CN107889192A

CN107889192A - A kind of system information transmission method, user terminal and network side equipment

Info

Publication number: CN107889192A
Application number: CN201610867874.6A
Authority: CN
Inventors: 贺媛
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2016-09-29
Filing date: 2016-09-29
Publication date: 2018-04-06
Anticipated expiration: 2036-09-29
Also published as: WO2018059294A1; CN107889192B

Abstract

The present invention provides a kind of system information transmission method, user terminal and network side equipment, and this method may include：User terminal obtains the broadcast cycle information of the system information on demand of network side equipment；The system information on demand that user terminal network side equipment according to the broadcast cycle acquisition of information is sent.The embodiment of the present invention can reduce the expense of system information.

Description

A kind of system information transmission method, user terminal and network side equipment

Technical field

The present invention relates to communication technical field, more particularly to a kind of system information transmission method, user terminal and network side Equipment.

Background technology

The system information (SI, System Information) of wireless communication system be broadly divided into Master Information Block (MIB, Master Information Block) and multiple system information blocks (SIBs, System Information Blocks), its In, system information block can include these system informations of SIB1~SIB20.In actual applications, many scenes are to need to broadcast System information, such as：, all can broadcast system information when UE newly accesses a cell or broadcast message changes.At present Broadcast is all system informations of broadcast every time, i.e., including these system informations of MIB, SIB1 and SI, wherein SI include SIB2~ SIB20, of course, it is also possible to continue to extend.Because system information is all periodic broadcasting in current wireless communication system, and with The variation of wireless communication system business and the continuous evolution of terminal type, the content of system information can be more and more, then system is believed The expense of breath takes can be increasing.It can be seen that the problem of system information expense is excessive in wireless communication system at present be present.

The content of the invention

It is an object of the invention to provide a kind of system information transmission method, user terminal and network side equipment, solve The problem of system information expense is excessive in wireless communication system be present.

In order to achieve the above object, the embodiment of the present invention provides a kind of system information transmission method, including：

User terminal obtains the broadcast cycle information of the system information (on-demand SI) on demand of network side equipment；

The letter of system on demand that user terminal network side equipment according to the broadcast cycle acquisition of information is sent Breath.

Optionally, the user terminal obtains the broadcast cycle information of the system information on demand of network side equipment, including：

The user terminal receives system information (the periodic broadcast of the network side equipment periodic broadcasting SI), the system information of the periodic broadcasting includes the broadcast cycle information of the system information on demand.

Optionally, the system information of the periodic broadcasting also includes the broadcast configured information of the system information on demand.

Optionally, it is during the broadcast cycle arrival that the broadcast configured information is used to indicate next system information on demand The no system information broadcast having on demand is sent.

Optionally, it is described broadcast configured information be used for indicate next system information on demand broadcast cycle reach when which System information on demand can broadcast transmission a bit.

Optionally, the broadcast configured information indicates next system letter on demand in a manner of index list or bitmap Which system information on demand can broadcast transmission when the broadcast cycle of breath reaches.

Optionally, the broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Optionally, methods described also includes：

The user terminal sends system information request message on demand, the system on demand to the network side equipment Information request message is used for the system information on demand for asking the user terminal to need；

The letter of system on demand that user terminal network side equipment according to the broadcast cycle acquisition of information is sent Breath, including：

The user terminal receives the network side equipment when the broadcast cycle of next system information on demand reaches The system information response message on demand sent.

Optionally, the system information response message on demand includes pressing in whole or in part for user terminal needs The system information needed, or the system information response message on demand do not include the system information that the user terminal needs；

Wherein, what the system information response message on demand also included that other users terminal needs is all or part of System information on demand, or do not include the system information on demand that other users terminal needs.

Optionally, the system information response message on demand indexes including system information form, the user terminal root The system information on demand sent according to network side equipment described in the broadcast cycle acquisition of information, in addition to：

The user terminal is searched corresponding with the system information form index from the system information form preserved System information on demand；

Wherein, it is described to be needed with the corresponding system information on demand of the system information form index including the user terminal The whole wanted either branch's system information on demand or does not include the system information that the user terminal needs；

And described also include other users terminal with the corresponding system information on demand of the system information form index and need The all or part of system information on demand wanted, or it is described it is corresponding with the system information form index on demand be Information of uniting does not include the system on demand that other users terminal needs.

Optionally, system information request message of the user terminal to network side equipment transmission on demand, including：

If the user terminal receives only the broadcast cycle information, the user terminal is to the network side equipment Send system information request message on demand；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand There is no system information broadcast on demand to send during arrival, then system of the user terminal to network side equipment transmission on demand Information request message；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand There is system information broadcast on demand to send during arrival, but the user terminal is not received by the user in the broadcast cycle The system information on demand that terminal needs, then the user terminal send system information request on demand to the network side equipment Message；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand The system information on demand of broadcast transmission does not include the system information on demand that the user terminal needs during arrival, then the use Family terminal sends system information request message on demand to the network side equipment.

The user terminal by the message 3 (Msg3) of random access procedure to the network side equipment send on demand be System information request message；Or

The user terminal is by wireless heterogeneous networks (RRC, Radio Resource Control) message to the net Network side apparatus sends system information request message on demand；Or

The user terminal by medium education (MAC, Medium Access Control) Channel Elements (CE, Channel Element) to the network side equipment send system information request message on demand.

Optionally, the system information request message includes the information for the system information on demand that the user terminal needs List.

Optionally, methods described also includes：

The user terminal obtains upward signal and the mapping relation information of system information on demand；

The user terminal sends system information request message on demand to the network side equipment, including：

The user terminal sends upward signal to the network side equipment, wherein, the upward signal and the user Mapping relations be present in the system information on demand that terminal needs.

Optionally, user terminal network side equipment according to the broadcast cycle acquisition of information send on demand System information, including：

If it is described broadcast configured information indicate next system information on demand broadcast cycle reach when have on demand be System information broadcast transmission, the user terminal receive the network when the broadcast cycle of next system information on demand reaches The system information on demand of side apparatus broadcast transmission, wherein：

The system information on demand of the network side equipment broadcast transmission include the user terminal need whole or The system information of branch on demand, or do not include the system information that the user terminal needs；

And the system information on demand of the network side equipment broadcast transmission also includes the whole that other users terminal needs Either the system information on demand of part or do not include the system information on demand that other users terminal needs.

Optionally, after the user terminal sends system information request message on demand to the network side equipment, institute Stating method also includes：

If the user terminal is not received by the network side in the broadcast cycle of next system information on demand and set The standby feedback returned, then carry out system information broadcast transmission process on demand next time.

The embodiment of the present invention provides a kind of system information transmission method, including：

The system information of network side equipment periodic broadcasting, wherein, the system information of the periodic broadcasting includes the network The broadcast cycle information of the system information on demand of side apparatus；

The system on demand of network side equipment network side equipment according to the broadcast cycle information broadcast transmission Information.

Optionally, the broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Optionally, methods described also includes：

The network side equipment receives the system information request message on demand that user terminal is sent, the system on demand Information request message is used for the system information on demand for asking the user terminal to need；

The system on demand of network side equipment network side equipment according to the broadcast cycle information broadcast transmission Information, including：

The network side equipment next system information on demand broadcast cycle reach when, broadcast transmission on demand be System info response message.

Optionally, the system information response message on demand indexes including system information form, so that the user is whole Searched and the corresponding system information on demand of the system information form index from the system information form preserved at end；

Optionally, the network side equipment receives the system information request message on demand that the user terminal is sent, bag Include：

If the user terminal receives only the broadcast cycle information, it is whole that the network side equipment receives the user Hold the system information request message on demand sent；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand There is no system information broadcast on demand to send during arrival, then the network side equipment receive that the user terminal sends on demand System information request message；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand There is system information broadcast on demand to send during arrival, but the user terminal is not received by the user in the broadcast cycle The system information on demand that terminal needs, the then system information on demand that the network side equipment reception user terminal is sent Request message；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand The system information on demand of broadcast transmission does not include the system information on demand that the user terminal needs during arrival, then the net Network side apparatus receives the system information request message on demand that the user terminal is sent.

The network side equipment receives the system on demand that the user terminal is sent by the 3Msg3 of random access procedure Information request message；Or

The network side equipment receives the system information request on demand that the user terminal is sent by RRC information and disappeared Breath；Or

The network side equipment receives the system information request message on demand that the user terminal is sent by MAC CE.

Optionally, the system information of the periodic broadcasting also includes upward signal and the mapping relations of system information on demand Information；

The network side equipment receives the system information request message on demand that the user terminal is sent, including：

The network side equipment receives the upward signal that the user terminal is sent, wherein, the upward signal with it is described Mapping relations be present in the system information on demand that user terminal needs.

The embodiment of the present invention also provides a kind of user terminal, including：

First acquisition module, the broadcast cycle information of the system information on demand for obtaining network side equipment；

Second acquisition module, for according to the broadcast cycle acquisition of information network side equipment send on demand be System information.

Optionally, second acquisition module is used for the system information for receiving the network side equipment periodic broadcasting, described The system information of periodic broadcasting includes the broadcast cycle information of the system information on demand.

Optionally, the broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Optionally, the user terminal also includes：

Sending module, for sending system information request message on demand to the network side equipment, it is described on demand be System information request message is used for the system information on demand for asking the user terminal to need；

Second acquisition module is used to, when the broadcast cycle of next system information on demand reaches, receive the net The system information response message on demand that network side apparatus is sent.

Optionally, the system information response message on demand indexes including system information form, and described second obtains mould Block is additionally operable to search from the system information form preserved from the user terminal corresponding with the system information form index System information on demand；

Optionally, the sending module receives only the broadcast cycle information for the user terminal, then to described Network side equipment sends system information request message on demand；Or

If the sending module be used for the broadcast configured information that receives of the user terminal indicate it is next on demand be The broadcast cycle of system information does not have system information broadcast on demand to send when reaching, then is sent on demand to the network side equipment System information request message；Or

If the sending module be used for the broadcast configured information that receives of the user terminal indicate it is next on demand be The broadcast cycle of system information has system information broadcast on demand to send when reaching, but the user terminal does not have in the broadcast cycle Have and receive the system information on demand that the user terminal needs, then the system information to network side equipment transmission on demand Request message；Or

If the sending module be used for the broadcast configured information that receives of the user terminal indicate it is next on demand be When the broadcast cycle for information of uniting reaches the system information on demand of broadcast transmission do not include that the user terminal needs on demand System information, then send system information request message on demand to the network side equipment.

