the sent information according to a preset criterion, so that the communication performance of the terminal device can be ensured from different angles by setting different criteria. It is possible to avoid the problem of greatly impaired performance due to random discarding of information.
  • FIG. 5 shows a schematic structural diagram of a communication device 500.
  • the communication device 500 can implement the functions of the terminal device referred to above.
  • the communication device 500 may be the terminal device described above, or may be a chip disposed in the terminal device described above.
  • the communication device 500 can include a processor 501 and a transmitter 502.
  • the processor 501 can be used to perform S21 in the embodiment shown in FIG. 2, and/or other processes for supporting the techniques described herein.
  • Transmitter 502 can be used to perform S22 in the embodiment shown in FIG. 2, and/or other processes for supporting the techniques described herein.
  • the processor 501 is configured to determine first information to be sent to the first network device in the first time unit, and determine second information to be sent to the second network device in the first time unit; a network device and the second network device support different radio access technologies; and, configured to control the transmitter 502 at the first time according to the first information related information and the second information related information
  • the unit transmits the first information and/or the second information.
  • the communication device 500 is presented in the form of dividing each functional module into individual functional modules, or may be presented in an integrated manner to divide the functional modules.
  • a “module” herein may refer to an application-specific integrated circuit (ASIC), a processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or other devices that provide the above functionality. .
  • ASIC application-specific integrated circuit
  • the communication device 500 can also be implemented by the structure of the communication device 600 as shown in FIG.
  • the communication device 600 can include a processor 601.
  • the communication device 600 can be a field-programmable gate array (FPGA), an application specific integrated circuit (ASIC), a system on chip (SoC), and a central processor unit. , CPU), network processor (NP), digital signal processor (DSP), microcontroller (micro controller unit (MCU), or programmable logic device (PLD) ) or other integrated chips.
  • the communication device 600 can be configured in the terminal device of the embodiment of the present application, so that the terminal device implements the information sending method provided by the embodiment of the present application.
  • the communication device 600 can also include a memory 602, which can be continued with reference to FIG. 6, wherein the memory 602 is used to store computer programs or instructions, and the processor 601 is used to decode and execute the computer programs or instruction. It should be understood that these computer programs or instructions may include the functional programs of the terminal devices described above. When the function program of the terminal device is decoded and executed by the processor 601, the terminal device can be configured to implement the function of the terminal device in the information sending method of the embodiment of the present application.
  • the functional programs of these terminal devices are stored in a memory external to the communication device 600.
  • the function program of the terminal device is decoded and executed by the processor 601, part or all of the contents of the function program of the terminal device is temporarily stored in the memory 602.
  • the functional programs of these terminal devices are disposed in a memory 602 that is stored internal to the communication device 600.
  • the function program of the terminal device is stored in the memory 602 inside the communication device 600, the communication device 600 can be disposed in the terminal device of the embodiment of the present application.
  • portions of the functional programs of the terminal devices are stored in a memory external to the communication device 600, and other portions of the functional programs of the terminal devices are stored in the memory 602 internal to the communication device 600.
  • the communication device 500 provided by the embodiment shown in FIG. 5 can also be implemented in other forms.
  • the communication device includes a processing unit and a transmitting unit.
  • the processing unit can be used to perform S21 in the embodiment shown in FIG. 2, and/or other processes for supporting the techniques described herein.
  • the transmitting unit can be used to perform S22 in the embodiment shown in FIG. 2, and/or other processes for supporting the techniques described herein.
  • the processing unit is configured to determine first information to be sent to the first network device in the first time unit, and to determine second information to be sent to the second network device in the first time unit;
  • the network device and the second network device support different radio access technologies; and, configured to, according to the first information related information and the second information related information, control sending unit to send in the first time unit The first information and/or the second information.
  • the communication device 500 and the communication device 600 provided by the embodiments of the present application can be used to perform the method provided by the embodiment shown in FIG. 2, and the technical effects that can be obtained by referring to the foregoing method embodiments are not described herein.
  • Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG.
  • These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another readable storage medium, for example, the computer instructions can be passed from a website site, computer, server or data center Wired (eg, coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg, infrared, wireless, microwave, etc.) to another website site, computer, server, or data center.
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (eg, a solid state disk (SSD)) or the like.
  • a magnetic medium eg, a floppy disk, a hard disk, a magnetic tape
  • an optical medium eg, a DVD
  • a semiconductor medium eg, a solid state disk (SSD)

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un procédé et un dispositif d'envoi d'informations, pour fournir une solution sur la manière d'envoyer des informations lorsqu'un dispositif terminal doit envoyer simultanément des informations à une station de base qui prend en charge deux technologies d'accès sans fil différentes. Le procédé d'envoi d'informations comprend les étapes suivantes : un dispositif terminal détermine des premières informations à envoyer, dans une première unité de temps, à un premier dispositif de réseau, et détermine des secondes informations à envoyer, dans la première unité de temps, à un second dispositif de réseau ; le premier dispositif de réseau et le second dispositif de réseau prennent en charge différentes technologies d'accès sans fil ; et le dispositif terminal envoie, selon des informations relatives aux premières informations et des informations relatives aux secondes informations, les premières informations et/ou les secondes informations dans la première unité de temps.
PCT/CN2018/095703 2017-08-11 2018-07-13 Procédé et dispositif d'envoi d'informations WO2019029322A1 (fr)

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