CN111010740B - System information sending and receiving method, mapping method, network equipment and terminal - Google Patents
System information sending and receiving method, mapping method, network equipment and terminal Download PDFInfo
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- CN111010740B CN111010740B CN201811166766.1A CN201811166766A CN111010740B CN 111010740 B CN111010740 B CN 111010740B CN 201811166766 A CN201811166766 A CN 201811166766A CN 111010740 B CN111010740 B CN 111010740B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Abstract
The invention provides a system information sending and receiving method, a mapping method, network side equipment and a terminal, wherein the system information sending method comprises the following steps: transmitting scheduling information, wherein the scheduling information carries an offset value offset, and the offset value offset is used for determining the starting position of a transmitting window for transmitting a system information message; and transmitting the system information message in a transmitting window. In this way, the network side device sends the scheduling information carrying the offset value offset to the terminal, so that the starting position of the sending window for transmitting the system information message can be determined according to the offset value offset, and then the system information message is sent in the sending window, and further the scheduling flexibility of the network side device when sending the system information message can be ensured.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a system information sending and receiving method, a mapping method, a network side device, and a terminal.
Background
The system information (System Information, SI) is organized in system information blocks (System Information Block, SIBs). Each SIB contains a series of parameter sets associated with a certain function. In a long term evolution (Long Term Evolution, LTE) system, each SI message contains one or more SIBs with the same scheduling requirements, except for SIB1, which have the same transmission period. When SIBs are mapped to SI messages, one SIB can only be mapped to one SI message, and each SI message is transmitted in only one SI window (SI-window), and SI windows are next to each other, and there is neither overlap nor gap.
In the prior art, the number of the start frame of the SI message sending window is SFN, where the SFN satisfies: SFN% t=floor (x/L), where x= (n-1) ×w, where n is a sequence number of the system information SI message in the system information SI message list, w is a size of a system information SI transmission window, T is a transmission period of the system information SI message, L is a number of subframes or a number of slots in one radio frame, and FLOOR is a downward rounding function. In this way, in case w, T and L are all determined, the number SFN of the start frame of the transmission window can be calculated.
It can be found that in the above technical solution, the position of the SI message transmission window is fixed, so that the scheduling is greatly limited.
Disclosure of Invention
The embodiment of the invention provides a system information sending and receiving method, a mapping method, network side equipment and a terminal, which are used for solving the problem of poor scheduling flexibility of the network side equipment when sending system information.
In order to solve the technical problems, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a system information sending method, which is used for a network side device, and includes:
transmitting scheduling information, wherein the scheduling information carries an offset value offset, and the offset value offset is used for determining the starting position of a transmitting window for transmitting a system information message;
And transmitting the system information message in a transmitting window.
In a second aspect, an embodiment of the present invention provides a system information receiving method, configured to a terminal, including:
receiving scheduling information, wherein the scheduling information carries an offset value offset;
and receiving the system information message at the determined transmission window.
In a third aspect, an embodiment of the present invention provides a mapping method, configured to be used in a network side device, including:
the system information blocks are mapped onto at least one system information message, and the number of segments of the system information blocks is greater than or equal to the number of system information messages.
In a fourth aspect, an embodiment of the present invention provides a network side device, including a processor and a transceiver,
the transceiver is configured to send scheduling information, where the scheduling information carries an offset value offset, where the offset value offset is used to determine a start position of a sending window for transmitting a system information message;
the transceiver is also configured to transmit the system information message over a transmission window.
In a fifth aspect, embodiments of the present invention provide a terminal, comprising a processor and a transceiver,
the transceiver is configured to receive scheduling information, where the scheduling information carries an offset value offset;
the transceiver is also configured to receive a system information message at the determined transmission window.
In a sixth aspect, an embodiment of the present invention provides a network side device, including a processor and a transceiver,
the processor is configured to map a system information block onto at least one system information message, where the number of segments of the system information block is greater than or equal to the number of system information messages.
In a seventh aspect, an embodiment of the present invention provides a network side device, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program when executed by the processor implements the steps in the system information sending method described in the first aspect.
In an eighth aspect, an embodiment of the present invention provides a terminal, including a processor, a memory, and a computer program stored in the memory and executable on the processor, where the computer program is executed by the processor to implement the steps in the system information receiving method described in the second aspect.
In a ninth aspect, an embodiment of the present invention provides a network side device, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program is executed by the processor to implement the steps in the mapping method described in the third aspect.
In a tenth aspect, an embodiment of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps in the above-described system information transmission method.
In an eleventh aspect, an embodiment of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps in the above-described system information receiving method.
In a twelfth aspect, embodiments of the present invention provide a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the mapping method described above.
