CN109803276B

CN109803276B - System information transmission method, base station, terminal and system

Info

Publication number: CN109803276B
Application number: CN201711148741.4A
Authority: CN
Inventors: 贺海港; 郝鹏; 毕峰; 刘星
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2017-11-17
Filing date: 2017-11-17
Publication date: 2022-03-08
Anticipated expiration: 2037-11-17
Also published as: CN109803276A; WO2019096061A1

Abstract

The invention discloses a system information transmission method, a base station, a terminal and a system. The method comprises the following steps: according to a preset rule, other system information OSI is configured in corresponding information windows, at least two information windows corresponding to the OSI are overlapped in a time domain, and the OSI comprises information except a master information block MIB and minimum system information RMSI in downlink system information; and sending minimum system information (RMSI) signaling to the terminal, wherein the RMSI signaling comprises information of information windows corresponding to the OSIs, so that the terminal can acquire the OSIs through the range indicated by the information windows. The overlapping of at least two information windows corresponding to the OSI on the time domain is realized, thereby avoiding occupying time slots for providing data for other beam directions and further improving the communication quality.

Description

System information transmission method, base station, terminal and system

Technical Field

The present invention relates to communication technologies, and in particular, to a method, a base station, a terminal, and a system for transmitting system information.

Background

In new generation wireless communication systems, higher carrier frequencies will be used for communication than those used in fourth generation (4G) communication systems, such as 28GHz, 45GHz, 70GHz, and even higher carrier frequencies. In order to ensure the coverage performance of high-frequency communication, a beamforming method can be adopted to improve the antenna gain.

Generally, in the process of initially accessing a network, a terminal needs to perform preliminary measurement and identification on a base station to determine a preferred uplink/downlink transceiving beam, that is, when the terminal initially accesses a network covered by the base station, the base station may send downlink System Information to the terminal, where the downlink System Information includes a Master Information Block (MIB) and a System Information Block (SIB), where the SIB may include: the remaining minimum System Information RMSI and Other System Information (Other System Information, abbreviated as Other SI message) and the Other SI functions similarly to the SI message in LTE.

If the Other SI message windows in the new generation wireless communication system use the same mechanism as LTE, i.e. each Other SI message configures one OSI window (SI-window), the OSI windows corresponding to different Other SI messages are not overlapped, i.e. the transmission between different Other SI messages is time-division. However, when the number of beams simultaneously transmitted by the base station is small, if the above time division method is used to transmit the Other SI message, it is impossible to provide Other more suitable beam directions for the control or data information of the terminals in Other beam directions, thereby affecting the communication of Other terminals.

Disclosure of Invention

In order to solve the above technical problem, the present invention provides a method, a base station, a terminal and a system for transmitting system information, so as to solve the problem that other more suitable beam directions cannot be provided for control or data information of terminals in other beam directions.

In order to achieve the object of the present invention, the present invention provides a method for transmitting system information,

according to a preset rule, other system information OSI is configured in corresponding information windows, at least two information windows corresponding to the OSI are overlapped in a time domain, and the OSI comprises information except a master information block MIB and minimum system information RMSI in downlink system information;

and sending minimum system information (RMSI) signaling to the terminal, wherein the RMSI signaling comprises information of information windows corresponding to the OSIs, so that the terminal can acquire the OSIs through the range indicated by the information windows.

Further, after the OSI configuration of other system information is performed in the corresponding information window according to the preset rule, the method further includes:

sending control information to the terminal so that the terminal obtains scheduling information for bearing a Physical Downlink Shared Channel (PDSCH) channel of the OSI through the control information, wherein the control information is borne through a Physical Downlink Control Channel (PDCCH);

and transmitting the OSI to a terminal, wherein the OSI is carried by the PDSCH.

Further, the sending control information to the terminal so that the terminal obtains scheduling information for carrying the PDSCH channel of the OSI through the control information includes:

the PDCCHs carrying the control information of the different OSIs are on the same time slot.

Further, before sending the OSI to the terminal, the method further includes:

and at least two OSIs are loaded on the same PDSCH channel after being coded.

Further, the sending control information to the terminal so that the terminal obtains scheduling information for carrying the PDSCH channel of the OSI through the control information further includes:

and sending Downlink Control Information (DCI) to a terminal, wherein the DCI is carried on the PDCCH, and the DCI is used for indicating the OSI information carried on the PDSCH in the information window.

Further, before sending the OSI to the terminal, the method further includes:

according to the OSI loaded by the PDSCH, the RNTI for scrambling the CRC loaded by the PDCCH is determined;

and carrying out RNTI scrambling on the CRC carried by the PDCCH so that the terminal determines the OSI corresponding to the RNTI according to the RNTI scrambling.

Further, the sending the OSI to the terminal further includes:

and transmitting OSI indication information to a terminal, wherein the OSI indication information is carried on a PDSCH (physical downlink shared channel) channel, and the OSI indication information is used for indicating OSI information carried on the PDSCH channel in the information window.

Further, the sending the control information to the terminal further includes:

sending Downlink Control Information (DCI) to a terminal, wherein the DCI is carried through a PDCCH channel, and the DCI further comprises: for indicating the number of PDCCHs in the information window carrying each of the OSI control information.

Further, the DCI further includes: and the system is used for indicating whether the PDCCH carrying the OSI control information exists on the frequencies before and after the current PDCCH channel.

Further, the DCI further includes: for indicating whether a slot following the current slot has a PDCCH carrying the OSI control information.

Further, at least one of the information windows is disposed in a quasi-co-located QCL window for transmission using a set of beams, different QCL windows containing the same information window.

The invention also provides a system information transmission method, which comprises the following steps:

acquiring minimum system information RMSI signaling sent by a base station, wherein the RMSI signaling comprises information of information windows corresponding to other OSI (open system interconnection), at least two information windows corresponding to OSI are overlapped in a time domain, and OSI comprises information except a master information block MIB and the minimum system information RMSI in downlink system information;

and acquiring the OSI in the range indicated by the information window according to the RMSI signaling.

Further, the acquiring the OSI within the range indicated by the information window according to the RMSI signaling includes:

according to the information window, control information sent by a base station is obtained in the range indicated by the information window, the control information is loaded on a Physical Downlink Control Channel (PDCCH), and the control information comprises scheduling information for loading a Physical Downlink Shared Channel (PDSCH) of the OSI;

and obtaining the OSI according to the control information.

Further, before obtaining the OSI according to the control information, the method further includes:

determining that the PDCCHs of the control information of different OSIs are on a same slot.

and determining that at least two OSIs are loaded on the same PDSCH channel after being coded.

Further, the acquiring the OSI within the range indicated by the information window according to the RMSI signaling further includes:

and acquiring Downlink Control Information (DCI) sent by a base station, wherein the DCI is carried on the PDCCH, and the DCI is used for indicating the OSI information carried on the PDSCH in the information window.

acquiring RNTI information which comprises information for scrambling CRC carried by the PDCCH;

and determining the OSI carried by the PDSCH according to the RNTI information.

and acquiring OSI indication information sent by the base station, wherein the OSI indication information is carried on a PDSCH (physical downlink shared channel) channel, and the OSI indication information is used for indicating OSI information carried on the PDSCH channel in the information window.

acquiring Downlink Control Information (DCI) sent by a base station, wherein the DCI is carried by a Physical Downlink Control Channel (PDCCH), and the DCI further comprises: for indicating the number of PDCCHs in the information window carrying each of the OSI control information.

