CN109803436A - A kind of accidental access method and device - Google Patents

A kind of accidental access method and device Download PDF

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Publication number
CN109803436A
CN109803436A CN201711147410.9A CN201711147410A CN109803436A CN 109803436 A CN109803436 A CN 109803436A CN 201711147410 A CN201711147410 A CN 201711147410A CN 109803436 A CN109803436 A CN 109803436A
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CN
China
Prior art keywords
link carrier
random access
information
access
resource
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Granted
Application number
CN201711147410.9A
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Chinese (zh)
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CN109803436B (en
Inventor
王宇晨
于海凤
曹振臻
王学龙
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN202110535468.0A priority Critical patent/CN113556824B/en
Priority to CN201711147410.9A priority patent/CN109803436B/en
Priority to PCT/CN2018/114901 priority patent/WO2019096073A1/en
Publication of CN109803436A publication Critical patent/CN109803436A/en
Application granted granted Critical
Publication of CN109803436B publication Critical patent/CN109803436B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure

Abstract

The embodiment of the present application discloses a kind of accidental access method and device, is related to field of communication technology, so that a PUL and at least one SUL are configured with and the terminal device in connected state is determined to initiate the up-link carrier of random access, to complete random access.The random device is applied to the chip or the terminal device for being in connected state and being configured in the terminal device of at least two up-link carriers.The described method includes: receiving the first information that access network equipment is sent, the first information is for determining at least one up-link carrier for having random access resource at least two up-link carriers；The up-link carrier for initiating random access is determined at least one up-link carrier for having random access resource；Random access is initiated on the up-link carrier for initiating random access.

Description

A kind of accidental access method and device
Technical field
The invention relates to field of communication technology more particularly to a kind of accidental access methods and device.
Background technique
In order to meet the large capacity of mobile communication system and the transmission demand of high-speed, the 5th generation communication technology (the 5 Generation Mobile Communication Technology, 5G) high frequency of the system introducing greater than 6 girz (GHz) Frequency range is communicated.In general, the transmission power of terminal device is lower, in this way, when terminal device be in cell edge region and When sending signal to base station using high frequency upstream carrier wave, since transmission loss is larger in transmission process and penetrates for high-frequency signal Ability is weaker, and therefore, base station possibly can not receive the signal of terminal device transmission, and still, which can receive Pass through the signal that high frequency downlink (Downlink, DL) is sent to base station.There have been uplink and downlink covering is asymmetric in this way Problem.
In order to solve the problems, such as that uplink and downlink covering is asymmetric, at least one section of low frequency band is introduced in 5G system, such as a long time The frequency range of evolution (Long Term Evolution, LTE) transmits upstream data in terminal device for assisting.Here, will Original high frequency upstream carrier wave is known as primary uplink (Primary Uplink PUL), the low frequency up-link carrier that will newly introduce Referred to as assist uplink (Supplementary Uplink, SUL).In this way, in one cell, terminal device is configured with One PUL and at least one SUL.
In terminal device in the scene that a certain cell is configured with a PUL and at least one SUL, if the terminal device In idle (Idle) state, then the terminal device can be by judging the Reference Signal Received Power of downlink reference signal Size relation between (Reference Signal Received Power, RSRP) and preset RSRP threshold value, in PUL and The up-link carrier for the initiation random access determined at least one SUL.
But in terminal device in the scene that a certain cell is configured with a PUL and at least one SUL, at present also The up-link carrier for initiating random access how is determined there is no the terminal device in connected state (Connected), is somebody's turn to do with realizing The method of terminal device completion random access.
Summary of the invention
The embodiment of the present application provides a kind of accidental access method and device, enables to be configured with PUL and at least One SUL and the terminal device for being in connected state are determined to initiate the up-link carrier of random access, to complete random access.
In order to achieve the above objectives, the embodiment of the present application adopts the following technical scheme that
In a first aspect, providing a kind of accidental access method, which is applied in connected state and is configured There are the chip or the terminal device in the terminal device of at least two up-link carriers.Specifically, terminal device (or terminal is set Chip in standby) receive access network equipment transmission for determining in above-mentioned at least two up-link carrier there is random access money After the first information of at least one up-link carrier in source, determined in above-mentioned at least one up-link carrier for having random access resource The up-link carrier for initiating random access, in this way, the terminal device (or chip in terminal device) can be random in above-mentioned initiation Random access is initiated on the up-link carrier of access.
The first information in the embodiment of the present application is for determining what terminal device (or chip in terminal device) was configured There is at least one up-link carrier of random access resource at least two up-link carriers, in this way, terminal device (or in terminal device Chip) be that can determine that at least one up-link carrier of random access resource according to the first information, and then it is random from having Determine can to initiate the up-link carrier of random access at least one up-link carrier of access-in resource, to realize the terminal device (or chip in terminal device) completes random access.
Optionally, above-mentioned " at least one for having random access resource in a kind of possible implementation of the application The method of the determining up-link carrier for initiating random access in up-link carrier " are as follows: receive being used to indicate for access network equipment transmission The second information for initiating the up-link carrier of random access is stated, and according to second information, determines the upper of above-mentioned initiation random access Row carrier wave.
Terminal device (or chip in terminal device) in the embodiment of the present application is determined according to the instruction of access network equipment The up-link carrier for initiating random access, effectively raises the success rate of random access, and reduces and load in communication system Lack of uniformity.
Optionally, in the alternatively possible implementation of the application, above-mentioned at least two up-link carrier includes first Up-link carrier and N number of second up-link carrier, N >=1.In this scene, if at least one above-mentioned for having random access resource Row carrier wave includes M the second up-link carriers in N number of second up-link carrier, and the up-link carrier of above-mentioned initiation random access is M One in second up-link carrier, N >=M >=1；Alternatively, if above-mentioned at least one up-link carrier for having random access resource includes First up-link carrier, the up-link carrier of above-mentioned initiation random access are the first up-link carrier；Alternatively, above-mentioned initiation random access Up-link carrier is physical uplink control channel resource is configured at least one up-link carrier for have random access resource upper Row carrier wave；Alternatively, the up-link carrier of above-mentioned initiation random access is above-mentioned at least one up-link carrier for having random access resource In the random access resource that is configured in the time domain apart from the shortest up-link carrier of current transmission time；Alternatively, above-mentioned initiation with The up-link carrier of machine access are as follows: above-mentioned to have random access resource in the case where scheduling request unsuccessfully triggers random access procedure At least one up-link carrier in send up-link carrier where the resource that uses of scheduling request.
Terminal device (or chip in terminal device) in the embodiment of the present application, which can be determined independently, initiates random access Up-link carrier can satisfy the demand that terminal device (or chip in terminal device) initiates random access.
In conjunction with foregoing description it is found that the terminal device (or chip in terminal device) in the embodiment of the present application can basis The instruction of access network equipment determines the up-link carrier for initiating random access, can also independently determine that the uplink for initiating random access carries Wave.
Optionally, in the alternatively possible implementation of the application, above-mentioned at least two up-link carrier includes first Up-link carrier and N number of second up-link carrier, N >=1.Other than previously mentioned step, the terminal in the embodiment of the present application is set Standby (or chip in terminal device) also obtains the signal quality for the downlink reference signal that access network equipment is sent.In this way, under if The signal quality of row reference signal is less than signal quality threshold, and above-mentioned at least one up-link carrier for having random access resource includes M the second up-link carriers in N number of second up-link carrier, the up-link carrier of above-mentioned initiation random access are that M the second uplinks carry One in wave, N >=M >=1, the signal quality threshold is received from access network equipment.
Optionally, in the alternatively possible implementation of the application, above-mentioned at least two up-link carrier includes first Up-link carrier and N number of second up-link carrier, N >=1.Other than previously mentioned step, the terminal in the embodiment of the present application is set Standby (or chip in terminal device) also obtains the signal quality for the downlink reference signal that access network equipment is sent.In this way, under The signal quality of row reference signal is greater than or equal in the scene of signal quality threshold: if above-mentioned have random access resource at least One up-link carrier includes the first up-link carrier, and the up-link carrier of above-mentioned initiation random access is the first up-link carrier；On alternatively, Stating and initiating the up-link carrier of random access is to be configured with physics in above-mentioned at least one up-link carrier for having random access resource The up-link carrier of uplink control channel resource；Alternatively, the up-link carrier of above-mentioned initiation random access has random access money to be above-mentioned The random access resource being configured at least one up-link carrier in source is in the time domain apart from the shortest uplink of current transmission time Carrier wave；Alternatively, the up-link carrier of above-mentioned initiation random access be in the case where scheduling request unsuccessfully triggers random access procedure, The up-link carrier where the resource that scheduling request uses is sent in above-mentioned at least one up-link carrier for having random access resource.
As can be seen that the terminal device (or chip in terminal device) in the embodiment of the present application can also be by under judgement Size relation between the signal quality and signal quality threshold of row reference signal determines the up-link carrier for initiating random access.
Terminal device (or chip in terminal device) determines the up-link carrier for initiating random access in the embodiment of the present application There are many ways to, the embodiment of the present application is not especially limited this.
Optionally, in the alternatively possible implementation of the application, have at least the one of random access resource above-mentioned Before determining the up-link carrier for initiating random access in a up-link carrier, terminal device (or chip in terminal device) is also received The third information for being used to trigger random access procedure that access network equipment is sent.
Terminal device (or chip in terminal device) in the embodiment of the present application can be according to the instruction of access network equipment Random access is initiated, random access can also be initiated according to self-demand, the embodiment of the present application is not especially limited this.
Optionally, in the alternatively possible implementation of the application, above-mentioned third information is physical down control letter Road order, physical downlink control channel commands include at least one of the 4th information and the 5th information, and the 4th information includes connecing Log equipment is searching of being configured of the scheduling information of each up-link carrier at least one up-link carrier for have random access resource Rope spatial positional information, the 5th information include that access network equipment is each at least one up-link carrier for have random access resource The radio network temporary identifier (Radio Network Temporary Identifier, RNTI) that up-link carrier is configured.
It is physical downlink control channel commands in third information, physical downlink control channel commands include the 4th information and the In the scene of at least one of five information, terminal device (or chip in terminal device) is according to the 4th information and the 5th information At least one of be capable of determining that in above-mentioned at least one up-link carrier for having random access resource and initiate random access Up-link carrier.In this way, terminal device (or chip in terminal device) is according to third information directly in the terminal device (or terminal Chip in equipment) random access is initiated on the up-link carrier of initiation random access determined.
In conjunction with aforementioned " according to the second information, determining the up-link carrier of above-mentioned initiation random access " it is found that the application is implemented Access network equipment in example can be used different modes and send to terminal device (or chip in terminal device) for determining hair Play the information of the up-link carrier of random access.
Optionally, in the alternatively possible implementation of the application, " at least one for having random access resource In row carrier wave determine initiate random access up-link carrier " after, terminal device (or chip in terminal device) also determine on The subband being currently active in the up-link carrier for initiating random access is stated, if the subband being currently active is not default subband, The subband being currently active is switched to default subband by the terminal device (or chip in terminal device).In this scene, The method of above-mentioned " initiating random access on the up-link carrier for initiating random access " are as follows: in the up-link carrier for initiating random access On the random access resource that passes through in default subband initiate random access.In certain documents, subband is also known as wideband portions (bandwith parts, BWP)
Subband in the embodiment of the present application refers to a series of continuous Physical Resource Block or resource block in carrier wave.Default subband It is to have in the up-link carrier of random access resource in communication system, is configured with the subband of random access resource in advance.It is existing Standard agreement provides: terminal device is using the resource transmission data in the subband being currently active in carrier wave.In a certain carrier wave when Before the subband that is activated be not necessarily default subband.When the subband being currently active in the up-link carrier for initiating random access is not When default subband, terminal device (or chip in terminal device) in the up-link carrier for initiating random access by what is be currently active Subband is switched to default subband, improves the success rate of random access.
