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WO2017185896A1 - Procédé de traitement et de distribution d'informations de planification, dispositif, système, et support de stockage - Google Patents

Procédé de traitement et de distribution d'informations de planification, dispositif, système, et support de stockage Download PDF

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Publication number
WO2017185896A1
WO2017185896A1 PCT/CN2017/076674 CN2017076674W WO2017185896A1 WO 2017185896 A1 WO2017185896 A1 WO 2017185896A1 CN 2017076674 W CN2017076674 W CN 2017076674W WO 2017185896 A1 WO2017185896 A1 WO 2017185896A1
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Prior art keywords
random access
range
prach
response message
access response
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PCT/CN2017/076674
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English (en)
Chinese (zh)
Inventor
邹伟
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, a device, a system, and a storage medium for processing and transmitting scheduling information.
  • Machine to Machine (M2M) communication is an important subject of the fifth generation of mobile communication technology (5th Generation, 5G), and an important application field for wireless communication in the future.
  • 3GPP 3rd Generation Partnership Project
  • NB-IoT Narrow Band Internet of Things
  • the goal of the project is to build a system similar to Long-Term Evolution (LTE) in the 200 kHz band to provide low-throughput wireless communication services for low-cost terminals.
  • LTE Long-Term Evolution
  • the downlink still uses Orthogonal Frequency Division Multiple Access (OFDMA) technology
  • SC-FDMA Single-Carrier Frequency Division Multiple Access
  • the subcarrier width increases the subcarrier width of 3.75 KHz in the uplink in addition to the subcarrier width of 15 KHz in the LTE system to further enhance the coverage capability of the uplink of the machine terminal.
  • relevant technical standards are being studied within the 3GPP International Organization for Standardization.
  • RA-RNTI Random Access Radio Network Temporary Identity
  • PRACH physical random access channel
  • RAR Random Access Response
  • the RA-RNTI used by the user equipment is based on the first subframe number (0 to 9) where the PRACH of the random access preamble is located, and the index of the PRACH in the frequency domain of the random access preamble is transmitted (0 to 5) Calculated.
  • the traditional RA-RNTI calculation method is calculated by using the subframe number of the first subframe occupied by the PRACH that transmits the random access preamble and the frequency index number of the PRACH as parameters, and supports a maximum of 10 ms frame range. Identification of PRACH within.
  • a random access response message often includes multiple RAR units, and each RAR unit includes a random access preamble identity (RAPID). ) is used to indicate the target user of the RAR unit. If a certain user sends a random access preamble in the foregoing PRACH, it receives the RAR unit with the corresponding RAPID in the random access response message.
  • RAPID random access preamble identity
  • a user after transmitting a random access preamble, a user must detect all physical downlink control channels (PDCCHs) in a specified RAR window; and if in a certain PDCCH
  • PDCCHs physical downlink control channels
  • DCI downlink control information
  • the RA-RNTI corresponding to the PRACH needs to receive all RAR units in the random access response message according to the DCI information.
  • the random access response message may not be able to accommodate all the RAR units corresponding to the above RA-RNTI.
  • two solutions are provided in the related art:
  • Solution 1 Sending multiple different random access response messages by using the same RA-RNTI
  • the disadvantage of this solution is that the user needs to use the same RA-RNTI to perform multiple demodulation on the PDCCH and receive multiple different random access response messages in the PDSCH.
  • the PDCCH needs to be in the PDCCH. Scheduling information including a plurality of random access response messages, thereby increasing the overhead of the PDCCH.
  • the user in the solution needs to receive multiple random connections In response message. Even if a random access response message does not contain the RAR unit of the user, the user must know after receiving it.
  • the second method reduces the number of PRACH channels or sequences corresponding to the RA-RNTI, so that the size of the maximum random access response message does not exceed the maximum data packet that the PDSCH can support.
  • the disadvantage of this scheme is that since the number of PRACH channels or sequences corresponding to the RA-RNTI is reduced, it effectively solves the problem that the maximum packet size that the PDSCH can support is small, but when the signal is detected, the PRACH is detected.
  • the number of channels or sequences is small and the distribution exceeds the narrowed PRACH channel or sequence range, the situation that was originally processed using a random access response message now needs to be processed using multiple random access response messages, which undoubtedly increases PDCCH overhead.
  • the embodiment of the present invention is to provide a processing, a sending method, a device, a system, and a storage medium for scheduling information, so as to at least solve the problem that the maximum data packet supported by the PDSCH is small in the related art, and the terminal side The problem of receiving a random access response message that does not belong to itself cannot be avoided.
  • An embodiment of the present invention provides a method for processing scheduling information, including:
  • the scheduling information of the random access response message received by the base station where the scheduling information carries the indication information, and determines whether to receive the random access response message according to the indication information.
  • the indication information is a range indication information indicating a range of PRACHs corresponding to RAR units included in the scheduled random access response message and/or a range of random access preambles.
  • the scope of the PRACH includes one of the following: a time domain range of the PRACH; The frequency domain range of the PRACH; the time-frequency domain range of the PRACH.
  • the frequency domain range of the PRACH includes one or more frequency domain consecutive subcarriers.
  • the frequency domain of the PRACH is 12 consecutive subcarriers with a wideband of 3.75 KHz.
