CN104219767A - System information transmission method, base station and terminal - Google Patents

System information transmission method, base station and terminal Download PDF

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Publication number
CN104219767A
CN104219767A CN201410105962.3A CN201410105962A CN104219767A CN 104219767 A CN104219767 A CN 104219767A CN 201410105962 A CN201410105962 A CN 201410105962A CN 104219767 A CN104219767 A CN 104219767A
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China
Prior art keywords
system information
described
subframe
time window
window size
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CN201410105962.3A
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Chinese (zh)
Inventor
陈宪明
戴博
鲁照华
方惠英
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中兴通讯股份有限公司
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Priority to CN201410105962.3A priority Critical patent/CN104219767A/en
Publication of CN104219767A publication Critical patent/CN104219767A/en

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    • 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
    • H04W48/12Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Abstract

The invention provides a system information transmission method, a base station and a terminal. The system information transmission method includes: setting size of a merging time window of system information through the base station; transmitting the system information according to the size of the merging time window of the system information through the base station, wherein the system information refers to a first system information block or one of all optional system information messages. The problem that no good solution exists in anticipant SIB (system information blocks or SI (system information) coverage enhancement goal by the aid of existing SIB or SI transmission mechanism and a parameter configuration set can be solved.

Description

A kind of system information transmission method, base station and terminal

Technical field

The present invention relates to wireless communication field, be specifically related to a kind of system information transmission method, base station and terminal.

Background technology

Machine type communication (Machine Type Communication, be called for short MTC) also known as machine to machine (Machine To Machine, being called for short M2M) subscriber equipment (User Equipment, be called for short UE) or terminal be the main application form of present stage Internet of Things.Low power consumption and low cost is that it can the important leverage of large-scale application.Current M2M technology has obtained the support of international well-known manufacturer and the accreditations of various countries mobile operator such as NEC, HP, CA, Intel, IBM, AT & T.The M2M equipment of existing market deploy is mainly based on global mobile communication (Global System of Mobile communication is called for short GSM) system.In recent years, because the spectrum efficiency of Long Term Evolution (Long Term Evolution is called for short LTE) is high, more and more mobile operator selects LTE as the evolution tendency of future broadband wireless communication system.M2M data service based on LTE also will be more attractive.

The system information of existing LTE system comprises: Master Information Block (Master Information Block is called for short MIB), and system information block (System Information Block is called for short SIB) 1 to system information block 16.Wherein, MIB comprises several the most necessary limited and transmission parameter the most frequently, SIB1 comprises the schedule information etc. whether allowing terminal to access community and other system information (System Information is called for short SI), SIB2 comprises Radio Resource common configuration information etc., SIB3 comprises same/alien frequencies and different system cell gravity treatment common configuration information etc., SIB4 and SIB5 comprises with frequency and alien-frequency district gravity treatment relevant information etc. respectively, SIB6 to SIB8 comprises universal mobile telecommunications system (Universal Mobile T-elecommunication System respectively, be called for short UMTS) terrestrial wireless access (UMTS Terrestrial Ra-dio Access, be called for short UTRA), global system for mobile communications (Global System for Mobile communication, be called for short GSM) enhanced data rates (Enhanced Data rates for GSM Evolution, be called for short EDGE) wireless access network (GSM EDGE Radio Access Network, be called for short GERAN) and code division multiple access access (Code Division Multiple Access, be called for short CDMA) 2000 system cell gravity treatment relevant informations etc., SIB9 comprises Home eNodeB (Home Node B) identification information etc., SIB10 and SIB11 comprises the primary and assistant notification information etc. of seismic sea wave warning system (Earthquake and Tsunami Warning System is called for short ETWS) respectively, SIB12 comprises commercial mobile alarm business (Commercial Mobile Alert Service is called for short CMAS) notice etc., SIB13 comprises multimedia broadcasting and multicast services (Multimedia Broadcast/Multicast Service is called for short MBMS) relevant information etc., SIB14 comprises expansion access and stops (Extended Access Barring is called for short EAB) for information about, SIB15 comprises MBMS area identification (Service Area Identity is called for short SAI) etc. that is current and/or adjacent carrier frequencies, SIB16 comprises the information relevant with coordinated universal time (Coordinated Uni-versal Time is called for short UTC) with global positioning system (Global Position System the is called for short GPS) time.

In existing LTE system, the dispatching cycle of SIB1 is fixed as 80ms, and in the cycle, every 20ms retransmits identical content, and the transmission of SIB1 is the subframe 5 being fixed on even number radio frames; Transmit first from SFN(system frame number) mod8 equal 0 radio frames (mod represents that remainder number operates).Other SIB(and SIB2 to SIB16 except SIB1) be mapped to different SI message, one of them SI message can only carry a SIB or carry multiple different SIB with the identical transmission cycle.The transmission of each SI message is undertaken by the dynamic dispatching mode in periodic SI time window (SI-window).Each SI message relating SI-window, the SI-window of different SI message is not overlapping each other.The SI-window of all SI message is identical and can pass through SIB1 flexible configuration.In time window, SI message corresponding to terminal allows except Multicast Broadcast Single Frequency Network (Multicast Broadcast Single Frequency Network, be called for short MBSFN) subframe, time division duplex (Time Division Duplex, be called for short TDD) sub-frame of uplink and SIB1 send beyond subframe any subframe in scheduled transmission.In addition, SIB1 and all SI message are all at Physical Downlink Shared Channel (Physical Downlink Shared Channel, be called for short PDSCH) upper transmission, and perform dynamic dispatching according to the Physical Downlink Control Channel (Physical Downlink Control Channel is called for short PDCCH) of bearing downlink assignment information.

Due to some MTC terminal be installed in house basement or by aluminum window or the building structure of traditional thick wall the position of covering, compared with normal LTE terminal, these terminals can experience quite serious penetration loss on radio frequency interface, thus need the covering strengthening above-mentioned MTC terminal.Wherein, the channel type strengthened is needed to comprise: Physical Downlink Shared Channel, Physical Uplink Shared Channel (Physical Uplink Shared Channel, be called for short PUSCH), physical downlink control channel PDCCH and Physical Uplink Control Channel (Physical Uplink Control Channel is called for short PUCCH) etc.The coverage enhancement of Physical Downlink Shared Channel comprises the coverage enhancement of system information (comprising SIB1 and SI) and the coverage enhancement of unicast data of broadcast nature.

In order to reduce impact on existing LTE standard and implementation complexity, for the MTC terminal of coverage enhancement, the suggestion of still continuing to use existing SIB or SI transmission mechanism and parameter configuration set is adopted by third generation partner program (the3rd Generation Partnership Project is called for short 3GPP).But the solution that SIB or the SI coverage enhancement target how utilizing existing SIB or SI transmission mechanism and parameter configuration set to realize expecting is still not good.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of method of system information transmissions, base station and terminal, with the problem of the still not good solution of SIB or the SI coverage enhancement target utilizing existing SIB or SI transmission mechanism and parameter configuration set to realize expecting.

In order to solve the problems of the technologies described above, the invention provides a kind of system information transmission method, comprising:

Base station arranges the merging time window size of system information;

Described base station sends described system information according to the merging time window size of system information, and wherein, described system information is system information block 1, or any one in all system informations.

Further, said method also has feature below:

The merging time window size that described base station arranges system information is fixed value, or is predefined L of merging in time window size; Wherein, described L be more than or equal to 1 positive integer.

Further, said method also has feature below:

If the merging time window size that described base station arranges system information is predefined L of merging in time window size, then described base station is by the merging time window size of system information described in the first control signal notification terminal, and described first control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.

Further, said method also has feature below: described base station, by the merging time window size of system information described in the first control signal notification terminal, comprises following any one:

Described base station is by the merging time window size of terminal system information block 1 described in the field signals in Master Information Block;

Described base station is by the merging time window size of terminal system information message described in the field signals in Master Information Block or system information block 1;

Described base station by the merging time window size of terminal system information-y message described in the field signals in system information-x message, wherein, x and y be more than or equal to 1 positive integer, and x is less than y.

Further, said method also has feature below: described base station sends described system information according to the merging time window size of system information, comprising:

The merging time window of described system information is determined according to the merging time window size of described system information in described base station;

The different subframes for carry described system information of described base station included by the merging time window of described system information, use the Physical Downlink Control Channel repeated to send the descending assignment information of described system information, and use the Physical Downlink Shared Channel repeated to send the data of described system information according to the descending assignment information of described system information.

