CN111434063A

CN111434063A - Information transmission method, equipment and computer storage medium

Info

Publication number: CN111434063A
Application number: CN201780097264.5A
Authority: CN
Inventors: 唐海
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2020-07-17
Anticipated expiration: 2037-12-27
Also published as: WO2019127148A1; CN111434063B

Abstract

The embodiment of the invention provides a method, equipment and a computer storage medium for information transmission, wherein the method comprises the steps of carrying out L BT detection on an unauthorized frequency spectrum according to set detection times after first listening and then speaking L BT detection on the unauthorized frequency spectrum is failed in a preset first time period, sending a first Radio Resource Control (RRC) signaling to be sent on the unauthorized frequency spectrum when a L BT detection result is successful, timing according to a set second time period after the first RRC signaling is sent, and confirming that the transmission is not overtime when an RRC response signaling aiming at the first RRC signaling is received in the second time period, so that the phenomenon that a larger delay is mistaken as an error to trigger an error processing flow is avoided, the repeated occupation of network resources is avoided, the robustness of signaling transmission under the condition of the unauthorized frequency spectrum is improved, and the efficiency of information transmission is improved.

Description

Information transmission method, equipment and computer storage medium

Technical Field

The embodiments of the present invention relate to the field of wireless communication technologies, and in particular, to a method and an apparatus for information transmission, and a computer storage medium.

Background

Unlicensed spectrum is a spectrum divided by countries and regions that can be used for radio device communication, and this spectrum can be generally considered as a shared spectrum, i.e., a spectrum can be used by communication devices in different communication systems without applying a proprietary spectrum license as long as the communication devices meet the regulatory requirements set on the spectrum by the country or region.

In a licensed Assisted Access (L AA-L TE, &lTtTtranslation = L "&gTtL &lTt/T &gTtong Term Evolution) system based on long Term Evolution (L TE, &lTtTtranslation = L" &gTtL &lTt/T &gTtauthenticated-Assisted Access L TE) system, a User Equipment (UE) operates simultaneously on multiple carriers (frequency bands) in Carrier Aggregation (CA), wherein a Primary Carrier (Primary Carrier) of L TE UE operates on licensed spectrum, corresponds to a Primary Cell (Pcell, Primary Cell) in CA technology, operates on licensed spectrum, a Secondary Carrier (Secondary Carrier) of L TE UE operates on licensed spectrum, corresponds to a Secondary Cell (Sccell) in CA technology, and may be in non-licensed spectrum.

At present, when information is transmitted by using an unlicensed spectrum, a transmitting end needs to perform a listen-Before-Talk (L BT, &lttttranslation = L "&tttl &lttt/t &tttexisting Before message Talk) process, and information can be transmitted only after the information is successfully transmitted.

Disclosure of Invention

The embodiment of the invention provides a method, equipment and a computer storage medium for information transmission; the repeated occupation of network resources is avoided, and the information transmission efficiency is improved.

The technical scheme of the embodiment of the invention can be realized as follows:

in a first aspect, an embodiment of the present invention provides an information transmission method, where the method is applied to a sending-end device, and the method includes:

after first listen before talk L BT detection fails on an unauthorized spectrum in a preset first time period, L BT detection is carried out on the unauthorized spectrum according to set detection times, and when a L BT detection result is successful, a first Radio Resource Control (RRC) signaling to be sent is sent on the unauthorized spectrum;

after the first RRC signaling is sent, timing according to a set second time period;

and when the RRC response signaling aiming at the first RRC signaling is received in the second time period, confirming that the transmission is not overtime.

In a second aspect, an embodiment of the present invention provides an information transmission method, where the method is applied to a receiving end device, and the method includes:

after receiving a first Radio Resource Control (RRC) signaling, carrying out listen before talk (L) BT detection on an unauthorized frequency spectrum;

and when the L BT detection result is successful, transmitting RRC response signaling aiming at the first RRC signaling on the unlicensed spectrum.

In a third aspect, an embodiment of the present invention provides a network device, including a first detection portion, a first transmission portion, a timing portion, and an acknowledgement portion; wherein the content of the first and second substances,

the first detection part is configured to perform L BT detection on an unauthorized spectrum according to a set detection number after a first listen before talk L BT detection on the unauthorized spectrum fails in a preset first time period;

the first transmitting part is configured to transmit a first radio resource control RRC signaling to be transmitted on the unlicensed spectrum when the BT detection result of the detecting part L is successful;

the timing part is configured to time according to a set second time period after the sending part sends the first RRC signaling;

the confirming part is configured to confirm that the transmission is not timed out when the RRC response signaling for the first RRC signaling is received within the second time period.

