WO2019127148A1 - Procédé et dispositif de transmission d'informations, et support de stockage informatique - Google Patents

Procédé et dispositif de transmission d'informations, et support de stockage informatique Download PDF

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Publication number
WO2019127148A1
WO2019127148A1 PCT/CN2017/119128 CN2017119128W WO2019127148A1 WO 2019127148 A1 WO2019127148 A1 WO 2019127148A1 CN 2017119128 W CN2017119128 W CN 2017119128W WO 2019127148 A1 WO2019127148 A1 WO 2019127148A1
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WIPO (PCT)
Prior art keywords
rrc signaling
rrc
signaling
unlicensed spectrum
time period
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PCT/CN2017/119128
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English (en)
Chinese (zh)
Inventor
唐海
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Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201780097264.5A priority Critical patent/CN111434063B/zh
Priority to PCT/CN2017/119128 priority patent/WO2019127148A1/fr
Publication of WO2019127148A1 publication Critical patent/WO2019127148A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems

Definitions

  • the embodiments of the present invention relate to the field of wireless communications technologies, and in particular, to a method, a device, and a computer storage medium for information transmission.
  • the unlicensed spectrum is a spectrum that can be used for radio communication by countries and regions.
  • This spectrum can usually be regarded as a shared spectrum, that is, the communication equipment in different communication systems only needs to meet the regulatory requirements set by the country or region on the spectrum.
  • This spectrum can be used without applying for a proprietary spectrum grant.
  • a user equipment In a LSA (Licensed-Assisted Access LTE) system based on a Long Term Evolution (LTE) system, a user equipment (UE, User Equipment) is in a carrier aggregation (CA) manner. It works on multiple carriers (bands) at the same time.
  • the primary carrier of the LTE UE corresponds to the primary cell (Pcell, Primary Cell) in the CA technology, and operates on the licensed spectrum; the secondary carrier of the LTE UE corresponds to the secondary in the CA technology.
  • a cell Scell, Secondary Cell
  • the sender when transmitting information by using an unlicensed spectrum, the sender needs to perform the Listening Before (Talk) process, and then the information can be sent after the success. Therefore, the LBT mechanism increases the delay in the information transmission process, which causes the receiving end to trigger an error processing process due to a long delay, resulting in repeated occupation of network resources and affecting the effect of information transmission.
  • the embodiments of the present invention are intended to provide a method, a device, and a computer storage medium for information transmission; avoiding repeated occupation of network resources and improving the efficiency of information transmission.
  • an embodiment of the present invention provides a method for transmitting information, where the method is applied to a source device, and the method includes:
  • the LBT detection is performed on the unlicensed spectrum according to the set detection times.
  • the LBT detection result is successful, Transmitting, by the unlicensed spectrum, first radio resource control RRC signaling to be sent;
  • an embodiment of the present invention provides a method for information transmission, where the method is applied to a receiving end device, and the method includes:
  • RRC response signaling for the first RRC signaling is sent on the unlicensed spectrum.
  • an embodiment of the present invention provides a network device, including a first detecting part, a first sending part, a timing part, and a confirming part;
  • the first detecting part is configured to perform LBT detection on the unlicensed spectrum according to the set number of detections after performing the first first listening and then saying that the LBT detection fails on the unlicensed spectrum in the preset first time period. ;
  • the first sending part is configured to: when the detection part LBT detection result is successful, send the first radio resource control RRC signaling to be sent on the unlicensed spectrum;
  • the timing part is configured to perform timing according to the set second time period after the sending part sends the completion of the first RRC signaling;
  • the confirmation part is configured to receive the RRC response signaling for the first RRC signaling during the second time period, and confirm that the transmission does not time out.
  • an embodiment of the present invention provides a network device, including: a receiving part, a second detecting part, and a second sending part;
  • the receiving part is configured to receive the first radio resource control RRC signaling
  • the second detecting part is configured to perform LBT detection after listening to the unlicensed spectrum after receiving the first RRC signaling by the receiving part;
  • the second sending part is configured to send RRC response signaling for the first RRC signaling on the unlicensed spectrum when the LBT detection result is successful.
