CN106851840A - One kind sends critical system information methods, devices and systems - Google Patents
One kind sends critical system information methods, devices and systems Download PDFInfo
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- CN106851840A CN106851840A CN201710178738.0A CN201710178738A CN106851840A CN 106851840 A CN106851840 A CN 106851840A CN 201710178738 A CN201710178738 A CN 201710178738A CN 106851840 A CN106851840 A CN 106851840A
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- time
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- system information
- critical system
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
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- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
Abstract
Present disclose provides a kind of methods, devices and systems for sending critical system information, belong to communication technical field.Methods described includes：Whenever the first predetermined period is reached, base station obtains Part II critical system information；The base station sends the Part II critical system information by the default time/frequency source block in Physical Downlink Shared Channel PDSCH.Using the disclosure, terminal can be made to get Part II critical system information.
Description
Technical field
This disclosure relates to communication technical field, more particularly to a kind of to send critical system information methods, devices and systems.
Background technology
Terminal is in RRC_CONNECTED, and (Radio Resource Control CONNECTED, wireless heterogeneous networks connect
Connect) state, and when switching to another cell from current area, or terminal switches to RRC_CONNECTED from RRC_IDLE states
During state, terminal needs to initiate random access request to base station, it is necessary to obtain critical system before terminal Stochastic accessing base station
Information, for Stochastic accessing, general base station is periodic broadcast critical system information.
At present in the standard discussion of 3GPP, critical system information is divided into two parts, Part I critical system information
With Part II critical system information, wherein, Part I critical system information include System Frame Number, system bandwidth and antenna end
Mouthful number etc., relevant information that Part II critical system information is accessed including cell, common radio resources configuration information etc..
General base station can send critical system and believe by PBCH (Physical Broadcast Channel, Physical Broadcast Channel)
Breath, but due to the finite capacity of PBCH, it is more likely that after putting down Part I critical system information, fail to lay down Part II pass
Key system information, causes terminal to get Part II critical system information.
The content of the invention
In order to overcome problem present in correlation technique, present disclose provides it is a kind of send critical system information method,
Device and system.The technical scheme is as follows：
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of method of transmission critical system information, methods described bag
Include：
Whenever the first predetermined period is reached, base station obtains Part II critical system information；
The base station sends described second by the default time/frequency source block in Physical Downlink Shared Channel PDSCH
Partial key system information.
Optionally, methods described also includes：
Whenever the second predetermined period is reached, the base station obtains Part I critical system information, wherein, described second
Predetermined period is less than first predetermined period；
The base station sends the Part I critical system information and described second by Physical Broadcast Channel PBCH
Divide the resource scheduling information of critical system information, wherein, the resource scheduling information includes that the time domain of the time/frequency source block is believed
Breath, the time-domain information is the symbol logo of the time/frequency source block.
So, can be with more flexible use time/frequency source block.
Optionally, the resource scheduling information also includes the frequency domain information of the time/frequency source block, and the frequency domain information is
The frequency range of the time/frequency source block.
So, can be with more flexible use time/frequency source block.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of method of transmission critical system information, methods described bag
Include：
Whenever the first predetermined period is reached, terminal receives second in positioned at PDSCH in default time/frequency source block
Divide critical system information.
Optionally, methods described also includes：
Whenever the second predetermined period is reached, the terminal receives the Part I key that the base station sends on PBCH
The resource scheduling information of system information and the Part II critical system information, wherein, the resource scheduling information includes institute
State the time-domain information of time/frequency source block.
Optionally, described whenever the first predetermined period is reached, terminal is in positioned at PDSCH in default time/frequency source block
Part II critical system information is received, including：
Whenever the first predetermined period is reached, the terminal is based on the time-domain information and described second prestored
The frequency domain information of point critical system information, receives Part II critical system information, wherein, the time-domain information and the frequency domain
The corresponding time/frequency source block of information is located at PDSCH.
So, transfer resource can be saved.
Optionally, the frequency domain information of the time/frequency source block is also included in the resource scheduling information；
It is described whenever the first predetermined period is reached, terminal receives in positioned at PDSCH in default time/frequency source block
Two Partial key system informations, including：
Whenever the first predetermined period is reached, the terminal be based on the time-domain information that includes of the resource scheduling information and
Frequency domain information, receives Part II critical system information, wherein, the time-domain information and the corresponding time-frequency of the frequency domain information are provided
Source block is located at PDSCH.
So, can be with more flexible use time/frequency source block.
Optionally, the time-domain information is the symbol logo of the time/frequency source block, and the frequency domain information is the time-frequency
The frequency range of Resource Block.
Optionally, the frequency range is the frequency range with the centre frequency of carrier wave as median；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as higher limit；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as lower limit.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of base station, including：
Acquisition module, for whenever the first predetermined period is reached, obtaining Part II critical system information；
Sending module, for by the default time/frequency source block in Physical Downlink Shared Channel PDSCH, sending described
Part II critical system information.
