CN106686693A - System information transmission method and device - Google Patents

System information transmission method and device Download PDF

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Publication number
CN106686693A
CN106686693A CN201510752476.5A CN201510752476A CN106686693A CN 106686693 A CN106686693 A CN 106686693A CN 201510752476 A CN201510752476 A CN 201510752476A CN 106686693 A CN106686693 A CN 106686693A
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CN
China
Prior art keywords
system information
base station
state
cell
terminal
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Granted
Application number
CN201510752476.5A
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Chinese (zh)
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CN106686693B (en
Inventor
胡南
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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Priority to CN201510752476.5A priority Critical patent/CN106686693B/en
Priority to PCT/CN2016/098675 priority patent/WO2017076127A1/en
Publication of CN106686693A publication Critical patent/CN106686693A/en
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Publication of CN106686693B publication Critical patent/CN106686693B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a system information transmission method. The method comprises that when a base station is in a first state, first indication information is sent, the first indication information represents that the base station is in the first state, and the first station represents that the load of a cell is lower than a preset threshold value; and when the base station is a second state, system information is sent according to a preset period, the second state represents that the load of the cell is higher than a preset threshold value or that the amount of request messages received by the cell is higher than a preset threshold value, and the request messages are access requests to obtain a system message. The invention discloses the base station and a terminal for realizing the method at the same time.

Description

A kind of transmission method and equipment of system information
Technical field
The present invention relates to the system information transmissions technology of wireless communication system, more particularly to a kind of system information Transmission method and equipment.
Background technology
In existing LTE system, by base station broadcast to terminal, system information includes system information:Terminal is little It is resident in area, carries out cell selection or gravity treatment, initiates the letters such as the indispensable network parameter such as RRC connections and configuration Breath.The system information acquisition method of existing LTE system is usually:Base station periodic broadcast system information, and Terminal can only go the system information for obtaining base station broadcast when (IDLE) state is mourned in silence.
But, there is problems with said method:
1) it is no matter more than the quantity of terminal or few in cell, base station must continual broadcast system message, be System message transmission mechanism is dumb, causes the waste and power consumption of base station broadcast resource;
2) mode of terminal acquisition system information is single.
The content of the invention
To solve existing technical problem, the embodiment of the present invention provides a kind of transmission method of system information And equipment.
A kind of transmission method of system information is embodiments provided, base station is applied to, the method includes:
When determining that base station is in first state, the first configured information is sent;
Wherein, first configured information, for characterizing the base station in first state;First shape State, the load for characterizing this cell is less than predetermined threshold value;
When determining that base station is in the second state, according to predetermined period system information is sent;
Wherein, second state, for characterizing the load of this cell higher than predetermined threshold value or being used for The first request message quantity that this cell receives is characterized higher than predetermined threshold value, first request message is: Obtain the access request of system information.
The embodiment of the present invention additionally provides a kind of transmission method of system information, is applied to first terminal, the party Method includes:
Receive and analyze the message of base station transmission;
The working condition of the base station is judged based on the message, the working condition includes:First State and the second state;
Wherein, the first state, for characterizing the load of this cell less than predetermined threshold value, in first The base station of state sends and characterizes itself the first configured information in first state;Second state, is used for The load of this cell is characterized higher than predetermined threshold value or for characterizing the first request message that this cell is received Quantity is higher than predetermined threshold value, and first request message is:Obtain the access request of system information;
When determining that the base station is in first state, first request message is sent;Receive the base station to lead to Cross the system information of RRC signaling transmission;
When determining that the base station is in the second state, the system information that base station sends according to predetermined period is received.
The embodiment of the present invention additionally provides a kind of base station of Transmission system information, and the base station includes:
First judge module, for judging base station in first state or the second state, and will determine that result Notify first processing module;
First processing module, when determining that base station is in first state for first judge module, sends the One configured information;When first judge module determines that base station is in the second state, send according to predetermined period System information;
Wherein, first configured information, for characterizing the base station in first state;First shape State, the load for characterizing this cell is less than predetermined threshold value;Second state, for characterizing this cell Load higher than predetermined threshold value or for characterizing the first request message quantity that this cell receives higher than pre- Gating limit value, first request message is:Obtain the access request of system information.