Further, said method also has feature below: the described different subframes for carrying described system information, comprising:

For the different subframes of bearing system block of information 1, it is the subframe 5 in even number radio frames;

For carrying the different subframes of described system information, that whole in window of N number of scheduling time of comprising of the merging time window of the described system information that described base station is fixedly installed obtain subframe, or it is determined according in K config option of the predefined different subframes for carrying described system information, wherein, K be more than or equal to 1 positive integer

An instruction in a described K config option, whole in window of the N number of scheduling time comprised for the different subframes of the bearing system informational message merging time window that is described system information obtain subframe, or all can obtain a part for subframe for this.

Further, said method also has feature below:

If the different subframes for carrying described system information are determined according in K config option of the predefined different subframes for carrying described system information, then described base station by described in the second control signal notification terminal for carrying the different subframes of described system information, described second control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.

Further, said method also has feature below:

The described subframe that obtains comprises:

Except time division duplex sub-frame of uplink and system information block 1 send any subframe except subframe; Or

Except time division duplex sub-frame of uplink and special subframe and system information block 1 send any subframe except subframe; Or

Except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe; Or

Except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe; Or

Be exclusively used in system information and strengthen the subframe covering transmission or repeat to transmit.

Further, said method also has feature below:

When the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or, comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, base station by the field signals Multicast Broadcast Single Frequency Network subframe configuration information in system information block 1 to terminal.

Further, said method also has feature below: described base station sends in the process of described system information according to the merging time window size of system information, also comprises:

Described base station by the 3rd control signal notify described terminal coverage enhancement relevant call parameter configuration whether change, described 3rd control signal comprises the field in system information block 1 or beep-page message,

The merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.

In order to solve the problem, present invention also offers a kind of base station, wherein, comprise:

Module is set, for arranging the merging time window size of system information;

Transport module, sends described system information for the merging time window size according to system information, and wherein, described system information is system information block 1, or any one in all system informations.

Further, above-mentioned base station also has feature below:

Describedly arrange module, the merging time window size arranging system information is fixed value, or is predefined L of merging in time window size; Wherein, described L be more than or equal to 1 positive integer.

Further, above-mentioned base station also has feature below:

Described transport module, if the merging time window size arranging module installation system information described is predefined L of merging in time window size, then by the merging time window size of system information described in the first control signal notification terminal, described first control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.

Further, above-mentioned base station also has feature below:

Described module is set, by the merging time window size of system information described in the first control signal notification terminal, comprises following any one: by the merging time window size of terminal system information block 1 described in the field signals in Master Information Block; By the merging time window size of terminal system information message described in the field signals in Master Information Block or system information block 1; By the merging time window size of terminal system information-y message described in the field signals in system information-x message, wherein, x and y be more than or equal to 1 positive integer and x is less than y.

Further, above-mentioned base station also has feature below: described transport module comprises,

Determining unit, for determining the merging time window of described system information according to the merging time window size of described system information;

Transmitting element, for the different subframes for carrying described system information included by the merging time window of described system information, the Physical Downlink Control Channel repeated is used to send the descending assignment information of described system information, and use the Physical Downlink Shared Channel repeated to send the data of described system information according to the descending assignment information of described system information, wherein

The described different subframes for carrying described system information comprise: for the different subframes of bearing system block of information 1, are the subframes 5 in even number radio frames, for carrying the different subframes of described system information, that whole in window of N number of scheduling time of comprising of the merging time window of the described system information that described base station is fixedly installed obtain subframe, or it is determined according in K config option of the predefined different subframes for carrying described system information, wherein, K be more than or equal to 1 positive integer, an instruction in a described K config option, whole in window of the N number of scheduling time comprised for the different subframes of the bearing system informational message merging time window that is described system information obtain subframe, or all can obtain a part for subframe for this,

The described subframe that obtains comprises: except time division duplex sub-frame of uplink and system information block 1 send any subframe except subframe; Or send any subframe except subframe except time division duplex sub-frame of uplink and special subframe and system information block 1; Or send any subframe except subframe except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1; Or send any subframe except subframe except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1; Be exclusively used in system information strengthen cover transmission or repeat transmit subframe.

Further, above-mentioned base station also has feature below:

Described transport module, if the different subframes for carrying described system information are determined according in K config option of the predefined different subframes for carrying described system information, then notify for carrying the different subframes of described system information described in described terminal by the second control signal, described second control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.

Further, above-mentioned base station also has feature below:

Described transport module, when the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, by the field signals Multicast Broadcast Single Frequency Network subframe configuration information in system information block 1 to terminal.

Further, above-mentioned base station also has feature below:

Described transport module, to send according to the merging time window size of system information in the process of described system information also for: notify whether the relevant call parameter configuration of described terminal coverage enhancement changes by the 3rd control signal, described 3rd control signal comprises the field in system information block 1 or beep-page message, and, the merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.

In order to solve the problem, present invention also offers a kind of system information transmission method, comprising:

Terminal arranges or obtains the merging time window size of system information;

Described terminal receives described system information according to the merging time window size of described system information, and wherein said system information is system information block 1, or any one in all system informations.

Further, said method also has feature below: described terminal arranges or obtains the merging time window size of system information, comprising:

The merging time window size that described terminal arranges system information is fixed value, or,

Described terminal merges from predefined L the merging time window size obtaining described system information time window size in blind Detecting mode; Wherein, described L be more than or equal to 1 positive integer.

Further, said method also has feature below:

Described terminal directly obtains the merging time window size of system information from the first control signal received, and comprises following any one:

Described terminal obtains the merging time window size of system information block 1 from the field the Master Information Block received;

Described terminal obtains the merging time window size of system information from the field the main information received or system information block 1;

Described terminal obtains the merging time window size of system information-y message from the field the system information-x message received, wherein, x and y be more than or equal to 1 positive integer, and x is less than y.

Further, said method also has feature below: described terminal receives described system information according to the merging time window size of described system information, comprising:

Described terminal determines the merging time window of described system information according to the merging time window size of system information;

The different subframes for carry described system information of described terminal included by the merging time window of described system information, the descending assignment information of described system information is received according to the Physical Downlink Control Channel repeated, and, according to the descending assignment information of described system information, receive the data of described system information according to the Physical Downlink Shared Channel repeated.

Further, said method also has feature below: the described different subframes for carrying described system information, comprising:

For the different subframes of bearing system block of information 1, it is the subframe 5 in even number radio frames;

For carrying the different subframes of described system information, that whole in window of N number of scheduling time of comprising of the merging time window of the described system information that described terminal is fixedly installed obtain subframe, or to obtain from K config option of the predefined different subframes for carrying described system information in blind Detecting mode, wherein, K be more than or equal to 1 positive integer, an instruction in a described K config option, whole in window of the N number of scheduling time comprised for the different subframes of the bearing system informational message merging time window that is described system information obtain subframe, or all can obtain a part for subframe for this, or directly obtain from the second control signal received, wherein, described second control signal comprises following any one: the field in Master Information Block, field in system information block 1 and the field in system information.

Further, said method also has feature below: the described subframe that obtains comprises:

Except time division duplex sub-frame of uplink and system information block 1 send any subframe except subframe; Or

Except time division duplex sub-frame of uplink and special subframe and system information block 1 send any subframe except subframe; Or

Except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe; Or

Except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe; Or

Be exclusively used in system information and strengthen the subframe covering transmission or repeat to transmit.

Further, said method also has feature below:

When the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or, comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, terminal obtains Multicast Broadcast Single Frequency Network subframe configuration information according to the field in system information block 1.

Further, said method also has feature below: described terminal receives in the process of described system information according to the merging time window size of described system information, comprises,

Described terminal obtains the relevant call parameter of coverage enhancement and configures the information whether changed from the 3rd control signal received, described 3rd control signal comprises the field in system information block 1 or beep-page message, and, the merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.

In order to solve the problem, present invention also offers a kind of terminal, wherein, comprise:

Module is set, for arranging or obtain the merging time window size of system information;

Transport module, for the merging time window size according to described system information, receives described system information, and wherein, described system information is system information block 1, or is any one in all system informations.

Further, above-mentioned terminal also has feature below:

Describedly arrange module, the merging time window size arranging system information is fixed value, or merges from predefined L the merging time window size obtaining described system information time window size in blind Detecting mode; Wherein, described L be more than or equal to 1 positive integer.