The present invention also provides a base station, comprising:

a configuration module, configured to configure other system information OSI in corresponding information windows according to a preset rule, where at least two information windows corresponding to the OSI have overlap in a time domain, and the OSI includes information in downlink system information except a master information block MIB and minimum system information RMSI;

a sending module, configured to send a minimum system information RMSI signaling to the terminal, where the RMSI signaling includes information of an information window corresponding to each OSI, so that the terminal obtains the OSI through a range indicated by the information window.

Further, the sending module is further configured to send control information to the terminal, so that the terminal obtains scheduling information for bearing the PDSCH channel of the OSI physical downlink shared channel through the control information, where the control information is borne through the PDCCH; transmitting the OSI to a terminal, the OSI being carried over the PDSCH.

Further, the configuration module is further configured to enable the PDCCHs carrying the control information of different OSI to be in the same timeslot.

Further, the configuration module is further configured to carry at least two OSI after coding on the same PDSCH channel.

Further, the sending module is further configured to send downlink control information DCI to a terminal, where the DCI is carried on the PDCCH channel, and the DCI is used to indicate the OSI information carried on the PDSCH channel in the information window.

Further, the configuration module is further configured to determine, according to the OSI carried by the PDSCH, an RNTI for scrambling a CRC carried by a PDCCH; and carrying out RNTI scrambling on the CRC carried by the PDCCH so that the terminal determines the OSI corresponding to the RNTI according to the RNTI scrambling.

Further, the sending module is further configured to send OSI indication information to the terminal, where the OSI indication information is carried on a PDSCH channel of a physical downlink shared channel, and the OSI indication information is used to indicate OSI information carried on the PDSCH channel in the information window.

Further, the sending module is further configured to send DCI to a terminal, where the DCI is carried through a PDCCH channel, and the DCI further includes: for indicating the number of PDCCHs in the information window carrying each of the OSI control information.

The present invention provides a terminal, including:

an obtaining module, configured to obtain a minimum system information RMSI signaling sent by a base station, where the RMSI signaling includes information of information windows corresponding to other OSI system information, at least two information windows corresponding to OSI system information overlap in a time domain, and the OSI system information includes information other than a master information block MIB and the minimum system information RMSI in downlink system information;

and the processing module is used for acquiring the OSI in the range indicated by the information window according to the RMSI signaling.

Further, the method also comprises the following steps: a sending module for sending the data to the receiving module,

the sending module is configured to obtain, according to the information window, control information sent by the base station in a range indicated by the information window, where the control information is carried in a physical downlink control channel PDCCH, and the control information includes scheduling information carrying a PDSCH channel of the OSI physical downlink shared channel;

the obtaining module is further configured to obtain the OSI according to the control information.

Further, the processing module is configured to determine that the PDCCHs of the different OSI's control information are on the same time slot.

Further, the processing module is further configured to determine that at least two OSI channels are carried on the same PDSCH channel after being coded.

Further, the obtaining module is further configured to obtain DCI sent by a base station, where the DCI is carried on the PDCCH channel, and the DCI is used to indicate the OSI information carried on the PDSCH channel in the information window.

Further, the obtaining module is further configured to obtain RNTI information, where the RNTI information includes information for scrambling CRC carried by the PDCCH;

the processing module is further configured to determine the OSI carried by the PDSCH according to the RNTI information.

Further, the obtaining module is further configured to obtain OSI indication information sent by the base station, where the OSI indication information is carried on a PDSCH channel of a physical downlink shared channel, and the OSI indication information is used to indicate OSI information carried on the PDSCH channel in the information window.

Further, the obtaining module is further configured to obtain DCI sent by the base station, where the DCI is carried through a PDCCH channel, and the DCI further includes: for indicating the number of PDCCHs in the information window carrying each of the OSI control information.

The invention provides a system information transmission system, comprising: a base station as described above, and a terminal as described above.

According to the transmission method, the base station, the terminal and the system of the system information, other system information OSI is configured in corresponding information windows according to a preset rule, at least two information windows corresponding to the OSI are overlapped in a time domain, and the OSI comprises information except a master information block MIB and minimum system information RMSI in downlink system information; and sending minimum system information (RMSI) signaling to the terminal, wherein the RMSI signaling comprises information of information windows corresponding to the OSIs, so that the terminal can acquire the OSIs through the range indicated by the information windows. The overlapping of at least two information windows corresponding to the OSI on the time domain is realized, thereby avoiding occupying time slots for providing data for other beam directions and further improving the communication quality.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic flow chart illustrating a method for transmitting system information according to an embodiment of the present invention;

FIG. 2 is a schematic view of an information window of an embodiment of a method for transmitting system information according to the present invention;

FIG. 3 is a schematic view of an information window of a second embodiment of a method for transmitting system information according to the present invention;

fig. 4 is a schematic diagram of an OSI configuration in an information window according to an embodiment of the method for transmitting system information of the present invention;

fig. 5 is a schematic diagram of OSI configuration in an information window according to a second embodiment of the transmission method of system information in the present invention;

fig. 6 is a diagram of OSI configuration in QCL window according to an embodiment of the method for transmitting system information of the present invention;

FIG. 7 is a flowchart illustrating a second embodiment of a method for transmitting system information according to the present invention;

FIG. 8 is a block diagram of a base station according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of an embodiment of a terminal according to the present invention;

fig. 10 is a schematic structural diagram of a terminal according to a second embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The transmission method of the system information provided by the embodiment of the invention can be particularly applied to the process of sending the system information to the terminal by the base station. The method for transmitting system information provided in this embodiment may be performed by a transmission apparatus of system information and a terminal, where the transmission apparatus of system information may be integrated in a base station or separately provided, and the transmission apparatus of system information may be implemented in a software and/or hardware manner. The following describes a method, an apparatus, a terminal and a system for transmitting system information provided in the present embodiment in detail.

Fig. 1 is a schematic flow chart illustrating a method for transmitting system information according to an embodiment of the present invention; FIG. 2 is a schematic view of an information window of an embodiment of a method for transmitting system information according to the present invention; FIG. 3 is a schematic view of an information window of a second embodiment of a method for transmitting system information according to the present invention; as shown in fig. 1, the execution subject of this embodiment may be a transmission apparatus of system information, and the transmission method of system information provided by the present invention includes:

and step 101, configuring other system information OSI in corresponding information windows according to preset rules.

In this embodiment, at least two information windows corresponding to the OSI include information of the downlink system information excluding the master information block MIB and the minimum system information RMSI.

Specifically, the overlapping of at least two information windows corresponding to the OSI in the time domain includes the following two implementation manners:

in a first implementation, there is an overlap in the time domain between two information windows, where the information windows may be referred to as OSI windows. As shown in fig. 2, there is an overlap in the time domain between the two information windows, OSI-Window1 and OSI-Window 2. Specifically, the window length is 4 slot slots or sub-slot mini-slots, and the base station may configure a time domain offset of an adjacent OSI window, for example, offset by 2 slots or mini-slots, so that the base station determines each OSI window according to the length of the OSI window configured by the RMSI and the time domain offset of the adjacent OSI window.

In a second implementation, at least two OSI messages are configured in an information window, as shown in fig. 3, the base station configures one or more OSI windows through RMSI signaling, and for each OSI window, the base station further configures which OSI messages the OSI window contains. For example, OSI-Window1 includes OSI1 and OSI2, i.e., OSI1 and OSI2 have a common OSI Window OSI-Window 1.

And step 102, sending a minimum system information RMSI signaling to the terminal.