  • the time domain range of the PRACH includes one or more time domain consecutive subframes or frames.
  • the scope of the PRACH includes one or more PRACHs.
  • the range of random access preambles includes one or more random access preambles.
  • the method before receiving the scheduling information from the base station, the method further includes: selecting one PRACH and/or one random access preamble, and sending a random access request to the base station.
  • determining whether to receive the random access response message according to the indication information includes: determining whether the selected PRACH is included Within the scope of the PRACH; if yes, the random access response message is received; if not, the random access response message is ignored.
  • determining whether to receive the random access response message according to the indication information comprises: determining the selected random Whether the access preamble is included in the range of the random access preamble; if so, the random access response message is received; if not, the random access response message is ignored.
  • determining whether to receive the random access response message according to the indication information includes: determining Whether the selected PRACH is included in the range of the PRACH and whether the selected random access preamble is included in the range of the random access preamble; if the selected PRACH is included in the PRACH range and selected The random access preamble is included in the range of the random access preamble, and then receives the random access response message; if the selected PRACH is not included in the PRACH range and/or the selected random access preamble is not The random access response message is ignored if it is included in the range of the random access preamble.
  • the range of the PRACH corresponding to the single RA-RNTI value or the range of the random access preamble is divided into multiple regions in advance, and different bits are used in the scheduling information to indicate different regions; or Different values corresponding to the selected plurality of bits indicate different sets of regions.
  • the dividing operation of the range of the PRACH or the range of the random access preamble is performed according to one of the following manners: dividing the range of the PRACH into multiple areas in advance in the frequency domain; pre-establishing the PRACH in the time domain The range is divided into multiple areas; the range of the PRACH is divided into multiple areas in advance in the time-frequency domain; the random access preamble range sent in the preset PRACH is divided into multiple areas in advance.
  • the manner of dividing the range of the PRACH or the range of the random access preamble is agreed by a protocol, or is determined by the base station and received from the base station.
  • a method for sending scheduling information including:
  • the scheduling information of the random access response message is sent to the terminal, where the scheduling information carries the indication information, where the indication information is used to indicate whether the terminal determines whether to receive the random access response message.
  • the indication information is a range indication information indicating a range of PRACH corresponding to the RAR unit included in the scheduled random access response message, and/or a range for indicating a random access preamble.
  • the range of the PRACH includes one of the following: a time domain range of the PRACH; a frequency domain range of the PRACH; and a time-frequency domain range of the PRACH.
  • the frequency domain range of the PRACH includes one or more frequency domain consecutive subcarriers.
  • the frequency domain of the PRACH is 12 consecutive subcarriers with a wideband of 3.75 KHz.
  • the time domain range of the PRACH includes one or more time domain consecutive subframes or frames.
  • the scope of the PRACH includes one or more PRACHs.
  • the range of random access preambles includes one or more random access preambles.
  • the range of the PRACH corresponding to the single RA-RNTI value or the range of the random access preamble is divided into multiple regions in advance, and different bits are used in the scheduling information to indicate different regions; or Different values corresponding to the selected plurality of bits indicate different sets of regions.
  • the dividing operation of the range of the PRACH or the range of the random access preamble is performed according to one of the following manners: dividing the range of the PRACH into multiple areas in advance in the frequency domain; pre-establishing the PRACH in the time domain The range is divided into multiple areas; the range of the PRACH is divided into multiple areas in advance in the time-frequency domain; the random access preamble range sent in the preset PRACH is divided into multiple areas in advance.
  • the division of the range of the PRACH or the range of the random access preamble is agreed by a protocol, or is determined by the base station and notified to the terminal.
  • a processing apparatus for scheduling information including:
  • the receiving module is configured to receive scheduling information of the random access response message from the base station, where the scheduling information carries the indication information, and the determining module is configured to determine, according to the indication information, whether to receive the random access response message.
  • the indication information is a range indication information indicating a range of PRACH corresponding to the RAR unit included in the scheduled random access response message, and/or a range for indicating a random access preamble.
  • the range of the PRACH includes one of the following: a time domain range of the PRACH; a frequency domain range of the PRACH; and a time-frequency domain range of the PRACH.
  • the frequency domain range of the PRACH includes one or more frequency domain consecutive subcarriers.
  • the frequency domain of the PRACH is 12 consecutive subcarriers with a wideband of 3.75 KHz.
  • the time domain range of the PRACH includes one or more time domain consecutive subframes or frames.
  • the scope of the PRACH includes one or more PRACHs.
  • the range of random access preambles includes one or more random access preambles.
  • the apparatus further includes: a sending module, configured to select a PRACH and/or a random access preamble, and send a random access request to the base station;
  • the sending module includes a first sending module, a second sending module, and a third sending module;
  • the first sending module is configured to select a PRACH and send a random access request to the base station;
  • the first sending module is configured to select a random access preamble and send a random access request to the base station;
  • the first sending module is configured to select one PRACH and one random access preamble, and send a random access request to the base station.
  • the determining module includes: a determining unit, configured to determine whether the selected PRACH is included in a range of the PRACH; and the first processing unit is configured to receive the random access response message when the output of the determining unit is YES The second processing unit is configured to ignore the random access response message when the output of the determining unit is negative.