Further, above-mentioned terminal also has feature below:

Describedly arranging module, is directly from the first control signal received, obtain the merging time window size of system information, comprises following any one: the merging time window size obtaining system information block 1 from the field the Master Information Block received; The merging time window size of system information is obtained from the field the main information received or system information block 1; Obtain the merging time window size of system information-y message from the field the system information-x message received, wherein, x and y be more than or equal to 1 positive integer and x is less than y.

Further, above-mentioned terminal also has feature below:

Described transport module comprises:

Determining unit, for determining the merging time window of described system information according to the merging time window size of system information;

Receiving element, for the different subframes for carrying described system information included by the merging time window of described system information, the descending assignment information of described system information is received according to the Physical Downlink Control Channel repeated, and, according to the descending assignment information of described system information, the data of described system information are received, wherein according to the Physical Downlink Shared Channel repeated

The described different subframes for carrying described system information comprise: for the different subframes of bearing system block of information 1, are the subframes 5 in even number radio frames, for carrying the different subframes of described system information, that whole in window of N number of scheduling time of comprising of the merging time window of the described system information that described terminal is fixedly installed obtain subframe, or to obtain from K config option of the predefined different subframes for carrying described system information in blind Detecting mode, wherein, K be more than or equal to 1 positive integer, an instruction in a described K config option, whole in window of the N number of scheduling time comprised for the different subframes of the bearing system informational message merging time window that is described system information obtain subframe, or all can obtain a part for subframe for this, or directly obtain from the second control signal received, described second control signal comprises following any one: the field in Master Information Block, field in system information block 1 and the field in system information, the described subframe that obtains comprises: except time division duplex sub-frame of uplink and system information block 1 send any subframe except subframe, or send any subframe except subframe except time division duplex sub-frame of uplink and special subframe and system information block 1, or send any subframe except subframe except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1, or send any subframe except subframe except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1, be exclusively used in system information strengthen cover transmission or repeat transmit subframe.

Further, above-mentioned terminal also has feature below: described transport module also comprises,

Acquiring unit, when the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or, comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, obtain Multicast Broadcast Single Frequency Network subframe configuration information according to the field in system information block 1.

Further, above-mentioned terminal also has feature below:

Described transport module, also configure for obtaining the relevant call parameter of coverage enhancement from the 3rd control signal received the information whether changed, described 3rd control signal comprises the field in system information block 1 or beep-page message, the merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.

To sum up, the invention provides a kind of method of system information transmissions, base station and terminal, the problem of the still not good solution of SIB or the SI coverage enhancement target that utilizes existing SIB or SI transmission mechanism and parameter configuration set to realize expecting can be solved.

Accompanying drawing explanation

Fig. 1 is the flow chart that the network side of the embodiment of the present invention carries out system information transmission method;

Fig. 2 is the schematic diagram of the base station of the embodiment of the present invention;

Fig. 3 is the flow chart that the end side of the embodiment of the present invention carries out system information transmission method;

Fig. 4 is the schematic diagram of the terminal of the embodiment of the present invention;

Fig. 5 is the schematic diagram realizing the transmission of SIB1 coverage enhancement of embodiment one;

Fig. 6 is the schematic diagram realizing the transmission of SIB1 coverage enhancement of embodiment two;

Fig. 7 is the schematic diagram realizing the 1st SI message coverage enhancement transmission of embodiment three;

Fig. 8 is the schematic diagram realizing the 2nd SI message coverage enhancement transmission of embodiment four.

Embodiment

For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.

Fig. 1 is the flow chart that the network side of the embodiment of the present invention carries out system information transmission method, and as shown in Figure 1, the method for the present embodiment comprises:

S11, base station arrange the merging time window size of system information;

S12, base station send described system information according to the merging time window size of system information, and wherein, described system information is SIB1, or in all SI message one.

Preferably, the merging time window size of described system information be described system information dispatching cycle size N doubly; Wherein, described N be more than or equal to 1 positive integer.Size dispatching cycle of existing SIB1 is fixed as the duration of 8 radio frames, and size dispatching cycle of existing SI message is restricted to the integral multiple of SIB1 size dispatching cycle, so the merging time window size of any described system information must be the multiple of the duration of 8 radio frames.

Preferably, the merging time window size of system information described in network settings is fixed value, or, merge time window size according to the covering grade of system information select one from being the predefined L of described system information; Wherein, described L be more than or equal to 1 positive integer.

Preferably, network is by the merging time window size of the first control signal reporting system information.

Preferably, described first control signal comprises:

Field in field in Master Information Block MIB, the field in SIB1 and SI message.

Preferably, the described merging time window size being notified described system information by the first control signal, being comprised:

By the merging time window size of the field signals SIB1 in MIB,

By the merging time window size of the field signals SI message in MIB or SIB1, and,

By the merging time window size of the field signals SI-y message in SI-x message, wherein, x and y be more than or equal to 1 positive integer, and x is less than y; Such as, network can utilize the merging time window size of field signals SI-2 message in SI-1 message and/or SI-3 message.

When being notified the merging time window size of described system information by the first control signal to terminal, the bit number that described first control signal comprises is:

ceiling(log 2L),

L wherein represents that network is the quantity of described system information predefined merging time window size or the quantity of configurable merging time window size, and ceiling represents the number operation that rounds up.

Preferably, the merging time window size according to system information sends described system information, comprising:

The merging time window of described system information is determined according to the merging time window size of system information;

The different subframes for carrying described system information included by the merging time window of described system information, the PDCCH repeated is used to send the descending assignment information of described system information, and, according to the descending assignment information of described system information, the PDSCH repeated is used to send the data of described system information.

Wherein, the merging time window of described system information finally comprises or covers the dispatching cycle of system information described in N number of continuous print;

Particularly, the initial subframe of the merging time window of described SIB1 is the subframe 5 that radio frames index meets in the radio frames of following equation:

SFN sib1,cmodT sib1,c=SFN sib1,cmodN·T sib1,s=0,

SFN wherein sib1, crepresent the index of the merging time window initial subframe place radio frames of SIB1, T wherein sib1, cand T sib1, srepresent respectively SIB1 merging time window size and dispatching cycle size;

Particularly, the merging time window of described SIB1 is the T from above-mentioned initial subframe sib1, c(equal NT sib1, s) duration of individual radio frames; Said method ensure that the merging time window of described SIB1 is the dispatching cycle covering N number of continuous print SIB1.

Particularly, the initial subframe of the merging time window of the n-th SI message is determined according to following equation:

x=(n-1)·w,Sub si-n,c=xmod10,

SFN si-n,cmodT si-n,c=SFN si-n,cmodN·T si-n,s=x/10,,

W wherein represents the scheduling time window SI-widow size (note: different SI message has identical SI-widow size) of the n-th SI message, T si-n, cand T si-n, srepresent respectively the n-th SI message merging time window size and dispatching cycle size, Sub si-n, crepresent the subframe index of the initial subframe of the n-th SI message coalescing time window, SFN si-n, crepresent the index of the radio frames at the initial subframe place of the n-th SI message coalescing time window;

Particularly, the merging time window of described n-th SI message is the T from above-mentioned initial subframe si-n, c(equal NT si-n, s) duration of individual radio frames; Said method ensure that the merging time window of described n-th SI message is the dispatching cycle covering N number of continuous print n-th SI message.

Preferably, be subframe 5 in even number radio frames for carrying the different subframes of SIB1;

Preferably, for carrying the different subframes of SI message be:

All or part of of obtained subframe in N number of scheduling time window SI-window that the merging time window of described SI message comprises; Wherein, the SI-window of described SI message is positioned at the beginning of each dispatching cycle of described SI message.

Preferably, the whole parts obtaining subframe in described N number of SI-window refer to:

The sub-frame set that subframe forms can be obtained by the part in each SI-window;

Preferably, the network different subframes be fixedly installed for carrying SI message are that whole in N number of SI-window of comprising of the merging time window of described SI message obtain subframe, or, according to the covering grade of SI message from be the predefined K of described SI message for carry the different subframes of SI message config option select one; Wherein, described K be more than or equal to 1 positive integer.

Preferably, an expression in a described K config option: be that whole in N number of SI-window of comprising of the merging time window of described SI message obtain subframe for carrying the different subframes of SI message, or a part and concrete which part that all can obtain subframe.