Optionally, second acquisition module is used to set to the network side by the message 3Msg3 of random access procedure Preparation send system information request message on demand；Or

Second acquisition module is used to send on demand to the network side equipment by radio resource control RRC message System information request message；Or

Second acquisition module is used to send to the network side equipment by media access control MAC Channel Elements CE System information request message on demand.

Optionally, the user terminal also includes：

3rd acquisition module, for obtaining upward signal and the mapping relation information of system information on demand；

The sending module be used for the network side equipment send upward signal, wherein, the upward signal with it is described Mapping relations be present in the system information on demand that user terminal needs.

Optionally, if second acquisition module is used for the broadcast configured information and indicates next system information on demand Broadcast cycle there is system information broadcast on demand to send when reaching, reached in the broadcast cycle of next system information on demand When receive the system information on demand of the network side equipment broadcast transmission, wherein：

Optionally, if the user terminal is not received by the net in the broadcast cycle of next system information on demand The feedback that network side apparatus returns, then the user terminal carry out system information broadcast transmission process on demand next time.

The embodiment of the present invention also provides a kind of network side equipment, including：

First broadcast module, for the system information of periodic broadcasting, wherein, the system information of the periodic broadcasting includes institute State the broadcast cycle information of the system information on demand of network side equipment；

Second broadcast module, for according to the broadcast cycle information broadcast transmission network side equipment on demand be System information.

Optionally, the broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Optionally, the network side equipment also includes：

Receiving module, for receiving the system information request message on demand of user terminal transmission, the system on demand Information request message is used for the system information on demand for asking the user terminal to need；

Second broadcast module is used for when the broadcast cycle of next system information on demand reaches, and broadcast transmission is pressed The system information response message needed.

Optionally, if the receiving module receives only the broadcast cycle for the user terminal, receive described in The system information request message on demand that user terminal is sent；Or

If the receiving module be used for the broadcast configured information that receives of the user terminal indicate it is next on demand be The broadcast cycle of system information does not have system information broadcast on demand to send when reaching, then receives the user terminal and send on demand System information request message；Or

If the receiving module be used for the broadcast configured information that receives of the user terminal indicate it is next on demand be The broadcast cycle of system information has system information broadcast on demand to send when reaching, but the user terminal does not have in the broadcast cycle Have and receive the system information on demand that the user terminal needs, then receive the letter of system on demand that the user terminal is sent Cease request message；Or

If the receiving module be used for the broadcast configured information that receives of the user terminal indicate it is next on demand be When the broadcast cycle for information of uniting reaches the system information on demand of broadcast transmission do not include that the user terminal needs on demand System information, then receive the system information request message on demand that the user terminal is sent.

Optionally, the receiving module is used to receive what the user terminal was sent by the 3Msg3 of random access procedure System information request message on demand；Or

The receiving module disappears for receiving the system information request on demand that the user terminal is sent by RRC information Breath；Or

The receiving module disappears for receiving the system information request on demand that the user terminal is sent by MAC CE Breath.

The receiving module is used to receive the upward signal that the user terminal is sent, wherein, the upward signal and institute Mapping relations be present in the system information on demand for stating user terminal needs.

The above-mentioned technical proposal of the present invention at least has the advantages that：

The embodiment of the present invention, user terminal obtain the broadcast cycle information of the system information on demand of network side equipment；Institute State the system information on demand that user terminal network side equipment according to the broadcast cycle acquisition of information is sent.So can be with Realize that system information is sent on demand, all system informations are all periodic broadcastings compared with prior art, and the embodiment of the present invention can subtract The expense of few system information.

Brief description of the drawings

Fig. 1 is schematic network structure provided in an embodiment of the present invention；

Fig. 2 is a kind of schematic flow sheet of system information transmission method provided in an embodiment of the present invention；

Fig. 3 is the schematic flow sheet of another system information transmission method provided in an embodiment of the present invention；

Fig. 4 is the schematic diagram of message provided in an embodiment of the present invention transmission；

Fig. 5 is a kind of structural representation of user terminal provided in an embodiment of the present invention；

Fig. 6 is the structural representation of another user terminal provided in an embodiment of the present invention；

Fig. 7 is the structural representation of another user terminal provided in an embodiment of the present invention；

Fig. 8 is a kind of structural representation of network side equipment provided in an embodiment of the present invention；

Fig. 9 is the structural representation of another network side equipment provided in an embodiment of the present invention；

Figure 10 is the structural representation of another user terminal provided in an embodiment of the present invention；

Figure 11 is the structural representation of another network side equipment provided in an embodiment of the present invention.

Embodiment

To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool Body embodiment is described in detail.

Referring to Fig. 1, Fig. 1 is schematic network structure provided in an embodiment of the present invention, as shown in figure 1, including one or Multiple user terminals 11 and network side equipment 12, wherein, entered in accompanying drawing with a user terminal (UE, User Equipment) 11 Row citing signal.Wherein, user terminal 11 can be mobile phone, it is tablet personal computer (Tablet Personal Computer), above-knee Type computer (Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA), movement The end side such as Internet device (Mobile Internet Device, MID) or wearable device (Wearable Device) is set It is standby, it is necessary to explanation, in embodiments of the present invention not limit user terminal 11 particular type.User terminal 11 can be with Network side equipment 12 establishes communication, wherein, the network in accompanying drawing can represent that user terminal 11 is wirelessly built with network side equipment 12 Vertical communication, network side equipment 12 can be base stations, and base station can be macro station, such as LTE eNB, 5G NR NB；Can also be small Stand, such as low power nodes (LPN：Low power node) small station such as pico, femto, or can be access point (AP, access point)；It is more that network side equipment 12 can also be that central location (CU, central unit) is managed and controlled with it The network node that individual transmission receiving point (TRP, Transmission Reception Point) collectively constitutes.An in addition, base Stand down have one or more cells (such as：Different frequencies or sector division).It should be noted that in embodiments of the present invention The particular type of network side equipment 12 is not limited.

Referring to Fig. 2, the embodiment of the present invention provides a kind of system information transmission method, as shown in Fig. 2 comprising the following steps：

201st, user terminal obtains the broadcast cycle information of the system information on demand of network side equipment；

202nd, the user terminal according to the broadcast cycle acquisition of information network side equipment send on demand be System information.

In the embodiment of the present invention, the system information (on-demand SI) on demand of network side equipment can be that network side is set Part system information in the standby system information included, or the system information on demand of network side equipment can be that network side is set System information in standby in addition to the system information (periodic broadcast SI) of periodic broadcasting.And periodic broadcasting is Information of uniting (periodic broadcast SI) can need the system of periodic broadcasting to believe in the system information of network side equipment Breath, such as：System information in addition to system information on demand, or user terminal are resident cell and access persistent district System information, such as all or part of content in MIB, SIB1 and SIB2；Or be resident cell and access persistent district must by UE System information wanted etc..In addition, system information (on-demand SI) on demand is it can be appreciated that by way of on demand The system information being transmitted.

In addition, the broadcast cycle information of the system information on demand of above-mentioned network side equipment can be for description or table Show the information of the broadcast cycle of the system information on demand of above-mentioned network side equipment, i.e. user terminal passes through the broadcast cycle information The broadcast cycle of the system information on demand of above-mentioned network side equipment can be determined.Wherein, network side equipment is according to broadcast week The system information of phase broadcast on demand.It should be noted that network side equipment is not the broadcast in each system information on demand Cycle is required for broadcasting system information on demand, such as：There is no the system of user terminal needs on demand in a certain broadcast cycle Information, and network side equipment can not broadcast system information on demand in the broadcast cycle.In addition, network side equipment is wide every time The system information on demand broadcast can be differed, either part it is identical or all it is identical, and broadcast every time on demand be Information of uniting can be some or all of in the system information on demand of network side equipment.Such as：In a broadcast cycle certain User terminal needs SIB3 and SIB4, then network side equipment can only broadcast SIB3 and SIB4 in the broadcast cycle.In addition, press The broadcast cycle of the system information (on-demand SI) needed is it is to be understood that network side equipment has one at interval of the cycle Transmission opportunity, system information on demand may in the transmission opportunity broadcast transmission, or may not in some transmission opportunitys Broadcast transmission.

In addition, it is necessary to explanation, the broadcast cycle information that step 201 obtains can receive network side equipment cycle hair Send, or user terminal in advance obtains, such as：Network side equipment is in advance to user terminal configuration.

After user terminal gets above-mentioned broadcast cycle information, it is possible to determine the system information of network side equipment on demand Cycle, so as to obtain the system information on demand that the network side equipment is sent in these cycles.

It should be noted that in the embodiment of the present invention, it is MIB not limit system information, and SIB1~SIB20, example Such as：System information can also be SIBn, wherein, n is integer more than 20, or system information can also be that adaptation is following wireless The system information of the development extension of communication system.Wherein：

SIB1 can include the relevant parameter of broadcast cell access and cell selection and the schedule information of SI message, can be with Contain one or more SIB2~13；

SIB2 can include the shared wireless parameter configurations of all UE in cell, other wireless parameter basic configuration；

SIB3 can include cell reselection information, relate generally to serving cell reselecting parameters and co-frequency cell gravity treatment ginseng Number；

SIB4 can include the reselecting parameters of homogeneous-frequency adjacent-domain list and each adjacent area, with frequency white black list cell list；

SIB5 can include reselecting parameters, the alien frequencies neighbor cell list of the list of alien frequencies adjacent frequency and each frequency with And reselecting parameters, the alien frequencies blacklist cell list of each adjacent area.

SIB6 can include general land wireless access time division duplex (UMTS Terrestrial Radio Access- Frequency Division Duplexing, UTRAFDD) list of adjacent frequency frequency and each frequency reselecting parameters, UTRA TDD adjacent frequency frequency lists and the reselecting parameters of each frequency；

SIB7 can include GSM and EDGE wireless access networks GERAN (GSM EDGE Radio Access Network, GERAN) the reselecting parameters of the list of adjacent frequency frequency and each frequency；

SIB8 can include the gravity treatment of CDMA2000 pre-registration, CDMA2000 adjacent frequency frequency band list and each frequency range The Neighboring Cell List of parameter, CDMA2000 adjacent frequency frequency ranges；

SIB9 can include the title of Home eNodeB (Home eNodeB)；

SIB10 can include tsunami warning system (Earthquake and Tsunami Warning System, ETWS) main notice (primary notification)；

SIB11 can include the auxiliary notices (secondary notification) of ETWS；

It is logical that SIB12 can include the mobile alert service (Commercial Mobile Alert Service, CMAS) of business Know (CMAS notification)；

SIB13 can include obtaining with one or more Multicast Broadcast Single Frequency Networks (Multicast Broadcast The related multimedia broadcasting and multicast function (Multimedia in Single Frequency Network, MBSFN regions Broadcast Multicast Service, MBMS) control information information.

