WO2019214498A1 - Dci传输方法、终端和基站 - Google Patents
Dci传输方法、终端和基站 Download PDFInfo
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- WO2019214498A1 WO2019214498A1 PCT/CN2019/085104 CN2019085104W WO2019214498A1 WO 2019214498 A1 WO2019214498 A1 WO 2019214498A1 CN 2019085104 W CN2019085104 W CN 2019085104W WO 2019214498 A1 WO2019214498 A1 WO 2019214498A1
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- short message
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/005—Transmission of information for alerting of incoming communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
- H04W68/025—Indirect paging
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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
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/50—Connection management for emergency connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
Definitions
- the present disclosure relates to the field of communications technologies, and in particular, to a Downlink Control Information (DCI) transmission method, a terminal, and a base station.
- DCI Downlink Control Information
- the status of the terminal in the New Radio (NR) system includes a connected state, an idle state, and an inactive state, and the update notification of the system information may be transmitted in a Physical Downlink Shared Channel (PDSCH), or
- the physical downlink control channel (PDCCH) is transmitted in the physical downlink control channel (PDCCH).
- PDSCH Physical Downlink Shared Channel
- PDCCH physical downlink control channel
- different channel transmission update notifications of system information are used, for example, an update notification of system information is transmitted in the PDSCH to ensure the performance of the idle state terminal, and The update notification of the system information is transmitted in the PDCCH to ensure the performance of the connected state terminal.
- the update notification of the system information needs to be transmitted in the PDSCH and the PDCCH respectively, the signaling transmission overhead is large.
- the embodiments of the present disclosure provide a DCI transmission method, a terminal, and a base station, to solve the problem that the signaling transmission overhead is large.
- an embodiment of the present disclosure provides a DCI transmission method, which is applied to a terminal, and includes:
- the DCI receives a DCI, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has the change of the paging message and the system information of the idle state terminal, otherwise, the DCI carries The scheduling information or the short message, the short message is used to indicate a change of the system information;
- an embodiment of the present disclosure provides a DCI transmission method, which is applied to a base station, and includes:
- the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has the change of the paging message and the system information of the idle state terminal, otherwise, the DCI carries The scheduling information or the short message, the short message is used to indicate a change of the system information;
- the DCI is transmitted in the PDCCH.
- an embodiment of the present disclosure provides a terminal, including:
- a receiving module configured to receive a DCI, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has a change of the paging message and the system information of the idle state terminal, otherwise, The DCI carries the scheduling information or the short message, and the short message is used to indicate a change of the system information;
- an obtaining module configured to acquire at least one of the scheduling information and the short message from the DCI.
- an embodiment of the present disclosure provides a base station, including:
- a generating module configured to generate a DCI, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has a change of the paging message and the system information of the idle state terminal, otherwise, The DCI carries the scheduling information or the short message, and the short message is used to indicate a change of the system information;
- a transmission module configured to transmit the DCI in a PDCCH.
- an embodiment of the present disclosure provides a terminal, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor.
- an embodiment of the present disclosure provides a base station, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor.
- the seventh aspect of the present disclosure provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, the terminal side DCI provided by the embodiment of the present disclosure is implemented.
- the DCI is received, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has the change of the paging message and the system information of the idle state terminal, otherwise
- the DCI carries the scheduling information or the short message, where the short message is used to indicate a change of the system information, and at least one of the scheduling information and the short message is obtained from the DCI. .
- Signaling overhead can be reduced.
- FIG. 1 is a structural diagram of a network system to which an embodiment of the present disclosure is applicable;
- FIG. 2 is a flowchart of a DCI transmission method according to an embodiment of the present disclosure
- FIG. 3 is a flowchart of another DCI transmission method according to an embodiment of the present disclosure.
- FIG. 4 is a schematic diagram of a DCI provided by an embodiment of the present disclosure.
- FIG. 5 is a schematic diagram of another DCI provided by an embodiment of the present disclosure.
- FIG. 6 is a schematic diagram of another DCI provided by an embodiment of the present disclosure.
- FIG. 7 is a schematic diagram of another DCI provided by an embodiment of the present disclosure.
- FIG. 8 is a flowchart of another DCI transmission method according to an embodiment of the present disclosure.