Such as, imagination K equals 4, then the 1st config option can represent that the different subframes for carrying SI message are that whole in N number of SI-window of comprising of the merging time window of described SI message obtain subframe, 2nd config option can represent that the different subframes for carrying SI message are sub-frame set that the whole subframes obtaining 1/2 ratio forward in subframe in N number of SI-window in each SI-window are formed, 3rd config option can represent that the different subframes for carrying SI message are sub-frame set that the whole subframes obtaining 1/3 ratio forward in subframe in N number of SI-window in each SI-window are formed, 4th config option can represent that the different subframes for carrying SI message are sub-frame set that the whole subframes obtaining 1/4 ratio forward in subframe in N number of SI-window in each SI-window are formed.

Preferably, network notifies the different subframes for carrying SI message by the second control signal,

Wherein, described second control signal comprises: the field in the field in Master Information Block MIB, the field in SIB1 and SI message.

Preferably, by the different subframes of the second control signal notice for carrying SI message, comprising:

By the field signals in MIB or SIB1 for carrying the different subframes of SI message, and by the field signals in SI-x message for carrying the different subframes of SI-y message; Wherein, x and y be more than or equal to 1 positive integer, and x is less than y.

When notifying the described different subframes for carrying SI message to terminal by the second control signal, the bit number that described second control signal comprises is:

ceiling(log 2K),

Ceiling wherein represents the number operation that rounds up.

Preferably, the described subframe that obtains includes but not limited to:

Except TDD sub-frame of uplink and SIB1 send any subframe except subframe;

Except any subframe except TDD sub-frame of uplink and special subframe and SIB1 transmission subframe;

Any subframe except TDD sub-frame of uplink, MBSFN sub-frame and SIB1 send subframe;

Except TDD sub-frame of uplink and special subframe, MBSFN sub-frame and SIB1 send any subframe except subframe;

Be exclusively used in SI message and strengthen the subframe covering transmission or repeat to transmit.

Preferably, when the described subframe that obtains comprises except TDD sub-frame of uplink, MBSFN sub-frame and SIB1 send any subframe except subframe, or, comprise except TDD sub-frame of uplink and special subframe, MBSFN sub-frame and SIB1 send any subframe except subframe time,

Network by the field signals MBSFN sub-frame configuration information in SIB1 to terminal.Said method ensure that terminal can obtain the position of described MBSFN sub-frame before receiving SI message, thus determines the described position that can obtain subframe.

Preferably, the descending assignment information using the PDCCH repeated to send described system information refers to: the descending assignment information being sent same system information on the identical control channel unit of different subframe (Control Channel Element is called for short CCE) position by PDCCH.

Preferably, the data of the PDSCH transmitting system information repeated are used to refer to: the data being sent same system information on identical physical resources block (Physical Resource Block the is called for short PRB) position of different subframe by PDSCH.Wherein, described descending assignment information comprises: resource allocation information (corresponding to above-mentioned identical PRB position) and Modulation and Coding Scheme.

Preferably, the subframe for carrying SIB1 or SI message can not be strengthened for sending other PDSCH data covered by network again.

Wherein, the described PDSCH data that other strengthens covering comprise:

The PDSCH data that terminal is proprietary, paging (Paging) message and accidental access response (Random Access Response is called for short RAR) message.

Preferably, whether network is changed to terminal by the call parameter configuration that the 3rd control signal notice coverage enhancement is relevant.Wherein, described 3rd control signal comprises the field in SIB1 or paging (Paging) message.Utilize said method, when the parameter configuration irrelevant with coverage enhancement changes, coverage enhancement terminal does not need to read new system information or SI message, thus avoids the frequent read system information of coverage enhancement terminal or SI message, eventually reduces the power consumption of coverage enhancement terminal.

Fig. 2 is the schematic diagram of the base station of the embodiment of the present invention, and as shown in Figure 2, the base station of the present embodiment comprises:

Module is set, for arranging the merging time window size of system information;

Transport module, sends described system information for the merging time window size according to system information, and wherein, described system information is system information block 1, or any one in all system informations.

Wherein, describedly arrange module, the merging time window size that can arrange system information is fixed value, or can be predefined L of merging in time window size; Wherein, described L be more than or equal to 1 positive integer.

In a preferred embodiment, described transport module, if the merging time window size arranging module installation system information described is predefined L of merging in time window size, then by the merging time window size of system information described in the first control signal notification terminal, described first control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.

In a preferred embodiment, described module is set, by the merging time window size of system information described in the first control signal notification terminal, comprise following any one: by the merging time window size of terminal system information block 1 described in the field signals in Master Information Block; By the merging time window size of terminal system information message described in the field signals in Master Information Block or system information block 1; By the merging time window size of terminal system information-y message described in the field signals in system information-x message, wherein, x and y be more than or equal to 1 positive integer and x is less than y.

Wherein, described transport module can comprise,

Determining unit, for determining the merging time window of described system information according to the merging time window size of described system information;

Transmitting element, for the different subframes for carrying described system information included by the merging time window of described system information, use the Physical Downlink Control Channel repeated to send the descending assignment information of described system information, and use the Physical Downlink Shared Channel repeated to send the data of described system information according to the descending assignment information of described system information.

In a preferred embodiment, described transport module, if the different subframes for carrying described system information are determined according in K config option of the predefined different subframes for carrying described system information, then notify for carrying the different subframes of described system information described in described terminal by the second control signal, described second control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.

In a preferred embodiment, described transport module, when the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, by the field signals Multicast Broadcast Single Frequency Network subframe configuration information in system information block 1 to terminal.

In a preferred embodiment, described transport module, to send according to the merging time window size of system information in the process of described system information also for: notify whether the relevant call parameter configuration of described terminal coverage enhancement changes by the 3rd control signal, described 3rd control signal comprises the field in system information block 1 or beep-page message, and, the merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.

Fig. 3 is the flow chart that the end side of the embodiment of the present invention carries out system information transmission method, and as shown in Figure 3, the method for the present embodiment comprises:

S21, terminal arrange or obtain the merging time window size of system information;

S22, terminal receive described system information according to the merging time window size of system information, and wherein, described system information is SIB1, or in all SI message one.

Preferably, the merging time window size of described system information be described system information dispatching cycle size N doubly; Wherein, described N be more than or equal to 1 positive integer.Size dispatching cycle of existing SIB1 is fixed as the duration of 8 radio frames, and size dispatching cycle of existing SI message is restricted to the integral multiple of SIB1 size dispatching cycle, so the merging time window size of any described system information must be the multiple of the duration of 8 radio frames.

Preferably, terminal arranges the merging time window size of described system information is fixed value; Or, merge from predefined L the merging time window size obtaining described system information time window size in blind Detecting mode, namely the merging time window size setting gradually described system information is the predefined L of system information of merging in time window size, until be correctly decoded system information (namely performing the blind Detecting for merging time window size); Or, the merging time window size of described system information is obtained according to the first control signal from network side; Wherein, described L be more than or equal to 1 positive integer.

Preferably, described first control signal comprises:

Field in field in Master Information Block MIB, the field in SIB1 and SI message.

Preferably, described basis obtains the merging time window size of described system information from the first control signal of network side, comprises following any one:

The merging time window size of SIB1 is obtained according to the field in MIB,

The merging time window size of SI message is obtained according to the field in MIB or SIB1, and,

Obtain the merging time window size of SI-y message according to the field in SI-x message, wherein, x and y be more than or equal to 1 positive integer, and x is less than y.

When obtaining the merging time window size of described system information according to the first control signal, the bit number that described first control signal comprises is:

ceiling(log 2L),

Wherein, L represents that terminal is the quantity of described system information predefined merging time window size or the quantity of configurable merging time window size, and ceiling represents the number operation that rounds up.

Preferably, the merging time window size according to system information receives described system information, comprising:

The merging time window of described system information is determined according to the merging time window size of system information;

The different subframes for carrying described system information included by the merging time window of described system information, according to the descending assignment information of system information described in the PDCCH reception repeated, and, according to the descending assignment information of described system information, receive the data of described system information according to the PDSCH repeated.

Wherein, the merging time window of described system information finally comprises or covers the dispatching cycle of system information described in N number of continuous print;

Particularly, the initial subframe of the merging time window of described SIB1 is the subframe 5 that radio frames index meets in the radio frames of following equation:

SFN sib1,cmodT sib1,c=SFN sib1,cmodN·T sib1,s=0,

SFN wherein sib1, crepresent the index of the merging time window initial subframe place radio frames of SIB1, T wherein sib1, cand T sib1, srepresent respectively SIB1 merging time window size and dispatching cycle size;

Particularly, the merging time window of described SIB1 is the T from above-mentioned initial subframe sib1, c(equal NT sib1, s) duration of individual radio frames; Said method ensure that the merging time window of described SIB1 is the dispatching cycle covering N number of continuous print SIB1.