The embodiment of the present invention additionally provides a kind of terminal of Transmission system information, and the terminal includes:
Second judge module, for receiving and analyze base station transmission message;Based on disappearing that the base station sends Cease the working condition to the base station to judge, and will determine that result notifies Second processing module;
Wherein, the working condition includes:First state and the second state;The first state, for table The load of this cell is levied less than predetermined threshold value, the base station in first state sends and characterizes itself in first First configured information of state;Second state, for characterize the load of this cell higher than predetermined threshold value, Or for characterizing the first request message quantity that this cell receives higher than predetermined threshold value, first request Message is:Obtain the access request of system information;
Second processing module, during for determining that the base station is in first state, sending first request and disappearing Breath, receives the system information that the base station is sent by RRC signaling;Determine that the base station is in the second state When, receive the system information that base station sends according to predetermined period.
The transmission method and equipment of system information provided in an embodiment of the present invention, determines that base station is in first state When, send the first configured information;Wherein, first configured information, for characterizing the base station in the One state;The first state, the load for characterizing this cell is less than predetermined threshold value;Determine base station When the second state, according to predetermined period system information is sent;Wherein, second state, for characterizing The load of this cell higher than predetermined threshold value or for characterizing the request message quantity that this cell is received is higher than Predetermined threshold value, the request message is:Obtain the access request of system message.The embodiment of the present invention can be real Existing base station is adjusted flexibly the sending method of system information with the change of cell load and/or potential load, from And cause the expense that system information broadcast takes less, base station more energy-conservation;In addition, terminal can also pass through Various ways flexibly obtain system information, it is ensured that network is obtained in time on the premise of expense and power consumption is saved Take system information.
Description of the drawings
In accompanying drawing (it is not necessarily drawn to scale), similar reference can be in different views Described in similar part.Similar reference numerals with different letter suffix can represent the difference of similar component Example.Accompanying drawing generally shows by way of example and not limitation each embodiment discussed herein.
Fig. 1 is the transmission method flowchart one of system information described in the embodiment of the present invention;
Fig. 2 is the transmission method flowchart two of system information described in the embodiment of the present invention;
Fig. 3 is the structural representation of base station described in the embodiment of the present invention;
Fig. 4 is the structural representation one of terminal described in the embodiment of the present invention;
Fig. 5 is the structural representation one of the middle Second processing module of terminal described in the embodiment of the present invention;
Fig. 6 is the structural representation two of the middle Second processing module of terminal described in the embodiment of the present invention.
Specific embodiment
In embodiments of the invention, when determining that base station is in first state, the first configured information is sent;Wherein, First configured information, for characterizing the base station in first state;The first state, for table The load for levying this cell is less than predetermined threshold value;When determining that base station is in the second state, send out according to predetermined period Send system information;Wherein, second state, for characterize the load of this cell higher than predetermined threshold value, Or for characterizing request message quantity that this cell receives higher than predetermined threshold value, the request message is: Obtain the access request of system message.
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
Fig. 1 is the transmission method flowchart of system information described in the embodiment of the present invention, is applied to base station, As shown in figure 1, the method includes:
Step 101:When determining that base station is in first state, the first configured information is sent;
Wherein, first configured information, for characterizing the base station in first state;First shape State, the load for characterizing this cell is less than predetermined threshold value;
Step 102:When determining that base station is in the second state, according to predetermined period system information is sent;
Wherein, second state, for characterizing the load of this cell higher than predetermined threshold value or being used for The first request message quantity that this cell receives is characterized higher than predetermined threshold value, first request message is: Obtain the access request of system information.
In practical application, base station broadcast (transmission) system information has both of which:One kind is to mourn in silence State (first state), one kind is active state (the second state).
Here, when the load of this cell is less than certain threshold value, then cell can enter system information broadcast Silent status (first state).When this cell load is higher than certain thresholding, or the needs received when cell When the access request for obtaining system information exceedes certain thresholding within a certain period of time, then cell can be believed into system The active state (the second state) of breath broadcast.The load may include:Connection number of users, Physical Resource Block profit With rate, control channel unit (Control Channel Element, CCE) utilization rate etc..
Base station will not broadcast specific system information in the quiet period (first state) of broadcast system information, and Need to broadcast a configured information (the first configured information), show that current base station is in silent status.
Base station, can be with certain cycle frequency and repetition in the active state (the second state) of broadcast system information Degree carrys out broadcast system information, it is ensured that terminal can in time obtain the system information.