In a fourth aspect, an embodiment of the present invention provides a network device, including: a receiving section, a second detecting section, a second transmitting section; wherein the content of the first and second substances,

the receiving part is configured to receive a first Radio Resource Control (RRC) signaling;

the second detection part is configured to perform listen before talk L BT detection on the unlicensed spectrum after the first RRC signaling is received by the receiving part;

the second transmitting part is configured to transmit RRC reply signaling aiming at the first RRC signaling on the unlicensed spectrum when the L BT detection result is successful.

In a fifth aspect, an embodiment of the present invention provides a network device, including: a network interface, a memory, and a processor; wherein the content of the first and second substances,

the network interface is used for receiving and sending signals in the process of receiving and sending information with other external network elements;

the memory for storing a computer program operable on the first processor;

the processor is configured to, when executing the computer program, perform the steps of the method of the first aspect or the second aspect.

In a sixth aspect, an embodiment of the present invention provides a computer storage medium, where a data replication transmission program is stored, and the data replication transmission program, when executed by at least one processor, implements the steps of the method according to the first aspect or the second aspect.

The embodiment of the invention provides a method, equipment and a computer storage medium for information transmission; by prolonging the current timing period, the method avoids that a larger delay is mistaken as an error to trigger an error processing flow, avoids repeated occupation of network resources, improves the robustness of signaling transmission under the condition of unauthorized frequency spectrum, and improves the efficiency of information transmission.

Drawings

Fig. 1 is a block diagram of a wireless communication system according to an embodiment of the present invention;

fig. 2 is a block diagram of another wireless communication system according to an embodiment of the present invention;

fig. 3 is a flowchart illustrating a method for transmitting information according to an embodiment of the present invention;

fig. 4 is a flowchart illustrating another information transmission method according to an embodiment of the present invention;

fig. 5 is a schematic diagram illustrating a network device according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a specific hardware structure of a network device according to an embodiment of the present invention;

fig. 7 is a schematic diagram illustrating another network device according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a specific hardware structure of another network device according to an embodiment of the present invention.

Detailed Description

So that the manner in which the features and aspects of the embodiments of the present invention can be understood in detail, a more particular description of the embodiments of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings.

It should be noted that the technical solution of the embodiment of the present invention can be applied to various communication systems, such as Global System for Mobile communications (GSM) System, Code Division Multiple Access (CDMA) System, Wideband Code Division Multiple Access (WCDMA) System, General Packet Radio Service (GPRS), Universal Mobile Telecommunications System (UMTS), long Term Evolution (L ong Term Evolution), L TE System, L TE System, such as Advanced long Term Evolution (L TE-a) System, New Radio (NR), NR System, etc., such as NR-free spectrum (NR-free spectrum) System.

In addition, the technical solution of the embodiment of the present invention may also be applied to Device-to-Device (Device to Device, abbreviated as "D2D") Communication, Machine to Machine (Machine to Machine, abbreviated as "M2M") Communication, Machine Type Communication (MTC), and Vehicle to Vehicle (V2V) Communication.

Without loss of generality, referring to fig. 1, which illustrates an example of a wireless communication system 100 to which subsequent embodiments may be applied, the system 100 may include a base station 105, a communication device (also referred to as User Equipment (UE))115, and a core network 130. The base stations 105 may communicate with the communication devices 115 over communication links 125 under the control of a base station controller (not shown), which may be part of the core network 130 or base station 105 in various embodiments. The base stations 105 may communicate control information or user data with the core network 130 over backhaul links 132. In embodiments, the base stations 105 may communicate with each other directly or indirectly through backhaul links 134, which backhaul links 134 may be wired or wireless communication links. The system 100 may support operation on multiple carriers (waveform signals of different frequencies). Multicarrier transmitters may transmit modulated signals simultaneously on multiple carriers. For example, each communication link 125 may be a multi-carrier signal modulated according to the various radio technologies described above. Each modulated signal may be transmitted on a different carrier and may carry control information (e.g., reference signals, control channels, etc.), overhead information, data, and so on.

In fig. 1, the communication link 125 or backhaul link 132 may generally use a licensed or dedicated spectrum without other interfering devices. However, in many cases, it may be difficult or expensive to obtain licensed spectrum for wireless backhaul. In addition to licensed spectrum dedicated to a particular use or entity, many countries and regions have unlicensed spectrum available in various ways. Although the unlicensed spectrum may not be dedicated to a particular use or vendor, interference in the band may be mitigated by technical rules governing both hardware and the deployment method of wireless units using the band. The rules differ between bands and countries have different rules governing operating requirements and/or maximum transmission power in unlicensed spectrum.

