HK1258136B - Information transmission method and device - Google Patents

Description

Information transmission method and equipment

Technical Field

The present application relates to the field of communications, and more particularly, to an information transmission method and apparatus.

Background

In an existing Long Term Evolution (LTE) system, after a terminal establishes downlink synchronization information with a serving cell, the terminal may obtain relevant information of the serving cell by receiving system information sent by the serving cell through broadcast signaling.

The system information is periodically transmitted in the cell by means of broadcasting. The sending method of the system information has the advantages of low sending efficiency, high signaling overhead and serious waste of resources.

Disclosure of Invention

The embodiment of the application provides an information transmission method and device, which can improve sending efficiency and reduce signaling overhead, thereby avoiding resource waste.

In a first aspect, an information transmission method is provided, including: the method comprises the steps that first indication information sent by second equipment is obtained by first equipment, and the first indication information is used for indicating first system information needed by the second equipment; and the first equipment sends the first system information according to the first indication information.

Therefore, when the equipment needs the system information and carries out the trigger request of the system information in the network, the system information is sent, the equipment can acquire and send the system information in time, the sending efficiency of the system information is improved, the signaling overhead is reduced, and the utilization rate of resources can be improved.

With reference to the first aspect, in a first possible implementation manner of the first aspect, the sending, by the first device, the first system information according to the first indication information includes: and the first equipment transmits the first system information in a broadcasting or multicasting mode according to the first indication information.

Therefore, after the first device receives the trigger request for the system information from the second device, the system information is sent in a broadcast or multicast mode, so that the second device can obtain the system information in time, and other devices can also obtain the system information in an idle state, thereby avoiding the situation that the other devices are switched from the idle state to a connection state when the other devices need to obtain the system information, and requesting the system information from the first device to cause power consumption and signaling waste.

Optionally, the sending, by the first device, the first system information according to the first indication information includes: and the first equipment sends the first system information in a unicast mode according to the first indication information.

With reference to the first aspect or any one of the foregoing possible implementation manners of the first aspect, in a second possible implementation manner of the first aspect, the first device is a terminal device, and the second device is a terminal device; or, the first device is a network device, and the second device is a terminal device.

With reference to the first aspect or any one of the foregoing possible implementation manners of the first aspect, in a third possible implementation manner of the first aspect, the obtaining, by the first device, first indication information sent by the second device includes: the first device obtains the first indication information sent by the second device, where the first indication information is first physical layer indication information, or first Medium Access Control (MAC) layer indication information, or first Radio Resource Control (RRC) layer indication information.

With reference to the first aspect or any one of the foregoing possible implementation manners of the first aspect, in a fourth possible implementation manner of the first aspect, the acquiring, by the first device, the first indication information sent by the second device includes: the first device obtains the first physical layer indication information from the second device from a physical layer channel or a physical layer resource block or a physical layer sequence corresponding to the first system information; or, the first device obtains the first MAC layer indication information from a control field of the MAC layer message corresponding to the first system information, or from a control bit corresponding to the first system information in a reserved control field of the MAC layer message, where the MAC layer message is from the second device; or, the first device obtains the first RRC layer indication information from a control field of an RRC layer message corresponding to the first system information, or from a control bit of a reserved control field of the RRC layer message corresponding to the first system information, where the RRC layer message is from the second device.

With reference to the first aspect or any one of the foregoing possible implementations of the first aspect, in a fifth possible implementation of the first aspect, the method further includes: the first device sends second indication information, wherein the second indication information is used for indicating system information which can be sent by the first device.

Alternatively, the first device may broadcast the second indication information or transmit the second indication information through dedicated signaling.

With reference to the first aspect or any one of the foregoing possible implementation manners of the first aspect, in a sixth possible implementation manner of the first aspect, the broadcasting, by the first device, second indication information includes: the first device broadcasts the second indication information, wherein the second indication information is second physical layer indication information, second MAC layer indication information or second RRC layer indication information.

With reference to the first aspect or any one of the foregoing possible implementations of the first aspect, in a seventh possible implementation of the first aspect, the broadcasting, by the first device, the second indication information includes: the first device sends different system information or second physical layer indication information corresponding to different system information groups through different physical layer channels, or different physical resource blocks, or different physical layer sequences; or the first device carries second RRC layer indication information corresponding to different system information or system information groups through different control domains of the RRC message or different bits of the same control domain; or the first device carries the second MAC layer indication information corresponding to different system information or system information groups through different control domains of the MAC message or different bits of the same control domain.

With reference to the first aspect or any one of the foregoing possible implementations of the first aspect, in an eighth possible implementation of the first aspect, the system information includes at least one of the following information: cell selection information related to camping; scheduling information of an information block in which system information is located; access restriction information; a common channel parameter; configuration information of MBSFN subframes; cell reselection related information; reselection information of cells with the same frequency; inter-frequency cell reselection information; inter-system cell reselection information; inter-system cell reselection information; inter-system cell reselection information.

With reference to the first aspect or any one of the foregoing possible implementations of the first aspect, in a ninth possible implementation of the first aspect, the method further includes: the first device determining second system information, the second system information being system information related to the first system information; the first device transmits the second system information.

With reference to the first aspect or any one of the foregoing possible implementations of the first aspect, in a tenth possible implementation of the first aspect, the determining, by the first device, second system information includes: determining other system information belonging to the same system information group as the first system information as the second system information; and/or determining other system information utilized by the service utilizing the first system information as the second system information.

In a second aspect, an information transmission method is provided, including: when a first device detects a signal on a resource for sending first indication information, determining that system information needs to be sent, wherein the first indication information is used for requesting the system information; the first device transmits the system information.

With reference to the second aspect, in a first possible implementation manner of the second aspect, the sending, by the first device, the system information includes: determining a terminal device configured to transmit the first indication information using the resource; the first device sends the system information, including: and sending the system information to the terminal equipment.

With reference to the second aspect or any one of the foregoing possible implementations of the second aspect, in a second possible implementation of the second aspect, the resource is one or more combinations of a physical channel or a physical resource block or an antenna port or a codeword sequence.

