CN108738141A - A kind of configuration method of physical accidental access channel parameter, network side equipment and terminal - Google Patents
A kind of configuration method of physical accidental access channel parameter, network side equipment and terminal Download PDFInfo
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- CN108738141A CN108738141A CN201710265631.XA CN201710265631A CN108738141A CN 108738141 A CN108738141 A CN 108738141A CN 201710265631 A CN201710265631 A CN 201710265631A CN 108738141 A CN108738141 A CN 108738141A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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Abstract
The embodiment of the present invention provides a kind of configuration method of physical accidental access channel parameter, network side equipment and terminal；Wherein, the method for network side includes：Send physical accidental access channel parameter list selection thresholding list information, physical accidental access channel parameter list selection threshold information and physical accidental access channel parameter information.The method of end side includes：Receive physical accidental access channel parameter list selection thresholding list information, physical accidental access channel parameter list selection threshold information and physical accidental access channel parameter information that network side is sent.The solution of the present invention can support terminal there are the rational Physical Random Access Channel resource allocation information of terminal configuration for when multiple power grades, being different capacity grade, meet normally receiving for random access request of the terminal under the different network coverages.
Description
Technical field
The present invention relates to field of communication technology, a kind of configuration method of physical accidental access channel parameter, net are particularly related to
Network side apparatus and terminal.
Background technology
It is two kinds of power of eMTC terminal definitions in 3GPP specifications to support the diversification of terminal type and application scenarios
Deng both power class (power grade) 3 (23dBm) and power class 5 (20dBm)；For NB-IoT terminal definitions three
Power grade is planted, both power class 3 (23dBm), power class 5 (20dBm) and power class 6 (14dBm).
Different terminal power grades corresponds to different terminal maximum transmission power.Need for multiple power grade eMTC terminals or
NB-IoT terminals configure rational physical accidental access channel parameter information under different coverage conditions, so that terminal being capable of root
Suitable physical accidental access channel parameter is selected according to the power grade of itself, successfully initiates random access request.
Invention content
The present invention provides a kind of configuration method of physical accidental access channel parameter, network side equipment and terminals.Can have
Effect supports terminal, and there are the rational Physical Random Access Channel moneys of terminal configuration for when multiple power grades, being different capacity grade
Source configuration information meets normally receiving for random access request of the terminal under the different network coverages.
In order to solve the above technical problems, the embodiment of the present invention provides following scheme：
A kind of configuration method of physical accidental access channel parameter, including：
Network side sends physical accidental access channel parameter list selection threshold information, physical accidental access channel parameter row
Table information and physical accidental access channel parameter information.
Wherein, the configuration method of physical accidental access channel parameter further includes：
Network side sends physical accidental access channel parameter list and selects threshold information list information.
Wherein, the physical accidental access channel parameter list selection thresholding list information is used to indicate terminal and reads correspondence
Physical accidental access channel parameter list select threshold information.
Wherein, physical accidental access channel parameter list selection thresholding list information be used to indicate terminal according to its from
The power grade of body read in the physical accidental access channel parameter list selection thresholding list information with the power grade
Corresponding physical accidental access channel parameter list selects threshold information.
Wherein, the physical accidental access channel parameter list selection threshold information includes one group of Physical Random Access Channel
Parameter list selects threshold value, and the number of the physical accidental access channel parameter list selection threshold value is by coverage enhancement etc.
What the number of grade determined.
Wherein, the physical accidental access letter that the physical accidental access channel parameter list selection thresholding list information includes
The number of road parameter list selection threshold information is determined by terminal power number of levels.
Wherein, between the physical accidental access channel parameter list selection thresholding list information and terminal power grade
Correspondence is as follows：
The Physical Random Access Channel ginseng that the physical accidental access channel parameter list selection thresholding list information includes
Ordered series of numbers table selection threshold information is corresponding with terminal power grade.
Wherein, the physical accidental for including in the physical accidental access channel parameter list selection thresholding list information sequence
It is corresponding that channel parameter list selection threshold information, which is accessed, with terminal power grade, is specifically included：
N-th Physical Random Access Channel in the physical accidental access channel parameter list selection thresholding list information
Parameter list selects threshold information terminal power grade M corresponding；
Power grade is the terminal of M, is read in the physical accidental access channel parameter list selection thresholding list information
N-th physical accidental access channel parameter list selects threshold information；
Wherein, the value range of N and M is { 1 ... maxPower-Class }, and maxPower-Class is terminal power etc.
Number of stages.
Wherein, the terminal power number of levels is：Defined in preset terminal power number of levels or standard most
Big terminal power number of levels or the terminal power number of levels of terminal actual use.
Wherein, the physical accidental access channel parameter list selection threshold information is used to indicate terminal according to network side
Reference signal or synchronizing signal reception power measured value and the physical accidental access channel parameter list select door
The physical accidental access channel parameter list that limit information includes selects threshold value, determines the coverage enhancement etc. where the terminal
Grade.
Wherein, the physical accidental access channel parameter list information is used to indicate terminal according to determining coverage enhancement etc.
Grade reads physical accidental access corresponding with the coverage enhancement grade in the physical accidental access channel parameter list information
Channel parameter information.
Wherein, maximum of the threshold value by network side according to different coverage enhancement grades permitted base station and terminal room
The transmission power of the reference signal or synchronizing signal of coupling loss and network side determines.
Wherein, the threshold value is equal to PRStx-MCLN+Poffset；
Wherein, MCLNFor the maximum coupling loss value of the permitted base station and terminal room network side coverage enhancement grade N,
PRStxFor the transmission power level of network side reference signal or synchronizing signal, PoffsetConfigurable threshold value surplus.
Wherein, the physical accidental access channel parameter information number is preset value；
The preset value is equal to coverage enhancement number of levels；
Alternatively, the preset value is multiplied by terminal power number of levels equal to coverage enhancement number of levels；
Alternatively, the preset value is equal to the physics that physical accidental access channel parameter list selection threshold information includes
Accidental access channel parameter list selection threshold value number adds 1.
