CN102651890B - Method and device for transmitting system information - Google Patents
Method and device for transmitting system information Download PDFInfo
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- CN102651890B CN102651890B CN201110045525.3A CN201110045525A CN102651890B CN 102651890 B CN102651890 B CN 102651890B CN 201110045525 A CN201110045525 A CN 201110045525A CN 102651890 B CN102651890 B CN 102651890B
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Abstract
The invention discloses a method and a system which are used for transmitting system information and applicable to an LTE-LAN (Long Term Evolution-Local Area Network) system, and achieve more simple and feasible transmission of the system information and an improvement in the transmission efficiency of the system information. The method comprises the steps as follows: determining transmission configuration parameters of a master information block (MIB) of the system and various types of system information blocks (SIB); and according to a semi-static configuration manner and the transmission configuration parameters of the MIB, sending the MIB, and sending the various types of the SIBs according to the transmission configuration parameters of each type of the SIBs.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of transmission method and device of system information.
Background technology
In order to meet the demand of the growing data service of user, a kind of based on Long Term Evolution (LTE, LongTerm Evolution) wireless network access scheme---the LAN (LTE-LAN of Long Term Evolution of system, Long Term Evolution Local Area Network) system, arise at the historic moment.LTE-LAN system, by building Local wireless network, provides the network coverage and wireless access service by access point (AP, the Access Point) equipment of LTE-LAN system for user.Because LTE-LAN system have employed the network architecture of flattening, it simply and at low cost can realize subscriber equipment (UE, the User Equipment) access to external network.
Existing LTE-LAN is divided into two kinds of network architectures: public LTE-LAN network and personal LTE-LAN network.
Public LTE-LAN network is generally operator and uses, and is connected, controls by operator, comprise authentication, charging, equipment control etc. with the equipment of the core network of operator.
Personal LTE-LAN network is generally family and enterprise and uses by oneself network, is usually transferred in wireless access AP by IP routing function, realizes data directly by AP accessing Internet (Internet) and/or in-house network (Intranet).
In LTE system, the main contents of system information are as shown in the table:
The transmission method of the system information in LTE system is as follows:
Be fixed as 40 milliseconds (ms) see Fig. 1, MIB transmission cycle, in the cycle, every 10ms retransmits identical content.The transmission of MIB is fixed on the subframe 0 of each SFN, transmits first from the radio frames of SFN mod 4=0.
Be fixed as 80ms see Fig. 2, SIB1 transmission cycle, in the cycle, every 20ms retransmits identical content.The transmission of SIB1 is fixed on the subframe 5 of even number radio frames, transmits first from the radio frames of SFN mod 8=0.
The transmission of the system information (SI, system information) of the SIB of other types is transmitted by the interior dynamic dispatching mode of periodic time window (SI-windows).Each SI information association SI-window, the SI-window of different SI information is not overlapping each other.The SI-window of all SI information is identical and configure by SIB1.In time window, the SI information that UE is corresponding allows (MBSFN sub-frame, TDD sub-frame of uplink and SIB1 send except subframe) scheduled transmission in any subframe.
System information update method in LTE system is as follows:
Configuration-system information can revise the cycle in SI message, the system information contents within the amendment cycle can not change, and within an amendment cycle, system information may send repeatedly, and the system information contents repeatedly sent is identical.System information modification can only occur in the start time in amendment cycle of next system information, namely after UE learns changing system information, monitors new system information in next one amendment start time in cycle.The boundary definition in amendment cycle is as follows:
SFN mod m＝0
Wherein, SFN is System Frame Number, and m is amendment cycle (unit is radio frames).
The advice method that system information changes has two kinds:
Network side uses beep-page message, notice Idle state and connected state UE changing system information, and UE started to monitor new system information in the next one amendment cycle;
Carry in SIB1 and change mark (value tag) information, if the value tag that reads of UE and the difference that stores before, then expression will read system information again; In addition, the term of validity of UE storing system information is 3 hours, exceed this event then UE need read system information again.
Before terminal obtains new system information, terminal continues to use old system information.