  • the determining module includes: a determining unit configured to determine the selected random Whether the access preamble is included in the range of the random access preamble; the first processing unit is configured to receive the random access response message when the output of the determining unit is YES; and the second processing unit is configured to output the determining unit The random access response message is ignored.
  • the determining module includes: a determining unit, configured to determine whether the selected PRACH is included in a range of the PRACH and determine whether the selected random access preamble is included in a range of the random access preamble; A processing unit is configured to receive a random access response message when the output of the determining unit is YES; and the second processing unit is configured to ignore the random access response message when the output of the determining unit is negative.
  • a device for transmitting scheduling information including:
  • the sending module is configured to send the scheduling information of the random access response message to the terminal, where the scheduling information carries the indication information, where the indication information is used to instruct the terminal to determine whether to receive the random access response message.
  • the indication information is a range indication information indicating a range of PRACHs corresponding to RAR units included in the scheduled random access response message and/or a range of random access preambles.
  • the range of the PRACH includes one of the following: a time domain range of the PRACH; a frequency domain range of the PRACH; and a time-frequency domain range of the PRACH.
  • the frequency domain range of the PRACH includes one or more frequency domain consecutive subcarriers.
  • the frequency domain of the PRACH is 12 consecutive subcarriers with a wideband of 3.75 KHz.
  • the time domain range of the PRACH includes one or more time domain consecutive subframes or frames.
  • the scope of the PRACH includes one or more PRACHs.
  • the range of random access preambles includes one or more random access preambles.
  • a processing system for invoking information including: a base station and a terminal, and a base station configured to send scheduling information of a random access response message to the terminal, where the scheduling information carries an indication The information indicating that the terminal determines whether to receive the random access response message, and the terminal is configured to receive the scheduling information of the random access response message from the base station, and determine whether to receive the random access according to the indication information carried in the scheduling information. Response message.
  • An embodiment of the present invention further provides a terminal, including: a receiver and a first processor; wherein
  • the receiver is configured to receive scheduling information of a random access response message from a base station, where the scheduling information carries indication information;
  • the first processor is configured to determine, according to the indication information, whether to receive the random access response message.
  • the indication information is range indication information, used to indicate a range of PRACH corresponding to the RAR unit included in the scheduled random access response message, and/or a range for indicating a random access preamble.
  • the terminal further includes a first transmitter
  • the first transmitter is configured to select a PRACH to send a random access request to the base station;
  • the first processor is further configured to determine whether the PRACH selected by the transmitter is included in a range of the PRACH;
  • the terminal further includes a second transmitter
  • the second transmitter is configured to select a random access preamble and send a random access request to the base station;
  • the first processor is further configured to determine whether a random access preamble selected by the second transmitter is included in a range of the random access preamble;
  • the terminal further includes a third transmitter
  • the third transmitter is configured to select one PRACH and one random access preamble, and send a random access request to the base station;
  • the first processor is further configured to determine whether the PRACH selected by the third transmitter is included in the range of the PRACH, and determine whether the selected random access preamble is included in the random Within the scope of the access preamble;
  • An embodiment of the present invention further provides a base station, including a second processor
  • the second processor is configured to send scheduling information of the random access response message to the terminal, where the scheduling information carries indication information, where the indication information is used to indicate that the terminal determines whether to receive the random connection. In response message.
  • the indication information is range indication information, used to indicate a range of PRACH corresponding to the RAR unit included in the scheduled random access response message, and/or a range for indicating a random access preamble.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program, and the computer program is used to execute the method for transmitting the scheduling information in the embodiment of the present invention.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program, and the computer program is used to execute the processing method of the scheduling information in the embodiment of the present invention.
  • the base station adds the indication information to the scheduling information of the random access response message sent by the terminal, to instruct the terminal to determine whether to receive the random access response message according to the indication information, so that the terminal can timely identify whether the terminal
  • the random access response message of the subsequent arrival needs to be received, so as to avoid receiving the random access response message that does not belong to itself, and thus the terminal side cannot be avoided in the case that the maximum data packet that the PDSCH can support is small in the related art.
  • the problem of receiving a random access response message that does not belong to itself thereby achieving the technical effect of reducing PDCCH overhead and saving power consumption on the user terminal side.
  • FIG. 1 is a schematic diagram of a network architecture of a processing system for scheduling information according to an embodiment of the present invention
  • FIG. 2 is a first flowchart of a method for processing scheduling information according to an embodiment of the present invention
  • FIG. 3 is a flowchart 1 of signaling interaction between a terminal and a base station according to an embodiment of the present invention
  • FIG. 4 is a second flowchart of signaling interaction between a terminal and a base station according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of indicating different ranges of different PRACHs using different bits in scheduling information according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of indicating different PRACH ranges by using different values of a specific area in the scheduling information according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of using different bits in scheduling information to indicate different random access preamble ranges in the same PRACH according to an embodiment of the present invention
  • FIG. 8 is a second flowchart of a method for transmitting scheduling information according to an embodiment of the present invention.
  • FIG. 9 is a structural block diagram 1 of a processing apparatus for scheduling information according to an embodiment of the present invention.