In the embodiment of the invention, the network side equipment sends the scheduling information carrying the offset value offset to the terminal, so that the starting position of the sending window for transmitting the system information message can be determined according to the offset value offset, and then the system information message is sent in the sending window, and further the scheduling flexibility of the network side equipment when the system information message is sent can be ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a flowchart of a system information sending method provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of a position of a transmission window of a system information message according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a position of a transmission window of a system information message after using an offset value according to an embodiment of the present invention;
fig. 4 is a schematic diagram of sending multiple segments of a system information block in a system information message according to an embodiment of the present invention;
fig. 5 is a flowchart of a system information receiving method according to an embodiment of the present invention;
FIG. 6 is a flow chart of a mapping method provided by an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a network side device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
Fig. 9 is a schematic structural diagram of another network side device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of another network side device according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the embodiment of the invention, a system information sending and receiving method, a mapping method, network side equipment and a terminal are provided, so that the network side equipment can transmit system information messages and has good scheduling flexibility.
To facilitate a better understanding of embodiments of the present invention, some concepts related to embodiments of the present invention will be described first.
First, in the prior art, each SI message in LTE contains one or more SIBs with the same scheduling requirements, except SIB1, which have the same transmission period, and a certain SIB can only be mapped onto one SI message. For example: SIBs with 2 transmission periods of 160ms may be placed in the same SI message, but other SIBs with a transmission period of 320ms must be placed in different SI messages, each SI message being transmitted in only one SI window:
(1) An SI message is associated with an SI window within which only the SI message can be sent and can be repeated multiple times, but other SI messages cannot be sent;
(2) The SI windows are in close proximity, and are not overlapped, and no gap exists;
(3) The SI window lengths of all the SI messages are the same;
(4) The periods of the different SI messages are independent of each other.
Furthermore, in the prior art, to support global navigation satellite system (Global Navigation Satellite System, GNSS) assistance information broadcasting, several tens of positioning system information blocks (pos-SIBs) are introduced, and due to the large content contained in the pos-SIBs, the pos-SIBs exceeding the SIB size may be divided into a plurality of segments (pos-SIB segments). In order for the UE to quickly acquire all segments, different segments of the same pos-SIB can be mapped onto different SI messages, e.g., pos-SIB1 is split into 3 segments, pos-SIB1segment 1 is mapped onto SI-1, pos-SIB1segment 2 is mapped onto SI-2, pos-SIB1segment 3 is mapped onto SI-3, if SI-1, SI-2 and SI-3 SI windows are connected and the SI window length is 5ms, then the UE can acquire the entire pos-SIB1 within 15 ms.
However, due to the limited length of the SI window, when SIB1 appears in the SI window of the pos-SIB, or the network side device repeatedly sends the pos-SI message in the current SI window in order to ensure coverage performance, the network side device will have no resource for scheduling other UEs, which may seriously affect the scheduling flexibility of the network side device.
In a specific embodiment of the present invention, when the system information is transmitted, an offset value may be set for the system information, where the offset value may affect the start frame where the transmission window is located. Therefore, by using the method and the device provided by the embodiment of the invention, the system information sending window can be set at a proper position and the system information can be sent, so that the problem of limited scheduling flexibility caused by incapability of adjusting the position of the system information sending window in the prior art is solved.
Referring to fig. 1, fig. 1 is a flowchart of a system information sending method provided by an embodiment of the present invention, which is applied to a network side device, as shown in fig. 1, and the method includes the following steps:
The scheduling information carries an offset value offset, and the offset value offset can be used for changing the starting position of a sending window for transmitting the SI message.
Wherein each SI message is transmitted in a transmission window, and thus, the start position may be a start frame and/or a start subframe of the SI message transmission window.
In this embodiment, the network side device may send scheduling information carrying the offset value offset to the terminal, so that the terminal may determine, according to the offset value offset, a starting position of a sending window for transmitting the SI message between the network side device and the terminal. In this way, the network side device can flexibly adjust the starting position of each SI message transmission window according to the offset value offset.
By the method, the time/position of SI message transmission can be flexibly adjusted while the transmission of the SI message of the network side equipment is ensured, and the scheduling flexibility is improved.
Specifically, the starting position of the sending window includes: a number SFN of a start frame of a transmission window and/or a start subframe number a of the transmission window, the SFN satisfying: SFN% t=floor (x/L), the a satisfies: a=x%l, x= (n-1) w+offset, where n is a sequence number of the system information SI message in a system information SI message list or a system information message sub-list, w is a size of a system information SI transmission window, T is a transmission period of the system information SI message, L is a number of subframes or a number of time slots in one radio frame, and FLOOR is a downward rounding function. In this way, in case w, T, L and offset are all determined, the number SFN of the start frame of the transmission window can be calculated.
In a specific embodiment of the present invention, the system information message list may be formed by two lists corresponding to different window sizes, for example, the system information message in list 1 uses si-window-1=10 ms, the system information message in list 2 uses si-window-2=5 ms, in which case an offset may be enabled for one of the lists, for example, the system information message in list 1 does not use an offset when calculating the transmission window, and only the offset is started for list 2.
In order to ensure that the offset is performed in frames, the offset may be an integer multiple of L, that is, the offset may be an integer multiple of the subframe or slot length. For example, in the LTE system, the offset may be an integer multiple of the number of subframes in one radio frame, and in the 5G system, the offset may be an integer multiple of the slot length in one radio frame.