In some embodiments, the base stations 105 may be referred to as base station transceivers, wireless base stations, access points, wireless transceivers, Basic Service Sets (BSSs), Extended Service Sets (ESS), node Bs, evolved node Bs (eNB), Home node Bs, network devices in a Home evolved node B, NR network, such as 5G base stations (gNB), or network devices in a future evolved P L MN network, etc. the coverage areas 110 for the base stations may be divided into sectors that form only a portion of the coverage area (not shown). the system 100 may include different types of base stations 105 (e.g., macro, micro, or pico base stations). for different technologies, there may be overlapping coverage areas.

In the present embodiment, the system 100 is preferably an evolved system of a New Radio (NR) system and NR system, or is preferably an L TE/L TE-a network, in the NR system or the evolved system of the NR system, a 5G base station (gNB) and a UE are generally used to describe the base station 105 and the device 115, respectively, in the system shown in fig. 1, and in the L TE/L TE-a network, the terms evolved node b (enb) and a UE may be generally used to describe the base station 105 and the device 115, respectively, in the system shown in fig. 1.

And in the system shown in fig. 1, different types of base stations 105 may provide coverage for various geographic areas. For example, each base station 105 may 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., several kilometers in radius) and may allow unrestricted access by UEs with service subscriptions with the network provider. A small cell is a lower power base station that may operate in the same or different (e.g., licensed, unlicensed, etc.) frequency band as a 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 with service subscriptions with the network provider. A femto cell will also typically cover a relatively small geographic area (e.g., a home) and may provide restricted access by UEs having an association with the femto cell (e.g., UEs in a Closed Subscriber Group (CSG), UEs for users in the home, etc.). The base station used for the macro cell may be referred to as a macro base station. The base station for the pico cell may be referred to as a pico base station. And, a base station for a femto cell may be referred to as a femto base station or a home base station. The base station 105 may support one or more (e.g., two, three, four, etc.) cells.

The core network 130 may communicate with the base stations 105 via a backhaul 132 (e.g., S1, etc.). Base stations 105 may also communicate with each other (e.g., directly or indirectly) via backhaul links 134 (e.g., X2, etc.) or via backhaul links 132 (e.g., through core network 130). The wireless communication system 100 may support synchronous operation or asynchronous operation. For synchronous operation, the base stations may have similar frame timing, and transmissions from different base stations may 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 may be used for synchronous operations or asynchronous operations.

A communication network that may accommodate certain of the various disclosed embodiments may be a packet-based network that operates according to a layered protocol stack.

The UEs 115 are dispersed throughout the Wireless communication system 100, and each UE may be stationary or mobile, the UEs 115 may also be referred to by those skilled in the art as AN access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, a Wireless communication device, a user agent, or a user equipment, the terminal device may be a Station (ST) in a Wireless local area network (W L AN, Wireless L industrial networks), may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless local loop (Wireless L o L oop, W LL) station, a personal digital assistant ("PDA") device, a handheld device with Wireless communication capability, a computing device, or other processing device connected to a Wireless modem, a vehicle mounted device, a wearable device, and a wearable device for a next generation communication system, such as a wearable device, a mobile terminal, a Wireless communication device, a user agent, or a user equipment, the terminal may also be referred to as a wearable network, a wearable computing device, a wearable computing device, a wearable network, a wearable device, a mobile terminal, a wearable device, a mobile terminal, a mobile.

The wireless communication system 100 shown in fig. 1 may support operation over multiple carriers, which may be referred to as Carrier Aggregation (CA) or multi-Carrier operation. The carriers may also be referred to as Component Carriers (CCs), layers, channels, and the like. The terms "carrier," "CC," "cell," and "channel" may be used interchangeably herein. A carrier for downlink may be referred to as a downlink CC, and a carrier for uplink may be referred to as an uplink CC. A UE115 may be configured with multiple downlink CCs and one or more uplink CCs for carrier aggregation.

For the wireless communication system 100 shown in fig. 1, the UE115 is configured with a UE-specific primary carrier (e.g., a primary cell or PCell) or one or more secondary carriers (e.g., a secondary cell or SCell). The PCell may include a downlink primary CC (e.g., downlink PCC) and an uplink primary CC (e.g., uplink PCC). The SCell may include a downlink secondary CC (e.g., a downlink SCC) and, if configured, an uplink secondary CC (e.g., an uplink SCC). Control information including scheduling of scells may be performed on the SCell or on a different cell (e.g., PCell or SCell), which may be referred to as cross-carrier control signaling. The PCell may be identified by the UE115 (e.g., as the strongest available carrier, etc.) prior to establishing a connection with the base station 105. Once the UE115 establishes a connection with the base station 105 via the PCell, one or more scells may be configured via higher layer signaling (e.g., RRC, etc.). The configuration of the SCell may include transmitting all System Information (SI) for the SCell, e.g., through RRC signaling.