  • FIG. 10 is a second structural block diagram of a processing apparatus for scheduling information according to an embodiment of the present invention.
  • FIG. 11 is a structural block diagram of a device for transmitting scheduling information according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a terminal in an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a base station in an embodiment of the present invention.
  • the network architecture includes: a base station 1 and a terminal 2, and a base station 1 configured to send scheduling information of a random access response message to the terminal.
  • the scheduling information carries the indication information, where the indication information is used to indicate that the terminal determines whether to receive the random access response message, and the terminal 2 is configured to receive the scheduling information of the random access response message from the base station, and carry the scheduling information according to the scheduling information.
  • the indication information determines whether a random access response message is received.
  • FIG. 2 is a flowchart of a method for processing scheduling information according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps. :
  • Step S22 The terminal receives the scheduling information of the random access response message from the base station, where the scheduling information carries the indication information.
  • Step S24 The terminal determines, according to the indication information, whether to receive the random access response message.
  • the base station adds the indication information to the scheduling information of the random access response message sent to the terminal, so the terminal can determine whether to receive the random access response message according to the received indication information, so that the terminal can timely distinguish whether the information is received.
  • the random access response message of the subsequent arrival needs to be received, so as to avoid receiving the random access response message that does not belong to itself, and thus the terminal side cannot be avoided in the case that the maximum data packet that the PDSCH can support is small in the related art.
  • the PDCCH overhead saves the technical effect of power consumption on the user terminal side.
  • the indication information is a range indication information, used to indicate a range of PRACH (including one or more PRACHs) corresponding to the RAR unit included in the scheduled random access response message, and/or used for Indicates a range of random access preambles (including one or more random access preambles), so that the terminal can timely distinguish whether the subsequent random access response message belongs to its own terminal, thereby avoiding reception of unnecessary random access response messages. .
  • all random access responses may be included in a random by indicating a range of a larger PRACH or a range of random access preambles.
  • the access response message is used to effectively overcome the technical deficiencies of the second solution mentioned in the background section.
  • the range of the smaller PRACH or the random access preamble may be first used.
  • the range organizes multiple random access response messages, and indicates the range of the PRACH range or the random access preamble involved in the scheduled random access response message in the scheduling information of the random access response. Based on the related range information, the terminal can distinguish whether the subsequent random access response message belongs to the own terminal, thereby avoiding the reception of the unnecessary random access response message, reducing the PDCCH overhead, and saving the power consumption of the terminal side.
  • the scope of the foregoing PRACH may include but is not limited to one of the following:
  • the frequency domain range of the PRACH may include: one or more frequency domain continuous subcarriers.
  • the frequency domain of the PRACH may be 12 consecutive subcarriers with a wideband of 3.75 KHz.
  • the time domain range of the PRACH may include: one or more time-domain consecutive subframes or frames.
  • step S22 before receiving the scheduling information from the base station in step S22, the following steps may be further included:
  • Step S20 The terminal selects one PRACH and/or one random access preamble, and sends a random access request to the base station.
  • step S24 the terminal determining, according to the indication information, whether to receive the random access response message may include the following steps:
  • Step S241 The terminal determines whether the selected PRACH is included in the scope of the PRACH; if yes, step S242 is performed; otherwise, step S243 is performed;
  • Step S242 The terminal receives the random access response message.
  • Step S243 The terminal ignores the random access response message.
  • step S24 the terminal determining, according to the indication information, whether to receive the random access response message may include the following steps:
  • Step S244 The terminal determines whether the selected random access preamble is included in the range of the random access preamble; if yes, step S245 is performed; otherwise, step S246 is performed;
  • Step S245 The terminal receives the random access response message.
  • Step S246 The terminal ignores the random access response message.
  • step S24 the terminal determining, according to the indication information, whether to receive the random access response message may include the following steps:
  • Step S247 The terminal determines whether the selected PRACH is included in the range of the PRACH and determines whether the selected random access preamble is included in the range of the random access preamble; if the selected PRACH is included in the PRACH range And the selected random access preamble is included in the range of the random access preamble, step S248 is performed; if the selected PRACH is not included in the range of the PRACH and/or the selected random access preamble is not included in Random Within the scope of the access preamble, step S249 is performed;
  • Step S248 The terminal receives the random access response message.
  • Step S249 The terminal ignores the random access response message.
  • FIG. 3 is a schematic diagram of a PRACH for transmitting a random access request included in a range of PRACH corresponding to a RAR unit included in a scheduled random access response message indicated by the indication information, and/or a random connection according to an embodiment of the present invention;
  • Step S302 The terminal selects one PRACH and/or one random access preamble, and sends a random access request to the base station.
  • Step S304 The base station sends scheduling information of the random access response in the PDCCH, where the scheduling information carries indication information, where the indication information is used to indicate the PRACH corresponding to the RAR unit included in the scheduled random access response message.
  • Range including one or more PRACHs
  • range of random access preambles including one or more random access preambles
  • Step S306 The terminal uses the correct RA-RNTI to detect the scheduling information of the random access response, and determines, according to the indication information carried in the scheduling information, whether the selected PRACH and/or the random access preamble in the step S302 are included in the indication information.