In sum, the system information contents under LTE system of the prior art is various, and transmission and update mechanism complexity, the needs of LTE-LAN system cannot be adapted to well.For LTE-LAN system, need the content of optimization system information, use simpler, feasible system information transmissions and update mechanism.But also do not provide relevant programme at present.
Summary of the invention
Embodiments provide a kind of system information transmission method and device, in order in LTE-LAN system, realize simpler, the feasible transmission of system information, improve system information transmissions efficiency.
A kind of system information sending method that the embodiment of the present invention provides comprises:
Determine the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
According to semi-static configuration mode, according to the transmission configuration parameter of MIB, send MIB, according to the transmission configuration parameter of the SIB of every type, send the SIB of the type.
A kind of system information update method that the embodiment of the present invention provides comprises:
Certainty annuity information changes;
By radio resource control RRC dedicated signaling, or common notification information, message notice system information being occurred to change is to user equipment (UE).
A kind of system information reception method that the embodiment of the present invention provides comprises:
Determine the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
According to semi-static configuration mode, according to the transmission configuration parameter of MIB, receive MIB, according to the transmission configuration parameter of the SIB of every type, receive the SIB of the type.
A kind of system information update method that the embodiment of the present invention provides comprises:
By radio resource control RRC dedicated signaling, or common notification information, obtain the information that system information occurs to change;
Utilize system information that the information changed occurs, determine the system information after changing.
A kind of system information dispensing device that the embodiment of the present invention provides comprises:
Transmission configuration parameter determination unit, for determining the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
Transmitting element, for according to semi-static configuration mode, according to the transmission configuration parameter of MIB, sends MIB, according to the transmission configuration parameter of the SIB of every type, sends the SIB of the type.
A kind of system information updating device that the embodiment of the present invention provides comprises:
Change determining unit, change for certainty annuity information;
Notification unit, for passing through radio resource control RRC dedicated signaling, or common notification information, message notice system information being occurred to change is to user equipment (UE).
A kind of System Information reception device that the embodiment of the present invention provides comprises:
Transmission configuration parameter determination unit, for determining the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
Receiving element, for according to semi-static configuration mode, according to the transmission configuration parameter of MIB, receives MIB, according to the transmission configuration parameter of the SIB of every type, receives the SIB of the type.
A kind of system information updating device that the embodiment of the present invention provides comprises:
Lastest imformation acquiring unit, for passing through radio resource control RRC dedicated signaling, or common notification information, obtain the information that system information occurs to change;
Upgrade content determining unit, the information changed occurs for utilizing system information, determine the system information after changing.
The embodiment of the present invention, determines the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB; According to semi-static configuration mode, according to the transmission configuration parameter of MIB, send MIB, according to the transmission configuration parameter of the SIB of every type, send the SIB of the type, thus in LTE-LAN system, achieve simpler, the feasible delivery plan of system information, improve the system information transmitting efficiency of LTE-LAN.
The embodiment of the present invention, determines the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB; According to semi-static configuration mode, according to the transmission configuration parameter of MIB, receive MIB, according to the transmission configuration parameter of the SIB of every type, receive the SIB of the type, thus in LTE-LAN system, achieve simpler, the feasible reception programme of system information, improve the System Information reception efficiency of LTE-LAN.
The embodiment of the present invention, certainty annuity information changes; By radio resource control RRC dedicated signaling, or common notification information, message notice system information being occurred to change to user equipment (UE), thus achieves the system information change scheme in LTE-LAN system at network side.
The embodiment of the present invention, by radio resource control RRC dedicated signaling, or common notification information, obtain the information that system information occurs to change; Utilize system information that the information changed occurs, determine the system information after changing, thus achieve the system information change scheme in LTE-LAN system in end side.
Accompanying drawing explanation
Fig. 1 is that in existing LTE system, MIB transmits schematic diagram;
Fig. 2 is that in existing LTE system, SIB transmits schematic diagram;
The schematic flow sheet of a kind of system information sending method that Fig. 3 provides for the embodiment of the present invention;
The schematic flow sheet of a kind of system information update method that Fig. 4 provides for the embodiment of the present invention;
The schematic flow sheet of a kind of system information reception method that Fig. 5 provides for the embodiment of the present invention;
The schematic flow sheet of a kind of system information update method that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of system information dispensing device that Fig. 7 provides for the embodiment of the present invention;
The structural representation of a kind of system information updating device that Fig. 8 provides for the embodiment of the present invention;
The structural representation of a kind of System Information reception device that Fig. 9 provides for the embodiment of the present invention;
The structural representation of a kind of system information updating device that Figure 10 provides for the embodiment of the present invention.