Wherein, the physical accidental access channel parameter information includes：The frequency shift (FS) of Physical Random Access Channel transmission,
Starting subframe number, random access request maximum attempts and/or the physical accidental access that Physical Random Access Channel is sent
Channel pilot frequency code number of repetition.
Wherein, the random access request maximum attempts and Physical Random Access Channel pilot code number of repetition are
It is determined according to the coverage enhancement grade where terminal as network side, or by network side according to terminal power grade and end
What the coverage enhancement grade where end determined.
The embodiment of the present invention also provides a kind of selection method of physical accidental access channel parameter information, including：
Terminal receives physical accidental access channel parameter list selection threshold information, the physical accidental access that network side is sent
Channel parameter list information and physical accidental access channel parameter information.
Wherein, the selection method of physical accidental access channel parameter information further includes：
Terminal receives the physical accidental access channel parameter list selection thresholding list information that the network side is sent.
Wherein, the selection method of physical accidental access channel parameter information further includes：
Terminal reads the physical accidental access channel parameter list according to the power grade of its own and selects thresholding list
The corresponding physical accidental access channel parameter list of power grade described in information selects threshold information.
Wherein, the selection method of physical accidental access channel parameter information further includes：
Terminal according to network side reference signal or synchronizing signal reception power measured value, and read it is described
Physical accidental access channel parameter list selects threshold information, determines the coverage enhancement grade where the terminal.
Wherein, the selection method of physical accidental access channel parameter information further includes：
The terminal read one group of physics that physical accidental access channel parameter list selection threshold information includes with
Machine accesses channel parameter list and selects threshold value, will be to the measured value of the reference signal of network side or the reception power of synchronizing signal
It is compared with physical accidental access channel parameter list selection threshold value, determines the coverage enhancement etc. where the terminal
Grade.
Wherein, the selection method of physical accidental access channel parameter information further includes：
If the measured value of the reception power of the reference signal of terminal-pair network side or synchronizing signal be less than the physics with
Machine accesses the corresponding physical accidental access channel parameter list choosings of coverage enhancement grade N in channel parameter list selection threshold information
Threshold value is selected, then terminal thinks it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is for coverage enhancement number of levels or most
Big covering grade numerical value.
Wherein, the selection method of physical accidental access channel parameter information further includes：
If the measured value of the reception power of the reference signal of terminal-pair network side or synchronizing signal be more than the physics with
Machine accesses the corresponding physical accidental access channel parameter list choosings of coverage enhancement grade M in channel parameter list selection threshold information
Threshold value is selected, then terminal thinks it in coverage enhancement grade M；
Wherein, the value range of M is { 1 ... maxCE-Level }, and maxCE-Level is for coverage enhancement number of levels or most
Big covering grade numerical value.
Wherein, the selection method of physical accidental access channel parameter information further includes：
Terminal is according to the corresponding performance number of reference power grade performance number corresponding with its own power grade and described
Physical accidental access channel parameter list selects threshold information, determines the coverage enhancement grade where the terminal.
Wherein, the selection method of physical accidental access channel parameter information further includes：
Terminal is according to the performance number corresponding with its own power grade of terminal maximum transmission power value in this cell, Yi Jisuo
Physical accidental access channel parameter list selection threshold information is stated, determines the coverage enhancement grade where the terminal.
Wherein, if the measured value of the reception power of the reference signal of terminal-pair network side or synchronizing signal is less than the object
Manage the corresponding physical accidental access channel parameter row of coverage enhancement grade N in accidental access channel parameter list selection threshold information
Table selects between threshold value and power compensating value and value, then terminal thinks it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is for coverage enhancement number of levels or most
Big covering grade numerical value.
Wherein, if the measured value and power back-off of the reception power of the reference signal of terminal-pair network side or synchronizing signal
It is corresponding that difference between value is less than coverage enhancement grade N in physical accidental access channel parameter list selection threshold information
Physical accidental access channel parameter list selects threshold value, then terminal thinks it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is for coverage enhancement number of levels or most
Big covering grade numerical value.
Wherein, if the measured value of the reception power of the reference signal of terminal-pair network side or synchronizing signal is more than the object
Manage the corresponding physical accidental access channel parameter row of coverage enhancement grade N in accidental access channel parameter list selection threshold information
Table selects between threshold value and power compensating value and value, then terminal thinks it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is for coverage enhancement number of levels or most
Big covering grade numerical value.
Wherein, if the measured value and power back-off of the reception power of the reference signal of terminal-pair network side or synchronizing signal
It is corresponding that difference between value is more than coverage enhancement grade N in physical accidental access channel parameter list selection threshold information
Physical accidental access channel parameter list selects threshold value, then terminal thinks it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is for coverage enhancement number of levels or most
Big covering grade numerical value.
Wherein, the selection method of physical accidental access channel parameter information further includes：
The power compensating value is equal to the corresponding performance number of reference power grade work(corresponding with terminal own power grade
Difference between rate value；
Or the power compensating value is equal to terminal maximum transmission power value and terminal own power grade pair in this cell
Difference between the performance number answered.
Wherein, the selection method of physical accidental access channel parameter information further includes：
Terminal according to determining coverage enhancement grade read in the physical accidental access channel parameter list information with institute
State the corresponding physical accidental access channel parameter information of coverage enhancement grade.
Wherein, the selection method of physical accidental access channel parameter information further includes：
Terminal initiates random access request according to the physical accidental access channel parameter information.
The embodiment of the present invention also provides a kind of network side equipment, including：
Sending module, for sending physical accidental access channel parameter list selection threshold information, physical accidental access letter
Road parameter list information and physical accidental access channel parameter information；Or for sending physical accidental access channel parameter list
It selects thresholding list information, send physical accidental access channel parameter list selection threshold information, Physical Random Access Channel ginseng
Number list information and physical accidental access channel parameter information.