  • an embodiment of the present invention provides a network device, including: a network interface, a memory, and a processor;
  • the network interface is configured to receive and send signals during the process of transmitting and receiving information with other external network elements
  • the memory for storing a computer program capable of running on the first processor
  • the processor is configured to perform the steps of the method of the first aspect or the second aspect when the computer program is run.
  • an embodiment of the present invention provides a computer storage medium, where the computer storage medium stores a data copy transmission program, and the data copy transmission program is implemented by at least one processor to implement the first aspect or the second aspect. The steps of the method described.
  • the embodiment of the invention provides a method, a device and a computer storage medium for information transmission; by extending the current time period, thereby avoiding that a large delay is mistaken as an error and triggering an error processing flow, thereby avoiding repeated use of network resources. Moreover, the robustness of signaling transmission in the case of unlicensed spectrum is improved, and the efficiency of information transmission is improved.
  • FIG. 1 is a schematic structural diagram of a wireless communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of another wireless communication system according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method for information transmission according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of another method for information transmission according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a specific hardware of a network device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of a specific hardware structure of another network device according to an embodiment of the present invention.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • Universal Mobile Telecommunication System Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • NR-U NR-based access to unlicensed spectrum
  • the technical solution of the embodiment of the present invention can also be applied to Device to Device (D2D) communication, Machine to Machine (M2M) communication, and Machine Type Communication (Machine Type Communication). , referred to as "MTC", and Vehicle to Vehicle (V2V) communication.
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • System 100 may include a base station 105, a communication device (also referred to as a User Equipment (UE)) 115. And the core network 130.
  • Base station 105 can communicate with communication device 115 over communication link 125 under the control of a base station controller (not shown), which can be part of core network 130 or base station 105 in various embodiments.
  • Base station 105 can communicate control information or user data with core network 130 over backhaul link 132.
  • base stations 105 may communicate with one another directly or indirectly via backhaul link 134, which may be a wired or wireless communication link.
  • System 100 can support operation on multiple carriers (waveform signals of different frequencies).
  • a multi-carrier transmitter can simultaneously transmit a modulated signal on multiple carriers.
  • each communication link 125 can be a multi-carrier signal that is modulated according to the various wireless techniques described above.
  • Each modulated signal can be transmitted on a different carrier and can carry control information (eg, reference signals, control channels, etc.), overhead information, data, and the like.
  • communication link 125 or backhaul link 132 can typically use an authorized or dedicated spectrum without other interfering devices. However, in many cases, obtaining licensed spectrum for wireless backhaul can be difficult or expensive. In addition to licensed spectrum dedicated to specific uses or entities, many countries and regions have unlicensed spectrum available for various modes. While the unlicensed spectrum may not be dedicated to a particular use or vendor, the interference in the frequency band may be mitigated by technical rules governing both the hardware and the deployment method of the wireless unit using the frequency band. The rules between frequency bands are different and the country has different rules governing operational requirements and/or maximum transmission power in the unlicensed spectrum.
  • Base station 105 can communicate wirelessly with device 115 via one or more base station antennas. Each base station 105 site in the base station 105 site can provide communication coverage for the corresponding geographic area 110.
  • base station 105 may be referred to as a base transceiver station, a wireless base station, an access point, a wireless transceiver, a basic service set (BSS), an extended service set (ESS), a Node B, an evolved Node B (eNB), home node B, home evolved Node B, network equipment in the NR network, such as a 5G base station (gNB), or a network device in a future evolved PLMN network.
  • BSS basic service set
  • ESS extended service set
  • Node B an evolved Node B
  • eNB evolved Node B
  • home node B home evolved Node B
  • network equipment in the NR network such as a 5G base station (gNB), or a network device in a future evolved PLMN network.
  • the coverage area 110 for the base station can be divided into sectors, and the sectors only form part of the coverage area (not shown).