Detailed description of the invention
Embodiments provide a kind of system information transmission method and device, in order in LTE-LAN system, realize simpler, the feasible transmission of system information, improve system information transmissions efficiency.
For LTE-LAN system, system information in existing LTE system has too much redundancy, LTE-LAN SNA and application scenarios simplify more, therefore the embodiment of the present invention gives the system information processing scheme of the optimization matched with LTE-LAN system, comprises the optimization of its content, transmission means and update mode.
In the embodiment of the present invention, the particular content that system information only retains MIB and a small amount of SIB, SIB has also re-started definition; The transmission means of MIB and SIB1 is same as the prior art, and other SIB adopt semi-static transmission means (no longer adopting the mechanism of the dynamic dispatching based on system information window in LTE system); The more new information of system information, only notifies the UE of connected state, particularly, can adopt following several mode:
Mode one: use wireless heterogeneous networks (RRC, Radio Resource Control) dedicated signaling notice system information to change, then, UE independently reads the system information after upgrading again.
Mode two: the system information after using RRC dedicated signaling notice to change or the changed content of system information.
Mode three: use common notification information notifying system information to change, then, UE independently reads the system information after upgrading again.
Wherein, common notification information can be rrc layer information or physical layer information.The time-domain position that this information occurs is by system information broadcast or specify in the protocol, and UE receives this rrc message or physical layer information in relevant position.The scheduling of the subframe at this common notification information place, can by new Radio Network Temporary Identifier (RNTI, Radio Network Temporary Identifier) carry out identifying (as SIC-RNTI, System Information Change RNTI).If rrc layer information, all UE, after this position receives the PDCCH of SIC-RNTI mark, receive this rrc layer information according to schedule information wherein to relevant position.If physical layer information, then this physical layer information can directly be carried in the PDCCH of this subframe.
Below in conjunction with accompanying drawing, the technical scheme that the embodiment of the present invention provides is described.
At network side, see Fig. 3, a kind of system information sending method that the embodiment of the present invention provides comprises step:
S101, determine the transmission configuration parameter of host system message block MIB and the transmission configuration parameter of various types of system information block SIB.
S102, according to semi-static configuration mode, according to the transmission configuration parameter of MIB, send MIB, according to the transmission configuration parameter of the SIB of every type, send the SIB of the type.
Preferably, the transmission configuration parameter of described MIB, comprising: the transmission cycle of MIB, subframe position, repetition period and amendment cycle;
The transmission configuration parameter of the SIB of described every type, comprising: the transmission cycle of the SIB of every type, subframe position, repetition period and amendment cycle.
Preferably, the method also comprises:
By SIB1, by the SIB type information except SIB1, and the transmission configuration parameter of these type SIB, inform user equipment (UE).Wherein, the described SIB type information except SIB1, comprising: the title of the SIB except SIB1, and the class number of SIB.
Such as: the class number of the SIB in the SIB type information except SIB1, can be 3, represent except SIB1 to also have three kinds of SIB; The title of SIB comprises SIB2, SIB3 and SIB4, represents that three kinds of SIB except SIB1 are SIB2, SIB3 and SIB4 respectively.
Wherein, according to semi-static configuration mode, according to the transmission configuration parameter of MIB, send MIB, and according to the transmission configuration parameter of SIB1, send SIB1, employing be prior art.Meanwhile, for the SIB of other types, also adopt similar approach to send, namely according to transmission cycle corresponding to the SIB of each type, subframe position, re-transmission period, amendment cycle, carry out the transmission of the SIB of the type.
Preferably, the method also comprises:
By radio resource control RRC dedicated signaling, notifying user equipment UE system information changes.
