CN106612552A - Cell frequency point allocation device in communication system - Google Patents
Cell frequency point allocation device in communication system Download PDFInfo
- Publication number
- CN106612552A CN106612552A CN201510695369.3A CN201510695369A CN106612552A CN 106612552 A CN106612552 A CN 106612552A CN 201510695369 A CN201510695369 A CN 201510695369A CN 106612552 A CN106612552 A CN 106612552A
- Authority
- CN
- China
- Prior art keywords
- frequency
- bit
- mib3
- mib2
- mib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a cell frequency point allocation method in a communication system. The method comprises the steps that a terminal receives MIB information issued by a base station, wherein the period of the MIB information is M frames; the MIB information includes a frequency point mapping table with N bits, and the value of each bit in the frequency point mapping table is used for indicating whether a frequency point corresponding to the bit is currently available in the cell; and the terminal determines the current available frequency points of the cell according to the MIB information and uses any frequency point for accessing, wherein M is greater than or equal to 16 and N is greater than or equal to 30. According to the invention, flexible cell frequency point allocation is realized.
Description
Technical field
The application is related to the broadcast message transmission technology in communication system, the cell frequency in more particularly to a kind of communication system
Point collocation method.
Background technology
In a kind of communication system, synchronous sub-band structure is 8 frame, one cycle period.Synchronizing signal PSS/SSS is in frame
, to send on 0 frame, broadcast (MasterInformationBlock, MIB) is 1 in frame number mould 2 for number mould 2
Frame on send.The broadcast channel transmission content includes the information and the information relevant with NAS layers of cell selection,
Mib information amounts to 32bit, is divided into four frames and sends.That is, the MIB cycles are 8 frames.It is illustrated in figure 1
The transmission schematic diagram of mib information.Wherein, the networking model in mib information takes 1bit, for carrying out the frequency of cell
Point is configured, and this 1 bit value is that whole frequencies can be accessed under 1 expression base station, and value is under 0 expression base station
Only 1/3 or 1/7 frequency can be used to access in all frequencies.Terminal in system receives 4 in same period
Individual MIB frames, constitute complete mib information, and being determined according to the information for wherein carrying allows the frequency of access, and according to
This carries out cell access.
It is the flexible configuration for realizing network with being continually changing for network structure and business demand, system is needed according to industry
Business situation enters Mobile state adjustment to the working frequency points of cell, but current broadcast channel can not meet above-mentioned requirements.
In aforementioned existing mib information transmission, the bit resources fewer (32bit) of mib information, therefore under base station
The frequency configuration of each cell, can only adopt the above-mentioned configuration mode for sharing all frequencies or equal part-frequency point.Can not be to same
Each different districts under base station, carry out the setting of varying number frequency.For the working frequency points of cell, also cannot carry out
Dynamic adjustment.
Specifically, it is assumed that power system has 40 subbands, due to the particularity of power consumer, at three of certain base station
In sector, a sector needs 25 frequencies of occupancy to be operated, and it is 10 frequencies and 5 to be left two sector configurations
Individual frequency.This frequency point allocation mode is very universal in power system.But according to above-mentioned currently with mib information
Networking model carry out the mode of subdistrict frequency point configuration, it is impossible to neatly difference is carried out to three sectors under same base station
The configuration of quantity frequency.To overcome the problems referred to above, the frequency point configuration file of this cell can be temporarily write in terminal,
But because the setting quantity of terminal is very big, the cost being adjusted is very high.In addition, the frequency of certain sector also cannot be real
Show flexible configuration and change at any time.When the frequency configuration of different sectors under same base station is uneven or irregular, if eventually
End cannot in advance know available frequency position, will be unable to complete to access.
The content of the invention
The application provides the subdistrict frequency point collocation method in a kind of communication system, can realize the flexible configuration of subdistrict frequency point.
For achieving the above object, the application is adopted the following technical scheme that：
A kind of subdistrict frequency point collocation method in communication system, including：
Terminal receives the mib information with M frames as cycle that base station issues；The mib information includes that bit number is
The frequency mapping table of N, the value of each bit is used to indicate the corresponding frequency of the bit at this in the frequency mapping table
Whether cell currently can use；
Terminal determines the currently available frequency of this cell according to the mib information, and is connect using any of which frequency
Enter；
Wherein, M >=16, N >=30.
