CN111512671B

CN111512671B - Wireless communication method and apparatus

Info

Publication number: CN111512671B
Application number: CN201880084130.4A
Authority: CN
Inventors: 杨宁
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-05-10
Filing date: 2018-05-10
Publication date: 2022-05-17
Anticipated expiration: 2038-05-10
Also published as: TW201947964A; CN111512671A; WO2019213912A1

Abstract

The embodiment of the application provides a wireless communication method and equipment, and provides a transmission mode of an SIB in a 5G system. The method comprises the following steps: the network equipment broadcasts a first system information message through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block not requested on demand; wherein the first system information block and the second system information block have the same transmission period.

Description

Wireless communication method and apparatus

Technical Field

The present application relates to the field of communications, and more particularly, to a wireless communication method and apparatus.

Background

In a fifth generation (5G) communication System, Minimum System Information (SI) (Minimum SI) may be divided into two parts, i.e., a Master Information Block (MIB) and a System Information Block (SIB). The MIB may be carried in a Physical Broadcast Channel (PBCH) for transmission, and the SIB may be carried in a Physical Downlink Shared Channel (PDSCH) for transmission.

Since the SIB may be divided into multiple SIBs and may be increased continuously, different SIBs may have different properties and periods and sizes, and therefore, how to implement transmission of the SIB in the 5G system has not been determined at present.

Disclosure of Invention

The embodiment of the application provides a wireless communication method and equipment, and provides a transmission mode of an SIB in a 5G system.

In a first aspect, a wireless communication method is provided, including:

the network equipment broadcasts a first system information message through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block not requested on demand; wherein the first system information block and the second system information block have the same transmission period.

Therefore, in the embodiment of the present application, the network device broadcasts a first system information message through the PDSCH, where the first system information message includes a first SIB requested on demand and a second SIB not requested on demand; wherein, the transmission period of the first SIB is the same as that of the second SIB, thereby saving the overhead of system information messages.

With reference to the first aspect, in a possible implementation manner of the first aspect, before the network device broadcasts the first system information message through a physical downlink shared channel, the method further includes:

and the network equipment receives a request message sent by a terminal, wherein the request message is used for requesting the first system information block.

With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the method further includes:

the network equipment broadcasts a second system information message through a physical downlink shared channel, wherein the second system information message comprises a third system information block which is not requested according to needs, and the sending period of the third system information block is the same as that of the second system information block.

With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the second system information block and the third system information block are configured to be sent in the same system information message.

determining that the first system information block and the second system information block need to be carried in the same system information message and that the second system information block and the third system information block need to be carried in different system information messages based on at least one of:

a transmission priority of the first system information block, the second system information block, and the third system information block;

the size of available system resources;

the size of the system information message.

With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, before the network device broadcasts the first system information message through a physical downlink shared channel, the method further includes:

and the network equipment determines that the sending periods of the first system information block and the second system information block are the same, wherein the network equipment does not receive a request message which is sent by a terminal and used for requesting the first system information block.

stopping sending the first system information block and the second system information block in the same system information message.

With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the stopping sending the first system information block and the second system information block in the same system information message includes:

stopping transmitting the first system information block and the second system information block in the same system information message when it is determined that broadcast capacity needs to be saved.

receiving a request message sent by a terminal, wherein the request message is used for requesting the first system information block;

broadcasting the first system information block based on the request message.

With reference to the first aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the first aspect, the broadcasting the first system information message includes:

and carrying the first system information block and the second system information block in the same system information message for sending.

and carrying the first system information block and the second system information block in different system information messages for sending.

In a second aspect, a wireless communication method is provided, including:

the network equipment broadcasts a first system information message through a physical downlink shared channel;

the network equipment broadcasts a second system information message which is not the first system information message through a physical downlink shared channel;

the first system information message comprises a first system information block requested on demand, the second system information message comprises a second system information block not requested on demand, and the sending period of the first system information block is the same as that of the second system information block.

Therefore, in the embodiment of the application, the SIBs requested on demand and the SIBs not requested on demand with the same period are separately transmitted, so that the transmission of unnecessary SIBs requested on demand can be reduced.

With reference to the second aspect, in a possible implementation manner of the second aspect, the method further includes:

determining that the first system information block and the second system information block need to be carried in different system information messages based on at least one of:

a priority of the first system information block and the second information block;

the size of available system resources;

the size of the system information message.

With reference to the second aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the second aspect, before the network device broadcasts the first system information message through a physical downlink shared channel, the method further includes:

and receiving a request message sent by a terminal, wherein the request message is used for requesting the first system information block.

With reference to the second aspect or any one of the foregoing possible implementations, in another possible implementation of the second aspect, a frequency at which the network device sends the system information message is less than a specific value.

In a third aspect, a wireless communication method is provided, including:

a terminal acquires a first system information message broadcast by network equipment through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block not requested on demand; wherein the first system information block and the second system information block have the same transmission period.

With reference to the third aspect, in a possible implementation manner of the third aspect, before the terminal acquires the first system information message broadcast by the network device through the physical downlink shared channel, the method further includes:

and the terminal sends a request message to the network equipment, wherein the request message is used for requesting the first system information block.

With reference to the third aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the third aspect, the method further includes:

the terminal receives a second system information message broadcast by the network equipment through a physical downlink shared channel, wherein the second system information message comprises a third system information block which is not requested on demand, and the sending period of the third system information block is the same as that of the second system information block.

With reference to the third aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the third aspect, the second system information block and the third system information block are configured to be sent in the same system information message.

With reference to the third aspect or any one of the foregoing possible implementations, in another possible implementation of the third aspect, the first system information message is sent by the network device when it is determined that the sending periods of the first system information block and the second system information block are the same, where the terminal does not send a request message for requesting the first system information block.

the terminal determines that the network equipment stops sending the first system information block and the second system information block in the same system information message;

when the first system information block is determined to be needed, the terminal sends a request message to the network equipment, wherein the request message is used for requesting the first system information block;

and the terminal receives the broadcasted first system information message.