In this embodiment, the RMSI signaling includes information of an information window corresponding to each OSI, so that the terminal acquires the OSI through a range indicated by the information window.

In this embodiment, according to a preset rule, other system information OSI is configured in corresponding information windows, at least two information windows corresponding to the OSI have overlap in a time domain, and the OSI includes information in downlink system information except a master information block MIB and minimum system information RMSI; and sending minimum system information (RMSI) signaling to the terminal, wherein the RMSI signaling comprises information of information windows corresponding to the OSIs, so that the terminal can acquire the OSIs through the range indicated by the information windows. The overlapping of at least two information windows corresponding to the OSI on the time domain is realized, thereby avoiding occupying time slots for providing data for other beam directions and further improving the communication quality.

Further, on the basis of the foregoing embodiment, after configuring other system information OSI in the corresponding information window according to the preset rule, the method further includes:

sending Control information to the terminal so that the terminal obtains scheduling information for carrying a Physical Downlink Shared Channel (PDSCH) Channel of the OSI through the Control information, wherein the Control information is carried through a Physical Downlink Control Channel (PDCCH);

Fig. 4 is a schematic diagram of an OSI configuration in an information window according to an embodiment of the method for transmitting system information of the present invention; as shown in fig. 4, on the basis of the foregoing embodiment, the sending control information to the terminal so that the terminal obtains scheduling information for carrying a PDSCH channel of the OSI physical downlink shared channel through the control information includes:

Specifically, the PDCCHs carrying the control information of different OSI are on the same time slot, that is, the PDCCHs carrying the control information of different OSI may be frequency division multiplexed in the same time slot, for example, OSI2 PDCCH and OSI3 PDCCH.

Further, the PDSCHs carrying different OSI's are on the same time slot, i.e., the PDSCHs carrying different OSI's may be frequency division multiplexed in the same time slot, e.g., OSI2 PDSCH and OSI3 PDSCH. Note that only one OSI is carried on one PDSCH channel.

Further, on the basis of the foregoing embodiment, before sending the OSI to the terminal, the method further includes:

and at least two OSIs are loaded on the same PDSCH channel after being coded.

Fig. 5 is a schematic diagram of OSI configuration in an information window according to a second embodiment of the transmission method of system information in the present invention; as shown in fig. 5, the base station puts information bits of OSI2 and OSI3 together, performs operations such as channel coding and rate matching, and resource mapping, and forms a PDSCH channel for simultaneously carrying OSI2 and OSI 3.

Further, on the basis of the foregoing embodiment, the sending control information to the terminal so that the terminal obtains scheduling information for carrying the PDSCH channel of the OSI physical downlink shared channel through the control information further includes:

In fig. 4, the base station configures OSI1, OSI2, OSI3 to have the same OSI window through RMSI information, and transmits OSI-window 1. The base station informs the terminal of which OSI is carried on the PDSCH channel scheduled by the PDCCH through DCI information carried on the PDCCH of OSI as described in fig. 4. For example, in DCI information carried on the OSI PDCCH, 2 bits are used to indicate which OSI is carried on the OSI PDSCH channel corresponding to the OSI PDCCH described in the terminal. For example, if the two bits take the value 00, the OSI PDSCH carries the OSI1 message; if the values of the two bits are 01, the OSI PDSCH carries OSI2 messages; if the two bits take the value of 10, the OSI PDSCH carries the OSI3 message.

In fig. 5, the base station configures OSI1, OSI2, OSI3 with RMSI information having the same OSI window, OSI-window 1. The base station informs the terminal which OSIs are carried on the PDSCH channel scheduled by the PDCCH through DCI information carried by the OSI PDCCH. For example, the base station uses 3 bits of DCI information carried by the OSI PDCCH to indicate which OSI is carried on the terminal OSI PDSCH channel by way of bitmap. When the bitmap value is 001, the OSI PDSCH carries OSI1 information; when the bitmap value is 110, the OSI PDSCH carries OSI2 and OSI3 information;

and the terminal receives the target OSI in the OSI-window corresponding to the target OSI according to the configuration of the base station OSI-window. For example, as shown in fig. 4, the base station configures OSI1, OSI2, OSI3, which are the same as OSI-window1, through RMSI information. For the reception of the target Other SI, the terminal detects the PDCCH of the OSI in the OSI-window range of the target OSI in a blind manner, and the terminal determines which OSI PDCCH is the current PDCCH according to the indication information in the DCI information carried by the PDCCH. More specifically, in DCI information carried by OSI PDCCH, 2 bits are used to indicate to the terminal that DCI information carried by OSI PDCCH informs the terminal which OSI is carried on PDSCH channel scheduled by PDCCH. For example, if the values of the two bits are 00, the PDSCH scheduled by the OSI PDCCH carries OSI1 information; if the value is 01, the OSI PDSCH carries OSI2 information; taking the value of 02, the OSI PDSCH carries OSI3 information.

And the terminal receives the target OSI in the OSI-window corresponding to the target OSI according to the configuration of the base station OSI-window. For example, as shown in fig. 5, the base station configures OSI1, OSI2, OSI3, which are the same as OSI-window1, through RMSI information. For the reception of the target Other SI, the terminal detects the PDCCH of OSI in the OSI-window range of the target OSI, and the terminal determines which one or more OSI PDCCHs the current PDCCH is according to the OSI figure 5 indication information in the DCI information carried by the PDCCH. More specifically, in DCI information carried by the OSI PDCCH, 3 bits are used to indicate which one or more OSI PDCCHs are currently used by the terminal in a bitmap manner. For example, if the value of the three bits is 001, the terminal determines that the PDCCH is a PDCCH of OSI 1; if the value of the three bits is 011, the terminal judges that the PDCCH is a PDCCH of OSI1 and OSI 2; if the value of the three bits is 111, the terminal judges that the PDCCH is a PDCCH of OSI1, OSI2 and OSI 3;

determining Radio Network Temporary Identity (RNTI) for scrambling Cyclic Redundancy Check (CRC) carried by PDCCH according to the OSI carried by the PDSCH;

For example, in fig. 4, the base station configures OSI1, OSI2, OSI3 through RMSI information and has OSI-window1 as same as OSI-window. For different Other SI information, the base station scrambles different RNTIs on the cyclic redundancy check CRC carried by the PDCCH, and informs the terminal which OSI is carried on the PDSCH scheduled by the PDCCH. For example, if the PDSCH scheduled by the OSI PDCCH carries OSI1 information, the base station scrambles cyclic redundancy check CRC information carried by the PDCCH with the radio network temporary identity RNTI sequence 1; if the PDSCH scheduled by the OSI PDCCH carries OSI2 information, the base station scrambles CRC information carried by the PDCCH by using an RNTI sequence 2;

in fig. 5, the base station configures OSI1, OSI2, OSI3, which is OSI-window1, with the RMSI information. For different Other SI information, the base station scrambles CRC carried by PDCCH with different RNTI, and informs the terminal which OSI is carried on PDSCH channel scheduled by PDCCH. For example, if the PDSCH scheduled by the OSI PDCCH carries OSI1 information, the base station scrambles CRC information carried by the PDCCH with RNTI sequence 1; if the PDSCH scheduled by the OSI PDCCH carries OSI2 and OSI3 information, the base station scrambles CRC information carried by the PDCCH by using an RNTI sequence 2;

and the terminal receives the target OSI in the OSI-window corresponding to the target OSI according to the configuration of the base station OSI-window. For example, as shown in fig. 4, the base station configures OSI1, OSI2, OSI3, which are the same as OSI-window1, through RMSI information. For the reception of the target Other SI, the terminal detects the PDCCH of the OSI in the OSI-window range of the target OSI in a blind manner, the terminal descrambles the CRC position of the information carried by the PDCCH by using the RNTI, and the terminal knows which OSI PDCCH the PDCCH is according to the mapping relation between the RNTI sequence and the OSI. More specifically, in the OSI-window1 range, RNTI sequence 1 corresponds to OSI1, RNTI sequence 2 corresponds to OSI2, and RNTI sequence 3 corresponds to OSI 3. And the terminal descrambles by trying different RNTIs and performs CRC check. For example, if the terminal descrambles with RNTI 1 and can pass CRC check, the terminal determines that the current PDCCH is the OSI1 PDCCH. If the terminal descrambles with RNTI2 and can pass CRC check, the terminal determines that the current PDCCH is the OSI2 PDCCH.