Particularly, the initial subframe of the merging time window of the n-th SI message is determined according to following equation:

x=(n-1)·w,Sub si-n,c=xmod10,

SFN si-n,cmodT si-n,c=SFN si-n,cmodN·T si-n,s=x/10,,

W wherein represents the scheduling time window SI-widow size (note: different SI message has identical SI-widow size) of the n-th SI message, T si-n, cand T si-n, srepresent respectively the n-th SI message merging time window size and dispatching cycle size, Sub si-n, crepresent the subframe index of the initial subframe of the n-th SI message coalescing time window, SFN si-n, crepresent the index of the radio frames at the initial subframe place of the n-th SI message coalescing time window;

Particularly, the merging time window of described n-th SI message is the T from above-mentioned initial subframe si-n, c(equal NT si-n, s) duration of individual radio frames; Said method ensure that the merging time window of described n-th SI message is the dispatching cycle covering N number of continuous print n-th SI message.

Preferably, be subframe 5 in even number radio frames for carrying the different subframes of SIB1;

Preferably, for carrying the different subframes of SI message be: all or part of of the obtained subframe in N number of scheduling time window SI-window that the merging time window of described SI message comprises; Wherein, the SI-window of described SI message is positioned at the beginning of each dispatching cycle of described SI message.

Preferably, the whole parts obtaining subframe in described N number of SI-window refer to:

The sub-frame set that subframe forms can be obtained by the part in each SI-window.

Preferably, the terminal different subframes be fixedly installed for carrying SI message are that whole in N number of SI-window of comprising of the merging time window of described SI message obtain subframe, or, obtain from K config option of the predefined different subframes for carrying described system information in blind Detecting mode, namely setting gradually described is for the predefined K of described SI message for carrying in the config option of the different subframes of SI message for carrying the different subframes of SI message, until be correctly decoded SI message (namely performing the blind Detecting of the different subframes for carrying SI message), or, obtain described for carrying the different subframes of SI message according to the second control signal from network side, wherein, described K be more than or equal to 1 positive integer.

Preferably, an expression in a described K config option: be that whole in N number of SI-window of comprising of the merging time window of described SI message obtain subframe for carrying the different subframes of SI message, or a part and concrete which part that all can obtain subframe.

Such as, imagination K equals 4, then the 1st config option can represent that the different subframes for carrying SI message are that whole in N number of SI-window of comprising of the merging time window of described SI message obtain subframe, 2nd config option can represent that the different subframes for carrying SI message are sub-frame set that the whole subframes obtaining 1/2 ratio forward in subframe in N number of SI-window in each SI-window are formed, 3rd config option can represent that the different subframes for carrying SI message are sub-frame set that the whole subframes obtaining 1/3 ratio forward in subframe in N number of SI-window in each SI-window are formed, 4th config option can represent that the different subframes for carrying SI message are sub-frame set that the whole subframes obtaining 1/4 ratio forward in subframe in N number of SI-window in each SI-window are formed.

Preferably, described second control signal comprises:

Field in field in Master Information Block MIB, the field in SIB1 and SI message.

Preferably, obtaining according to the second control signal from network side described for carrying the different subframes of SI message, comprising:

Obtain the different subframes for carrying SI message according to the field in MIB or SIB1, and obtain the different subframes for carrying SI-y message according to the field in SI-x message; Wherein, x and y be more than or equal to 1 positive integer, and x is less than y.

When terminal according to the second control signal from network side obtain described for carry SI message different subframe time, the bit number that described second control signal comprises is:

ceiling(log 2K),

Ceiling wherein represents the number operation that rounds up.

Preferably, the described subframe that obtains includes but not limited to:

Except TDD sub-frame of uplink and SIB1 send any subframe except subframe;

Except any subframe except TDD sub-frame of uplink and special subframe and SIB1 transmission subframe;

Any subframe except TDD sub-frame of uplink, MBSFN sub-frame and SIB1 send subframe;

Except TDD sub-frame of uplink and special subframe, MBSFN sub-frame and SIB1 send any subframe except subframe;

Be exclusively used in SI message and strengthen the subframe covering transmission or repeat to transmit.

Preferably, when the described subframe that obtains comprises except TDD sub-frame of uplink, MBSFN sub-frame and SIB1 send any subframe except subframe, or, comprise except TDD sub-frame of uplink and special subframe, MBSFN sub-frame and SIB1 send any subframe except subframe time,

Terminal obtains MBSFN sub-frame configuration information according to the field in SIB1.Said method ensure that terminal can obtain the position of described MBSFN sub-frame before receiving SI message, thus determines the described position that can obtain subframe.

Preferably, refer to according to the descending assignment information of system information described in the PDCCH reception repeated: by the descending assignment information of PDCCH reception same system information data on the identical control channel unit of different subframe (Control Channel Element is called for short CCE) position.

Preferably, refer to according to the data of the PDSCH receiving system information repeated: at identical physical resources block (the Physical Resource Block of different subframe, be called for short PRB) position is received the data of same system information by PDSCH, wherein, described descending assignment information comprises: resource allocation information (corresponding to above-mentioned identical PRB position) and Modulation and Coding Scheme.

Preferably, the subframe for carrying SIB1 or SI message can not be strengthened for receiving other PDSCH data covered by terminal again;

Wherein, the described PDSCH data that other strengthens covering comprise:

The PDSCH data that terminal is proprietary, paging (Paging) message and accidental access response (Random Access Response is called for short RAR) message.

In a preferred embodiment, whether terminal is changed by the call parameter configuration obtaining coverage enhancement relevant from the 3rd control signal of network side.Wherein, described 3rd control signal comprises the field in SIB1 or paging (Paging) message.

Utilize said method, when the parameter configuration irrelevant with coverage enhancement changes, coverage enhancement terminal does not need to read new system information or SI message, thus avoids the frequent read system information of coverage enhancement terminal or SI message, eventually reduces the power consumption of coverage enhancement terminal.

It should be noted that, the definition of the merging time window of the system information in the embodiment of the present invention is:

The duration of T radio frames from the initial subframe of the merging time window of system information, wherein, T is the size of the merging time window of system information; But the definition of the merging time window of described system information is not limited to aforesaid way, such as, definition in addition also comprises: the duration of T radio frames between continuous print two initial subframes of the merging time window of system information; Namely based on the duration section that the merging time window of the system information of different definition is corresponding identical.

Network of the present invention and base station are of equal value.

The feasible system information transmission method that the application of the invention embodiment proposes, solves the problem of the still not good solution of SIB or the SI coverage enhancement target that utilizes existing SIB or SI transmission mechanism and parameter configuration set to realize expecting.

Fig. 4 is the schematic diagram of the terminal of the embodiment of the present invention, and as shown in Figure 4, the terminal of the present embodiment comprises:

Module is set, for arranging or obtain the merging time window size of system information;

Transport module, for the merging time window size according to described system information, receives described system information, and wherein, described system information is system information block 1, or is any one in all system informations.

Wherein, describedly arrange module, the merging time window size arranging system information is fixed value, or merges from predefined L the merging time window size obtaining described system information time window size in blind Detecting mode; Wherein, described L be more than or equal to 1 positive integer.

Wherein, describedly arranging module, is directly from the first control signal received, obtain the merging time window size of system information, comprises following any one: the merging time window size obtaining system information block 1 from the field the Master Information Block received; The merging time window size of system information is obtained from the field the main information received or system information block 1; Obtain the merging time window size of system information-y message from the field the system information-x message received, wherein, x and y be more than or equal to 1 positive integer and x is less than y.

Wherein, described transport module can comprise:

Determining unit, for determining the merging time window of described system information according to the merging time window size of system information;

Receiving element, for the different subframes for carrying described system information included by the merging time window of described system information, the descending assignment information of described system information is received according to the Physical Downlink Control Channel repeated, and, according to the descending assignment information of described system information, receive the data of described system information according to the Physical Downlink Shared Channel repeated.

In a preferred embodiment, described transport module can also comprise,

Acquiring unit, when the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or, comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, obtain Multicast Broadcast Single Frequency Network subframe configuration information according to the field in system information block 1.