In a fourth aspect, a wireless communication method is provided, including:

a terminal receives a first system information message broadcast by a network device through a physical downlink shared channel;

the terminal receives a second system information message which is not the first system information message and is broadcast by the network equipment through a physical downlink shared channel;

With reference to the fourth aspect, in a possible implementation manner of the fourth aspect, before the terminal receives the first system information message broadcast by the network device through the physical downlink shared channel, the method further includes:

With reference to the fourth aspect or any one of the foregoing possible implementation manners, in another possible implementation manner of the fourth aspect, a frequency at which the network device sends the system information message is less than a specific value.

In a fifth aspect, a network device is provided for performing the method of the first or second aspect or implementations thereof.

In particular, the network device comprises functional modules for performing the methods of the first or second aspect or implementations thereof.

In a sixth aspect, a terminal is provided for performing the method of the third or fourth aspect or implementations thereof.

In particular, the terminal comprises functional modules for performing the methods of the third or fourth aspect or implementations thereof.

In a seventh aspect, a network device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory to execute the method of the first or second aspect or each implementation mode thereof.

In an eighth aspect, a terminal is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the third or fourth aspect or each implementation manner thereof.

In a ninth aspect, there is provided a chip for implementing the method in any one of the first to fourth aspects or implementations thereof.

Specifically, the chip includes: a processor, configured to call and run a computer program from the memory, so that the device on which the chip is installed executes the method in any one of the first to fourth aspects or the implementation manners thereof.

A tenth aspect provides a computer-readable storage medium for storing a computer program for causing a computer to execute the method of any one of the first to fourth aspects or implementations thereof.

In an eleventh aspect, there is provided a computer program product comprising computer program instructions to cause a computer to perform the method of any one of the first to fourth aspects or implementations thereof.

In a twelfth aspect, there is provided a computer program which, when run on a computer, causes the computer to perform the method of any one of the first to fourth aspects or implementations thereof.

In a thirteenth aspect, there is provided a communication system including a network device and a terminal; wherein the content of the first and second substances,

the network device is to: broadcasting a first system information message through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block not requested on demand; wherein the transmission periods of the first system information block and the second system information block are the same;

the terminal is used for: and acquiring the first system information message broadcasted by the network equipment through the physical downlink shared channel.

Specifically, the network device is configured to perform the method in the first aspect or each implementation manner thereof, and the terminal is configured to perform the method in the third aspect or each implementation manner thereof.

In a fourteenth aspect, a communication system is provided, which includes a network device and a terminal; wherein the content of the first and second substances,

the network device is to: broadcasting a first system information message through a physical downlink shared channel; broadcasting a second system information message which is not the first system information message through a physical downlink shared channel; the first system information message comprises a first system information block requested on demand, the second system information message comprises a second system information block not requested on demand, and the sending period of the first system information block is the same as that of the second system information block;

the terminal is used for: receiving the first system information message broadcasted by the network equipment through the physical downlink shared channel, and receiving the second system information message broadcasted by the network equipment through the physical downlink shared channel.

Specifically, the network device is configured to execute the method in the second aspect or each implementation manner thereof, and the terminal is configured to execute the method in the fourth aspect or each implementation manner thereof.

Drawings

Fig. 1 is a schematic diagram of a wireless communication system implemented in accordance with the present application.

Fig. 2 is a schematic flow chart of a wireless communication method according to an embodiment of the application.

Fig. 3 is a schematic diagram of a transmission manner of SIBs according to an embodiment of the present application.

Fig. 4 is a schematic flow chart of a wireless communication method according to an embodiment of the application.

Fig. 5 is a schematic diagram of a transmission manner of SIBs according to an embodiment of the present application.

Fig. 6 is a schematic diagram of a transmission manner of SIBs according to an embodiment of the present application.

Fig. 7 is a schematic block diagram of a network device according to an embodiment of the present application.

Fig. 8 is a schematic block diagram of a terminal according to an embodiment of the present application.

Fig. 9 is a schematic block diagram of a communication device according to an embodiment of the present application.

Fig. 10 is a schematic block diagram of a chip according to an embodiment of the application.

Fig. 11 is a schematic block diagram of a communication system according to an embodiment of the present application.

Detailed Description

Technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. 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 application.

The technical scheme of the embodiment of the application can be applied to various communication systems, for example: a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a Long Term Evolution (Long Term Evolution, LTE) System, a Frequency Division Duplex (FDD) System, a Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS), a Worldwide Interoperability for Microwave communication (WiMAX) System, or a New Radio Network (NR) System, which may also be referred to as a New Radio Network (NR) System.

Fig. 1 illustrates a wireless communication system 100 to which an embodiment of the present application is applied. The wireless communication system 100 may include a network device 110. Network device 100 may be a device that communicates with a terminal device. Network device 100 may provide communication coverage for a particular geographic area and may communicate with terminal devices (e.g., UEs) located within the coverage area. Optionally, the Network device 100 may be a Base Transceiver Station (BTS) in a GSM system or a CDMA system, a Base Station (NodeB, NB) in a WCDMA system, an evolved Node B (eNB or eNodeB) in an LTE system, or a wireless controller in a Cloud Radio Access Network (CRAN), or a Network device in a relay Station, an Access point, a vehicle-mounted device, a wearable device, a Network-side device in a 5G Network, or a Network device in a Public Land Mobile Network (PLMN) for future evolution, or the like.

The wireless communication system 100 also includes at least one terminal device 120 located within the coverage area of the network device 110. The terminal device 120 may be mobile or stationary. Alternatively, terminal Equipment 120 may refer to an access terminal, User Equipment (UE), subscriber unit, subscriber station, mobile station, remote terminal, mobile device, User terminal, wireless communication device, User agent, or User Equipment. An access terminal may be a cellular telephone, a cordless telephone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device having Wireless communication capabilities, a computing device or other processing device connected to a Wireless modem, a vehicle mounted device, a wearable device, a terminal device in a 5G network, or a terminal device in a future evolved PLMN, etc.