The embodiment of the present invention also provides a kind of terminal, including：
Receiving module, physical accidental access channel parameter list selection threshold information, object for receiving network side transmission
Manage accidental access channel parameter list information and physical accidental access channel parameter information；Or for receiving physical accidental access
Channel parameter list select thresholding list information, send physical accidental access channel parameter list selection threshold information, physics with
Machine accesses channel parameter list information and physical accidental access channel parameter information.
The said program of the present invention includes at least following advantageous effect：
Can effectively support terminal there are when multiple power grades, be different capacity grade terminal configure rational physics with
Machine accesses channel resource configuration information, meets normally receiving for random access request of the terminal under the different network coverages.
Description of the drawings
Fig. 1 is the flow of the selection method of third embodiment of the present invention end side physical accidental access channel parameter information
Schematic diagram.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
First embodiment
The first embodiment of the present invention provides a kind of configuration method of physical accidental access channel parameter, including：
Network side sends physical accidental access channel parameter list selection threshold information, physical accidental access channel parameter letter
Breath and physical accidental access channel parameter list select thresholding list information.
Wherein, the physical accidental access channel parameter list selection thresholding list information is used to indicate terminal and reads correspondence
Physical accidental access channel parameter list select threshold information.
Further, the physical accidental access channel parameter list selection thresholding list information is additionally operable to instruction terminal root
Power grade described in physical accidental access channel parameter list selection thresholding list information is read according to the power grade of its own
Corresponding physical accidental access channel parameter list selects threshold information.
In the first embodiment, the physical accidental access channel parameter list selection threshold information is used to indicate terminal root
According to the measured value of the reception power of reference signal or synchronizing signal to network side, and the physical accidental access read is believed
The threshold value for including in road parameter list selection threshold information, determines the coverage enhancement grade where the terminal；
The physical accidental access channel parameter information is used to indicate terminal according to determining coverage enhancement grade, reads institute
State the resource distribution of the determining corresponding Physical Random Access Channel of coverage enhancement grade.
In the first embodiment, the physical accidental access channel parameter list selection thresholding list information is a sequence,
The number for the first information unit for including in the sequence is determined by the number of terminal power grade, the first information list
Member is that physical accidental access channel parameter list selects threshold information.
Wherein, between the physical accidental access channel parameter list selection thresholding list information and terminal power grade
Correspondence is as follows：
The first information unit for including in the physical accidental access channel parameter list selection thresholding list information sequence
It is corresponded with the power grade of terminal.
Wherein, the first information for including in the physical accidental access channel parameter list selection thresholding list information sequence
Unit and the power grade of terminal correspond, and specifically include：
N-th first information unit in the physical accidental access channel parameter list selection thresholding list information sequence
It is corresponding with terminal power grade M；
Power grade is the terminal of M, reads the physical accidental access channel parameter list selection thresholding list information sequence
The corresponding information of n-th first information unit of row；
Wherein, the value range of N and M is { 1 ... maxPower-Class }, and maxPower-Class is preset terminal
The number of power grade, or for terminal actual use terminal power grade number.
In the first embodiment, the physical accidental access channel parameter list selection thresholding list information is a sequence,
The first information unit for including in the sequence is a sequence, and the first information unit sequence includes one group of threshold value, described
The number of threshold value is determined by coverage enhancement number of levels.
In the first embodiment, the first corresponded manner is that the number of the physical accidental access channel parameter information is equal to
Coverage enhancement number of levels or the number that the first corresponded manner is the physical accidental access channel parameter information are equal to net
The coverage enhancement number of levels that network side maximum is supported is multiplied by the number of terminal power grade, wherein second of corresponded manner, that is, net
Network side apparatus is different capacity grade terminal has given a definition corresponding Physical Random Access Channel ginseng in different coverage enhancement grades
Number.
For example, it is assumed that terminal power number of levels is 3, coverage enhancement number of levels is 3, then uses the first counterparty
The number of formula, the physical accidental access channel parameter information is 3；Using second of corresponded manner, the physical accidental access
The number of channel parameter information is 9.
When using the first corresponded manner, pair of the physical accidental access channel parameter information and coverage enhancement grade
It should be related to including but not limited to following manner：
Physical accidental access channel parameter information one, corresponding coverage enhancement grade one；
Physical accidental access channel parameter information two, corresponding coverage enhancement grade two；
Physical accidental access channel parameter information three, corresponding coverage enhancement grade three.
In using second when corresponded manner, the physical accidental access channel parameter information and terminal power grade and net
The correspondence of network coverage enhancement grade includes but not limited to following manner：
Mode one：
Mode two：
Mode three：
Mode four：
The above embodiment of the present invention can effectively support terminal, and there are when multiple power grades, be the end of different capacity grade
End configures rational Physical Random Access Channel resource allocation information, meets random access of the terminal under the different network coverages
Request normally receives.
Second embodiment
The second embodiment of the present invention also provides a kind of configuration method of physical accidental access channel parameter, including：
Network side sends physical accidental access channel parameter list selection threshold information, physical accidental access channel parameter letter
Breath.
In the second embodiment, the physical accidental access channel parameter list selection threshold information is a sequence, described
Sequence includes one group of threshold value, and the number of the threshold value is determined by coverage enhancement number of levels.
In above-mentioned all embodiments, the threshold value is by network side according to the different permitted base stations of coverage enhancement grade
It is determined with the maximum coupling loss of terminal room and the transmission power of the reference signal of network side or synchronizing signal.
And it is further, the threshold value is equal to PRStx-MCLN+Poffset；Wherein, MCLNPermitted by coverage enhancement grade N
Perhaps the maximum coupling loss value of base station and terminal room, PRStxFor the transmission power level of network side reference signal or synchronizing signal,
PoffsetConfigurable threshold value surplus.