In a preferred embodiment, described transport module, also configure for obtaining the relevant call parameter of coverage enhancement from the 3rd control signal received the information whether changed, described 3rd control signal comprises the field in system information block 1 or beep-page message, the merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.

Below by way of several specific embodiment, system information transmission method of the present invention is described in detail.

Embodiment one

Fig. 5 is the schematic diagram (wherein, the grid of filling twill represents the subframe for carrying SIB1) realizing the transmission of SIB1 coverage enhancement of embodiment one.

Network and terminal arrange the merging time window size T of SIB1 sib1, cfixing size T dispatching cycle equaling SIB1 sib1, s, namely N value is 1(N=1).

Particularly, size T dispatching cycle of existing SIB1 sib1, sbe fixed as the duration of 8 radio frames, so the merging time window size T of SIB1 sib1, cvalue is also the duration of 8 radio frames.

Network and terminal are according to the merging time window size T of SIB1 sib1, cdetermine the merging time window of SIB1.

Particularly, the initial subframe of the merging time window of described SIB1 is the subframe 5 that radio frames index meets in following equation radio frames:

SFN sib1,cmodT sib1,c=SFN sib1,cmod8=0,

SFN wherein sib1, crepresent the index of the initial subframe place radio frames of the merging time window of SIB1;

Particularly, the merging time window of described SIB1 (equals T dispatching cycle of SIB1 at duration of 8 radio frames the initial subframe (subframe 5 that index rems in the radio frames being 0 to 8) of merging time window from described SIB1 sib1, ssize).

The different subframes for carrying SIB1 included by time window are merged at a SIB1, network and terminal use the PDCCH repeated to transmit the descending assignment information of SIB1 and the descending assignment information according to above-mentioned SIB1, use the PDSCH transmission SIB1 data repeated.

Particularly, be subframe 5 in even number radio frames for carrying the different subframes of SIB1;

Particularly, the descending assignment information using the PDCCH repeated to transmit SIB1 refers to the descending assignment information being transmitted same SIB1 data on different subframe identical CCE position by PDCCH;

Particularly, according to the descending assignment information of SIB1, the PDSCH transmission SIB1 data repeated are used to refer on the identical PRB position of different subframe by the same SIB1 data of PDSCH transmission;

Particularly, descending assignment information comprises: resource allocation information (corresponding to above-mentioned identical PRB position) and Modulation and Coding Scheme.

Embodiment two

Fig. 6 is the schematic diagram (wherein, the grid of filling twill represents the subframe for carrying SIB1) realizing the transmission of SIB1 coverage enhancement of embodiment two.

Imagine the merging time window size T of configurable SIB1 sib1, ccomprise:

T sib1,s,2T sib1,s,4T sib1,s,8T sib1,s

Wherein, parameter T sib1, srepresent size dispatching cycle (duration of 8 radio frames) of SIB1.

Network is by the field signals terminal in MIB: in this embodiment, base station arranges the merging time window size of SIB1, then the information of the merging time window size of SIB1 is passed through the field signals terminal in MIB.

The merging time window size T of described SIB1 sib1, cfor T dispatching cycle of SIB1 sib1, s2 times, namely the value of N is 2(N=2).

Particularly, size T dispatching cycle of existing SIB1 sib1, sbe fixed as the duration of 8 radio frames, so the merging time window size T of SIB1 sib1, cvalue is the duration of 16 radio frames.

Particularly, because the quantity L of the merging time window size of configurable SIB1 equals 4, the bit number that the field in described MIB comprises is:

ceiling(log 2L)=ceiling(log 24)=2,

Wherein, character string ceiling represents the number operation that rounds up.

Network and terminal are according to the merging time window size T of SIB1 sib1, cdetermine the merging time window of SIB1.

Particularly, the initial subframe of the merging time window of described SIB1 is the subframe 5 that radio frames index meets in following equation radio frames:

SFN sib1,cmodT sib1,c=SFN sib1,cmod16=0,

SFN wherein sib1, crepresent the index of the initial subframe place radio frames of the merging time window of SIB1;

Particularly, the merging time window of described SIB1 (equals size T dispatching cycle of the SIB1 of 2 times at duration of 16 radio frames the initial subframe (subframe 5 that index rems in the radio frames being 0 to 16) of merging time window from described SIB1 sib1, s).

The different subframes for carrying SIB1 included by time window are merged at a SIB1, network and terminal use the PDCCH repeated to transmit the descending assignment information of SIB1 and the descending assignment information according to described SIB1, use the PDSCH transmission SIB1 data repeated.

Particularly, be subframe 5 in even number radio frames for carrying the different subframes of SIB1;

Particularly, the descending assignment information using the PDCCH repeated to transmit SIB1 refers to the descending assignment information being transmitted same SIB1 data on different subframe identical CCE position by PDCCH;

Particularly, according to the descending assignment information of SIB1, the PDSCH transmission SIB1 data repeated are used to refer on the identical PRB position of different subframe by the same SIB1 data of PDSCH transmission;

Particularly, descending assignment information comprises: resource allocation information (corresponding to above-mentioned identical PRB position) and Modulation and Coding Scheme.

Embodiment three

Fig. 7 be the schematic diagram realizing the transmission of the 1st SI message coverage enhancement of embodiment three (wherein, the grid of filling twill represents in SI-window the obtained subframe being not used in carrying SI message, for carrying the obtained subframe of SI message in the expression SI-window of fill-net check grid, the grid of filling pure white color represents can not obtain subframe in SI-window).

Imagine 1(n=1) the SI-window size of individual SI message is 5(w=5) individual subframe, and the 1st SI scheduling message cycle size is 16(T si-1, s=16) duration of individual radio frames.

Network and terminal arrange the merging time window size T of the 1st SI message si-1, cfixing size T dispatching cycle equaling the 1st SI message si-1, s, namely N value is 1(N=1).

Network and terminal are according to the merging time window size T of described 1st SI message si-1, c, determine the merging time window of described 1st SI message.

Particularly, according to following equation, determine that the initial subframe of the merging time window of described 1st SI message is:

x=(n-1)·w,

SFN si-n,cmodT si-n,c=x/10,Sub si-n,c=xmod10

x=(n-1)·w=(1-1)·5=0,,

SFN si-1,cmodT si-1,c=SFN si-1,cmod16=x/10=0/10=0,

Sub si-1,c=xmod10=0mod10=0

SFN wherein si-1, crepresent the index of the radio frames at the initial subframe place of the 1st SI message coalescing time window, Sub si-1, crepresent the subframe index of the initial subframe of the 1st SI message coalescing time window;

Particularly, the initial subframe place radio frames of the 1st SI message coalescing time window is index is the radio frames of 0 to 16 remainder numbers, the initial subframe of the 1st SI message coalescing time window to be the index in above-mentioned radio frames be 0 subframe (i.e. subframe 0);

Particularly, the merging time window of described 1st SI message (equals size T dispatching cycle of the 1st SI message at duration of 16 radio frames the initial subframe (subframe 0 that index rems in the radio frames being 0 to 16) of merging time window from described 1st SI message si-1, s).

In the different subframes for carrying the 1st SI message included by the merging time window of a 1st SI message, network and terminal use the PDCCH repeated to transmit the descending assignment information of the 1st SI message, and, according to the descending assignment information of described 1st SI message, use the data of PDSCH transmission the 1st the SI message repeated.

Particularly, be the 1(N=1 that the merging time window of the 1st SI message comprises for carrying the different subframes of the 1st SI message) whole (4 subframes) of subframe can be obtained in individual SI-window;

Particularly, the descending assignment information using the PDCCH repeated to transmit the 1st SI message refers to:

The identical CCE position of different subframe is transmitted by PDCCH the descending assignment information of same 1st SI message data;

Particularly, according to the descending assignment information of the 1st SI message, the data of PDSCH transmission the 1st the SI message repeated are used to refer to:

By same 1st the SI message data of PDSCH transmission on different subframe identical PRB position;

Particularly, descending assignment information comprises: resource allocation information (corresponding to above-mentioned identical PRB position) and Modulation and Coding Scheme.

Embodiment four

Fig. 8 be the schematic diagram realizing the transmission of the 2nd SI message coverage enhancement of embodiment four (wherein, the grid of filling twill represents in SI-window the obtained subframe being not used in carrying SI message, for carrying the obtained subframe of SI message in the expression SI-window of fill-net check grid, the grid of filling pure white color represents can not obtain subframe in SI-window).