In the prior art, the number of the start frame of the SI message sending window is SFN, where the SFN satisfies: SFN% t=floor (x/L), start subframe number a of the transmission window, said a satisfying: a=x% L, where x= (n-1) w, where n is a sequence number of the system information SI message in the system information SI message list, w is a size of a system information SI transmission window, T is a transmission period of the system information SI message, L is a number of subframes or a number of slots in one radio frame, and FLOOR is a downward rounding function.
Taking a 2ms window as an example, according to the SFN% t=floor (x/L) described above, x= (n-1) w, in the case where there are 10 system messages to be sent, w=2 ms, t=80 ms, l=10 ms, it can be seen that the number of the cells, the serial numbers SFN of the initial frames of the transmission windows of the 10 SI messages are 0 in sequence 0, 1. That is, as shown in fig. 2, the transmission window of the 10 SI messages is located in 2 10ms radio frames.
When each radio frame needs to transmit so many system messages and the system message data is larger, the remaining resources available for UE scheduling in the radio frame become smaller, and the scheduling requirement cannot be met.
In the embodiment of the present invention, taking the above case as an example, for example, if sfn=2 is used to transmit other data, sfn=3-5 is an idle available resource, the offset of the last 5 system messages is set to 30ms, and the transmission window length is changed to w=5 ms, then by using the method of the embodiment of the present invention, the number SFN of the start frame of the transmission window of 10 SI messages is sequentially 0, 1, 3, 4, 5.
That is, as shown in fig. 3, 10 system message windows are scattered to 5 radio frames, lengthening the transmission time of the system message. In this way, the scheduling flexibility is greatly improved over a relatively long period of time.
As another example, in an embodiment of the present invention, the offset of the last 5 system messages may also be set to 20ms, namely, the serial numbers SFN of the initial frames of the transmission windows of 10 SI messages are 0 in sequence 0, 3, at this time, although the transmission windows of the 10 SI messages are still distributed in two radio frames, the intensity of SI message transmission is reduced, and the scheduling flexibility is also improved.
By adopting the system information sending method in the embodiment, the scheduling information carries the offset value offset, and the starting position of the sending window of each SI message can be changed through the offset, so that the scheduling flexibility can be improved.
By adopting the system information sending method in the embodiment, the network side equipment can use the sending window resources which are not occupied by the system information for sending other information, thereby meeting the requirement of system scheduling flexibility while ensuring the transmission of the system information.
After determining the starting position of the transmission window of the system information SI message according to the offset value offset, the system information SI message may be transmitted according to the determined starting position.
In the prior art, tens of positioning system information blocks (pos-SIBs) were introduced to support global navigation satellite system (Global Navigation Satellite System, GNSS) assistance information broadcasting. Because pos-SIBs contain larger content, pos-SIBs exceeding the SIB size may be divided into multiple segments (pos-SIB segments). In the prior art, different segments of the same pos-SIB are mapped onto different SI messages, e.g. pos-SIB1 is divided into 3 segments, pos-SIB1 segment 1 is mapped onto SI-1, pos-SIB1 segment 2 is mapped onto SI-2, pos-SIB1 segment 3 is mapped onto SI-3, if SI-1, SI-2 and SI-3 SI windows are connected and SI window length is 5ms, then the UE needs 15ms to obtain the entire pos-SIB1.
In a specific embodiment of the present invention, the scheduling information further carries mapping relation indication information, which indicates a mapping relation between the system information block and the system information message, where the system information block is mapped to at least one system information message. Unlike the prior art, in the specific embodiment of the present invention, the number of segments of the system information block may be greater than or equal to the number of system information messages;
the sending the system information message in the sending window specifically includes:
and transmitting the system information blocks in the respective corresponding transmission windows of each system information message.
That is, in the prior art, for one system information block SIB including 4 segments, it is necessary to transmit through 4 system messages SI. However, this puts a certain requirement on the number of SI windows of the system message, but is limited by time-frequency resources, and the network cannot allocate so many SI window resources, so in a specific embodiment of the present invention, multiple system information blocks may be segmented and transmitted through less than 4 system information messages, so that the terminal can acquire the system information blocks in a shorter time, and meanwhile, the limitation on the number of SI windows is reduced.
Therefore, in this embodiment, the scheduling information carrying the offset value offset may further carry mapping relation indication information, where the mapping relation indicates the mapping relation between the system information block SIB and the system information SI message. Specifically, one system information block SIB is mapped onto at least one system information SI message, for example, one system information block SIB is mapped onto 2 or 4 system information SI messages, wherein the number of segments of the system information block SIB is greater than or equal to the number of system information SI messages, that is, each system information SI message may carry segments of at least one system information block SIB, but may also carry segments of two or more system information blocks SIBs on the system information SI message. In this way, the segmentation of more than one system information block SIB is mapped into one system information SI message, so as to accelerate the transmission and reception of the system information block.