- FIG. 9 is a structural diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 10 is a structural diagram of a base station according to an embodiment of the present disclosure.
- FIG. 11 is a structural diagram of another terminal according to an embodiment of the present disclosure.
- FIG. 12 is a structural diagram of another base station according to an embodiment of the present disclosure.
- the words “exemplary” or “such as” are used to mean an example, illustration, or illustration. Any embodiment or design described as “exemplary” or “such as” in the embodiments of the disclosure should not be construed as being more optional or advantageous over other embodiments or designs. Rather, the use of the words “exemplary” or “such as” is intended to present the concepts in a particular manner.
- the DCI transmission method, terminal, and base station provided by the embodiments of the present disclosure may be applied to a wireless communication system.
- the wireless communication system may be a 5G system, or an Evolved Long Term Evolution (eLTE) system, or a subsequent evolved communication system.
- eLTE Evolved Long Term Evolution
- FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present disclosure.
- the terminal 11 and the base station 12 are included.
- the terminal 11 may be a user equipment (UE).
- UE user equipment
- other terminal-side devices such as a mobile phone, a tablet personal computer, a laptop computer, a personal digital assistant (PDA), a mobile Internet device (MID), or
- PDA personal digital assistant
- MID mobile Internet device
- a terminal device such as a wearable device, it should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present disclosure.
- the foregoing base station 12 may be a 4G base station, or a 5G base station, or a later version of a base station, or a base station in other communication systems, or a Node B, an evolved Node B, or other words in the field, as long as the same technology is achieved.
- the base station is not limited to a specific technical vocabulary.
- the foregoing base station 12 may be a primary base station (MN) or a secondary base station (SN). It should be noted that, in the embodiment of the present disclosure, only a 5G base station is taken as an example, but the specific type of the base station is not limited.
- FIG. 2 is a flowchart of a DCI transmission method according to an embodiment of the present disclosure. The method is applied to a terminal, where the terminal may be a connected state terminal, an idle state terminal, or an inactive terminal, as shown in FIG. 2 . Show, including the following steps:
- Step 201 Receive a DCI, where the DCI carries the PDSCH scheduling information (Paging PDSCH scheduling) and the short message of the paging message when the network has the change of the paging message and the system information of the idle state terminal. (short message), otherwise, the DCI carries the scheduling information or the short message, and the short message is used to indicate the change of the system information.
- the DCI carries the PDSCH scheduling information (Paging PDSCH scheduling) and the short message of the paging message when the network has the change of the paging message and the system information of the idle state terminal. (short message), otherwise, the DCI carries the scheduling information or the short message, and the short message is used to indicate the change of the system information.
- the receiving DCI may be that the DCI is received in the PDCCH, and specifically, the base station transmits the DCI in the PDCCH.
- the DCI When the network has a change of the paging message and the system information of the idle state terminal, the DCI carries the scheduling information and the short message of the PDSCH of the paging message. Otherwise, the DCI carries the scheduling information.
- the short message may be: when the network has a change of the paging message and the system information of the idle state terminal, the DCI carries the scheduling information and the short message, and when there is only the paging message to the idle terminal in the network, The DCI carries the scheduling information, and when there is only a change in the system information on the network, the DCI carries the short message.
- the base station may simultaneously or simultaneously need to send the change of the paging message and the system information, or the base station may send the paging message.
- the base station may send the paging message.
- the paging message may be a paging message to an idle state terminal or an inactive terminal, and the PDSCH of the paging message may also be referred to as a PDSCH corresponding to the paging message, and the scheduling information may include at least one of the following:
- Frequency domain resource information Frequency domain resource information, time domain resource information, virtual resource block (VRB) and physical resource block (PRB) mapping information, modulation and coding mode (modulation and The coding scheme, the transport block scaling (TB scaling), and the reserved bit (bit), wherein the TB scaling may be 2 bits, and the reserved bit may be 15 bits, but is not limited thereto.
- VRB virtual resource block
- PRB physical resource block
- the change of the system information may include at least one of a change of the conventional system information and a change of the system information of the public security.
- the remaining bits are reserved bits.
- the remaining bits here are bits remaining indicating changes in system information and changes in system information of public safety.
- the conventional system information may also be referred to as system information, and the conventional system information may refer to system information other than public safety system information.