SIB14~SIB20 respectively has its characteristic being directed to, and no longer describes one by one.

In addition, it is necessary to explanation, the system information on demand that step 202 obtains, which can include above-mentioned user terminal, to be needed The whole system information on demand that either branch's system information on demand or step 202 obtain not include above-mentioned user whole The system information needed is held, such as：The system information on demand that above-mentioned user terminal needs is SIB3 and SIB4, and network side is set The system information on demand that preparation is sent be probably SIB3 and SIB4, either SIB3 and SIB5 or SIB6, SIB7, SIB8 and SIB9 etc..And the system information on demand received when user terminal does not include system information that user terminal needs or only The part system information needed including above-mentioned user terminal, the then system information that user terminal can perform on demand next time obtain Flow.

It can realize that user terminal obtains network side equipment according to above-mentioned broadcast cycle and sent on demand by above-mentioned steps System information, due to not being to broadcast whole system informations every time, so as to reach save transfer resource purpose.

Optionally, above-mentioned user terminal obtains the broadcast cycle information of the system information on demand of network side equipment, including：

The user terminal receives the system information of the network side equipment periodic broadcasting, the system letter of the periodic broadcasting Breath includes the broadcast cycle information of the system information on demand.

In the embodiment, it is possible to achieve user terminal obtains network in the system information of network side equipment periodic broadcasting The broadcast cycle information of the system information on demand of side apparatus.In addition, the broadcast cycle of system information on demand can compare the cycle The broadcast cycle of the system information of broadcast will be grown, such as：The former can be the integral multiple of the latter.In addition, above-mentioned periodic broadcasting System information can be the system information for the broadcast cycle for only including system information on demand, certainly, above-mentioned in some scenes The system information of periodic broadcasting can also include other system informations for needing periodic broadcasting, for example, MIB, SIB1 and SIB2.

Optionally, the system information of above-mentioned periodic broadcasting also includes the broadcast configured information of the system information on demand.

Wherein, above-mentioned broadcast configured information is used to indicate the network side equipment in the wide of next system information on demand The transmission situation of the system information in the cycle on demand is broadcast, such as：In network side equipment in the wide of next system information on demand The system information of meeting broadcast transmission on demand in the cycle, or network side equipment are broadcast in the broadcast week of next system information on demand It is interim will not the system information of broadcast transmission on demand, or network side equipment is in the broadcast cycle of next system information on demand In which system information on demand etc. have sent.After receiving above-mentioned broadcast configured information so as to user terminal, step 202 is just The system on demand that the network side equipment is sent can be obtained according to above-mentioned broadcast cycle and broadcast configured information.

Wherein, the broadcast cycle of above-mentioned next system information on demand can be the network nearest from current time The broadcast cycle of one system information on demand of side apparatus.Wherein, above-mentioned broadcast configured information can be entered by a certain bit Row instruction, such as：Indicated with 1 bit, the broadcast cycle of the 1 next system information on demand of expression has system on demand when reaching Information is broadcasted, and 0 represents do not have；Or the broadcast cycle arrival of next system information on demand is represented when occurring with true (true) When have system information broadcast on demand, occur without then without the instruction.

In the embodiment, the power consumption of terminal can be saved by above-mentioned broadcast configured information, such as：Instruction is next When broadcast cycle does not broadcast system information on demand, so as to which user terminal avoids the need for performing the operation obtained, to save power consumption.

Optionally, above-mentioned broadcast configured information be used for indicate next system information on demand broadcast cycle reach when which System information on demand can broadcast transmission a bit.

In the embodiment, it can be realized by above-mentioned broadcast configured information and indicate the wide of next system information on demand When broadcasting the cycle and reaching, above-mentioned network side equipment can broadcast transmission which system information on demand.So as to user terminal can root The action obtained is performed according to the broadcast configured information, such as：The system information on demand indicated does not include what user terminal needed System information on demand, and can not obtain, to save the power consumption of terminal；If it is indicated that system information on demand include user The system information on demand that terminal needs, then the letter of system on demand of network side equipment broadcast is obtained in next broadcast cycle Breath.

Optionally, above-mentioned broadcast configured information indicates next system letter on demand in a manner of index list or bitmap Which system information on demand can broadcast transmission when the broadcast cycle of breath reaches.

In the embodiment, above-mentioned broadcast configured information can be understood as system information list on demand, next to indicate Which system information on demand carries out broadcast transmission when individual system information broadcast cycle on demand reaches.It can be index list (index list) or instruction system information index (SIB index) bitmap (bitmap), wherein bitmap instructions During the system information broadcast whether SIB1~SIBn (n is positive integer, such as n=20) is included on demand is sent, if including that Represented with 1；Otherwise, represented with 0.

Optionally, above-mentioned broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Wherein, said system can be understood as the broadcast week of the system information on demand of above-mentioned network side equipment information cycle The time interval of phase, the i.e. transmission opportunity of the system information of network side equipment broadcast transmission on demand.Preferential, said system information Cycle can be represented by radio frames, such as：{rf8,rf16,rf32,rf64,rf128,rf256,rf512}.So as to use Family terminal can determine the broadcast cycle of the system information on demand of above-mentioned network side equipment information cycle by said system.

In addition, above-mentioned starting point can be the starting point in each system information cycle, i.e. network side equipment broadcast transmission is pressed The starting point of each time interval of the transmission opportunity of the system information needed.Certainly, above-mentioned starting point can be understood as start bit Put.Preferential, starting point can be represented by the sub-frame information of radio frames, such as：Starting point can each system information week N-th of subframe in radio frames corresponding to phase, such as：N is 2,3,4,5 or 6 etc..User terminal passes through above-mentioned starting point The starting point of the system information of each broadcast cycle on demand is assured that, so as to can be carried out system information in the starting point Receive.

Said system information time window can be understood as in the system information cycle for having system information broadcast on demand to send During arrival, user terminal receives the time window length of system information on demand.Such as：Next system information broadcast week on demand Phase has system information broadcast on demand to send, then, when the broadcast cycle reaches, user terminal can is in the system information Time window receives system information on demand.

It should be noted that said system information time window and above-mentioned starting point are not limited in each broadcast cycle information All carry, but can carry said system information time window and above-mentioned starting point in each broadcast cycle information.Because Said system information time window and above-mentioned starting point can be fixed in some scenes or within a certain period of time, so as to In advance system-information time window and above-mentioned starting point are configured to user terminal；Or there was only first sometime interior broadcast week Carrying system information cycle, starting point and system-information time window in phase information, and in one or more ensuing broadcast In cycle information can carrying system information cycle, and starting point and system-information time window can not be carried.It is in addition, above-mentioned System information cycle, starting point and system-information time window can be configured by network side equipment.

Optionally, the above method also includes：

The user terminal sends system information request message (on-demand SI on demand to the network side equipment Request message), the system information request message on demand be used to asking the user terminal to need on demand be System information；

The user terminal receives the network side equipment when the broadcast cycle of next system information on demand reaches The system information response message (on-demand SI response message) on demand sent.

In the embodiment, it is possible to achieve user terminal sends said system information request message to network side equipment, with The system information for asking user terminal to need.Such as：The system information on demand that above-mentioned user terminal needs is SIB3 and SIB4, Then user terminal can send system information request message corresponding to SIB3 and SIB4 to network side equipment.Wherein, above-mentioned transmission The step of system information request message, can perform after step 201, can also be in step in some scenes certainly Performed before 201.

After network side equipment receives said system information request message, it is possible to according to the system information request message System information on demand is sent in the broadcast cycle of next system information on demand.Or can be network side equipment according to System information request message on demand that family terminal is sent and the system information on demand that oneself can be provided, are pressed next The system information response message of broadcast transmission on demand when the system information broadcast cycle needed reaches, wherein complete comprising that can provide System information on demand needed for portion or certain customers' terminal.

In the embodiment, it is possible to achieve the system information request message on demand sent according to user terminal is carried out on demand System information send, so as to avoid the unwanted system information on demand of broadcasting user terminal, to avoid transfer resource Waste.Certainly, above-mentioned user terminal can also send above-mentioned system information request message on demand, such as：According to above-mentioned broadcast Configured information knows that network side equipment can send system information on demand in next system information broadcast cycle on demand, then may be used Directly to be obtained in next broadcast cycle, the system information on demand that may be obtained includes what user terminal needed, if not Needed including user terminal, user terminal can then retransmit above-mentioned system information request message on demand.Or user is whole Know network side equipment in next system information broadcast periodic broadcasting on demand on demand according to above-mentioned broadcast configured information in end System information can include the system information that user terminal needs, then directly can be obtained in next broadcast cycle, so as to not Need to send request message.

In addition, network side equipment can use Radio Network Temporary Identifier (SI-RNTI, system information- Radio network temporary identifier) (such as OD-SI-RNTI) scrambling Physical Downlink Control Channel The system information response message of (PDCCH, Physical Downlink Control Channel) scheduling on demand, each user are whole End can be addressed by SI-RNTI.And sending system information response message on demand for broadcast mode, network side can be with Repeat to send system information on demand, user terminal passes through hybrid automatic repeat-request (HARQ, Hybrid Automatic Repeat reQuest) merging (being fed back without ACK/NACK) is retransmitted to improve System Information reception performance.

Optionally, above-mentioned system information response message on demand includes pressing in whole or in part for user terminal needs The system information needed, or the system information response message on demand do not include the system information that the user terminal needs；

Such as：Above-mentioned system information response message on demand include that the user terminal needs it is all or part of on demand System information, or the system information response message on demand include the user terminal need system information；Or Person

The system information response message on demand includes the system information of the whole of user terminal needs on demand, with And also include all or part of system information on demand that other users terminal needs, or do not needed including other users terminal The system information wanted；Or

The system information response message on demand includes the system information of the part of user terminal needs on demand, with And also include all or part of system information on demand that other users terminal needs, or do not needed including other users terminal The system information wanted；Or

The system information response message on demand does not include the system information on demand that the user terminal needs, but wraps The all or part of system information on demand of other users terminal needs is included, or does not also include what other users terminal needed System information.