Or the method also comprises:
By radio resource control RRC dedicated signaling, the complete system information after changing is informed to user equipment (UE), or, by the renewal context notification of system information to user equipment (UE).
At network side, see a kind of system information update method that Fig. 4, the embodiment of the present invention provide, comprise step:
S201, certainty annuity information change;
Wherein how certainty annuity information changes, employing be prior art, do not repeated at this.
S202, by radio resource control RRC dedicated signaling, or common notification information, message notice system information being occurred to change is to user equipment (UE).
Preferably, there is the information changed in described system information, comprising:
There is the identification information changed in system information; Or,
System information after change; Or,
The changed content of system information.
Preferably, when passing through RRC dedicated signaling, when message notice system information generation changed is to UE, described RRC dedicated signaling is that RRC connects reallocation message;
When passing through common notification information, when message notice system information generation changed is to UE, described common notification information is rrc layer information or physical layer information.
The executive agent of above-mentioned network side system method for sending information can be AP.
Correspondingly, in end side, see Fig. 5, a kind of system information reception method that the embodiment of the present invention provides comprises step:
S301, determine the transmission configuration parameter of host system message block MIB and the transmission configuration parameter of various types of system information block SIB;
S302, according to semi-static configuration mode, according to the transmission configuration parameter of MIB, receive MIB, according to the transmission configuration parameter of the SIB of every type, receive the SIB of the type.
Preferably,
The transmission configuration parameter of described MIB, comprising: the transmission cycle of MIB, subframe position, repetition period and amendment cycle;
The transmission configuration parameter of the SIB of described every type, comprising: the transmission cycle of the SIB of every type, subframe position, repetition period and amendment cycle.
Preferably, the described transmission configuration parameter determining various types of system information block SIB, comprising:
Determine the transmission configuration parameter of SIB1; And,
By SIB1, determine the SIB type information except SIB1, and the transmission configuration parameter of these type SIB.
Wherein, according to semi-static configuration mode, according to the transmission configuration parameter of MIB, receive MIB, and according to the transmission configuration parameter of SIB1, receive SIB1, employing be prior art.Meanwhile, for the SIB of other types, also adopt similar approach to receive, namely according to transmission cycle corresponding to the SIB of each type, subframe position, re-transmission period, amendment cycle, carry out the reception of the SIB of the type.
Preferably, the method also comprises:
By radio resource control RRC dedicated signaling, certainty annuity information changes, and from next amendment cycle, the again read system information after certainty annuity information changes.
Preferably, the method also comprises:
By radio resource control RRC dedicated signaling, obtain the complete system information after changing, or, obtain the more fresh content of system information.
In end side, see Fig. 6, a kind of system information update method that the embodiment of the present invention provides comprises step:
S401, by radio resource control RRC dedicated signaling, or common notification information, obtains the information that system information occurs to change;
S402, the information utilizing system information generation to change, determine the system information after changing.
Preferably, there is the information changed in described system information, comprising:
There is the identification information changed in system information; Or,
System information after change; Or,
The changed content of system information.
Preferably, when passing through RRC dedicated signaling, when obtaining the information of system information generation change, described RRC dedicated signaling is that RRC connects reallocation message;
When passing through common notification information, when obtaining the information of system information generation change, described common notification information is rrc layer information or physical layer information.
Provide several specific embodiment below.
Embodiment one: about the system information contents in LTE-LAN system.
In the embodiment of the present invention, the system information in regulation LTE-LAN system can comprise: MIB and SIB, wherein:
The content of MIB comprises: cell downlink bandwidth, PHICH configuration and SFN.
The content of SIB comprises: whether PLMN ID, TAC, community ID, community allow to access the schedule information (i.e. the wireless frame period (i.e. transmission cycle) of the transmission of the SIB of other types, subframe position and repetition period etc.) of mark, the maximum uplink transmission power of terminal, upstream bandwidth, upstream frequency, TDD subframe configuration information, other SIB; Whether Access Control relevant information (namely allows the access of caller or the type of call such as called, same LTE system), the title of the timer of Radio Resource common configuration information, connection establishment process and timing length, timing advance timer (TA timer, timing alignment/advance timer) title and timing length, and AP name, etc.