- the system information of the above public safety may include at least one of an Earthquake and Tsunami Warning System (ETWS) information and a Commercial Mobile Alert Service (CMAS) information.
- EWS Earthquake and Tsunami Warning System
- CMAS Commercial Mobile Alert Service
- the short message may include M bits, which may be used to indicate a change of system information, and M is an integer greater than 0.
- the system information change may include at least one of the following:
- SIB System Information Block
- the change of the system information may also be referred to as a change of the system information.
- Step 202 Obtain at least one of the scheduling information and the short message from the DCI.
- the step may be: parsing (or demodulating) the DCI to obtain at least one of the scheduling information and the short message.
- the DCI carries the scheduling information and the short message
- the step 202 acquires the scheduling information and the short message.
- the message if the DCI carries the scheduling information or the short message, the step 202 obtains the scheduling information or the short message.
- the DCI when the scheduling information and the system information of the physical downlink shared channel PDSCH of the paging message exist simultaneously in the network, the DCI carries the scheduling information and the short message, so that system information can be realized at the same time.
- the scheduling information and the short message of the PDSCH carrying the paging message are carried in the DCI, so that the delay of the idle terminal paging can be reduced, and the idle state and the connected state can also be reduced. The delay of the terminal to obtain the system information update indication.
- the scheduling information or the short message of the PDSCH of the message may be paged in the DCI to implement the transmission of the scheduling information or the indication of the system information change.
- the scheduling information and the short message since at least one of the scheduling information and the short message is carried by the DCI, the requirements of the connected state terminal and the idle state terminal can be simultaneously satisfied, because both the connected state terminal and the idle state terminal can perform DCI on the DCI. demodulation.
- it can also be applied to the inactive state terminal, and the same beneficial effects can also be achieved.
- the scheduling information carried by the DCI may be referred to as a scheduling information domain, and the carried short message may be referred to as a short message domain.
- the DCI may further include a reserved domain, where the reserved domain includes reserved bits.
- the short message since the short message is used to indicate the change of the system information, the short message may also be referred to as another name, such as other names such as system information change indication information.
- a DCI is received, where the DCI carries at least one of scheduling information and a short message of a PDSCH of a paging message, where the short message is used to indicate a change of system information; from the DCI Obtaining at least one of the scheduling information and the short message.
- the signaling transmission overhead can be reduced, and the delay of reducing the idle state and the connected state terminal to obtain the system information update indication can also be achieved, and the effect of delaying the paging of the idle state terminal can also be reduced.
- FIG. 3 is a flowchart of another DCI transmission method according to an embodiment of the present disclosure. The method is applied to a terminal. As shown in FIG. 3, the method includes the following steps:
- Step 301 Receive a DCI, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has the change of the paging message and the system information of the idle state terminal. Otherwise, the The DCI carries the scheduling information or the short message, the short message is used to indicate the change of the system information, and the DCI further includes indication information, where the indication information is used to indicate content carried by the DCI.
- the indication information may be used to indicate whether the DCI carries the scheduling information, and/or whether to carry the short message.
- the terminal can know the content carried in the DCI through the indication information, and the terminal can demodulate the DCI according to the needs of the terminal, thereby achieving the effect of saving power consumption of the terminal. For example, if the indication information indicates that the short message is not carried in the DCI, and the connection state terminal does not need the scheduling information, the scheduling information may not be acquired to save terminal power consumption.
- the DCI includes a header field, where the header field includes the indication information
- the indication information indicates that the DCI carries at least one of the scheduling information and the short message
- a part of the indication information is used to indicate whether the DCI carries the scheduling information, and another part of the bit is used to indicate whether the DCI carries the short message.
- the indication information indicates that the DCI carries at least one of the scheduling information and the short message, and the indication information code point indicates that the DCI carries the scheduling information and the short message. At least one of the following, or the indication information indicates, by means of joint coding, that the DCI carries at least one of the scheduling information and the short message.
- the indication information may be N-bit indication information, and N is a positive integer. For example, N is 2, as shown in FIG. 4, the indication information is 10 indicating that the DCI carries the short message, and 01 indicates that the DCI carries the scheduling information, 11 The DCI is instructed to carry scheduling information and a short message.