Taking the example of a system message block divided into 4 segment segments, the 4 segment segments may be transmitted over two system messages SI-1 and SI-2, as shown in FIG. 4. For example, segment1 of the system information block SIB1 may be transmitted in the first transmission window of the first system information SI message, segment2 of SIB1 may be transmitted in the first transmission window of the second system information SI message, segment3 of SIB1 may be transmitted in the second transmission window of the first system information SI message, and segment4 of SIB1 may be transmitted in the second transmission window of the second system information SI message.
The mapping relation indication information will indicate that the positioning system message block is mapped onto 2 system information SI messages. By the mode, the terminal can obtain the whole system information block SIB only through 4 system information windows, and the network side equipment can complete the transmission of the whole system information block SIB only through 4 system information SI information windows, so that the transmission speed and the receiving speed of the system information block are improved, and the UE is ensured to obtain the system information block more quickly.
As previously mentioned, the number of positioning system information blocks (pos-SIBs) is large and contains a relatively large amount of content. Thus, the method of the embodiment of the invention can be applied to the transmission of the positioning system information block. Namely: the system information block may be a positioning system information block pos-SIB. Since the content contained in the positioning system information block pos-SIB tends to be large and large in number. One pos-SIB may need to be sent in different SI messages, divided into multiple segments.
If the conventional LTE system information transmission mechanism is adopted, the pos-SIBs cannot be transmitted in a limited SI window. In the embodiment of the invention, the segments of the pos-SIB are mapped in one SI message, so that the pos-SIB can be ensured to be sent in a limited SI window, the sending speed and the receiving speed of a system message block are improved, and the UE can be ensured to obtain the system information block more quickly.
After determining the mapping relation between the system information blocks and the system information messages, the system information blocks can be sent in the sending windows corresponding to each system information message, so as to complete the sending of the system information blocks.
In this way, in this embodiment, by carrying the indication information for indicating the mapping relationship between the system information blocks and the system information messages in the scheduling information, the number of the system information messages can be ensured to be less than or equal to the number of segments of the system information blocks, so that the terminal can receive the system information blocks sent by the network side device more quickly.
According to the system information sending method in the embodiment, the network side equipment sends the scheduling information carrying the offset value offset to the terminal, so that the starting position of a sending window for transmitting the system information message can be determined according to the offset value offset, then the system information message is sent in the sending window, and further the scheduling flexibility of the network side equipment in the process of sending the system information message can be guaranteed.
Referring to fig. 5, fig. 5 is a flowchart of another system information receiving method according to an embodiment of the present invention, which is applied to a terminal. As shown in fig. 5, the method comprises the steps of:
It should be noted that, in this embodiment, as an implementation manner of the terminal corresponding to the embodiment shown in fig. 1, a specific implementation manner of the terminal may refer to a related description in the embodiment shown in fig. 1, and in order to avoid repetitive description, this embodiment is not repeated.
Optionally, the number SFN of the start frame of the transmission window satisfies: SFN% t=floor (x/L), x= (n-1) ×w+offset, and/or the starting subframe number a of the transmission window satisfies: a=x% L, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
Optionally, the offset is an integer multiple of a subframe or a slot length.
Optionally, the scheduling information further carries mapping relation indication information, and indicates a mapping relation between a system information block and a system information message, wherein in the mapping relation, the system information block is mapped to at least one system information message, and the number of segments of the system information block is greater than or equal to the number of the system information messages;
the receiving system information in the determined sending window specifically includes:
and receiving the system information blocks in the respective corresponding sending windows of each system information message.
Optionally, the system information block is a positioning system information block.
The above optional implementation manner may refer to the related description in the embodiment shown in fig. 1, and in order to avoid repetitive description, this embodiment is not repeated.
According to the system information receiving method in the embodiment, the scheduling information carrying the offset value offset sent by the network side equipment is received, so that the starting position of a sending window for transmitting the system information message can be determined according to the offset value offset, then the system information message is sent in the determined sending window, and further the scheduling flexibility of the terminal when receiving the system information message can be guaranteed.
In the embodiment of the present invention, the terminal may be any device having a storage medium, for example: terminal devices such as a Computer (Computer), a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop Computer), a personal digital assistant (personal digital assistant, PDA for short), a mobile internet Device (Mobile Internet Device, MID for short), or a Wearable Device (MID for short).
Referring to fig. 6, fig. 6 is a flowchart of a mapping method provided in an embodiment of the present invention, which is applied to a network side device. As shown in fig. 6, the method comprises the steps of:
The specific implementation manner of the mapping method may refer to the related description and description in the alternative implementation manner of the method embodiment shown in fig. 1 in which the scheduling information further carries the mapping relationship indication information, and in order to avoid repeated description, this embodiment is not repeated.
According to the mapping method in the embodiment, the system information blocks are mapped to at least one system information message, and the number of the segments of the system information blocks is ensured to be larger than or equal to the number of the system information messages, so that resources of a system information sending window can be saved, and the terminal can be ensured to quickly receive the system information blocks sent by the network side equipment.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a network side device according to an embodiment of the present invention, as shown in fig. 7, a network side device 700 includes:
a first sending module 701, configured to send scheduling information, where the scheduling information carries an offset value offset, where the offset value offset is used to determine a start position of a sending window for transmitting a system information message;
A second sending module 702, configured to send the system information message in a sending window.