Optionally, in the alternatively possible implementation of the application, terminal device (or chip in terminal device) It is also configured with the first counter, first counter is for recording the number for re-initiating random access；Alternatively, terminal device (or chip in terminal device) is each up-link carrier point in above-mentioned at least one up-link carrier for having random access resource The second counter is not configured, and second counter is for being recorded in the number for re-initiating random access on corresponding up-link carrier.
Optionally, in the alternatively possible implementation of the application, terminal device (or chip in terminal device) It is also configured with third counter and the first predetermined power climbing step-length, which connects at random for being recorded in re-initiate The fashionable change frequency for sending power, the numerical value for sending power are based on the first predetermined power climbing step-length and change；Alternatively, eventually End equipment (or chip in terminal device) is each uplink in above-mentioned at least one up-link carrier for having random access resource Four-counter and the second predetermined power climbing step-length is respectively configured in carrier wave, which carries for being recorded in corresponding uplink The change frequency that power is sent when re-initiating random access on wave, the numerical value for sending power are based on and re-initiate random access The corresponding second predetermined power climbing step-length of the up-link carrier of use changes.
Terminal device (or chip in terminal device) in the embodiment of the present application is in the up-link carrier for initiating random access When upper initiation random access, there may be the case where failure.When terminal device (or chip in terminal device) initiate with When machine access failure, which can weigh on the up-link carrier of above-mentioned initiation random access It is new to initiate random access, an initiation can also be reselected using accidental access method provided by the embodiments of the present application and connect at random The up-link carrier entered, and random access is initiated again on the up-link carrier of the initiation random access reselected.
Second aspect provides a kind of accidental access device, which is applied in connected state and being matched The chip or terminal device being equipped in the terminal device of at least two up-link carriers.Specifically, the accidental access device includes Communication unit and determination unit.
The function that each unit module provided by the present application is realized is specific as follows:
Above-mentioned communication unit, for receiving the first information of access network equipment transmission, the first information is for determining at least two There is at least one up-link carrier of random access resource in a up-link carrier.Above-mentioned determination unit, for according to above-mentioned communication unit The first information that member receives, determining has at least one up-link carrier of random access resource, and for there is random access The up-link carrier for initiating random access is determined at least one up-link carrier of resource.Above-mentioned communication unit, is also used to above-mentioned Random access is initiated on the up-link carrier for the initiation random access that determination unit is determined.
Optionally, in a kind of possible implementation of the application, above-mentioned communication unit is also used to receive access net and sets The second information that preparation is sent, the second information are used to indicate the up-link carrier for initiating random access.Above-mentioned determination unit, is specifically used for The second information received according to receiving unit determines the up-link carrier for initiating random access.
Optionally, in the alternatively possible implementation of the application, above-mentioned at least two up-link carrier includes first Up-link carrier and N number of second up-link carrier, N >=1.In this scene, above-mentioned at least one uplink for having random access resource Carrier wave includes M in N number of second up-link carrier the second up-link carriers, and the up-link carrier of above-mentioned initiation random access is M the One in two up-link carriers, N >=M >=1；Alternatively, above-mentioned at least one up-link carrier for having random access resource includes first Up-link carrier, the up-link carrier of above-mentioned initiation random access are the first up-link carrier；Alternatively, the uplink of above-mentioned initiation random access Carrier wave is the uplink load that physical uplink control channel resource is configured at least one up-link carrier for have random access resource Wave；Alternatively, the up-link carrier of above-mentioned initiation random access is quilt in above-mentioned at least one up-link carrier for having random access resource The random access resource of configuration is in the time domain apart from the shortest up-link carrier of current transmission time；Alternatively, above-mentioned initiation connects at random The up-link carrier entered be in the case where scheduling request unsuccessfully triggers random access procedure, it is above-mentioned to have random access resource at least The up-link carrier where the resource that scheduling request uses is sent in one up-link carrier.
Optionally, in the alternatively possible implementation of the application, above-mentioned at least two up-link carrier includes first Up-link carrier and N number of second up-link carrier, N >=1.Accidental access device provided by the embodiments of the present application further includes acquiring unit, The acquiring unit is used to obtain the signal quality of the downlink reference signal of access network equipment transmission.If the signal of downlink reference signal Quality is less than signal quality threshold, and above-mentioned at least one up-link carrier for having random access resource includes N number of second up-link carrier In M the second up-link carriers, the up-link carrier of above-mentioned initiation random access is one in M the second up-link carriers, N >=M >=1, signal quality threshold is received from access network equipment.
Optionally, in the alternatively possible implementation of the application, above-mentioned at least two up-link carrier includes first Up-link carrier and N number of second up-link carrier, N >=1.Accidental access device provided by the embodiments of the present application further includes acquiring unit, The acquiring unit is used to obtain the signal quality of the downlink reference signal of access network equipment transmission.In the signal of downlink reference signal In the case that quality is greater than or equal to signal quality threshold, above-mentioned at least one up-link carrier for having random access resource includes the One up-link carrier, the up-link carrier of above-mentioned initiation random access are the first up-link carrier；Alternatively, above-mentioned initiation random access is upper Row carrier wave is the uplink that physical uplink control channel resource is configured at least one up-link carrier for have random access resource Carrier wave；Alternatively, the up-link carrier of above-mentioned initiation random access is in above-mentioned at least one up-link carrier for having random access resource The random access resource being configured is in the time domain apart from the shortest up-link carrier of current transmission time；Alternatively, above-mentioned initiation is random The up-link carrier of access be in the case where scheduling request unsuccessfully triggers random access procedure, it is above-mentioned to have random access resource extremely The up-link carrier where the resource that scheduling request uses is sent in a few up-link carrier.
Optionally, in the alternatively possible implementation of the application, above-mentioned communication unit is also used in above-mentioned determination Before unit determines the up-link carrier for initiating random access at least one up-link carrier for having random access resource, reception is connect The third information that log equipment is sent, third information is for triggering random access procedure.
Optionally, in the alternatively possible implementation of the application, above-mentioned third information is physical down control letter Road order, physical downlink control channel commands include at least one of the 4th information and the 5th information, and the 4th information includes Access network equipment is that the scheduling information of each up-link carrier at least one up-link carrier for have random access resource is configured Search space location information, the 5th information include that access network equipment is to have at least one up-link carrier of random access resource The RNTI that each up-link carrier is configured.
Optionally, in the alternatively possible implementation of the application, above-mentioned determination unit is also used to be connect at random having After entering to determine the up-link carrier for initiating random access at least one up-link carrier of resource, determines and initiate the upper of random access The subband being currently active in row carrier wave.Correspondingly, accidental access device provided by the embodiments of the present application further includes switch unit, The switch unit will current quilt if the subband being currently active determined for above-mentioned determination unit is not default subband The subband of activation is switched to default subband.Correspondingly, above-mentioned communication unit, specifically in the up-link carrier for initiating random access Random access resource in the upper default subband switched to by above-mentioned switch unit initiates random access.
Optionally, in the alternatively possible implementation of the application, random access dress provided by the embodiments of the present application Setting further includes the first configuration unit, and first configuration unit is for configuring the first counter, and first counter is for recording weight The new number for initiating random access, or for for above-mentioned each of at least one up-link carrier for having random access resource The second counter is respectively configured in row carrier wave, which re-initiates random access for being recorded on corresponding up-link carrier Number.
Optionally, in the alternatively possible implementation of the application, random access dress provided by the embodiments of the present application Setting further includes the second configuration unit, which is used to configure third counter and the first predetermined power climbing step-length, The third counter is used to be recorded in the change frequency that power is sent when re-initiating random access, and the numerical value for sending power is based on First predetermined power climbing step-length changes, or for in above-mentioned at least one up-link carrier for having random access resource Each up-link carrier four-counter and the second predetermined power climbing step-length is respectively configured, the four-counter is for being recorded in The change frequency that power is sent when re-initiating random access on corresponding up-link carrier, the numerical value for sending power are based on and send out again The corresponding second predetermined power climbing step-length of up-link carrier that random access uses is played to change.
The third aspect provides a kind of terminal device, which includes: one or more processors, memory, communication Interface.Wherein, memory, communication interface are coupled with one or more processors；Terminal device passes through communication interface and access net Equipment communication, memory include instruction for storing computer program code, computer program code, when one or more is handled When device executes instruction, terminal device executes the random access side as described in above-mentioned first aspect and its various possible implementations Method.
Fourth aspect also provides a kind of computer readable storage medium, and finger is stored in the computer readable storage medium It enables；When it runs on the terminal device, so that terminal device executes such as above-mentioned first aspect and its various possible realization sides Accidental access method described in formula.
5th aspect, also provide a kind of computer program product comprising instruction makes when it runs on the terminal device Obtain accidental access method of the terminal device execution as described in above-mentioned first aspect and its various possible implementations.
In this application, the name of above-mentioned terminal device does not constitute restriction to equipment or functional module itself, in practical reality In existing, these equipment or functional module can occur with other titles.As long as the function of each equipment or functional module and this Shen Please be similar, belong within the scope of the claim of this application and its equivalent technologies.
Second aspect, the third aspect, fourth aspect, the 5th aspect and its specific of various implementations are retouched in the application It states, it can be with reference to the detailed description in first aspect and its various implementations；Also, second aspect, the third aspect, four directions The beneficial effect in face, the 5th aspect and its various implementations, can be with reference to having in first aspect and its various implementations Beneficial effect analysis, details are not described herein again.
6th aspect, provides a kind of accidental access method, which is applied to access network equipment or described connects Chip in log equipment.Specifically, access network equipment (or chip in access network equipment) is sent to terminal device for true There are the first information of at least one up-link carrier of random access resource, terminal device here in fixed at least two up-link carriers In connected state and it is configured with above-mentioned at least two up-link carrier；Access network equipment (or chip in access network equipment) connects The uplink for receiving initiation random access of the above-mentioned terminal device in above-mentioned at least one up-link carrier for having random access resource carries The random access request sent on wave.
The first information in the embodiment of the present application is used to determine to be had at least two up-link carriers that terminal device is configured At least one up-link carrier of random access resource, access network equipment (or chip in access network equipment) is by terminal device The first information is sent, so that the terminal device is can determine that according to the first information at least one of random access resource Row carrier wave, and then determine that the uplink that can initiate random access carries from least one up-link carrier for having random access resource Wave, to realize that the terminal device completes random access.
Optionally, in a kind of possible implementation of the application, access network equipment (or the core in access network equipment Piece) the second information for being used to indicate the up-link carrier for initiating random access is also sent to above-mentioned terminal device.
Optionally, in the alternatively possible implementation of the application, access network equipment (or the core in access network equipment Piece) third information for triggering random access procedure is also sent to above-mentioned terminal device.
Optionally, in the alternatively possible implementation of the application, above-mentioned third information is physical down control letter Road order, the physical downlink control channel commands include at least one of the 4th information and the 5th information, the 4th packet Access network equipment is included as the scheduling information institute of each up-link carrier in above-mentioned at least one up-link carrier for having random access resource The search space location information of configuration, the 5th information include that the access network equipment is above-mentioned to have random access resource at least The RNTI that each up-link carrier is configured in one up-link carrier.
7th aspect, provides a kind of accidental access device, which is access network equipment or the access net Chip in equipment.Specifically, the accidental access device includes processing unit, transmission unit and receiving unit.
The function that each unit module provided by the present application is realized is specific as follows:
Above-mentioned processing unit, for determining the first information, which is used to indicate terminal device and determines at least two There is at least one up-link carrier of random access resource in up-link carrier, which is in connected state and is configured with State at least two up-link carriers.Above-mentioned transmission unit, for sending the first letter that above-mentioned processing unit is determined to terminal device Breath, the terminal device are in connected state and are configured at least two up-link carriers, and the first information is for determining at least two There is at least one up-link carrier of random access resource in up-link carrier.Above-mentioned receiving unit exists for receiving terminal apparatus State the random access sent on the up-link carrier of the initiation random access at least one up-link carrier of random access resource Request.