- the indication information indicates that the DCI carries at least one of the scheduling information and the short message, so that the code point of the indication information may be saved, for example, only three code points are required to indicate the scheduling information and the short message. It is thus possible to reserve another code point (for example: 00) for later indication of other cases.
- a part of the foregoing indication information is used to indicate whether the DCI carries the scheduling information, and another part of the bit is used to indicate whether the DCI carries the short message, and the indication information includes two parts, a part It is used to indicate whether to carry the scheduling information, and whether another part carries the short message.
- the above indication information is N bits, and N is 2, as shown in FIG. 5, the first bit is used to indicate whether the carrier is short.
- the message indicates that when the first bit is 1, the message carries a short message, when it is 0, it indicates that the short message is not carried, and the second bit is used to indicate whether the device carries the scheduling information.
- the indication carries The scheduling information, when 0, indicates that the scheduling information is not carried. In this way, scheduling information and short messages can be indicated by special bits, so that complexity can be reduced.
- the location of the scheduling information and the short message in the DCI is not limited.
- the location may be as shown in FIG. 4 and FIG. 5, or the scheduling information may be in front, and the short message is in the Rear.
- the DCI includes a header domain (header domain) + a short message domain and/or a scheduling domain + a reserved domain of the Paging PDSCH, where the short message domain and/or the scheduling domain of the Paging PDSCH indicates that the DCI includes a short message. At least one of the domain and the scheduling domain.
- a header consisting of N bits (which can be jointly coded) is used to indicate which information is carried behind the header:
- the M bit is used to indicate a change in system information.
- the change of system information includes at least one of the following: whether all system information (refer to conventional system information) changes, whether all system information (including public safety system information) changes, and whether system information other than MIB changes, except Whether the system information outside the MIB and SIB1 changes, whether the per-SIB system information changes, whether the per-SI message system message changes, whether the public safety system information (CMAS and/or ETWS) changes, and the extra bits are reserved.
- K bit indicates scheduling information of the PDSCH carrying the paging message. Further, the scheduling information may carry indication information for indicating whether the paging message carries an indication of a change of system information, where K is an integer greater than or equal to 1.
- N 2 bits represents at least one of scheduling information and short messages, wherein code point 00 is reserved for later indication of other cases.
- the N bit in the header field is used to indicate which information is carried behind the header:
- 1 bit indicates whether there is a short message after the header
- 1 bit indicates whether there is scheduling information of the PDSCH corresponding to the paging message.
- the location of the short message and the PDSCH scheduling (Paging PDSCH scheduling) information of the paging message may be changed.
- the DCI carries the short message
- the indication information is used to indicate whether the DCI carries the scheduling information.
- the short message may be an M-bit, and the M is an integer greater than or equal to 1.
- M is an integer greater than or equal to 1.
- the indication information may be 1 bit.
- the indication 1 carries the scheduling information, and the indication 0 indicates that the scheduling information is not carried.
- the number of bits of the indication information is not limited.
- the indication information may be N bits, and N is an integer greater than or equal to 1.
- the indication information may be as shown in FIG. 6 , after the short message, before the scheduling information, but in the embodiment of the disclosure, the location of the short message and the scheduling information is not limited, and the location of the indication information is not used.
- the above indication information may be the last of the location DCI or before the reserved bit.
- the indication information since the indication information only needs to indicate whether the scheduling information is carried, the DCI overhead can be saved.
- the DCI includes a K1 bit, where the K1 bit is used to indicate the scheduling information, if the indication information indicates that the DCI carries the scheduling information, if The indication information indicates that the DCI does not carry the scheduling information, and the K1 bit is a reserved bit, and K1 is an integer greater than or equal to 1.
- the reserved bits of the DCI can be reasonably utilized to indicate the scheduling information, thereby reducing the overhead of the DCI, and the DCI is not required to be designed in a new format to achieve the effect of reducing complexity.
- the header field may be removed, and the DCI includes a short message domain + a scheduling indicator field and/or a scheduling domain + a reserved domain of the Paging PDSCH, where the scheduling indication field includes the foregoing indication information, indicating whether the DCI is carried. There is the scheduling information.
- the DCI may specifically include:
- M bit is used to indicate the change of system information, can refer to the M bit introduced in the above embodiment.