Wherein, the system information response message on demand does not include the letter of system on demand that the user terminal needs Breath, it is determined that network side can not provide the system information needed for oneself.In addition, in the embodiment, network side equipment broadcast is more The system information on demand that individual user terminal needs, i.e. network lateral terminal by needed for the multiple user terminals that can be provided on demand System information merge, and broadcast transmission is carried out when reaching in next system information broadcast cycle on demand, to save Transfer resource.For example, the system information of UE1 requests is { SIB3, SIB4 }, the system information of UE2 requests is { SIB5, SIB6 }, The system information of UE3 requests is { SIB3, SIB4, SIB5, SIB6 }, the system on demand that network side equipment is sent according to 3 UE Information request message, with reference to oneself available system information on demand, arrived in next system information broadcast cycle on demand Up to when system information of the broadcast packet containing SIB3, SIB4, SIB5 and SIB6, it is of course also possible to may there was only SIB3, SIB4, SIB5 With part in SIB6, and other system informations can also be included.

Optionally, above-mentioned system information response message on demand indexes including system information form, the user terminal root The system information on demand sent according to network side equipment described in the broadcast cycle acquisition of information, in addition to：

Such as：It is described to be needed with the corresponding system information on demand of the system information form index including the user terminal The all or part of system information on demand wanted, or do not include the system information that the user terminal needs；Or

It is described to include what the user terminal needed with the corresponding system information on demand of the system information form index All system informations on demand, and also include all or part of system information on demand that other users terminal needs, or Person does not include the system information that other users terminal needs；Or

It is described to include what the user terminal needed with the corresponding system information on demand of the system information form index The system information of part on demand, and also include all or part of system information on demand that other users terminal needs, or Person does not include the system information that other users terminal needs；Or

It is described not include user terminal needs with the corresponding system information on demand of the system information form index System information on demand, but include all or part of system information on demand that other users terminal needs, or also not The system information needed including other users terminal.

In the embodiment, the system information on demand of network side broadcast can be system information form index (SI Table index), to save transport overhead.In addition, system information form index is to be directed to saved system information form (SI Table a kind of mode of user terminal), user terminal receive system information form index, can search system information form, SIB contents corresponding to finding.Wherein, the system information form that user terminal has preserved can be pre-configured with or User terminal receives that network side equipment is sent and preservation in advance.

In the embodiment, it is possible to achieve if terminal only receives the broadcast cycle of system information on demand, to network Side apparatus sends said system information request message, to avoid under when reaching in the system information broadcast cycle on demand, network Side apparatus does not broadcast the situation of system information on demand.

And it can also realize that the broadcast configured information received when user terminal indicates next system information on demand Broadcast cycle there is no system information broadcast on demand to send when reaching, such as：User terminal is received in the presence of being designated as 0 or not Occur instruction being present, instruction next system information broadcast cycle on demand does not have system information on demand to be broadcasted when reaching Send, then send said system information request message to network side equipment, to avoid under in system information broadcast week on demand When phase reaches, network side equipment does not broadcast the situation of system information on demand.

And it can also realize that the broadcast configured information received when user terminal indicates next system information on demand Broadcast cycle has system information broadcast on demand to send when reaching, what is received in next system information broadcast cycle on demand presses The system information needed does not include the system information on demand that user terminal needs, wherein, not including here can not included Any system information on demand that user terminal needs, or do not include the system information of the part of user terminal needs on demand, Only include part.So as to which user terminal sends said system information request message.It should be noted that in the scene, it is above-mentioned The broadcast cycle that user terminal receives next system information on demand of above-mentioned system information response message on demand is step Rapid 201 receive second system information broadcast cycle on demand after broadcast cycle because user terminal be first on demand The broadcast cycle of system information find that the system information on demand that receives does not include the system that user terminal needs when reaching Information.Such as：If user terminal, which receives, in the presence of 1 or true is designated as, indicates next system information broadcast week on demand Phase has system information on demand to carry out broadcast transmission when reaching, then the user terminal can be in next system information on demand When broadcast cycle reaches, the system information on demand of broadcast transmission is obtained.Further, the user terminal checks whether to include certainly The system information that oneself needs, if comprising, then user terminal has obtained required system information；If do not include, then should User terminal sends above-mentioned system information request message on demand to network side equipment.

And if it can also realize that the broadcast configured information that the user terminal receives indicates next system on demand When the broadcast cycle of information reaches the system information on demand of broadcast transmission do not include that the user terminal needs on demand be Unite information, then send system information request on demand to the network side equipment.Such as：It is next on demand to broadcast configured information The system information broadcast cycle can broadcast SIB4, SIB5 and SIB6, but user terminal is it is desirable that SIB3 and SIB4, then user terminal Above-mentioned system information request message on demand can be sent.Such as：If user terminal receives system information list on demand, refer to Show when next system information broadcast cycle on demand reaches which system information on demand carries out broadcast transmission, then the user Terminal checks whether the system information needed comprising oneself, if comprising, then user terminal can it is next on demand be When information of uniting broadcast cycle reaches, required system information is obtained；If do not include, then the user terminal is to network side equipment Send above-mentioned system information request message on demand.

Optionally, system information request message of the above-mentioned user terminal to network side equipment transmission on demand, including：

The user terminal passes through system informations of the Msg3 of random access procedure to network side equipment transmission on demand Request message；Or

The user terminal passes through system information request message of the RRC information to network side equipment transmission on demand；Or Person

The user terminal passes through system information request message of the MAC CE to network side equipment transmission on demand.

In the embodiment, Idle state/non-excited users terminal carries out system information on demand by random access procedure Request message is sent.System information request message on demand is included namely in the Msg3 of random access procedure.And connection State user terminal is sent by RRC information or MAC CE the system information request message carried out on demand.That is UE can be Comprising system information request message on demand in RRC information or MAC CE, wherein including system information list on demand.Wherein, Above-mentioned random access procedure can be the random access procedure in LTE system.

Optionally, said system information request message includes the information for the system information on demand that the user terminal needs List.

In the embodiment, it is possible to achieve the information list indicating user terminal of system information on demand need on demand System information, such as：When the system information needed for user terminal is SIB3 and SIB4, then user terminal send on demand be In system information request message the system information list on demand that includes for { SIB3, SIB4 } or {00110000000000000000}。

Optionally, methods described also includes：

In the embodiment, above-mentioned mapping relation information can be obtained from the system information for receive periodic broadcasting , i.e. the system information of the periodic broadcasting that network side equipment is sent includes above-mentioned mapping relation information, or user terminal is pre- First configure, so as to obtain above-mentioned mapping relation information from local., can be by sending above-mentioned up letter in the embodiment Number, the system information on demand needed with informing network side apparatus user terminal, and it is to be based on existing procedure to send upward signal Realize, so as to reduce communication process, and the improvement of user terminal and network side equipment.Certainly, network side equipment It is that advance obtain has above-mentioned mapping relation information.Such as：Idle state/non-excited users terminal by upward signal process carry out by The system information request message needed is sent.Namely user terminal sends upward signal (for example, Preamble lead codes, Sync Synchronous code etc.), mapping table be present with system information on demand in the upward signal.For example, Preamble1 corresponds to SIB3, Preamle2 corresponds to SIB4 or Preamble3 corresponds to SIB3 and SIB4.

Optionally, above-mentioned user terminal obtains the system on demand of the network side equipment transmission according to the broadcast cycle Information, including：

Such as：The system information on demand of the network side equipment broadcast transmission includes the whole that the user terminal needs Either branch's system information on demand or do not include the system information that the user terminal needs；Or

The system information on demand of the network side equipment broadcast transmission includes the whole of user terminal needs on demand System information, and also include whole that other users terminal needs and branch's system information on demand or do not include either The system information that other users terminal needs；Or

The system information on demand of the network side equipment broadcast transmission includes the part of user terminal needs on demand System information, and also include whole that other users terminal needs and branch's system information on demand or do not include either The system information that other users terminal needs；Or

The system information on demand of the network side equipment broadcast transmission do not include that the user terminal needs on demand System information, but the whole needed including other users terminal either branch's system information on demand or does not also include other The system information that user terminal needs.

In the embodiment, it is possible to achieve if broadcast configured information indicates the broadcast cycle of next system information on demand There is system information broadcast on demand to send during arrival, user terminal can be directly in the broadcast week of next system information on demand Phase receives the system information on demand of the network side equipment broadcast transmission when reaching.Wherein, broadcast configured information here refers to Showing when the broadcast cycle of next system information on demand reaches has system information broadcast on demand to send, it can be understood as broadcast Whether system information broadcast on demand is had when configured information is by indicating that the broadcast cycle of next system information on demand reaches Mode indicated.Broadcast transmission when can also be by indicating that the broadcast cycle of next system information on demand reaches The mode of system information on demand indicate there is system information on demand when next system information broadcast cycle on demand reaches Send, such as：The system of broadcast transmission when next system information broadcast cycle on demand of broadcast configured information instruction reaches Information includes the system information of user terminal needs, then user terminal can be directly in next system information broadcast on demand Cycle receives the system information on demand of the network side equipment broadcast transmission when reaching, without sending system on demand Information request message, to save transport overhead.

In the embodiment, it is possible to achieve user terminal does not have when reaching in next system information broadcast cycle on demand Receive the feedback of network side, it is believed that ask system information on demand to fail, then user terminal needs to carry out next time on demand System information broadcast transmission process.

It should be noted that can mutually it be tied between the embodiment of the plurality of optional of above-mentioned introduction in the embodiment of the present invention Close and realize, can also be implemented separately, this embodiment of the present invention is not construed as limiting.

The embodiment of the present invention, user terminal obtain the broadcast cycle of the system information on demand of network side equipment；The use Family terminal obtains the system information on demand of the network side equipment transmission according to the broadcast cycle.System can so be realized Information is sent on demand, and all system informations are all periodic broadcastings compared with prior art, and the embodiment of the present invention can reduce whole system The resource overhead for information of uniting, lifting system entirety resource utilization.