  • Step S308 In this embodiment, if the PRACH and/or random access preamble selected in step S302 is included in the range and/or random access of the PRACH corresponding to the RAR unit included in the scheduled random access response message Within the scope of the preamble, the terminal side may receive the random access response message scheduled by the scheduling information.
  • the random access response message is in the PDSCH.
  • FIG. 4 is a PRACH corresponding to a RAR unit included in a scheduled random access response message, which is not included in the indication information when a PRACH and/or a random access preamble for transmitting a random access request is not included according to an embodiment of the present invention.
  • Step S402 The terminal selects one PRACH and/or one random access preamble, and sends a random access request to the base station.
  • Step S404 The base station sends scheduling information of the random access response in the PDCCH, where the scheduling information carries indication information, where the indication information is used to indicate the PRACH corresponding to the RAR unit included in the scheduled random access response message.
  • Step S406 The terminal uses the correct RA-RNTI to detect the scheduling information of the random access response, and determines, according to the indication information carried in the scheduling information, whether the PRACH selected in step S402 is in the RAR unit included in the scheduled random access response message. Within the scope of the corresponding PRACH, and/or whether the selected random access preamble is within the range of the random access preamble.
  • Step S408 In this embodiment, if the selected PRACH is not included in the range of the PRACH corresponding to the RAR unit included in the scheduled random access response message indicated by the indication information, and/or the selected random access The preamble is not included in the range of the random access preamble, and the scheduled random access response message is ignored. Thereafter, the terminal may continue to detect the subsequent random access response message by using the RA-RNTI described above in the subsequent PDCCH.
  • the range of the PRACH corresponding to the single RA-RNTI value or the range of the random access preamble may be divided into multiple areas in advance by a protocol or by a base station and notified by the base station. Different bits are used in the scheduling information to indicate different regions; or different values corresponding to the selected multiple bits are used to indicate different regions.
  • the division of the scope of the PRACH or the range of the random access preamble may be performed in one of the following ways:
  • Manner 1 The PRACH range is divided into multiple areas in advance in the frequency domain;
  • Manner 2 The range of the PRACH is divided into multiple areas in the time domain in advance;
  • Method 3 jointly combining the PRACH range into multiple regions in advance in the time-frequency domain
  • Manner 4 The random access preamble range sent in the preset PRACH is divided into multiple areas in advance.
  • the PRACH range (including 48 PRACHs) may be divided into four regions, and then four bits (B1 to B4) in the PDCCH are used to represent four regions, for example, for example, : Bit B1 is used to represent Region 1, Bit B2 is used to represent Region 2, Bit B3 is used to represent Region 3, and Bit B4 is used to represent Region 4.
  • the corresponding bit of the area may be set to 1; otherwise, the area is corresponding to Bit is set to 0.
  • the value of 4 bits B1B2B3B4 is: 1010.
  • the subsequent random access response message relates to a certain area (that is, the RAR unit of the PRACH of the area is included in the random response message), and then the corresponding bit of the area may be set to 0; otherwise Set the corresponding bit of this area to 1.
  • FIG. 6 is a schematic diagram indicating different PRACH ranges using different values of a specific region in scheduling information according to an embodiment of the present invention. As shown in FIG. 6, the range of the PRACH (including 48 PRACHs) is still divided into four areas, but different PRACH indication values are needed to represent different area ranges.
  • an optional correspondence between the PRACH indication value and the different ranges is enumerated, wherein the value 0 is used to indicate all ranges including the regions 1, 2, 3, 4, that is, all four regions;
  • the value 1 is used to indicate the range including the area 1, that is, 1 area;
  • the value 2 is used to indicate the range including the area 2, that is, 1 area;
  • the value 3 is used to indicate the range including the area 3, that is, 1 area;
  • the value 5 is used to indicate the range including the area 1 and the area 2, that is, 2 areas;
  • the value 6 is used to indicate the area 1 and the area 3
  • the value 7 indicates the range including the region 1 and the region 4, that is, 2 regions;
  • the value 8 indicates the range including the region 2 and the region 3, that is, 2 regions;
  • the value 9 indicates the inclusion region.
  • the value 10 is used to indicate the range including the area 3 and the area 4, that is, 2 areas;
  • the value 11 is used to indicate the range including the area 1, the area 2, and the area 3, that is, 3 areas
  • the value 12 is used to indicate the range including the area 1, the area 2 and the area 4, that is, 3 areas;
  • the value 13 is used to indicate the range including the area 1, the area 3 and the area 4, that is, 3 areas;
  • the value 14 is used to indicate the area 2 , the range of area 3 and area 4, that is, 3 areas;
  • the value 15 is used to indicate the reserved value.
  • FIG. 7 is a schematic diagram of indicating different random access preamble ranges in the same PRACH using different bits in scheduling information according to an embodiment of the present invention.
  • 64 random access preambles in one PRACH can be divided into four regions, and then four different regions (B1 to B4) are used to represent four different regions, for example, adopting Bit B1 represents area 1, bit B2 is used to represent area 2, bit B3 is used to represent area 3, and bit B4 is used to represent area 4.
  • the corresponding bit of the area may be set to 1; otherwise, Set the corresponding bit of this area to 0.
  • the value of 4 bits B1B2B3B4 is: 1010.