The physical accidental access channel parameter list selection threshold information is specifically used for instruction：The ginseng of terminal-pair network side
The measured value for examining signal or the reception power of synchronizing signal selects threshold information with the physical accidental access channel parameter list
In threshold value be compared, determine the coverage enhancement grade where itself.
In above-described embodiment, the physical accidental access channel parameter information includes：What Physical Random Access Channel was sent
Starting subframe number, random access request maximum attempts and/or the physics that frequency shift (FS), Physical Random Access Channel are sent
Accidental access channel pilot frequency code number of repetition.
Wherein, the random access request maximum attempts and Physical Random Access Channel pilot code number of repetition be by
Network side is determined according to the coverage enhancement grade where terminal, or by network side according to terminal power grade and terminal
What the coverage enhancement grade at place determined.
The above embodiment of the present invention sends physical accidental access channel parameter list by network side and selects thresholding list
Information, physical accidental access channel parameter list selection threshold information and physical accidental access channel parameter information；Or hair
Send physical accidental access channel parameter list selection threshold information and physical accidental access channel parameter information；It can effectively support
There are the rational Physical Random Access Channel resource distributions of terminal configuration for when multiple power grades, being different capacity grade for terminal
Information meets normally receiving for random access request of the terminal under the different network coverages.
3rd embodiment
The third embodiment of the present invention provides a kind of selection method of physical accidental access channel parameter information, including：
Step 31, terminal receive physical accidental access channel parameter list selection thresholding list information that network side sends,
Physical accidental access channel parameter list selects threshold information, physical accidental access channel parameter list information and physical accidental
Access channel parameter information.
The above method can also include：
Step 32, terminal reads corresponding physical accidental access channel parameter list according to the power grade of its own and selects
Thresholding list information, and select thresholding list information to read corresponding physics according to the physical accidental access channel parameter list
Accidental access channel parameter list selects threshold information；
Step 33, terminal according to network side reference signal or synchronizing signal reception power measured value, and read
The physical accidental access channel parameter list selection threshold information taken, determines the coverage enhancement grade where the terminal；
Step 34, terminal reads the physical accidental access channel parameter list information according to determining coverage enhancement grade
In physical accidental access channel parameter information corresponding with the coverage enhancement grade.
Wherein, terminal reads corresponding physical accidental access channel parameter list according to the maximum transmission power of its own and selects
Selecting thresholding list information includes：
The object that terminal includes in the sequence according to physical accidental access channel parameter list selection thresholding list information
Manage the correspondence between accidental access channel parameter list selection threshold information and terminal power grade and the terminal
Power grade determines the corresponding terminals physical accidental access channel parameter list selection thresholding letter of the power grade of the terminal
Breath；
The physical accidental for including in the sequence of the physical accidental access channel parameter list selection thresholding list information connects
Enter channel parameter list selection threshold information and terminal power grade between correspondence include：
Physical Random Access Channel in the physical accidental access channel parameter list selection thresholding list information sequence
Parameter list selects threshold information and the power grade of terminal to correspond.
Wherein, the terminal according to network side reference signal or synchronizing signal reception power measured value, and
The physical accidental access channel parameter list read selects threshold information, determines the coverage enhancement grade packet where the terminal
It includes：
The terminal reads the physical accidental access channel parameter list and selects threshold information, by the reference to network side
The measured value of signal or the reception power of synchronizing signal is selected with the physical accidental access channel parameter list in threshold information
Threshold value be compared, determine the network coverage enhancing grade where the terminal.
For example, the physical accidental access channel parameter list selects threshold information for RSRPThresholds1With
RSRPThresholds2, two thresholding of one thresholding of coverage enhancement grade and coverage enhancement grade is corresponded to respectively；Terminal-pair network side is with reference to letter
Number receive power measured value be RSRPmeasure, then work as RSRPmeasure<RSRPThresholds2, then terminal judge its covering increase
Strong grade two；Work as RSRPmeasure<RSRPThresholds1, then terminal judge it in coverage enhancement grade one；Otherwise, terminal judges it
In coverage enhancement level zero.
The above embodiment of the present invention selects door by receiving the physical accidental access channel parameter list that network side is sent
Limit list information, physical accidental access channel parameter list selection threshold information, physical accidental access channel parameter list information
And physical accidental access channel parameter information；Or send physical accidental access channel parameter list selection threshold information,
Physical accidental access channel parameter list information and physical accidental access channel parameter information；It is more can effectively to support that terminal exists
When a power grade, it is that the terminal of different capacity grade configures rational Physical Random Access Channel resource allocation information, meets
Random access request of the terminal under the different network coverages normally receives.
Fourth embodiment
The fourth embodiment of the present invention provides a kind of selection method of physical accidental access channel parameter information, including：
Terminal receives the physical accidental access channel parameter list selection threshold information that network side is sent and physical accidental connects
Enter channel parameter information.
Further, this method further includes：
Terminal reads corresponding physical accidental access channel parameter list selection thresholding letter according to the power grade of its own
Breath；
Terminal according to network side reference signal or synchronizing signal reception power measured value and the physics with
Machine accesses channel parameter list and selects threshold information, determines the coverage enhancement grade where the terminal；
Terminal reads the corresponding object of coverage enhancement grade at the determining place according to the coverage enhancement grade where determining
Manage accidental access channel parameter information.
In third and fourth above-mentioned embodiment, when the survey of the reception power of the reference signal or synchronizing signal of terminal-pair network side
When magnitude is less than the threshold value in physical accidental access channel parameter list selection threshold information, terminal determines the terminal institute
The network coverage enhancing grade be the corresponding coverage enhancement grade of the threshold value.
In third and fourth above-mentioned embodiment,
When the measured value of the reception power of the reference signal or synchronizing signal of terminal-pair network side is more than the physical accidental
When accessing the threshold value in channel parameter list selection threshold information, terminal determines the network coverage enhancing grade where the terminal
For the corresponding coverage enhancement grade of the threshold value.