And the terminal receives the target OSI in the OSI-window corresponding to the target OSI according to the configuration of the base station OSI-window. For example, as shown in fig. 5, the base station configures OSI1, OSI2, OSI3, which are the same as OSI-window1, through RMSI information. For the reception of the target Other SI, the terminal detects the PDCCH of the OSI in the OSI-window range of the target OSI in a blind manner, the terminal descrambles the CRC position of the information carried by the PDCCH by using the RNTI, and the terminal knows which one or more of the PDCCHs correspond to the OSI according to the mapping relation between the RNTI sequence and the OSI. More specifically, in the range of the OSIOSI-window1, RNTI sequence 1 corresponds to OSI1, and RNTI sequence 2 corresponds to the PDCCHs of OSI2 and OSI 3. And the terminal descrambles by trying different RNTIs and performs CRC check. For example, if the terminal descrambles with RNTI 1 and can pass CRC check, the terminal determines that the current PDCCH is the OSI1 PDCCH. If the terminal descrambles with the RNTI2 and can pass the CRC check, the terminal determines that the current PDCCH is a PDCCH of OSI2 and OSI 3.

Further, on the basis of the foregoing embodiment, the sending the OSI to the terminal further includes:

OSI indication information is transmitted to the terminal.

In this embodiment, the OSI indication information is carried on a PDSCH channel of a physical downlink shared channel, and the OSI indication information is used to indicate OSI information carried on the PDSCH channel in the information window.

Specifically, in fig. 4, the base station configures OSI1, OSI2, and OSI3 through RMSI information, and the OSI-window is the same, i.e., OSI-window 1. The base station informs the terminal of which OSI through information carried on the OSI PDSCH channel in fig. 4. For example, the information carried by the OSI PDSCH includes OSI information and 2-bit Other SI indication information. When the Other SI indication information of the two bits takes a value of 00, the OSI PDSCH carries OSI1 information; when the Other SI indication information of the two bits takes a value of 01, the OSI PDSCH carries OSI2 information; when the value of the two bit Other SI indication information is 10, the OSI PDSCH carries the OSI3 information;

in fig. 5, the base station configures OSI1, OSI2, OSI3, which is OSI-window1, with the RMSI information. The base station indicates OSI through information carried on the OSI PDSCH channel. For example, the information carried by the OSI PDSCH includes OSI information and 3-bit Other SI indication information, and the bit position of the 3-bit Other SI indication information in the information carried by the PDSCH is fixed. And the base station indicates which OSIs are carried on the PDSCH channel scheduled by the PDCCH by the terminal in a bitmap mode. When the bitmap value is 001, the OSI1 information is carried by the OSI PDSCH; when the bitmap value is 110, the OSI PDSCH carries OSI2 and OSI3 information;

and the terminal receives the target OSI PDCCH in the OSI-window corresponding to the target OSI according to the configuration of the base station OSI-window. For example, as shown in fig. 4, the base station configures OSI1, OSI2, OSI3, which are the same as OSI-window1, through RMSI information. For the reception of the target Other SI, the terminal blindly detects the PDCCH of the OSI within the OSI-window range where the target OSI is located, and receives the information carried in the corresponding PDSCH channel according to the scheduling of the PDCCH. The terminal determines which OSI PDSCH the current PDSCH is based on OSI indication information carried in the PDSCH channel. More specifically, in the information carried by the OSI PDSCH, 2 bits are used to indicate which OSI information is carried on the current PDSCH channel of the terminal. For example, if the values of the two bits are 00, the PDSCH carries information of OSI 1; if the values of the two bits are 01, the PDSCH carries information of OSI 2; if the two bits take the value of 10, the PDSCH carries the information of OSI 3;

and the terminal receives the target OSI in the OSI-window corresponding to the target OSI according to the configuration of the base station OSI-window. For example, as shown in fig. 4, the base station configures OSI1, OSI2, OSI3, which are the same as OSI-window1, through RMSI information. For the reception of the target Other SI, the terminal blindly detects the PDCCH of the OSI within the OSI-window range where the target OSI is located, and receives the information carried in the corresponding PDSCH channel according to the scheduling of the PDCCH. The terminal determines which OSI PDSCH the current PDSCH is based on OSI indication information carried in the PDSCH channel. More specifically, in DCI information carried by the OSI PDSCH, 3 bits are used to indicate which one or more OSI PDSCH of the current PDSCH of the terminal in a bitmap manner. For example, if the value of the three bits is 001, the terminal determines that the PDSCH is a PDSCH of OSI 1; if the value of the three bits is 110, the terminal judges the PDSCH as OSI2 and OSI3 PDSCH;

further, on the basis of the foregoing embodiment, the sending control information to the terminal further includes:

Specifically, in fig. 4, the base station configures OSI1, OSI2, and OSI3 through RMSI information, and the OSI-window is the same, i.e., OSI-window 1. The base station indicates the number of OSI PDCCHs on the current slot or mini-slot through information carried on the OSI PDCCH channel in fig. 4. In fig. 4, only the OSI1 PDCCH is transmitted in the slot or mini-slot where the OSI1 PDCCH is located, so that the base station displays an indication that only one OSI PDCCH is currently scheduled in the slot or mini-slot in DCI information carried in the OSI1 PDCCH. In fig. 4, OSI2 PDCCH and OSI3 PDCCH are transmitted on slot or mini-slot where OSI2 PDCCH is located, so the base station indicates that two OSI PDCCHs are scheduled on the current slot or mini-slot displayed in DCI information carried by OSI2 PDCCH and OSI3 PDCCH.

In fig. 5, the base station configures OSI1, OSI2, OSI3, which is OSI-window1, with the RMSI information. The base station indicates the number of OSI PDCCHs on the current slot or mini-slot through information carried on the OSI PDCCH channel. In fig. 5, only the OSI1 PDCCH is transmitted in the slot or mini-slot where the OSI1 PDCCH is located, so that the base station displays an indication that only one OSI PDCCH is currently scheduled in the slot or mini-slot in DCI information carried in the OSI1 PDCCH. In fig. 5, the OSI2 and OSI3 are used for scheduling to be carried on the same PDSCH channel, which is scheduled with the same PDCCH. The slot or mini-slot where the PDCCH is located has only one OSI PDCCH, so that the indication displayed in the DCI information carried in the PDCCH indicates that there is only one OSI PDCCH on the current slot or mini-slot.

And at the terminal side, the terminal performs blind detection on the OSI PDCCH in an OSI window, obtains physical layer signaling information carried on the OSI PDCCH, and reads the physical layer signaling information, thereby obtaining the number of the scheduled OSI PDCCHs on the current slot. And the terminal determines whether to continue to blindly detect the OSI PDCCH on the current slot or not according to the obtained information of the number of OSI PDCCHs on the current slot.