Imagine 2(n=2) the SI-window size of individual SI message is 10(w=10) individual subframe, and the 2nd SI scheduling message cycle size is 32(T si-2, s=32) duration of individual radio frames.

Imagine the merging time window size T of configurable 2nd SI message si-2, ccomprise:

T si-2,s,2T si-2,s,4T si-2,s,8T si-2,s

Network is by the field signals terminal in MIB or SIB1 or a 1st SI message:

The merging time window size T of described 2nd SI message si-2, cfor size T dispatching cycle of described 2nd SI message si-2, s2 times, namely the value of N is 2(N=2).

Particularly, because the quantity L of the merging time window size of configurable 2nd SI message equals 4, the bit number that the field in described MIB or SIB1 or a 1st SI message comprises is:

ceiling(log 2L)=ceiling(log 24)=2,

Wherein, character string ceiling represents the number operation that rounds up.

Network and terminal are according to the merging time window size T of described 2nd SI message si-2, c, determine the merging time window of described 2nd SI message.

Particularly, according to following equation, determine that the initial subframe of the merging time window of described 2nd SI message is:

x=(n-1)·w,

SFN si-n,cmodT si-n,c=x/10,Sub si-n,c=xmod10

x=(n-1)·w=(2-1)·10=10,,

SFN si-2,cmodT si-2,c=SFN si-2,cmod64=x/10=10/10=1,

Sub si-2,c=xmod10=10mod10=0

SFN wherein si-2, crepresent the index of the radio frames at the initial subframe place of the 2nd SI message coalescing time window, Sub si-2, crepresent the subframe index of the initial subframe of the 2nd SI message coalescing time window;

Particularly, the initial subframe place radio frames of the 2nd SI message coalescing time window is index is the radio frames of 1 to 64 remainder numbers, the initial subframe of the 2nd SI message coalescing time window to be the index in above-mentioned radio frames be 0 subframe (i.e. subframe 0);

Particularly, the merging time window of described 2nd SI message (equals size T dispatching cycle of the 2nd SI message at duration of 64 radio frames the initial subframe (subframe 0 that index rems in the radio frames being 1 to 64) of merging time window from described 2nd SI message si-1, s2 times).

In the different subframes for carrying the 2nd SI message included by the merging time window of a 2nd SI message, network and terminal use the PDCCH repeated to transmit the descending assignment information of the 2nd SI message, and, according to the descending assignment information of described 2nd SI message, use the data of PDSCH transmission the 2nd the SI message repeated.

Particularly, be the 2(N=2 that the merging time window of the 2nd SI message comprises for carrying the different subframes of the 2nd SI message) whole parts obtaining subframe in individual SI-window; Wherein, network by whole which part concrete obtaining subframe in 2 SI-window described in the field signals in MIB or SIB1 or a 1st SI message is used to terminal;

Particularly, in the present embodiment, above-mentioned 2(N=2) whole parts obtaining subframe in individual SI-window are sub-frame set that the whole the first half subframes (4) obtaining subframe (8) in each SI-window are formed;

Particularly, the descending assignment information using the PDCCH repeated to transmit the 2nd SI message refers to:

The identical CCE position of different subframe is transmitted by PDCCH the descending assignment information of same 2nd SI message data;

Particularly, according to the descending assignment information of the 2nd SI message, the data of PDSCH transmission the 2nd the SI message repeated are used to refer to:

By same 2nd the SI message data of PDSCH transmission on different subframe identical PRB position;

Particularly, descending assignment information comprises: resource allocation information (corresponding to above-mentioned identical PRB position) and Modulation and Coding Scheme.

The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize.Correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.

These are only the preferred embodiments of the present invention; certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.

Claims (32)