Optionally, in a kind of possible implementation of the application, above-mentioned transmission unit is also used to send out to terminal device The second information is sent, which is used to indicate the up-link carrier for initiating random access.
Optionally, in the alternatively possible implementation of the application, above-mentioned transmission unit is also used to terminal device Third information is sent, the third information is for triggering random access procedure.
Optionally, in the alternatively possible implementation of the application, above-mentioned third information is physical down control letter Road order, the physical downlink control channel commands include at least one of the 4th information and the 5th information, the 4th packet The scheduling information that access network equipment is included as each up-link carrier at least one up-link carrier for having random access resource is configured Search space location information, the 5th information includes that access network equipment is at least one up-link carrier for having random access resource In the RNTI that is configured of each up-link carrier.
Eighth aspect provides a kind of access network equipment, the access network equipment include: one or more processors, memory, Communication interface.Wherein, memory, communication interface are coupled with one or more processors；Access network equipment by communication interface with Terminal equipment in communication, memory include instruction for storing computer program code, computer program code, work as one or more When processor executes instruction, access network equipment is executed random in terms of the above-mentioned 6th and its as described in various possible implementations Cut-in method.
9th aspect, also provides a kind of computer readable storage medium, finger is stored in the computer readable storage medium It enables；When it runs on access network equipment, so that access network equipment is executed as in terms of the above-mentioned 6th and its various possible realities Accidental access method described in existing mode.
Tenth aspect, also provides a kind of computer program product comprising instruction, when it runs on access network equipment, So that access network equipment is executed such as the accidental access method in terms of the above-mentioned 6th and its as described in various possible implementations.
In this application, the name of above-mentioned terminal device does not constitute restriction to equipment or functional module itself, in practical reality In existing, these equipment or functional module can occur with other titles.As long as the function of each equipment or functional module and this Shen Please be similar, belong within the scope of the claim of this application and its equivalent technologies.
The 7th aspect, eighth aspect, the 9th aspect, the tenth aspect and its specific of various implementations are retouched in the application It states, it can be with reference to the detailed description in the 6th aspect and its various implementations；Also, the 7th aspect, eighth aspect, the 9th side The beneficial effect in face, the tenth aspect and its various implementations, can be with reference to having in the 6th aspect and its various implementations Beneficial effect analysis, details are not described herein again.
These aspects or other aspects of the application in the following description can more straightforward.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of communication system provided by the embodiments of the present application；
Fig. 2 is another structural schematic diagram of communication system provided by the embodiments of the present application；
Fig. 3 is the hardware structural diagram of smart phone provided by the embodiments of the present application；
Fig. 4 is the hardware structural diagram of base station provided by the embodiments of the present application；
Fig. 5 is the flow diagram one of accidental access method provided by the embodiments of the present application；
Fig. 6 is the flow diagram two of accidental access method provided by the embodiments of the present application；
Fig. 7 is the flow diagram three of accidental access method provided by the embodiments of the present application；
Fig. 8 is the flow diagram four of accidental access method provided by the embodiments of the present application；
Fig. 9 is the flow diagram five of accidental access method provided by the embodiments of the present application；
Figure 10 is the structural schematic diagram one of accidental access device provided by the embodiments of the present application；
Figure 11 is the structural schematic diagram two of accidental access device provided by the embodiments of the present application；
Figure 12 is the structural schematic diagram three of accidental access device provided by the embodiments of the present application；
Figure 13 is the structural schematic diagram four of accidental access device provided by the embodiments of the present application；
Figure 14 is the structural schematic diagram five of accidental access device provided by the embodiments of the present application；
Figure 15 is the structural schematic diagram of access network equipment provided by the embodiments of the present application.
Specific embodiment
In the embodiment of the present application, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This Application embodiment in be described as " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport Related notion is being presented in specific ways.
Term " first " and " second " in the description and claims of this application etc. are for distinguishing different pairs As, rather than it is used for the particular order of description object.For example, the first information and the second information etc. are for distinguishing different data Block, rather than the particular order for describing data block.
In existing communication system, in order to save the power consumption of terminal device as far as possible, defined for terminal device A variety of communications status.For example, defining terminal device if terminal device and base station establish communication connection and being in connection (Connected) state (or Connected mode).If terminal device is in standby, defines terminal device and be in sky Not busy (Idle) state (or Idle mode).
It in 5G system, is communicated between base station and terminal device using high frequency resources finishing service, i.e., the two sends data and adopts Carrier wave is high frequency carrier.In general, the transmission power of terminal device is lower, in this way, in 5G system, at terminal device When cell edge region, sending signal to base station, since transmission loss is larger in transmission process and penetrates energy for high-frequency signal Power is weaker, and therefore, base station possibly can not receive the signal of terminal device transmission, and still, which can receive The signal that base station is sent by high frequency downlink.There have been uplink and downlinks to cover asymmetric problem in this way.
In order to solve the problems, such as that uplink and downlink covering is asymmetric, the terminal device in 5G system is configured in a certain cell The frequency range of one PUL and at least one SUL, SUL ownership is less than the frequency range of PUL ownership.SUL is for assisting terminal device to transmit Upstream data.Wherein, terminal device sends uplink when sending upstream data to base station using identical transmission power on PUL Transmission range when data is compared to the long transmission distance on SUL when transmission upstream data.
It should be noted that the two titles of PUL and SUL are only for distinguishing original high-frequency band uplink in the application The low frequency band up-link carrier of carrier wave and introducing, with the evolution of the communication technology, PUL and SUL this title may change, this Application embodiment does not do specific limitation herein.
In the scene that terminal device is configured with a PUL and at least one SUL in a certain cell, it is in Idle state Terminal device can be by judging the size relation between the RSRP of downlink reference signal and preset RSRP threshold value, in PUL With the up-link carrier for the initiation random access determined at least one SUL.
Illustratively, as shown in Figure 1, communication system includes base station, terminal device 1 and terminal device 2, base station is terminal Equipment 1 and terminal device 2 are provided which to service, and terminal device 1 and terminal device 2 are located in the corresponding a certain cell in the base station, It is configured with PUL and SUL and is in Idle state.If terminal device 1 determines that the RSRP of downlink reference signal is big In or be equal to preset RSRP threshold value, then show that terminal device 1 is located at the central area of the cell, terminal device 1 can be at this time PUL is selected to initiate random access.If terminal device 2 determines that the RSRP of downlink reference signal is less than preset RSRP threshold value, table Bright terminal device 2 is located at the fringe region of the cell, and terminal device 2 may be selected SUL and initiate random access.
But in the scene that terminal device is configured with a PUL and at least one SUL in a certain cell, at present There is not yet how the terminal device in connected state (Connected) determines the up-link carrier for initiating random access, to realize The method of terminal device completion random access.
In view of the above-mentioned problems, the embodiment of the present application provides a kind of accidental access method, which is applied to place In connected state and the chip or the terminal device that are configured in the terminal device of at least two up-link carriers.Terminal is set Standby (or chip in terminal device) receive access network equipment transmission for determining in above-mentioned at least two up-link carrier After the first information for having at least one up-link carrier of random access resource, at least one above-mentioned for having random access resource The up-link carrier for initiating random access is determined in row carrier wave, in this way, the terminal device (or chip in terminal device) can be Random access is initiated on the up-link carrier of above-mentioned initiation random access.
Accidental access method provided by the embodiments of the present application is suitable for communication system.The communication system can be 5G system, It is also possible to LTE system, can also be that other are configured with the communication system of at least two up-link carriers, this Shen for terminal device Please embodiment this is not especially limited.
Fig. 2 is the structural schematic diagram of communication system provided by the embodiments of the present application.Referring to fig. 2, which includes more A terminal device and access network equipment 21, can be counted between each terminal device and access network equipment 21 by radio wave According to transmission, can also be counted by visible light, laser, infrared, light quantum, power line, optical fiber, coaxial cable, copper stranded conductor etc. According to transmission.Each terminal device is configured at least two up-link carriers, for example, at least two up-link carriers include a PUL With at least one SUL.
Fig. 2 shows 6 terminal devices, this 6 terminal devices are respectively terminal device 1, terminal device 2, terminal device 3, terminal device 4, terminal device 5, terminal device 6.Terminal device 4, terminal device 5 and terminal device 6 in Fig. 2 also form One device-to-device (Device to Device, D2D) communication system, terminal device 4 and terminal device 6 pass through terminal respectively Equipment 5 is communicated with access network equipment 21.
Terminal device in the embodiment of the present application can be refer to receive access network equipment 21 send scheduling information and Indicate the wireless terminal device of information.Wireless terminal device can be directed to user and provide setting for voice and/or data connectivity It is standby, there is the handheld device of wireless connecting function or be connected to other processing equipments of radio modem.For example, should Wireless terminal device is MTU UE.
Wireless terminal device can be through wireless access network (for example, RAN, English: Radio Access Network) and one A or multiple cores net is communicated.Wireless terminal device can be mobile terminal device, as mobile phone (or be " honeycomb " Phone) and computer with mobile terminal device, be also possible to portable, pocket, hand-held, built-in computer or Vehicle-mounted mobile device, they exchange language and/or data with wireless access network, for example, mobile phone, tablet computer, notebook are electric Brain, net book, personal digital assistant (Personal Digital Assistant, PDA).The wireless terminal device can also claim For terminal device.
Illustratively, in the embodiment of the present application, terminal device shown in Fig. 2 can be smart phone, below with reference to Fig. 3 Each component parts of smart phone is specifically introduced.
As shown in figure 3, smart phone includes: processor 31, radio frequency (Radio Frequency, RF) circuit 32, power supply 33, the components such as memory 34, input unit 35, display unit 36, voicefrequency circuit 37.
It will be understood by those skilled in the art that the structure of smart phone shown in Fig. 3 is not constituted to smart phone It limits, may include the more or fewer components of component such as shown in Fig. 3, or component as shown in Figure 3 can be combined In certain components, or can be different from component layout as shown in Figure 3.
Processor 31 is the control centre of smart phone, utilizes each of various interfaces and the entire smart phone of connection Part by running or execute the software program and/or module that are stored in memory 34, and calls and is stored in memory 34 Interior data execute the various functions and processing data of smart phone, to carry out integral monitoring to smart phone.Optionally, Processor 31 may include one or more processing units.Processor 31 can integrate application processor and modem processor.Its In, the main processing operation system of application processor, user interface and application program etc.；Modem processor is mainly handled wirelessly Communication.Optionally, application processor and modem processor can be is arranged independently of each other, is also possible to be integrated in same Equipment.
RF circuit 32 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, will be under base station After row information receives, handled to processor 31；In addition, the data of uplink are sent to base station.In general, RF circuit includes but unlimited In antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), Duplexer etc..In addition, RF circuit 32 can also be communicated with network and other equipment by wireless communication.Wireless communication can be used Any communication standard or agreement, including but not limited to global system for mobile communications (Global System of Mobile Communication, GSM), general packet radio service (General Packet Radio Service, GPRS), code it is point more Location (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA), LTE, Email, short message service (Short Messaging Service, SMS) Deng.
Smart phone includes the power supply 33 (such as battery) powered to all parts, and optionally, power supply can pass through power supply Management system and processor 31 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system Etc. functions.
Memory 34 can be used for storing software program and module, and processor 31 is stored in the soft of memory 34 by operation Part program and module, thereby executing the various function application and data processing of smart phone.
Memory 34 can mainly include storing program area and storage data area, wherein storing program area can store operation system Application program needed for system, at least one function (for example initiating random access) etc.；Storage data area can be stored according to intelligent hand Machine uses created data (such as audio data, phone directory) etc..In addition, memory 34 may include high random access Memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other are volatile Property solid-state memory.