  • System 100 can include different types of base stations 105 (e.g., macro base stations, micro base stations, or pico base stations). For different technologies, there may be overlapping coverage areas.
  • the system 100 is preferably an evolved system of a New Radio ("NR") system and an NR system, or preferably an LTE/LTE-A network.
  • NR New Radio
  • a 5G base station (gNB) and a UE are generally used to describe the base station 105 and the device 115 in the system shown in FIG. 1, respectively; in the LTE/LTE-A network, the term evolved Node B
  • the (eNB) and UE may be used to describe base station 105 and device 115 in the system of Figure 1, respectively.
  • each base station 105 can provide communication coverage for a macro cell, a small cell, or other type of cell.
  • the term "cell" is a 3GPP term that can be used to describe a base station, a carrier associated with a base station, or a coverage area (e.g., sector, etc.) of a carrier or base station, depending on the context.
  • a macro cell typically covers a relatively large geographic area (e.g., a radius of several kilometers) and may allow unrestricted access by UEs that have subscriptions to services of the network provider.
  • a small cell is a lower power base station that can operate in the same or different (eg, licensed, unlicensed, etc.) frequency bands as the macro cell.
  • Small cells include pico cells, femto cells, and micro cells.
  • a pico cell will typically cover a relatively small geographic area and may allow unrestricted access by UEs that have subscriptions to the service of the network provider.
  • a femto cell will also typically cover a relatively small geographic area (eg, a home) and may be provided by a UE having an association with the femto cell (eg, a UE in a Closed Subscriber Group (CSG), for a user in the home) Restricted access by the UE, etc.).
  • CSG Closed Subscriber Group
  • a base station for a macro cell may be referred to as a macro base station.
  • a base station for a pico cell may be referred to as a pico base station.
  • the base station for the femto cell may be referred to as a femto base station or a home base station.
  • Base station 105 can support one or more (e.g., two, three, four, etc.) cells.
  • the core network 130 can communicate with the base station 105 via a backhaul 132 (e.g., S1, etc.).
  • Base station 105 can also communicate with each other (e.g., directly or indirectly) via backhaul link 134 (e.g., X2, etc.) or via backhaul link 132 (e.g., via core network 130).
  • the wireless communication system 100 can support synchronous or asynchronous operations. For synchronous operation, the base stations can have similar frame timing, and transmissions from different base stations can be approximately aligned in time. For asynchronous operation, the base stations may have different frame timings, and transmissions from different base stations may not be aligned in time. The techniques described herein can be used for synchronous or asynchronous operations.
  • a communication network that can accommodate some of the various disclosed embodiments can be a packet-based network that operates in accordance with a layered protocol stack.
  • the communication at the Bearer or Packet Data Convergence Protocol (PDCP) layer may be IP based.
  • the Radio Link Control (RLC) layer can perform packet segmentation and reassembly to communicate over a logical channel.
  • the Medium Access Control (MAC) layer can perform priority processing and multiplex logical channels into transport channels.
  • the MAC layer may also use Hybrid ARQ (HARQ) to provide retransmission at the MAC layer to improve link efficiency.
  • a Radio Resource Control (RRC) protocol layer may provide establishment, configuration, and maintenance of an RRC connection for user plane data between the UE and the network.
  • the transport channel At the physical (PHY) layer, the transport channel can be mapped to a physical channel.
  • the UEs 115 are interspersed throughout the wireless communication system 100, and each UE may be stationary or mobile.
  • the UE 115 may also be referred to by those skilled in the art as an access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
  • the terminal device may be a site (STAION, referred to as "ST") in a wireless local area network (WLAN), which may be a cellular phone, a cordless phone, a Session Initiation Protocol ("SIP”) phone, or a wireless local loop (Wireless Local Loop).
  • WLAN wireless local area network
  • SIP Session Initiation Protocol
  • WLL station Personal Digital Processing (“PDA”) device
  • handheld device with wireless communication capabilities computing device or other processing device connected to a wireless modem
  • computing device or other processing device connected to a wireless modem for example, a terminal device in a fifth-generation communication (“5G") network or a terminal device in a future public network mobile network (Public Land Mobile Network (PLMN)) network.