Referring to Fig. 3, the embodiment of the present invention also provides a kind of system information transmission method, as shown in figure 3, including following step Suddenly：

301st, the system information of network side equipment periodic broadcasting, wherein, the system information of the periodic broadcasting is including described The broadcast cycle information of the system information on demand of network side equipment；

302nd, the system on demand of network side equipment network side equipment according to the broadcast cycle information broadcast transmission Information.

Optionally, the broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Optionally, methods described also includes：

It should be noted that embodiment party of the present embodiment as network side equipment corresponding with the embodiment shown in Fig. 2 Formula, its specific embodiment may refer to the related description of the embodiment shown in Fig. 2, think and avoid repeat specification, this implementation Example repeats no more.In the present embodiment, the expense for reducing system information can be equally realized.

The embodiment introduced in above example is illustrated with multiple citings below：

Example 1：

The citing is only received in the case of the broadcast cycle of system information on demand with Idle state/inactive UE by connecing at random Enter the system information broadcast transmission process that process is carried out on demand to be illustrated, specific workflow is as follows：

Step 1, Idle state/inactive UE1 receive the system information that network side equipment periodic broadcasting is sent, wherein only including The broadcast cycle of system information on demand.

System information needed for step 2, UE1 is SIB3 and SIB4, and the system carried out on demand by random access procedure is believed Request message is ceased to send, that is, comprising system information request message on demand in the Msg3 of random access procedure, wherein wrapping It is { SIB3, SIB4 } containing system information list on demand.

Step 3, network side equipment according to the UE1 system information request message on demand sent and oneself can provide System information on demand, the system information response of broadcast transmission on demand when reaching in next system information broadcast cycle on demand Message, wherein including the SIB3 that can be provided and SIB4 system information.

The system information response that step 4, UE1 are received on demand when reaching in next system information broadcast cycle on demand disappears Breath, so as to obtain SIB3 and SIB4 system information.

Example 2

The citing is received to exist with Idle state/inactive UE and is designated as 0 or occurs without in the case of presence indicates by upper The system information broadcast transmission process that row signal process carries out on demand is illustrated, and specific workflow is as follows：

Step 1, Idle state/inactive UE2 and UE3 receive the system information that network side equipment periodic broadcasting is sent, wherein The broadcast cycle of system information on demand is included, while receives to exist and is designated as 0 or occurs without in the presence of instruction.In addition, network The system information that side apparatus is sent by periodic broadcasting sends Preamble and the mapping table of system information on demand, Preamble1 corresponds to SIB3, and Preamle2 corresponds to SIB4, and Preamble3 corresponds to SIB5 and SIB6.

System information on demand needed for step 2, UE2 is SIB3 and SIB4, then UE2 is sent to network side equipment Preamble1 and Preamble2, for representing its system information request message on demand.System information on demand needed for UE3 For SIB3 and SIB5, then UE3 sends Preamble1 and Preamble3 to network side equipment, for representing its system on demand Information request message.

Step 3, network side equipment according to 2 UE system information request message on demand sent and oneself can provide System information on demand, when reaching in next system information broadcast cycle on demand, the system information of broadcast transmission on demand is rung Message is answered, wherein including the system information for SIB3, SIB4, SIB5 and the SIB6 that can be provided.Specifically, network side equipment is used The system information response message of the PDCCH scheduling of SI-RNTI scramblings on demand.

Step 4, UE2 and UE3 receive system information on demand when reaching in next system information broadcast cycle on demand Response message.Specifically, UE2 and UE3 are addressed by SI-RNTI.UE2 obtains from system information response message on demand SIB3 and SIB4 system information, UE3 obtain SIB3 and SIB5 system information from system information response message on demand.

Example 3

The citing is received with Idle state/inactive UE to be believed in the presence of the system for being designated as carrying out in the case of 1 or true on demand Breath broadcast transmission process is illustrated, and specific workflow is as follows：

Step 1, Idle state/inactive UE4 receive the system information that network side equipment periodic broadcasting is sent, and are pressed wherein including The broadcast cycle of the system information needed, while receive to exist and be designated as 1 or true.

Step 2, network side equipment when reaching in next system information broadcast cycle on demand broadcast transmission on demand be System info response message, wherein including the system information for SIB3, SIB4, SIB5 and the SIB6 that can be provided.Specifically, network side The PDCCH that equipment is scrambled with SI-RNTI dispatches system information response message on demand.

The system information response that step 3, UE4 are received on demand when reaching in next system information broadcast cycle on demand disappears Breath.Specifically, UE4 is addressed by SI-RNTI.UE4 obtained from system information response message on demand SIB3, SIB4, SIB5 and SIB6 system information.UE4 checks whether the system information SIB5 and SIB6 needed comprising oneself, due to including institute Required system information has been obtained with UE4.

Example 4：

The citing is received the system information broadcast carried out on demand in the case of system information list on demand with connected state UE and sent out Pass through journey to be illustrated, specific workflow is as follows：

Step 1, connected state UE5 receive the system information that network side equipment periodic broadcasting is sent, wherein comprising on demand be The broadcast cycle for information of uniting, while receive system information list { SIB3, SIB4, SIB5, SIB6 } on demand.In addition, UE5 has been protected Deposit system information form (SI table).

Step 2, UE5 check whether the system information SIB3 and SIB4 needed comprising oneself, due to comprising so UE5 can When reaching in next system information broadcast cycle on demand, to obtain required system information.

Step 3, network side equipment when reaching in next system information broadcast cycle on demand broadcast transmission on demand be System info response message, wherein the index of the system information form comprising SIB3, SIB4, SIB5 and the SIB6 that can be provided (SI table index).Specifically, the PDCCH that network side equipment is scrambled with SI-RNTI dispatches system information response message on demand.

The system information response that step 4, UE5 are received on demand when reaching in next system information broadcast cycle on demand disappears Breath.Specifically, UE5 is addressed by SI-RNTI.UE5 obtains SIB3 and SIB4 from system information response message on demand System information form index, system information form can be searched, find corresponding to SIB contents.

Example 5

Embodiment five：

The citing is received to exist with Idle state/inactive UE2 and UE and is designated as 0 or occurs without to lead in the presence of in the case of instruction The system information broadcast transmission process that upward signal process is carried out on demand is crossed to be illustrated, and Idle state/inactive UE4 Receive and be illustrated in the presence of the system information broadcast transmission process for being designated as carrying out on demand in the case of 1 or true, wherein, Fig. 4 is system information broadcast transmission schematic diagram on demand, and specific workflow is as follows：

Step 1, Idle state/inactive UE2 and UE3 receive the system information that network side equipment periodic broadcasting is sent, wherein The broadcast cycle of system information on demand is included, while is occurred without in the presence of instruction.Further, the broadcast of system information on demand Cycle is 3 times of the cycle of the system information of periodic broadcasting.In addition, the system information that network side equipment is sent by periodic broadcasting Preamble and the mapping table of system information on demand are sent, Preamble1 corresponds to SIB3, and Preamle2 corresponds to SIB4, Preamble3 corresponds to SIB5 and SIB6.

Step 3, network side equipment according to 2 UE system information request message on demand sent and oneself can provide System information on demand, by the system information of broadcast transmission on demand when reaching in next system information broadcast cycle on demand Response message, wherein including the system information for SIB3, SIB4, SIB5 and the SIB6 that can be provided.

Step 4, Idle state/inactive UE4 receive the system information that network side equipment periodic broadcasting is sent, and are pressed wherein including The broadcast cycle of the system information needed, while receive to exist and be designated as true.

Step 5, network side equipment when reaching in next system information broadcast cycle on demand broadcast transmission on demand be System info response message, wherein including the system information for SIB3, SIB4, SIB5 and the SIB6 that can be provided.Specifically, network side The PDCCH that equipment is scrambled with SI-RNTI dispatches system information response message on demand.

Step 6, UE2, UE3 and UE4 receive system on demand when reaching in next system information broadcast cycle on demand Info response message.Specifically, UE2, UE3 and UE4 are addressed by SI-RNTI.UE2 disappears from system information response on demand SIB3 and SIB4 system information is obtained in breath, what UE3 obtained SIB3 and SIB5 from system information response message on demand is System information.UE4 obtains SIB3, SIB4, SIB5 and SIB6 system information from system information response message on demand.UE4 is looked into See whether comprising the system information SIB5 and SIB6 oneself needed, due to comprising so UE4 has obtained required system information.

Referring to Fig. 5, the embodiment of the present invention provides a kind of user terminal, as shown in figure 5, user terminal 500, including：

First acquisition module 501, the broadcast cycle information of the system information on demand for obtaining network side equipment；

Second acquisition module 502, sent on demand for the network side equipment according to the broadcast cycle acquisition of information System information.

Optionally, second acquisition module 502 is used for the system information for receiving the network side equipment periodic broadcasting, institute Stating the system information of periodic broadcasting includes the broadcast cycle information of the system information on demand.

Optionally, the broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Optionally, as shown in fig. 6, user terminal 500 also includes：

Sending module 503, for sending system information request message on demand to the network side equipment, it is described on demand System information request message is used for the system information on demand for asking the user terminal to need；

Second acquisition module 502 is used to, when the broadcast cycle of next system information on demand reaches, receive institute State the system information response message on demand of network side equipment transmission.

Optionally, the system information response message on demand indexes including system information form, the second acquisition module 502 It is additionally operable to search and the corresponding system information on demand of the system information form index from the system information form preserved；

Optionally, sending module 503 receives only the broadcast cycle information for the user terminal, then to the net Network side apparatus sends system information request message on demand；Or

If the sending module 503 be used for the broadcast configured information that receives of the user terminal indicate it is next on demand The broadcast cycle of system information does not have system information broadcast on demand to send when reaching, then is sent on demand to the network side equipment System information request message；Or

If the sending module 503 be used for the broadcast configured information that receives of the user terminal indicate it is next on demand The broadcast cycle of system information has system information broadcast on demand to send when reaching, but the user terminal is in the broadcast cycle The system information on demand that the user terminal needs is not received by, then the system sent on demand to the network side equipment is believed Cease request message；Or

If the sending module 503 be used for the broadcast configured information that receives of the user terminal indicate it is next on demand The system information on demand of broadcast transmission, which does not include the user terminal, when the broadcast cycle of system information reaches needs on demand System information, then send system information request message on demand to the network side equipment.