For example, in fig. 4, in DCI information carried by OSI1 PDCCH, the base station displays an indication that only one OSI PDCCH is scheduled on the current slot or mini-slot, and then the terminal determines that it is no longer going on to blindly detect the OSI PDCCH on the current slot. And the base station schedules two OSI PDCCHs on the current slot or mini-slot according to the displayed indication in the DCI information carried by the OSI2 PDCCH, the terminal judges that the two OSI PDCCHs are scheduled on the current slot or mini-slot, and the terminal continues to detect the OSI PDCCH after detecting the PDCCH of OSI 2.

Or, at the terminal side, the terminal performs the blind detection of the OSI PDCCH in the OSI window, obtains the physical layer signaling information carried on the OSI PDCCH, and reads the physical layer signaling information, thereby obtaining the number of the scheduled OSI in the current slot. And the terminal determines whether to continue to blindly detect the OSI PDCCH on the current slot according to or obtained information of the number of OSI PDCCHs on the current slot.

For example, in fig. 5, in DCI information carried by OSI1 PDCCH, the base station displays an indication that only one OSI PDCCH is scheduled on the current slot or mini-slot, and then the terminal determines that it is no longer going on to blindly detect the OSI PDCCH on the current slot. And the base station schedules an OSI PDCCH on the current slot or mini-slot according to the indication displayed in the DCI information carried by the OSI2 PDCCH, the terminal judges that the current slot or mini-slot schedules the OSI PDCCH, and the terminal judges that the terminal does not continue to blindly detect the OSI PDCCH on the current slot after detecting the PDCCHs corresponding to OSI2 and OSI 3.

Preferably, on the basis of the above embodiment, the DCI further includes: and the system is used for indicating whether the PDCCH carrying the OSI control information exists on the frequencies before and after the current PDCCH channel.

Specifically, in this embodiment, the base station indicates whether there is an OSI PDCCH on the frequency in front of the current PDCCH channel on the current slot or mini-slot of the terminal through DCI information carried in the PDCCH channel; meanwhile, the base station indicates whether an OSI PDCCH exists on the current slot or mini slot of the terminal and the frequency behind the current PDCCH through the DCI information carried in the PDCCH;

for example, in fig. 4, the base station configures OSI1, OSI2, OSI3, which are the same OSI-window1, through RMSI information. In the OSI-window, one or more of 0SI1, OSI2, OSI3 may be transmitted on one slot. For example, OSI2 and OSI3 are transmitted in a frequency division multiplexed manner on the same slot. After the terminal detects the OSI PDCCH, in order to enable the terminal to know whether to continuously and blindly detect other OSI PDCCHs on the current slot, the base station indicates the transmission condition of the OSI PDCCH on the current slot or mini-slot through the DCI information carried by the PDCCH channel. More specifically, the base station indicates whether there is an OSI PDCCH on the current slot or mini-slot and the frequency in front of the current PDCCH (or on a lower frequency) of the terminal through DCI information carried in the PDCCH channel; meanwhile, the base station indicates whether there is an OSI PDCCH on the current slot or mini slot of the terminal and on the frequency behind the current PDCCH channel (or on a higher frequency) through DCI information carried in the PDCCH channel. In fig. 4, OSI2 and OSI3 are transmitted on the same slot, and the OSI3 PDCCH precedes (lower frequency) the OSI2 PDCCH. Thus, the base station indicates that there are other OSI's PDCCH ahead (lower frequency) of the terminal OSI2 PDCCH in the 1-bit DCI information carried by the OSI2 PDCCH channel. The base station indicates, via DCI information for the other 1bit carried by the OSI2 PDCCH channel, that there are no other OSI PDCCHs on the back (higher frequency) of the OSI2 PDCCH of the terminal.

And the terminal receives the target OSI in the OSI-window corresponding to the target OSI according to the configuration of the base station OSI-window. For example, as shown in fig. 4, the base station configures OSI1, OSI2, OSI3, which are the same as OSI-window1, through RMSI information. For the reception of the target Other SI, the terminal detects the PDCCH of OSI in the OSI-window range of the target OSI in a blind manner, the terminal judges whether the OSI PDCCH continues to detect the OSI PDCCH in the current time slot or mini-slot or not according to whether the OSI PDCCH exists in the lower frequency and the higher frequency in the DCI information carried by the PDCCH. For example, in fig. 4, on a slot (or mini-slot) where OSI2 and OSI3 are located, the terminal detects an OSI PDCCH channel, and the terminal detects an OSI2 PDCCH and an OSI3 PDCCH in order from low frequency to high frequency. When detecting the OSI2 PDCCH channel, the base station obtains DCI information carried by the PDCCH, and 1bit in the DCI carrier information indicates that there is no OSI PDCCH before (lower frequency) the current PDCCH channel, and another 1bit in the DCI carrier information indicates that there is an OSI PDCCH after (higher frequency) the current PDCCH channel. Thus, the base station decides that it needs to continue blind detection of the OSI PDCCH on higher frequencies. When detecting the OSI2 PDCCH channel, the base station obtains DCI information carried by the PDCCH, and 1bit in the DCI carrying information indicates that there is no OSI PDCCH before (lower frequency) the current PDCCH channel and another 1bit in the DCI carrying information indicates that there is no OSI PDCCH after (higher frequency) the current PDCCH channel. Thus, the base station decides that it does not need to continue blind detection of the OSI PDCCH on higher frequencies.

Further, in the above embodiment, the DCI further includes: for indicating whether a slot following the current slot has a PDCCH carrying the OSI control information.

Specifically, the base station indicates, through DCI information carried in the PDCCH channel, whether the terminal has a PDCCH for scheduling Other SI in a current OSI-window range and on a slot or mini slot behind the current slot or mini slot.

For example, in fig. 4, the base station configures OSI1, OSI2, OSI3, which are the same OSI-window1, through RMSI information. In the OSI-window, one or more of OSI1, OSI2, OSI3 may be transmitted on one slot. For example, OSI2 and OSI3 are transmitted in a frequency division multiplexed manner on the same slot. In order to make the terminal know whether to continue to blindly detect the OSI PDCCH in the slot or mini-slot behind the current slot or mini-slot within the range of OSI-window1 after detecting the OSI PDCCH, the base station displays the transmission condition of the OSI PDCCH in the slot or mini-slot behind the current OSI-window1 through the DCI information carried by the PDCCH channel. More specifically, the base station indicates whether there is a PDCCH of Other SI in the following slot or mini-slot within the current OSI-window1 through DCI information carried in the PDCCH channel. In fig. 4, there is transmission of OSI2 PDCCH and OSI3 PDCCH in the OSI-window1 range on the slot or mini-slot following OSI1 PDCCH. Therefore, the base station indicates the terminal that there are other OSI PDCCHs in the slot or mini-slot behind the OSI1 PDCCH within the range of the current OSI-window1 in 1bit DCI information carried by the OSI1 PDCCH channel. There is no OSI PDCCH in the slot or mini-slot behind the OSI2 PDCCH, so the base station indicates that there is no OSI PDCCH in the slot or mini-slot behind the OSI2 PDCCH within the current OSI-window1 range for the terminal, which is indicated by 1bit of DCI information carried by the OSI2 PDCCH channel. There is no OSI PDCCH in the slot or mini-slot behind the OSI3 PDCCH, so the base station indicates that there is no OSI PDCCH in the slot or mini-slot behind the OSI3 PDCCH within the current OSI-window1 range for the terminal, which is indicated by 1bit of DCI information carried by the OSI3 PDCCH channel.