Optionally, a Device to Device (D2D) communication may be performed between the terminal devices 120.

Alternatively, the 5G system or network may also be referred to as a New Radio (NR) system or network.

Fig. 1 exemplarily shows one network device and two terminal devices, and optionally, the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device, which is not limited in this embodiment of the present application.

Optionally, the wireless communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like, which is not limited in this embodiment.

It should be understood that the terms "system" and "network" are often used interchangeably herein. The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

In order to facilitate a clearer understanding of the present application, System Information (SI) mentioned in the embodiments of the present application will be described below.

Optionally, in the embodiment of the present application, the SIB may be divided into Remaining Minimum System Information (RMSI) and Other System Information (OSI).

Optionally, in the embodiment of the present application, the SIB may include SIB1, SIB2, SIB3, SIB4, SIB5, SIB6, SIB7, SIB8, and SIB 9.

The SIB1 may include parameters for whether the terminal may access a cell and scheduling information of other system information blocks, such as how the SIB and system information message (SI message) are mapped. The SIB1 may also further include radio resource configuration information commonly required by terminals within a cell.

The SIB2 may include cell reselection information applicable to intra-frequency, inter-frequency, and cross Radio Access Technology (RAT), as well as information for intra-frequency cell reselection independent of neighboring cells.

The SIB3 may include co-frequency reselection information related to neighboring cells, and may specifically include cell-specific reselection parameters and blacklisted (blanked) cells.

The SIB4 may include inter-frequency cell reselection information, as well as inter-frequency neighbor cell related parameter information.

The SIB5 may include cross-RAT cell reselection information, as well as RAT-specific (E-UTRA) neighbor cell-related parameter information, such as Evolved Universal Terrestrial Radio Access (Evolved UMTS Terrestrial Radio Access).

SIB6, SIB7, SIB8 may include information related to Earthquake and Tsunami Warning Systems (ETWS) and Commercial Mobile Alert Systems (CMAS).

The SIB9 includes information related to Global Positioning System (GPS) and Universal Time Coordinated (UTC).

It is understood that the SIB may be other SIBs than the SIB1-9 described above.

Optionally, in the embodiment of the present application, the RMSI may include SIB1, and the OSI may include SIB 2-9.

Optionally, in this embodiment of the present application, the OSI may be further divided into on-demand SIBs (also referred to as on-demand SIBs) and non-on-demand SIBs (also referred to as non-on-demand SIBs).

The SIB requested on demand may be understood as the SIB requested by the terminal may be requested to be sent by the network device when the SIB is needed by the terminal, and the SIB not requested on demand may be understood as the SIB which is not requested by the terminal to the network device and may be actively broadcast by the network device to the terminal.

Optionally, the on-demand requested SIBs may include at least one of the SIBs 2-9 described above, and the non-on-demand requested SIBs may include at least one of the SIBs 2-9 described above.

Among them, the reason for introducing the on-demand requested SIB and the non-on-demand requested SIB is that more resources are required as more SIBs are required as the service develops.

Optionally, in this embodiment of the present application, the minimum granularity of the SIB requested by the terminal on demand may be a System Information (SI) message.

Fig. 2 is a schematic flow chart diagram of a wireless communication method 200 according to an embodiment of the present application. The method 200 may alternatively be applied to the system shown in fig. 1, but is not limited thereto. As shown in fig. 2, the method 200 includes at least some of the following.

In 210, the network device broadcasts a first system information message over the PDSCH, the first system information message including first SIBs requested on-demand and second SIBs not requested on-demand; wherein, the transmission period of the first SIB is the same as that of the second SIB.

In 220, the terminal acquires the first system information message broadcast by the network device through the PDSCH.

Specifically, when the transmission period of a first SIB requested on demand is the same as the transmission period of a second SIB requested on non-demand, the first SIB and the second SIB may be carried in the same system information message, where the system information message may include one or more SIBs requested on demand and one or more SIBs not requested on demand.

For example, as shown in fig. 3, SIBa, SIBb, and SIBc of the same transmission period may be put in the same SI message 1, and SIBd, SIBe, and SIBf of the same transmission period may be put in the same SI message 2, wherein the SIB represented by the block with padding is the SIB requested on demand and the unfilled SIB not requested on demand.

Optionally, the number of SIBs and/or which specific SIB is carried in the first system information message may be determined according to the number of bits that the first system information message may carry, the priority of each SIB, and the size of the resource that can be occupied.

Optionally, in this embodiment of the present application, before the terminal acquires the first system information message broadcast by the network device through the PDSCH, the terminal sends a request message to the network device, where the request message is used to request the first SIB. The network equipment receives a request message sent by a terminal, and broadcasts the first system information message through the PDSCH based on the request message.

Specifically, when the terminal needs the first SIB, the first SIB may be requested from the network device, and after receiving the request message, the network device may determine that a transmission period of the first SIB is the same as transmission periods of other non-on-demand requested SIBs to be transmitted, and transmit the first SIB together with other non-on-demand requested SIBs of the same period.

In other words, the network device maps certain system information blocks into a certain system information message that has been broadcast periodically only after the terminal has requested these system information blocks. Thereby saving the system message amount and reducing unnecessary system broadcast information blocks.

Optionally, in this embodiment of the present application, the network device broadcasts a second system information message through the PDSCH, where the second system information message includes a third SIB which is not requested on demand, and a transmission period of the third SIB is the same as a transmission period of the second SIB. The terminal receives a second system information message broadcast by the network device through the PDSCH, the second system information message including a third SIB which is not requested on demand.