In a third aspect, an information transmission method is provided, where the method includes: the method comprises the steps that a second device sends first indication information to a first device, wherein the first indication information is used for indicating first system information required by the second device; the second device acquires the first system information sent by the first device.

With reference to the third aspect, in a first possible implementation manner of the third aspect, the acquiring, by the second device, the first system information sent by the first device includes: the second device acquires the first system information sent by the first device in a broadcasting, multicasting or unicasting mode.

With reference to the third aspect or any one of the foregoing possible implementation manners of the third aspect, in a second possible implementation manner of the third aspect, the first device is a terminal device, and the second device is a terminal device; or, the first device is a network device, and the second device is a terminal device.

With reference to the third aspect or any one of the foregoing possible implementation manners of the third aspect, in a third possible implementation manner of the third aspect, the sending, by the second device, the first indication information to the first device includes: the second device sends the first indication information to the first device, wherein the first indication information is first physical layer indication information, first Medium Access Control (MAC) layer indication information or first Radio Resource Control (RRC) layer indication information.

With reference to the third aspect or any one of the foregoing possible implementation manners of the third aspect, in a fourth possible implementation manner of the third aspect, the sending, by the second device, the first indication information to the first device includes: the second device sends the first physical layer indication information through a physical channel, or a physical resource block, or a physical layer sequence corresponding to the first system information; or the second device sends the first MAC layer indication information through a control field corresponding to the system information in the MAC message, or a control bit corresponding to the first system information in a reserved control field in the MAC message; or, the second device sends the first RRC layer indication information through a control field corresponding to the system message in the RRC message, and a control bit corresponding to the first system information in a reserved control field in the RRC message.

With reference to the third aspect or any one of the foregoing possible implementations of the third aspect, in a fifth possible implementation of the third aspect, before the second device sends the first MAC layer indication information or the first RRC layer indication information, the method further includes: the second device determines that the physical layer of the second device adopts a shared channel mode to carry out information transmission.

With reference to the third aspect or any one of the foregoing possible implementation manners of the third aspect, in a sixth possible implementation manner of the third aspect, before the second device sends the first indication information to the first device, the method further includes: the second device acquires second indication information sent by the first device, wherein the second indication information is used for indicating system information which can be sent by the first device; the second device sends first indication information to the first device, and the first indication information comprises: and the second equipment sends the first indication information to the first equipment according to the second indication information, wherein the system information indicated by the first indication information belongs to the system information which can be sent by the first equipment.

With reference to the third aspect or any one of the foregoing possible implementation manners of the third aspect, in a seventh possible implementation manner of the third aspect, the obtaining, by the second device, second indication information sent by the first device includes: the second device obtains second physical layer indication information, second MAC layer indication information, or second RRC layer indication information sent by the first device.

With reference to the third aspect or any one of the foregoing possible implementation manners of the third aspect, in an eighth possible implementation manner of the third aspect, the acquiring, by the second device, second physical layer indication information, second MAC layer indication information, or second RRC layer indication information that is sent by the first device includes: the second device obtains the second physical layer indication information corresponding to different system information or different system information groups from different physical layer channels, or different physical resource blocks, or different physical layer sequences; or the second device obtains the second RRC layer indication information corresponding to different system information or different system information groups from different control fields of the RRC message or different control bits of the same control field; or the second device obtains the second MAC layer indication information corresponding to different system information or different system information groups from different control fields of the MAC message or different control bits of the same control field.

With reference to the third aspect or any one of the foregoing possible implementations of the third aspect, in a ninth possible implementation of the third aspect, the system information includes at least one of the following information: cell selection information related to camping; scheduling information of an information block in which system information is located; access restriction information; a common channel parameter; configuration information of MBSFN subframes; cell reselection related information; reselection information of cells with the same frequency; inter-frequency cell reselection information; inter-system cell reselection information; inter-system cell reselection information; inter-system cell reselection information.

With reference to the third aspect or any one of the foregoing possible implementations of the third aspect, in a tenth possible implementation of the third aspect, the method further includes: and the second equipment receives second system information sent by the first equipment, wherein the second system information is system information related to the first system information.

In a fourth aspect, there is provided an information transmission apparatus configured to perform the method of the first aspect or any optional implementation manner of the first aspect. In particular, the information transmission device comprises module means for performing the method of the first aspect described above or any possible implementation manner of the first aspect.

In a fifth aspect, there is provided an information transmission apparatus configured to perform the method of the second aspect or any optional implementation manner of the second aspect. In particular, the information transmission device comprises module means for performing the method of the first aspect described above or any possible implementation manner of the first aspect.

A sixth aspect provides an information transmission apparatus configured to perform the method of the third aspect or any optional implementation manner of the third aspect. In particular, the information transmission device comprises a module unit for performing the method of the third aspect or any possible implementation manner of the third aspect.

In a seventh aspect, an information transmission apparatus is provided, including: a memory for storing instructions and a processor for executing the instructions stored by the memory and when the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of the first aspect or any of the alternative implementations of the first aspect.

In an eighth aspect, there is provided an information transmission device including: a memory for storing instructions and a processor for executing the instructions stored by the memory and which, when executed by the processor, causes the processor to carry out the method of the second aspect or any alternative implementation of the second aspect.

In a ninth aspect, there is provided an information transmission device including: a memory for storing instructions and a processor for executing the instructions stored by the memory, and when the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of the third aspect or any alternative implementation of the third aspect.

A tenth aspect provides a computer storage medium having program code stored therein for instructing execution of the method of the first aspect or any alternative implementation manner of the first aspect.

In an eleventh aspect, there is provided a computer storage medium having program code stored therein for instructing execution of the method of the second aspect or any alternative implementation manner of the second aspect.

In a twelfth aspect, there is provided a computer storage medium having program code stored therein for instructing execution of the method of the third aspect or any alternative implementation manner of the third aspect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic flow chart of an information transmission method according to an embodiment of the present application.

Fig. 2 is a schematic flow chart of an information transmission method according to an embodiment of the present application.