Optionally, sending module 503 is used to send to the network side equipment by the message 3Msg3 of random access procedure System information request message on demand；Or

Sending module 503 is used for by system information request message of the RRC information to network side equipment transmission on demand； Or

Sending module 503 is used for by system information request message of the MAC CE to network side equipment transmission on demand.

Optionally, as shown in fig. 7, user terminal 500 also includes：

3rd acquisition module 504, for obtaining upward signal and the mapping relation information of system information on demand；

The sending module 503 is used to send upward signal to the network side equipment, wherein, the upward signal and institute Mapping relations be present in the system information on demand for stating user terminal needs.

Optionally, if the second acquisition module 502 is used for the broadcast configured information and indicates next system information on demand Broadcast cycle there is system information broadcast on demand to send when reaching, reached in the broadcast cycle of next system information on demand When receive the system information on demand of the network side equipment broadcast transmission, wherein：

It should be noted that above-mentioned user terminal 500 can be embodiment of the method in the embodiment of the present invention in the present embodiment In any embodiment user terminal, any embodiment of user terminal all may be used in embodiment of the method in the embodiment of the present invention To be realized by the above-mentioned user terminal 500 in the present embodiment, and reach identical beneficial effect, here is omitted.

Referring to Fig. 8, the embodiment of the present invention provides a kind of network side equipment, as shown in figure 8, network side equipment 800 includes：

First broadcast module 801, for the system information of periodic broadcasting, wherein, the system information bag of the periodic broadcasting Include the broadcast cycle information of the system information on demand of the network side equipment；

Second broadcast module 802, for network side equipment to be on demand according to the broadcast cycle information broadcast transmission System information.

Optionally, the broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Optionally, as shown in figure 9, network side equipment 800 also includes：

Receiving module 803, for receive user terminal transmission system information request message on demand, it is described on demand be System information request message is used for the system information on demand for asking the user terminal to need；

Second broadcast module 802 is used for when the broadcast cycle of next system information on demand reaches, broadcast hair Send system information response message on demand.

Optionally, if receiving module 803 receives only the broadcast cycle for the user terminal, the use is received The system information request message on demand that family terminal is sent；Or

If receiving module 803, which is used for the broadcast configured information that the user terminal receives, indicates next system on demand The broadcast cycle of information does not have system information broadcast on demand to send when reaching, then receive that the user terminal sends on demand System information request message；Or

If receiving module 803, which is used for the broadcast configured information that the user terminal receives, indicates next system on demand The broadcast cycle of information has system information broadcast on demand to send when reaching, but the user terminal does not have in the broadcast cycle The system information on demand that the user terminal needs is received, then receives the system information on demand that the user terminal is sent Request message；Or

If receiving module 803, which is used for the broadcast configured information that the user terminal receives, indicates next system on demand When the broadcast cycle of information reaches the system information on demand of broadcast transmission do not include that the user terminal needs on demand be System information, then receive the system information request message on demand that the user terminal is sent.

Optionally, receiving module 803 is used to receive pressing for the 3Msg3 transmissions that the user terminal passes through random access procedure The system information request message needed；Or

Receiving module 803 disappears for receiving the system information request on demand that the user terminal is sent by RRC information Breath；Or

Receiving module 803 disappears for receiving the system information request on demand that the user terminal is sent by MAC CE Breath.

The receiving module 803 is used to receive the upward signal that the user terminal is sent, wherein, the upward signal with Mapping relations be present in the system information on demand that the user terminal needs.

It should be noted that above-mentioned network side equipment 800 can be that method is implemented in the embodiment of the present invention in the present embodiment The network side equipment of any embodiment in example, in the embodiment of the present invention in embodiment of the method network side equipment any embodiment party Formula can be realized by the above-mentioned network side equipment 800 in the present embodiment, and reach identical beneficial effect, herein no longer Repeat.

Referring to Figure 10, the embodiment of the present invention provides the structure of another user terminal, and the user terminal includes：Processor 1000th, transceiver 1010, memory 1020, user interface 1030 and EBI, wherein：

Processor 1000, for reading the program in memory 1020, perform following process：

Obtain the broadcast cycle information of the system information on demand of network side equipment；

The system on demand sent by the network side equipment according to the broadcast cycle acquisition of information of transceiver 1010 Information.

Wherein, transceiver 1010, for data to be received and sent under the control of processor 1000.

In Fig. 10, bus architecture can include the bus and bridge of any number of interconnection, specifically by the generation of processor 1000 The various circuits for the memory that the one or more processors and memory 1020 of table represent link together.Bus architecture may be used also So that various other circuits of such as ancillary equipment, voltage-stablizer and management circuit or the like to be linked together, these are all It is known in the art, therefore, no longer it is described further herein.EBI provides interface.Transceiver 1010 can To be multiple element, i.e., including transmitter and receiver, there is provided for the list to be communicated over a transmission medium with various other devices Member.For different user equipmenies, user interface 1030, which be can also be, external the interface for needing equipment is inscribed, and connection is set Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..

Processor 1000 is responsible for bus architecture and common processing, and memory 1020 can store processor 1000 and exist Used data when performing operation.

Optionally, the broadcast cycle of the system information on demand for obtaining network side equipment, including：

The system that periodic broadcasting described in the system information of the network side equipment periodic broadcasting is received by transceiver 1010 Information includes the broadcast cycle of the system information on demand.

Optionally, the system information of the periodic broadcasting also includes the broadcast configured information letter of the system information on demand Breath.

Optionally, the broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Optionally, processor 1000 is additionally operable to：

System information request message on demand is sent to the network side equipment by transceiver 1010, it is described on demand be System information request message is used for the system information on demand for asking the user terminal to need；

The system information on demand that the network side equipment according to the broadcast cycle acquisition of information is sent, including：

By transceiver 1010 when the broadcast cycle of next system information on demand reaches, receive the network side and set The system information response message on demand that preparation is sent.

Optionally, the system information request message sent to the network side equipment on demand, including：

If the user terminal receives only the broadcast cycle information, set by transceiver 1010 to the network side Preparation send system information request message on demand；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand There is no system information broadcast on demand to send during arrival, then by transceiver 1010 to the network side equipment send on demand be System information request message；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand There is system information broadcast on demand to send during arrival, but the user terminal is not received by the user in the broadcast cycle The system information on demand that terminal needs, then the system information sent on demand to the network side equipment by transceiver 1010 please Seek message；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand The system information on demand of broadcast transmission does not include the system information on demand that the user terminal needs during arrival, then passes through receipts Hair machine 1010 sends system information request message on demand to the network side equipment.

System information on demand is sent to the network side equipment by message 3 of the transceiver 1010 in random access procedure Request message；Or

By transceiver 1010 in system information request message of the RRC information to network side equipment transmission on demand；Or Person

By transceiver 1010 in system information request message of the MAC CE to network side equipment transmission on demand.

Optionally, processor 1000 is additionally operable to：

Obtain upward signal and the mapping relation information of system information on demand；

The system information request message sent to the network side equipment on demand, including：

Upward signal is sent to the network side equipment by transceiver 1010, wherein, the upward signal and the use Mapping relations be present in the system information on demand that family terminal needs.

Optionally, the system information on demand that the network side equipment transmission is obtained according to the broadcast cycle, bag Include：

If it is described broadcast configured information indicate next system information on demand broadcast cycle reach when have on demand be System information broadcast transmission, the net is received when the broadcast cycle of next system information on demand reaches by transceiver 1010 The system information on demand of network side apparatus broadcast transmission, wherein：

Optionally, after the system information request message sent to the network side equipment on demand, methods described is also Including：

It should be noted that above-mentioned user terminal can be appointed in the embodiment of the present invention in embodiment of the method in the present embodiment The user terminal for embodiment of anticipating, any embodiment of user terminal can be by embodiment of the method in the embodiment of the present invention Above-mentioned user terminal in the present embodiment is realized, and reaches identical beneficial effect, and here is omitted.

Referring to Figure 11, a kind of structure of network side equipment is shown in figure, the network side equipment includes：Processor 1100, receive Hair machine 1110, memory 1120, user interface 2110 and EBI, wherein：

Processor 1100, for reading the program in memory 1120, perform following process：

By the system information of the periodic broadcasting of transceiver 1110, wherein, the system information of the periodic broadcasting is including described The broadcast cycle information of the system information on demand of network side equipment；

Pass through the system on demand of the network side equipment according to the broadcast cycle information broadcast transmission of transceiver 1110 Information.

Wherein, transceiver 1110, for data to be received and sent under the control of processor 1100.

In fig. 11, bus architecture can include the bus and bridge of any number of interconnection, specifically by the generation of processor 1100 The various circuits for the memory that the one or more processors and memory 1120 of table represent link together.Bus architecture may be used also So that various other circuits of such as ancillary equipment, voltage-stablizer and management circuit or the like to be linked together, these are all It is known in the art, therefore, no longer it is described further herein.EBI provides interface.Transceiver 1110 can To be multiple element, i.e., including transmitter and receiver, there is provided for the list to be communicated over a transmission medium with various other devices Member.For different user equipmenies, user interface 2110, which be can also be, external the interface for needing equipment is inscribed, and connection is set Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..

Processor 1100 is responsible for bus architecture and common processing, and memory 1120 can store processor 1100 and exist Used data when performing operation.

Optionally, the broadcast cycle information includes：

System information cycle, starting point and system-information time window.

Optionally, processor 1100：

The system information request message on demand of user terminal transmission, the system on demand are received by transceiver 1110 Information request message is used for the system information on demand for asking the user terminal to need；

The system information on demand of the network side equipment according to the broadcast cycle information broadcast transmission, including：

By transceiver 1110 next system information on demand broadcast cycle reach when, broadcast transmission on demand be System info response message.

Optionally, the system information request message on demand for receiving the user terminal and sending, including：

If the user terminal receives only the broadcast cycle information, it is whole that the user is received by transceiver 1110 Hold the system information request message on demand sent；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand There is no system information broadcast on demand to send during arrival, then by transceiver 1110 receive that the user terminal sends on demand System information request message；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand There is system information broadcast on demand to send during arrival, but the user terminal is not received by the user in the broadcast cycle The system information on demand that terminal needs, then the system information on demand of the user terminal transmission is received by transceiver 1110 Request message；Or

If the broadcast configured information that the user terminal receives indicates the broadcast cycle of next system information on demand The system information on demand of broadcast transmission does not include the system information on demand that the user terminal needs during arrival, then passes through receipts Hair machine 1110 receives the system information request message on demand that the user terminal is sent.