  • the subsequent random access response message relates to a certain area (ie, the random response message includes a RAR unit corresponding to the random access preamble of the area), and then the corresponding bit of the area may be Set to 0; otherwise, set the corresponding bit of this area to 1.
  • FIG. 8 is a flowchart of a method for sending scheduling information according to an embodiment of the present invention, such as As shown in FIG. 8, the process includes the following steps:
  • Step S82 The base station sends the scheduling information of the random access response message to the terminal, where the scheduling information carries the indication information, where the indication information is used to indicate whether the terminal determines whether to receive the random access response message.
  • the indication information is a range indication information, which is used to indicate a range of PRACH (including one or more PRACHs) and/or random access corresponding to the RAR unit included in the scheduled random access response message.
  • the range of the preamble including one or more random access preambles.
  • the scope of the foregoing PRACH may include but is not limited to one of the following:
  • the frequency domain range of the PRACH may include: one or more frequency domain continuous subcarriers.
  • the frequency domain of the PRACH may be 12 consecutive subcarriers with a wideband of 3.75 KHz.
  • the time domain range of the PRACH may include: one or more time-domain consecutive subframes or frames.
  • the range of the PRACH corresponding to the single RA-RNTI value or the range of the random access preamble may be divided into multiple areas in advance by a protocol or by a base station and notified by the base station. Different bits are used in the scheduling information to indicate different regions; or different values corresponding to the selected multiple bits are used to indicate different regions.
  • the division of the scope of the PRACH or the range of the random access preamble may be performed in one of the following ways:
  • Manner 1 The PRACH range is divided into multiple areas in advance in the frequency domain;
  • Manner 2 The range of the PRACH is divided into multiple areas in the time domain in advance;
  • Method 3 jointly combining the PRACH range into multiple regions in advance in the time-frequency domain
  • Manner 4 The random access preamble range sent in the preset PRACH is divided into multiple areas in advance.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • a processing apparatus for scheduling information is provided, and the apparatus is configured to implement the foregoing embodiments and implementation manners corresponding to the processing method of the scheduling information, and the description has been omitted.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 9 is a structural block diagram of a processing apparatus for scheduling information according to an embodiment of the present invention.
  • the apparatus includes: a receiving module 90 configured to receive scheduling information of a random access response message from a base station, where The scheduling information carries the indication information.
  • the determining module 92 is configured to determine, according to the indication information, whether to receive the random access response message.
  • the indication information is a range indication information, which is used to indicate a range of PRACH (including one or more PRACHs) and/or random access corresponding to the RAR unit included in the scheduled random access response message. Preamble range (including one or more random accesses) Therefore, the terminal can timely distinguish whether the subsequent random access response message belongs to the own terminal, thereby avoiding the reception of the unnecessary random access response message.
  • all random access responses may be included in a random by indicating a range of a larger PRACH or a range of random access preambles.
  • the access response message is used to effectively overcome the technical deficiencies of the second solution mentioned in the background section.
  • the range of the smaller PRACH or the random access preamble may be first used.
  • the range organizes multiple random access response messages, and indicates the range of the PRACH range or the random access preamble involved in the scheduled random access response message in the scheduling information of the random access response. Based on the related range information, the terminal can distinguish whether the subsequent random access response message belongs to the own terminal, thereby avoiding the reception of the unnecessary random access response message, reducing the PDCCH overhead, and saving the power consumption of the terminal side.
  • the scope of the foregoing PRACH may include but is not limited to one of the following:
  • the frequency domain range of the PRACH may include: one or more frequency domain continuous subcarriers.
  • the frequency domain of the PRACH may be 12 consecutive subcarriers with a wideband of 3.75 KHz.
  • the time domain range of the PRACH may include: one or more time-domain consecutive subframes or frames.
  • FIG. 10 is a structural block diagram of a processing apparatus for scheduling information according to an embodiment of the present invention.
  • the apparatus further includes: a sending module 94 configured to select one PRACH and/or a random access preamble, sending a random access request to the base station;
  • the sending module 94 includes a first sending module, a second sending module, and a third sending module.
  • the first sending module is configured to select a PRACH and send a random access request to the base station;
  • the second sending module is configured to select a random access preamble and send a random access request to the base station;
  • the third sending module is configured to select one PRACH and one random access preamble, and send a random access request to the base station.
  • the determining module 92 may include: a determining unit 920, configured to determine whether the selected PRACH is included in a range of the PRACH; and the first processing unit 922 is configured to output in the determining unit. If yes, the random access response message is received; the second processing unit 924 is configured to ignore the random access response message when the output of the determining unit is negative.
  • the determining unit 920 is further configured to determine whether the selected random access preamble is included in the range of the random access preamble; the first processing unit 922 is further configured to: when the output of the determining unit is YES, Receiving a random access response message; the second processing unit 924 is further configured to ignore the random access response message when the output of the determining unit is negative.
  • the determining unit 920 is configured to determine whether the selected PRACH is included in the range of the PRACH and determine whether the selected random access preamble is included in the range of the random access preamble; the first processing unit 922. Configure to receive a random access response message when the output of the determining unit is YES.
  • the second processing unit 924 is configured to ignore the random access response message when the output of the determining unit is negative.