Input unit 35 can be used for receiving the number or character information of input, and generate the user setting with smart phone And the related key signals input of function control.Specifically, input unit 35 may include touch screen 351 and other input equipments 352。
Touch screen 351, also referred to as touch panel, collecting the touch operation of user on it or nearby, (for example user makes With the operation of any suitable object or attachment such as finger, stylus on touch screen 351 or near touch screen 351), and according to Preset formula drives corresponding attachment device.Optionally, touch screen 351 may include touch detecting apparatus and touch control Two parts of device.Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, it will believe Number send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact seat Mark, then gives processor 31, and can receive order that processor 31 is sent and be executed.Furthermore, it is possible to using resistance-type, electricity The multiple types such as appearance formula, infrared ray and surface acoustic wave realize touch screen 351.
Display unit 36 can be used for showing information input by user or the information and smart phone that are supplied to user Various menus.Display unit 36 may include display panel 361, optionally, can use liquid crystal display (Liquid Crystal Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-emitting Diode, OLED) it is aobvious to configure Show panel 361.
Further, touch screen 351 can cover display panel 361, when touch screen 351 detects touching on it or nearby After touching operation, processor 31 is sent to determine the type of touch event, is followed by subsequent processing device 3 according to the type of touch event aobvious Show and corresponding visual output is provided on panel 361.Although touch screen 351 and display panel 361 are only as two in Fig. 3 Vertical component realizes the function that outputs and inputs of smart phone, but in some embodiments it is possible to by touch screen 351 and aobvious Show that panel 361 is integrated and that realizes smart phone outputs and inputs function.
Voicefrequency circuit 37, loudspeaker 371 and microphone 372, for providing the audio interface between user and smart phone. Electric signal after the audio data received conversion can be transferred to loudspeaker 371, be converted by loudspeaker 371 by voicefrequency circuit 37 For voice signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 372, is connect by voicefrequency circuit 37 Audio data is converted to after receipts, then audio data is exported to RF circuit 32 to be sent to such as another smart phone, or will Audio data exports to memory 34 to be further processed.
Optionally, smart phone can also include various sensors (such as gyro sensor, humidity flowmeter sensor, infrared Line sensor or magnetometer sensor), Wi-Fi module, bluetooth module, shell etc..It is not showed that in Fig. 3.
Access network equipment 21 and each terminal equipment in communication in the embodiment of the present application.The access network equipment 21 is in having The equipment of heart control function, such as base station, hot spot (pico), transfer point (TP), relaying (Relay), access point (Access Point, AP) etc..Wherein, base station can be base station (Base Station, BS) or base station controller of wireless communication etc..
Specifically, access network equipment 21 is that one kind is deployed in wireless access network to provide wireless communication for terminal device The device of function can be attached with terminal device, and the Data Concurrent that receiving terminal apparatus is sent gives equipment of the core network.
The major function of access network equipment includes following one or more functions: carrying out management, the internet of radio resource The compression and the encryption of customer traffic, terminal device of agreement (Internet Protocol, IP) head are moved when adhering to The selection of management entity (Mobility Management Entity, MME), routing user face data to gateway (Service Gateway, SGW), the tissue of paging message and transmission, the tissue of broadcast message and transmission, with mobility or tune The configuration etc. of measurement and measurement report for the purpose of degree.
In the system using different wireless access technologys, the title of access network equipment 21 may be different.Example Such as: LTE network (or be the 4th third-generation mobile communication technology (the fourth Generation Telecommunication, 4G) system) in, the base station of the entitled evolution of access network equipment 21 (evolved NodeB, ENB or eNodeB)；In third generation mobile communications technology (the third Generation Telecommunication, 3G) system In system, the entitled base station (Node B) of access network equipment 21；In Next-Generation Wireless Communication Systems (such as 5G system), net is accessed The entitled gNB of equipment 21；In wireless local access system, the entitled access point (Access of access network equipment 21 Ponit).With the evolution of the communication technology, this title may change.In addition, access net is set in other possible situations Standby 21 can be and other provide the device of wireless communication function for terminal device.For convenience of description, in the embodiment of the present application, for eventually The device that end equipment provides wireless communication function is known as access network equipment.
Illustratively, in the embodiment of the present application, access network equipment 21 shown in Fig. 2 can be base station, below with reference to Fig. 4 Each component parts of base station is specifically introduced.
As shown in figure 4, base station includes: baseband processing unit (Base Band Unit, BBU), Remote Radio Unit (Radio Remote Unit, RRU) and antenna, can be connected between BBU and RRU with optical fiber, RRU pass through again coaxial cable and Power splitter (coupler) is connected to antenna, and a general BBU can connect multiple RRU.
RRU may include 4 modules: data intermediate frequency module, Transceiver Module, power amplifier module and filter module.Number Ifd module is used for modulation /demodulation, Digital up and down convert, the digital-to-analogue conversion etc. of optical transport；Transceiver Module completes intermediate-freuqncy signal To the transformation of radiofrequency signal；After power amplifier module amplification and filter module filtering, radiofrequency signal is emitted by antenna It goes out.
The Base-Band Processing function that BBU is used to complete Uu interface (interface i.e. between terminal device and base station) (encodes, is multiple With, modulation and spread spectrum etc.), the logic between radio network controller (Radio Network Controller, RNC) and base station The interface function of interface, signaling processing, local and remote Operation and Maintenance function and base station system Working Status Monitoring and announcement Alert information reporting function etc..
Accidental access method provided by the present application is described in detail below.
Fig. 5 is a kind of flow diagram of accidental access method provided by the embodiments of the present application, which can In application communication system shown in Fig. 2.As shown in figure 5, in accidental access method provided by the embodiments of the present application, S500 and The access network equipment 21 of S501 as shown in Figure 2 executes, and can specifically be executed by the processor in access network equipment 21.In addition, S502 It executes with the terminal device of S503 as shown in Figure 2, can specifically be executed by the processor in terminal device.In practical application, access The processor in processor and terminal device in net equipment can exist in the form of chip.Terminal in the embodiment of the present application Equipment is configured at least two up-link carriers in one cell.For ease of description, terminal involved by subsequent content Equipment is used to the terminal device for indicating to be configured at least two up-link carriers in one cell.
For ease of description, the embodiment of the present application is illustrated by taking terminal device and access network equipment as an example.
Referring to Fig. 5, which includes the following steps.
S500, access network equipment send the first information to terminal device, and the first information is for determining at least two uplinks There is at least one up-link carrier of random access resource in carrier wave.
Optionally, access network equipment is sent by wireless heterogeneous networks (Radio Resource Control, RRC) signaling The first information can also send the first information by other high-level signalings, and the embodiment of the present application is not especially limited this.
In the first implementation, the first information in the embodiment of the present application may include the time domain of random access resource The frequency domain information of information and random access resource.
In this scene, at least two up-link carriers that terminal device is configured based on it, according to random access resource Time-domain information and random access resource frequency domain information i.e. can determine that at least two up-link carriers there is random access resource Up-link carrier.
In the second implementation, the first information in the embodiment of the present application may include the time domain of random access resource The mark of certain up-link carriers in information, the frequency domain information of random access resource and at least two up-link carriers.
In this scene, certain up-link carriers at least two up-link carriers that terminal device includes according to the first information Mark can directly determine out the up-link carrier for having random access resource at least two up-link carriers.
In addition to foregoing description, the first information in the embodiment of the present application can also can be used in determining at least two for other There is at least one up-link carrier of random access resource in up-link carrier, the embodiment of the present application is not especially limited this.
S501, access network equipment send the second information to terminal device, which is used to indicate initiation random access Up-link carrier.
Specifically, access network equipment is carried according to uplink each in above-mentioned at least one up-link carrier for having random access resource The load of wave is determined to the up-link carrier for initiating random access, and sends the second information to terminal device, second letter Breath is used to indicate the up-link carrier for initiating random access.
Optionally, the second information is to initiate the number at least two up-link carriers of the up-link carrier of random access, Or other can be used in the mark that the up-link carrier of random access is initiated in expression, the embodiment of the present application is not made this specifically It limits.
In the present embodiment, access network equipment can send the second information to terminal device by RRC configuration signal, can also lead to It crosses RRC and reconfigures signaling and send the second information to terminal device, the can also be sent to terminal device by other RRC signalings Two information, the embodiment of the present application are not especially limited this.
S502, terminal device determine the up-link carrier for initiating random access according to the second information.
Optionally, in the case where the failure of the scheduling request of terminal device, or in terminal device there is no available be used for In the case where the resource of scheduling request, which triggers initiating random access procedure.
It should be noted that the terminal device in the embodiment of the present application can also trigger initiation random access in other cases Process, the embodiment of the present application are not especially limited this.
In the scene that terminal device needs to initiate random access, which need to determine to initiate the upper of random access Row carrier wave.Since the second information is used to indicate the up-link carrier of initiation random access, in this way, terminal device is receiving access net After the second information that equipment is sent, the up-link carrier for initiating random access can be directly determined out according to the second information.
S503, terminal device initiate random access on the up-link carrier for the initiation random access determined.
In S502, terminal device defines the up-link carrier for initiating random access, in this way, the terminal device directly exists Random access is initiated on the up-link carrier for the initiation random access determined.Specifically, the terminal device is in the initiation determined The random access request including leader sequence (preamble) is sent to access network equipment on the up-link carrier of random access.Accordingly , access network equipment can send corresponding random access response to terminal device.
Currently, a carrier wave is configured with four subbands, subband is also known as BWP (Bandwidth in certain documents Part).Only one subband can be activated in four subbands in the same time a, carrier wave.Subband is by a series of continuous Resource block (Resource Block, RB) or Physical Resource Block (Physical Resource Block, PRB) constitute. Provide in NR: terminal device is using the resource transmission data in the subband being currently active in carrier wave.
But the subband being currently active in carrier wave not necessarily has resource.In order to guarantee that terminal device can be successfully complete At random access, the embodiment of the present application is configured with resource in the carrier wave for having random access resource in communication system in advance BWP is referred to as default BWP.Such as: default BWP is initial BWP (Initial BWP), default is BWP (default BWP) or small The customized BWP in area (cell defining BWP).In this way, terminal device is on the up-link carrier for initiating random access by pre- If random access can be completed in the random access resource in BWP.
It should be noted that BWP is only a kind of form of expression of the title of subband.With the evolution of the communication technology, BWP's This title may change, and the embodiment of the present application is not especially limited this.
Specifically, terminal device determines the initiation random access after the up-link carrier for determining to initiate random access The subband being currently active in up-link carrier；The terminal device judges to be currently active in the up-link carrier of the initiation random access Subband whether be default subband in the up-link carrier of the initiation random access；If in the up-link carrier of the initiation random access The subband being currently active is not the default subband in the up-link carrier of the initiation random access, then the terminal device is by the initiation The subband being currently active in the up-link carrier of random access is switched to the default son in the up-link carrier of the initiation random access Band, and on the up-link carrier of the initiation random access by the default subband of the up-link carrier of the initiation random access with Machine access-in resource initiates random access；If the subband being currently active in the up-link carrier of the initiation random access be the initiation with Default subband in the up-link carrier of machine access, then the terminal device passes through the hair on the up-link carrier of the initiation random access It plays the random access resource being currently active in subband in the up-link carrier of random access and initiates random access.
Terminal device in the present embodiment determines the up-link carrier for initiating random access according to the instruction of access network equipment, And random access is initiated on the up-link carrier of the initiation random access, the flexible dispatching to random access resource is realized, is kept away The case where having exempted from communication system load imbalance.
In accidental access method provided by the present application, terminal device can be determined and be initiated according to the instruction of access network equipment The up-link carrier of random access, can also be autonomous to determine the up-link carrier for initiating random access according to demand.Reality shown in fig. 5 The instruction that example describes terminal device according to access network equipment is applied, determines the process for initiating the up-link carrier of random access.It is now right Terminal device is according to demand, autonomous to determine the process for initiating the up-link carrier of random access.