In one embodiment, when the determination base station is in first state, the method also includes:
Send terminal and set up the first parameter required when RRC connects.
For example:In silent status (first state), base station is likely to broadcast some accessing terminal to network into nothing The indispensable system information of line resources control (RRC) connected state and parameter.
Here, first parameter sets up system information indispensable when RRC connects including terminal.
In one embodiment, the system information includes one group of system configuration parameter or system more than two The set of configuration parameter composition, accordingly,
When the determination base station is in first state, the method also includes:
At least one call number is sent, each call number is corresponding to one group of system configuration in the system information Parameter.
Here, each group of system configuration parameter is:The system information for completing corresponding with cell, Least one set is effective in system configuration parameter more than two in the set.
For example:The system information of transmission is set1 and set2, and wherein set1 specifically includes a=2, b=3, c=250; And set2 includes a=233, b=338476, c=258.And concrete which group parameter is effectively, then broadcast at present that Group set values are then the current configurations of cell.The set1 or set2 can be call number mentioned above.
In one embodiment, the system information of the transmission includes:The system information of at least one cell.Example Such as, including:This cell (current service cell or terminal persistent district) system information, also including it The system information of his cell, the usually system information of adjacent cell.
Here, the system information of the transmission includes:The system information of this cell and the system information of adjacent cell; Wherein,
The system information of the adjacent cell at least includes:The adjacent cell it is different with described cell be System configuration parameter.
I.e.:The contents different with this cell system information are only provided, other and this cell system information identical Content then need not be given.For example:This cell system information is a=2, b=3, c=250;And adjacent cell System information is a=2, b=3, c=2, then only need to add adjacent area system information in the system information for sending C=2, this also makes Δ configure.
In one embodiment, the system information of the transmission also includes:Send the system information of the adjacent cell When the time-frequency location that used.
So, terminal can be based on the adjacent cell in system information described in the time-frequency location quick obtaining System information.
In one embodiment, when the determination base station is in first state, the method also includes:
When determining that the system information has altered, second state is switched to.
Here, the base station is switched to the second state, is easy to quickly the system information of the change be notified into it The terminal being resident in coverage, carrys out the renewal of completion system information.Base station can be notified by modes such as pagings Terminal.
In one embodiment, the method also includes:
Determine that base station is switched to the first state from second state in advance;
At least one terminal in specified coverage sends the system when the base station is in first state System information.
Here, when base station needs that to be switched to the first state from second state (active state) (quiet Silent state) when, base station can specify some terminals in its coverage to provide broadcast acquisition service (referring specifically to the description of hereafter end side).
The embodiment of the present invention additionally provides a kind of transmission method of system information, is applied to first terminal, such as schemes Shown in 2, the method includes:
Step 201:Receive and analyze the message of base station transmission;Based on work of the message to the base station State is judged that the working condition includes:First state and the second state;
Wherein, the first state, for characterizing the load of this cell less than predetermined threshold value, in first The base station of state sends and characterizes itself the first configured information in first state;Second state, is used for The load of this cell is characterized higher than predetermined threshold value or for characterizing the first request message that this cell is received Quantity is higher than predetermined threshold value, and first request message is:Obtain the access request of system information;
Step 202:When determining that the base station is in first state, first request message is sent;Receive The system information that the base station is sent by RRC signaling;
Step 203:When determining that the base station is in the second state, receive what base station sent according to predetermined period System information.
In the present embodiment, the system information that the base station sends includes:The system information of at least one cell. For example, including:This cell (current service cell or terminal persistent district) system information, also includes The system information of other cells, the usually system information of adjacent cell.
In practical application, when the determination base station is in first state, sends first request and disappear Breath;The system information that the base station is sent by RRC signaling is received, can be:
For example:When first terminal needs to obtain the system information of persistent district, if it find that what base station sent First configured information, then learn that base station is currently in the quiet period (first state) of broadcast system information, then can Connection establishment request is initiated to persistent district, and reason is carried in connection establishment request:Need acquisition system Information.When base station gets after needing the connection establishment for obtaining system information to ask of first terminal, then can be with The first terminal sets up RRC connections, and system information is issued into first terminal by RRC signaling.
In practical application, when the determination base station is in the second state, base station is received according to default week The system information that phase sends, can be:
For example:If first terminal needs the system information for obtaining persistent district, and this base station to be exactly in System information broadcast active period (the second state), the then periodic broadcasting that can directly listen to base station is resident to obtain The system information of cell.