Optionally, the acquisition module, is additionally operable to：
Whenever the second predetermined period is reached, Part I critical system information is obtained, wherein, second predetermined period
Less than first predetermined period；
The sending module, for by Physical Broadcast Channel PBCH, send the Part I critical system information and
The resource scheduling information of the Part II critical system information, wherein, the resource scheduling information includes the running time-frequency resource
The time-domain information of block, the time-domain information is the symbol logo of the time/frequency source block.
Optionally, the resource scheduling information also includes the frequency domain information of the time/frequency source block, and the frequency domain information is
The frequency range of the time/frequency source block.
According to the fourth aspect of the embodiment of the present disclosure, there is provided a kind of terminal, including：
Receiver module, for whenever the first predetermined period is reached, being connect in default time/frequency source block in positioned at PDSCH
Receive Part II critical system information.
Optionally, the receiver module, is additionally operable to：
Whenever the second predetermined period is reached, the Part I critical system information that the base station sends is received on PBCH
With the resource scheduling information of the Part II critical system information, wherein, the resource scheduling information include the time-frequency money
The time-domain information of source block.
Optionally, the receiver module, is used for：
Whenever the first predetermined period is reached, based on the time-domain information and the crucial system of the Part II for prestoring
The frequency domain information of system information, receives Part II critical system information, wherein, the time-domain information is corresponding with the frequency domain information
Time/frequency source block be located at PDSCH.
Optionally, the frequency domain information of the time/frequency source block is also included in the resource scheduling information；
The receiver module, is used for：
Whenever the first predetermined period is reached, time-domain information and the frequency domain letter included based on the resource scheduling information
Breath, receives Part II critical system information, wherein, the time-domain information and the frequency domain information corresponding time/frequency source block position
In PDSCH.
Optionally, the time-domain information is the symbol logo of the time/frequency source block, and the frequency domain information is the time-frequency
The frequency range of Resource Block.
Optionally, the frequency range is the frequency range with the centre frequency of carrier wave as median；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as higher limit；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as lower limit.
A kind of the 5th aspect according to the embodiment of the present disclosure, there is provided base station, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
Whenever the first predetermined period is reached, Part II critical system information is obtained；
By the default time/frequency source block in Physical Downlink Shared Channel PDSCH, the Part II is sent crucial
System information.
A kind of the 6th aspect according to the embodiment of the present disclosure, there is provided terminal, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
Whenever the first predetermined period is reached, Part II pass is received in default time/frequency source block in positioned at PDSCH
Key system information.
The 7th aspect according to the embodiment of the present disclosure, there is provided a kind of system for sending critical system information, the system bag
Base station and terminal are included, wherein：
The base station, for whenever the first predetermined period is reached, obtaining Part II critical system information；By being located at
Default time/frequency source block in Physical Downlink Shared Channel PDSCH, sends the Part II critical system information；
The terminal, for whenever the first predetermined period is reached, being connect in default time/frequency source block in positioned at PDSCH
Receive Part II critical system information.
The technical scheme provided by this disclosed embodiment can include the following benefits：
In the embodiment of the present disclosure, base station obtains Part II critical system information whenever the first predetermined period is reached, and leads to
Cross positioned at default time/frequency source block in PDSCH, send Part II critical system information, terminal is default all whenever reaching first
During the phase, Part II critical system information is received in default time/frequency source block in positioned at PDSCH.So, Part II is closed
Key system information sends in positioned at PDSCH in default time/frequency source block, and terminal can connect in default time/frequency source block
Part II critical system information is received, so that terminal can get Part II critical system information.
In the embodiment of the present disclosure, it should be appreciated that the general description of the above and detailed description hereinafter are only exemplary
With it is explanatory, the disclosure can not be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and it is used to explain the principle of the disclosure together with specification.In the accompanying drawings：
Fig. 1 is a kind of system schematic of the transmission critical system information according to an exemplary embodiment；
Fig. 2 is a kind of flow chart of the method for the transmission critical system information according to an exemplary embodiment；
Fig. 3 is a kind of schematic diagram of the time/frequency source block according to an exemplary embodiment；
Fig. 4 is a kind of schematic diagram of the time/frequency source block according to an exemplary embodiment；
Fig. 5 is a kind of structural representation of the base station according to an exemplary embodiment；
Fig. 6 is a kind of structural representation of the terminal according to an exemplary embodiment；
Fig. 7 is a kind of structural representation of the base station according to an exemplary embodiment；
Fig. 8 is a kind of structural representation of the terminal according to an exemplary embodiment.
By above-mentioned accompanying drawing, it has been shown that the clear and definite embodiment of the disclosure, will hereinafter be described in more detail.These accompanying drawings
It is not intended to limit the scope that the disclosure is conceived by any mode with word description, but is by reference to specific embodiment
Those skilled in the art illustrate the concept of the disclosure.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the present disclosure provides a kind of method for sending critical system information, as shown in figure 1, the method can be by end
End and base station are realized jointly.Wherein, terminal is mobile phone etc., and processor, transceiver and memory etc., processor are provided with terminal
Can be used for performing the relevant treatment for sending critical system information, transceiver can be used for receiving and sending data, memory
Can be used for storage and send the data and issuable data received during critical system information.It is provided with base station
Processor, transceiver and memory etc., processor can be used for performing the relevant treatment for sending critical system information, and transceiver can
For receiving and sending data, memory can be used for storage send the data that are received during critical system information with
And issuable data.