Specifically, when the transmission periods of the multiple SIBs that are not requested on demand are the same, the multiple SIBs may be classified into different system information message transmissions. So that the terminal can obtain the SIB requested non-on-demand in the same period from different system information messages.

Optionally, in this embodiment of the present application, the second SIB and the third SIB are configured to be sent in the same system information message.

That is, the second SIB and the third SIB with the same transmission period may be configured in the same system information message, but since the network device receives the request message of the first SIB requested by the terminal on demand, the first SIB and the second SIB may be put into the same system information message and transmitted, and the third SIB may be put into another system information message and transmitted.

Optionally, in this embodiment of the present application, the network device may determine that the first SIB and the second SIB need to be carried in the same system information message based on at least one of the following:

the transmission priority of the first SIB and the second SIB;

the size of available system resources;

the size of the system information message.

In one implementation, the first SIB and the second SIB may be placed in the same system information message if their transmission priorities are the same.

In another implementation, the first SIB and the second SIB may be placed in the same system information message if there are more resources currently available to send the first system information message.

In another implementation, if the current first system information message may carry the first SIB and the second SIB, the first SIB and the second SIB may be placed in the same system information message.

It should be understood that the above three implementations may be used in combination, and for brevity, are not described in detail herein.

Optionally, in this embodiment of the present application, the network device may determine that the first SIB and the second SIB need to be carried in the same system information message, and carry the second SIB and the third SIB in different system information messages, based on at least one of the following:

the transmission priorities of the first SIB, the second SIB and the third SIB;

the size of available system resources;

size of system information message.

In one implementation, when the transmission priority of the first SIB and the second SIB are the same and the transmission priority of the third SIB is lower, the first SIB and the second SIB may be carried in the same system information message and the third SIB may be carried in another system information message.

In another implementation, if the resources currently available for transmitting the first system information message are sufficient to carry the first SIB and the second SIB, but no more third SIBs can be carried, the first SIB and the second SIB may be carried in the same system information message and the third SIB may be carried in another system information message.

In another implementation, if the size of the current first system information message is such that the first system information message is sufficient to carry the first SIB and the second SIB, but no more third SIB can be carried, then the first SIB and the second SIB can be carried in the same system information message and the third SIB can be carried in another system information message.

Optionally, in this embodiment, when the mapping relationship of the SIB in the system information message is changed, an SIB1(RMSI) may be sent to indicate a new mapping relationship between the SIB and the system information message.

That is, the SIBs may be affected for remapping due to size limitations of the system information message or system resource limitations, and the terminal may need to re-acquire the SIB1 and other system information messages.

Optionally, in this embodiment of the present application, before the network device broadcasts the first system information message through the PDSCH, the network device determines that the transmission periods of the first SIB and the second SIB are the same, where the network device does not receive a request message sent by the terminal to request the first SIB.

That is, the network device does not need to receive a request message for requesting a SIB from the terminal, and when determining that the transmission period of the SIB is the same as that of the non-on-demand SIB, the network device may transmit the SIB and the non-on-demand SIB having the same transmission period in the same system information message.

Optionally, in this embodiment of the present application, in the system information scheduling information list, information of these on-demand SIBs is indicated, and the terminal may be understood as "on-demand system information that does not need to be requested".

Thus, to save the number of system information messages, the on-demand SIBs can be mapped into the same SI message with the same period of non-on-demand SIBs.

In this case, the network device may also stop actively transmitting the first SIB and the second SIB in the same system information message.

Specifically, when it is determined that the broadcast capacity needs to be saved, the first SIB and the second SIB are stopped from being transmitted in the same system information message. The first SIB is further broadcast to the terminal only after receiving a request for the first SIB by the terminal device.

Optionally, in this embodiment of the present application, the terminal determines that the network device stops sending the first SIB and the second SIB in the same system information message; when determining that the first SIB is needed, the terminal transmits a request message to the network device for requesting the first SIB.

Specifically, when the terminal learns that a certain on-demand requested system information block stops being transmitted simultaneously with other non-on-demand requested SIBs, the SIB may be requested from the network device.

Alternatively, in the embodiment of the present application, the terminal needs to be able to distinguish the system information block requested on demand that has been broadcast together with the system information block requested on demand (and thus is not triggered by the system information request of the terminal), and when the base station stops broadcasting the system information block requested on demand in order to save the broadcasting capacity, the system information request can be timely initiated.

Further, if the terminal can recognize that the system information block requested on demand is missing, the system information block requested on demand can be preferentially requested and acquired because other broadcast system information may not be changed.

Further, if the network device receives a request for the first SIB by the terminal, the first SIB may be transmitted in the same system information message as the second SIB is carried. So that the terminal can receive the first SIB and the second SIB in the same system information.

Of course, the first SIB and the second SIB may be carried in different system information messages. Thus, the terminal may receive the first SIB and the second SIB in different system information messages.

It should be understood that various implementations of the embodiments of the present application may be used in combination, for example, for a plurality of on-demand requested SIBs, some SIBs (e.g., the SIB with the lower priority) may transmit the SIB in the same system information message as the non-on-demand requested SIB when requested by the terminal, and other SIBs (e.g., the SIB with the higher priority) may transmit the SIB in the same system information message as the on-demand requested SIB even if the request message for the SIB is not received by the network device.

Fig. 4 is a schematic flow chart diagram of a wireless communication method 300 according to an embodiment of the application. The method 300 may alternatively be applied to the system shown in fig. 1, but is not limited thereto. As shown in fig. 4, the method 300 includes at least some of the following.

In 310, the network device broadcasts a first system information message over the PDSCH. Wherein the first system information message includes a first SIB requested on demand. Optionally, the first system information message may include a plurality of SIBs that are requested on demand and have the same transmission period.

In 320, the terminal receives a first system information message broadcast by the network device over the PDSCH.