Optionally, the starting position of the sending window includes: a number SFN of a start frame of a transmission window and/or a start subframe number a of the transmission window, the SFN satisfying: SFN% t=floor (x/L), the a satisfies: a=x% L, x= (n-1) w+offset, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
Optionally, the offset is an integer multiple of a subframe or a slot length.
Optionally, the scheduling information further carries mapping relation indication information, and indicates a mapping relation between a system information block and a system information message, wherein in the mapping relation, the system information block is mapped to at least one system information message, and the number of segments of the system information block is greater than or equal to the number of the system information messages;
the second sending module 702 is specifically configured to send the system information block in a sending window corresponding to each system information message.
Optionally, the system information block is a positioning system information block.
The network side device 700 can implement each process implemented by the network side device in the method embodiment shown in fig. 1, and in order to avoid repetition, a description is omitted here. According to the network side equipment 700 provided by the embodiment of the invention, the scheduling information carrying the offset value offset is sent to the terminal, so that the starting position of the sending window for transmitting the system information message can be determined according to the offset value offset, and then the system information message is sent in the sending window, and further the scheduling flexibility of the network side equipment in the process of sending the system information message can be ensured.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention, and as shown in fig. 8, a terminal 800 includes:
a first receiving module 801, configured to receive scheduling information, where the scheduling information carries an offset value offset;
a second receiving module 802, configured to receive the system information message in the determined transmission window.
Optionally, the number SFN of the start frame of the transmission window satisfies: SFN% t=floor (x/L), and/or the starting subframe number a of the transmission window satisfies: a=x% L, x= (n-1) w+offset, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
Optionally, the offset is an integer multiple of a subframe or a slot length.
Optionally, the scheduling information further carries mapping relation indication information, and indicates a mapping relation between a system information block and a system information message, wherein in the mapping relation, the system information block is mapped to at least one system information message, and the number of segments of the system information block is greater than or equal to the number of the system information messages;
the second receiving module 802 is specifically configured to receive the system information block in a transmission window corresponding to each system information message.
Optionally, the system information block is a positioning system information block.
The terminal 800 is capable of implementing each process implemented by the terminal in the method embodiment shown in fig. 5, and will not be described herein again for avoiding repetition. The terminal 800 in the embodiment of the present invention receives the scheduling information carrying the offset value offset sent by the network side device, so as to determine the starting position of the sending window for transmitting the system information message according to the offset value offset, and then send the system information message in the determined sending window, thereby ensuring the scheduling flexibility of the terminal when receiving the system information message.
Referring to fig. 9, fig. 9 is a schematic structural diagram of another network side device according to an embodiment of the present invention, and as shown in fig. 9, a network side device 900 includes:
A mapping module 901, configured to map a system information block onto at least one system information message, where the number of segments of the system information block is greater than or equal to the number of system information messages.
The network side device 900 can implement each process implemented by the network side device in the method embodiment shown in fig. 6, and in order to avoid repetition, a description is omitted here. The network side device 900 in the embodiment of the present invention maps the system information blocks to at least one system information message, and ensures that the number of segments of the system information blocks is greater than or equal to the number of the system information messages, so as to save the resources of the system information transmission window, and ensure that the terminal can quickly receive the system information blocks sent by the network side device.
The embodiment of the invention also provides a network side device, which comprises a processor, a memory and a computer program stored in the memory and capable of running on the processor, wherein the computer program realizes the processes of the system information sending method embodiment when being executed by the processor, and can achieve the same technical effect, and the repetition is avoided, and the description is omitted here.
The embodiment of the invention also provides another network side device, which comprises a processor, a memory and a computer program stored in the memory and capable of running on the processor, wherein the computer program realizes the processes of the mapping method embodiment when being executed by the processor, and can achieve the same technical effect, and the repetition is avoided, so that the description is omitted.
Specifically, referring to fig. 10, the embodiment of the present invention further provides a network side device, which includes a bus 1001, a transceiver 1002, an antenna 1003, a bus interface 1004, a processor 1005, and a memory 1006.
In one embodiment, the transceiver 1002 is configured to send scheduling information, where the scheduling information carries an offset value offset, where the offset value offset is used to determine a starting position of a sending window for transmitting a system information message;
the transceiver 1002 is further configured to transmit the system information message in a transmission window.
Further, the starting position of the sending window includes: a number SFN of a start frame of a transmission window and/or a start subframe number a of the transmission window, the SFN satisfying: SFN% t=floor (x/L), the a satisfies: a=x% L, x= (n-1) w+offset, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
Further, the offset is an integer multiple of a subframe or slot length.