  • PLMN Public Land Mobile Network
  • the terminal device may also be a wearable device.
  • a wearable device which can also be called a wearable smart device, is a general term for applying wearable technology to intelligently design and wear wearable devices such as glasses, gloves, watches, clothing, and shoes.
  • the wireless communication system 100 shown in FIG. 1 can support operations on multiple carriers, which can be referred to as carrier aggregation (CA) or multi-carrier operation.
  • a carrier may also be referred to as a component carrier (CC), layer, channel, or the like.
  • CC component carrier
  • the terms “carrier”, “CC”, “cell” and “channel” may be used interchangeably herein.
  • a carrier for the downlink may be referred to as a downlink CC, and a carrier for the uplink may be referred to as an uplink CC.
  • the UE 115 may be configured with multiple downlink CCs and one or more uplink CCs for carrier aggregation.
  • the UE 115 is configured with a UE-specific primary carrier (eg, a primary cell or a PCell) or one or more secondary carriers (eg, a secondary cell or SCell).
  • the PCell may include a downlink primary CC (eg, a downlink PCC) and an uplink primary CC (eg, an uplink PCC).
  • the SCell may include a downlink secondary CC (eg, a downlink SCC) and, if configured, an uplink secondary CC (eg, an uplink SCC). Control information including scheduling of the SCell may be performed on the SCell or on a different cell (eg, PCell or SCell), which may be referred to as cross-carrier control signaling.
  • the PCell may be identified by the UE 115 prior to establishing a connection with the base station 105 (e.g., as the strongest available carrier, etc.).
  • one or more SCells may be configured via higher layer signaling (eg, RRC, etc.).
  • the configuration of the SCell may include transmitting all system information (SI) for the SCell, for example, through RRC signaling.
  • both PCell and SCell are supported by the same base station 105.
  • the PCell may be supported by one base station 105 and one or more SCells may be supported by the same base station 105 or a different base station 105.
  • the techniques described herein may be applied to carrier aggregation schemes that utilize PCells and any number of SCells supported by one or more base stations 105.
  • carrier 225-a may be one or more primary carriers (eg, primary cell or PCell), and other carriers (eg, 225-b, 225-n, etc.) may be one or more secondary carriers (eg, secondary cell or Scell).
  • the PCell may include a primary downlink CC and an uplink primary CC.
  • the SCell may include a secondary downlink CC and, if configured, a secondary uplink CC. In some cases, both PCell 225-a and SCell 225-b, 225-n are supported by the same base station 105-a.
  • PCell 225-a may be supported by one base station 105, and one or more SCells 225 may be supported by different base stations 105 (not shown).
  • the techniques described herein may be applied to carrier aggregation schemes that utilize PCells and any number of SCells supported by one or more base stations 105.
  • the PCell is set to be implemented on the licensed spectrum; and in the NR system, in order to improve the spectrum utilization, the PCell can also be on the unlicensed spectrum.
  • the LBT mechanism is used to control the use of unlicensed spectrum.
  • the LBT mechanism of the unlicensed spectrum may cause an increase in the delay in the transmission of the existing RRC signaling, causing a large delay to be mistaken as an error and triggering an error handling process. As a result, the robustness of the signaling transmission in the unlicensed spectrum is degraded.
  • both the UE and the base station need to receive and respond to the corresponding RRC signaling. Therefore, during the RRC signaling transmission in the unlicensed spectrum, the transmitting end and the receiving are performed each signaling transmission. Both ends need to consider the delay caused by the LBT mechanism.
  • the method may be applied to a device at the time of transmitting RRC signaling in an unlicensed spectrum.