In third and fourth above-mentioned embodiment,
Work as RSRPmeasure<RSRPThresholds2When, then the coverage enhancement grade where terminal determines the terminal is M3；
Work as RSRPmeasure<RSRPThresholds1, then the coverage enhancement grade where terminal determines the terminal is M2；Otherwise,
Network coverage enhancing grade where terminal determines the terminal is M1；
M1, M2 and M3, which are the mutually different network coverage, enhances grade；
Wherein, RSRPThresholds1And RSRPThresholds2Respectively physical accidental access channel parameter list selects thresholding
Threshold value in information, RSRPmeasureFor the measured value of the reception power of the reference signal or synchronizing signal of terminal-pair network side.
In third and fourth above-mentioned embodiment,
Work as RSRPmeasure>RSRPThresholds3When, then terminal determines that the coverage enhancement grade of the terminal is M4；
Work as RSRPmeasure>RSRPThresholds4, then terminal determine the terminal coverage enhancement grade be M5；Otherwise, terminal
Determine that the coverage enhancement grade of the terminal is M6；
M4, M5 and M6 are mutually different coverage enhancement grade；
Wherein, RSRPThresholds3And RSRPThresholds4Respectively physical accidental access channel parameter list selects thresholding
Threshold value in information, RSRPmeasureFor the measured value of the reception power of the reference signal or synchronizing signal of terminal-pair network side.
5th embodiment
The fifth embodiment of the present invention provides a kind of selection method of physical accidental access channel parameter information, including：
Terminal receives physical accidental access channel parameter list selection threshold information, the physical accidental access that network side is sent
Channel parameter list information and physical accidental access channel parameter information.
In a kind of realization of the embodiment, this method can also include：
Terminal according to network side reference signal or synchronizing signal reception power measured value and the physics with
Machine accesses channel parameter list and selects threshold information, determines the coverage enhancement grade where the terminal.
In a kind of realization of the embodiment, this method can also include：
Terminal is according to the corresponding performance number of reference power grade, the corresponding performance number of terminal power grade and the object
It manages accidental access channel parameter list and selects threshold information, determine the coverage enhancement grade where the terminal.
In a kind of realization of the embodiment, this method can also include：
When the measured value of the reception power of the reference signal or synchronizing signal of terminal-pair network side is less than the physical accidental
When between the threshold value and power compensating value in access channel parameter list selection threshold information and value, terminal determines the terminal
The coverage enhancement grade at place is the corresponding coverage enhancement grade of the threshold value；
Alternatively, the measured value and power compensating value of the reception power when the reference signal or synchronizing signal of terminal-pair network side
Difference be less than the physical accidental access channel parameter list selection threshold information in threshold value when, terminal determines the terminal institute
Coverage enhancement grade be the corresponding coverage enhancement grade of the threshold value.
In a kind of realization of the embodiment, this method can also include：
When the measured value of the reception power of the reference signal or synchronizing signal of terminal-pair network side is more than the physical accidental
When between the threshold value and power compensating value in access channel parameter list selection threshold information and value, terminal determines the terminal
The coverage enhancement grade at place is the corresponding coverage enhancement grade of the threshold value；
Alternatively, the measured value and power compensating value of the reception power when the reference signal or synchronizing signal of terminal-pair network side
Difference be more than the physical accidental access channel parameter list selection threshold information in threshold value when, terminal determines the terminal institute
Coverage enhancement grade be the corresponding coverage enhancement grade of the threshold value.
In a kind of realization of the embodiment, this method can also include：Work as RSRPmeasure<RSRPThresholds5+
PcompensationWhen, then terminal determines that the network coverage enhancing grade of the terminal is M7；
Work as RSRPmeasure<RSRPThresholds6-Pcompensation, then terminal determine the terminal the network coverage enhancing grade
For M8；Otherwise, terminal determines that the network coverage enhancing grade of the terminal is M9；
M7, M8 and M9, which are the mutually different network coverage, enhances grade；
Wherein, RSRPThresholds5And RSRPThresholds6Respectively physical accidental access channel parameter list selects thresholding
The threshold value of coverage enhancement grade M7 and M8, RSRP are corresponded in information respectivelymeasureFor terminal-pair network side reference signal or
The measured value of the reception power of synchronizing signal, PcompensationFor by the corresponding performance number of reference power grade and terminal power etc.
The power compensating value that the corresponding performance number of grade determines.
In a kind of realization of the embodiment, this method can also include：
Work as RSRPmeasure>RSRPThresholds7+PcompensationWhen, then terminal determines that the coverage enhancement grade of the terminal is
M10；
Work as RSRPmeasure>RSRPThresholds8+Pcompensation, then terminal determine that the coverage enhancement grade of the terminal is
M11；Otherwise, terminal determines that the coverage enhancement grade of the terminal is M12；
M10, M11 and M12 are mutually different coverage enhancement grade；
Wherein, RSRPThresholds7And RSRPThresholds8Respectively physical accidental access channel parameter list selects thresholding
The threshold value of coverage enhancement grade M10 and M11, RSRP are corresponded in information respectivelymeasureFor the reference signal of terminal-pair network side
Or the measured value of the reception power of synchronizing signal, PcompensationFor by the corresponding performance number of reference power grade and terminal power
The power compensating value that the corresponding performance number of grade determines.
In a kind of realization of the embodiment, this method can also include：
The power compensating value is equal to the corresponding performance number of terminal references power grade performance number corresponding with power grade
Between difference；
Or the power compensating value is equal to the corresponding performance number of terminal references power grade work(corresponding with power grade
Difference between rate value subtracts additional compensation value again.
In the embodiment of the present invention, can also include：Terminal reads the determination according to determining coverage enhancement grade
The corresponding physical accidental access channel parameter information of coverage enhancement grade.
In all embodiments of the method for reseptance of the above-mentioned terminal of the present invention, can also include：Terminal is according to the physics
Accidental access channel parameter information initiates random access request.