In 330, the network device broadcasts a second system information message, which is not the first system information message, through the PDSCH. The second system information message includes a second SIB which is not requested on demand, and the transmission period of the first SIB is the same as that of the second SIB. Optionally, the second system information message may include a plurality of non-on-demand-requested SIBs having the same transmission period.

In 340, the terminal receives a second system information message broadcast by the network device through the PDSCH.

For example, as shown in FIG. 5, SIBa, SIBb and SIBc of the same transmission cycle are placed in different SI messages, wherein SIBa, SIBb requested on demand are placed in SI message 1 and SIBc not requested on demand is placed in another SI message 2. And the SIBd, SIBe and SIBf of the same transmission period are put into different SI messages, wherein the non-on-demand-requested SIBe and SIBf are put into SI message 4 and the on-demand-requested SIBd is put into another SI message 3. Wherein the SIBs represented by the filled blocks are on-demand SIBs and the unfilled non-on-demand SIBs.

Optionally, in this embodiment, the network device may determine that the first SIB and the second SIB need to be carried in different system information messages based on at least one of the following:

the priority of the first SIB and the second SIB; the size of available system resources; the size of the system information message.

In one implementation, when the transmission priorities of the first SIB and the second SIB are not the same, the first SIB and the second SIB may be carried in different system information messages.

In another implementation, when a single system information message occupies insufficient resources to carry the first SIB and the second SIB, the first SIB and the second SIB may be carried in different system information messages.

In another implementation, when the size of a single system information message is such that the system information message carries both the first SIB and the second SIB, then the first SIB and the second SIB may be carried in different system information messages.

Optionally, in this embodiment of the present application, before the terminal receives the first system information message broadcast by the network device through the PDSCH, the terminal sends a request message to the network device, where the request message is used to request the first SIB. The network device may broadcast the first SIB to the terminal based on the request message.

Optionally, in an implementation of the present application, a frequency of sending the system information message by the network device is less than a specific value.

That is, when the frequency of the network device sending the system information message is low, the first SIB and the second SIB with the same period are separately sent in different system information messages, and when the frequency of the network device sending the system information message is high, the SIB with the same period and requested on demand and the SIB with a non-request can be sent in the same system information message, so as to reduce the scheduling complexity.

For a more clear understanding of the present application, reference will now be made in detail to fig. 6. Specifically, SIBh, SIBi, and SIBk are SIBs with the same transmission cycle, where SIBk is an SIB requested on demand and the terminal has requested transmission of SIBk, and SIBh and SIBi may be non-SIB requested on demand. The transmission modes of SIBh, SIBi, and SIBk may be as shown in fig. 6.

Case 1: SIBh, SIBi, and SIBk may be sent in the same SI message 1.

Specifically, if the capacity of the SI message is sufficient to accommodate SIBk in addition to SIBh and SIBi, SIBh, SIBi, and SIBk may be put in the same SI message for transmission.

Case 2, SIBh and SIBi may be sent in the same SI message 2 and SIBk may be sent in another SI message 3.

Specifically, if the capacity of the SI message is not sufficient to accommodate SIBk in addition to SIBh and SIBi, SIBk may be transmitted using a new SI.

Case 3, SIBh and SIBk may be sent in the same SI message 4 and SIBi may be sent in another SI message 5.

Specifically, if the capacity of the SI message is not sufficient to accommodate SIBk in addition to SIBh and SIBi, SIBk may be transmitted using a new SI. Taking priority to the SIBk requirement, SIBh and SIBk can be sent together and SIBi remapped to another SI message for transmission.

Therefore, the embodiment of the application provides the transmission modes of the SIB requested on demand and the SIB not requested on demand in the same period.

Fig. 7 is a schematic block diagram of a network device 400 according to an embodiment of the present application. The network device 400 includes a processing unit 410 and a transceiving unit 420; wherein the content of the first and second substances,

the processing unit 410 is configured to: generating a first system information message, wherein the first system information message comprises a first system information block requested on demand and a second system information block not requested on demand; wherein the transmission periods of the first system information block and the second system information block are the same;

the transceiving unit 420 is configured to: and broadcasting the first system information message through a physical downlink shared channel.

Optionally, in an implementation of the present application, the transceiver unit 420 is further configured to:

Optionally, in this application, the processing unit 410 is further configured to:

generating a second system information message, wherein the second system information message comprises a third system information block which is not requested on demand, and the sending period of the third system information block is the same as that of the second system information block;

the transceiving unit 420 is further configured to: and broadcasting the second system information message through a physical downlink shared channel.

Optionally, in an implementation of the present application, the second system information block and the third system information block are configured to be sent in the same system information message.

the size of the available system resources;

the size of the system information message.

determining that the transmission periods of the first system information block and the second system information block are the same, wherein the transceiver unit 420 does not receive a request message for requesting the first system information block, which is sent by a terminal.

Optionally, in this application, the transceiver unit 420 is further configured to:

broadcasting the first system information block based on the request message.

It should be understood that the network device 400 may implement the corresponding operations implemented by the network device in the method 200, and therefore, for brevity, the description is not repeated herein.

Optionally, in this embodiment of the present application, the processing unit 410 is configured to: generating a first system information message;

the transceiving unit 420 is configured to: broadcasting a first system information message through a physical downlink shared channel;

the processing unit 410 is further configured to: generating a second system information message that is not the first system information message;

the transceiving unit 420 is further configured to: broadcasting the second system information message through a physical downlink shared channel;

the size of available system resources;

the size of the system information message.

It should be understood that the network device 400 can implement the corresponding operations implemented by the network device in the method 300, and therefore, for brevity, the description is not repeated herein.

Fig. 8 is a schematic block diagram of a terminal 500 according to an embodiment of the present application. The terminal 500 includes a transceiving unit 510 and a processing unit 520;

the transceiver unit 510 is configured to: acquiring a first system information message broadcast by network equipment through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block not requested on demand; wherein the transmission periods of the first system information block and the second system information block are the same;

the processing unit 520 is configured to: and acquiring the first system information block and the second system information block from the first system information message.