And the terminal receives the target OSI in the OSI-window corresponding to the target OSI according to the configuration of the base station OSI-window. For example, as shown in fig. 4, the base station configures OSI1, OSI2, OSI3, which are the same as OSI-window1, through RMSI information. For the reception of the target Other SI, the terminal blindly detects the PDCCH of the OSI within the OSI-window range in which the target OSI is located,

and the terminal judges whether the PDCCH of Other SI exists in the following slot or mini-slot in the current OSI-window according to the DCI information carried in the PDCCH channel.

The terminal detects the OSI PDCCH at the slot (or mini-slot) where the OSI1 PDCCH is located, and judges whether the slot (or mini-slot) behind the current slot (or mini-slot) needs to detect the OSI PDCCH or not within the range of the current OSI-window according to 1-bit information in DCI information carried by the OSI PDCCH. For example, when 1-bit information in DCI information carried by an OSI PDCCH channel is 0, the terminal determines that there is no OSI PDCCH in a slot (or mini-slot) following the current slot (or mini-slot) within the current OSI-window range, and thus does not detect the OSI PDCCH any more.

The terminal detects the OSI PDCCH at the slot (or mini-slot) where the OSI1 PDCCH is located, and judges whether the slot (or mini-slot) behind the current slot (or mini-slot) needs to detect the OSI PDCCH or not within the range of the current OSI-window according to 1-bit information in DCI information carried by the OSI PDCCH. For example, when 1-bit information in DCI information carried by an OSI PDCCH channel is 1, the terminal determines that there is an OSI PDCCH in a slot (or mini-slot) behind the current slot (or mini-slot) within the current OSI-window range, and thus the terminal continues to detect the OSI PDCCH in the slot (or mini-slot) behind the current slot. On the slot (or mini-slot) where the OSI2 PDCCH is located, 1-bit information in DCI information carried by the OSI2 PDCCH channel is 0, and the terminal determines that there is no OSI PDCCH in the slot (or mini-slot) behind the current slot (or mini-slot) within the current OSI-window range, so that the terminal does not detect the OSI PDCCH in the slot (or mini-slot) behind the current slot.

Preferably, based on the above embodiment, at least one of the information windows is disposed in a Quasi Co-Location (QCL) window for transmission using a set of beams, and different QCL windows contain the same information window.

Fig. 6 is a diagram of OSI configuration in QCL window according to an embodiment of the method for transmitting system information of the present invention; as shown in fig. 6, the base station configures a plurality of quasi-co-located QCL windows, including a plurality of OSI-windows within one QCL window. The configuration of the OSI windows in the QCL-windows is the same for different QCL windows, i.e., the number of OSI-windows contained in different QCL windows is the same, and for any xth QCL window and yth QCL window, the Nth OSI-window in the xth QCL window contains the same OSI as the Nth OSI-window in the yth QCL window. The channel characteristics are different for different QCL windows. For example, the different QCL windows use different beams, as shown in fig. 6, the first QCL window uses a first set of beams, e.g., the first set of beams includes beam 1 and beam 2; the second QCL window uses a second set of beams, e.g., the second set of beams includes beam 3 and beam 4;

fig. 6 is a specific example of the present embodiment, and in fig. 6, the base station configures 2 QCL windows, and the OSI-windows in the two QCL windows are configured in the same manner. More specifically, within each QCL window, the base station configures 2 Other SI windows. The OSI contained for the same OSI-window in both QCL windows is the same. The same OSI-window contains the same OSI, whether in QCL window1 or QCL window 2. It should be noted that, the same OSI window corresponding to different QCL windows contains the same OSI, which means that the same OSI may appear in the same OSI window, and the actual transmitted OSI may be different. Similarly, the OSI included in the OSI window refers to the OSI that may occur in the OSI window, and in actual transmission, some or even all of the OSI is allowed to be not transmitted in the OSI window.

For a terminal to receive a given OSI message, the terminal receives the OSI within the QCL window in which the target beam direction is located. And, the terminal receives the OSI within an OSI window corresponding to the OSI. For example, as shown in fig. 6, QCL window1 includes beam 1 and beam 2, and QCL window2 includes beam 3 and beam 4. OSI-window1 includes OSI1 and OSI2, OSI-window2 includes OSI3 and OSI 4.

Then, if the terminal knows that the signal strength on beam 2 is strong, the terminal needs to receive OSI2, and the terminal detects the PDCCH of OSI2 at QCL window1 corresponding to beam 2. And, the terminal knows that OSI2 corresponds to OSI-window1, the terminal detects PDCCH of OSI2 within OSI window 1. According to these two features, the UE determines to detect the PDCCH of OSI2 on OSI window1 within QCL window 1.

FIG. 7 is a flowchart illustrating a second embodiment of a method for transmitting system information according to the present invention; as shown in fig. 7, an execution subject in the embodiment of the present invention is a terminal, and a method for transmitting system information in the embodiment of the present invention includes:

step 701, acquiring a minimum system information RMSI signaling sent by a base station.

In this embodiment, the RMSI signaling includes information of information windows corresponding to other OSI system information, at least two information windows corresponding to OSI system information overlap in a time domain, and the OSI system information includes information except for a master information block MIB and minimum system information RMSI.

Step 702, according to the RMSI signaling, acquiring the OSI within the range indicated by the information window.

In this embodiment, minimum system information RMSI signaling sent by a base station is acquired, where the RMSI signaling includes information of information windows corresponding to other OSI (open system interconnection), at least two information windows corresponding to the OSI have overlap in a time domain, and the OSI includes information in downlink system information except for a master information block MIB and the minimum system information RMSI; and acquiring the OSI in the range indicated by the information window according to the RMSI signaling. The overlapping of at least two information windows corresponding to the OSI on the time domain is realized, thereby avoiding occupying time slots for providing data for other beam directions and further improving the communication quality.

Further, on the basis of the foregoing embodiment, the acquiring the OSI within the range indicated by the information window according to the RMSI signaling includes:

and obtaining the OSI according to the control information.

Further, on the basis of the foregoing embodiment, before obtaining the OSI according to the control information, the method further includes:

Further, on the basis of the foregoing embodiment, the acquiring, according to the RMSI signaling, the OSI within the range indicated by the information window further includes:

and determining the OSI carried by the PDSCH according to the RNTI information.

and acquiring OSI indication information sent by the base station, wherein the OSI indication information is carried on a PDSCH (physical downlink shared channel) channel, and the OSI indication information is used for indicating OSI information carried on the PDSCH channel in the information window. The specific implementation manner is as described in the above base station side, and is not described herein again.

acquiring Downlink Control Information (DCI) sent by a base station, wherein the DCI is carried by a Physical Downlink Control Channel (PDCCH), and the DCI further comprises: for indicating the number of PDCCHs in the information window carrying each of the OSI control information. The specific implementation manner is as described in the above base station side, and is not described herein again.

Further, on the basis of the foregoing embodiment, the DCI further includes: and the system is used for indicating whether the PDCCH carrying the OSI control information exists on the frequencies before and after the current PDCCH channel.

Further, on the basis of the foregoing embodiment, the DCI further includes: for indicating whether a slot following the current slot has a PDCCH carrying the OSI control information.

Further, on the basis of the above embodiment, at least one of the information windows is disposed in a quasi co-located QCL window for transmission using a set of beams, and different QCL windows contain the same information window.