As shown in Fig. 2 the handling process of the method can include the steps：
In step 201, whenever the first predetermined period is reached, base station obtains Part II critical system information.
Wherein, the first predetermined period can be set by technical staff, and store into base station, such as 80ms.Second
Relevant information that point critical system information is accessed including cell, common radio resources configuration information etc..
In force, base station can persistently detect whether to reach the first predetermined period, whenever the first predetermined period is reached,
Current Part II critical system information can be obtained.For example, the first predetermined period is 80ms, base station can every 80ms,
Obtain current Part II critical system information.
In step 202., base station sends Part II critical system by the default time/frequency source block in PDSCH
Information.
In force, Part II critical system information can be mapped to PDSCH (Physical Downlink by base station
Shared Channel, Physical Downlink Shared Channel) in default time/frequency source block, then using the mode of beam scanning,
Send Part II critical system information.For example, as shown in figure 3, in a RB (Resource Block, Resource Block)
Can be set to for the time/frequency source block of most latter two symbol in a RB by PDSCH five symbols after occupying, technical staff
Default time/frequency source block, the time-frequency that Part II critical system information can be passed through most latter two symbol in a RB by base station
Resource Block sends to terminal.
It should be noted that default time/frequency source block is belonging in the subframe determined in default radio frames in PDSCH.
Default time/frequency source block can be used for base station to terminal transmission when Part II critical system information is not sent in PDSCH
Data etc..
In step 203, terminal is whenever the first predetermined period is reached, in the default time/frequency source block in PDSCH
Upper reception Part II critical system information.
In force, terminal after powering, can detect master sync signal and auxiliary synchronous signals, obtain accurate with cell
Time and Frequency Synchronization, default time/frequency source block carries out channel demodulation in being then pointed to PDSCH, receives Part II critical system letter
Breath, in receipt of subsequent Part II critical system information, can be pointed in PDSCH whenever the first predetermined period is reached
Default time/frequency source block carries out channel demodulation, receives Part II critical system information.For example, technical staff is in advance in base station
With symbol logo and frequency range that time/frequency source block is preset in PDSCH is stored in terminal, terminal can provide in time-frequency
Part II critical system information is received in the corresponding time/frequency source block of symbol logo and frequency range of source block.
Optionally, base station is additionally provided in the embodiment of the present disclosure and sends Part I critical system information and second to terminal
The method of the resource scheduling information of Partial key system information, corresponding treatment can be as follows：
Whenever the second predetermined period is reached, base station obtains Part I critical system information, wherein, the second predetermined period
Less than the first predetermined period；Base station sends Part I critical system information and Part II by Physical Broadcast Channel PBCH
The resource scheduling information of critical system information, wherein, resource scheduling information includes the time-domain information of time/frequency source block, time-domain information
It is the symbol logo of time/frequency source block.
Wherein, Part I critical system information is including the number of System Frame Number, system bandwidth and antenna port etc..Second
Predetermined period can be set by technical staff, and store into base station, and general second predetermined period is less than the first predetermined period,
Such as the second predetermined period is 40ms, the first predetermined period is 80ms.Can be provided including default time-frequency in resource scheduling information
The time-domain information of source block, so that terminal can receive the crucial system of Part II from the corresponding time/frequency source block of the time-domain information
System information.
In force, base station can determine Part I critical system information every the second predetermined period, then by first
Partial key system information is mapped on PBCH, and obtains the scheduling of resource letter of the Part II critical system information that will be sent
Breath, the resource scheduling information is also mapped on PBCH, is then based on the mode of beam scanning, and Part I is sent by PBCH
The resource scheduling information of critical system information and Part II critical system information.For example, the first predetermined period is 80ms, second
Predetermined period is 40ms, and Part I critical system information may only send once in the second predetermined period, it is also possible to weight
Recurrence is sent repeatedly (as sent a Part I critical system information per 10ms), it is also possible to sends multiple, repeatedly sends
The summation of information is that Part I critical system information (sends primary information per 10ms, sends four times altogether, the summation of four times is
Part I critical system information), when repeating to send multiple for Part I critical system information, Part II is crucial
The resource scheduling information of system information can be first in arbitrarily once middle transmission, the summation for repeatedly sending and repeatedly send
The situation of Partial key system information, the resource scheduling information of Part II critical system information can be when last time sends
Send.
It should be noted that if the second predetermined period were the integral multiple of the first predetermined period, Part II critical system
The schedule information of information need not be sent in each first predetermined period, can send Part II critical system information it
Preceding first predetermined period sends.For example, the first predetermined period is 80ms, the second predetermined period is 40ms, if first
Put identical between at the beginning of secondary transmission Part I critical system information and Part II critical system information, then base station can be
First scheduling of resource letter of the Part II critical system information of the first predetermined period is sent in second the second predetermined period
Breath.