In some cases, both the PCell and SCell are supported by the same base station 105. In other cases, 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 different base stations 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.

Fig. 2 illustrates an example of a wireless communication system 200 (in which a UE 115-a is served by a carrier 225) in accordance with various embodiments. In one embodiment, the carrier 225-a may be one or more primary carriers (e.g., primary cell or PCell) and the other carriers (e.g., 225-b, 225-n, etc.) may be one or more secondary carriers (e.g., 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 the PCell 225-a and scells 225-b, 225-n are supported by the same base station 105-a. In other cases, the PCell 225-a may be supported by one base station 105, and one or more scells 225 may be supported by a different base station 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.

For the wireless communication system shown in fig. 1 or fig. 2, in the related art, the PCell is configured to be implemented on the licensed spectrum, and in the NR system, in order to improve the spectrum utilization rate, the PCell may also be implemented on the unlicensed spectrum, so as to avoid interference of the unlicensed spectrum caused by multiple radio access technologies, the usage of the unlicensed spectrum is currently regulated through a listen-before-talk L BT mechanism.

After the PCell is implemented on the unlicensed spectrum, due to the L BT mechanism of the unlicensed spectrum, delay in the existing RRC signaling transmission process is increased, so that a larger delay is mistakenly regarded as an error to trigger an error processing procedure, thereby causing a decrease in robustness of signaling transmission under the unlicensed spectrum.

Based on this, the following examples are proposed.

Example one

Referring to fig. 3, it shows a flow of a method for information transmission according to an embodiment of the present invention, where the method may be applied to a sending end device when performing RRC signaling transmission in an unlicensed spectrum, and the flow of the method may include:

s301, after L BT detection for the first time on an unauthorized spectrum fails in a preset first time period, L BT detection is carried out on the unauthorized spectrum according to set detection times, and when a L BT detection result succeeds, a first RRC signaling to be sent is sent on the unauthorized spectrum;

in this embodiment, the sending end device may refer to a device that performs RRC signaling transmission in an RRC signaling transmission process, and specifically may be a base station eNB or a gNB, or UE., it should be noted that in a first time period, after a first L BT detection performed by the sending end on an unlicensed spectrum fails, the sending end may try L BT detection multiple times, and when the detection succeeds, send a first RRC signaling to be sent.

S302: after the first RRC signaling is sent, timing according to a set second time period;

it should be noted that, at present, a delay timing mechanism is provided for the transmission scheme of the RRC signaling, but since the RRC signaling is transmitted through the PCell at present, and in the L TE/L TE-a system supporting the CA technology, the PCell uses a high-reliability licensed spectrum, in the current delay timing mechanism, a timing period for characterizing occurrence of a delay error is short, so when the PCell is implemented through an unlicensed spectrum, a second time period for characterizing occurrence of a delay error should be longer than the current timing period, and by extending the current timing period, it is avoided that a larger delay is mistaken as an error to trigger an error handling procedure, thereby improving robustness of signaling transmission in the case of the unlicensed spectrum.

Specifically, the timing period of the current delay timing mechanism is taken as a standard timing period, and then the second time period is obtained after the standard timing period is prolonged according to the network quality index of the unlicensed spectrum, in detail, in the process of detecting L BT of the unlicensed spectrum through the step S301, the unlicensed spectrum can be measured, so that the network quality index of the unlicensed spectrum is obtained according to the measurement result, and the network quality index is used for representing the network quality of the unlicensed spectrum.

S303: and when the RRC response signaling aiming at the first RRC signaling is received in the second time period, confirming that the transmission is not overtime.

It can be understood that the L BT detection condition of the receiving end has been considered in the setting of the second time period, and then the sending end receives the RRC response signaling for the first RRC signaling in the second time period, which indicates that the RRC signaling transmission is not timed out.

For the technical scheme shown in fig. 3, when the RRC response signaling for the first RRC signaling is not received within the second time period, it indicates that the RRC response signaling is delayed due to L BT detection failure at the receiving end, and therefore, the method may further include performing L BT detection again for the unlicensed spectrum and transmitting a second RRC signaling associated with the first RRC signaling, and preferably, when the second RRC signaling is transmitted, refer to S301, so that after the second RRC signaling is completed, timing continues according to the set second time period, and since the first RRC signaling is associated with the second RRC signaling and the second RRC signaling is repeatedly transmitted for the first RRC signaling, the delayed timing for the first RRC signaling can be further increased, thereby avoiding that a larger delay is mistakenly regarded as an error to trigger an error processing procedure, and further improving robustness of signaling transmission under the unlicensed spectrum.