The content of above SIB, can be placed in the SIB of a type and transmit, and also can be transmitted by the SIB of multiple type.
Such as: SIB SIB being divided into SIB1, SIB2 and SIB3 tri-types, wherein, whether SIB1 transmission PLMN ID, TAC, community ID, community allow the schedule information accessing mark, the maximum uplink transmission power of terminal, upstream bandwidth, upstream frequency, TDD subframe configuration information and other types SIB; The timer of SIB2 transmission Access Control relevant information, Radio Resource common configuration information, connection establishment process and TA timer; SIB3 transmits AP name.
Certainly, can also have more eurypalynous SIB, the concrete SIB dividing how many types, depends on embody rule.
Embodiment two: about the transmission mechanism of the system information in LTE-LAN.
In the embodiment of the present invention, the system information in LTE-LAN, transmits according to semi-static configuration mode, specific as follows:
The transmission means of MIB with SIB1 is identical with LTE prior art;
The SIB of other types also uses the transmission means of similar MIB and SIB1, the transmission configuration parameter of the SIB of other types, comprise the wireless frame period (i.e. transmission cycle) of transmission, subframe position and repetition period, UE can be broadcast to by SIB1, or prespecified by agreement, namely make an appointment the transmission configuration parameter of SIB of other types in network side and UE side.
Wherein, the transmission configuration parameter of the SIB of other types, such as:
Wireless frame period can be 160ms, 320ms, 640ms, 1280ms, 2560ms or 5120ms etc.;
Subframe position can be the position of 0,1,2,3,4,6,7,8 or 9 work song frames, wherein, for TDD system, needs to get rid of TDD sub-frame of uplink.
Repetition period can represent with number of times, such as, can be 1,2 or 4, represents that SIB same in each transmission cycle can repeat the number of times sent.Repetition period also can use time representation, such as, can be 160ms, 320ms or 640ms etc., represents that SIB same in each transmission cycle is every how long retransferring once.
Within an amendment cycle, the SIB of each type can repeat to send repeatedly, and its repetition period depends on the design parameter configuration that SIB1 broadcasts or agreement is prespecified.
The transmission cycle of dissimilar SIB, subframe position and repetition period, can be different, such as, the transmission cycle of SIB1 with SIB2 is different, and subframe position difference, the repetition period is also different.
But the amendment cycle of all types of system information is all the same, this amendment cycle can by SIB1 or SIB2 broadcast.
Except SIB1, also have the SIB of which type, also can be broadcasted by SIB1.
Embodiment three: about the system information update mechanism in LTE-LAN.
When generation systems information changes, network side (can be specifically AP), by RRC dedicated signaling notice UE, this signaling can be that RRC connects reallocation message, also can be the message of other new definition.In this message only by a mark notify UE current area whether generation systems information changes, this mark can be a bit (bit), such as, represents that generation systems information is changed when this bit position is 1.
Or use the message of new definition, message content is empty, as long as UE receives this message just think that system information there occurs change.
After UE determines that generation systems information changes, UE, from the next one amendment cycle, reads the system information of current area again.
Embodiment four: about the system information update mechanism in LTE-LAN.
The transmission means of system information does not limit.When generation systems information is changed, network side (can be specifically AP) is by RRC dedicated signaling, this signaling can be that RRC connects reallocation message, also can be the message of other new definition, by the complete system information after renewal, or the more fresh content of system information (mode namely notified by increment is upgraded), sends to UE.
That is, by whole new system informations, also only the part (content that namely upgrade) different from current system information can be sent to UE.
After UE receives this message, the system information of current storage is upgraded, then carry out work according to new system information.UE can directly use new system information, also can revise the cycle from the next one, uses new system information, specifically takes which kind of mode can be configured by network side, also can be made an appointment by agreement.
Embodiment five: about the system information update mechanism in LTE-LAN.
When generation systems information changes, network side (can be specifically AP), uses common notification information notifying system information to change, so-called common notification information, namely to the announcement information that all UE are suitable for, the content of the common notification information that each UE receives is the same.This common notification information can be the information of rrc layer or physical layer.