  • a device for transmitting scheduling information is provided, and the device is configured to implement the foregoing embodiments and preferred embodiments corresponding to the method for transmitting scheduling information, and details are not described herein.
  • the device includes: a sending module 110 configured to send scheduling information of a random access response message to a terminal, where scheduling information The indication information is used to indicate that the terminal determines whether to receive the random access response message.
  • the indication information is a range indication information, which is used to indicate a range of PRACH (including one or more PRACHs) and/or random access corresponding to the RAR unit included in the scheduled random access response message.
  • the range of the preamble including one or more random access preambles.
  • the scope of the foregoing PRACH may include but is not limited to one of the following:
  • the frequency domain range of the PRACH may include: one or more frequency domain continuous subcarriers.
  • the frequency domain of the PRACH may be 12 consecutive subcarriers with a wideband of 3.75 KHz.
  • the time domain range of the PRACH may include: one or more time-domain consecutive subframes or frames.
  • the range of the PRACH corresponding to the single RA-RNTI value or the range of the random access preamble may be divided into multiple areas in advance by a protocol or by a base station and notified by the base station. Different bits are used in the scheduling information to indicate different regions; or different values corresponding to the selected multiple bits are used to indicate different regions.
  • the division of the scope of the PRACH or the range of the random access preamble may be performed in one of the following ways:
  • Manner 1 The PRACH range is divided into multiple areas in advance in the frequency domain;
  • Manner 2 The range of the PRACH is divided into multiple areas in the time domain in advance;
  • Method 3 jointly combining the PRACH range into multiple regions in advance in the time-frequency domain
  • Manner 4 The random access preamble range sent in the preset PRACH is divided into multiple areas in advance.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • Embodiments of the present invention provide a storage medium.
  • the storage medium may be configured to store program code for performing the following steps:
  • S1 Receive scheduling information of a random access response message from a base station, where the scheduling information carries indication information;
  • S2 Determine, according to the indication information, whether to receive the random access response message.
  • the storage medium is further configured to store program code for performing the steps of: selecting a PRACH and/or a random access preamble to send a random access request to the base station.
  • the storage medium is further configured to store program code for performing the steps of: determining whether the selected PRACH is included in the scope of the PRACH; if so, receiving the random access response message; if not, The random access response message is ignored.
  • the storage medium is further configured to store program code for performing the steps of: determining whether the selected random access preamble is included in a range of random access preambles; if so, receiving random access The response message; if not, the random access response message is ignored.
  • the storage medium is further configured to store program code for performing the steps of: determining whether the selected PRACH is included in the scope of the PRACH and determining whether the selected random access preamble is included in the random access Within the range of the preamble; if the selected PRACH is included in the scope of the PRACH and the selected random access preamble is included Receiving a random access response message within the range of the preamble access; if the selected PRACH is not included in the range of the PRACH and/or the selected random access preamble is not included in the range of the random access preamble , the random access response message is ignored.
  • embodiments of the present invention also provide a storage medium.
  • the storage medium may be configured to store program code for performing the following steps:
  • S1 The scheduling information of the random access response message is sent to the terminal, where the scheduling information carries the indication information, where the indication information is used to indicate whether the terminal determines whether to receive the random access response message.
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a read-only memory (ROM), a random access memory (RAM), and a mobile hard disk.
  • ROM read-only memory
  • RAM random access memory
  • mobile hard disk A variety of media that can store program code, such as a disk or a disc.
  • the processor may execute according to the stored program code in the storage medium:
  • S1 Receive scheduling information of a random access response message from a base station, where the scheduling information carries indication information;
  • S2 Determine, according to the indication information, whether to receive the random access response message.
  • the processor may further perform: selecting a PRACH and/or a random access preamble to send a random access request to the base station according to the stored program code in the storage medium.
  • the processor may further perform: determining, according to the stored program code in the storage medium, whether the selected PRACH is included in the range of the PRACH; if yes, receiving the random access response message; if not, then The random access response message is ignored.
  • the processor may further perform: determining, according to the stored program code in the storage medium, whether the selected random access preamble is included in a range of the random access preamble; if yes, receiving the random access response Message; if no, the random access response message is ignored.
  • the processor may also execute according to the stored program code in the storage medium: Determining whether the selected PRACH is included in the range of the PRACH and determining whether the selected random access preamble is included in the range of the random access preamble; if the selected PRACH is included in the PRACH range and the selected The random access preamble is included in the range of the random access preamble, and then receives the random access response message; if the selected PRACH is not included in the range of the PRACH and/or the selected random access preamble is not included in the Within the range of the random access preamble, the random access response message is ignored.
  • the processor may also execute according to the stored program code in another storage medium:
  • S1 The scheduling information of the random access response message is sent to the terminal, where the scheduling information carries the indication information, where the indication information is used to indicate whether the terminal determines whether to receive the random access response message.
  • the terminal in the embodiment of the present invention includes: a receiver and a first processor;
  • the receiver is configured to receive scheduling information of a random access response message from a base station, where the scheduling information carries indication information;
  • the first processor is configured to determine, according to the indication information, whether to receive the random access response message.
  • the indication information is range indication information, used to indicate a range of PRACH corresponding to the RAR unit included in the scheduled random access response message, and/or a range for indicating a random access preamble.