The above embodiment of the present invention can effectively support terminal, and there are when multiple power grades, be the end of different capacity grade
End configures rational Physical Random Access Channel resource allocation information, meets random access of the terminal under the different network coverages
Request normally receives.
The main difference of another embodiment and embodiment five is PcompensationDefinition mode.
PcompensationFor the power back-off determined by this cell terminal maximum ascending power value and the affiliated power grade of terminal
Value.Pcompensation=PEMAX1–PPowerClass。PEMAX1For this cell terminal maximum ascending power of Web broadcast, PPowerClassFor
The corresponding performance number of terminal power grade, such as the corresponding 14dBm maximum transmission power of terminal of power grade 6 or power etc.
The corresponding 20dBm maximum transmission power of terminal of grade 5.
Wherein, work as RSRPmeasure<RSRPThresholds7+PcompensationWhen, then terminal determines that the network coverage of the terminal increases
Strong grade is M10；
Work as RSRPmeasure<RSRPThresholds8+Pcompensation, then terminal determine the terminal the network coverage enhancing grade
For M11；Otherwise, terminal determines that the network coverage enhancing grade of the terminal is M12；
In a kind of realization of the embodiment, this method can also include：
PdeltaFor the power compensating value determined by this cell terminal maximum ascending power and the affiliated power grade of terminal.
Pdelta=PEMAX1–PPowerClass, PEMAX1For this cell terminal maximum ascending power value of Web broadcast, PPowerClassFor terminal work(
The corresponding performance number of rate grade, for example, the corresponding 14dBm maximum transmission power of the terminal of power grade 6 or power grade 5
The corresponding 20dBm maximum transmission power of terminal.
Terminal is by the measured value RSRP of the terminal-pair network side Reference Signal Received PowermeasureSubtract PdeltaAfterwards, it obtains
Go out revised RSRPmeasureCompensation=RSRPmeasure-Pdelta, selected with the physical accidental access channel parameter list
It selects the threshold value for including in threshold information to be compared, determines the coverage enhancement grade residing for terminal (that is, if terminal power etc.
The corresponding performance number of grade is smaller than this cell terminal maximum transmission power value of Web broadcast, then PdeltaIt is positive value, then needs end
It holds actually measured RSRP to reduce, the covering grade of low-power terminal, i.e. RSRP is more suitable for selectionmeasureCompensation=
RSRPmeasure-Pdelta；If terminal is bigger than reference power, PdeltaIt is negative value, then needs to carry the actually measured RSRP of terminal
Height, the covering grade of high power-terminal is more suitable for selection, and formula is still RSRPmeasureCompensation=RSRPmeasure-
Pdelta)
Work as RSRPmeasureCompensation<RSRPThresholds9When, then terminal determines the network coverage enhancing grade of the terminal
For M13；
Work as RSRPmeasureCompensation<RSRPThresholds10When, then terminal determines the network coverage enhancing grade of the terminal
For M14；Otherwise, terminal determines that the network coverage enhancing grade of the terminal is M15.
Sixth embodiment
Corresponding with above-mentioned first embodiment, second embodiment and 3rd embodiment, the sixth embodiment of the present invention is also
A kind of network side equipment is provided, including：
Sending module, for sending physical accidental access channel parameter list selection threshold information, physical accidental access letter
Road parameter list information and physical accidental access channel parameter information；Or for sending physical accidental access channel parameter list
Select thresholding list information, physical accidental access channel parameter list selection threshold information, physical accidental access channel parameter row
Table information and physical accidental access channel parameter information.
It should be noted that above-mentioned all implementation methods about in the first, second and third embodiment are suitable for the network side
In the embodiment of equipment, it can also reach identical technique effect.
The network side equipment can be base station, and the sending module of the network side equipment can be realized by transmitter, meanwhile,
The network side equipment can further include the above-mentioned physical accidental access channel parameter list selection threshold information of processing, object
Manage the processor and storage above- mentioned information of accidental access channel parameter list information and physical accidental access channel parameter information
Memory etc..
The above embodiment of the present invention can effectively support terminal, and there are when multiple power grades, be the end of different capacity grade
End configures rational Physical Random Access Channel resource allocation information, meets random access of the terminal under the different network coverages
Request normally receives.
7th embodiment
Corresponding with above-mentioned fourth, fifth, six embodiments, the seventh embodiment of the present invention also provides a kind of terminal, including：
Receiving module, physical accidental access channel parameter list selection threshold information, object for receiving network side transmission
Manage accidental access channel parameter list information and physical accidental access channel parameter information；Or for receiving network side transmission
Physical accidental access channel parameter list selects thresholding list information, physical accidental access channel parameter list selection thresholding letter
Breath, physical accidental access channel parameter list information and physical accidental access channel parameter information.
It should be noted that above-mentioned all implementation methods about terminal also can suitable for the embodiment of the terminal
Reach identical technique effect.
The terminal can be user equipment, and the receiving module of the terminal can be realized by receiver, meanwhile, the terminal is also
The above-mentioned physical accidental access channel parameter list selection threshold information of processing, Physical Random Access Channel are may further include
The memory etc. of the processor and storage above- mentioned information of parameter list information and physical accidental access channel parameter information.
The above embodiment of the present invention can effectively support terminal, and there are when multiple power grades, be the end of different capacity grade
End configures rational Physical Random Access Channel resource allocation information, meets random access of the terminal under the different network coverages
Request normally receives.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (34)
1. a kind of configuration method of physical accidental access channel parameter, which is characterized in that including：
Network side sends physical accidental access channel parameter list selection threshold information, physical accidental access channel parameter list letter
Breath and physical accidental access channel parameter information.
2. the configuration method of physical accidental access channel parameter according to claim 1, which is characterized in that further include：
Network side sends physical accidental access channel parameter list and selects threshold information list information.