The time-domain position (comprising radio frames and subframe position) that common notification information occurs, can be undertaken broadcasting (being such as carried in SIB1) by system information, or specify in the protocol.Such as: the time-domain position that common notification information occurs can be last subframe in each system information modification cycle.Then, the time-domain position that UE occurs in common notification information receives common notification information.
The schedule information of the subframe at common notification information place, can be identified by new RNTI, and the RNTI (SIC-RNTI, System Information Change RNTI) such as upgraded by system information is identified.Wherein, SIC-RNTI can be represented by 16 bits that agreement is prespecified.
If common notification information is rrc layer information, after all UE receive SIC-RNTI, utilize SIC-RNTI to Physical Downlink Control Channel (PDCCH, Physical Downlink Control Channel) carry out descrambling, obtain the schedule information of the subframe at the common notification information place of carrying in PDCCH, this schedule information is utilized to obtain rrc layer information from Physical Downlink Shared Channel (PDSCH, Physical Downlink Shared Channel).
If common notification information is physical layer information, then can directly be carried in PDCCH, after namely UE receives SIC-RNTI, after utilizing SIC-RNTI to carry out descrambling to PDCCH, from PDCCH, obtain this physical layer information.
When UE receives for notifying common notification information that system information changes, after determining that generation systems information changes, UE, from the next one amendment cycle, reads the system information of current area again.
In the embodiment of the present invention, also can pass through common notification information, by the system information after changing or the changed content of system information, inform UE.
At network side, see Fig. 7, a kind of system information dispensing device that the embodiment of the present invention provides, comprising:
Transmission configuration parameter determination unit 101, for determining the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
Transmitting element 102, for according to semi-static configuration mode, according to the transmission configuration parameter of MIB, sends MIB, according to the transmission configuration parameter of the SIB of every type, sends the SIB of the type.
Preferably, described transmitting element 102, by SIB1, by the SIB type information except SIB1, and the transmission configuration parameter of these type SIB, inform user equipment (UE).
Preferably, this device also comprises:
Notice updating block 103, for passing through radio resource control RRC dedicated signaling, notifying user equipment UE system information changes.
Preferably, this device also comprises:
Notice upgrades content element 104, for by radio resource control RRC dedicated signaling, the complete system information after changing is informed to user equipment (UE), or, by the renewal context notification of system information to user equipment (UE).
In the system information dispensing device that the embodiment of the present invention provides, a unit in notice updating block 103 and notice renewal content element 104 can be comprised, also can comprise these two unit simultaneously.
Preferably, a kind of system information dispensing device that the embodiment of the present invention provides can be AP.
At network side, see Fig. 8, a kind of system information updating device that the embodiment of the present invention provides comprises:
Change determining unit 201, change for certainty annuity information;
Notification unit 202, for passing through radio resource control RRC dedicated signaling, or common notification information, message notice system information being occurred to change is to user equipment (UE).
Preferably, the information that the system information generation that described notification unit 202 informs UE is changed, comprising:
There is the identification information changed in system information; Or,
System information after change; Or,
The changed content of system information.
Preferably, when described notification unit 202 is by RRC dedicated signaling, when message notice system information generation changed is to UE, described notification unit 202 connects reallocation message by RRC, and message notice system information being occurred to change is to UE;
When described notification unit 202 is by common notification information, when message notice system information generation changed is to UE, described notification unit 202 is by rrc layer information or physical layer information, and message notice system information being occurred to change is to UE.
Preferably, the system information updating device shown in Fig. 8 can be AP.
In end side, see Fig. 9, a kind of System Information reception device that the embodiment of the present invention provides, comprising:
Transmission configuration parameter determination unit 301, for determining the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
Receiving element 302, for according to semi-static configuration mode, according to the transmission configuration parameter of MIB, receives MIB, according to the transmission configuration parameter of the SIB of every type, receives the SIB of the type.
Preferably, described transmission configuration parameter determination unit 301, by SIB1, determines the SIB type information except SIB1, and the transmission configuration parameter of these type SIB.
Preferably, this device also comprises:
Determine updating block 303, for passing through radio resource control RRC dedicated signaling, certainty annuity information changes, and from next amendment cycle, again read system information.