  • the method may include:
  • S301 Perform LBT detection on the unlicensed spectrum according to the set number of detections after the first LBT detection fails on the unlicensed spectrum in the preset first time period, and when the LBT detection result is successful, Sending the first RRC signaling to be sent on the unlicensed spectrum;
  • the device at the transmitting end may be a device that performs RRC signaling during the RRC signaling transmission process, and may be a base station eNB or a gNB, or may be a UE. It should be noted that, in the first time period, after the first LBT detection fails on the unlicensed spectrum, the transmitting end may try the LBT detection multiple times. When the detection succeeds, the first RRC signaling to be sent is sent. The robustness of RRC signaling transmission is improved by performing multiple LBT detections when transmitting RRC signaling.
  • the current RRC signaling transmission scheme provides a delay timing mechanism, but since the current RRC signaling is transmitted through the PCell, and in the LTE/LTE-A system supporting the CA technology, the PCell uses Highly reliable licensed spectrum, therefore, in the current delay timing mechanism, the timing period used to characterize the occurrence of delay errors is short, so when the PCell is implemented through the unlicensed spectrum, it is used to characterize the second time in which the delay error occurs.
  • the segment should be longer than the current time period. By extending the current time period, the large delay is prevented from being mistaken as an error and the error handling process is triggered, which improves the robustness of the signaling transmission in the unlicensed spectrum.
  • the time period of the current delay timing mechanism is a standard time period
  • the second time period is obtained by extending the standard time period according to the network quality indicator of the unlicensed spectrum.
  • the unlicensed spectrum may be measured, so that the network quality indicator of the unlicensed spectrum is obtained according to the measurement result. It can be understood that the network quality indicator is used to identify the unauthorized The network quality of the spectrum.
  • the standard timing can be The time period is extended for a shorter period of time.
  • the network quality indicator may be divided into different levels. The low-to-high level indicates that the network quality of the unlicensed spectrum is bad, and then the corresponding extended time period is determined for each network quality indicator level.
  • the extended time period will increase corresponding to the level, so that when the network quality of the unlicensed spectrum is poor, the standard time period is extended for a longer period of time; the network quality of the unlicensed spectrum is higher. When it's good, you can extend the standard time period by a shorter period of time.
  • S303 Receive RRC response signaling for the first RRC signaling in the second time period, and confirm that the transmission does not time out.
  • the second time period has already considered the LBT detection situation of the receiving end in the setting, and then the transmitting end receives the RRC response signaling for the first RRC signaling in the second time period, indicating the current RRC signaling. The transmission did not time out.
  • the receiving end may cause the RRC response signaling to be caused by the LBT detection failure.
  • the delay may further include: performing LBT detection again for the unlicensed spectrum, and transmitting second RRC signaling associated with the first RRC signaling.
  • the sending may be performed by referring to S301, so that after the second RRC signaling is completed, the timing is continued according to the set second time period, because the first RRC signaling and the first The second RRC signaling has an association, and the second RRC signaling is a repeated transmission for the first RRC signaling. Therefore, the delay timing for the first RRC signaling can be further increased, the error processing is prevented from being mistaken as a mistake, and the error processing flow is triggered, and the robustness of the signaling transmission in the unlicensed spectrum is further improved.
  • the transmitting end may send the RRC signaling to the receiving end again, for example, the second RRC signaling, in order to enable the receiving end to learn the second.
  • the RRC signaling is retransmitted for the first RRC signaling.
  • the second RRC signaling may carry an association identifier for characterizing the association with the first RRC signaling.
  • the association indication may be a transmission identifier transaction id and a repetition index number, a repetition index added in the second RRC signaling, where the transmission identifier is used to indicate that the second RRC signaling is repeated for the first RRC signaling
  • the repeated index number is used to indicate the number of times the second RRC signaling is repeatedly sent for the first RRC signaling. Therefore, after receiving the second RRC signaling, the receiving end confirms whether the second RRC signaling is RRC signaling that is repeatedly sent for the first RRC signaling; if yes, it may ignore, and continue to perform the LBT detection process to target An RRC signaling sends an RRC response signaling.