Fig. 3 is a schematic flow chart of an information transmission method according to an embodiment of the present application.

Fig. 4 is a schematic block diagram of an information transmission apparatus according to an embodiment of the present application.

Fig. 5 is a schematic block diagram of an information transmission apparatus according to an embodiment of the present application.

Fig. 6 is a schematic block diagram of an information transmission apparatus according to an embodiment of the present application.

Fig. 7 is a schematic block diagram of an information transmission apparatus according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In some embodiments, terminal-to-Device (D2D) communication may refer to Vehicle-to-Vehicle (V2V) communication, or V2X communication, or X2X. In V2X or X2X communications, X may refer broadly to any device with wireless receiving and transmitting capabilities, such as, but not limited to, a slow moving wireless device, a fast moving vehicle mounted device, or a network control node with wireless transmit receiving capabilities.

The technical scheme of the embodiment of the application can be applied to various communication systems, for example: global System for Mobile communications (GSM) systems, Code Division Multiple Access (CDMA) systems, Wideband Code Division Multiple Access (WCDMA) systems, General Packet Radio Service (GPRS), Long Term Evolution (LTE), Universal Mobile Telecommunications System (UMTS), and other current communication systems, and are particularly applicable to future 5G systems.

The terminal device in the embodiments of the present application may also refer to a User Equipment (User Equipment, abbreviated as "UE"), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a User terminal, a wireless communication device, a User agent, or a User Equipment. An access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with Wireless communication capability, a computing device or other processing device connected to a Wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G Network or a terminal device in a future evolved Public Land Mobile Network (PLMN), etc.

The Network device in this embodiment may be a device for communicating with a terminal device, and the Network device may be a Base Station (BTS) in GSM or CDMA, a Base Station (NodeB, NB) in a WCDMA system, an evolved Base Station (eNB or eNodeB) in an LTE system, a wireless controller in a Cloud Radio Access Network (CRAN) scenario, or a relay Station, an Access point, a vehicle-mounted device, a wearable device, a Network device in a future 5G Network, or a Network device in a future evolved PLMN Network, and the like.

The System Information in the embodiment of the present application may be used to acquire Information related to a serving cell, and the System Information in the embodiment of the present application may include Information of a plurality of Information blocks (SIB), for example, Information of at least SIB1, SIB2, SIB3, SIB4, SIB5, SIB6, SIB7, and SIB8 Information blocks.

Wherein, SIB1 mainly includes: the cell selects information related to residence and scheduling information of other system information blocks; SIB2 mainly includes: access restriction information, common channel parameters, and configuration information of a multicast Single Frequency Network (MBSFN) subframe; SIB3 mainly includes: cell reselection related information; SIB4 mainly includes: reselection information of cells with the same frequency; SIB5 mainly includes: inter-frequency cell reselection information; SIB6 mainly includes: inter-system cell reselection information (UMTS Radio Access Network, UTRAN)); SIB7 mainly includes: inter-system cell reselection information (GSM/EDGE radio access network GSM/Enhanced Data Rate for GSM Evolution (EDGE)), GERAN); SIB8 mainly includes: inter-system cell reselection information (CDMA 2000).

Fig. 1 is a schematic flow chart diagram of an information transmission method 100 according to an embodiment of the present application. Fig. 1 shows steps or operations of an information transmission method, but the steps or operations are only examples, and other operations or variations of the respective operations in fig. 1 may be performed by the embodiment of the present invention.

In 110, the second device sends first indication information to the first device, where the first indication information is used to indicate first system information required by the second device.

At 120, the second device obtains the first system information sent by the first device.

Fig. 2 is a schematic flow chart diagram of an information transmission method 200 according to an embodiment of the present application. Fig. 2 shows steps or operations of an information transmission method, but the steps or operations are only examples, and other operations or variations of the respective operations in fig. 2 may be performed by the embodiment of the present invention.

In 210, the first device obtains first indication information sent by the second device, where the first indication information is used to indicate first system information required by the second device.

In 220, the first device transmits the first system information according to the first indication information.

Therefore, when the equipment needs the system information and carries out the trigger request of the system information in the network, the system information is sent, the equipment can acquire and send the system information in time, the sending efficiency of the system information is improved, the signaling overhead is reduced, and the utilization rate of resources can be improved.

It should be understood that the first system information indicated by the first indication information may be a single system information, or may be a plurality of system information, for example, a set of system information.

Optionally, in this embodiment of the present application, both the first device and the second device may be terminal devices, that is, this embodiment of the present application may be used for D2D communication; or, the first device is a network device, and the second device is a terminal device.

Optionally, in this embodiment of the present application, the first device may send the first system information in multiple ways.

In one implementation, the first device transmits the first system information by broadcasting.

Correspondingly, the second device may receive the first system information transmitted by the first device in a broadcast manner.

Therefore, after the first device receives the trigger request for the system information from the second device, the system information is sent in a broadcast mode, so that the second device can obtain the system information in time, and other devices can also obtain the system information in an idle state, thereby avoiding the situation that the other devices are switched from the idle state to a connection state when the system information needs to be obtained, and requesting the system information from the first device to cause power consumption and signaling waste.

In one implementation, the first device may transmit the first system information in a multicast manner.

Correspondingly, the second device may receive the first system information transmitted by the first device in a multicast manner.

Optionally, when the first device sends the first system information in a multicast manner, a group where the second device is located may be determined, and the first system information is sent to the multiple devices in the group, for example, an identifier of each device in the group or an identifier of the second device may be carried in a message where the first system information is located, or a group identifier of the group may be carried.

Therefore, after the first device receives the trigger request for the system information from the second device, the system information is sent in a multicast mode, so that the second device can obtain the system information in time, and other devices can also obtain the system information in an idle state, thereby avoiding the situation that the other devices are switched from the idle state to a connection state when the system information needs to be obtained, and requesting the system information from the first device to cause power consumption and signaling waste.

In one implementation, the first device may send the first system information in a unicast manner.

Correspondingly, the second device may receive the first system information sent by the first device in a unicast manner.

Optionally, when the first device sends the first system information in a unicast manner, the message in which the first system information is located may carry the identifier of the second device.