Preferably, this device also comprises:
Obtain and upgrade content element 304, for by radio resource control RRC dedicated signaling, obtain the complete system information after changing, or, obtain the more fresh content of system information.
In the System Information reception device that the embodiment of the present invention provides, can comprise and determine updating block 303 and obtain the unit upgraded in content element 304, also can comprise these two unit simultaneously.
Preferably, a kind of System Information reception device that the embodiment of the present invention provides can be UE.
In end side, see Figure 10, a kind of system information updating device that the embodiment of the present invention provides comprises:
Lastest imformation acquiring unit 401, for passing through radio resource control RRC dedicated signaling, or common notification information, obtain the information that system information occurs to change;
Upgrade content determining unit 402, the information changed occurs for utilizing system information, determine the system information after changing.
Preferably, there is the information changed in the system information that described lastest imformation acquiring unit 401 obtains, comprising:
There is the identification information changed in system information; Or,
System information after change; Or,
The changed content of system information.
Preferably, when described lastest imformation acquiring unit 401 is by RRC dedicated signaling, when obtaining the information of system information generation change, described lastest imformation acquiring unit 401 connects reallocation message by RRC, obtains the information that system information occurs to change;
When described lastest imformation acquiring unit 401 is by common notification information, when obtaining the information of system information generation change, described lastest imformation acquiring unit 401, by rrc layer information or physical layer information, obtains the information that change occurs system information.
Preferably, the system information updating device shown in Figure 10 can be UE.
In sum, in the embodiment of the present invention, regulation for the system information contents of LTE-LAN comprises: except having carried out the system information of existing LTE system reducing, in SIB1, also increased information unlike the prior art newly, which SIB comprises current area except SIB1 also comprises, and the wireless frame period of these SIB, subframe position and number of repetition etc.System information transmissions mechanism for LTE-LAN: except MIB and SIB1, other SIB also adopt the mode of semi-static transmission.System information update mechanism for LTE-LAN: use RRC dedicated signaling notice system information to change, UE independently reads corresponding system information again; System information after using RRC dedicated signaling notice to change, can be whole system information, also can adopt the mode that increment notifies, only notify the system information contents upgraded.
As can be seen here, the embodiment of the present invention simplifies the system information contents in LTE system, proposes new system information transmissions mode and update mechanism, improves the system information transmissions efficiency of LTE-LAN, make it can the global design of adaptive system, work better.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (22)
1. a system information sending method, is characterized in that, the method comprises:
Determine the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
According to semi-static configuration mode, according to the transmission configuration parameter of MIB, send MIB, according to the transmission configuration parameter of the SIB of every type, send the SIB of the type.
2. method according to claim 1, is characterized in that, the transmission configuration parameter of described MIB, comprising: the transmission cycle of MIB, subframe position, repetition period and amendment cycle;
The transmission configuration parameter of the SIB of described every type, comprising: the transmission cycle of the SIB of every type, subframe position, repetition period and amendment cycle.
3. method according to claim 2, is characterized in that, the method also comprises:
By SIB1, by the SIB type information except SIB1, and the transmission configuration parameter of these type SIB, inform user equipment (UE).
4. method according to claim 1, is characterized in that, the method also comprises:
Certainty annuity information changes;
By radio resource control RRC dedicated signaling, or common notification information, message notice system information being occurred to change is to user equipment (UE).
5. method according to claim 4, is characterized in that, the information changed occurs described system information, comprising:
There is the identification information changed in system information; Or,
System information after change; Or,
The changed content of system information.
6. the method according to claim 4 or 5, is characterized in that, when passing through RRC dedicated signaling, when message notice system information generation changed is to UE, described RRC dedicated signaling is that RRC connects reallocation message;
When passing through common notification information, when message notice system information generation changed is to UE, described common notification information is rrc layer information or physical layer information.
7. a system information reception method, is characterized in that, the method comprises:
Determine the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
According to semi-static configuration mode, according to the transmission configuration parameter of MIB, receive MIB, according to the transmission configuration parameter of the SIB of every type, receive the SIB of the type.