Optionally, in this application, the transceiver unit 510 is further configured to:

and sending a request message to the network equipment, wherein the request message is used for requesting the first system information block.

receiving a second system information message broadcast by the network device through a physical downlink shared channel, wherein the second system information message comprises a third system information block which is not requested on demand, and the sending period of the third system information block is the same as that of the second system information block;

the processing unit 520 is further configured to: and obtaining the third system information block from the second system information message.

Optionally, in an implementation of the present application, the first system information message is sent by the network device when it is determined that the sending periods of the first system information block and the second system information block are the same, where the terminal does not send a request message for requesting the first system information block.

Optionally, in this application, the processing unit 520 is further configured to:

determining that the network device stops sending the first system information block and the second system information block in the same system information message;

the transceiving unit 510 is further configured to: upon determining that the first system information block is needed, sending a request message to the network device requesting the first system information block, and,

receiving the first system information message that is broadcast.

It should be understood that the terminal 500 may implement the corresponding operations implemented by the terminal in the method 200, and for brevity, the description is omitted here.

Optionally, in an implementation of the present application, the transceiver unit 510 is configured to: receiving a first system information message broadcasted by a network device through a physical downlink shared channel, and receiving a second system information message broadcasted by the network device through the physical downlink shared channel and not the first system information message; the first system information message comprises a first system information block requested on demand, the second system information message comprises a second system information block not requested on demand, and the sending period of the first system information block is the same as that of the second system information block;

the processing unit 520 is configured to: obtaining the first system information block from the first system information message and obtaining the second system information block from the second system information message.

It should be understood that the terminal 500 can implement the corresponding operations implemented by the terminal in the method 300, and therefore, for brevity, the detailed description is omitted here.

Fig. 9 is a schematic block diagram of a communication device 600 according to an embodiment of the present application. The communication device 600 shown in fig. 9 includes a processor 610, and the processor 610 may call and run a computer program from a memory to implement the method in the embodiment of the present application.

Optionally, as shown in fig. 9, the communication device 600 may further include a memory 620. From the memory 620, the processor 610 may call and run a computer program to implement the method in the embodiment of the present application.

The memory 620 may be a separate device from the processor 610, or may be integrated into the processor 610.

Optionally, as shown in fig. 9, the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may transmit information or data to the other devices or receive information or data transmitted by the other devices.

The transceiver 630 may include a transmitter and a receiver, among others. The transceiver 630 may further include one or more antennas.

Optionally, the communication device 600 is a terminal, and may implement a corresponding process implemented by the terminal in each method in the embodiment of the present application, which is not described herein again for brevity.

Optionally, the communication device 600 is a network device, and may implement a corresponding process implemented by the network device in each method in the embodiment of the present application, which is not described herein again for brevity.

Fig. 10 is a schematic block diagram of a chip 700 according to an embodiment of the present application. The chip 700 shown in fig. 10 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method in the embodiment of the present application.

Optionally, as shown in fig. 10, the chip 700 may further include a memory 720. From the memory 720, the processor 710 can call and run a computer program to implement the method in the embodiment of the present application.

The memory 720 may be a separate device from the processor 710, or may be integrated into the processor 710.

Optionally, the chip 700 may further include an input interface 730. The processor 710 may control the input interface 730 to communicate with other devices or chips, and in particular, may obtain information or data transmitted by other devices or chips.

Optionally, the chip 700 may further include an output interface 740. The processor 710 may control the output interface 740 to communicate with other devices or chips, and in particular, may output information or data to the other devices or chips.

Optionally, the chip may be applied to the terminal in the embodiment of the present application, and the chip may implement the corresponding process implemented by the terminal in each method in the embodiment of the present application, and for brevity, details are not described here again.

Optionally, the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method in the embodiment of the present application, and for brevity, details are not described here again.

It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip, etc.

Fig. 11 is a schematic block diagram of a communication system 800 according to an embodiment of the present application. As depicted in fig. 11, the communication system 800 includes a network device 810 and a terminal 820.

Optionally, the network device 810 is configured to: broadcasting a first system information message through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block not requested on demand; wherein the transmission periods of the first system information block and the second system information block are the same; the terminal 820 is configured to: and acquiring the first system information message broadcast by the network equipment through the physical downlink shared channel.

The network device 810 may be configured to implement corresponding functions implemented by the network device in the method 200, and the components of the network device 810 may be as shown in the network device 400 in fig. 7 or as shown in the communication device 600 in fig. 9, which is not described herein again for brevity.

The terminal 820 may be configured to implement corresponding functions implemented by the terminal in the method 200, and the composition of the terminal 820 may be as shown in the terminal 500 in fig. 8 or as shown in the communication device 600 in fig. 9, which is not described herein again for brevity.

Optionally, the network device 810 is configured to: broadcasting a first system information message through a physical downlink shared channel; broadcasting a second system information message which is not the first system information message through a physical downlink shared channel; the first system information message comprises a first system information block requested on demand, the second system information message comprises a second system information block not requested on demand, and the sending period of the first system information block is the same as that of the second system information block; the terminal 820 is configured to: receiving the first system information message broadcasted by the network equipment through the physical downlink shared channel, and receiving the second system information message broadcasted by the network equipment through the physical downlink shared channel.

The network device 810 may be configured to implement corresponding functions implemented by the network device in the method 300, and the components of the network device 810 may be as shown in the network device 400 in fig. 7 or as shown in the communication device 600 in fig. 9, which is not described herein again for brevity.

The terminal 820 may be configured to implement corresponding functions implemented by the terminal in the method 300, and the composition of the terminal 820 may be as shown in the terminal 500 in fig. 8 or as shown in the communication device 600 in fig. 9, which is not described herein again for brevity.