Optionally, terminal can receive the money of Part I critical system information and Part II critical system information
Source schedule information, corresponding treatment can be as follows：
Whenever the second predetermined period is reached, terminal receives the Part I critical system information of base station transmission on PBCH
With the resource scheduling information of Part II critical system information, wherein, the time domain of resource scheduling information including time/frequency source block is believed
Breath.
In force, terminal after powering, can detect master sync signal and auxiliary synchronous signals, obtain accurate with cell
Time and Frequency Synchronization, then receives Part I critical system information and Part II critical system information that base station sends on PBCH
Resource scheduling information, in receipt of subsequent Part I critical system information and the scheduling of resource of Part II critical system information
During information, Part I critical system information can be received on PBCH and Part II is crucial whenever the second predetermined period
The resource scheduling information of system information.
Optionally, the time-domain information that terminal is also based in resource scheduling information and the frequency domain information for prestoring, connect
Part II critical system information is received, the treatment of corresponding step 203 can be as follows：
Whenever the first predetermined period is reached, terminal is based on time-domain information and the Part II critical system letter for prestoring
The frequency domain information of breath, receives Part II critical system information, wherein, time-domain information and the corresponding time/frequency source block of frequency domain information
Positioned at PDSCH.
Wherein, the frequency domain information of Part II critical system information can be set by technical staff, and store to base station
In, such as frequency domain information is the frequency range of time/frequency source block.The corresponding time-domain information of Part II critical system information and frequency
The corresponding time/frequency source block of domain information is in PDSCH.
In force, after terminal gets the resource scheduling information of Part II critical system information, it can be got
The time-domain information of the default time/frequency source block for including, then can obtain the Part II critical system information for prestoring
Frequency domain information, whenever the first predetermined period is reached, terminal can find current time-domain information and frequency domain information is corresponding
Time/frequency source block, then demodulates Part II critical system information from the time/frequency source block.
It should be noted that base station can send the resource of Part II critical system information in each first predetermined period
Schedule information, when receiving Part II critical system information every time, according to the Part II critical system information for currently getting
Resource scheduling information, corresponding time/frequency source block is found based on time-domain information therein and the frequency domain information that prestores, from
Part II critical system information is demodulated in the time/frequency source block.
Optionally, the frequency of default time/frequency source block is also included in the resource scheduling information of Part II critical system information
Domain information, the treatment of corresponding step 203 can be as follows：
Whenever the first predetermined period is reached, terminal is based on the time-domain information and frequency domain letter that resource scheduling information includes
Breath, receives Part II critical system information, wherein, time-domain information and the corresponding time/frequency source block of frequency domain information are located at PDSCH.
In force, default time/frequency source block is also included in the resource scheduling information of Part II critical system information
Frequency domain information, so, terminal can get when the resource scheduling information of Part II critical system information is received
The time-domain information and frequency domain information of Part II critical system information.Whenever the first predetermined period is reached, terminal can basis
Time-domain information and frequency domain information in resource scheduling information, find corresponding time/frequency source block, then from the time/frequency source block
Upper demodulation Part II critical system information.
It should be noted that base station can send the resource of Part II critical system information in each first predetermined period
Schedule information, when receiving Part II critical system information every time, according to the Part II critical system information for currently getting
Resource scheduling information, based on time-domain information therein and frequency domain information, corresponding time/frequency source block is found, from the running time-frequency resource
Part II critical system information is demodulated on block.
Optionally, time-domain information is the symbol logo of time/frequency source block, and frequency domain information is the frequency range of time/frequency source block.
In force, time-domain information can be the symbol logo of time/frequency source block, and terminal can determine that using the symbol logo
Go out corresponding time/frequency source block, for example, as shown in figure 4, including 7 OFDM (Orthogonal in time domain with a RB
Frequency Division Multiplexing, OFDM) symbol, comprising as a example by 12 subcarriers on frequency domain, when
The symbol logo of frequency Resource Block be l=5,6, represent OFDM symbol be a RB in most next two columns time/frequency source block.
Frequency domain information is the frequency range of time/frequency source block, is such as located at the frequency model of default time/frequency source block in PDSCH
It is 1.5MHz~2MHz etc. to enclose, and the frequency range can be one, or multiple, such as 1.5MHz~1.7MHz and 2MHz~
2.1MHz。
Optionally, when frequency domain information mentioned above is frequency domain, frequency domain information can be divided into following three kinds：
First, the frequency range with the centre frequency of carrier wave as median.
In force, the centre frequency of carrier wave has been prestored in terminal and base station, Part II critical system information
Frequency domain information is the frequency range with the centre frequency of carrier wave as median, for example, the centre frequency of carrier wave is 5MHz, frequency model
It is 2MHz~8MHz to enclose, and Part II critical system information can be mapped in the time/frequency source block that frequency range is 2MHz~8MHz
On.
Second, the frequency range with the centre frequency of carrier wave as higher limit.