It should be noted that, when the receiving end may cause the RRC response signaling to be delayed due to L BT detection failure, the sending end may send the RRC signaling, such as a second RRC signaling, to the receiving end again, in order to enable the receiving end to know that the second RRC signaling is sent again for the first RRC signaling, specifically, an association identifier for characterizing that the second RRC signaling has an association relationship with the first RRC signaling may be carried in the second RRC signaling.

Furthermore, when the second RRC signaling does not contain the transmission identification transmission id, the association indication in the second RRC signaling may contain only the repetition index. It can be understood that, in the RRC Reconfiguration process, the two steps are only included, in which the base station sends the RRC Reconfiguration signaling to the UE, and the UE responds to the base station that the RRC Reconfiguration Complete signaling after receiving the RRC Reconfiguration signaling.

It can be understood that, in the embodiment of the present invention, the implementation of the technical solution is described and illustrated by taking the RRC reconfiguration procedure as an example, and the technical solution of the embodiment of the present invention can be applied to other interaction procedures related to RRC signaling, such as procedures of RRC connection establishment, RRC connection release, and RRC connection maintenance, according to the needs of a specific application scenario.

Example two

Based on the same inventive concept of the foregoing embodiment, referring to fig. 4, it shows a flow of a method for transmitting information according to an embodiment of the present invention, where the method may be applied to a receiving end device when performing RRC signaling transmission in an unlicensed spectrum, and in this embodiment, the receiving end device may refer to a device that receives RRC signaling in an RRC signaling transmission process, and specifically may be a base station eNB or a gNB, or may be a UE. The method flow can comprise the following steps:

s401, after receiving a first RRC signaling, L BT detection is carried out aiming at an unauthorized frequency spectrum;

and S402, when the L BT detection result is successful, sending RRC response signaling aiming at the first RRC signaling on the unlicensed spectrum.

Specifically, the receiving end needs to respond to the first RRC signaling after receiving the first RRC signaling, so the receiving end and the transmitting end belong to a relative concept in the embodiment of the present invention, that is, the receiving end in this embodiment belongs to the transmitting end for the RRC response signaling, therefore, for the RRC response signaling, for step S401, the receiving end may perform the step S301 in the foregoing embodiment, specifically, the receiving end may perform L BT detection on the unlicensed spectrum according to the set number of times after performing the first L BT detection on the unlicensed spectrum in the preset first time period, and when the L BT detection result is successful, transmit the RRC response signaling on the unlicensed spectrum.

It can be understood that, since the receiving end still needs to perform L BT detection for multiple times when responding to the first RRC signaling, when the receiving end does not send the RRC response signaling within the second time period in the foregoing embodiment, the receiving end receives the second RRC signaling associated with the first RRC signaling, based on which, the technical solution shown in fig. 4 may further include:

and when receiving a second RRC signaling, detecting whether the second RRC signaling is associated with the first RRC signaling, if so, ignoring the second RRC signaling, and continuously performing L BT detection and transmitting RRC response signaling of the first RRC signaling aiming at the unlicensed spectrum, otherwise, performing L BT detection and transmitting RRC response signaling aiming at the second RRC signaling aiming at the unlicensed spectrum.

Specifically, the receiving end device may detect whether an association identifier for characterizing an association relationship with the first RRC signaling is carried in the second RRC signaling to determine whether the second RRC signaling is associated with the first RRC signaling. Specifically, whether a transmission identifier and a repetition index are included in a second RRC signaling is detected, wherein the transmission identifier is used for representing that the second RRC signaling is repeatedly sent for a first RRC signaling, and the repetition index is used for representing the number of times that the second RRC signaling is repeatedly sent for the first RRC signaling. When the second RRC signaling includes the transmission identifier transmission id and the repetition index, it may be determined that the second RRC signaling is the RRC signaling repeatedly sent for the first RRC signaling.

In addition, the second RRC signaling may include only the repetition index instead of the transmission identification id. Therefore, it may be detected only whether the repetition index is included in the second RRC signaling; if so, it may be confirmed that the second RRC signaling is RRC signaling repeatedly transmitted for the first RRC signaling.

It can be understood that, in the RRC Reconfiguration process, the two steps are only included in which the base station sends the RRC Reconfiguration signaling to the UE, and the UE responds to the base station that the RRC Reconfiguration Complete signaling after receiving the RRC Reconfiguration signaling.

It can be understood that, in the embodiment of the present invention, the implementation of the technical scheme is described and illustrated by taking the RRC reconfiguration procedure as an example, and the technical scheme of the embodiment of the present invention can be applied to other interaction procedures related to RRC signaling, such as procedures of RRC connection establishment, RRC connection release, and RRC connection maintenance, according to the needs of a specific application scenario.