The specific implementation manner is as described in the above base station side, and is not described herein again.

FIG. 8 is a block diagram of a base station according to an embodiment of the present invention; as shown in fig. 8, a base station in the embodiment of the present invention includes: a configuration module 81 and a sending module 82. Wherein,

a configuration module 81, configured to configure other system information OSI in corresponding information windows according to a preset rule, where at least two information windows corresponding to the OSI have overlap in a time domain, where the OSI includes information in downlink system information except for a master information block MIB and minimum system information RMSI;

a sending module 82, configured to send a minimum system information RMSI signaling to the terminal, where the RMSI signaling includes information of an information window corresponding to each OSI, so that the terminal acquires the OSI through a range indicated by the information window.

On the basis of the foregoing embodiment, the sending module 82 is further configured to send control information to the terminal, so that the terminal obtains scheduling information for carrying the PDSCH channel of the OSI physical downlink shared channel through the control information, where the control information is carried through the PDCCH; transmitting the OSI to a terminal, the OSI being carried over the PDSCH.

Further, on the basis of the foregoing embodiment, the configuration module 81 is further configured to enable the PDCCHs carrying the control information of different OSI to be located in the same time slot.

Further, on the basis of the foregoing embodiment, the configuration module 81 is further configured to load at least two OSI channels on the same PDSCH channel after coding.

Further, on the basis of the foregoing embodiment, the sending module 82 is further configured to send downlink control information DCI to a terminal, where the DCI is carried on the PDCCH channel, and the DCI is used to indicate the OSI information carried on the PDSCH channel in the information window.

Further, on the basis of the foregoing embodiment, the configuration module 81 is further configured to determine, according to the OSI carried by the PDSCH, an RNTI for scrambling a CRC carried by the PDCCH; and carrying out RNTI scrambling on the CRC carried by the PDCCH so that the terminal determines the OSI corresponding to the RNTI according to the RNTI scrambling.

Further, on the basis of the foregoing embodiment, the sending module 82 is further configured to send OSI indication information to the terminal, where the OSI indication information is carried on a PDSCH channel of a physical downlink shared channel, and the OSI indication information is used to indicate OSI information carried on the PDSCH channel in the information window.

Further, on the basis of the foregoing embodiment, the sending module 82 is further configured to send downlink control information DCI to a terminal, where the DCI is carried through a PDCCH channel, and the DCI further includes: for indicating the number of PDCCHs in the information window carrying each of the OSI control information.

Further, on the basis of the above embodiment, the method further includes: at least one of the information windows is disposed in a quasi co-located QCL window for transmission using a set of beams, different QCL windows containing the same information window.

In this embodiment, at least two information windows corresponding to the OSI are overlapped in a time domain, so that a time slot occupied for providing data for other beam directions is avoided, and communication quality is improved.

Fig. 9 is a schematic structural diagram of an embodiment of a terminal according to the present invention; as shown in fig. 9, a terminal in the embodiment of the present invention includes: an acquisition module 91 and a processing module 92. Wherein,

an obtaining module 91, configured to obtain a minimum system information RMSI signaling sent by a base station, where the RMSI signaling includes information of information windows corresponding to other OSI system information, at least two information windows corresponding to OSI system information overlap in a time domain, and the OSI system information includes information except a master information block MIB and the minimum system information RMSI in downlink system information;

a processing module 92, configured to obtain the OSI within the range indicated by the information window according to the RMSI signaling.

In this embodiment, a minimum system information RMSI signaling sent by a base station is obtained, where the RMSI signaling includes information of information windows corresponding to other OSI system information, at least two information windows corresponding to OSI system information overlap in a time domain, and the OSI system information includes information other than a master information block MIB and the minimum system information RMSI in downlink system information; and acquiring the OSI in the range indicated by the information window according to the RMSI signaling. The overlapping of at least two information windows corresponding to the OSI on the time domain is realized, thereby avoiding occupying time slots for providing data for other beam directions and further improving the communication quality.

Fig. 10 is a schematic structural diagram of a second embodiment of the terminal according to the present invention; as shown in fig. 9, a terminal in the embodiment of the present invention, on the basis of the above embodiment, further includes: the sending module (93) is used for sending the data,

the sending module 93 is configured to obtain, according to the information window, control information sent by the base station in a range indicated by the information window, where the control information is carried in a physical downlink control channel PDCCH, and the control information includes scheduling information carrying a PDSCH channel of the OSI physical downlink shared channel;

the obtaining module 91 is further configured to obtain the OSI according to the control information.

Further, on the basis of the foregoing embodiment, the processing module 92 is further configured to determine that the PDCCHs of the control information of different OSI are on the same time slot.

Further, on the basis of the foregoing embodiment, the processing module 92 is further configured to determine that at least two OSI channels are carried on the same PDSCH channel after being coded.

Further, on the basis of the foregoing embodiment, the obtaining module 91 is further configured to obtain downlink control information DCI sent by a base station, where the DCI is carried on the PDCCH channel, and the DCI is used to indicate the OSI information carried on the PDSCH channel in the information window.

Further, on the basis of the foregoing embodiment, the obtaining module 91 is further configured to obtain RNTI information, where the RNTI information includes information for scrambling CRC carried by the PDCCH;

the processing module 92 is further configured to determine the OSI carried by the PDSCH according to the RNTI information.

Further, on the basis of the foregoing embodiment, the obtaining module 91 is further configured to obtain OSI indication information sent by the base station, where the OSI indication information is carried on a PDSCH channel of a physical downlink shared channel, and the OSI indication information is used to indicate OSI information carried on the PDSCH channel in the information window.

Further, on the basis of the foregoing embodiment, the obtaining module 91 is further configured to obtain DCI transmitted by a base station, where the DCI is carried through a PDCCH channel, and the DCI further includes: for indicating the number of PDCCHs in the information window carrying each of the OSI control information.

An embodiment of the present invention further provides a system for transmitting system information, including the base station shown in fig. 8 and the terminal shown in fig. 9 and 10.

Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A method for transmitting system information comprises the following steps:

according to a preset rule, configuring other system information OSI in corresponding information windows, wherein at least two information windows corresponding to the OSI are overlapped in a time domain, the OSI comprises information except a master information block MIB and minimum system information RMSI in downlink system information, and the overlapping of the at least two information windows corresponding to the OSI in the time domain comprises the following steps: each OSI corresponds to one OSI window, and at least two OSIs are configured in one information window or a fixed time domain offset is arranged between two adjacent OSI windows; at least one information window is arranged in a quasi-co-located QCL window which uses a group of beams for transmission, different QCL windows contain the same information window, and the same information window in different QCL windows contains the same OSI;

2. The method according to claim 1, wherein said configuring other system information OSI after in the corresponding information window according to the preset rule further comprises:

3. The method according to claim 2, wherein the sending control information to the terminal to enable the terminal to obtain scheduling information for carrying the PDSCH channel of the OSI physical downlink shared channel through the control information comprises:

4. The method of claim 3, wherein prior to said transmitting said OSI to the terminal, further comprising:

and at least two OSIs are loaded on the same PDSCH channel after being coded.

5. The method according to any of claims 2-4, wherein the sending control information to the terminal to enable the terminal to obtain scheduling information for carrying the Physical Downlink Shared Channel (PDSCH) channel of the OSI via the control information further comprises:

6. The method of any of claims 2-4, wherein prior to sending the OSI to the terminal, further comprising:

7. The method of any of claims 2-4, wherein the transmitting the OSI to the terminal further comprises:

8. The method according to any one of claims 2-4, wherein the sending control information to the terminal further comprises:

9. The method of claim 8, wherein the DCI further comprises: and the system is used for indicating whether the PDCCH carrying the OSI control information exists on the frequencies before and after the current PDCCH channel.