Further, the scheduling information also carries mapping relation indication information, and indicates the mapping relation between the system information blocks and the system information messages, wherein in the mapping relation, the system information blocks are mapped to at least one system information message, and the number of the segments of the system information blocks is greater than or equal to the number of the system information messages;
The transceiver 1002 is further specifically configured to transmit the system information block in a transmission window corresponding to each system information message.
Further, the system information block is a positioning system information block.
In this embodiment, the network-side device further includes: computer programs stored on the memory 1006 and executable on the processor 1005. Wherein the computer program, when executed by the processor 1005, performs the steps of:
transmitting scheduling information, wherein the scheduling information carries an offset value offset, and the offset value offset is used for determining the starting position of a transmitting window for transmitting a system information message;
and transmitting the system information message in a transmitting window.
Optionally, the starting position of the sending window includes: a number SFN of a start frame of a transmission window, and/or a start subframe number a of the transmission window, the SFN satisfying: SFN% t=floor (x/L), the a satisfies: a=x% L, x= (n-1) w+offset, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
Optionally, the offset is an integer multiple of a subframe or a slot length.
Optionally, the scheduling information further carries mapping relation indication information, and indicates a mapping relation between a system information block and a system information message, wherein in the mapping relation, the system information block is mapped to at least one system information message, and the number of segments of the system information block is greater than or equal to the number of the system information messages;
the computer program when executed by the processor 1005 is also for:
and transmitting the system information blocks in the respective corresponding transmission windows of each system information message.
Optionally, the system information block is a positioning system information block.
In another embodiment, the transceiver 1002 is configured to map a system information block onto at least one system information message, where the number of segments of the system information block is greater than or equal to the number of system information messages.
In this embodiment, the network side device further includes: computer programs stored on the memory 1006 and executable on the processor 1005. Wherein the computer program, when executed by the processor 1005, performs the steps of:
mapping a system information block onto at least one system information message, the number of segments of the system information block being greater than or equal to the number of system information messages.
In fig. 10, a bus architecture (represented by bus 1001), the bus 1001 may include any number of interconnected buses and bridges, with the bus 1001 linking together various circuits, including one or more processors, represented by a processor 1005, and memory, represented by a memory 1006. Bus 1001 may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, and therefore, will not be described any further herein. Bus interface 1004 provides an interface between bus 1001 and transceiver 1002. The transceiver 1002 may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor 1005 is transmitted over a wireless medium via the antenna 1003, and further, the antenna 1003 receives data and transmits the data to the processor 1005.
The processor 1005 is responsible for managing the bus 1001 and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And memory 1006 may be used to store data used by processor 1005 in performing operations.
Alternatively, the processor 1005 may be CPU, ASIC, FPGA or a CPLD.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the processes of the system information sending method embodiment, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the respective processes of the mapping method embodiment described above, and can achieve the same technical effects, and in order to avoid repetition, the description is omitted here. Wherein the computer readable storage medium is such as ROM, RAM, magnetic or optical disk.
Fig. 11 is a schematic structural diagram of another terminal implementing various embodiments of the present invention, and the terminal 1100 includes, but is not limited to: transceiver unit 1101, network module 1102, audio output unit 1103, input unit 1104, sensor 1105, display unit 1106, user input unit 1107, interface unit 1108, memory 1109, processor 1110, and power supply 1111. It will be appreciated by those skilled in the art that the terminal structure shown in fig. 11 is not limiting of the terminal and that the terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. In the embodiment of the invention, the terminal comprises, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer and the like.
Wherein, the transceiver 1101 is configured to receive scheduling information, where the scheduling information carries an offset value offset;
and receiving the system information message at the determined transmission window.
Optionally, the number SFN of the start frame of the transmission window satisfies: SFN% t=floor (x/L), and/or the starting subframe number a of the transmission window satisfies: a=x% L, x= (n-1) w+offset, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
Optionally, the offset is an integer multiple of a subframe or a slot length.
Optionally, the scheduling information further carries mapping relation indication information, and indicates a mapping relation between a system information block and a system information message, wherein in the mapping relation, the system information block is mapped to at least one system information message, and the number of segments of the system information block is greater than or equal to the number of the system information messages;
further, the transceiver unit 1101 is further configured to:
and receiving the system information blocks in the respective corresponding sending windows of each system information message.
Optionally, the system information block is a positioning system information block.
The terminal 1100 is capable of implementing each process implemented by the terminal in the method embodiment shown in fig. 5, and will not be described herein again for avoiding repetition. The terminal 1100 in the embodiment of the present invention receives the scheduling information carrying the offset value offset sent by the network side device, so as to determine the starting position of the sending window for transmitting the system information message according to the offset value offset, and then send the system information message in the determined sending window, thereby ensuring the scheduling flexibility of the terminal when receiving the system information message.
It should be understood that, in the embodiment of the present invention, the transceiver 1101 may be configured to receive and transmit information or signals during a call, and specifically, receive downlink data from a base station and process the received downlink data with the processor 1110; and, the uplink data is transmitted to the base station. Typically, the transceiver 1101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. The transceiver 1101 may also communicate with a network and other devices via a wireless communication system.