- the H1bit is used to indicate whether there is any scheduling information of the PDSCH carrying the Paging, and the H1 may be 1 bit.
- the K bit indicates the scheduling information of the PDSCH carrying the paging message. There is no need to reserve a code point of the Kbit to indicate that there is no such scheduling information. If the indication is not carried, all subsequent bits are reserved bits.
- the DCI includes a header field, where the header field includes the indication information, where the indication information is used to indicate that the DCI carries the short message and the scheduling information. If the DCI further carries the other of the short message and the scheduling information, indicating that the other one of the short message and the scheduling information is greater than a Kx bit in the DCI, where Kx is greater than Or an integer equal to 1.
- the header field may be used to indicate that the DCI carries the short message or the scheduling information, and when the DCI carries the short message and the scheduling information at the same time, the content not indicated by the header field is indicated by the Kx bit. Therefore, the overhead of DCI can be reduced because the header field can indicate that the DCI carries short messages or scheduling information by 1 bit. In addition, since another content is not indicated, this can also reduce the complexity of DCI.
- the K2 bit is used to indicate the scheduling information, If the K2 bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K2 is an integer greater than or equal to 1.
- the scheduling information is indicated by the K2 bit, or the DCI does not carry the scheduling information.
- the specific code point may be pre-configured, or defined in the protocol, or configured on the network side to the terminal, for example, the K2 bits are all 0s.
- the K2 bit is used to indicate the scheduling information, thereby saving the overhead of DCI, because no additional The bit indicates whether the schedule information is carried.
- the DCI may be implemented by: a header field + a short message field and/or a scheduling domain of the Paging PDSCH + an indication field + a reserved field.
- the indication field herein indicates that the above K2 bit is the specific code point.
- the time is K2 bits
- the scheduling field indicates that the above K2 bit is not the K2 bit when the specific code point is above.
- the above DCI may specifically include:
- the N1 bit header field indicates whether the short message or the PDSCH carrying the paging message carries the scheduling information.
- the K bit is used to indicate the scheduling information of the PDSCH carrying the paging message.
- the code point of the reserved K bit is used to indicate the scheduling information of the PDSCH that does not carry the paging message. For example, K bit 00000 is used to indicate that there is no PDSCH scheduling information carrying the paging message.
- the DCI includes a first indication bit, where the first indication bit is used to indicate whether the DCI is carried.
- the scheduling information wherein, if the first indication bit indicates that the DCI carries the scheduling information, the K3 bit in the DCI is used to indicate the scheduling information, and K3 is an integer greater than or equal to 1.
- the indication information indicates that the DCI carries the short message
- the first indication bit indicates whether the DCI carries the scheduling information, and if carried, the K3 bit is used to indicate the Scheduling information.
- the first indication bit may be 1 bit, for example, 1 indicates that the scheduling information is carried, and 0 indicates that the scheduling information is not carried.
- the number of bits and the position of the first indication bit are not limited.
- the first indication bit is used to specifically indicate whether the DCI carries the scheduling information, so that the complexity of the DCI can be reduced.
- the DCI may be implemented by: a header field + a short message domain and/or a scheduling domain of the Paging PDSCH + an indication domain + a reserved domain.
- DCI can specifically include:
- the N1 bit header field indicates whether the short message or the PDSCH scheduling information carrying the paging message is carried, such as 1 bit.
- the Kbit is used to indicate the scheduling information of the PDSCH carrying the paging message.
- the M1 bit in the DCI is used to indicate the short message, and M1 is an integer greater than or equal to 1.
- the indication information is only indicated by the indication information, and the overhead of the DCI can be reduced.
- the DCI may be implemented by: a header field + a short message domain and/or a scheduling domain + a reserved domain of the Paging PDSCH.
- DCI can specifically include:
- the N1 bit header indicates whether the short message or the PDSCH carrying the paging message carries the scheduling information.
- the M bit is used to indicate the update of the system information.
- the DCI includes a second indication bit, where the second indication bit is used to indicate whether the DCI carries The short message, wherein if the second indication bit indicates that the DCI carries the short message, the M2 bit in the DCI is used to indicate the short message, and M2 is an integer greater than or equal to 1. .