10. The method of claim 9, wherein the DCI further comprises: for indicating whether a slot following the current slot has a PDCCH carrying the OSI control information.

11. A method for transmitting system information comprises the following steps:

acquiring minimum system information (RMSI) signaling sent by a base station, wherein the RMSI signaling comprises information of information windows corresponding to other system information OSIs, at least two information windows corresponding to the OSIs are overlapped in a time domain, the OSIs comprise information except a Master Information Block (MIB) and the minimum system information (RMSI) in downlink system information, and the time domain overlapping of the information windows corresponding to the OSIs comprises the following steps: each OSI corresponds to one OSI window, and at least two OSIs are configured in one information window or a fixed time domain offset is arranged between two adjacent OSI windows; at least one information window is arranged in a quasi-co-located QCL window which uses a group of beams for transmission, different QCL windows contain the same information window, and the same information window in different QCL windows contains the same OSI;

12. The method of claim 11, wherein the obtaining the OSI within the range indicated by the information window in accordance with the RMSI signaling comprises:

and obtaining the OSI according to the control information.

13. The method of claim 12, wherein before obtaining the OSI according to the control information, further comprising:

14. The method of claim 13, wherein before obtaining the OSI according to the control information, further comprising:

15. The method according to any of claims 11-14, wherein said obtaining the OSI within the range indicated by the information window according to the RMSI signaling further comprises:

16. The method according to any of claims 11-14, wherein said obtaining the OSI within the range indicated by the information window according to the RMSI signaling further comprises:

and determining the OSI carried by the PDSCH according to the RNTI information.

17. The method according to any of claims 12-14, wherein said obtaining the OSI within the range indicated by the information window according to the RMSI signaling further comprises:

18. The method according to any of claims 12-14, wherein said obtaining the OSI within the range indicated by the information window according to the RMSI signaling further comprises:

19. The method of claim 18, wherein the DCI further comprises: and the system is used for indicating whether the PDCCH carrying the OSI control information exists on the frequencies before and after the current PDCCH channel.

20. The method of claim 19, wherein the DCI further comprises: for indicating whether a slot following the current slot has a PDCCH carrying the OSI control information.

21. A base station, comprising:

a configuration module, configured to configure other system information OSI in corresponding information windows according to a preset rule, where at least two information windows corresponding to the OSI have overlap in a time domain, where the OSI includes information in downlink system information except a master information block MIB and minimum system information RMSI, and the overlap in the time domain between the at least two information windows corresponding to the OSI includes: each OSI corresponds to one OSI window, and at least two OSIs are configured in one information window or a fixed time domain offset is arranged between two adjacent OSI windows; at least one information window is arranged in a quasi-co-located QCL window which uses a group of beams for transmission, different QCL windows contain the same information window, and the same information window in different QCL windows contains the same OSI;

22. The base station of claim 21, wherein the sending module is further configured to send control information to the terminal, so that the terminal obtains scheduling information for carrying the PDSCH channel of the OSI physical downlink shared channel through the control information, and the control information is carried through the PDCCH; and transmitting the OSI to a terminal, wherein the OSI is carried by the PDSCH.

23. The base station of claim 22, wherein the configuration module is further configured to allocate the PDCCHs carrying the control information of different OSI on a same time slot.

24. The base station of claim 23, wherein the configuration module is further configured to carry at least two of the OSI after coding on a same PDSCH channel.

25. The base station according to any of claims 22 to 24, wherein said transmitting module is further configured to transmit downlink control information DCI to a terminal, said DCI being carried on said PDCCH channel, said DCI being used to indicate said OSI information carried on said PDSCH channel in said information window.

26. The base station according to any of claims 22-24, wherein the configuration module is further configured to determine an RNTI scrambling a CRC carried by a PDCCH according to the OSI carried by the PDSCH; and carrying out RNTI scrambling on the CRC carried by the PDCCH so that the terminal determines the OSI corresponding to the RNTI according to the RNTI scrambling.

27. The base station according to any of claims 22 to 24, wherein the sending module is further configured to send OSI indication information to the terminal, where the OSI indication information is carried on a PDSCH channel of a physical downlink shared channel, and the OSI indication information is used to indicate OSI information carried on the PDSCH channel within the information window.

28. The base station according to any of claims 22 to 24, wherein the sending module is further configured to send downlink control information DCI to the terminal, where the DCI is carried through a PDCCH channel, and the DCI further includes: for indicating the number of PDCCHs in the information window carrying each of the OSI control information.

29. The base station of claim 28, wherein the DCI further comprises: and the system is used for indicating whether the PDCCH carrying the OSI control information exists on the frequencies before and after the current PDCCH channel.

30. The base station of claim 29, wherein the DCI further comprises: for indicating whether a slot following the current slot has a PDCCH carrying the OSI control information.

31. A terminal, comprising:

an obtaining module, configured to obtain minimum system information RMSI signaling sent by a base station, where the RMSI signaling includes information of information windows corresponding to other OSI systems, at least two information windows corresponding to OSI systems overlap in a time domain, where the OSI systems include information in downlink system information except a master information block MIB and the minimum system information RMS I, and the at least two information windows corresponding to OSI systems overlap in the time domain, where: each OSI corresponds to one OSI window, and at least two OSIs are configured in one information window or a fixed time domain offset is arranged between two adjacent OSI windows; at least one information window is arranged in a quasi-co-located QCL window which uses a group of beams for transmission, different QCL windows contain the same information window, and the same information window in different QCL windows contains the same OSI;

32. The terminal of claim 31, further comprising: a sending module for sending the data to the receiving module,

33. The terminal of claim 32, wherein the processing module is further configured to determine that the PDCCHs of the control information of different OSI are on a same time slot.

34. The terminal of claim 33, wherein the processing module is further configured to determine that at least two of the OSI's are carried on the same PDSCH channel after being coded.

35. The terminal of any one of claims 31 to 34, wherein the obtaining module is further configured to obtain downlink control information DCI sent by a base station, where the DCI is carried on the PDCCH channel, and the DCI is used to indicate the OSI information carried on the PDSCH channel in the information window.

36. The terminal according to any of claims 31-34, wherein the obtaining module is further configured to obtain RNTI information, where the RNTI information includes information for scrambling CRC carried by the PDCCH;

37. The terminal according to any of claims 32 to 34, wherein the obtaining module is further configured to obtain OSI indication information sent by the base station, where the OSI indication information is carried on a PDSCH channel of a physical downlink shared channel, and the OSI indication information is used to indicate OSI information carried on the PDSCH channel in the information window.

38. The terminal according to any one of claims 32 to 34, wherein the obtaining module is further configured to obtain DCI transmitted by the base station, where the DCI is carried through a PDCCH channel, and the DCI further includes: for indicating the number of PDCCHs in the information window carrying each of the OSI control information.

39. The terminal of claim 38, wherein the DCI further comprises: and the system is used for indicating whether the PDCCH carrying the OSI control information exists on the frequencies before and after the current PDCCH channel.

40. The terminal of claim 39, wherein the DCI further comprises: for indicating whether a slot following the current slot has a PDCCH carrying the OSI control information.

41. A system for transmitting system information, comprising: a base station as claimed in any one of claims 21 to 30, and a terminal as claimed in any one of claims 31 to 40.