As shown in fig. 6, in accidental access method provided by the embodiments of the present application, the access network equipment of S600 as shown in Figure 2 21 execute, and can specifically be executed by the processor in access network equipment 21.In addition, the end of S601, S602 and S603 as shown in Figure 2 End equipment executes, and can specifically be executed by the processor in terminal device.
Referring to Fig. 6, accidental access method provided by the embodiments of the present application includes the following steps.
S600, access network equipment send the first information to terminal device, and the first information is for determining at least two uplinks There is at least one up-link carrier of random access resource in carrier wave.
S600 can refer to above-mentioned S500, no longer be described in detail here.
S601, terminal device according to the first information, determine above-mentioned at least one up-link carrier for having random access resource.
S602, terminal device determine in above-mentioned at least one up-link carrier for having random access resource initiates random access Up-link carrier.
Optionally, in the case where the failure of the scheduling request of terminal device, or in terminal device there is no available be used for In the case where the resource of scheduling request, which triggers initiating random access procedure.
It should be noted that the terminal device in the embodiment of the present application can also trigger initiation random access in other cases Process, the embodiment of the present application are not especially limited this.
In the scene that terminal device needs to initiate random access, which independently has random access resource above-mentioned At least one up-link carrier in determine initiate random access up-link carrier.
At least two up-link carriers include the first up-link carrier and N number of second up-link carrier, N >=1 in the embodiment of the present application. Here, the first up-link carrier can be above-mentioned PUL, and the second up-link carrier can be above-mentioned SUL.In this case, terminal is set It is standby that the side for initiating the up-link carrier of random access is independently determined in above-mentioned at least one up-link carrier for having random access resource Method can for it is following any one:
A, terminal device chooses one in M the second up-link carriers, and the second up-link carrier selected is determined as Initiate the up-link carrier of random access.
Above-mentioned at least one up-link carrier for having random access resource includes on M second in N number of second up-link carrier Row carrier wave.
B, in the case where above-mentioned at least one up-link carrier for having random access resource includes the first up-link carrier, terminal Equipment determines that first up-link carrier is the up-link carrier for initiating random access.
C, terminal device will be configured with physical uplink control in above-mentioned at least one up-link carrier for having random access resource The up-link carrier of channel resource processed is determined as initiating the up-link carrier of random access.
D, terminal device provides the random access being configured in above-mentioned at least one up-link carrier for having random access resource Source is determined as initiating the up-link carrier of random access in the time domain apart from the shortest up-link carrier of current transmission time.
Terminal device in the embodiment of the present application can be based on Transmission Time Interval (Transmission Time Interval, TTI) determine the time difference.
E, random access mistake is triggered in scheduling request failure (Scheduling Request Failure, SR Failure) In the case where journey, terminal device, which will send the scheduling request in above-mentioned at least one up-link carrier for having random access resource, to be made Up-link carrier where resource is determined as initiating the up-link carrier of random access.
S603, terminal device initiate random access on the up-link carrier for the initiation random access determined.
S603 refers to the description of above-mentioned S503, and no longer this is described in detail here.
Terminal device in the present embodiment is autonomous to determine the up-link carrier for initiating random access according to self-demand, and Random access request is initiated on the up-link carrier for the initiation random access request determined.
Other than above-mentioned accidental access method shown in fig. 6, access network equipment in the embodiment of the present application can also be to Terminal device sends signal quality threshold, in this way, terminal device can be by judging the signal quality and letter of downlink reference signal Size relation between number quality threshold, determined in above-mentioned at least one up-link carrier for having random access resource initiate it is random The up-link carrier of access.
As shown in fig. 7, in accidental access method provided by the embodiments of the present application, S700, S701 and S702 are as shown in Figure 2 Access network equipment 21 executes, and can specifically be executed by the processor in access network equipment 21.In addition, S703, S704 and S705 are by scheming Terminal device shown in 2 executes, and can specifically be executed by the processor in terminal device.
Specifically, as shown in fig. 7, accidental access method provided by the embodiments of the present application includes the following steps.
S700, access network equipment send signal quality threshold to terminal device.
Access network equipment configures signal quality threshold, and reconfigures signaling to terminal device by RRC configuration signal or RRC Send the signal quality threshold of its configuration.
Optionally, access network equipment periodically or periodically can send signal quality threshold to terminal device, can also root Signal quality threshold is determined in real time according to the load of at least two up-link carriers, and when signal quality threshold changes to terminal Signal quality threshold after equipment variations, the embodiment of the present application are not especially limited this.
Signal quality in the embodiment of the present application can be measured with RSRP, can also be measured with signal strength, other can Indicate the parameter measure of signal strength, the embodiment of the present application is not especially limited this.
S701, access network equipment send downlink reference signal to terminal device.
S702, access network equipment send the first information to terminal device, and the first information is for determining at least two uplinks There is at least one up-link carrier of random access resource in carrier wave.
S702 can refer to above-mentioned S500, no longer be described in detail here.
Access network equipment may be performed simultaneously S700, S701 and S702, can also first carry out S700, execute S701 afterwards, S702 is finally executed, the embodiment of the present application is not especially limited this.
S703, terminal device obtain the signal quality of downlink reference signal.
Specifically, terminal device after getting downlink reference signal, measures the signal quality of downlink reference signal.
Optionally, terminal device is after receiving downlink reference signal, can be with the periodic measurement downlink reference signal Signal quality can also can also have the demand for initiating random access with the signal quality of the Timing measurement downlink reference signal When measure the signal quality of the downlink reference signal, the embodiment of the present application is not especially limited this.
S704, terminal device judge whether the signal quality of downlink reference signal is greater than or equal to signal quality threshold.
Terminal device in the present embodiment is according to the size of signal quality and signal quality threshold to downlink reference signal Judging result determines the up-link carrier for initiating random access from least one up-link carrier for having random access resource.Tool Body, if the signal quality of downlink reference signal is less than signal quality threshold, terminal device executes S705；If downlink reference signal Signal quality be greater than or equal to signal quality threshold, terminal device execute S706a, or execute S706b, or execute S706c, or Execute S706d.
S705, terminal device choose one in M the second up-link carriers, and the second up-link carrier selected is determined For the up-link carrier for initiating random access.
At least one up-link carrier for having random access resource includes on M second in N number of second up-link carrier Row carrier wave.
S705 determines that the initiation up-link carrier method A of random access is identical with above-mentioned terminal device.
S706a, above-mentioned at least one up-link carrier for having random access resource include the first up-link carrier in the case where, Terminal device determines that first up-link carrier is the up-link carrier for initiating random access.
S706a determines that the initiation up-link carrier method B of random access is identical with above-mentioned terminal device.
S706b, terminal device will be configured with physically in above-mentioned at least one up-link carrier for having random access resource The up-link carrier of row control channel resource is determined as initiating the up-link carrier of random access.
S706b determines that the initiation up-link carrier method C of random access is identical with above-mentioned terminal device.
S706c, terminal device connect at random by what is be configured in above-mentioned at least one up-link carrier for having random access resource Enter resource to be determined as initiating the up-link carrier of random access in the time domain apart from the shortest up-link carrier of current transmission time.
S706c determines that the initiation up-link carrier method D of random access is identical with above-mentioned terminal device.
S706d, in the case where scheduling request unsuccessfully triggers random access procedure, terminal device has random access for above-mentioned Up-link carrier where sending the resource that the scheduling request uses at least one up-link carrier of resource be determined as initiate with The up-link carrier of machine access.
S706d determines that the initiation up-link carrier method E of random access is identical with above-mentioned terminal device.
S707, terminal device initiate random access on the up-link carrier for the initiation random access determined.
S707 refers to above-mentioned S503, is no longer described in detail here.
It can be seen that the terminal device in the embodiment of the present application from the embodiment shown in Fig. 6 and the embodiment shown in Fig. 7 Different modes can be used, the up-link carrier of random access is initiated in flexible selection, and in the initiation random access determined Random access is initiated on up-link carrier.
Above-mentioned Fig. 5, Fig. 6 and embodiment shown in Fig. 7 are terminal device after having the demand for initiating random access, The terminal device determines the up-link carrier for initiating random access.That is, above-mentioned Fig. 5, Fig. 6 and embodiment shown in Fig. 7, It is terminal device itself triggering random access procedure.Accidental access method provided by the embodiments of the present application, in addition to terminal device Itself triggering random access procedure except, can also for access network equipment to terminal device send relevant information, for trigger with Machine access procedure.
As shown in figure 8, in accidental access method provided by the embodiments of the present application, the access of S800 and S801 as shown in Figure 2 Net equipment 21 executes, and can specifically be executed by the processor in access network equipment 21.In addition, the end of S802 and S803 as shown in Figure 2 End equipment executes, and can specifically be executed by the processor in terminal device.
Specifically, as shown in figure 8, accidental access method provided by the embodiments of the present application includes the following steps.
S800, access network equipment send the first information to terminal device, and the first information is for determining at least two uplinks There is at least one up-link carrier of random access resource in carrier wave.
S800 can refer to above-mentioned S500, no longer be described in detail here.
S801, access network equipment send third information to terminal device, and the third information is for triggering random access procedure.
Optionally, third information can be RRC signaling, or physical downlink control channel commands (such as PDCCH Order), the embodiment of the present application is not especially limited this.
In the scene that third information is physical downlink control channel commands, which includes the At least one of four information and the 5th information.Wherein, it is above-mentioned to have random access resource that the 4th information, which includes access network equipment, At least one up-link carrier in each up-link carrier the search space location information that is configured of scheduling information, here, uplink The search space location information of the scheduling information of carrier wave can be the initial position of the search space of the scheduling information of up-link carrier Information.5th information includes that access network equipment is that each uplink carries in above-mentioned at least one up-link carrier for having random access resource The RNTI that wave is configured.
S802, terminal device determine in above-mentioned at least one up-link carrier for having random access resource initiates random access Up-link carrier.
If third information in S801 is RRC signaling, terminal device can be used determined in embodiment illustrated in fig. 6 initiate with The method of the up-link carrier of machine access determines the up-link carrier for initiating random access, the i.e. description herein with reference to above-mentioned S602.
If third information in S801 is physical downlink control channel commands, when physical downlink control channel commands include the When four information, terminal device obtains certain in the random access resource corresponding to the search space initial position that the 4th information indicates The corresponding Downlink Control Information of one up-link carrier (Downlink Control Information, DCI).In this way, terminal device The uplink that up-link carrier corresponding with the search space position where the DCI got can be determined as to initiating random access carries Wave.
If third information in S801 is physical downlink control channel commands, when physical downlink control channel commands include the When five information, terminal device is decoded the DCI in random access resource according to the 5th information, in this way, the terminal device energy Enough obtain the corresponding DCI of a certain up-link carrier.A DCI is successfully decoded out in use RNTI corresponding with a certain up-link carrier Afterwards, up-link carrier corresponding with the RNTI that uses of decoding can be determined as initiating the up-link carrier of random access by terminal device.
S803, in response to third information, terminal device initiated on the up-link carrier for the initiation random access determined with Machine access.
Since third information is that random access is initiated in access network equipment triggering, after receiving third information, terminal Equipment responds the third information, initiates random access on the up-link carrier for the initiation random access determined.
S803 can refer to the description of above-mentioned S503.Unlike, above-mentioned S503 is the random of terminal device itself triggering Access, and S803 is the random access that access network equipment passes through that signaling instruction terminal equipment triggers.
Optionally, it in embodiment shown in Fig. 8, is accessed before the up-link carrier for initiating random access is determined in terminal device Net equipment can also send the second information for being used to indicate the up-link carrier for initiating random access to terminal device, in this way, terminal Equipment can directly determine out the up-link carrier for initiating random access according to the second information.
In conjunction with Fig. 8, as shown in figure 9, accidental access method provided by the embodiments of the present application further includes as follows before S802 Step.