  • the range of the PRACH includes one of the following:
  • the time-frequency domain range of PRACH The time-frequency domain range of PRACH.
  • the frequency domain range of the PRACH includes: one or more frequency domain consecutive subcarriers;
  • the time domain range of the PRACH includes one or more time-domain consecutive subframes or frames.
  • the scope of the PRACH includes one or more PRACHs.
  • the range of random access preambles includes one or more random access preambles.
  • the terminal further includes a first transmitter
  • the first transmitter is configured to select a PRACH to send a random access request to the base station;
  • the first processor is further configured to determine whether the PRACH selected by the transmitter is included in a range of the PRACH;
  • the terminal further includes a second transmitter
  • the second transmitter is configured to select a random access preamble and send a random access request to the base station;
  • the first processor is further configured to determine whether a random access preamble selected by the second transmitter is included in a range of the random access preamble;
  • the terminal further includes a third transmitter
  • the third transmitter is configured to select one PRACH and one random access preamble, and send a random access request to the base station;
  • the first processor is further configured to determine whether the PRACH selected by the third transmitter is included in the range of the PRACH, and determine whether the selected random access preamble is included in the random Within the scope of the access preamble;
  • FIG. 13 is a schematic structural diagram of a base station according to an embodiment of the present invention. As shown in FIG. 13, the base station in the embodiment of the present invention includes a second processor;
  • the second processor is configured to send scheduling information of the random access response message to the terminal, where the scheduling information carries indication information, where the indication information is used to indicate that the terminal determines whether to receive the random connection. In response message.
  • the indication information is range indication information, used to indicate a range of PRACH corresponding to the RAR unit included in the scheduled random access response message, and/or a range for indicating a random access preamble.
  • the base station further includes a memory configured to store scheduling information for storing the random access response message.
  • the range of the PRACH includes one of the following:
  • the time-frequency domain range of PRACH The time-frequency domain range of PRACH.
  • the frequency domain range of the PRACH includes: one or more frequency domain consecutive subcarriers;
  • the time domain range of the PRACH includes one or more time-domain consecutive subframes or frames.
  • the scope of the PRACH includes one or more PRACHs.
  • the range of random access preambles includes one or more random access preambles.
  • An embodiment of the present invention further provides a processing system for invoking information, including: a base station and a terminal;
  • the base station is configured to send scheduling information of a random access response message to the terminal, where the scheduling information carries indication information, where the indication information is used to indicate that the terminal determines whether to receive the random access.
  • the terminal is configured to receive scheduling information of a random access response message from the base station, and determine whether to receive the random access response message according to the indication information carried in the scheduling information.
  • the indication information is range indication information, used to indicate a range of PRACH corresponding to the RAR unit included in the scheduled random access response message, and/or a range for indicating a random access preamble.
  • the processing and sending method of the scheduling information is implemented in the form of a software function module, and is sold or used as an independent product, it may also be stored in a computer readable storage medium.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a magnetic disk, or an optical disk.
  • embodiments of the invention are not limited to any specific combination of hardware and software.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program, and the computer program is used to execute the processing method of the scheduling information in the embodiment of the present invention.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program, and the computer program is used to execute the method for transmitting the scheduling information in the embodiment of the present invention.
  • modules or steps of the present invention described above can be implemented with a general purpose computing device, which can be centralized on a single computing device, or Distributed over a network of computing devices, in one embodiment, they may be implemented in program code executable by the computing device, such that they may be stored in the storage device for execution by the computing device, and at some In some cases, the steps shown or described may be performed in an order different than that herein, or they may be separately fabricated into individual integrated circuit modules, or a plurality of modules or steps may be fabricated into a single integrated circuit module. . Thus, the invention is not limited to any specific combination of hardware and software.
  • the terminal receives the scheduling information of the random access response message from the base station, where the scheduling information carries the indication information, and determines whether to receive the random access response message according to the indication information.
  • the problem that the terminal side cannot avoid receiving the random access response message that does not belong to itself is solved in the case that the maximum data packet that the PDSCH can support is small in the related art, thereby reducing the PDCCH overhead and saving the user terminal side.

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

Abstract

La présente invention concerne un procédé de traitement et de distribution d'informations de planification, un dispositif, un système et un support de stockage. Le procédé selon la présente invention comprend : réception d'informations de planification d'un message de réponse d'accès aléatoire de la part d'une station de base, les informations de planification transportant des informations d'instruction ; et fait de déterminer, conformément aux informations d'instruction, s'il faut recevoir le message de réponse d'accès aléatoire. La présente invention permet ainsi de résoudre le problème de l'état de la technique selon lequel si la taille maximale d'un paquet de données prise en charge par un PDSCH est petite, un terminal ne peut pas éviter de recevoir un message de réponse d'accès aléatoire d'un autre terminal. Par conséquent, la présente invention permet d'obtenir des effets techniques de réduction des surdébits du PDCCH et d'économie d'énergie du côté du terminal d'utilisateur.
PCT/CN2017/076674 2016-04-28 2017-03-14 Procédé de traitement et de distribution d'informations de planification, dispositif, système, et support de stockage Ceased WO2017185896A1 (fr)

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