The terminal provides wireless broadband internet access to the user through the network module 1102, such as helping the user to send and receive e-mail, browse web pages, access streaming media, etc.
The audio output unit 1103 may convert audio data received by the transceiving unit 1101 or the network module 1102 or stored in the memory 1109 into an audio signal and output as sound. Also, the audio output unit 1103 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the terminal 1100. The audio output unit 1103 includes a speaker, a buzzer, a receiver, and the like.
The input unit 1104 is used for receiving an audio or video signal. The input unit 1104 may include a graphics processor (Graphics Processing Unit, abbreviated as GPU) 11041 and a microphone 11042, the graphics processor 11041 processing image data of still pictures or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 1106. The image frames processed by the graphic processor 11041 may be stored in the memory 1109 (or other storage medium) or transmitted via the transceiving unit 1101 or the network module 1102. The microphone 11042 may receive sound and can process such sound into audio data. The processed audio data may be converted into a format output that can be transmitted to the mobile communication base station via the transceiving unit 1101 in the case of a telephone call mode.
Terminal 1100 can also include at least one sensor 1105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 11061 according to the brightness of ambient light, and the proximity sensor can turn off the display panel 11061 and/or the backlight when the terminal 1100 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when the accelerometer sensor is stationary, and can be used for recognizing the terminal gesture (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; the sensor 1105 may further include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., which are not described herein.
The display unit 1106 is used to display information input by a user or information provided to the user. The display unit 1106 may include a display panel 11061, and the display panel 11061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD) or an Organic Light-Emitting Diode (OLED).
The user input unit 1107 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 1107 includes a touch panel 11071 and other input devices 11072. The touch panel 11071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 11071 or thereabout using any suitable object or accessory such as a finger, stylus, etc.). The touch panel 11071 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 1110, and receives and executes commands sent from the processor 1110. In addition, the touch panel 11071 may be implemented in various types of resistive, capacitive, infrared, surface acoustic wave, and the like. The user input unit 1107 may include other input devices 11072 in addition to the touch panel 11071. In particular, other input devices 11072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
Further, the touch panel 11071 may be overlaid on the display panel 11061, and when the touch panel 11071 detects a touch operation thereon or thereabout, the touch panel is transferred to the processor 1110 to determine a type of touch event, and then the processor 1110 provides a corresponding visual output on the display panel 11061 according to the type of touch event. Although in fig. 11, the touch panel 11071 and the display panel 11061 are provided as two separate components to implement the input and output functions of the terminal, in some embodiments, the touch panel 11071 may be integrated with the display panel 11061 to implement the input and output functions of the terminal, which is not limited herein.
The interface unit 1108 is an interface for connecting an external device to the terminal 1100. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. Interface unit 1108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within terminal 1100 or may be used to transmit data between terminal 1100 and an external device.
The memory 1109 may be used to store software programs as well as various data. The memory 1109 may mainly include a storage program area that may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and a storage data area; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, memory 1109 may include high-speed random access memory and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.
The processor 1110 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by running or executing software programs and/or modules stored in the memory 1109, and calling data stored in the memory 1109, thereby performing overall monitoring of the terminal. Processor 1110 may include one or more processing units; preferably, the processor 1110 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 1110.
Terminal 1100 can also include a power supply 1111 (e.g., a battery) for powering the various components, and preferably, power supply 1111 can be logically coupled to processor 1110 via a power management system that can perform functions such as managing charge, discharge, and power consumption.
In addition, the terminal 1100 includes some functional modules, which are not shown, and will not be described herein.
Preferably, the embodiment of the present invention further provides a terminal, which includes a processor 1110, a memory 1109, and a computer program stored in the memory 1109 and capable of running on the processor 1110, where the computer program when executed by the processor 1110 implements each process of the embodiment of the system information receiving method, and the same technical effects can be achieved, and for avoiding repetition, a detailed description is omitted herein.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the processes of the system information receiving method embodiment, and can achieve the same technical effects, so that repetition is avoided and no further description is given here. Wherein the computer readable storage medium is such as ROM, RAM, magnetic or optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (24)
1. A system information transmitting method for a network side device, comprising:
transmitting scheduling information, wherein the scheduling information carries an offset value offset, and the offset value offset is used for determining the starting position of a transmitting window for transmitting a system information message;
transmitting the system information message in a transmission window;
the scheduling information also carries mapping relation indication information, and indicates the mapping relation between the system information blocks and the system information messages, wherein the system information blocks are mapped to at least one system information message in the mapping relation.
2. The system information transmission method according to claim 1, wherein the start position of the transmission window includes: a number SFN of a start frame of a transmission window and/or a start subframe number a of the transmission window, the SFN satisfying: SFN% t=floor (x/L), the a satisfies: a=x% L, x= (n-1) w+offset, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
3. The system information transmission method according to claim 2, wherein the offset is an integer multiple of a subframe or a slot length.
4. The system information transmission method according to any one of claims 1 to 3, wherein the number of segments of the system information block is greater than or equal to the number of system information messages;
the sending the system information message in the sending window specifically includes:
and transmitting the system information blocks in the respective corresponding transmission windows of each system information message.