3. the configuration method of physical accidental access channel parameter according to claim 2, which is characterized in that the physics with
Machine access channel parameter list selection thresholding list information is used to indicate terminal and reads corresponding physical accidental access channel parameter
List selects threshold information.
4. the configuration method of physical accidental access channel parameter according to claim 3, which is characterized in that
The physical accidental access channel parameter list selection thresholding list information is used to indicate power of the terminal according to its own
Grade reads object corresponding with the power grade in the physical accidental access channel parameter list selection thresholding list information
It manages accidental access channel parameter list and selects threshold information.
5. the configuration method of physical accidental access channel parameter according to claim 1, which is characterized in that the physics with
It includes that one group of physical accidental access channel parameter list selects threshold value that machine, which accesses channel parameter list selection threshold information, described
Physical accidental access channel parameter list, which selects the number of threshold value, to be determined by the number of coverage enhancement grade.
6. the configuration method of physical accidental access channel parameter according to claim 2, which is characterized in that the physics with
The physical accidental access channel parameter list selection threshold information that machine access channel parameter list selection thresholding list information includes
Number determined by terminal power number of levels.
7. the configuration method of physical accidental access channel parameter according to claim 6, which is characterized in that the physics with
The correspondence that machine accesses between channel parameter list selection thresholding list information and terminal power grade is as follows：
The physical accidental access channel parameter row that the physical accidental access channel parameter list selection thresholding list information includes
Table selection threshold information is corresponding with terminal power grade.
8. the configuration method of physical accidental access channel parameter according to claim 7, which is characterized in that the physics with
The physical accidental access channel parameter list selection door for including in machine access channel parameter list selection thresholding list information sequence
Limit information is corresponding with terminal power grade, is specifically included：
N-th physical accidental access channel parameter in the physical accidental access channel parameter list selection thresholding list information
List selects threshold information terminal power grade M corresponding；
Power grade is the terminal of M, reads n-th in the physical accidental access channel parameter list selection thresholding list information
Physical accidental access channel parameter list selects threshold information；
Wherein, the value range of N and M is { 1 ... maxPower-Class }, and maxPower-Class is terminal power number of degrees
Mesh.
9. the configuration method of the physical accidental access channel parameter according to claim 6 or 8, which is characterized in that the end
End power grade number be：Maximum terminal power number of levels defined in preset terminal power number of levels or standard,
Or the terminal power number of levels of the terminal actual use.
10. the configuration method of the physical accidental access channel parameter according to claim 1,4,7 or 8, which is characterized in that
The physical accidental access channel parameter list selection threshold information is used to indicate terminal according to the reference letter to network side
Number or synchronizing signal reception power measured value and the physical accidental access channel parameter list select threshold information packet
The physical accidental access channel parameter list selection threshold value contained, determines the coverage enhancement grade where the terminal.
11. the configuration method of physical accidental access channel parameter according to claim 1, which is characterized in that
The physical accidental access channel parameter list information is used to indicate terminal and reads institute according to determining coverage enhancement grade
State physical accidental access channel parameter corresponding with the coverage enhancement grade in physical accidental access channel parameter list information
Information.
12. the configuration method of the physical accidental access channel parameter according to claim 5,8 or 11, which is characterized in that institute
State maximum coupling loss and net of the threshold value by network side according to different coverage enhancement grades permitted base station and terminal room
The reference signal of network side or the transmission power of synchronizing signal determine.
13. the configuration method of physical accidental access channel parameter according to claim 12, which is characterized in that the thresholding
Value is equal to PRStx-MCLN+Poffset；
Wherein, MCLNFor the maximum coupling loss value of the permitted base station and terminal room network side coverage enhancement grade N, PRStxFor
The transmission power level of network side reference signal or synchronizing signal, PoffsetConfigurable threshold value surplus.
14. the configuration method of physical accidental access channel parameter according to claim 1, which is characterized in that the physics
Accidental access channel parameter information number is preset value；
The preset value is equal to coverage enhancement number of levels；
Alternatively, the preset value is multiplied by terminal power number of levels equal to coverage enhancement number of levels；
Alternatively, the preset value is equal to the physical accidental that physical accidental access channel parameter list selection threshold information includes
Access channel parameter list selection threshold value number adds 1.
15. the configuration method of the physical accidental access channel parameter according to claim 1 or 14, which is characterized in that described
Physical accidental access channel parameter information includes：The frequency shift (FS) of Physical Random Access Channel transmission, Physical Random Access Channel
Starting subframe number, random access request maximum attempts and/or the Physical Random Access Channel pilot code of transmission repeat secondary
Number.
16. the configuration method of physical accidental access channel parameter according to claim 15, which is characterized in that described random
Access request maximum attempts and Physical Random Access Channel pilot code number of repetition are by network side according to where terminal
Coverage enhancement grade determine, or as network side according to the coverage enhancement grade where terminal power grade and terminal
Determining.
17. a kind of selection method of physical accidental access channel parameter information, which is characterized in that including：
Terminal receives physical accidental access channel parameter list selection threshold information, the Physical Random Access Channel that network side is sent
Parameter list information and physical accidental access channel parameter information.
18. the selection method of physical accidental access channel parameter information according to claim 17, which is characterized in that also wrap
It includes：
Terminal receives the physical accidental access channel parameter list selection thresholding list information that the network side is sent.
19. the selection method of physical accidental access channel parameter information according to claim 18, which is characterized in that also wrap
It includes：
Terminal reads the physical accidental access channel parameter list according to the power grade of its own and selects thresholding list information
Described in the corresponding physical accidental access channel parameter list of power grade select threshold information.
20. the selection method of physical accidental access channel parameter information according to claim 19, which is characterized in that also wrap
It includes：
Terminal according to network side reference signal or synchronizing signal reception power measured value, and read the physics
Accidental access channel parameter list selects threshold information, determines the coverage enhancement grade where the terminal.