  • the association representation in the second RRC signaling may include only the duplicate index number. It can be understood that, in the RRC reconfiguration process, only the base station sends the RRC reconfiguration Reconfiguration signaling to the UE, and the UE responds to the RRC Reconfiguration to complete the Complete signaling by the UE after receiving the RRC Reconfiguration signaling, so In the RRC reconfiguration process, when the base station repeatedly transmits the RRC Reconfiguration signaling, the repeated index number may be added only in the RRC Reconfiguration signaling that is repeatedly sent, so that the UE can also know that the RRC signaling that is repeatedly sent is for the RRC Reconfiguration. Signaling is sent repeatedly.
  • the embodiment of the present invention uses the RRC reconfiguration process as an example to describe and explain the implementation of the technical solution.
  • the technical solution of the embodiment of the present invention may be applied to other interactions related to RRC signaling according to the requirements of the specific application scenario. Processes such as RRC connection establishment, RRC connection release, and RRC connection maintenance.
  • the receiving end device may be a device that receives RRC signaling during the RRC signaling transmission process, and may be a base station eNB or a gNB, or may be a UE.
  • the method flow can include:
  • S401 After receiving the first RRC signaling, perform LBT detection on the unlicensed spectrum.
  • the receiving end needs to respond to the first RRC signaling after receiving the first RRC signaling; therefore, the receiving end and the transmitting end belong to the relative concept in the embodiment of the present invention, that is, the receiving in this embodiment.
  • the terminal belongs to the transmitting end for the RRC response signaling. Therefore, for the RRC response signaling, the receiving end may be implemented in step S301 according to the foregoing embodiment, and may include: performing the first LBT detection on the unlicensed spectrum in the preset first time period. After the failure, the LBT detection is performed on the unlicensed spectrum according to the set number of detections. When the LBT detection result is successful, the RRC response signaling is sent on the unlicensed spectrum.
  • the receiving end may Receiving the second RRC signaling associated with the first RRC signaling, the technical solution shown in FIG. 4 may further include:
  • the receiving end device may detect whether the second RRC signaling carries an association identifier that is used to identify an association relationship with the first RRC signaling to determine whether the second RRC signaling is related to the first RRC. Signaling is associated. Specifically, detecting whether the second RRC signaling includes a transmission identifier transaction id and a repetition index number, and the transmission identifier is used to indicate that the second RRC signaling is repeatedly sent for the first RRC signaling. The repetition index number is used to characterize the number of times the second RRC signaling is repeatedly transmitted for the first RRC signaling. When the second RRC signaling includes the transmission identifier transaction id and the repetition index number, the second RRC signaling is RRC signaling that is repeatedly sent for the first RRC signaling.
  • the second RRC signaling may not include the transmission identifier transaction id but only the duplicate index number. Therefore, it is possible to detect whether the duplicate index number is included in the second RRC signaling; if yes, it can be confirmed that the second RRC signaling is RRC signaling that is repeatedly transmitted for the first RRC signaling.
  • the repeating index number may be added only to the RRC Reconfiguration signaling that is repeatedly sent, so that the UE can learn the RRC repeatedly sent by the base station only by repeating the index number. Signaling is repeated for RRC Reconfiguration signaling.
  • the embodiment of the present invention uses the RRC reconfiguration process as an example to describe and explain the implementation of the technical solution.
  • the technical solution of the embodiment of the present invention may be applied to other interactions related to RRC signaling according to the requirements of the specific application scenario. Processes such as RRC connection establishment, RRC connection release, and RRC connection maintenance.
  • FIG. 5 shows a composition of a network device 50 according to an embodiment of the present invention.
  • the network device 50 may be used for RRC signaling transmission when applied to an unlicensed spectrum.