S804 (optional), access network equipment send the second information to terminal device, which is used to indicate initiation The up-link carrier of random access.
S804 can refer to the description of above-mentioned S501, no longer be described in detail here.
Since the second information is used to indicate the up-link carrier of initiation random access in S804, implementation shown in Fig. 9 Example S802 in, terminal device directly according to the second information determine initiate random access up-link carrier, i.e., with above-mentioned S502 phase Together, it is no longer described in detail here.
Since S804 is optionally, to be represented by dashed line in Fig. 9.
In conclusion the terminal device in the embodiment of the present application can both be triggered according to the instruction of access network equipment and be connect at random Enter, random access can also be triggered according to self-demand.Meanwhile the terminal device can both be determined according to the instruction of access network equipment and be sent out The up-link carrier for playing random access can also independently determine the up-link carrier for initiating random access, effectively raise random access Success rate, saved overhead, realized the equilibrium loaded in system.
The various embodiments described above describe the process that terminal device initiates random access.In practical application, terminal device hair After playing random access, there can be the possibility of random access failure.In the scene of random access failure, in the embodiment of the present application Terminal device can re-initiate random access.
Optionally, the terminal device in the embodiment of the present application can be configured with the first counter, which is used for Record terminal device re-initiates the number of random access.
Specifically, when the random access procedure that terminal device is initiated on the up-link carrier of above-mentioned initiation random access fails Afterwards, terminal device re-initiates random access, and the numerical value of the first counter adds one, until the numerical value of the first counter reach this The max-thresholds of one counter.
It should be noted that terminal device re-initiates the up-link carrier and last hair of random access use in the application Playing the up-link carrier that random access uses may be the same or different.Terminal device re-initiates the upper of random access use Row carrier wave can the method according to shown in any embodiment in above-mentioned Fig. 5~Fig. 9 determine that the embodiment of the present application do not make this specifically It limits.
Optionally, each uplink in the embodiment of the present application in above-mentioned at least one up-link carrier for having random access resource Carrier wave is each configured with the second counter, and here, the second counter is for recording terminal device on corresponding up-link carrier again Initiate the number of random access.
Specifically, in the first implementation, when terminal device is sent out on the up-link carrier of above-mentioned initiation random access After the random access procedure failure risen, terminal device initiates random access on the up-link carrier of the initiation random access again, The numerical value of the second counter corresponding with the up-link carrier of the initiation random access adds one, until upper with the initiation random access The numerical value of corresponding second counter of row carrier wave reaches the max-thresholds of second counter.
It in the second implementation, is the scene that access network equipment is specified in the up-link carrier of above-mentioned initiation random access In, after the random access procedure failure that terminal device is initiated on the up-link carrier of above-mentioned initiation random access, terminal device Again random access is initiated on the up-link carrier of the initiation random access, at this point, the up-link carrier with the initiation random access The numerical value of corresponding second counter adds one, until the number of the second counter corresponding with the up-link carrier of the initiation random access Value reaches the max-thresholds of second counter.
In the third implementation, when terminal device initiated on the up-link carrier of above-mentioned initiation random access it is random After access procedure failure, terminal device is initiating random access again, at this point, re-initiating the upper of random access with terminal device The numerical value of corresponding second counter of row carrier wave adds one.Each second counter is provided with a max-thresholds, connects at random when having The numerical value for entering the second counter of each up-link carrier at least one up-link carrier of resource reaches respective max-thresholds When, the number that terminal device initiates random access reaches maximum value.Here, the max-thresholds of each second counter can phase Together, it can also be different, the embodiment of the present application is not especially limited this.
Optionally, the terminal equipment configuration in the embodiment of the present application has the first counter, and above-mentioned has random access money Each up-link carrier at least one up-link carrier in source is each configured with the second counter, and the first counter is for recording end End equipment re-initiates the number of random access, and the second counter is sent out on corresponding up-link carrier again for recording terminal device Play the number of random access.
Specifically, in the first implementation, when terminal device is sent out on the up-link carrier of above-mentioned initiation random access After the random access procedure failure risen, terminal device initiates random access on the up-link carrier of the initiation random access again, At this point, the numerical value of the first counter adds one, and the numerical value of the second counter corresponding with the up-link carrier of the initiation random access Add one.First counter is provided with the first max-thresholds, and corresponding second counter of the up-link carrier of the initiation random access is set The second max-thresholds are equipped with, when the numerical value of the first counter reaches the first max-thresholds and/or upper with the initiation random access When the numerical value of corresponding second counter of row carrier wave reaches the second max-thresholds, the number that terminal device initiates random access reaches Maximum value.
It in the second implementation, is the scene that access network equipment is specified in the up-link carrier of above-mentioned initiation random access In, after the random access procedure failure that terminal device is initiated on the up-link carrier of above-mentioned initiation random access, terminal device Again initiate random access on the up-link carrier of the initiation random access, at this point, the numerical value of the first counter adds one, and with this The numerical value for initiating corresponding second counter of up-link carrier of random access adds one.First counter is provided with the first maximum threshold Value, corresponding second counter of the up-link carrier of the initiation random access is provided with the second max-thresholds, when the first counter Numerical value reaches the first max-thresholds and/or the numerical value of the second counter corresponding with the up-link carrier of the initiation random access reaches When the second max-thresholds, the number that terminal device initiates random access reaches maximum value.
It should be noted that foregoing description is only to re-initiate random access to terminal device in the embodiment of the present application For example, being not the restriction for re-initiating random access to terminal device in the embodiment of the present application.Certainly, the application is implemented During terminal device re-initiates random access in example, which can also determine whether also need according to other modes Re-initiate random access.
Terminal device in the embodiment of the present application is during re-initiating random access, the transmission function of the terminal device Rate can change.
Optionally, the terminal device in the embodiment of the present application can be configured by third counter and the climbing of the first predetermined power Step-length, the third counter are used to be recorded in the change frequency that power is sent when terminal device re-initiates random access, terminal The numerical value of the transmission power of equipment is based on the first predetermined power climbing step-length and changes.
Specifically, in the first implementation, when terminal device re-initiates random access, the number of third counter Value plus one, the transmission power of the terminal device is according to the first predetermined power climbing step change.Third counter is provided with maximum Threshold value, after the numerical value of third counter reaches the max-thresholds, the transmission power of terminal device is no longer changed.Assuming that the When the numerical value of three counters is max-thresholds, the transmission power of terminal device is the first transmission power.In the number of third counter After value reaches the max-thresholds, if terminal device also re-initiates random access, which sends power according to first Initiate random access.
In the second implementation, when terminal device re-initiates random access, and random access use is re-initiated Up-link carrier with it is last initiate up-link carrier that random access uses it is identical when, the numerical value of third counter adds one, the end The transmission power of end equipment is according to the first predetermined power climbing step change.Third counter is provided with max-thresholds, works as third After the numerical value of counter reaches the max-thresholds, the transmission power of terminal device is no longer changed.Assuming that third counter When numerical value is max-thresholds, the transmission power of terminal device is the first transmission power.Reach this most in the numerical value of third counter After big threshold value, if terminal device also re-initiates random access, which connects at random according to the first transmission power initiation Enter.
Optionally, each uplink in the embodiment of the present application in above-mentioned at least one up-link carrier for having random access resource Carrier wave is configured with four-counter and the second predetermined power climbing step-length respectively, and the four-counter is for recording terminal device The change frequency of power, the numerical value of the transmission power of terminal device are sent when re-initiating random access on corresponding up-link carrier It is changed based on the second predetermined power climbing step-length corresponding with the up-link carrier for re-initiating random access use.
Wherein, each up-link carrier in above-mentioned at least one up-link carrier for having random access resource be configured second Predetermined power climbing step-length may be the same or different, and the embodiment of the present application is not especially limited this.
Specifically, re-initiate random access when terminal device, and re-initiate the up-link carrier of random access use with When the up-link carrier that last time initiation random access uses is identical, the numerical value of four-counter adds one, the transmission of the terminal device Power is according to the second predetermined power corresponding with up-link carrier climbing step change.Four-counter is provided with max-thresholds, After the numerical value of four-counter reaches the max-thresholds, the transmission power of terminal device is no longer changed.Assuming that the 4th meter When the numerical value of number device is max-thresholds, the transmission power of terminal device is the second transmission power.It is reached in the numerical value of four-counter To after the max-thresholds, if terminal device also initiates random access on the up-link carrier again, the terminal device is according to Two, which send power, initiates random access.
In conclusion the terminal device in the embodiment of the present application is receiving the above-mentioned for determining of access network equipment transmission After the first information for having at least one up-link carrier of random access resource at least two up-link carriers, it is above-mentioned have connect at random Enter the up-link carrier for determining at least one up-link carrier of resource and initiating random access, in this way, the terminal device can be upper It states and initiates random access on the up-link carrier for initiating random access.
The embodiment of the present application provides a kind of accidental access device 100, which can be for applied to being in Connected state and the chip being configured in the terminal device of at least two up-link carriers or the terminal device.This connects at random Enter device 100 for executing step performed by the terminal device in the above accidental access method.It is provided by the embodiments of the present application Accidental access device 100 may include module corresponding to corresponding steps.
The embodiment of the present application can carry out the division of functional module according to above method example to accidental access device 100, For example, each functional module of each function division can be corresponded to, two or more functions can also be integrated in one In processing module.Above-mentioned integrated module both can take the form of hardware realization, can also use the shape of software function module Formula is realized.It is schematical, only a kind of logical function partition to the division of module in the embodiment of the present application, in actual implementation There may be another division manner.
In the case where each function division of use correspondence each functional module, Figure 10 shows accidental access device 100 A kind of possible structural schematic diagram.As shown in Figure 10, accidental access device 100 includes communication unit 10 and determination unit 11.It is logical S500, S501 and S503 that letter unit 10 is used to that the accidental access device 100 to be supported to execute in embodiment illustrated in fig. 5, shown in Fig. 6 S600 and S603 in embodiment, S700, S701, S702 and S707 in embodiment illustrated in fig. 7, in embodiment illustrated in fig. 8 S800, S801 and S803, the S804 in embodiment illustrated in fig. 9, and/or other processes for techniques described herein；Really Order member 71 is for supporting the accidental access device 100 to execute the S502 in embodiment illustrated in fig. 5, in embodiment illustrated in fig. 6 S601 and S602, S705, S706a, S706b, S706c and S706d in embodiment illustrated in fig. 7, in Fig. 8 illustrated embodiment S802, and/or other processes for techniques described herein.Wherein, the institute for each step that above method embodiment is related to The function description of corresponding function module can be quoted by having related content, and details are not described herein.
In addition, in conjunction with Figure 10, as shown in figure 11, accidental access device 100 further include acquiring unit 12, switch unit 13, First configuration unit 14 and the second configuration unit 15.Acquiring unit 12 is for supporting the accidental access device 100 to execute shown in Fig. 7 S703 in embodiment, and/or other processes for techniques described herein；Switch unit 13 is for supporting this to connect at random Enter device 100 and is switched to default subband, and/or other processes for techniques described herein from subband is currently active； First configuration unit 14 is used to that the accidental access device 100 to be supported to configure the first counter/second counter, and/or is used for this Other processes of technology described in text；Second configuration unit 15 is for supporting the accidental access device 100 configuration third to count Device/four-counter, and/or other processes for techniques described herein.Certainly, it is provided by the embodiments of the present application with Machine access device 100 includes but is not limited to above-mentioned module, such as accidental access device 100 can also include storage unit.Storage Unit can be used for storing the program code of the accidental access device 100.
Using integrated unit, Figure 12 shows accidental access device involved in above-described embodiment A kind of 100 possible structural schematic diagram.