- the indication information indicates that the DCI carries the scheduling information
- the second indication bit indicates whether the DCI carries the short message, and if carried, the M2 bit is used to indicate the short message.
- the second indication bit may be 1 bit, for example, 1 indicates that the short message is carried, and 0 indicates that the short message is not carried.
- the number of bits and the position of the second indication bit are not limited.
- the second indication bit is used to specifically indicate whether the DCI carries the short message, so that the complexity of the DCI can be reduced.
- the DCI may be implemented by: a header field + a short message domain and/or a scheduling domain of the Paging PDSCH + an indication domain + a reserved domain.
- DCI can specifically include:
- the N1 bit header field indicates whether the short message or the PDSCH scheduling information carrying the paging message is carried, such as 1 bit.
- the M bit is used to indicate the update of the system information.
- Step 302 Obtain at least one of the scheduling information and the short message from the DCI.
- the DCI may not include the indication information in step 301.
- the DCI carries the short message, and the DCI further includes a K4 bit. If the K4 bit is not a specific code point, the K4 bit is used to indicate the location.
- the scheduling information if the K4 bit is the specific code point, indicates that the scheduling information is not carried in the DCI, and K4 is an integer greater than or equal to 1.
- the scheduling information is indicated by the K4 bit
- the K4 bit is the specific code point, indicating that the scheduling information is not carried in the DCI, thereby Can save the cost of DCI.
- the specific code point may be pre-configured by the terminal, or pre-defined in the protocol, or the network side is pre-configured to the terminal.
- the K4 bit is all 0.
- the header field may be removed, and the DCI includes: a short message domain and/or a scheduling domain + a reserved domain of the Paging PDSCH, for example, as shown in FIG. 7.
- the DCI may specifically include:
- the M bit is used to indicate the change of the system information, wherein the M bit herein can be referred to the description of the above embodiment, and details are not described herein.
- Kbit indicates scheduling information of the PDSCH carrying the paging message.
- a code point reserved for the Kbit is used to indicate that the PDSCH carrying the Paging message is not scheduled.
- Kbit all 00000 is used to indicate that there is no PDSCH scheduling information carrying the paging message.
- K, K1, K2, K3, K4, and Kx may be the same value, and may be different values.
- M1 and M2 may be the same value, and of course, may be different values, which is not limited thereto.
- the remaining bits in the foregoing DCI are reserved bits.
- the remaining bits herein may be bits that are not defined in the DCI in the embodiment of the present disclosure. For example: Reserved field shown in Figure 4 to Figure 7 (Reserved)
- the scheduling information or the DCI carries indication information, where the indication information is used to indicate whether the paging message carries a change indication of system information.
- the terminal can quickly determine whether the paging message carries the change indication of the system information, so as to improve the working efficiency of the terminal and reduce the delay.
- DCI can be implemented including but not limited to the following DCI format:
- the short message and/or the scheduling domain of the paging PDSCH indicates that the DCI includes at least one of a short message and a scheduling domain of the paging PDSCH.
- FIG. 8 is a flowchart of another DCI transmission method according to an embodiment of the present disclosure. The method is applied to a base station. As shown in FIG. 8, the method includes the following steps:
- Step 801 Generate a DCI, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has the change of the paging message and the system information of the idle state terminal. Otherwise, the The DCI carries the scheduling information or the short message, and the short message is used to indicate a change of the system information;
- Step 802 Transmit the DCI in a PDCCH.
- the DCI further includes indication information, where the indication information is used to indicate content carried by the DCI.
- the DCI includes a header field, where the header field includes the indication information
- the indication information indicates that the DCI carries at least one of the scheduling information and the short message
- a part of the indication information is used to indicate whether the DCI carries the scheduling information, and another part of the bit is used to indicate whether the DCI carries the short message.
- the DCI carries the short message, where the indication information is used to indicate whether the DCI carries the scheduling information.
- the DCI includes a K1 bit, where, if the indication information indicates that the DCI carries the scheduling information, the K1 bit is used to indicate the scheduling information, if the indication information indicates the The DCI does not carry the scheduling information, and the K1 bit is a reserved bit, and K1 is an integer greater than or equal to 1.