In force, the centre frequency of carrier wave has been prestored in terminal and base station, Part II critical system information
Frequency domain information is the frequency range with the centre frequency of carrier wave as higher limit, for example, the centre frequency of carrier wave is 5MHz, frequency model
It is 2MHz~5MHz to enclose, and Part II critical system information can be mapped in the time/frequency source block that frequency range is 2MHz~5MHz
On.
3rd, the frequency range with the centre frequency of carrier wave as lower limit.
In force, the centre frequency of carrier wave has been prestored in terminal and base station, Part II critical system information
Frequency domain information is the frequency range with the centre frequency of carrier wave as lower limit, for example, the centre frequency of carrier wave is 5MHz, frequency model
It is 5MHz~8MHz to enclose, and Part II critical system information can be mapped in the time/frequency source block that frequency range is 5MHz~8MHz
On.
It should be noted that when frequency domain information mentioned above is the frequency range of time/frequency source block, if frequency range
In include DC (Direct Current, direct current) subcarrier where frequency range frequency, due to be cannot be used on DC subcarriers
Mapping data, so cannot be used for mapping Part II critical system information on DC subcarriers.
In the embodiment of the present disclosure, base station obtains Part II critical system information whenever the first predetermined period is reached, and leads to
Cross positioned at default time/frequency source block in PDSCH, send Part II critical system information, terminal is default all whenever reaching first
During the phase, Part II critical system information is received in default time/frequency source block in positioned at PDSCH.So, Part II is closed
Key system information sends in positioned at PDSCH in default time/frequency source block, and terminal can connect in default time/frequency source block
Part II critical system information is received, so that terminal can get Part II critical system information.
Based on identical technology design, the exemplary embodiment of the disclosure one additionally provides a kind of base station, as shown in figure 5, should
Base station includes：
Acquisition module 510, for whenever the first predetermined period is reached, obtaining Part II critical system information；
Sending module 520, for by the default time/frequency source block in Physical Downlink Shared Channel PDSCH, sending
The Part II critical system information.
Optionally, the acquisition module 510, is additionally operable to：
Whenever the second predetermined period is reached, Part I critical system information is obtained, wherein, second predetermined period
Less than first predetermined period；
The sending module 520, for by Physical Broadcast Channel PBCH, sending the Part I critical system information
With the resource scheduling information of the Part II critical system information, wherein, the resource scheduling information include the time-frequency money
The time-domain information of source block, the time-domain information is the symbol logo of the time/frequency source block.
Optionally, the resource scheduling information also includes the frequency domain information of the time/frequency source block, and the frequency domain information is
The frequency range of the time/frequency source block.
In the embodiment of the present disclosure, base station obtains Part II critical system information whenever the first predetermined period is reached, and leads to
Cross positioned at default time/frequency source block in PDSCH, send Part II critical system information, terminal is default all whenever reaching first
During the phase, Part II critical system information is received in default time/frequency source block in positioned at PDSCH.So, Part II is closed
Key system information sends in positioned at PDSCH in default time/frequency source block, and terminal can connect in default time/frequency source block
Part II critical system information is received, so that terminal can get Part II critical system information.
It should be noted that：Above-described embodiment provide base station send critical system information when, only with above-mentioned each function
The division of module is carried out for example, in practical application, as needed can distribute by different function moulds above-mentioned functions
Block is completed, will the internal structure of base station be divided into different functional modules, to complete all or part of work(described above
Energy.In addition, above-described embodiment base station for providing and the embodiment of the method for sending critical system information belong to same design, its is specific
Implementation process refers to embodiment of the method, repeats no more here.
Based on identical technology design, the exemplary embodiment of the disclosure one additionally provides a kind of terminal, as shown in fig. 6, should
Terminal includes：
Receiver module 610, for whenever the first predetermined period is reached, in the default time/frequency source block in PDSCH
Upper reception Part II critical system information.
Optionally, the receiver module 610, is additionally operable to：
Whenever the second predetermined period is reached, the Part I critical system information that the base station sends is received on PBCH
With the resource scheduling information of the Part II critical system information, wherein, the resource scheduling information include the time-frequency money
The time-domain information of source block.
Optionally, the receiver module 610, is used for：
Whenever the first predetermined period is reached, based on the time-domain information and the crucial system of the Part II for prestoring
The frequency domain information of system information, receives Part II critical system information, wherein, the time-domain information is corresponding with the frequency domain information
Time/frequency source block be located at PDSCH.
Optionally, the frequency domain information of the time/frequency source block is also included in the resource scheduling information；
The receiver module 610, is used for：
Whenever the first predetermined period is reached, time-domain information and the frequency domain letter included based on the resource scheduling information
Breath, receives Part II critical system information, wherein, the time-domain information and the frequency domain information corresponding time/frequency source block position
In PDSCH.
Optionally, the time-domain information is the symbol logo of the time/frequency source block, and the frequency domain information is the time-frequency
The frequency range of Resource Block.
Optionally, the frequency range is the frequency range with the centre frequency of carrier wave as median；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as higher limit；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as lower limit.