  • the transmitting device includes: a first detecting portion 501, a first transmitting portion 502, a timing portion 503, and a confirming portion 504; wherein
  • the first detecting part 501 is configured to perform LBT for the unlicensed spectrum according to the set number of detections after performing the first listening and then performing LBT detection failure on the unlicensed spectrum in the preset first time period. Detection
  • the first sending part 502 is configured to: when the detection part LBT detection result is successful, send the first radio resource control RRC signaling to be sent on the unlicensed spectrum;
  • the timing part 503 is configured to perform timing according to the set second time period after the sending part sends the completion of the first RRC signaling;
  • the confirmation part 504 is configured to receive the RRC response signaling for the first RRC signaling during the second time period, and confirm that the transmission does not time out.
  • the first detecting part 501 is further configured to perform, for the unlicensed spectrum again, when the RRC response signaling for the first RRC signaling is not received in the second time period. LBT detection;
  • the first sending part 502 is further configured to send second RRC signaling associated with the first RRC signaling.
  • the second RRC signaling carries an association identifier for characterizing an association relationship with the first RRC signaling.
  • the association representation includes a transmission identifier transaction id and a repetition index number, a repetition index, wherein the transmission identifier is used to indicate that the second RRC signaling is repeatedly sent for the first RRC signaling, the duplicate index The number is used to characterize the number of times the second RRC signaling is repeatedly sent for the first RRC signaling.
  • the association representation includes only the repetition index number, and the repetition index number is used to characterize the number of times the second RRC signaling is repeatedly transmitted for the first RRC signaling.
  • the second time period is obtained by extending the set standard time period according to the network quality indicator of the unlicensed spectrum.
  • the “part” may be a partial circuit, a partial processor, a partial program or software, etc., of course, may be a unit, a module, or a non-modular.
  • each component in this embodiment may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software function module.
  • the integrated unit may be stored in a computer readable storage medium if it is implemented in the form of a software function module and is not sold or used as a stand-alone product.
  • the technical solution of the embodiment is essentially Said that the part contributing to the prior art or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium, comprising a plurality of instructions for making a computer device (may It is a personal computer, a server, or a network device, etc. or a processor that performs all or part of the steps of the method described in this embodiment.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes.
  • the present embodiment provides a computer storage medium storing an information transmission program that implements the steps of the method of the first embodiment described above when executed by at least one processor.
  • a specific hardware structure of a network device 50 may be included, which may include: a first network interface 601, a first memory 602, and a first Processor 603; the various components are coupled together by a bus system 604.
  • bus system 604 is used to implement connection communication between these components.
  • the bus system 604 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 604 in FIG.
  • the first network interface 601 is configured to receive and send signals during the process of transmitting and receiving information with other external network elements.
  • a first memory 602 configured to store a computer program capable of running on the first processor 603;
  • the first processor 603 is configured to: when the computer program is executed, perform:
  • the LBT detection is performed on the unlicensed spectrum according to the set detection times.
  • the LBT detection result is successful, Transmitting, by the unlicensed spectrum, first radio resource control RRC signaling to be sent;
  • the first memory 602 in the embodiments of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • the first memory 602 of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
  • the first processor 603 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the first processor 603 or an instruction in a form of software.
  • the first processor 603 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), or a field programmable gate array (FPGA). Or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the first memory 602, and the first processor 603 reads the information in the first memory 602, and completes the steps of the foregoing method in combination with the hardware thereof.
  • the embodiments described herein can be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general purpose processor, controller, microcontroller, microprocessor, other for performing the functions described herein In an electronic unit or a combination thereof.
  • ASICs Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device Digital Signal Processing Equipment
  • PLD programmable Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the techniques described herein can be implemented by modules (eg, procedures, functions, and so on) that perform the functions described herein.
  • the software code can be stored in memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the first processor 603 in the network device 50 is further configured to run the computer program, the method steps described in the foregoing Embodiment 1 are performed, and details are not described herein.
  • the network device 70 may be used for RRC signaling transmission when applied to an unlicensed spectrum.
  • the receiving device includes: a receiving portion 701, a second detecting portion 702, and a second transmitting portion 703; wherein
  • the receiving part 701 is configured to receive the first radio resource control RRC signaling
  • the second detecting part 702 is configured to perform LBT detection after listening to the unlicensed spectrum after the receiving part 701 receives the first RRC signaling;
  • the second sending part 703 is configured to send RRC response signaling for the first RRC signaling on the unlicensed spectrum when the LBT detection result is successful.