- the DCI includes a header field, where the header field includes the indication information, where the indication information is used to indicate that the DCI carries one of the short message and the scheduling information, if the DCI is And carrying another one of the short message and the scheduling information, and indicating another one of the short message and the scheduling information by a Kx bit in the DCI, where Kx is an integer greater than or equal to 1.
- the K2 bit is used to indicate the scheduling information, if the K2 If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K2 is an integer greater than or equal to 1; or
- the DCI includes a first indication bit, where the first indication bit is used to indicate whether the DCI carries the scheduling information, where The first indication bit indicates that the DCI carries the scheduling information, and the K3 bit in the DCI is used to indicate the scheduling information, and K3 is an integer greater than or equal to 1; or
- the M1 bit in the DCI is used to indicate the short message, and M1 is an integer greater than or equal to 1;
- the DCI includes a second indication bit, where the second indication bit is used to indicate whether the DCI carries the short message, where The second indication bit indicates that the DCI carries the short message, and the M2 bit in the DCI is used to indicate the short message, and M2 is an integer greater than or equal to 1.
- the DCI carries the short message, and the DCI further includes a K4 bit. If the K4 bit is not a specific code point, the K4 bit is used to indicate the scheduling information, if the K4 is If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K4 is an integer greater than or equal to 1.
- the remaining bits in the DCI are reserved bits.
- the change of the system information includes: at least one of a change of a conventional system information and a change of system information of a public security;
- the remaining bits are reserved bits.
- the scheduling information or the DCI carries indication information, where the indication information is used to indicate whether the paging message carries a change indication of system information.
- the embodiment is the implementation manner of the base station corresponding to the embodiment shown in FIG. 2 and FIG. 3 , and the specific implementation manners can be referred to the related embodiments of the embodiment shown in FIG. 2 and FIG. 3 , and the same is achieved.
- Advantageous effects, in order to avoid repeated explanation, will not be described here.
- FIG. 9 is a structural diagram of a terminal according to an embodiment of the present disclosure. As shown in FIG. 9, the terminal 900 includes:
- the receiving module 901 is configured to receive the DCI, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has the change of the paging message and the system information of the idle state terminal, otherwise
- the DCI carries the scheduling information or the short message, where the short message is used to indicate a change of the system information;
- the obtaining module 902 is configured to obtain at least one of the scheduling information and the short message from the DCI.
- the DCI further includes indication information, where the indication information is used to indicate content carried by the DCI.
- the DCI includes a header field, where the header field includes the indication information
- the indication information indicates that the DCI carries at least one of the scheduling information and the short message
- a part of the indication information is used to indicate whether the DCI carries the scheduling information, and another part of the bit is used to indicate whether the DCI carries the short message.
- the DCI carries the short message, where the indication information is used to indicate whether the DCI carries the scheduling information.
- the DCI includes a K1 bit, where, if the indication information indicates that the DCI carries the scheduling information, the K1 bit is used to indicate the scheduling information, if the indication information indicates the The DCI does not carry the scheduling information, and the K1 bit is a reserved bit, and K1 is an integer greater than or equal to 1.
- the DCI includes a header field, where the header field includes the indication information, where the indication information is used to indicate that the DCI carries one of the short message and the scheduling information, if the DCI is And carrying another one of the short message and the scheduling information, and indicating another one of the short message and the scheduling information by a Kx bit in the DCI, where Kx is an integer greater than or equal to 1.
- the K2 bit is used to indicate the scheduling information, if the K2 If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K2 is an integer greater than or equal to 1; or
- the DCI includes a first indication bit, where the first indication bit is used to indicate whether the DCI carries the scheduling information, where The first indication bit indicates that the DCI carries the scheduling information, and the K3 bit in the DCI is used to indicate the scheduling information, and K3 is an integer greater than or equal to 1; or
- the M1 bit in the DCI is used to indicate the short message, and M1 is an integer greater than or equal to 1;
- the DCI includes a second indication bit, where the second indication bit is used to indicate whether the DCI carries the short message, where The second indication bit indicates that the DCI carries the short message, and the M2 bit in the DCI is used to indicate the short message, and M2 is an integer greater than or equal to 1.
- the DCI carries the short message, and the DCI further includes a K4 bit. If the K4 bit is not a specific code point, the K4 bit is used to indicate the scheduling information, if the K4 is If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K4 is an integer greater than or equal to 1.