In the embodiment of the present disclosure, base station obtains Part II critical system information whenever the first predetermined period is reached, and leads to
Cross positioned at default time/frequency source block in PDSCH, send Part II critical system information, terminal is default all whenever reaching first
During the phase, Part II critical system information is received in default time/frequency source block in positioned at PDSCH.So, Part II is closed
Key system information sends in positioned at PDSCH in default time/frequency source block, and terminal can connect in default time/frequency source block
Part II critical system information is received, so that terminal can get Part II critical system information.
It should be noted that：Above-described embodiment provide terminal send critical system information when, only with above-mentioned each function
The division of module is carried out for example, in practical application, as needed can distribute by different function moulds above-mentioned functions
Block is completed, will the internal structure of terminal be divided into different functional modules, to complete all or part of work(described above
Energy.In addition, above-described embodiment terminal for providing and the embodiment of the method for sending critical system information belong to same design, its is specific
Implementation process refers to embodiment of the method, repeats no more here.
The another exemplary embodiment of the disclosure provides a kind of structural representation of base station.Reference picture 7, base station 700 includes
Processing assembly 1922, it further includes one or more processors, and the memory resource as representated by memory 1932,
Can be by the instruction of the execution of processing component 1922, such as application program for storing.The application program stored in memory 1932
Can include it is one or more each correspond to the module of one group of instruction.Additionally, processing assembly 1922 is configured as
Execute instruction, the method to perform above-mentioned display usage record.
Base station 700 can also include that a power supply module 1926 is configured as performing the power management of base station 700, and one has
Line or radio network interface 1950 are configured as base station 700 being connected to network, and input and output (I/O) interface 1958.
Base station 700 can operate the operating system in memory 1932, such as Windows ServerTM, Mac OS based on storage
XTM, UnixTM, LinuxTM, FreeBSDTM or similar.
Base station 700 can include memory, and one or more than one program, one of them or one with
Upper program storage is configured to by one or more than one computing device one or more than one journey in memory
Sequence includes the instruction for carrying out following operation：
Whenever the first predetermined period is reached, base station obtains Part II critical system information；
The base station sends described second by the default time/frequency source block in Physical Downlink Shared Channel PDSCH
Partial key system information.
Optionally, methods described also includes：
Whenever the second predetermined period is reached, the base station obtains Part I critical system information, wherein, described second
Predetermined period is less than first predetermined period；
The base station sends the Part I critical system information and described second by Physical Broadcast Channel PBCH
Divide the resource scheduling information of critical system information, wherein, the resource scheduling information includes that the time domain of the time/frequency source block is believed
Breath, the time-domain information is the symbol logo of the time/frequency source block.
Optionally, the resource scheduling information also includes the frequency domain information of the time/frequency source block, and the frequency domain information is
The frequency range of the time/frequency source block.
In the embodiment of the present disclosure, base station obtains Part II critical system information whenever the first predetermined period is reached, and leads to
Cross positioned at default time/frequency source block in PDSCH, send Part II critical system information, terminal is default all whenever reaching first
During the phase, Part II critical system information is received in default time/frequency source block in positioned at PDSCH.So, Part II is closed
Key system information sends in positioned at PDSCH in default time/frequency source block, and terminal can connect in default time/frequency source block
Part II critical system information is received, so that terminal can get Part II critical system information.
Disclosure another exemplary embodiment provides a kind of structural representation of terminal.The terminal can be mobile phone etc..
Reference picture 8, terminal 800 can include following one or more assemblies：Processing assembly 802, memory 804, power supply
Component 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of input/output (I/O), sensor cluster 814, and
Communication component 816, traveling member 818.
The integrated operation of the usual control terminal 800 of processing assembly 802, such as with display, call, data communication, phase
Machine is operated and the associated operation of record operation.Treatment element 802 can refer to including one or more processors 820 to perform
Order, to complete all or part of step of above-mentioned method.Additionally, processing assembly 802 can include one or more modules, just
Interaction between processing assembly 802 and other assemblies.For example, processing component 802 can include multi-media module, it is many to facilitate
Interaction between media component 808 and processing assembly 802.
Memory 804 is configured as storing various types of data supporting the operation in terminal 800.These data are shown
Example includes the instruction for any application program or method operated in terminal 800, and contact data, telephone book data disappears
Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) is erasable to compile
Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash
Device, disk or CD.
Electric power assembly 806 provides electric power for the various assemblies of terminal 800.Electric power assembly 806 can include power management system
System, one or more power supplys, and other generate, manage and distribute the component that electric power is associated with for audio output apparatus 800.
Multimedia groupware 808 is included in one screen of output interface of offer between the terminal 800 and user.One
In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch sensings
Device is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or sliding action
Border, but also detection and the touch or slide related duration and pressure.In certain embodiments, many matchmakers
Body component 808 includes a front camera and/or rear camera.When terminal 800 be in operator scheme, such as screening-mode or
During video mode, front camera and/or rear camera can receive outside multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or with focusing and optical zoom capabilities.
Audio-frequency assembly 810 is configured as output and/or input audio signal.For example, audio-frequency assembly 810 includes a Mike
Wind (MIC), when audio output apparatus 800 are in operator scheme, such as call model, logging mode and speech recognition mode, wheat
Gram wind is configured as receiving external audio signal.The audio signal for being received can be further stored in memory 804 or warp
Sent by communication component 816.