  • the second detecting portion 702 is configured to: after the first LBT detection failure on the unlicensed spectrum in the preset first time period, target the non-detection according to the set number of detections Authorize the spectrum for LBT detection.
  • the second detecting portion 702 is further configured to:
  • the receiving part 701 When the receiving part 701 receives the second RRC signaling, detecting whether the second RRC signaling is associated with the first RRC signaling: if yes, ignoring the second RRC signaling, continuing to target non- Authorizing the spectrum to perform LBT detection and transmitting RRC response signaling of the first RRC signaling; otherwise, performing LBT detection for the unlicensed spectrum and triggering the second transmitting portion 703 to transmit RRC response signaling for the second RRC signaling.
  • the second detecting portion 702 is configured to:
  • the transmission identifier is used to indicate that the second RRC signaling is repeatedly sent for the first RRC signaling, and the repetition index number is used to represent the number of times the second RRC signaling is repeatedly sent for the first RRC signaling. .
  • the embodiment provides a computer storage medium, which stores an information transmission program, and the information transmission program is executed by at least one processor to implement the steps of the method described in the second embodiment.
  • a computer storage medium which stores an information transmission program, and the information transmission program is executed by at least one processor to implement the steps of the method described in the second embodiment.
  • FIG. 8 shows a specific hardware structure of a network device 70 according to an embodiment of the present invention, which may include: a second network interface 801, a second memory 802, and a second Processor 803; the various components are coupled together by a bus system 804.
  • bus system 804 is used to implement connection communication between these components.
  • Bus system 804 includes, in addition to the data bus, a power bus, a control bus, and a status signal bus.
  • various buses are labeled as bus system 804 in FIG. among them,
  • the second network interface 801 is configured to receive and send signals during the process of transmitting and receiving information with other external network elements.
  • a second memory 802 configured to store a computer program capable of running on the second processor 803;
  • the second processor 803 is configured to: when the computer program is executed, perform:
  • RRC response signaling for the first RRC signaling is sent on the unlicensed spectrum.
  • the second processor 803 in the network device 70 is further configured to perform the method steps described in the foregoing Embodiment 2 when the computer program is executed, and details are not described herein.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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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 et un dispositif de transmission d'informations, ainsi qu'un support de stockage informatique. Le procédé comprend les étapes suivantes consistant à réaliser, dans une première période de temps prédéfinie, après que la détection d'une première écoute avant d'émettre (LBT) sur un spectre sans licence échoue, une détection LBT sur le spectre sans licence selon le nombre de fois défini de détection, et lorsqu'un résultat de détection LBT est réussi, envoyer, sur le spectre sans licence, une première signalisation de commande de ressource radio (RRC) à envoyer ; après que la première signalisation RRC a été envoyée, réaliser un comptage de temps selon une seconde période de temps définie ; et lorsque la signalisation de réponse RRC pour la première signalisation RRC est reçue dans la seconde période de temps, confirmer que la transmission n'a pas expirée. Par conséquent, un flux de traitement d'erreur étant déclenché lorsqu'un retard plus important est confondu à tord comme une erreur peut être évité, et l'occupation répétée de ressources de réseau est évitée ; de plus, la robustesse de la transmission de signalisation dans le cas d'un spectre sans licence est améliorée, et l'efficacité de transmission d'informations est améliorée.
PCT/CN2017/119128 2017-12-27 2017-12-27 Procédé et dispositif de transmission d'informations, et support de stockage informatique WO2019127148A1 (fr)

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CN201780097264.5A CN111434063B (zh) 2017-12-27 2017-12-27 一种信息传输的方法、设备及计算机存储介质
PCT/CN2017/119128 WO2019127148A1 (fr) 2017-12-27 2017-12-27 Procédé et dispositif de transmission d'informations, et support de stockage informatique

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