The system on demand for the 3Msg3 transmissions that the user terminal passes through random access procedure is received by transceiver 1110 Information request message；Or

The system information request on demand that the user terminal sent by RRC information is received by transceiver 1110 to disappear Breath；Or

The system information request message on demand that the user terminal sent by MAC CE is received by transceiver 1110.

The system information request message on demand for receiving the user terminal and sending, including：

The upward signal that the user terminal sends is received by transceiver 1110, wherein, the upward signal with it is described Mapping relations be present in the system information on demand that user terminal needs.

It should be noted that above-mentioned network side equipment can be in the embodiment of the present invention in embodiment of the method in the present embodiment The network side equipment of any embodiment, any embodiment of network side equipment is all in embodiment of the method in the embodiment of the present invention It can be realized by the above-mentioned network side equipment in the present embodiment, and reach identical beneficial effect, here is omitted.

In several embodiments provided herein, it should be understood that disclosed method and apparatus, can be by other Mode realize.For example, device embodiment described above is only schematical, for example, the division of the unit, only For a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine Or another system is desirably integrated into, or some features can be ignored, or do not perform.Another, shown or discussed phase Coupling or direct-coupling or communication connection between mutually can be by some interfaces, the INDIRECT COUPLING or communication of device or unit Connection, can be electrical, mechanical or other forms.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also That the independent physics of unit includes, can also two or more units it is integrated in a unit.Above-mentioned integrated list Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.

The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer Equipment (can be personal computer, server, or network equipment etc.) performs receiving/transmission method described in each embodiment of the present invention Part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store The medium of program code.

Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims

A kind of 1. system information transmission method, it is characterised in that including：

User terminal obtains the broadcast cycle information of the system information on demand of network side equipment；

The system information on demand that user terminal network side equipment according to the broadcast cycle acquisition of information is sent.
2. the method as described in claim 1, it is characterised in that the user terminal obtains the system on demand of network side equipment The broadcast cycle information of information, including：

The user terminal receives the system information of the network side equipment periodic broadcasting, the system information bag of the periodic broadcasting Include the broadcast cycle information of the system information on demand.
3. method as claimed in claim 2, it is characterised in that the system information of the periodic broadcasting also include it is described on demand The broadcast configured information of system information.
4. method as claimed in claim 3, it is characterised in that it is described broadcast configured information be used for indicate it is next on demand be Whether the broadcast cycle of system information has system information broadcast on demand to send when reaching.
5. method as claimed in claim 3, it is characterised in that it is described broadcast configured information be used for indicate it is next on demand be Which system information on demand can broadcast transmission when the broadcast cycle for information of uniting reaches.
6. method as claimed in claim 5, its feature is in the broadcast configured information is in a manner of index list or bitmap Indicate which system information on demand can broadcast transmission when the broadcast cycle of next system information on demand reaches.
7. the method as any one of claim 1 to 6, it is characterised in that the broadcast cycle information includes：

System information cycle, starting point and system-information time window.
8. such as the method any one of claim 1-6, it is characterised in that methods described also includes：

The user terminal sends system information request message on demand, the system information on demand to the network side equipment Request message is used for the system information on demand for asking the user terminal to need；

The system information on demand that user terminal network side equipment according to the broadcast cycle acquisition of information is sent, bag Include：

The user terminal receives the network side equipment and sent when the broadcast cycle of next system information on demand reaches System information response message on demand.
9. method as claimed in claim 8, it is characterised in that the system information response message on demand includes the user The all or part of system information on demand that terminal needs, or the system information response message on demand is including described The system information that user terminal needs；

Wherein, the system information response message on demand also include that other users terminal needs it is all or part of on demand System information, or include other users terminal need system information on demand.
10. method as claimed in claim 8, it is characterised in that the system information response message on demand is believed including system Cease table index, the system on demand that user terminal network side equipment according to the broadcast cycle acquisition of information is sent Information, in addition to：

The user terminal is searched corresponding on demand with the system information form index from the system information form preserved System information；

Wherein, it is described to include what the user terminal needed with the corresponding system information on demand of the system information form index Whole either branch's system information on demand or does not include the system information that the user terminal needs；

And described also include what other users terminal needed with the corresponding system information on demand of the system information form index All or part of system information on demand, or the system letter on demand corresponding with the system information form index Breath does not include the system on demand that other users terminal needs.
11. method as claimed in claim 8, it is characterised in that the user terminal is sent on demand to the network side equipment System information request message, including：

If the user terminal receives only the broadcast cycle information, the user terminal is sent to the network side equipment System information request message on demand；Or

If the broadcast configured information that the user terminal receives indicates that the broadcast cycle of next system information on demand reaches When there is no system information broadcast on demand to send, then the user terminal sends system information on demand to the network side equipment Request message；Or

If the broadcast configured information that the user terminal receives indicates that the broadcast cycle of next system information on demand reaches When there is system information broadcast on demand to send, but the user terminal is not received by the user terminal in the broadcast cycle The system information on demand needed, the then system information request that the user terminal is sent on demand to the network side equipment disappear Breath；Or

If the broadcast configured information that the user terminal receives indicates that the broadcast cycle of next system information on demand reaches When broadcast transmission system information on demand do not include the system information on demand that the user terminal needs, then the user is whole Hold the system information request message on demand to network side equipment transmission.
12. method as claimed in claim 8, it is characterised in that the user terminal is sent on demand to the network side equipment System information request message, including：

The user terminal passes through system informations of the message 3Msg3 of random access procedure to network side equipment transmission on demand Request message；Or

The user terminal passes through system information request of the radio resource control RRC message to network side equipment transmission on demand Message；Or

The system that the user terminal is sent on demand by media access control MAC Channel Elements CE to the network side equipment is believed Cease request message.
13. method as claimed in claim 8, it is characterised in that the system information request message includes the user terminal The information list of the system information on demand needed.
14. method as claimed in claim 8, it is characterised in that methods described also includes：

The user terminal obtains upward signal and the mapping relation information of system information on demand；

The user terminal sends system information request message on demand to the network side equipment, including：

The user terminal sends upward signal to the network side equipment, wherein, the upward signal and the user terminal Mapping relations be present in the system information on demand needed.
15. method as claimed in claim 3, it is characterised in that the user terminal is according to the broadcast cycle acquisition of information The system information on demand that the network side equipment is sent, including：

If the broadcast configured information indicates to have when the broadcast cycle of next system information on demand reaches system letter on demand Broadcast transmission is ceased, the user terminal receives the network side when the broadcast cycle of next system information on demand reaches and set The system information on demand of standby broadcast transmission, wherein：

The system information on demand of the network side equipment broadcast transmission includes whole or the branch that the user terminal needs System information on demand, or do not include the system information that the user terminal needs；

And the system information on demand of the network side equipment broadcast transmission also include other users terminal need whole or Partial system information on demand, or do not include the system information on demand that other users terminal needs.
16. method as claimed in claim 8, it is characterised in that the user terminal is sent on demand to the network side equipment System information request message after, methods described also includes：

If the user terminal is not received by the network side equipment in the broadcast cycle of next system information on demand and returned The feedback returned, then carry out system information broadcast transmission process on demand next time.
A kind of 17. system information transmission method, it is characterised in that including：

The system information of network side equipment periodic broadcasting, wherein, the system information of the periodic broadcasting is set including the network side The broadcast cycle information of standby system information on demand；

The system information on demand of network side equipment network side equipment according to the broadcast cycle information broadcast transmission.
18. method as claimed in claim 17, it is characterised in that the system information of the periodic broadcasting also include it is described on demand System information broadcast configured information.
19. method as claimed in claim 18, it is characterised in that the broadcast configured information be used to indicating it is next on demand Whether the broadcast cycle of system information has system information broadcast on demand to send when reaching.
20. method as claimed in claim 18, it is characterised in that the broadcast configured information be used to indicating it is next on demand Which system information on demand can broadcast transmission when the broadcast cycle of system information reaches.
21. method as claimed in claim 20, its feature is in the broadcast configured information is with index list or the side of bitmap Formula indicates which system information on demand can broadcast transmission when the broadcast cycle of next system information on demand reaches.
22. the method as any one of claim 17 to 21, it is characterised in that the broadcast cycle information includes：

System information cycle, starting point and system-information time window.
23. such as the method any one of claim 17-21, it is characterised in that methods described also includes：

The network side equipment receives the system information request message on demand that user terminal is sent, the system information on demand Request message is used for the system information on demand for asking the user terminal to need；

The system information on demand of network side equipment network side equipment according to the broadcast cycle information broadcast transmission, Including：

The network side equipment is when the broadcast cycle of next system information on demand reaches, the system letter of broadcast transmission on demand Cease response message.
24. method as claimed in claim 23, it is characterised in that the system information response message on demand includes the use The all or part of system information on demand that family terminal needs, or the system information response message on demand do not include institute State the system information of user terminal needs；

Wherein, the system information response message on demand also include that other users terminal needs it is all or part of on demand System information, or include other users terminal need system information on demand.
25. method as claimed in claim 23, it is characterised in that the system information response message on demand is believed including system Table index is ceased, is indexed so that the user terminal is searched from the system information form preserved with the system information form Corresponding system information on demand；

Wherein, it is described to include what the user terminal needed with the corresponding system information on demand of the system information form index Whole either branch's system information on demand or does not include the system information that the user terminal needs；

And described also include what other users terminal needed with the corresponding system information on demand of the system information form index All or part of system information on demand, or the system letter on demand corresponding with the system information form index Breath does not include the system on demand that other users terminal needs.
26. method as claimed in claim 23, it is characterised in that the network side equipment receives user terminal and sent on demand System information request message, including：

If the user terminal receives only the broadcast cycle information, the network side equipment receives the user terminal hair The system information request message on demand sent；Or

If the broadcast configured information that the user terminal receives indicates that the broadcast cycle of next system information on demand reaches When there is no system information broadcast on demand to send, then the network side equipment receives the system on demand that the user terminal is sent Information request message；Or

If the broadcast configured information that the user terminal receives indicates that the broadcast cycle of next system information on demand reaches When there is system information broadcast on demand to send, but the user terminal is not received by the user terminal in the broadcast cycle The system information on demand needed, the then system information request on demand that the network side equipment reception user terminal is sent Message；Or