, to provide interface between processing assembly 802 and peripheral interface module, above-mentioned peripheral interface module can for I/O interfaces 812
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 814 includes one or more sensors, and the state for providing various aspects for terminal 800 is commented
Estimate.For example, sensor cluster 814 can detect the opening/closed mode of terminal 800, the relative positioning of component is for example described
Component is the display and keypad of terminal 800, and sensor cluster 814 can also detect 800 1 components of terminal 800 or terminal
Position change, user is presence or absence of with what terminal 800 was contacted, the orientation of terminal 800 or acceleration/deceleration and terminal 800
Temperature change.Sensor cluster 814 can include proximity transducer, be configured to be detected when without any physical contact
The presence of neighbouring object.Sensor cluster 814 can also include optical sensor, such as CMOS or ccd image sensor, for into
As being used in application.In certain embodiments, the sensor cluster 814 can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between terminal 800 and other equipment.Terminal
800 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary implementation
In example, communication component 816 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 816 also includes near-field communication (NFC) module, to promote junction service.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
Traveling member 818 is advanced for terminal, such as wheel.
In the exemplary embodiment, terminal 800 can be by one or more application specific integrated circuits (ASIC), numeral letter
Number processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components realization, for performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 804 of instruction, above-mentioned instruction can be performed to complete the above method by the processor 820 of terminal 800.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is held by the processor of terminal
During row so that terminal is able to carry out above-mentioned method, the method includes：
Whenever the first predetermined period is reached, terminal receives second in positioned at PDSCH in default time/frequency source block
Divide critical system information.
Optionally, methods described also includes：
Whenever the second predetermined period is reached, the terminal receives the Part I key that the base station sends on PBCH
The resource scheduling information of system information and the Part II critical system information, wherein, the resource scheduling information includes institute
State the time-domain information of time/frequency source block.
Optionally, described whenever the first predetermined period is reached, terminal is in positioned at PDSCH in default time/frequency source block
Part II critical system information is received, including：
Whenever the first predetermined period is reached, the terminal is based on the time-domain information and described second prestored
The frequency domain information of point critical system information, receives Part II critical system information, wherein, the time-domain information and the frequency domain
The corresponding time/frequency source block of information is located at PDSCH.
Optionally, the frequency domain information of the time/frequency source block is also included in the resource scheduling information；
It is described whenever the first predetermined period is reached, terminal receives in positioned at PDSCH in default time/frequency source block
Two Partial key system informations, including：
Whenever the first predetermined period is reached, the terminal be based on the time-domain information that includes of the resource scheduling information and
Frequency domain information, receives Part II critical system information, wherein, the time-domain information and the corresponding time-frequency of the frequency domain information are provided
Source block is located at PDSCH.
Optionally, the time-domain information is the symbol logo of the time/frequency source block, and the frequency domain information is the time-frequency
The frequency range of Resource Block.
Optionally, the frequency range is the frequency range with the centre frequency of carrier wave as median；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as higher limit；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as lower limit.
In the embodiment of the present disclosure, base station obtains Part II critical system information whenever the first predetermined period is reached, and leads to
Cross positioned at default time/frequency source block in PDSCH, send Part II critical system information, terminal is default all whenever reaching first
During the phase, Part II critical system information is received in default time/frequency source block in positioned at PDSCH.So, Part II is closed
Key system information sends in positioned at PDSCH in default time/frequency source block, and terminal can connect in default time/frequency source block
Part II critical system information is received, so that terminal can get Part II critical system information.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the disclosure is not limited to the precision architecture for being described above and being shown in the drawings, and
And can without departing from the scope carry out various modifications and changes.The scope of the present disclosure is only limited by appended claim.
Claims (21)
1. it is a kind of send critical system information method, it is characterised in that methods described includes：
Whenever the first predetermined period is reached, base station obtains Part II critical system information；
The base station sends the Part II by the default time/frequency source block in Physical Downlink Shared Channel PDSCH
Critical system information.
2. method according to claim 1, it is characterised in that methods described also includes：
Whenever the second predetermined period is reached, the base station obtains Part I critical system information, wherein, described second presets
Cycle is less than first predetermined period；
The base station sends the Part I critical system information and the Part II is closed by Physical Broadcast Channel PBCH
The resource scheduling information of key system information, wherein, the resource scheduling information includes the time-domain information of the time/frequency source block, institute
State the symbol logo that time-domain information is the time/frequency source block.
3. method according to claim 2, it is characterised in that the resource scheduling information also includes the time/frequency source block
Frequency domain information, the frequency domain information is the frequency range of the time/frequency source block.
4. it is a kind of send critical system information method, it is characterised in that methods described includes：
Whenever the first predetermined period is reached, terminal receives Part II in positioned at PDSCH and closes in default time/frequency source block
Key system information.