In one embodiment, the method also includes:
The system information that the first terminal analysis base station sends;The first terminal is located at first community;
The time-frequency position used when base station sends the system information of second community is obtained based on the system information Put;
According to the time-frequency location, the system for receiving second community described in the system information that the base station sends Information.
For example:When first terminal measures in cell a the signal of cell B higher than certain thresholding or little When the signal of area B is higher than cell A certain value, activation obtains the flow process of cell B system information;Certainly, One terminal is also possible to obtain the flow process of cell B system information from line activating in the case where not being triggered, should Flow process may include:
First, first terminal first analyzes the system information of cell A broadcast, therefrom learns that the system information is carried The time-frequency location of cell B system information;Then, then from above the corresponding time-frequency location of cell A broadcast connect Receive the system information of cell B.
In one embodiment, when determining that the base station is in first state, the method also includes:
The first terminal to second terminal sends the second request message;Second request message is used for described First terminal obtains the system information of respective cell, and the mark of the cell is carried in second request message;
The first terminal judges whether the second terminal carries the system information of the pre-acquiring, if it is, Then set up with the second terminal and be connected;
Receive the system information of the cell of the pre-acquiring that the second terminal sends.
For example:When first terminal needs to obtain certain cell system information, then send assistance to other-end and provide The request of system information, needs the corresponding ID of cell for carrying required system information in request;Work as second terminal After receiving the request of first terminal, if second terminal determines the system information of self-contained first terminal request When, then can set up with first terminal and be connected, and the system information required for first terminal is supplied into first eventually End.
In one embodiment, when determining that the base station is in first state, the method also includes:
Message between the first terminal monitor terminal on communication link;The message includes:Third terminal is wide The system information of at least one cell broadcast;The mark of at least one cell is carried in the system information;
The first terminal is based on the mark, determines the system letter of the cell of the third terminal broadcast Cease the system information for pre-acquiring;
The first terminal to the third terminal sends the 3rd request message;3rd request message is used for The first terminal obtains the system information of respective cell, and the mark of the cell is carried in the 3rd request message Know;
Receive the system information of the pre-acquiring that the third terminal sends.
For example:When first terminal needs to obtain system information, then on DCL that can be between monitor terminal Message;Meanwhile, third terminal, then can be in direct communication between terminals chain if the system information of certain cell The system information is issued on road, the ID of certain cell is carried in this system information, and indicate other-end (bag Including the first terminal) third terminal possesses the system information of this cell.
When first terminal detects the system information of the issue of third terminal, if third terminal carrying is little Area ID is exactly cell ID corresponding to the system information that first terminal needs, then first terminal can be to the 3rd Terminal initiates request, it is desirable to provide corresponding system information;Need to explicitly indicate that out needs in this solicited message Third terminal provides the system information of which cell, and third terminal is received after the request of first terminal, then according to It requires the system information for providing respective cell to first terminal.
The embodiment of the present invention is capable of achieving base station and is adjusted flexibly with the change of cell load and/or potential load The sending method of system information, so that the expense that system information broadcast takes is less, base station more energy-conservation; In addition, terminal can also flexibly obtain in several ways system information, it is ensured that network save expense and On the premise of power consumption, system information is obtained in time.
The embodiment of the present invention additionally provides a kind of base station of Transmission system information, as shown in figure 3, the base station 30 Including:
First judge module 301, for judging base station in first state or the second state, and will determine that As a result first processing module 302 is notified;
First processing module 302, when determining that base station is in first state for first judge module, sends out Send the first configured information;When first judge module determines that base station is in the second state, according to predetermined period Send system information;
Wherein, first configured information, for characterizing the base station in first state;First shape State, the load for characterizing this cell is less than predetermined threshold value;Second state, for characterizing this cell Load higher than predetermined threshold value or for characterizing the first request message quantity that this cell receives higher than pre- Gating limit value, first request message is:Obtain the access request of system information.
Wherein, second state, for characterizing the load of this cell higher than predetermined threshold value or being used for The first request message quantity that this cell receives is characterized higher than predetermined threshold value, first request message is: Obtain the access request of system information.
In practical application, base station broadcast (transmission) system information has both of which:One kind is to mourn in silence State (first state), one kind is active state (the second state).