If the broadcast configured information that the user terminal receives indicates that the broadcast cycle of next system information on demand reaches When broadcast transmission system information on demand do not include the system information on demand that the user terminal needs, the then network side Equipment receives the system information request message on demand that the user terminal is sent.
27. method as claimed in claim 23, it is characterised in that the network side equipment receives user terminal and sent on demand System information request message, including：

The network side equipment receives the system information on demand that the user terminal is sent by the 3Msg3 of random access procedure Request message；Or

The network side equipment receives the system information request message on demand that the user terminal is sent by RRC information；Or Person

The network side equipment receives the system information request message on demand that the user terminal is sent by MAC CE.
28. method as claimed in claim 23, it is characterised in that the system information request message includes the user terminal The information list of the system information on demand needed.
29. method as claimed in claim 23, it is characterised in that the system information of the periodic broadcasting also includes upward signal With the mapping relation information of system information on demand；

The network side equipment receives the system information request message on demand that user terminal is sent, including：

The network side equipment receives the upward signal that the user terminal is sent, wherein, the upward signal and the user Mapping relations be present in the system information on demand that terminal needs.
A kind of 30. user terminal, it is characterised in that including：

First acquisition module, the broadcast cycle information of the system information on demand for obtaining network side equipment；

Second acquisition module, the letter of system on demand sent for the network side equipment according to the broadcast cycle acquisition of information Breath.
31. user terminal as claimed in claim 30, it is characterised in that second acquisition module is used to receive the network The system information of side apparatus periodic broadcasting, the system information of the periodic broadcasting include the broadcast week of the system information on demand Phase information.
32. user terminal as claimed in claim 30, it is characterised in that the system information of the periodic broadcasting also includes described The broadcast configured information of system information on demand.
33. user terminal as claimed in claim 32, it is characterised in that the broadcast configured information is used to indicate next press Whether the broadcast cycle of the system information needed has system information broadcast on demand to send when reaching.
34. user terminal as claimed in claim 32, it is characterised in that the broadcast configured information is used to indicate next press Which system information on demand can broadcast transmission when the broadcast cycle of the system information needed reaches.
35. user terminal as claimed in claim 34, its feature is in the broadcast configured information is with index list or bitmap Mode indicate which system information on demand can broadcast transmission when the broadcast cycle of next system information on demand reaches.
36. the user terminal as any one of claim 30 to 35, it is characterised in that the broadcast cycle packet Include：

System information cycle, starting point and system-information time window.
37. such as the user terminal any one of claim 30-35, it is characterised in that the user terminal also includes：

Sending module, for the system information request message to network side equipment transmission on demand, the system letter on demand Breath request message is used for the system information on demand for asking the user terminal to need；

Second acquisition module is used to, when the broadcast cycle of next system information on demand reaches, receive the network side The system information response message on demand that equipment is sent.
38. user terminal as claimed in claim 37, it is characterised in that the system information response message on demand includes institute The all or part of system information on demand of user terminal needs is stated, or the system information response message on demand does not wrap Include the system information that the user terminal needs；

Wherein, the system information response message on demand also include that other users terminal needs it is all or part of on demand System information, or include other users terminal need system information on demand.
39. user terminal as claimed in claim 37, it is characterised in that the system information response message on demand is including being Information form of uniting indexes, and second acquisition module is additionally operable to look into from the system information form preserved from the user terminal Look for and the corresponding system information on demand of the system information form index；

Wherein, it is described to include what the user terminal needed with the corresponding system information on demand of the system information form index Whole either branch's system information on demand or does not include the system information that the user terminal needs；

And described also include what other users terminal needed with the corresponding system information on demand of the system information form index All or part of system information on demand, or the system letter on demand corresponding with the system information form index Breath does not include the system on demand that other users terminal needs.
40. user terminal as claimed in claim 34, it is characterised in that the sending module only connects for the user terminal The broadcast cycle information is received, then the system information request message to network side equipment transmission on demand；Or

If the sending module is used for the next system letter on demand of broadcast configured information instruction that the user terminal receives The broadcast cycle of breath does not have system information broadcast on demand to send when reaching, then the system to network side equipment transmission on demand Information request message；Or

If the sending module is used for the next system letter on demand of broadcast configured information instruction that the user terminal receives The broadcast cycle of breath has system information broadcast on demand to send when reaching, but the user terminal does not connect in the broadcast cycle The system information on demand that the user terminal needs is received, then the system information request to network side equipment transmission on demand Message；Or

If the sending module is used for the next system letter on demand of broadcast configured information instruction that the user terminal receives The system information on demand of broadcast transmission does not include the system on demand that the user terminal needs when the broadcast cycle of breath reaches Information, then send system information request message on demand to the network side equipment.
41. user terminal as claimed in claim 37, it is characterised in that second acquisition module is used to pass through Stochastic accessing The message 3Msg3 of process sends system information request message on demand to the network side equipment；Or

Second acquisition module is used for by system of the radio resource control RRC message to network side equipment transmission on demand Information request message；Or

Second acquisition module is used to send on demand to the network side equipment by media access control MAC Channel Elements CE System information request message.
42. user terminal as claimed in claim 37, it is characterised in that the system information request message includes the user The information list for the system information on demand that terminal needs.
43. user terminal as claimed in claim 37, it is characterised in that the user terminal also includes：

3rd acquisition module, for obtaining upward signal and the mapping relation information of system information on demand；

The sending module is used to send upward signal to the network side equipment, wherein, the upward signal and the user Mapping relations be present in the system information on demand that terminal needs.
44. user terminal as claimed in claim 32, it is characterised in that if second acquisition module is used for the broadcast and referred to Show that information indicates to have system information broadcast on demand to send when the broadcast cycle of next system information on demand reaches, next The broadcast cycle of individual system information on demand receives the system information on demand of the network side equipment broadcast transmission when reaching, its In：

The system information on demand of the network side equipment broadcast transmission includes whole or the branch that the user terminal needs System information on demand, or do not include the system information that the user terminal needs；

And the system information on demand of the network side equipment broadcast transmission also include other users terminal need whole or Partial system information on demand, or do not include the system information on demand that other users terminal needs.
45. user terminal as claimed in claim 37, it is characterised in that if the user terminal is in next system on demand The broadcast cycle of information is not received by the feedback that the network side equipment returns, then the user terminal carries out pressing next time The system information broadcast transmission process needed.
A kind of 46. network side equipment, it is characterised in that including：

First broadcast module, for the system information of periodic broadcasting, wherein, the system information of the periodic broadcasting includes the net The broadcast cycle information of the system information on demand of network side apparatus；

Second broadcast module, the letter of system on demand for the network side equipment according to the broadcast cycle information broadcast transmission Breath.
47. network side equipment as claimed in claim 46, it is characterised in that the system information of the periodic broadcasting also includes institute State the broadcast configured information of system information on demand.
48. network side equipment as claimed in claim 47, it is characterised in that the broadcast configured information is next for indicating Whether the broadcast cycle of system information on demand has system information broadcast on demand to send when reaching.
49. network side equipment as claimed in claim 47, it is characterised in that the broadcast configured information is next for indicating Which system information on demand can broadcast transmission when the broadcast cycle of system information on demand reaches.
50. network side equipment as claimed in claim 49, its feature is in the broadcast configured information is with index list or position The mode of figure indicates which system information on demand can broadcast transmission when the broadcast cycle of next system information on demand reaches.
51. such as the network side equipment any one of claim 46-50, it is characterised in that the broadcast cycle packet Include：

System information cycle, starting point and system-information time window.
52. such as the network side equipment any one of claim 46-50, it is characterised in that the network side equipment also wraps Include：

Receiving module, for receiving the system information request message on demand of user terminal transmission, the system information on demand Request message is used for the system information on demand for asking the user terminal to need；

Second broadcast module is used for when the broadcast cycle of next system information on demand reaches, and broadcast transmission is on demand System information response message.
53. network side equipment as claimed in claim 52, it is characterised in that the system information response message on demand includes The all or part of system information on demand that the user terminal needs, or the system information response message on demand is not The system information needed including the user terminal；

Wherein, the system information response message on demand also include that other users terminal needs it is all or part of on demand System information, or include other users terminal need system information on demand.
54. network side equipment as claimed in claim 52, it is characterised in that the system information response message on demand includes System information form indexes, so that the user terminal is searched and the system message list from the system information form preserved System information corresponding to lattice index on demand；

Wherein, it is described to include what the user terminal needed with the corresponding system information on demand of the system information form index Whole either branch's system information on demand or does not include the system information that the user terminal needs；

And described also include what other users terminal needed with the corresponding system information on demand of the system information form index All or part of system information on demand, or the system letter on demand corresponding with the system information form index Breath does not include the system on demand that other users terminal needs.
55. network side equipment as claimed in claim 52, it is characterised in that if the receiving module is used for the user terminal The broadcast cycle is received only, then receives the system information request message on demand that the user terminal is sent；Or

If the receiving module is used for the next system letter on demand of broadcast configured information instruction that the user terminal receives The broadcast cycle of breath does not have system information broadcast on demand to send when reaching, then receive that the user terminal sends on demand be System information request message；Or

If the receiving module is used for the next system letter on demand of broadcast configured information instruction that the user terminal receives The broadcast cycle of breath has system information broadcast on demand to send when reaching, but the user terminal does not connect in the broadcast cycle The system information on demand that the user terminal needs is received, then receives the system information on demand that the user terminal is sent and asks Seek message；Or

If the receiving module is used for the next system letter on demand of broadcast configured information instruction that the user terminal receives The system information on demand of broadcast transmission does not include the system on demand that the user terminal needs when the broadcast cycle of breath reaches Information, then receive the system information request message on demand that the user terminal is sent.
56. network side equipment as claimed in claim 52, it is characterised in that the receiving module is used to receive user's end The system information request message on demand that end is sent by the 3Msg3 of random access procedure；Or

The receiving module is used to receive the system information request message on demand that the user terminal is sent by RRC information； Or

The receiving module is used to receive the system information request message on demand that the user terminal is sent by MAC CE.
57. network side equipment as claimed in claim 52, it is characterised in that the system information request message includes the use The information list for the system information on demand that family terminal needs.
58. network side equipment as claimed in claim 52, it is characterised in that the system information of the periodic broadcasting also includes upper Row signal and the mapping relation information of system information on demand；

The receiving module is used to receive the upward signal that the user terminal is sent, wherein, the upward signal and the use Mapping relations be present in the system information on demand that family terminal needs.