As shown in figure 12, which includes: processing module 1001 and communication module 1002.Processing module 1001 for carrying out control management to the movement of the accidental access device 100, for example, processing module 1001 for support this with Machine access device 100 execute above method embodiment in S502, S601, S602, S705, S706a, S706b, S706c, S706d and S802.Communication module 1002 is for supporting the accidental access device 100 to communicate with access network equipment, for example, logical Letter module 1002 be used for support the accidental access device 100 execute above method embodiment in S500, S501, S503, S600, S603, S700, S701, S702, S707, S800, S801, S803 and S804.The accidental access device 100 can also include depositing Module 1003 is stored up, can be used for storing the program code and data of the accidental access device 100.
When random access net equipment 100 is the terminal device shown in above-mentioned Fig. 2 and Fig. 3, then above-mentioned processing module 1001 can To be the processor 31 in Fig. 3, communication module 1002 can be the antenna in Fig. 3, and memory module 1003 can be depositing in Fig. 3 Reservoir 34.
The embodiment of the present application also provides a kind of terminal device 110, which is in connected state and is configured with At least two up-link carriers.The terminal device 110 includes above-mentioned accidental access device 100.
When terminal device 110 is run, which executes implements as shown in any embodiment in Fig. 5~Fig. 9 The accidental access method of example.Accidental access method can be found in the above-mentioned associated description such as any embodiment in Fig. 5~Fig. 9, herein It repeats no more.
Another embodiment of the application also provides a kind of computer readable storage medium, deposits in the computer readable storage medium Instruction is contained, when instruction is run on terminal device 110, which is executed such as any embodiment in Fig. 5~Fig. 9 Shown in embodiment accidental access method in terminal device the step of.
In another embodiment of the application, a kind of computer program product is also provided, which includes Computer executed instructions, the computer executed instructions store in a computer-readable storage medium；At least the one of terminal device 110 A processor can read the computer executed instructions from computer readable storage medium, at least one processor executes the calculating Machine executes instruction so that terminal device 110 is implemented to execute the end in Fig. 5~Fig. 9 in accidental access method shown in any embodiment The step of end equipment.
The embodiment of the present application provides a kind of accidental access device 200, which can be access network equipment Or the chip in the access network equipment.The accidental access device 200 is used to execute the access net in the above accidental access method Step performed by equipment.Accidental access device 200 provided by the embodiments of the present application may include mould corresponding to corresponding steps Block.
The embodiment of the present application can carry out the division of functional module according to above method example to accidental access device 200, For example, each functional module of each function division can be corresponded to, two or more functions can also be integrated in one In processing module.Above-mentioned integrated module both can take the form of hardware realization, can also use the shape of software function module Formula is realized.It is schematical, only a kind of logical function partition to the division of module in the embodiment of the present application, in actual implementation There may be another division manner.
In the case where each function division of use correspondence each functional module, Figure 13 shows in the present embodiment and connects at random Enter a kind of possible structural schematic diagram of device 200.As shown in figure 13, accidental access device 200 includes processing unit 210, hair Send unit 211 and receiving unit 212.Processing unit 210 for support the accidental access device 200 determine the first information, and/ Or other processes for techniques described herein；Transmission unit 211 is for supporting the accidental access device 200 to execute Fig. 5 S500 and S501 in illustrated embodiment, the S600 in embodiment illustrated in fig. 6, S700, S701 in embodiment illustrated in fig. 7 and S702, S800 and S801 in embodiment illustrated in fig. 8, the S804 in embodiment illustrated in fig. 9, and/or for described herein Other processes of technology；The random access that receiving unit 212 is used to that 200 receiving terminal apparatus of accidental access device to be supported to send is asked It asks, and/or for other processes of techniques described herein.Wherein, each step that above method embodiment is related to owns Related content can quote the function description of corresponding function module, and details are not described herein.Certainly, the embodiment of the present application provides Accidental access device 200 include but is not limited to above-mentioned module, such as accidental access device 200 can also include storage unit 213.Storage unit 213 can be used for storing the program code and data of the accidental access device 200.
Using integrated unit, Figure 14 shows accidental access device involved in above-described embodiment A kind of 200 possible structural schematic diagram.
As shown in figure 14, which includes: processing module 220 and communication module 221.Processing module 220 Control management is carried out for the movement to the accidental access device 200, for example, processing module 220 is for supporting the random access Device 200 executes the S103 in above method embodiment, and/or other processes for techniques described herein.Communicate mould Block 221 is for supporting the accidental access device 200 and terminal equipment in communication, for example, communication module 221 is for supporting that this is random Access device 200 executes the S100 and S102 in above method embodiment.The accidental access device 200 can also include storage mould Block 222 can be used for storing the program code and data of the accidental access device 200.
Wherein, processing module 220 can be processor or controller, such as can be central processing unit (Central Processing Unit, CPU), digital signal processor (Digital Signal Processor, DSP).It may be implemented Or it executes and combines various illustrative logic blocks, module and circuit described in disclosure of the embodiment of the present invention.Communicate mould Block 221 can be communication interface, transmission circuit or communication interface etc..Memory module 222 can be memory.
The embodiment of the present application also provides a kind of access network equipment 300, which fills including above-mentioned random access Set 200.As shown in figure 15, which includes: communication interface 230, processor 231 and memory 232.Wherein, lead to It is connected between letter interface 230, processor 231 and memory 232 by system bus 233, and completes communication each other.
When access network equipment 300 is run, which executes the embodiment as shown in the either figure of Fig. 5~9 Accidental access method.Specific accidental access method can be found in the phase in the above-mentioned embodiment as shown in the either figure of Fig. 5~9 Description is closed, details are not described herein again.
Wherein, communication interface 230 is used for other equipment or communication, such as Ethernet, WLAN etc..
Wherein, memory 232 is stored in for storing software program and application module, processor 231 by operation The software program and application module of reservoir 232, at the various function application and data of access network equipment 300 Reason.
Memory 232 can mainly include storing program area 2320, wherein storing program area 2320 can storage program area, Application program needed at least one function, for example send instruction information etc..
Wherein, memory 232 can be read-only memory (Read-only Memory, ROM), or can store static information With the other kinds of static storage device of instruction, random access memory (Random Access Memory, RAM) or can The other kinds of dynamic memory for storing information and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), magnetic disk storage medium or Other magnetic storage apparatus or can be used in carry or store have instruction or data structure form desired program code simultaneously Any other medium that can be accessed by terminal device, but not limited to this.
Memory 232, which can be, to be individually present, and is connected by system bus 233 with processor 231.Memory 232 It can be integrated with processor 231.
Processor 231 is the control centre of access network equipment 300.Processor 231 is whole using various interfaces and connection The various pieces of a access network equipment 300, by running or executing the software program and/or application that are stored in memory 232 Module, and the data being stored in memory 232 are called, the various functions and processing data of access network equipment 300 are executed, from And integral monitoring is carried out to access network equipment 300.
In the concrete realization, as one embodiment, processor 231 may include one or more CPU, such as in Figure 15 Processor 231 include CPU 0 and CPU 1.
System bus 233 can be divided into address bus, data/address bus, control bus etc..In order to clear in the embodiment of the present invention Various buses are all illustrated as system bus 233 in Figure 15 by Chu's explanation.
Another embodiment of the application also provides a kind of computer readable storage medium, which includes One or more program codes, the one or more program include instruction, when the processor in access network equipment 300 should in execution When program code, which executes the accidental access method as shown in the either figure of Fig. 5~9.
In another embodiment of the application, a kind of computer program product is also provided, which includes Computer executed instructions, the computer executed instructions store in a computer-readable storage medium；Access network equipment 300 is at least One processor can read the computer executed instructions from computer readable storage medium, at least one processor executes the meter Calculation machine executes instruction so that access network equipment 300 is implemented to execute the access in accidental access method shown in the either figure of Fig. 5~9 The step of net equipment.
The first information in the embodiment of the present application is used to determine to be had at least two up-link carriers that terminal device is configured At least one up-link carrier of random access resource connects at random in this way, terminal device can determine that according to the first information Enter at least one up-link carrier of resource, and then determines to initiate from least one up-link carrier for having random access resource The up-link carrier of random access, to realize that the terminal device completes random access.
In the above-described embodiments, all or part of can be come in fact by software, hardware, firmware or any combination thereof It is existing.When being realized using software program, can entirely or partly occur in the form of a computer program product.Computer program Product includes one or more computer instructions.It is all or part of when loading on computers and executing computer program instructions Ground generates the process or function according to the embodiment of the present application.Computer can be general purpose computer, special purpose computer, computer network Network or other programmable devices.Computer instruction may be stored in a computer readable storage medium, or calculate from one Machine readable storage medium storing program for executing is transmitted to another computer readable storage medium, for example, computer instruction can be from website station Point, computer, server or data center pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode is transmitted to another web-site, computer, server or data center.Computer Readable storage medium storing program for executing can be any usable medium or include one or more usable medium collection that computer can access At the data terminal equipments such as server, data center.The usable medium can be magnetic medium, (for example, floppy disk, hard disk, magnetic Band), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk Solid State Disk (SSD)) etc..
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete All or part of function described above.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the module or unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It may be combined or can be integrated into another device, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown can be a physical unit or multiple physical units, it can and it is in one place, or may be distributed over Multiple and different places.Some or all of unit therein can be selected to realize this embodiment scheme according to the actual needs Purpose.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a read/write memory medium.Based on this understanding, the technical solution of the embodiment of the present application is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that an equipment (can be list Piece machine, chip etc.) or processor (processor) execute each embodiment the method for the application all or part of the steps. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), arbitrary access are deposited The various media that can store program code such as reservoir (Random Access Memory, RAM), magnetic or disk.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Change or replacement within the technical scope of the present application should all be covered within the scope of protection of this application.Therefore, this Shen Protection scope please should be based on the protection scope of the described claims.

Claims (28)

1. a kind of accidental access method, which is characterized in that applied in connected state and being configured at least two up-link carriers Terminal device in chip or the terminal device, the accidental access method includes:
The first information that access network equipment is sent is received, the first information is for determining have at least two up-link carrier At least one up-link carrier of random access resource；
The up-link carrier for initiating random access is determined in described at least one up-link carrier for having random access resource；
Random access is initiated on the up-link carrier for initiating random access.
2. accidental access method according to claim 1, which is characterized in that described to have random access resource extremely described The up-link carrier for initiating random access is determined in a few up-link carrier, is specifically included:
The second information that the access network equipment is sent is received, second information is used to indicate the upper of the initiation random access Row carrier wave；
According to second information, the up-link carrier for initiating random access is determined.
3. accidental access method according to claim 1, which is characterized in that at least two up-link carrier includes first Up-link carrier and N number of second up-link carrier, N >=1；
Described at least one up-link carrier for having random access resource includes on M second in N number of second up-link carrier Row carrier wave, the up-link carrier of the initiation random access are one in the M the second up-link carriers, N >=M >=1,
Alternatively,
Described at least one up-link carrier for having random access resource includes first up-link carrier, the initiation random access Up-link carrier be first up-link carrier,
Alternatively,
The up-link carrier for initiating random access is to be configured in described at least one up-link carrier for having random access resource There is the up-link carrier of physical uplink control channel resource,
Alternatively,
The up-link carrier for initiating random access is to be configured in described at least one up-link carrier for having random access resource Random access resource in the time domain apart from the shortest up-link carrier of current transmission time,
Alternatively,
The up-link carrier for initiating random access are as follows: described in the case where scheduling request unsuccessfully triggers random access procedure The up-link carrier where the resource that the scheduling request uses is sent at least one up-link carrier for having random access resource.
4. accidental access method according to claim 1, which is characterized in that at least two up-link carrier includes first Up-link carrier and N number of second up-link carrier, N >=1, the accidental access method further include: obtain the access network equipment and send Downlink reference signal signal quality；
Wherein, described to have random access resource extremely if the signal quality of the downlink reference signal is less than signal quality threshold A few up-link carrier includes M the second up-link carriers in N number of second up-link carrier, described to initiate the upper of random access Row carrier wave is one in the M the second up-link carriers, and N >=M >=1, the signal quality threshold is received from the access Net equipment.