5. The system information transmission method according to claim 4, wherein the system information block is a positioning system information block.
6. A system information receiving method for a terminal, comprising:
receiving scheduling information, wherein the scheduling information carries an offset value offset;
receiving a system information message at the determined transmission window;
the scheduling information also carries mapping relation indication information, and indicates the mapping relation between the system information blocks and the system information messages, wherein the system information blocks are mapped to at least one system information message in the mapping relation.
7. The system information receiving method according to claim 6, wherein:
The number SFN of the start frame of the transmission window satisfies: SFN% t=floor (x/L), and/or the starting subframe number a of the transmission window satisfies: a=x% L, x= (n-1) w+offset, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
8. The system information receiving method according to claim 7, wherein the offset is an integer multiple of a subframe or a slot length.
9. The system information receiving method according to any one of claims 6 to 8, wherein the number of segments of the system information block is greater than or equal to the number of system information messages;
the receiving system information in the determined sending window specifically includes:
and receiving the system information blocks in the respective corresponding sending windows of each system information message.
10. The system information receiving method according to claim 9, wherein the system information block is a positioning system information block.
11. A network side device is characterized by comprising a processor and a transceiver,
The transceiver is configured to send scheduling information, where the scheduling information carries an offset value offset, where the offset value offset is used to determine a start position of a sending window for transmitting a system information message;
the transceiver is further configured to transmit the system information message over a transmission window;
the scheduling information also carries mapping relation indication information, and indicates the mapping relation between the system information blocks and the system information messages, wherein the system information blocks are mapped to at least one system information message in the mapping relation.
12. The network-side device of claim 11, wherein the starting location of the transmission window comprises: a number SFN of a start frame of a transmission window and/or a start subframe number a of the transmission window, the SFN satisfying: SFN% t=floor (x/L), the a satisfies: a=x% L, x= (n-1) w+offset, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
13. The network-side device of claim 11, wherein the offset is an integer multiple of a subframe or slot length.
14. The network side device according to any one of claims 11-13, wherein the scheduling information further carries mapping relation indication information, which indicates a mapping relation between a system information block and a system information message, where the system information block is mapped to at least one system information message, and the number of segments of the system information block is greater than or equal to the number of system information messages;
the transceiver is further specifically configured to transmit the system information block in a transmission window corresponding to each system information message.
15. The network-side device of claim 14, wherein the system information block is a positioning system information block.
16. A terminal, comprising a processor and a transceiver,
the transceiver is configured to receive scheduling information, where the scheduling information carries an offset value offset;
the transceiver is further configured to receive a system information message at the determined transmission window;
the scheduling information also carries mapping relation indication information, and indicates the mapping relation between the system information blocks and the system information messages, wherein the system information blocks are mapped to at least one system information message in the mapping relation.
17. The terminal of claim 16, wherein the start frame number SFN of the transmission window satisfies: SFN% t=floor (x/L), and/or the starting subframe number a of the transmission window satisfies: a=x% L, x= (n-1) w+offset, where n is a sequence number of the system information message in a system information message list or a system information message sub-list, w is a size of a system information transmission window, T is a transmission period of the system information message, and L is a number of subframes or a number of slots in one radio frame.
18. The terminal of claim 17, wherein the offset is an integer multiple of a subframe or slot length.
19. The terminal according to any of claims 16-18, wherein the scheduling information further carries mapping relation indication information, indicating a mapping relation between system information blocks and system information messages, wherein the mapping relation is that the system information blocks are mapped to at least one system information message, and the number of segments of the system information blocks is greater than or equal to the number of the system information messages;
the transceiver is further specifically configured to receive the system information block in a transmission window corresponding to each system information message.
20. The terminal of claim 19, wherein the system information block is a positioning system information block.
21. A network side device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, which when executed by the processor implements the steps in the system information transmission method according to any one of claims 1 to 5.
22. A terminal comprising a processor, a memory and a computer program stored on the memory and executable on the processor, which when executed by the processor implements the steps in the system information receiving method according to any one of claims 6 to 10.
23. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps in the system information transmission method according to any one of claims 1 to 5.
24. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps in the system information receiving method according to any of claims 6 to 10.
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| CN101610245B (en) * | 2008-06-19 | 2012-07-04 | 中兴通讯股份有限公司 | Method and device for receiving system messages as well as system message sending device |
| CN101621840A (en) * | 2008-07-03 | 2010-01-06 | 中兴通讯股份有限公司 | Sending method of system information |
| US20100110947A1 (en) * | 2008-11-03 | 2010-05-06 | Qualcomm Incorporated | Method and apparatus for sending system information in a wireless communication system |
| CN107371217A (en) * | 2016-05-13 | 2017-11-21 | 中兴通讯股份有限公司 | The transmission method and device of system message |
| CN107438265B (en) * | 2016-05-27 | 2019-12-10 | 北京佰才邦技术有限公司 | Method, device, base station and terminal for sending system information |
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