It is preferred that the mib information includes MIB1, MIB2 and MIB3, described MIB1, MIB2 and MIB3
MIB frames in time-sharing multiplex same period；Wherein, the setting bit in MIB2 and MIB3 constitutes the frequency and reflects
Firing table.
It is preferred that described MIB1, MIB2 and MIB3 are respectively including the bit 1～30 of 32 bits, MIB2 and MIB3
The frequency mapping table is constituted, the bit 0 in described MIB1, MIB2 and MIB3 is used to indicate that current MIB frames are sent out
That what is sent is MIB1 or MIB2/MIB3.
It is preferred that terminal receives in advance the configuration information of frequency mapping table, determine each in the frequency mapping table of mib information
The corresponding relation of individual bit and frequency.
As seen from the above technical solution, in the application, terminal receives the MIB letters with 24 frames as cycle that base station issues
Breath；The mib information includes frequency mapping table, and the value of each bit is used to indicate this in the frequency mapping table
Whether the corresponding frequency of bit currently can use in this cell；Terminal determines that the current of this cell can according to the mib information
With frequency, and accessed using any of which frequency.By above-mentioned the present processes, mib information is extended
Bit number, new mib information includes frequency mapping table, can correspond to and indicate that corresponding frequency is current in this cell
Whether can use.Therefore, it can carry out the different districts under same base station the personal settings of available frequency.
Description of the drawings
Fig. 1 is the basic procedure schematic diagram of subdistrict frequency point collocation method in the application；
Fig. 2 is the exemplary plot of mib information in the application.
Specific embodiment
In order that the purpose of the application, technological means and advantage become more apparent, below in conjunction with accompanying drawing to this Shen
Please be described in further details.
Current subdistrict frequency point collocation method is analyzed first, in current subdistrict frequency point configuration, is utilized
The configuration state of the networking model indicating cell frequency of a bit in mib information, due to the restriction of bit number,
Therefore cause the subdistrict frequency point cannot flexible configuration.Based on this, MIB frames will be increased in the application in synchronous subband,
Increase the cycle of MIB frames, and using the available situation of each frequency in newly-increased bit indicating cell.
Specifically, in the application the flow process of subdistrict frequency point collocation method as shown in figure 1, the method includes：
Step 101, terminal receives the mib information with M frames as cycle that base station issues, and wraps in the mib information
Frequency mapping table is included, for indicating whether corresponding frequency band currently can use in this cell.
Specifically, the growth MIB cycles, the bit number of extension MIB information, wherein, M >=16, that is, will
The MIB cycles at least expand and are twice, and are compatible with the holding of existing synchronous frame stucture, it is preferable that by mib information
Still it is carried on the frame that frame number mould 2 is 1.Mib information after extension further includes frequency mapping table, should
Mapping table includes N-bit, and the wherein value of each bit is used to indicate that the corresponding frequency of the bit is worked as in this cell
It is front whether to can use.Here, N is set greater than being equal to 30.
By above-mentioned setting, the available situation of some frequencies can be represented by the frequency mapping table in mib information,
For example, can arrange when bit takes 1 and represent that corresponding frequency is currently available, bit represents that corresponding frequency is worked as when taking 0
It is front unavailable.Each bit can be using system default or pre- with the corresponding relation of actual frequency in frequency mapping table
The mode for first configuring.
The particular location of concrete frequency mapping table can be arranged as required to.Provide a kind of exemplary in the application
Mode is as follows：Mib information includes MIB1, MIB2 and MIB3, MIB1, MIB2 and MIB3 time-sharing multiplex
MIB frames in same period；Wherein, the setting bit in MIB2 and MIB3 constitutes frequency mapping table.Be given
One simply example, as shown in Fig. 2 each 32bit of MIB1, MIB2, MIB3, carrying content is：
Bit0：MIB type of messages, value be 1 instruction send be MIB1；Value be 0 instruction send be
MIB2 or MIB3；
Bit1～30：Business frequency bitmap tables, 0 represents that corresponding frequency is unavailable；1 represents that corresponding frequency can use；
Bit31：Reserved bit.
The common 60bit of bitmap tables of MIB2, MIB3, can indicate 60 business subbands (i.e. frequency) can
Use situation.
MIB1 is in addition to the first bit represents MIB type of messages, and remaining information is identical with existing mib information.
Above-mentioned MIB1, MIB2 and MIB3 information repeatedly sends four times in a MIB cycle.