5. method according to claim 4, it is characterised in that methods described also includes：
Whenever the second predetermined period is reached, the terminal receives the Part I critical system that the base station sends on PBCH
The resource scheduling information of information and the Part II critical system information, wherein, when the resource scheduling information includes described
The time-domain information of frequency Resource Block.
6. method according to claim 5, it is characterised in that described whenever the first predetermined period is reached, terminal is in place
Part II critical system information is received in default time/frequency source block in PDSCH, including：
Whenever the first predetermined period is reached, the terminal is based on the time-domain information and the Part II pass for prestoring
The frequency domain information of key system information, receives Part II critical system information, wherein, the time-domain information and the frequency domain information
Corresponding time/frequency source block is located at PDSCH.
7. method according to claim 5, it is characterised in that also include the running time-frequency resource in the resource scheduling information
The frequency domain information of block；
It is described whenever the first predetermined period is reached, terminal in positioned at PDSCH in default time/frequency source block receive second
Divide critical system information, including：
Whenever the first predetermined period is reached, the terminal is based on the time-domain information and frequency domain that the resource scheduling information includes
Information, receives Part II critical system information, wherein, the time-domain information and the corresponding time/frequency source block of the frequency domain information
Positioned at PDSCH.
8. the method according to claim 6 or 7, it is characterised in that the time-domain information is the symbol of the time/frequency source block
Number mark, the frequency domain information is the frequency range of the time/frequency source block.
9. method according to claim 8, it is characterised in that it with the centre frequency of carrier wave is middle that the frequency range is
The frequency range of value；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as higher limit；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as lower limit.
10. a kind of base station, it is characterised in that the base station includes：
Acquisition module, for whenever the first predetermined period is reached, obtaining Part II critical system information；
Sending module, for by the default time/frequency source block in Physical Downlink Shared Channel PDSCH, sending described second
Partial key system information.
11. base stations according to claim 10, it is characterised in that the acquisition module, are additionally operable to：
Whenever the second predetermined period is reached, Part I critical system information is obtained, wherein, second predetermined period is less than
First predetermined period；
The sending module, for by Physical Broadcast Channel PBCH, sending the Part I critical system information and described
The resource scheduling information of Part II critical system information, wherein, the resource scheduling information includes the time/frequency source block
Time-domain information, the time-domain information is the symbol logo of the time/frequency source block.
12. base stations according to claim 11, it is characterised in that the resource scheduling information also includes the running time-frequency resource
The frequency domain information of block, the frequency domain information is the frequency range of the time/frequency source block.
13. a kind of terminals, it is characterised in that the terminal includes：
Receiver module, for whenever the first predetermined period is reached, receiving in default time/frequency source block in positioned at PDSCH
Two Partial key system informations.
14. terminals according to claim 13, it is characterised in that the receiver module, are additionally operable to：
Whenever the second predetermined period is reached, Part I critical system information and institute that the base station sends are received on PBCH
The resource scheduling information of Part II critical system information is stated, wherein, the resource scheduling information includes the time/frequency source block
Time-domain information.
15. terminals according to claim 14, it is characterised in that the receiver module, are used for：
Whenever the first predetermined period is reached, based on the time-domain information and the Part II critical system for prestoring letter
The frequency domain information of breath, receives Part II critical system information, wherein, when the time-domain information and the corresponding frequency domain information
Frequency Resource Block is located at PDSCH.
16. terminals according to claim 14, it is characterised in that also provided including the time-frequency in the resource scheduling information
The frequency domain information of source block；
The receiver module, is used for：
Whenever the first predetermined period is reached, based on time-domain information and frequency domain information that the resource scheduling information includes, connect
Part II critical system information is received, wherein, the time-domain information and the corresponding time/frequency source block of the frequency domain information are located at
PDSCH。
17. terminal according to claim 15 or 16, it is characterised in that the time-domain information is the time/frequency source block
Symbol logo, the frequency domain information is the frequency range of the time/frequency source block.
18. terminals according to claim 17, it is characterised in that the frequency range is in being with the centre frequency of carrier wave
Between be worth frequency range；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as higher limit；Or,
The frequency range is the frequency range with the centre frequency of carrier wave as lower limit.
19. a kind of base stations, it is characterised in that the base station includes：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
Whenever the first predetermined period is reached, Part II critical system information is obtained；
By the default time/frequency source block in Physical Downlink Shared Channel PDSCH, the Part II critical system is sent
Information.
20. a kind of terminals, it is characterised in that the terminal includes：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
Whenever the first predetermined period is reached, the crucial system of Part II is received in default time/frequency source block in positioned at PDSCH
System information.
21. a kind of systems for sending critical system information, it is characterised in that the system includes base station and terminal, wherein：
The base station, for whenever the first predetermined period is reached, obtaining Part II critical system information；By positioned at physics
Default time/frequency source block in DSCH Downlink Shared Channel PDSCH, sends the Part II critical system information；
The terminal, for whenever the first predetermined period is reached, receiving in default time/frequency source block in positioned at PDSCH
Two Partial key system informations.
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| CN201710178738.0A CN106851840B (en) | 2017-03-23 | 2017-03-23 | Method, device and system for sending key system information |
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