Here, when the load of this cell is less than certain threshold value, then cell can enter system information broadcast Silent status (first state).When this cell load is higher than certain thresholding, or the needs received when cell When the access request for obtaining system information exceedes certain thresholding within a certain period of time, then cell can be believed into system The active state (the second state) of breath broadcast.The load may include:Connection number of users, Physical Resource Block profit With rate, control channel unit (Control Channel Element, CCE) utilization rate etc..
Base station will not broadcast specific system information in the quiet period (first state) of broadcast system information, and Need to broadcast a configured information (the first configured information), show that current base station is in silent status.
Base station, can be with certain cycle frequency and repetition in the active state (the second state) of broadcast system information Degree carrys out broadcast system information, it is ensured that terminal can in time obtain the system information.
In one embodiment,
The first processing module 302, is additionally operable to first judge module 301 and determines that base station is in first During state, send terminal and set up the first parameter required when RRC connects.
For example:In silent status (first state), base station is likely to broadcast some accessing terminal to network into nothing The indispensable system information of line resources control (RRC) connected state and parameter.
Here, first parameter sets up system information indispensable when RRC connects including terminal.
In one embodiment, the system information includes one group of system configuration parameter or system more than two The set of configuration parameter composition, accordingly,
The first processing module 302, is additionally operable to first judge module 301 and determines that base station is in first During state, at least one call number is sent, each call number is corresponding to the system system in the system information Configuration parameter.
Here, each group of system configuration parameter is:The system information for completing corresponding with cell, Least one set is effective in system configuration parameter more than two in the set.
For example:The system information of transmission is set1 and set2, and wherein set1 specifically includes a=2, b=3, c=250; And set2 includes a=233, b=338476, c=258.And concrete which group parameter is effectively, then broadcast at present that Group set values are then the current configurations of cell.The set1 or set2 can be call number mentioned above.
In one embodiment,
The first processing module 302, is additionally operable to first judge module 301 and determines that base station is in first During state, and when determining that the system information has altered, it is switched to second state.
Here, the base station is switched to the second state, is easy to quickly the system information of the change be notified into it The terminal being resident in coverage, carrys out the renewal of completion system information.Base station can be notified by modes such as pagings Terminal.
In one embodiment,
First judge module 301, is additionally operable to determine that base station is switched to described the from second state in advance One state, and the result is notified into the first processing module;Accordingly,
The first processing module 302, is additionally operable to according at least one in the specified coverage of the result eventually End sends the system information when the base station is in first state.
Here, when base station needs that to be switched to the first state from second state (active state) (quiet Silent state) when, base station can specify some terminals in its coverage to provide broadcast acquisition service (referring specifically to the description of hereafter end side).
The embodiment of the present invention additionally provides a kind of terminal of Transmission system information, as shown in figure 4, the terminal 40 Including:
Second judge module 401, for receiving and analyze base station transmission message;Sent based on the base station Message the working condition of the base station is judged, and will determine that result notify Second processing module 402;
Wherein, the working condition includes:First state and the second state;The first state, for table The load of this cell is levied less than predetermined threshold value, the base station in first state sends and characterizes itself in first First configured information of state;Second state, for characterize the load of this cell higher than predetermined threshold value, Or for characterizing the first request message quantity that this cell receives higher than predetermined threshold value, first request Message is:Obtain the access request of system information;
Second processing module 402, during for determining that the base station is in first state, sending described first please Message is sought, the system information that the base station is sent by RRC signaling is received;Determine that the base station is in second During state, the system information that base station sends according to predetermined period is received.
Wherein, the system information that the base station sends includes:The system information of at least one cell.For example, Including:This cell (current service cell or terminal persistent district) system information is also little including other The system information in area, the usually system information of adjacent cell.
In practical application, when the determination base station is in first state, sends first request and disappear Breath;The system information that the base station is sent by RRC signaling is received, can be:
For example:When first terminal needs to obtain the system information of persistent district, if it find that what base station sent First configured information, then learn that base station is currently in the quiet period (first state) of broadcast system information, then can Connection establishment request is initiated to persistent district, and reason is carried in connection establishment request:Need acquisition system Information.When base station gets after needing the connection establishment for obtaining system information to ask of first terminal, then can be with The first terminal sets up RRC connections, and system information is issued into first terminal by RRC signaling.
In practical application, when the determination base station is in the second state, base station is received according to default week The system information that phase sends, can be:
For example:If first terminal needs the system information for obtaining persistent district, and this base station to be exactly in System information broadcast active period (the second state), the then periodic broadcasting that can directly listen to base station is resident to obtain The system information of cell.