8. method according to claim 7, is characterized in that,
The transmission configuration parameter of described MIB, comprising: the transmission cycle of MIB, subframe position, repetition period and amendment cycle;
The transmission configuration parameter of the SIB of described every type, comprising: the transmission cycle of the SIB of every type, subframe position, repetition period and amendment cycle.
9. method according to claim 8, is characterized in that, the described transmission configuration parameter determining various types of system information block SIB, comprising:
Determine the transmission configuration parameter of SIB1; And,
By SIB1, determine the SIB type information except SIB1, and the transmission configuration parameter of these type SIB.
10. method according to claim 7, is characterized in that, the method also comprises:
By radio resource control RRC dedicated signaling, or common notification information, obtain the information that system information occurs to change;
Utilize system information that the information changed occurs, determine the system information after changing.
11. methods according to claim 10, is characterized in that, the information changed occurs described system information, comprising:
There is the identification information changed in system information; Or,
System information after change; Or,
The changed content of system information.
12. methods according to claim 10 or 11, is characterized in that, when by RRC dedicated signaling, obtain system information when there is the information changed, described RRC dedicated signaling is that RRC connects reallocation message;
When passing through common notification information, when obtaining the information of system information generation change, described common notification information is rrc layer information or physical layer information.
13. 1 kinds of system information dispensing devices, is characterized in that, this device comprises:
Transmission configuration parameter determination unit, for determining the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
Transmitting element, for according to semi-static configuration mode, according to the transmission configuration parameter of MIB, sends MIB, according to the transmission configuration parameter of the SIB of every type, sends the SIB of the type.
14. devices according to claim 13, is characterized in that, described transmitting element, by SIB1, by the SIB type information except SIB1, and the transmission configuration parameter of these type SIB, inform user equipment (UE).
15. devices according to claim 13, is characterized in that, this device also comprises:
Change determining unit, change for certainty annuity information;
Notification unit, for passing through radio resource control RRC dedicated signaling, or common notification information, message notice system information being occurred to change is to user equipment (UE).
16. devices according to claim 15, is characterized in that, the information that the system information generation that described notification unit informs UE is changed, and comprising:
There is the identification information changed in system information; Or,
System information after change; Or,
The changed content of system information.
17. devices according to claim 15 or 16, is characterized in that,
When described notification unit is by RRC dedicated signaling, when message notice system information generation changed is to UE, described notification unit connects reallocation message by RRC, and message notice system information being occurred to change is to UE;
When described notification unit is by common notification information, when message notice system information generation changed is to UE, described notification unit is by rrc layer information or physical layer information, and message notice system information being occurred to change is to UE.
18. 1 kinds of System Information reception devices, is characterized in that, this device comprises:
Transmission configuration parameter determination unit, for determining the transmission configuration parameter of host system message block MIB, and the transmission configuration parameter of various types of system information block SIB;
Receiving element, for according to semi-static configuration mode, according to the transmission configuration parameter of MIB, receives MIB, according to the transmission configuration parameter of the SIB of every type, receives the SIB of the type.
19. devices according to claim 18, is characterized in that, described transmission configuration parameter determination unit, by SIB1, determine the SIB type information except SIB1, and the transmission configuration parameter of these type SIB.
20. devices according to claim 18, is characterized in that, this device also comprises:
Lastest imformation acquiring unit, for passing through radio resource control RRC dedicated signaling, or common notification information, obtain the information that system information occurs to change;
Upgrade content determining unit, the information changed occurs for utilizing system information, determine the system information after changing.
21. devices according to claim 20, is characterized in that, the information changed occurs the system information that described lastest imformation acquiring unit obtains, and comprising:
There is the identification information changed in system information; Or,
System information after change; Or,
The changed content of system information.
22. devices according to claim 20 or 21, is characterized in that,
When described lastest imformation acquiring unit is by RRC dedicated signaling, when obtaining the information of system information generation change, described lastest imformation acquiring unit connects reallocation message by RRC, obtains the information that system information occurs to change;
When described lastest imformation acquiring unit is by common notification information, when obtaining the information of system information generation change, described lastest imformation acquiring unit, by rrc layer information or physical layer information, obtains the information that change occurs system information.
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