Step 102, terminal determines the currently available frequency of this cell according to mib information, and utilizes any of which
Frequency is accessed.
Frequency mapping table is carried in the mib information that in a step 101 terminal is received, in this step, terminal root
The currently available situation of corresponding frequency is determined according to the value of each bit in the mapping table, so that it is determined that going out this cell
Currently available frequency, and carry out cell access using it.
So far, the method flow in the application terminates.By above-mentioned flow process, the bit number of mib information is extended,
New mib information includes frequency mapping table, can correspond to indicate corresponding frequency in this cell it is current whether
Can use.Therefore, it can carry out the different districts under same base station the personal settings of available frequency, carry significantly
The high flexibility of subdistrict frequency point configuration, can at any time carry out as needed frequency adjustment.
Presently preferred embodiments of the present invention is the foregoing is only, it is all in the present invention not to limit the present invention
Spirit and principle within, any modification, equivalent substitution and improvements done etc. should be included in guarantor of the present invention
Within the scope of shield.
Claims (4)
1. the subdistrict frequency point collocation method in a kind of communication system, it is characterised in that include：
Terminal receives the mib information with M frames as cycle that base station issues；The mib information includes that bit number is
The frequency mapping table of N, the value of each bit is used to indicate the corresponding frequency of the bit at this in the frequency mapping table
Whether cell currently can use；
Terminal determines the currently available frequency of this cell according to the mib information, and is connect using any of which frequency
Enter；
Wherein, M >=16, N >=30.
2. method according to claim 1, it is characterised in that the mib information includes MIB1, MIB2
And MIB3, the MIB frames in MIB1, MIB2 and MIB3 time-sharing multiplex same period；Wherein, MIB2
The frequency mapping table is constituted with the setting bit in MIB3.
3. method according to claim 2, it is characterised in that described MIB1, MIB2 and MIB3 are respectively wrapped
The bit 1～30 for including 32 bits, MIB2 and MIB3 constitutes the frequency mapping table, described MIB1, MIB2 and
Bit 0 in MIB3 is MIB1 or MIB2/MIB3 for indicate current MIB frames transmission.
4. according to arbitrary described method in Claim 1-3, it is characterised in that terminal receives in advance frequency mapping
The configuration information of table, determines the corresponding relation of each bit and frequency in the frequency mapping table of mib information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695369.3A CN106612552A (en) | 2015-10-23 | 2015-10-23 | Cell frequency point allocation device in communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695369.3A CN106612552A (en) | 2015-10-23 | 2015-10-23 | Cell frequency point allocation device in communication system |
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| Publication Number | Publication Date |
|---|---|
| CN106612552A true CN106612552A (en) | 2017-05-03 |
Family
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|---|---|---|---|
| CN201510695369.3A Pending CN106612552A (en) | 2015-10-23 | 2015-10-23 | Cell frequency point allocation device in communication system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080091636A (en) * | 2007-04-09 | 2008-10-14 | 주식회사 케이티프리텔 | Method for searching adaptively the frequency band in the mobile phone mounting the multi-rat(radio access technology) |
| CN103298121A (en) * | 2012-03-02 | 2013-09-11 | 普天信息技术研究院有限公司 | Terminal frequency point mapping and configuring method |
| CN103517211A (en) * | 2012-06-21 | 2014-01-15 | 电信科学技术研究院 | Method for transmitting system broadcast information and equipment thereof |
| CN104869614A (en) * | 2014-02-26 | 2015-08-26 | 普天信息技术有限公司 | Processing method for frequency point information of current sector |
-
2015
- 2015-10-23 CN CN201510695369.3A patent/CN106612552A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080091636A (en) * | 2007-04-09 | 2008-10-14 | 주식회사 케이티프리텔 | Method for searching adaptively the frequency band in the mobile phone mounting the multi-rat(radio access technology) |
| CN103298121A (en) * | 2012-03-02 | 2013-09-11 | 普天信息技术研究院有限公司 | Terminal frequency point mapping and configuring method |
| CN103517211A (en) * | 2012-06-21 | 2014-01-15 | 电信科学技术研究院 | Method for transmitting system broadcast information and equipment thereof |
| CN104869614A (en) * | 2014-02-26 | 2015-08-26 | 普天信息技术有限公司 | Processing method for frequency point information of current sector |
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Application publication date: 20170503 |
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