In one embodiment,
Second judge module 401, is additionally operable to analyze the system information that base station sends, based on the system Acquisition of information base station sends the time-frequency location used during the system information of second community;The terminal is located at the One cell;
The Second processing module 402, is additionally operable to according to the time-frequency location, receives what the base station sent The system information of second community described in system information.
For example:When first terminal measures in cell a the signal of cell B higher than certain thresholding or little When the signal of area B is higher than cell A certain value, activation obtains the flow process of cell B system information;Certainly, One terminal is also possible to obtain the flow process of cell B system information from line activating in the case where not being triggered, should Flow process may include:
First, first terminal first analyzes the system information of cell A broadcast, therefrom learns that the system information is carried The time-frequency location of cell B system information;Then, then from above the corresponding time-frequency location of cell A broadcast connect Receive the system information of cell B.
In one embodiment, when second judge module 401 judges that the base station is in first state, such as Shown in Fig. 5, the Second processing module 402 includes:
First transmitting element 4021, for sending the second request message to second terminal;Second request disappears The system information for obtaining respective cell for the terminal is ceased, in second request message cell is carried Mark;
Judging unit 4022, for judging whether the second terminal carries the system information of the pre-acquiring, If it is, set up with the second terminal being connected;
First receiving unit 4023, the cell for receiving the pre-acquiring that the second terminal sends is System information.
For example:When first terminal needs to obtain certain cell system information, then send assistance to other-end and provide The request of system information, needs the corresponding ID of cell for carrying required system information in request;Work as second terminal After receiving the request of first terminal, if second terminal determines the system information of self-contained first terminal request When, then can set up with first terminal and be connected, and the system information required for first terminal is supplied into first eventually End.
In one embodiment, when second judge module 401 judges that the base station is in first state, such as Shown in Fig. 6, the Second processing module 402 includes:
Monitoring unit 4024, for the message on communication link between monitor terminal;The message includes:3rd The system information of at least one cell of terminal broadcast;At least one cell is carried in the system information Mark;
Determining unit 4025, for based on the mark, determining the cell of the third terminal broadcast System information is the system information of pre-acquiring;
Second transmitting element 4026, for sending the 3rd request message to the third terminal;Described 3rd please Ask message to be used for the system information that the terminal obtains respective cell, carry this in the 3rd request message little The mark in area;
Second receiving unit 4027, for receiving the system letter of the pre-acquiring that the third terminal sends Breath.
For example:When first terminal needs to obtain system information, then on DCL that can be between monitor terminal Message;Meanwhile, third terminal, then can be in direct communication between terminals chain if the system information of certain cell The system information is issued on road, the ID of certain cell is carried in this system information, and indicate other-end (bag Including the first terminal) third terminal possesses the system information of this cell.
When first terminal detects the system information of the issue of third terminal, if third terminal carrying is little Area ID is exactly cell ID corresponding to the system information that first terminal needs, then first terminal can be to the 3rd Terminal initiates request, it is desirable to provide corresponding system information;Need to explicitly indicate that out needs in this solicited message Third terminal provides the system information of which cell, and third terminal is received after the request of first terminal, then according to It requires the system information for providing respective cell to first terminal.
It can be seen that, the embodiment of the present invention is capable of achieving base station as the change of cell load and/or potential load comes flexible The sending method of adjustment system information, so that the expense that system information broadcast takes is less, base station is more Energy-conservation;In addition, terminal can also flexibly obtain in several ways system information, it is ensured that network is being saved On the premise of expense and power consumption, system information is obtained in time.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can using hardware embodiment, software implementation or with reference to software and The form of the embodiment of hardware aspect.And, the present invention can be adopted and wherein include calculating at one or more Computer-usable storage medium (including but not limited to magnetic disc store and the optical storage of machine usable program code Device etc.) on implement computer program form.