EXAMPLE III

Based on the same inventive concept of the foregoing embodiment, referring to fig. 5, it shows a composition of a network device 50 provided in the embodiment of the present invention, where the network device 50 may be a sending end device when performing RRC signaling transmission in the case of an unlicensed spectrum, and includes: a first detection section 501, a first transmission section 502, a timing section 503, and a confirmation section 504; wherein the content of the first and second substances,

the first detection part 501 is configured to perform L BT detection on an unlicensed spectrum according to a set detection number after a first listen before talk L BT detection on the unlicensed spectrum fails in a preset first time period;

the first transmitting portion 502 is configured to transmit a first radio resource control RRC signaling to be transmitted on the unlicensed spectrum when the BT detection result of the detecting portion L is successful;

the timing part 503 is configured to count time according to a set second time period after the sending part sends the first RRC signaling;

the confirming part 504 is configured to confirm that the transmission is not timed out when the RRC response signaling for the first RRC signaling is received within the second time period.

In the above scheme, the first detection part 501 is further configured to perform L BT detection again for the unlicensed spectrum when the RRC response signaling for the first RRC signaling is not received within the second time period;

the first transmitting portion 502 is further configured to transmit a second RRC signaling associated with the first RRC signaling.

In the foregoing scheme, the second RRC signaling carries an association identifier for characterizing an association relationship with the first RRC signaling.

In the above scheme, the association indication includes a transmission identifier and a repetition index, where the transmission identifier is used to represent that the second RRC signaling is repeatedly sent for the first RRC signaling, and the repetition index is used to represent the number of times that the second RRC signaling is repeatedly sent for the first RRC signaling.

In the above scheme, the association representation includes only the repetition index; wherein the repetition index number is used for representing the number of times that the second RRC signaling is repeatedly sent aiming at the first RRC signaling.

In the above scheme, the second time period is obtained by extending a set standard timing period according to the network quality indicator of the unlicensed spectrum.

It is understood that in this embodiment, "part" may be part of a circuit, part of a processor, part of a program or software, etc., and may also be a unit, and may also be a module or a non-modular.

In addition, each component in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit. The integrated unit can be realized in a form of hardware or a form of a software functional module.

Based on the understanding that the technical solution of the present embodiment essentially or a part contributing to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, and include several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the method of the present embodiment. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

Accordingly, the present embodiment provides a computer storage medium storing an information transfer program that, when executed by at least one processor, performs the steps of the method of the first of the above-described embodiments.

Based on the network device 50 and the computer storage medium, referring to fig. 6, a specific hardware structure of the network device 50 provided by the embodiment of the present invention is shown, and 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. It is understood that the bus system 604 is used to enable communications among the components. The bus system 604 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 604 in fig. 6. The first network interface 601 is configured to receive and transmit signals in a process of receiving and transmitting information with other external network elements;

a first memory 602 for storing a computer program capable of running on the first processor 603;

a first processor 603 configured to, when running the computer program, perform:

It is understood that the first Memory 602 in embodiments of the present invention may be either volatile Memory or non-volatile Memory, or may include both volatile and non-volatile Memory, wherein non-volatile Memory may be Read-Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), or flash Memory volatile Memory may be Random Access Memory (RAM), which serves as external cache Memory, RAM, many forms of RAM are available, such as Static RAM (Static RAM), Dynamic RAM (Dynamic DRAM), Synchronous DRAM (Synchronous DRAM), Double Data Rate Synchronous DRAM (Double Data RAM), SDRAM (Enhanced DRAM), SDRAM (Synchronous DRAM), and other types of RAM suitable for Direct Access systems, including, but not limited to, DRAM, RAM 602 and SDRAM (S).

The first processor 603 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the first processor 603. The first Processor 603 may be a general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. 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 method in combination with the hardware thereof.

For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable logic devices (P L D), Field-Programmable Gate arrays (FPGAs), general purpose processors, controllers, microcontrollers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.

For a software implementation, the techniques described herein may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.

Specifically, when the first processor 603 in the network device 50 is further configured to run the computer program, the method steps described in the first embodiment are executed, and are not described herein again.

Example four

Based on the same inventive concept of the foregoing embodiment, referring to fig. 7, it shows a composition of a network device 70 provided in an embodiment of the present invention, where the network device 70 may be a receiving end device when performing RRC signaling transmission in the case of an unlicensed spectrum, and includes: a receiving section 701, a second detecting section 702, a second transmitting section 703; wherein the content of the first and second substances,

the receiving part 701 is configured to receive a first radio resource control RRC signaling;

the second detecting part 702 is configured to perform listen before talk L BT detection on the unlicensed spectrum after the receiving part 701 receives the first RRC signaling;

the second transmitting portion 703 is configured to transmit RRC response signaling for the first RRC signaling on the unlicensed spectrum when the L BT detection result is successful.