1. a system information transmission method, comprising:
Base station arranges the merging time window size of system information;
Described base station sends described system information according to the merging time window size of system information, and wherein, described system information is system information block 1, or any one in all system informations.
2. the method for claim 1, is characterized in that:
The merging time window size that described base station arranges system information is fixed value, or is predefined L of merging in time window size; Wherein, described L be more than or equal to 1 positive integer.
3. method as claimed in claim 2, is characterized in that:
If the merging time window size that described base station arranges system information is predefined L of merging in time window size, then described base station is by the merging time window size of system information described in the first control signal notification terminal, and described first control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.
4. method as claimed in claim 3, is characterized in that: described base station, by the merging time window size of system information described in the first control signal notification terminal, comprises following any one:
Described base station is by the merging time window size of terminal system information block 1 described in the field signals in Master Information Block;
Described base station is by the merging time window size of terminal system information message described in the field signals in Master Information Block or system information block 1;
Described base station by the merging time window size of terminal system information-y message described in the field signals in system information-x message, wherein, x and y be more than or equal to 1 positive integer, and x is less than y.
5. the method for claim 1, is characterized in that: described base station sends described system information according to the merging time window size of system information, comprising:
The merging time window of described system information is determined according to the merging time window size of described system information in described base station;
The different subframes for carry described system information of described base station included by the merging time window of described system information, use the Physical Downlink Control Channel repeated to send the descending assignment information of described system information, and use the Physical Downlink Shared Channel repeated to send the data of described system information according to the descending assignment information of described system information.
6. method as claimed in claim 5, is characterized in that: the described different subframes for carrying described system information, comprising:
For the different subframes of bearing system block of information 1, it is the subframe 5 in even number radio frames;
For carrying the different subframes of described system information, that whole in window of N number of scheduling time of comprising of the merging time window of the described system information that described base station is fixedly installed obtain subframe, or it is determined according in K config option of the predefined different subframes for carrying described system information, wherein, K be more than or equal to 1 positive integer
An instruction in a described K config option, whole in window of the N number of scheduling time comprised for the different subframes of the bearing system informational message merging time window that is described system information obtain subframe, or all can obtain a part for subframe for this.
7. method as claimed in claim 6, is characterized in that:
If the different subframes for carrying described system information are determined according in K config option of the predefined different subframes for carrying described system information, then described base station by described in the second control signal notification terminal for carrying the different subframes of described system information, described second control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.
8. method as claimed in claim 6, is characterized in that: the described subframe that obtains comprises:
Except time division duplex sub-frame of uplink and system information block 1 send any subframe except subframe; Or
Except time division duplex sub-frame of uplink and special subframe and system information block 1 send any subframe except subframe; Or
Except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe; Or
Except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe; Or
Be exclusively used in system information and strengthen the subframe covering transmission or repeat to transmit.
9. method as claimed in claim 8, is characterized in that::
When the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or, comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, base station by the field signals Multicast Broadcast Single Frequency Network subframe configuration information in system information block 1 to terminal.
10. the method as described in claim 1-9, is characterized in that: described base station sends in the process of described system information according to the merging time window size of system information, also comprises:
Described base station by the 3rd control signal notify described terminal coverage enhancement relevant call parameter configuration whether change, described 3rd control signal comprises the field in system information block 1 or beep-page message,
The merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.
11. 1 kinds of base stations, is characterized in that, comprising:
Module is set, for arranging the merging time window size of system information;
Transport module, sends described system information for the merging time window size according to system information, and wherein, described system information is system information block 1, or any one in all system informations.
12. base stations as claimed in claim 11, is characterized in that:
Describedly arrange module, the merging time window size arranging system information is fixed value, or is predefined L of merging in time window size; Wherein, described L be more than or equal to 1 positive integer.
13. base stations as claimed in claim 11, is characterized in that:
Described transport module, if the merging time window size arranging module installation system information described is predefined L of merging in time window size, then by the merging time window size of system information described in the first control signal notification terminal, described first control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.
14. base stations as claimed in claim 13, is characterized in that:
Described module is set, by the merging time window size of system information described in the first control signal notification terminal, comprises following any one: by the merging time window size of terminal system information block 1 described in the field signals in Master Information Block; By the merging time window size of terminal system information message described in the field signals in Master Information Block or system information block 1; By the merging time window size of terminal system information-y message described in the field signals in system information-x message, wherein, x and y be more than or equal to 1 positive integer and x is less than y.
15. base stations as claimed in claim 11, is characterized in that: described transport module comprises,
Determining unit, for determining the merging time window of described system information according to the merging time window size of described system information;
Transmitting element, for the different subframes for carrying described system information included by the merging time window of described system information, the Physical Downlink Control Channel repeated is used to send the descending assignment information of described system information, and use the Physical Downlink Shared Channel repeated to send the data of described system information according to the descending assignment information of described system information, wherein
The described different subframes for carrying described system information comprise: for the different subframes of bearing system block of information 1, are the subframes 5 in even number radio frames, for carrying the different subframes of described system information, that whole in window of N number of scheduling time of comprising of the merging time window of the described system information that described base station is fixedly installed obtain subframe, or it is determined according in K config option of the predefined different subframes for carrying described system information, wherein, K be more than or equal to 1 positive integer, an instruction in a described K config option, whole in window of the N number of scheduling time comprised for the different subframes of the bearing system informational message merging time window that is described system information obtain subframe, or all can obtain a part for subframe for this,
The described subframe that obtains comprises: except time division duplex sub-frame of uplink and system information block 1 send any subframe except subframe; Or send any subframe except subframe except time division duplex sub-frame of uplink and special subframe and system information block 1; Or send any subframe except subframe except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1; Or send any subframe except subframe except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1; Be exclusively used in system information strengthen cover transmission or repeat transmit subframe.
16. base stations as claimed in claim 15, is characterized in that:
Described transport module, if the different subframes for carrying described system information are determined according in K config option of the predefined different subframes for carrying described system information, then notify for carrying the different subframes of described system information described in described terminal by the second control signal, described second control signal comprises following any one: the field in the field in Master Information Block, system information block 1 and the field in system information.
17. base stations as claimed in claim 15, is characterized in that:
Described transport module, when the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, by the field signals Multicast Broadcast Single Frequency Network subframe configuration information in system information block 1 to terminal.
18. base stations as described in any one of claim 11-17, is characterized in that:
Described transport module, to send according to the merging time window size of system information in the process of described system information also for: notify whether the relevant call parameter configuration of described terminal coverage enhancement changes by the 3rd control signal, described 3rd control signal comprises the field in system information block 1 or beep-page message, and, the merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.
19. 1 kinds of system information transmission methods, comprising:
Terminal arranges or obtains the merging time window size of system information;
Described terminal receives described system information according to the merging time window size of described system information, and wherein said system information is system information block 1, or any one in all system informations.
20. methods as claimed in claim 19, is characterized in that: described terminal arranges or obtains the merging time window size of system information, comprising:
The merging time window size that described terminal arranges system information is fixed value, or,
Described terminal merges from predefined L the merging time window size obtaining described system information time window size in blind Detecting mode; Wherein, described L be more than or equal to 1 positive integer.
21. methods as claimed in claim 19, is characterized in that:
Described terminal directly obtains the merging time window size of system information from the first control signal received, and comprises following any one:
Described terminal obtains the merging time window size of system information block 1 from the field the Master Information Block received;
Described terminal obtains the merging time window size of system information from the field the main information received or system information block 1;
Described terminal obtains the merging time window size of system information-y message from the field the system information-x message received, wherein, x and y be more than or equal to 1 positive integer, and x is less than y.
22. methods as claimed in claim 19, is characterized in that: described terminal receives described system information according to the merging time window size of described system information, comprising:
Described terminal determines the merging time window of described system information according to the merging time window size of system information;
The different subframes for carry described system information of described terminal included by the merging time window of described system information, the descending assignment information of described system information is received according to the Physical Downlink Control Channel repeated, and, according to the descending assignment information of described system information, receive the data of described system information according to the Physical Downlink Shared Channel repeated.
23. methods as claimed in claim 22, is characterized in that: the described different subframes for carrying described system information, comprising:
For the different subframes of bearing system block of information 1, it is the subframe 5 in even number radio frames;
For carrying the different subframes of described system information, that whole in window of N number of scheduling time of comprising of the merging time window of the described system information that described terminal is fixedly installed obtain subframe, or to obtain from K config option of the predefined different subframes for carrying described system information in blind Detecting mode, wherein, K be more than or equal to 1 positive integer, an instruction in a described K config option, whole in window of the N number of scheduling time comprised for the different subframes of the bearing system informational message merging time window that is described system information obtain subframe, or all can obtain a part for subframe for this, or directly obtain from the second control signal received, wherein, described second control signal comprises following any one: the field in Master Information Block, field in system information block 1 and the field in system information.
24. methods as claimed in claim 23, is characterized in that: the described subframe that obtains comprises:
Except time division duplex sub-frame of uplink and system information block 1 send any subframe except subframe; Or
Except time division duplex sub-frame of uplink and special subframe and system information block 1 send any subframe except subframe; Or
Except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe; Or
Except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe; Or
Be exclusively used in system information and strengthen the subframe covering transmission or repeat to transmit.
25. methods as claimed in claim 24, is characterized in that:
When the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or, comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, terminal obtains Multicast Broadcast Single Frequency Network subframe configuration information according to the field in system information block 1.
26. methods as described in any one of claim 19-25, is characterized in that: described terminal receives in the process of described system information according to the merging time window size of described system information, comprises,
Described terminal obtains the relevant call parameter of coverage enhancement and configures the information whether changed from the 3rd control signal received, described 3rd control signal comprises the field in system information block 1 or beep-page message, and, the merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.
27. 1 kinds of terminals, is characterized in that, comprising:
Module is set, for arranging or obtain the merging time window size of system information;
Transport module, for the merging time window size according to described system information, receives described system information, and wherein, described system information is system information block 1, or is any one in all system informations.
28. terminals as claimed in claim 27, is characterized in that:
Describedly arrange module, the merging time window size arranging system information is fixed value, or merges from predefined L the merging time window size obtaining described system information time window size in blind Detecting mode; Wherein, described L be more than or equal to 1 positive integer.
29. terminals as claimed in claim 27, is characterized in that:
Describedly arranging module, is directly from the first control signal received, obtain the merging time window size of system information, comprises following any one: the merging time window size obtaining system information block 1 from the field the Master Information Block received; The merging time window size of system information is obtained from the field the main information received or system information block 1; Obtain the merging time window size of system information-y message from the field the system information-x message received, wherein, x and y be more than or equal to 1 positive integer and x is less than y.
30. terminals as claimed in claim 27, is characterized in that: described transport module comprises:
Determining unit, for determining the merging time window of described system information according to the merging time window size of system information;
Receiving element, for the different subframes for carrying described system information included by the merging time window of described system information, the descending assignment information of described system information is received according to the Physical Downlink Control Channel repeated, and, according to the descending assignment information of described system information, the data of described system information are received, wherein according to the Physical Downlink Shared Channel repeated
The described different subframes for carrying described system information comprise: for the different subframes of bearing system block of information 1, are the subframes 5 in even number radio frames, for carrying the different subframes of described system information, that whole in window of N number of scheduling time of comprising of the merging time window of the described system information that described terminal is fixedly installed obtain subframe, or to obtain from K config option of the predefined different subframes for carrying described system information in blind Detecting mode, wherein, K be more than or equal to 1 positive integer, an instruction in a described K config option, whole in window of the N number of scheduling time comprised for the different subframes of the bearing system informational message merging time window that is described system information obtain subframe, or all can obtain a part for subframe for this, or directly obtain from the second control signal received, described second control signal comprises following any one: the field in Master Information Block, field in system information block 1 and the field in system information, the described subframe that obtains comprises: except time division duplex sub-frame of uplink and system information block 1 send any subframe except subframe, or send any subframe except subframe except time division duplex sub-frame of uplink and special subframe and system information block 1, or send any subframe except subframe except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1, or send any subframe except subframe except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1, be exclusively used in system information strengthen cover transmission or repeat transmit subframe.
31. terminals as claimed in claim 30, is characterized in that: described transport module also comprises,
Acquiring unit, when the described subframe that obtains comprises except time division duplex sub-frame of uplink, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe, or, comprise except time division duplex sub-frame of uplink and special subframe, Multicast Broadcast Single Frequency Network subframe and system information block 1 send any subframe except subframe time, obtain Multicast Broadcast Single Frequency Network subframe configuration information according to the field in system information block 1.
32. terminals as described in any one of claim 27-31, is characterized in that:
Described transport module, also configure for obtaining the relevant call parameter of coverage enhancement from the 3rd control signal received the information whether changed, described 3rd control signal comprises the field in system information block 1 or beep-page message, the merging time window of described system information comprises the dispatching cycle of system information described in N number of continuous print, wherein, described N be more than or equal to 1 positive integer.
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