21. the selection method of physical accidental access channel parameter information according to claim 20, which is characterized in that also wrap
It includes：
The terminal reads one group of physical accidental that the physical accidental access channel parameter list selection threshold information includes and connects
Enter channel parameter list selection threshold value, it will be to the measured value of the reference signal of network side or the reception power of synchronizing signal and institute
It states physical accidental access channel parameter list selection threshold value to be compared, determines the coverage enhancement grade where the terminal.
22. the selection method of the physical accidental access channel parameter information according to claim 20 or 21, which is characterized in that
Further include：
If the measured value of the reference signal of terminal-pair network side or the reception power of synchronizing signal connects less than the physical accidental
Enter the corresponding physical accidental access channel parameter list selection doors of coverage enhancement grade N in channel parameter list selection threshold information
Limit value, then terminal think it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is that coverage enhancement number of levels or maximum are covered
Lid level value.
23. the selection method of the physical accidental access channel parameter information according to claim 20 or 21, which is characterized in that
Further include：
If the measured value of the reference signal of terminal-pair network side or the reception power of synchronizing signal connects more than the physical accidental
Enter the corresponding physical accidental access channel parameter list selection doors of coverage enhancement grade M in channel parameter list selection threshold information
Limit value, then terminal think it in coverage enhancement grade M；
Wherein, the value range of M is { 1 ... maxCE-Level }, and maxCE-Level is that coverage enhancement number of levels or maximum are covered
Lid level value.
24. the selection method of physical accidental access channel parameter information according to claim 20, which is characterized in that also wrap
It includes：
Terminal is according to the corresponding performance number of reference power grade performance number corresponding with its own power grade and the physics
Accidental access channel parameter list selects threshold information, determines the coverage enhancement grade where the terminal.
25. the selection method of the physical accidental access channel parameter information according to claim 17 or 20, which is characterized in that
Further include：
Terminal is according to the performance number corresponding with its own power grade of terminal maximum transmission power value in this cell and the object
It manages accidental access channel parameter list and selects threshold information, determine the coverage enhancement grade where the terminal.
26. the selection method of physical accidental access channel parameter information according to claim 17, which is characterized in that
If the measured value of the reference signal of terminal-pair network side or the reception power of synchronizing signal connects less than the physical accidental
Enter the corresponding physical accidental access channel parameter list selection doors of coverage enhancement grade N in channel parameter list selection threshold information
Between limit value and power compensating value and value, then terminal thinks it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is that coverage enhancement number of levels or maximum are covered
Lid level value.
27. the selection method of physical accidental access channel parameter information according to claim 17, which is characterized in that
If between the measured value and power compensating value of the reference signal of terminal-pair network side or the reception power of synchronizing signal
Difference is less than the corresponding physical accidentals of coverage enhancement grade N in physical accidental access channel parameter list selection threshold information
It accesses channel parameter list and selects threshold value, then terminal thinks it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is that coverage enhancement number of levels or maximum are covered
Lid level value.
28. the selection method of physical accidental access channel parameter information according to claim 17, which is characterized in that
If the measured value of the reference signal of terminal-pair network side or the reception power of synchronizing signal connects more than the physical accidental
Enter the corresponding physical accidental access channel parameter list selection doors of coverage enhancement grade N in channel parameter list selection threshold information
Between limit value and power compensating value and value, then terminal thinks it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is that coverage enhancement number of levels or maximum are covered
Lid level value.
29. the selection method of physical accidental access channel parameter information according to claim 17, which is characterized in that
If between the measured value and power compensating value of the reference signal of terminal-pair network side or the reception power of synchronizing signal
Difference is more than the corresponding physical accidentals of coverage enhancement grade N in physical accidental access channel parameter list selection threshold information
It accesses channel parameter list and selects threshold value, then terminal thinks it in coverage enhancement grade N；
Wherein, the value range of N is { 1 ... maxCE-Level }, and maxCE-Level is that coverage enhancement number of levels or maximum are covered
Lid level value.
30. the selection method of the physical accidental access channel parameter information according to any one of claim 26 to 29,
It is characterized in that, further including：
The power compensating value is equal to the corresponding performance number of reference power grade performance number corresponding with terminal own power grade
Between difference；
Or the power compensating value is corresponding with terminal own power grade equal to terminal maximum transmission power value in this cell
Difference between performance number.
31. the selection method of the physical accidental access channel parameter information according to any one of claim 20 to 29,
It is characterized in that, further including：
Terminal is read according to determining coverage enhancement grade in the physical accidental access channel parameter list information to be covered with described
The corresponding physical accidental access channel parameter information of lid enhancing grade.
32. the selection method of physical accidental access channel parameter information according to claim 31, which is characterized in that also wrap
It includes：
Terminal initiates random access request according to the physical accidental access channel parameter information.
33. a kind of network side equipment, which is characterized in that including：
Sending module, for sending physical accidental access channel parameter list selection threshold information, Physical Random Access Channel ginseng
Number list information and physical accidental access channel parameter information；Or for sending physical accidental access channel parameter list selection
Thresholding list information sends physical accidental access channel parameter list selection threshold information, physical accidental access channel parameter row
Table information and physical accidental access channel parameter information.
34. a kind of terminal, which is characterized in that including：
Receiving module, for receive network side transmission physical accidental access channel parameter list selection threshold information, physics with
Machine accesses channel parameter list information and physical accidental access channel parameter information；Or for receiving Physical Random Access Channel
Parameter list selection thresholding list information, transmission physical accidental access channel parameter list selection threshold information, physical accidental connect
Enter channel parameter list information and physical accidental access channel parameter information.
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| PCT/CN2018/078016 WO2018192310A1 (en) | 2017-04-21 | 2018-03-05 | Configuration method for physical random access channel parameters, information selection method for physical random access channel parameters, network side device and terminal |
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| CN201710265631.XA CN108738141B (en) | 2017-04-21 | 2017-04-21 | Method for configuring physical random access channel parameters, network side equipment and terminal |
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| CN108738141B (en) | 2020-04-17 |
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