The aforementioned processors may be general purpose processors, Digital Signal Processors (DSPs), Field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), or other programmable logic devices, transistor logic devices, discrete hardware components, etc. The general purpose processor mentioned above may be a microprocessor or any conventional processor etc.

The above-mentioned memories may be either volatile or nonvolatile memories, or may include both volatile and nonvolatile memories. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM).

It should be understood that the above memories are exemplary but not limiting illustrations, for example, the memories in the embodiments of the present application may also be Static Random Access Memory (SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (enhanced SDRAM, ESDRAM), Synchronous Link DRAM (SLDRAM), Direct Rambus RAM (DR RAM), and the like. That is, the memory in the embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.

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 implementation. 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 application.

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 application 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 application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including 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 application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

The above description is only for the specific embodiments of the present application, but the scope of the present application 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 application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of wireless communication, comprising:

the method comprises the steps that network equipment receives a request message sent by a terminal, wherein the request message is used for requesting a first system information block;

when the frequency of sending the system information message by the network equipment is not less than a specific value, the network equipment broadcasts a first system information message through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block not requested on demand; wherein the transmission periods of the first system information block and the second system information block are the same; and

the network equipment broadcasts a second system information message through a physical downlink shared channel, the second system information message comprises a third system information block which is not requested according to the requirement, the sending period of the third system information block is the same as that of the second system information block,

the method further comprises the following steps:

determining that the first system information block and the second system information block need to be carried in the same system information message and the second system information block and the third system information block need to be carried in different system information messages based on the first system information block and the second system information block having the same transmission priority and the third system information block having a lower transmission priority than the first system information block and the second system information block,

and when the frequency of sending the system information messages by the network equipment is less than the specific value, the first system information block and the second system information block with the same sending period are separately sent in different system information messages.

2. The method of claim 1, further comprising:

the size of available system resources;

the size of the system information message.

3. The method of claim 1, wherein before the network device broadcasts the first system information message via the physical downlink shared channel, the method further comprises:

4. The method of claim 3, further comprising:

5. The method of claim 4, wherein stopping sending the first system information block and the second system information block in the same system information message comprises:

6. The method according to claim 4 or 5, characterized in that the method further comprises:

broadcasting the first system information block based on the request message.

7. The method of claim 6, wherein the broadcasting the first system information message comprises:

8. The method of claim 6, wherein the broadcasting the first system information message comprises:

9. A method of wireless communication, comprising:

when the frequency of the system information message sent by the network equipment is less than a specific value, the network equipment broadcasts a second system information message which is not the first system information message through a physical downlink shared channel;

wherein the first system information message comprises a first system information block requested on demand, the second system information message comprises a second system information block not requested on demand, the first system information block and the second system information block have the same transmission period,

the method further comprises the following steps:

determining that the first system information block and the second system information block need to be carried in different system information messages based on the transmission priorities of the first system information block and the second system information block being different,

and when the frequency of the network equipment for sending the system information message is not less than the specific value, the first system information block which is requested on demand and has the same sending period and the second system information block which is not requested on demand are placed in the same system information message for sending.

10. The method of claim 9, further comprising:

the size of available system resources;

the size of the system information message.

11. The method according to claim 9 or 10, wherein before the network device broadcasts the first system information message via the physical downlink shared channel, the method further comprises:

12. A method of wireless communication, comprising:

a terminal sends a request message to network equipment, wherein the request message is used for requesting a first system information block;

the terminal acquires a first system information message broadcasted by the network equipment when the frequency of sending the system information message is not less than a specific value through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block requested on non-demand; wherein the first system information block and the second system information block have a same transmission period, and the first system information block and the second system information block having the same transmission period are separately transmitted in different system information messages when the frequency at which the network device transmits system information messages is less than the specific value; and

the terminal receives a second system information message broadcast by the network equipment through a physical downlink shared channel, wherein the second system information message comprises a third system information block which is not requested on demand, the sending period of the third system information block is the same as that of the second system information block,

wherein the first system information block and the second system information block are carried in the same system information message, and the second system information block and the third system information block are carried in different system information messages, which is determined based on the same transmission priority of the first system information block and the second system information block, and the lower transmission priority of the third system information block than the first system information block and the second system information block.

13. The method of claim 12, wherein the first system information message is sent by the network device when it is determined that the first system information block and the second system information block have the same transmission period, and wherein the terminal does not send a request message for requesting the first system information block.

14. The method of claim 13, further comprising:

and the terminal receives the broadcasted first system information message.

15. A method of wireless communication, comprising:

the terminal receives a second system information message which is not the first system information message and is broadcast by the network equipment through a physical downlink shared channel when the frequency of sending the system information message is less than a specific value;

the first system information message comprises a first system information block requested on demand, the second system information message comprises a second system information block requested not on demand, the sending period of the first system information block is the same as that of the second system information block, and the first system information block and the second system information block are carried in different system information messages and are determined based on the fact that the sending priority of the first system information block is different from that of the second system information block;

and the first system information block of the on-demand request and the second system information block of the non-on-demand request with the same transmission period are sent in the same system information message when the frequency of sending the system information message by the network equipment is not less than the specific value.

16. The method of claim 15, wherein before the terminal receives the first system information message broadcast by the network device through the physical downlink shared channel, the method further comprises:

17. A network device comprising a processing unit and a transceiving unit; wherein the content of the first and second substances,

the transceiver unit is configured to: receiving a request message sent by a terminal, wherein the request message is used for requesting a first system information block;

the processing unit is configured to: generating a first system information message when the frequency of sending the system information message by the network equipment is not less than a specific value, wherein the first system information message comprises a first system information block requested on demand and second system information not requested on demand; wherein the transmission periods of the first system information block and the second system information block are the same;

the transceiver unit is further configured to: broadcasting the first system information message through a physical downlink shared channel;

the processing unit is further to: generating a second system information message, wherein the second system information message comprises a third system information block which is not requested on demand, and the sending period of the third system information block is the same as that of the second system information block;

the transceiver unit is further configured to: broadcasting the second system information message through a physical downlink shared channel;

wherein the processing unit is further to:

determining that the first system information block and the second system information block need to be carried in the same system information message and the second system information block and the third system information block need to be carried in different system information messages based on the transmission priorities of the first system information block and the second system information block and the transmission priority of the third system information block being lower than the first system information block and the second system information block,

the transceiver unit is further configured to: and when the frequency of sending the system information messages by the network equipment is less than the specific value, the first system information block and the second system information block with the same sending period are separately sent in different system information messages.