In the scheme, the second detection part 702 is configured to perform L BT detection on the unlicensed spectrum according to a set detection number after the first L BT detection on the unlicensed spectrum fails in a preset first time period.

In the above solution, the second detecting portion 702 is further configured to:

when the receiving part 701 receives a second RRC signaling, detecting whether the second RRC signaling is associated with the first RRC signaling, if so, ignoring the second RRC signaling, continuing L BT detection for the unlicensed spectrum and transmitting RRC response signaling of the first RRC signaling, otherwise, executing L BT detection for the unlicensed spectrum and triggering the second transmitting part 703 to transmit RRC response signaling for the second RRC signaling.

In the above scheme, the second detecting portion 702 is configured to:

detecting whether the second RRC signaling comprises a transmission identifier and a repeated index number; or, detecting whether the second RRC signaling only includes a repeated index number;

the transmission identifier is used for representing that the second RRC signaling is sent repeatedly for the first RRC signaling, and the repeated index number is used for representing the number of times that the second RRC signaling is sent repeatedly for the first RRC signaling.

In addition, the present embodiment provides a computer storage medium storing an information transmission program, which when executed by at least one processor implements the steps of the method of the second embodiment. For specific description of the computer storage medium, refer to the description in embodiment three, and are not described herein again.

Based on the above network device 70 and the computer storage medium, referring to fig. 8, a specific hardware structure of the network device 70 provided by the embodiment of the present invention is shown, 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. It is understood that the bus system 804 is used to enable communications among the components. The bus system 804 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 804 in FIG. 8. Wherein the content of the first and second substances,

the second network interface 801 is configured to receive and transmit signals in a process of receiving and transmitting information with other external network elements;

a second memory 802 for storing a computer program capable of running on the second processor 803;

a second processor 803, configured to, when running the computer program, perform:

It can be understood that, in this embodiment, components in the specific hardware structure of the network device 70 are similar to corresponding components in the third embodiment, and are not described herein again.

Specifically, the second processor 803 in the network device 70 is further configured to execute the method steps described in the second embodiment when running the computer program, which is not described herein again.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Industrial applicability

In the embodiment, the current timing period is prolonged, so that the situation that a larger delay is mistaken as an error to trigger an error processing flow is avoided, the repeated occupation of network resources is avoided, the robustness of signaling transmission under the condition of unauthorized spectrum is improved, and the efficiency of information transmission is improved.

Claims

A method for information transmission is applied to a sending terminal device, and the method comprises the following steps:

after first listen before talk L BT detection fails on an unauthorized spectrum in a preset first time period, L BT detection is carried out on the unauthorized spectrum according to set detection times, and when a L BT detection result is successful, a first Radio Resource Control (RRC) signaling to be sent is sent on the unauthorized spectrum;

after the first RRC signaling is sent, timing according to a set second time period;

and when the RRC response signaling aiming at the first RRC signaling is received in the second time period, confirming that the transmission is not overtime.
The method of claim 1, wherein the method further comprises:

when the RRC response signaling aiming at the first RRC signaling is not received within the second time period, L BT detection is carried out again aiming at the unlicensed spectrum, and second RRC signaling associated with the first RRC signaling is sent.
The method according to claim 2, wherein the second RRC signaling carries an association identifier for characterizing an association relationship with the first RRC signaling.
The method of claim 3, wherein the association representation comprises a transmission identifier for indicating that the second RRC signaling is repeatedly transmitted for the first RRC signaling and a repetition index number for indicating the number of times the second RRC signaling is repeatedly transmitted for the first RRC signaling.
The method according to claim 3, wherein the associated representation comprises only the repetition index; wherein the repetition index number is used for representing the number of times that the second RRC signaling is repeatedly sent aiming at the first RRC signaling.
The method of claim 1, wherein the second time period is obtained by extending a set standard timing period according to a network quality indicator of the unlicensed spectrum.
A method for information transmission, the method is applied to a receiving end device, and the method comprises the following steps:

after receiving a first Radio Resource Control (RRC) signaling, carrying out listen before talk (L) BT detection on an unauthorized frequency spectrum;

and when the L BT detection result is successful, transmitting RRC response signaling aiming at the first RRC signaling on the unlicensed spectrum.
The method of claim 7, wherein the performing listen-before-talk L BT detection for unlicensed spectrum comprises:

after the first L BT detection is failed on the unauthorized spectrum within a preset first time period, L BT detection is carried out on the unauthorized spectrum according to a set detection number.
The method of claim 7, wherein the method further comprises:

and when receiving a second RRC signaling, detecting whether the second RRC signaling is associated with the first RRC signaling, if so, ignoring the second RRC signaling, and continuously performing L BT detection and transmitting RRC response signaling of the first RRC signaling aiming at the unlicensed spectrum, otherwise, performing L BT detection and transmitting RRC response signaling aiming at the second RRC signaling aiming at the unlicensed spectrum.
The method of claim 9, wherein the detecting whether the second RRC signaling is associated with the first RRC signaling comprises:

detecting whether the second RRC signaling comprises a transmission identifier and a repeated index number; or, detecting whether the second RRC signaling only includes a repeated index number;

the transmission identifier is used for representing that the second RRC signaling is sent repeatedly for the first RRC signaling, and the repeated index number is used for representing the number of times that the second RRC signaling is sent repeatedly for the first RRC signaling.
A network device includes a first detection section, a first transmission section, a timing section, and an acknowledgement section; wherein the content of the first and second substances,

the first detection part is configured to perform L BT detection on an unauthorized frequency spectrum according to a set detection number after a first listen before talk L BT detection on the unauthorized frequency spectrum fails in a preset first time period;

the first transmitting part is configured to transmit a first radio resource control RRC signaling to be transmitted on the unlicensed spectrum when the BT detection result of the detecting part L is successful;

the timing part is configured to time according to a set second time period after the sending part sends the first RRC signaling;

the confirming part is configured to confirm that the transmission is not timed out when the RRC response signaling for the first RRC signaling is received within the second time period.
The network device according to claim 11, wherein the first detection portion is further configured to perform L BT detection again for the unlicensed spectrum when no RRC response signaling for the first RRC signaling is received within the second time period;

the first transmitting part is further configured to transmit second RRC signaling associated with the first RRC signaling.
The network device according to claim 12, wherein the second RRC signaling carries an association identifier for characterizing an association relationship with the first RRC signaling.
The network device of claim 13, wherein the association indication comprises a transmission identifier, a repetition index, and a transmission identifier id, wherein the transmission identifier is used to characterize that the second RRC signaling is repeatedly transmitted for the first RRC signaling, and the repetition index is used to characterize the number of times the second RRC signaling is repeatedly transmitted for the first RRC signaling.
The network device of claim 13, wherein the association representation includes only a repetition index; wherein the repetition index number is used for representing the number of times that the second RRC signaling is repeatedly sent aiming at the first RRC signaling.
The network device of claim 11, wherein the second time period is obtained by extending a set standard timing period according to a network quality indicator of the unlicensed spectrum.
A network device, comprising: a receiving section, a second detecting section, a second transmitting section; wherein the content of the first and second substances,

the receiving part is configured to receive a first Radio Resource Control (RRC) signaling;

the second detection part is configured to perform listen before talk L BT detection on the unlicensed spectrum after the first RRC signaling is received by the receiving part;

the second transmitting part is configured to transmit RRC reply signaling aiming at the first RRC signaling on the unlicensed spectrum when the L BT detection result is successful.
The network device of claim 17, wherein the second detection portion is configured to perform L BT detection on the unlicensed spectrum according to a set number of detections after a first L BT detection on the unlicensed spectrum fails within a preset first time period.
The network device of claim 17, wherein the second detection portion is further configured to:

and when the receiving part receives a second RRC signaling, detecting whether the second RRC signaling is associated with the first RRC signaling, if so, ignoring the second RRC signaling, continuing L BT detection and sending RRC response signaling of the first RRC signaling aiming at the unlicensed spectrum, and otherwise, executing L BT detection aiming at the unlicensed spectrum and triggering the second sending part to send RRC response signaling aiming at the second RRC signaling.
The network device of claim 19, wherein the second detection portion is configured to:

detecting whether the second RRC signaling comprises a transmission identifier and a repeated index number; or, detecting whether the second RRC signaling only includes a repeated index number;

the transmission identifier is used for representing that the second RRC signaling is sent repeatedly for the first RRC signaling, and the repeated index number is used for representing the number of times that the second RRC signaling is sent repeatedly for the first RRC signaling.
A network device, comprising: a network interface, a memory, and a processor; wherein the content of the first and second substances,

the network interface is used for receiving and sending signals in the process of receiving and sending information with other external network elements;

the memory for storing a computer program operable on the first processor;

the processor, when running the computer program, is configured to perform the steps of the method of any one of claims 1 to 6 or any one of claims 7 to 10.
A computer storage medium storing a data replication transmission program that when executed by at least one processor implements the steps of the method of any one of claims 1 to 6 or any one of claims 7 to 10.