5. accidental access method according to claim 1, which is characterized in that at least two up-link carrier includes first Up-link carrier and N number of second up-link carrier, N >=1, the accidental access method further include: obtain the access network equipment and send Downlink reference signal signal quality；
Wherein, if the signal quality of the downlink reference signal is greater than or equal to the signal quality threshold；
Described at least one up-link carrier for having random access resource includes first up-link carrier, the initiation random access Up-link carrier be first up-link carrier,
Alternatively,
The up-link carrier for initiating random access is to be configured in described at least one up-link carrier for having random access resource There is the up-link carrier of physical uplink control channel resource,
Alternatively,
The up-link carrier for initiating random access is to be configured in described at least one up-link carrier for having random access resource Random access resource in the time domain apart from the shortest up-link carrier of current transmission time,
Alternatively,
The up-link carrier for initiating random access are as follows: described in the case where scheduling request unsuccessfully triggers random access procedure The up-link carrier where the resource that the scheduling request uses is sent at least one up-link carrier for having random access resource.
6. accidental access method described in any one of -5 according to claim 1, which is characterized in that described to have at random described Before determining the up-link carrier for initiating random access at least one up-link carrier of access-in resource, the accidental access method is also Include:
The third information that the access network equipment is sent is received, the third information is for triggering random access procedure.
7. accidental access method according to claim 6, which is characterized in that the third information is physical down control letter Road order, the physical downlink control channel commands include at least one of the 4th information and the 5th information, the 4th letter Breath includes that the access network equipment is the tune for having each up-link carrier at least one up-link carrier of random access resource The search space location information that degree information is configured, the 5th information include having random access described in the access network equipment is The radio network temporary identifier RNTI that each up-link carrier is configured at least one up-link carrier of resource.
8. accidental access method according to any one of claims 1-7, which is characterized in that described to have at random described After determining the up-link carrier for initiating random access at least one up-link carrier of access-in resource, the accidental access method is also Include:
Determine the subband being currently active in the up-link carrier for initiating random access；
If the subband being currently active is not default subband, the subband being currently active is switched to described default Subband；
It is described to initiate random access on the up-link carrier for initiating random access, it specifically includes:
It is connect at random on the up-link carrier for initiating random access by the random access resource initiation in the default subband Enter.
9. accidental access method described in any one of -8 according to claim 1, which is characterized in that the accidental access method Further include:
The first counter is configured, first counter is for recording the number for re-initiating random access；
Alternatively,
The second counter is respectively configured for each up-link carrier in described at least one up-link carrier for having random access resource, Second counter is for being recorded in the number for re-initiating random access on corresponding up-link carrier.
10. accidental access method described in any one of -9 according to claim 1, which is characterized in that the random access side Method further include:
Third counter and the first predetermined power climbing step-length are configured, the third counter re-initiates at random for being recorded in The change frequency of power is sent when access, the numerical value for sending power is based on first predetermined power climbing step-length and becomes Change；
Alternatively,
Four-counter is respectively configured for each up-link carrier in described at least one up-link carrier for having random access resource With the second predetermined power climbing step-length, the four-counter re-initiates random access for being recorded on corresponding up-link carrier When send power change frequency, it is described send power numerical value based on re-initiate random access use up-link carrier pair The the second predetermined power climbing step-length answered changes.
11. a kind of accidental access method, which is characterized in that applied to the chip in access network equipment or the access network equipment, Include:
The first information is sent to terminal device, the terminal device is in connected state and is configured at least two up-link carriers, The first information is for determining at least one up-link carrier for having random access resource at least two up-link carrier；
Receive initiation random access of the terminal device in described at least one up-link carrier for having random access resource The random access request sent on up-link carrier.
12. accidental access method according to claim 11, which is characterized in that the accidental access method further include:
The second information is sent to the terminal device, second information is used to indicate the uplink for initiating random access and carries Wave.
13. accidental access method according to claim 11 or 12, which is characterized in that the accidental access method also wraps It includes:
Third information is sent to the terminal device, the third information is for triggering random access procedure.
14. accidental access method according to claim 13, which is characterized in that the third information is physical down control Channel command, the physical downlink control channel commands include at least one of the 4th information and the 5th information, and the described 4th Information includes having each up-link carrier at least one up-link carrier of random access resource described in the access network equipment is The search space location information that scheduling information is configured, the 5th information include having to connect at random described in the access network equipment is Enter the radio network temporary identifier RNTI that each up-link carrier at least one up-link carrier of resource is configured.
15. a kind of accidental access device, which is characterized in that the accidental access device is applied in connected state and being matched The chip or the terminal device being equipped in the terminal device of at least two up-link carriers, the accidental access device include:
Communication unit, for receiving the first information of access network equipment transmission, the first information is for determining described at least two There is at least one up-link carrier of random access resource in a up-link carrier；
Determination unit, the first information for being received according to the communication unit, determine described in have random access resource At least one up-link carrier, and in described at least one up-link carrier for having random access resource determine initiate with The up-link carrier of machine access；
The communication unit is also used to initiate on the up-link carrier for the initiation random access that the determination unit is determined Random access.
16. accidental access device according to claim 15, which is characterized in that
The communication unit, is also used to receive the second information that the access network equipment is sent, and second information is used to indicate The up-link carrier for initiating random access；
The determination unit, specifically for second information received according to the receiving unit, determine it is described initiate with The up-link carrier of machine access.
17. accidental access device according to claim 15, which is characterized in that at least two up-link carrier includes the One up-link carrier and N number of second up-link carrier, N >=1；
Described at least one up-link carrier for having random access resource includes on M second in N number of second up-link carrier Row carrier wave, the up-link carrier of the initiation random access are one in the M the second up-link carriers, N >=M >=1,
Alternatively,
Described at least one up-link carrier for having random access resource includes first up-link carrier, the initiation random access Up-link carrier be first up-link carrier,
Alternatively,
The up-link carrier for initiating random access is to be configured in described at least one up-link carrier for having random access resource There is the up-link carrier of physical uplink control channel resource,
Alternatively,
The up-link carrier for initiating random access is to be configured in described at least one up-link carrier for having random access resource Random access resource in the time domain apart from the shortest up-link carrier of current transmission time,
Alternatively,
The up-link carrier for initiating random access are as follows: described in the case where scheduling request unsuccessfully triggers random access procedure The up-link carrier where the resource that the scheduling request uses is sent at least one up-link carrier for having random access resource.
18. accidental access device according to claim 15, which is characterized in that at least two up-link carrier includes the One up-link carrier and N number of second up-link carrier, N >=1, the accidental access device further include acquiring unit；
The acquiring unit, for obtaining the signal quality for the downlink reference signal that the access network equipment is sent；
Wherein, described to have random access resource extremely if the signal quality of the downlink reference signal is less than signal quality threshold A few up-link carrier includes M the second up-link carriers in N number of second up-link carrier, described to initiate the upper of random access Row carrier wave is one in the M the second up-link carriers, and N >=M >=1, the signal quality threshold is received from the access Net equipment.
19. accidental access device according to claim 15, which is characterized in that at least two up-link carrier includes the One up-link carrier and N number of second up-link carrier, N >=1, the accidental access device further include acquiring unit；
The acquiring unit, for obtaining the signal quality for the downlink reference signal that the access network equipment is sent；
If the signal quality of the downlink reference signal is greater than or equal to the signal quality threshold；
Described at least one up-link carrier for having random access resource includes first up-link carrier, the initiation random access Up-link carrier be first up-link carrier,
Alternatively,
The up-link carrier for initiating random access is to be configured in described at least one up-link carrier for having random access resource There is the up-link carrier of physical uplink control channel resource,
Alternatively,
The up-link carrier for initiating random access is to be configured in described at least one up-link carrier for having random access resource Random access resource in the time domain apart from the shortest up-link carrier of current transmission time,
Alternatively,
It is described initiate random access up-link carrier be in the case where scheduling request unsuccessfully triggers random access procedure, it is described to have The up-link carrier where the resource that the scheduling request uses is sent at least one up-link carrier of random access resource.
20. accidental access device described in any one of 5-19 according to claim 1, which is characterized in that
The communication unit is also used in the determination unit in described at least one up-link carrier for having random access resource Before determining the up-link carrier for initiating random access, the third information that the access network equipment is sent, the third information are received For triggering random access procedure.
21. accidental access device according to claim 15, which is characterized in that the third information is physical down control Channel command, the physical downlink control channel commands include at least one of the 4th information and the 5th information, and the described 4th Information includes having each up-link carrier at least one up-link carrier of random access resource described in the access network equipment is The search space location information that scheduling information is configured, the 5th information include having to connect at random described in the access network equipment is Enter the radio network temporary identifier RNTI that each up-link carrier at least one up-link carrier of resource is configured.
22. accidental access device described in any one of 5-21 according to claim 1, which is characterized in that
The determination unit, be also used to it is described determined in described at least one up-link carrier for having random access resource initiate with After the up-link carrier of machine access, the subband being currently active in the up-link carrier for initiating random access is determined；
The accidental access device further includes switch unit；
The switch unit, if for the determination unit determine described in the subband that is currently active be not default subband, The subband being currently active then is switched to the default subband；
The communication unit, specifically for being switched on the up-link carrier for initiating random access by the switch unit The default subband in random access resource initiate random access.
23. accidental access device described in any one of 5-22 according to claim 1, which is characterized in that the random access Device further includes the first configuration unit, and first configuration unit is used for:
The first counter is configured, first counter is for recording the number for re-initiating random access；
Alternatively,
The second counter is respectively configured for each up-link carrier in described at least one up-link carrier for having random access resource, Second counter is for being recorded in the number for re-initiating random access on corresponding up-link carrier.
24. accidental access device described in any one of 5-23 according to claim 1, which is characterized in that the random access Device further includes the second configuration unit, and second configuration unit is used for:
Third counter and the first predetermined power climbing step-length are configured, the third counter re-initiates at random for being recorded in The change frequency of power is sent when access, the numerical value for sending power is based on first predetermined power climbing step-length and becomes Change；
Alternatively,
Four-counter is respectively configured for each up-link carrier in described at least one up-link carrier for having random access resource With the second predetermined power climbing step-length, the four-counter re-initiates random access for being recorded on corresponding up-link carrier When send power change frequency, it is described send power numerical value based on re-initiate random access use up-link carrier pair The the second predetermined power climbing step-length answered changes.
25. a kind of accidental access device, which is characterized in that the accidental access device is that access network equipment or the access net are set Chip in standby, the accidental access device include:
Processing unit, for determining that the first information, the first information are used to indicate terminal device and determine that at least two uplinks carry Have at least one up-link carrier of random access resource in wave, the terminal device be in connected state and be configured with it is described extremely Few two up-link carriers；
Transmission unit, for sending the first information that the processing unit is determined to the terminal device；
Receiving unit, for receiving hair of the terminal device in described at least one up-link carrier for having random access resource Play the random access request sent on the up-link carrier of random access.
26. accidental access device according to claim 25, which is characterized in that
The transmission unit is also used to send the second information to the terminal device, and second information is used to indicate the hair Play the up-link carrier of random access.
27. the accidental access device according to claim 25 or 26, which is characterized in that
The transmission unit is also used to send third information to the terminal device, and the third information connects at random for triggering Enter process.
28. accidental access device according to claim 27, which is characterized in that the third information is physical down control Channel command, the physical downlink control channel commands include at least one of the 4th information and the 5th information, and the described 4th Information includes having each up-link carrier at least one up-link carrier of random access resource described in the access network equipment is The search space location information that scheduling information is configured, the 5th information include having to connect at random described in the access network equipment is Enter the radio network temporary identifier RNTI that each up-link carrier at least one up-link carrier of resource is configured.
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