Optionally, in this embodiment of the application, the first indication information may be carried in a physical layer, and then the first indication information may be the first physical layer indication information.

In this case, the second device may send the first physical layer indication information through a physical channel, or a physical resource block, or a physical layer sequence corresponding to the required first system information.

The first device may obtain the first physical layer indication information through a physical channel, or a physical resource block, or a physical layer sequence corresponding to the first system information.

Wherein, one physical layer channel, or one physical layer resource block, or one physical layer sequence may correspond to single or multiple first system information.

Optionally, in this embodiment of the application, the first indication information may be carried in a Media Access Control (MAC) layer, and the first indication information may be first MAC layer indication information.

In this case, the second device may transmit the first MAC layer indication information through a control field corresponding to the system information in the MAC message or a control bit corresponding to the first system information in a reserved control field in the MAC message.

The first device may obtain the first MAC layer indication information through a control field corresponding to the first system information in the MAC message or a control bit corresponding to the first system information in a reserved control field in the MAC message.

Optionally, in this embodiment of the application, the first indication information may be carried in a Radio Resource Control (RRC) layer, and the first indication information may be indication information of the first RRC layer.

In this case, the second device may transmit the first RRC layer indication information through a control field corresponding to the system information in the RRC message or a control bit corresponding to the first system information in a reserved control field in the RRC message. Alternatively, the RRC message may be an RRC setup request (rrcestablishingrequest).

The first device may obtain the first RRC layer indication information through a control field corresponding to the first system information in the RRC message or a control bit corresponding to the first system information in a reserved control field in the RRC message.

Optionally, in this embodiment of the present application, the second device may send the first indication information through an RRC message or an MAC message when determining that the physical layer of the second device performs information transmission in a shared channel manner.

Optionally, in this embodiment of the application, in addition to sending the first system information, the first device may also send second system information, where the second system information is system information related to the first system information. For example, other system information belonging to the same system information group as the first system information is determined as the second system information; and/or determining other system information utilized by a service utilizing the first system information as the second system information.

Optionally, in this embodiment of the application, the first device may send second indication information in advance, where the second indication information is used to indicate system information that the first device can send.

Specifically, the first device may broadcast the second indication information or transmit the second indication information through dedicated signaling.

When the first device transmits the second indication information through the dedicated signaling, the first device may determine the system information that needs to be indicated according to the receiving end, for example, assuming that the first device may transmit A, B, C three sets of system information, and the first device determines that the second device only needs a set of system information, the first device may transmit the second indication information to the second device, the second indication information only indicating that a set of system information may be transmitted by the first device.

After acquiring the system information that can be sent by the first device, the second device may request the first device for the required system information.

The second device may request the system information required from the first device when the system information is required, or the second device may predict system information that may be used subsequently and request the system information from the second device.

The first device may transmit the second indication information in a variety of ways.

For example, the first device may transmit the second indication information in a broadcast, multicast or unicast manner.

Accordingly, the second device may acquire the second indication information transmitted by the first device by means of unicast, multicast or broadcast.

Optionally, in this embodiment of the application, the second indication information may be carried in a physical layer, and then the second indication information may be second physical layer indication information.

The first device may send different system information or second physical layer indication information corresponding to different system information groups through different physical layer channels, or different physical resource blocks, or different sequences.

Accordingly, the second device may obtain the second physical layer indication information corresponding to different system information or different system information groups from different physical layer channels, or different physical resource blocks, or different physical layer sequences.

Optionally, in this embodiment of the present application, the second indication information may be carried in a MAC layer, and then the second indication information may be second MAC layer indication information.

The first device carries second MAC layer indication information corresponding to different system information or different system information groups through different control domains of the MAC message or different bits of the same control domain.

Correspondingly, the second device obtains the second RRC layer indication information corresponding to different system information or different system information groups from different control fields of the RRC message or different control bits of the same control field.

Optionally, in this embodiment of the application, the second indication may be carried in an RRC layer, and the second indication information may be second RRC layer indication information.

The first device carries the second RRC layer indication information corresponding to different system information or different system information groups through different control domains of the RRC message or different bits of the same control domain.

Correspondingly, the second device obtains the second MAC layer indication information corresponding to different system information or different information from different control fields of the MAC message or different control bits of the same control field.

Optionally, in this embodiment of the present application, the first device may send the second indication information through an RRC message or an MAC message when determining that the physical layer of the first device performs information transmission in a shared channel manner.

Optionally, the system information groups mentioned in this embodiment may be divided according to SIBs, for example, one system information group may include at least one SIB, or may be divided according to other manners, for example, according to service requirements and the like.

Optionally, the system information in the embodiment of the present application includes at least one of the following information: cell selection information related to camping; scheduling information of an information block in which system information is located; access restriction information; a common channel parameter; configuration information of MBSFN subframes; cell reselection related information; reselection information of cells with the same frequency; inter-frequency cell reselection information; inter-system cell reselection information; inter-system cell reselection information; inter-system cell reselection information.

Fig. 3 is a schematic flow chart diagram of an information transmission method 300 according to an embodiment of the present application. Fig. 3 shows steps or operations of an information transmission method, but the steps or operations are only examples, and other operations or variations of the respective operations in fig. 3 may be performed by the embodiment of the present invention.

In 310, the first device determines that system information needs to be transmitted when detecting a signal on a resource for first indication information, the first indication information being used to request the system information.

It should be understood that detecting a signal may refer to the detected signal having an intensity that is greater than or equal to a certain intensity threshold.

Alternatively, the resource may be one or more combinations of physical channels or physical resource blocks or antenna ports or codeword sequences.

At 320, the first device transmits system information.

Therefore, when detecting that a signal exists on a resource used for sending indication information requesting system information, the first device can send the system information corresponding to the indication information without demodulating the information, so that the problem that the first device fails to send the system information in time due to the fact that a plurality of terminals send the indication information through the same resource and information demodulation fails can be avoided, and the first device can reduce resource waste and save electric quantity.