18. The network device of claim 17, wherein the processing unit is further configured to:

the size of available system resources;

the size of the system information message.

19. The network device of claim 17, wherein the processing unit is further configured to:

and determining that the transmission periods of the first system information block and the second system information block are the same, wherein the transceiver unit does not receive a request message for requesting the first system information block, which is sent by a terminal.

20. The network device of claim 19, wherein the transceiver unit is further configured to:

21. The network device of claim 20, wherein the transceiver unit is further configured to:

22. The network device according to claim 20 or 21, wherein the transceiving unit is further configured to:

broadcasting the first system information block based on the request message.

23. The network device of claim 22, wherein the transceiver unit is further configured to:

24. The network device of claim 22, wherein the transceiver unit is further configured to:

25. A network device comprising a processing unit and a transceiver unit; wherein the content of the first and second substances,

the processing unit is configured to: generating a first system information message;

the transceiver unit is configured to: broadcasting a first system information message through a physical downlink shared channel;

the processing unit is further to: when the frequency of the system information message sent by the network equipment is less than a specific value, generating a second system information message which is not the first system information message;

the processing unit is further to:

the transceiver unit is further configured to: and when the frequency of the network equipment for sending the system information message is not less than the specific value, the first system information block which is requested on demand and has the same sending period and the second system information block which is not requested on demand are placed in the same system information message for sending.

26. The network device of claim 25, wherein the processing unit is further configured to:

the size of available system resources;

the size of the system information message.

27. The network device according to claim 25 or 26, wherein the transceiving unit is further configured to:

28. A terminal is characterized by comprising a transceiving unit and a processing unit;

the transceiver unit is configured to: sending a request message to a network device, wherein the request message is used for requesting a first system information block; acquiring a first system information message broadcast by the network equipment when the frequency of sending the system information message is not less than a specific value through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block requested not on demand; wherein the first system information block and the second system information block have a same transmission period, and the first system information block and the second system information block having the same transmission period are separately transmitted in different system information messages when the frequency at which the network device transmits system information messages is less than the specific value;

the processing unit is configured to: acquiring the first system information block and the second system information block from the first system information message;

the transceiver unit is further configured to: receiving a second system information message broadcast by the network device through a physical downlink shared channel, wherein the second system information message comprises a third system information block which is not requested on demand, and the sending period of the third system information block is the same as that of the second system information block;

the processing unit is further to: obtaining the third system information block from the second system information message;

29. The terminal of claim 28, wherein the first system information message is sent by the network device when it is determined that the first system information block and the second system information block have the same transmission period, and wherein the terminal does not send a request message for requesting the first system information block.

30. The terminal of claim 29, wherein the processing unit is further configured to:

the transceiver unit is further configured to: upon determining that the first system information block is needed, sending a request message to the network device requesting the first system information block, and,

receiving the first system information message that is broadcast.

31. A terminal is characterized by comprising a transceiving unit and a processing unit; wherein the content of the first and second substances,

the transceiver unit is configured to: receiving a first system information message broadcasted by a network device through a physical downlink shared channel, and receiving a second system information message which is not the first system information message and is broadcasted by the network device through the physical downlink shared channel when the frequency of sending the system information message is less than a specific value; the first system information message comprises a first system information block requested on demand, the second system information message comprises a second system information block not requested on demand, and the sending period of the first system information block is the same as that of the second system information block;

the processing unit is configured to: obtaining the first system information block from the first system information message and the second system information block from the second system information message,

wherein the first system information block and the second system information block are carried in different system information messages and are determined based on different sending priorities of the first system information block and the second system information block;

32. The terminal of claim 31, wherein the transceiver unit is further configured to:

33. A communication system comprising a network device and a terminal; wherein the content of the first and second substances,

the network device is to: when the frequency of the system information message sent by the network equipment is not less than a specific value, broadcasting a first system information message and a second system information message through a physical downlink shared channel, wherein the first system information message comprises a first system information block requested on demand and a second system information block requested not on demand, and the second system information message comprises a third system information block requested not on demand; the transmission periods of the first system information block, the second system information block and the third system information block are the same;

the terminal is used for: acquiring the first system information message and the second system information message broadcasted by the network equipment through the physical downlink shared channel,

wherein the first system information block and the second system information block are carried in the same system information message, and the second system information block and the third system information block are carried in different system information messages, is determined based on the transmission priorities of the first system information block and the second system information block being the same, and the transmission priority of the third system information block being lower than the transmission priorities of the first system information block and the second system information block,

34. A communication system comprising a network device and a terminal; wherein the content of the first and second substances,

the network device is to: when the frequency of the system information message sent by the network equipment is less than a specific value, broadcasting a first system information message through a physical downlink shared channel; broadcasting a second system information message which is not the first system information message through a physical downlink shared channel; the first system information message comprises a first system information block requested on demand, the second system information message comprises a second system information block not requested on demand, and the sending period of the first system information block is the same as that of the second system information block;

the terminal is used for: receiving the first system information message broadcasted by a network device through the physical downlink shared channel, and receiving the second system information message broadcasted by the network device through the physical downlink shared channel,

wherein the first system information block and the second system information block are carried in different system information messages and are determined based on the transmission priority of the first system information block and the second system information block being different,

35. A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 1 to 16.

36. A communication device comprising a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 1 to 16.

37. A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 1 to 16.