The present invention is with reference to method according to embodiments of the present invention, equipment (system) and computer program Flow chart and/or block diagram describing.It should be understood that can be by computer program instructions flowchart and/or side The knot of each flow process and/or square frame and flow chart and/or the flow process in block diagram and/or square frame in block diagram Close.Can provide these computer program instructions to all-purpose computer, special-purpose computer, Embedded Processor or The processor of other programmable data processing devices is producing a machine so that by computer or other can The instruction of the computing device of programming data processing equipment is produced for realizing in one flow process or multiple of flow chart The device of the function of specifying in one square frame of flow process and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices In the computer-readable memory for working in a specific way so that in being stored in the computer-readable memory Instruction produces the manufacture for including command device, and the command device is realized in one flow process of flow chart or multiple streams The function of specifying in one square frame of journey and/or block diagram or multiple square frames.
These computer program instructions also can be loaded into computer or other programmable data processing devices, made Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in flow chart one The step of function of specifying in flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
The above, only presently preferred embodiments of the present invention is not intended to limit the protection model of the present invention Enclose.

Claims (23)

1. a kind of transmission method of system information, is applied to base station, it is characterised in that the method includes:
When determining that base station is in first state, the first configured information is sent;
Wherein, first configured information, for characterizing the base station in first state;First shape State, the load for characterizing this cell is less than predetermined threshold value;
When determining that base station is in the second state, according to predetermined period system information is sent;
Wherein, second state, for characterizing the load of this cell higher than predetermined threshold value or being used for The first request message quantity that this cell receives is characterized higher than predetermined threshold value, first request message is: Obtain the access request of system information.
2. method according to claim 1, it is characterised in that the determination base station is in first state When, the method also includes:
Send terminal and set up the first parameter required when RRC connects.
3. method according to claim 1, it is characterised in that the system information includes a system The set of system configuration parameter or system configuration parameter more than two composition, accordingly,
When the determination base station is in first state, the method also includes:
At least one call number is sent, each call number is corresponding to one group of system configuration in the system information Parameter.
4. method according to claim 1, it is characterised in that the system information of the transmission includes: The system information of at least one cell.
5. method according to claim 4, it is characterised in that the system information of the transmission includes: The system information of this cell and the system information of adjacent cell;Wherein,
The system information of the adjacent cell at least includes:The adjacent cell it is different with described cell be System configuration parameter.
6. method according to claim 5, it is characterised in that the system information of the transmission also includes: The time-frequency location used during the system information for sending the adjacent cell.
7. method according to claim 1, it is characterised in that the determination base station is in first state When, the method also includes:
When determining that the system information has altered, second state is switched to.
8. method according to claim 1, it is characterised in that the method also includes:
Determine that base station is switched to the first state from second state in advance;
At least one terminal in specified coverage sends the system when the base station is in first state System information.
9. a kind of transmission method of system information, is applied to first terminal, it is characterised in that the method includes:
Receive and analyze the message of base station transmission;
The working condition of the base station is judged based on the message, the working condition includes:First State and the second state;
Wherein, the first state, for characterizing the load of this cell less than predetermined threshold value, in first The base station of state sends and characterizes itself the first configured information in first state;Second state, is used for The load of this cell is characterized higher than predetermined threshold value or for characterizing the first request message that this cell is received Quantity is higher than predetermined threshold value, and first request message is:Obtain the access request of system information;
When determining that the base station is in first state, first request message is sent;Receive the base station to lead to Cross the system information of RRC signaling transmission;
When determining that the base station is in the second state, the system information that base station sends according to predetermined period is received.
10. method according to claim 9, it is characterised in that the system information that the base station sends Including:The system information of at least one cell.
11. methods according to claim 10, it is characterised in that the method also includes:
The system information that the first terminal analysis base station sends;The first terminal is located at first community;
The time-frequency position used when base station sends the system information of second community is obtained based on the system information Put;
According to the time-frequency location, the system for receiving second community described in the system information that the base station sends Information.
12. methods according to claim 9, it is characterised in that determine that the base station is in the first shape During state, the method also includes:
The first terminal to second terminal sends the second request message;Second request message is used for described First terminal obtains the system information of respective cell, and the mark of the cell is carried in second request message;
The first terminal judges whether the second terminal carries the system information of the pre-acquiring, if it is, Then set up with the second terminal and be connected;
Receive the system information of the cell of the pre-acquiring that the second terminal sends.
13. methods according to claim 9, it is characterised in that determine that the base station is in the first shape During state, the method also includes:
Message between the first terminal monitor terminal on communication link;The message includes:Third terminal is wide The system information of at least one cell broadcast;The mark of at least one cell is carried in the system information;
The first terminal is based on the mark, determines the system letter of the cell of the third terminal broadcast Cease the system information for pre-acquiring;
The first terminal to the third terminal sends the 3rd request message;3rd request message is used for The first terminal obtains the system information of respective cell, and the mark of the cell is carried in the 3rd request message Know;
Receive the system information of the pre-acquiring that the third terminal sends.