Optionally, when the first device determines that system information needs to be transmitted, it may determine a terminal device configured to transmit the first indication information using the resource, and transmit the system information that needs to be transmitted to the determined terminal device.

In the embodiment shown in fig. 3, reference may be made to the above description regarding the operation of the second device, and in the method 300, the first device may also send the system information capable of being sent in advance, and the specific implementation manner and the implementation manner of the corresponding second device may refer to the above description.

Fig. 4 is a schematic block diagram of an information transmission apparatus 400 according to an embodiment of the present application. As shown in fig. 4, the apparatus 400 includes a processing unit 410 and a transmitting unit 420; wherein the processing unit 410 is configured to: acquiring first indication information sent by second equipment, wherein the first indication information is used for indicating system information required by the second equipment; the sending unit 420 is configured to: and sending the first system information according to the first indication information.

Optionally, the sending unit 420 is further configured to: and transmitting the first system information in a broadcasting, multicasting or unicasting mode according to the first indication information.

Optionally, the device 400 is a terminal device, and the second device is a terminal device; alternatively, the device 400 is a network device and the second device is a terminal device.

Optionally, the processing unit 420 is further configured to: and acquiring the first indication information sent by the second device, wherein the first indication information is first physical layer indication information, or first Medium Access Control (MAC) layer indication information, or first Radio Resource Control (RRC) layer indication information.

Optionally, the processing unit 420 is further configured to: acquiring the first physical layer indication information from the second device from a physical layer channel or a physical layer resource block or a physical layer sequence corresponding to the first system information; or, acquiring the first MAC layer indication information from a control field of the MAC layer message corresponding to the first system information, or from a control bit of the MAC layer message corresponding to the first system information in a reserved control field of the MAC layer message, where the MAC layer message is from the second device; or, the first RRC layer indication information is obtained from a control field of the RRC layer message corresponding to the first system information, or from a control bit of the reserved control field of the RRC layer message corresponding to the first system information, where the RRC layer message is from the second device.

Optionally, the sending unit 420 is further configured to: second indication information indicating system information that the apparatus 400 can transmit is transmitted.

Specifically, the second indication information may be transmitted by broadcasting or by dedicated signaling.

Optionally, the sending unit 420 is further configured to: broadcasting the second indication information, wherein the second indication information is second physical layer indication information, second MAC layer indication information or second RRC layer indication information.

Optionally, the sending unit 420 is further configured to: sending different system information or second physical layer indication information corresponding to different system information groups through different physical layer channels, or different physical resource blocks, or different physical layer sequences; or, different control domains of the RRC message or different bits of the same control domain carry second RRC layer indication information corresponding to different system information or system information groups; or, different control domains of the MAC message or different bits of the same control domain carry second MAC layer indication information corresponding to different system information or system information groups.

Optionally, the system information includes at least one of the following information: cell selection information related to camping; scheduling information of an information block in which system information is located; access restriction information; a common channel parameter; configuration information of MBSFN subframes; cell reselection related information; reselection information of cells with the same frequency; inter-frequency cell reselection information; inter-system cell reselection information; inter-system cell reselection information; inter-system cell reselection information.

Optionally, the processing unit 410 is further configured to: determining second system information, the second system information being system information related to the first system information; the sending unit 420 is further configured to: and sending the second system information.

Optionally, the processing unit 410 is further configured to: determining other system information belonging to the same system information group as the first system information as the second system information; and/or determining other system information utilized by a service utilizing the first system information as the second system information.

Fig. 5 is a schematic block diagram of an information transmission apparatus 500 according to an embodiment of the present application. As shown in fig. 5, the apparatus 500 comprises a processing unit 510 and a transmitting unit 520, wherein the processing unit 510 is configured to: when a signal is detected on a resource for transmitting first indication information, determining that system information needs to be transmitted, wherein the first indication information is used for requesting the system information; the sending unit 520 is configured to: the system information is transmitted.

Optionally, the processing unit 510 is further configured to: determining a terminal device configured to transmit the first indication information using the resource; the sending unit 520 is further configured to: and sending the system information to the terminal equipment.

Optionally, the resource is one or more combinations of a physical channel or a physical resource block or an antenna port or a codeword sequence.

Fig. 6 is a schematic block diagram of an information transmission apparatus 600 according to an embodiment of the present application. As shown in fig. 6, the apparatus 600 includes a transmitting unit 610 and a processing unit 620; wherein, the sending unit 610 is configured to: transmitting first indication information to a first device, wherein the first indication information is used for indicating system information required by the device 600; the processing unit 620 is configured to: and acquiring the system information sent by the first equipment.

Optionally, the processing unit 620 is further configured to: and acquiring the first system information sent by the first device in a broadcasting, multicasting or unicasting mode.

Optionally, the first device is a terminal device, and the device 600 is a terminal device; or, the first device is a network device, and the device 600 is a terminal device.

Optionally, the sending unit 610 is further configured to: and sending the first indication information to the first device, wherein the first indication information is first physical layer indication information, first Medium Access Control (MAC) layer indication information or first Radio Resource Control (RRC) layer indication information.

Optionally, the sending unit 610 is further configured to: sending the first physical layer indication information through a physical channel, or a physical resource block, or a physical layer sequence corresponding to the first system information; or, sending the first MAC layer indication information through a control field corresponding to the system information in the MAC message or a control bit corresponding to the first system information in a reserved control field in the MAC message; or, the first RRC layer indication information is sent through a control field corresponding to the system information in the RRC message, and a control bit corresponding to the first system information in a reserved control field in the RRC message.

Optionally, before the sending unit 610 sends the first MAC layer indication information or the first RRC layer indication information, the processing unit 620 is further configured to: it is determined that the physical layer of the device 600 performs information transmission in a shared channel manner.

Optionally, before the sending unit 610 sends the first indication information to the first device, the processing unit 620 is further configured to: acquiring second indication information sent by the first equipment, wherein the second indication information is used for indicating system information which can be sent by the first equipment; and sending the first indication information to the first equipment according to the second indication information, wherein the system information indicated by the first indication information belongs to the system information which can be sent by the first equipment.

Optionally, the processing unit 620 is further configured to: and acquiring second physical layer indication information, second MAC layer indication information or second RRC layer indication information sent by the first equipment.

Optionally, the processing unit 620 is further configured to: acquiring different system information or the second physical layer indication information corresponding to different system information groups from different physical layer channels, or different physical resource blocks, or different physical layer sequences; or, obtaining the second RRC layer indication information corresponding to different system information or different system information groups from different control fields of the RRC message or different control bits of the same control field; or, acquiring second MAC layer indication information corresponding to different system information or different system information groups from different control fields of the MAC message or different control bits of the same control field.

Optionally, the system information includes at least one of the following information: cell selection information related to camping; scheduling information of an information block in which system information is located; access restriction information; a common channel parameter; configuration information of MBSFN subframes; cell reselection related information; reselection information of cells with the same frequency; inter-frequency cell reselection information; inter-system cell reselection information; inter-system cell reselection information; inter-system cell reselection information.

Fig. 7 is a schematic block diagram of an apparatus 700 according to an embodiment of the present application. The device 700 includes a processor 710, a memory 720, and a transceiver 730. And a memory 720 for storing program instructions. Processor 710 may call program instructions stored in memory 720. Transceiver 730 is used for external communication and device 700 optionally further includes a bus system 740 interconnecting processor 710, memory 720 and transceiver 730.

Optionally, the device 700 may correspond to the first device described above, and may implement corresponding operations of the first device in fig. 2 and the optional implementation manner, and may also implement corresponding operations of the first device in fig. 3 and the optional implementation manner.

Optionally, the device may correspond to the second device described above, and may implement the corresponding operations of the second device in fig. 2 and the optional implementation manners.

In the following, the device 700 is first described as an example of a device that can implement the corresponding operations of the first device in fig. 2 and the alternative implementation.

In particular, processor 710 is configured to call instructions stored in memory 720, and perform the following operations: acquiring first indication information sent by second equipment, wherein the first indication information is used for indicating first system information required by the second equipment; the transceiver 730 is utilized to transmit the first system information according to the first indication information.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: the first system information is transmitted by the transceiver 730 through broadcasting, multicasting or unicasting according to the first indication information.

Optionally, the device 700 is a terminal device, and the second device is a terminal device; alternatively, the device 700 is a network device and the second device is a terminal device.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: and acquiring the first indication information sent by the second device, wherein the first indication information is first physical layer indication information, or first Medium Access Control (MAC) layer indication information, or first Radio Resource Control (RRC) layer indication information.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: acquiring the first physical layer indication information from the second device from a physical layer channel or a physical layer resource block or a physical layer sequence corresponding to the first system information; or, obtaining the first MAC layer indication information from a control field of the MAC layer message corresponding to the first system information, or from a control bit corresponding to the first system information in a reserved control field of the MAC layer message, where the MAC layer message is from the second device; or, the first RRC layer indication information is obtained from a control field of the RRC layer message corresponding to the first system information, or from a control bit of the reserved control field of the RRC layer message corresponding to the first system information, where the RRC layer message is from the second device.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: second indication information is broadcast using the transceiver 730, the second indication information indicating system information that the device 700 is capable of transmitting.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: the transceiver 730 is utilized to transmit the second indication information, which is the second physical layer indication information, the second MAC layer indication information or the second RRC layer indication information.

Specifically, the second indication information may be transmitted by broadcasting or by dedicated signaling.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: transmitting different system information or second physical layer indication information corresponding to different system information groups through different physical layer channels, or different physical resource blocks, or different physical layer sequences by using the transceiver 730; or, different control domains of the RRC message or different bits of the same control domain carry second RRC layer indication information corresponding to different system information or system information groups; or, different control domains of the MAC message or different bits of the same control domain carry second MAC layer indication information corresponding to different system information or system information groups.

Optionally, the cell selects information related to camping; scheduling information of an information block in which system information is located; access restriction information; a common channel parameter; configuration information of MBSFN subframes; cell reselection related information; reselection information of cells with the same frequency; inter-frequency cell reselection information; inter-system cell reselection information; inter-system cell reselection information; inter-system cell reselection information.

The following description will be made by taking the device 700 as an example of a device that can implement the corresponding operations of the second device in fig. 1 and the alternative implementation.

In particular, processor 710 is configured to call instructions stored in memory 720 to perform the following: transmitting first indication information to the first device using the transceiver 730, the first indication information indicating first system information required by the device 700; and acquiring the first system information sent by the first equipment.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: and acquiring the first system information sent by the first device in a broadcasting, multicasting or unicasting mode.

Optionally, the first device is a terminal device, and the device 700 is a terminal device; or, the first device is a network device, and the device 700 is a terminal device.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: the transceiver 730 is utilized to send the first indication information to the first device, where the first indication information is first physical layer indication information, first medium access control MAC layer indication information, or first radio resource control RRC layer indication information.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: transmitting the first physical layer indication information by using the transceiver 730 through a physical channel, or a physical resource block, or a physical layer sequence corresponding to the first system information; or, the transceiver 730 is utilized to send the first MAC layer indication information through a control field corresponding to the system information in the MAC message or a control bit corresponding to the first system information in a reserved control field in the MAC message; or, the transceiver 730 is utilized to transmit the first RRC layer indication information through the control field corresponding to the system message in the RRC message, and the control bit corresponding to the first system information in the reserved control field in the RRC message.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: before the transceiver 730 is used to transmit the first MAC layer indication information or the first RRC layer indication information, it is determined that the physical layer of the device 700 performs information transmission in a shared channel manner.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: before the transceiver 730 is used for sending the first indication information to the first device, obtaining second indication information sent by the first device, wherein the second indication information is used for indicating system information which can be sent by the first device; according to the second indication information, the transceiver 730 is utilized to transmit the first indication information to the first device, and the system information indicated by the first indication information belongs to the system information which can be transmitted by the first device.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: and acquiring second physical layer indication information, second MAC layer indication information or second RRC layer indication information sent by the first equipment.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: acquiring different system information or the second physical layer indication information corresponding to different system information groups from different physical layer channels, or different physical resource blocks, or different physical layer sequences; or, obtaining the second RRC layer indication information corresponding to different system information or different system information groups from different control fields of the RRC message or different control bits of the same control field; or, acquiring the second MAC layer indication information corresponding to different system information or different system information groups from different control fields of the MAC message or different control bits of the same control field.