14. a kind of base stations of Transmission system information, it is characterised in that the base station includes:
First judge module, for judging base station in first state or the second state, and will determine that result Notify first processing module;
First processing module, when determining that base station is in first state for first judge module, sends the One configured information;When first judge module determines that base station is in the second state, send according to predetermined period System information;
Wherein, first configured information, for characterizing the base station in first state;First shape State, the load for characterizing this cell is less than predetermined threshold value;Second state, for characterizing this cell Load higher than predetermined threshold value or for characterizing the first request message quantity that this cell receives higher than pre- Gating limit value, first request message is:Obtain the access request of system information.
15. base stations according to claim 14, it is characterised in that
The first processing module, be additionally operable to first judge module determine base station be in first state when, Send terminal and set up the first parameter required when RRC connects.
16. base stations according to claim 14, it is characterised in that the system information includes one group The set of system configuration parameter or system configuration parameter more than two composition, accordingly,
The first processing module, be additionally operable to first judge module determine base station be in first state when, At least one call number is sent, each call number is corresponding to one group of system configuration parameter in the system information.
17. base stations according to claim 14, it is characterised in that
The first processing module, be additionally operable to first judge module determine base station be in first state when, And when determining that the system information has altered, it is switched to second state.
18. base stations according to claim 14, it is characterised in that
First judge module, is additionally operable to determine that base station is switched to first shape from second state in advance State, and the result is notified into the first processing module;Accordingly,
The first processing module, is additionally operable to specify at least one terminal in coverage to exist according to the result When the base station is in first state, the system information is sent.
19. a kind of terminals of Transmission system information, it is characterised in that the terminal includes:
Second judge module, for receiving and analyze base station transmission message;Based on disappearing that the base station sends Cease the working condition to the base station to judge, and will determine that result notifies Second processing module;
Wherein, the working condition includes:First state and the second state;The first state, for table The load of this cell is levied less than predetermined threshold value, the base station in first state sends and characterizes itself in first First configured information of state;Second state, for characterize the load of this cell higher than predetermined threshold value, Or for characterizing the first request message quantity that this cell receives higher than predetermined threshold value, first request Message is:Obtain the access request of system information;
Second processing module, during for determining that the base station is in first state, sending first request and disappearing Breath, receives the system information that the base station is sent by RRC signaling;Determine that the base station is in the second state When, receive the system information that base station sends according to predetermined period.
20. terminals according to claim 19, it is characterised in that the system information that the base station sends Including:The system information of at least one cell.
21. terminals according to claim 20, it is characterised in that
Second judge module, is additionally operable to analyze the system information that base station sends, based on the system information Obtain base station and send the time-frequency location used during the system information of second community;It is little that the terminal is located at first Area;
The Second processing module, is additionally operable to according to the time-frequency location, receives the system that the base station sends The system information of second community described in information.
22. terminals according to claim 19, it is characterised in that second judge module judges institute State base station in first state when, the Second processing module includes:
First transmitting element, for sending the second request message to second terminal;Second request message is used The system information of respective cell is obtained in the terminal, the mark of the cell is carried in second request message;
Judging unit, for judging whether the second terminal carries the system information of the pre-acquiring, if It is then to set up with the second terminal and be connected;
First receiving unit, for receiving the system letter of the cell of the pre-acquiring that the second terminal sends Breath.
23. terminals according to claim 19, it is characterised in that second judge module judges institute State base station in first state when, the Second processing module includes:
Monitoring unit, for the message on communication link between monitor terminal;The message includes:Third terminal The system information of at least one cell of broadcast;The mark of at least one cell is carried in the system information Know;
Determining unit, for based on the mark, the system for determining the cell of the third terminal broadcast Information is the system information of pre-acquiring;
Second transmitting element, for sending the 3rd request message to the third terminal;3rd request disappears The system information for obtaining respective cell for the terminal is ceased, in the 3rd request message cell is carried Mark;
Second receiving unit, for receiving the system information of the pre-acquiring that the third terminal sends.
CN201510752476.5A 2015-11-06 2015-11-06 System information transmission method and device Active CN106686693B (en)

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