Optionally, the cell selects information related to camping; scheduling information of an information block in which system information is located; access restriction information; a common channel parameter; configuration information of MBSFN subframes; cell reselection related information; reselection information of cells with the same frequency; inter-frequency cell reselection information; inter-system cell reselection information; inter-system cell reselection information; inter-system cell reselection information.

The following description will be made by taking the device 700 as an example of a device that can implement the corresponding operations of the first device in fig. 3 and the alternative implementation.

In particular, processor 710 is configured to call instructions stored in memory 720, and perform the following operations: when a signal is detected for transmitting first indication information, determining that system information needs to be transmitted, wherein the first indication information is used for requesting the system information; the system information is transmitted using the transceiver 730.

Optionally, the processor 710 is configured to call the instructions stored in the memory 720, and further perform the following operations: determining a terminal device configured to transmit the first indication information using the resource; and sending the system information to the terminal equipment.

Optionally, the resource is one or more combinations of a physical channel or a physical resource block or an antenna port or a codeword sequence.

It should be understood that, as mentioned in the embodiments of the present application, the processor 710 may invoke the instruction stored in the memory to obtain the indication information or the system information sent by the other device, and may utilize the transceiver to detect the information and further perform demodulation of the information.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (42)

1. An information transmission method, comprising:

the method comprises the steps that first equipment sends second indication information, wherein the second indication information is used for indicating system information which can be sent by the first equipment, and the corresponding relation between the system information and a physical layer resource block is one-to-one or many-to-one;

the first device obtains first physical layer indication information of a second device through a physical layer resource block corresponding to first system information, wherein the first physical layer indication information is used for indicating the first system information required by the second device;

and the first equipment sends the first system information according to the first physical layer indication information.

2. The method of claim 1, wherein the first device transmits the first system information according to the first physical layer indication information, and wherein the transmitting comprises:

and the first equipment sends the first system information in a broadcasting or multicasting or unicasting mode according to the first physical layer indication information.

3. The method according to claim 1 or 2,

the first device is a terminal device, and the second device is a terminal device; or the like, or, alternatively,

the first device is a network device, and the second device is a terminal device.

4. The method of claim 1, wherein the first device sends the second indication information, comprising:

the first device broadcasts the second indication information; or

And the first equipment sends the second indication information to the second equipment through special signaling.

5. The method of claim 4, wherein the first device broadcasts the second indication information, comprising:

and the first equipment broadcasts the second indication information, wherein the second indication information is second physical layer indication information or second RRC layer indication information.

6. The method of claim 4 or 5, wherein the first device broadcasts the second indication information, comprising:

the first device sends different system information or second physical layer indication information corresponding to different system information groups through different physical layer channels, different physical layer resource blocks or different physical layer sequences; or

And the first equipment carries second RRC layer indication information corresponding to different system information or system information groups through different control domains of RRC messages or different bits of the same control domain.

7. The method according to any one of claims 1 to 6, further comprising:

the first device determining second system information, the second system information being system information related to the first system information;

and the first equipment sends the second system information.

8. The method of claim 7, wherein the first device determines second system information, comprising:

determining other system information belonging to the same system information group as the first system information as the second system information; and/or the presence of a gas in the gas,

determining other system information utilized by a service utilizing the first system information as the second system information.

9. The method according to any one of claims 1 to 8, wherein the system information comprises at least one of the following information:

cell selection information related to camping; scheduling information of an information block in which system information is located; access restriction information; a common channel parameter; the configuration information of the multicast single frequency network MBSFN subframe; cell reselection related information; reselection information of cells with the same frequency; inter-frequency cell reselection information; inter-system cell reselection information.

10. An information transmission method, comprising:

when a first device detects a signal on a physical layer resource block used for sending first physical layer indication information, determining that system information needs to be sent based on the physical layer resource block in which the signal is detected, wherein the first physical layer indication information is used for requesting the system information needed; the corresponding relation between the system information and the physical layer resource blocks is one-to-one or many-to-one;

the first device transmits the system information.

11. The method of claim 10, wherein the first device transmits the system information, comprising:

determining a terminal device configured to transmit the first physical layer indication information using the physical layer resource block;

and sending the system information to the terminal equipment.

12. An information transmission method, characterized in that the method comprises:

the method comprises the steps that second indication information of first equipment is obtained by second equipment, the second indication information is used for indicating system information which can be sent by the first equipment, and the corresponding relation between the system information and a physical layer resource block is one-to-one or many-to-one;

the second device sends first physical layer indication information to the first device through a physical layer resource block corresponding to first system information, wherein the first physical layer indication information is used for indicating first system information required by the second device;

the second device acquires the first system information of the first device.

13. The method of claim 12, wherein the second device obtaining the first system information sent by the first device comprises:

and the second equipment acquires the first system information sent by the first equipment in a broadcasting or multicasting or unicasting mode.

14. The method according to claim 12 or 13, wherein the first device is a terminal device and the second device is a terminal device; or the like, or, alternatively,

the first equipment is network equipment, and the second equipment is terminal equipment.

15. The method according to any one of claims 12 to 14,

the sending the first physical layer indication information to the first device includes:

and the second equipment sends the first physical layer indication information to the first equipment according to the second indication information, wherein the first system information belongs to system information which can be sent by the first equipment.

16. The method of claim 15, wherein the obtaining, by the second device, the second indication information sent by the first device comprises:

and the second equipment acquires the second physical layer indication information or the second RRC layer indication information sent by the first equipment.

17. The method of claim 16, wherein the obtaining, by the second device, second physical layer indication information or second RRC layer indication information sent by the first device comprises:

the second device obtains the second physical layer indication information corresponding to different system information or different system information groups from different physical layer channels, or different physical layer resource blocks, or different physical layer sequences; or

And the second device acquires the second RRC layer indication information corresponding to different system information or different system information groups from different control fields of RRC messages or different control bits of the same control field.

18. The method according to any one of claims 12 to 17, further comprising:

and the second equipment receives second system information sent by the first equipment, wherein the second system information is system information related to the first system information.

19. The method according to any one of claims 12 to 18, wherein the system information comprises at least one of the following information:

cell selection information related to camping; scheduling information of an information block where system information is located; access restriction information; a common channel parameter; the configuration information of the multicast single frequency network MBSFN subframe; cell reselection related information; reselection information of cells with the same frequency; inter-frequency cell reselection information; inter-system cell reselection information.

20. An information transmission apparatus, characterized by comprising a processing unit and a transmitting unit; wherein the content of the first and second substances,

the sending unit is used for: sending second indication information, wherein the second indication information is used for indicating system information which can be sent by equipment, and the corresponding relation between the system information and a physical layer resource block is one-to-one or many-to-one;

the processing unit is configured to: acquiring first physical layer indication information of second equipment through a physical layer resource block corresponding to the first system information, wherein the first physical layer indication information is used for indicating the first system information required by the second equipment;

the sending unit is further configured to: and sending the first system information according to the first physical layer indication information.

21. The apparatus of claim 20, wherein the sending unit is further configured to:

and sending the first system information in a broadcasting or multicasting or unicasting mode according to the first physical layer indication information.

22. The apparatus according to claim 20 or 21,

the device is a terminal device, and the second device is a terminal device; or the like, or, alternatively,

the device is a network device, and the second device is a terminal device.

23. The apparatus of claim 20, wherein the sending unit is further configured to:

broadcasting the second indication information; or

And sending the second indication information to the second equipment through special signaling.

24. The apparatus of claim 23, wherein the sending unit is further configured to:

and broadcasting the second indication information, wherein the second indication information is second physical layer indication information or second RRC layer indication information.

25. The apparatus of claim 23 or 24, the sending unit further configured to:

sending different system information or second physical layer indication information corresponding to different system information groups through different physical layer channels, different physical layer resource blocks or different physical layer sequences; or

And carrying second RRC layer indication information corresponding to different system information or system information groups through different control domains of the RRC message or different bits of the same control domain.

26. The apparatus of any of claims 20-25, wherein the processing unit is further configured to: determining second system information, the second system information being system information related to the first system information;

the sending unit is further configured to: and sending the second system information.

27. The device of claim 26, wherein the processing unit is further configured to:

determining other system information belonging to the same system information group as the first system information as the second system information; and/or the presence of a gas in the gas,

determining other system information utilized by a service utilizing the first system information as the second system information.

28. An information transmission apparatus, comprising a processing unit and a transmitting unit, wherein,

the processing unit is configured to: when a signal is detected on a physical layer resource block used for sending first physical layer indication information, determining that system information needs to be sent based on the physical layer resource block in which the signal is detected, wherein the first physical layer indication information is used for requesting the needed system information; the corresponding relation between the system information and the physical layer resource blocks is one-to-one or many-to-one;

the sending unit is used for: and sending the system information.

29. The device of claim 28, wherein the processing unit is further configured to:

determining a terminal device configured to transmit the first physical layer indication information using the physical layer resource block;

the sending unit is further configured to:

and sending the system information to the terminal equipment.

30. An information transmission apparatus, characterized in that the apparatus comprises a sending unit and a processing unit; wherein the content of the first and second substances,

the processing unit is configured to: acquiring second indication information of first equipment, wherein the second indication information is used for indicating system information which can be sent by the first equipment, and the corresponding relation between the system information and a physical layer resource block is one-to-one or many-to-one;

the sending unit is used for: sending first physical layer indication information to the first device through a physical layer resource block corresponding to first system information, wherein the first physical layer indication information is used for indicating the first system information required by the device;

the processing unit is configured to: acquiring the first system information of the first device.

31. The device of claim 30, wherein the processing unit is further configured to:

and acquiring the first system information sent by the first equipment in a broadcasting or multicasting or unicasting mode.

32. The device of claim 30 or 31, wherein the first device is a terminal device, and the device is a terminal device; or the like, or, alternatively,

the first equipment is network equipment, and the equipment is terminal equipment.

33. The apparatus of any of claims 30 to 32, wherein the processing unit is further configured to:

and sending the first physical layer indication information to the first equipment according to the second indication information, wherein the first system information belongs to system information which can be sent by the first equipment.

34. The device of claim 33, wherein the processing unit is further configured to:

and acquiring second physical layer indication information or second RRC layer indication information sent by the first equipment.

35. The device of claim 34, wherein the processing unit is further configured to:

acquiring different system information or the second physical layer indication information corresponding to different system information groups from different physical layer channels, or different physical layer resource blocks, or different physical layer sequences; or

And acquiring the second RRC layer indication information corresponding to different system information or different system information groups from different control fields of the RRC message or different control bits of the same control field.

36. The apparatus of any of claims 30 to 35, wherein the processing unit is further configured to:

and acquiring second system information sent by the first equipment, wherein the second system information is system information related to the first system information.

37. A computer-readable storage medium having stored thereon instructions that, when executed by a processor, cause the processor to perform the method of any one of claims 1-9.

38. A computer-readable storage medium having instructions stored thereon, which when executed by a processor, cause the processor to perform the method of any one of claims 10-11.

39. A computer-readable storage medium having stored thereon instructions that, when executed by a processor, cause the processor to perform the method of any one of claims 12-19.

40. An information transmission apparatus comprising:

a processor;

a memory having stored thereon instructions executable by a processor;

the method of any of claims 1-9 when executed by the processor on the memory.

41. An information transmission apparatus comprising:

a processor;

a memory having stored thereon instructions executable by a processor;

the method of any of claims 10-11 when executed by the processor on the memory.

42. An information transmission apparatus comprising:

a processor;

a memory having stored thereon instructions executable by a processor;

the method of any of claims 12-19 when executed by the processor on the memory.