- the remaining bits in the DCI are reserved bits.
- the change of the system information includes: at least one of a change of a conventional system information and a change of system information of a public security;
- the remaining bits are reserved bits.
- the scheduling information or the DCI carries indication information, where the indication information is used to indicate whether the paging message carries a change indication of system information.
- the terminal provided by the embodiment of the present disclosure can implement various processes implemented by the terminal in the method embodiments of FIG. 2 and FIG. 3, and to avoid repetition, details are not described herein, and the signaling transmission overhead can be reduced, and the idle state and the connection can also be reduced.
- the state terminal acquires the delay of the system information update indication, and can also reduce the effect on the delay of the idle state terminal paging.
- FIG. 10 is a structural diagram of a base station according to an embodiment of the present disclosure. As shown in FIG. 10, the base station 1000 includes:
- the generating module 1001 is configured to generate a DCI, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has the change of the paging message and the system information of the idle state terminal, otherwise
- the DCI carries the scheduling information or the short message, where the short message is used to indicate a change of the system information;
- the transmitting module 1002 is configured to transmit the DCI in the PDCCH.
- the DCI further includes indication information, where the indication information is used to indicate content carried by the DCI.
- the DCI includes a header field, where the header field includes the indication information
- the indication information indicates that the DCI carries at least one of the scheduling information and the short message
- a part of the indication information is used to indicate whether the DCI carries the scheduling information, and another part of the bit is used to indicate whether the DCI carries the short message.
- the DCI carries the short message, where the indication information is used to indicate whether the DCI carries the scheduling information.
- the DCI includes a K1 bit, where, if the indication information indicates that the DCI carries the scheduling information, the K1 bit is used to indicate the scheduling information, if the indication information indicates the The DCI does not carry the scheduling information, and the K1 bit is a reserved bit, and K1 is an integer greater than or equal to 1.
- the DCI includes a header field, where the header field includes the indication information, where the indication information is used to indicate that the DCI carries one of the short message and the scheduling information, if the DCI is And carrying another one of the short message and the scheduling information, and indicating another one of the short message and the scheduling information by a Kx bit in the DCI, where Kx is an integer greater than or equal to 1.
- the K2 bit is used to indicate the scheduling information, if the K2 If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K2 is an integer greater than or equal to 1; or
- the DCI includes a first indication bit, where the first indication bit is used to indicate whether the DCI carries the scheduling information, where The first indication bit indicates that the DCI carries the scheduling information, and the K3 bit in the DCI is used to indicate the scheduling information, and K3 is an integer greater than or equal to 1; or
- the M1 bit in the DCI is used to indicate the short message, and M1 is an integer greater than or equal to 1;
- the DCI includes a second indication bit, where the second indication bit is used to indicate whether the DCI carries the short message, where The second indication bit indicates that the DCI carries the short message, and the M2 bit in the DCI is used to indicate the short message, and M2 is an integer greater than or equal to 1.
- the DCI carries the short message, and the DCI further includes a K4 bit. If the K4 bit is not a specific code point, the K4 bit is used to indicate the scheduling information, if the K4 is If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K4 is an integer greater than or equal to 1.
- the remaining bits in the DCI are reserved bits.
- the change of the system information includes: at least one of a change of a conventional system information and a change of system information of a public security;
- the remaining bits are reserved bits.
- the scheduling information or the DCI carries indication information, where the indication information is used to indicate whether the paging message carries a change indication of system information.
- the base station provided by the embodiment of the present disclosure can implement various processes implemented by the base station in the method embodiment of FIG. 8. To avoid repetition, details are not described herein, and the signaling transmission overhead can be reduced, and the idle state and the connected state terminal can also be reduced. The delay of the system information update indication, and also the effect of delaying the paging of the idle state terminal.
- FIG. 11 is a schematic structural diagram of hardware of a terminal that implements various embodiments of the present disclosure.
- the terminal 1100 includes, but is not limited to, a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, a processor 1110, and a power supply. 1111 and other components. It will be understood by those skilled in the art that the terminal structure shown in Fig. 11 does not constitute a limitation of the terminal, and the terminal may include more or less components than those illustrated, or some components may be combined, or different component arrangements. In the embodiments of the present disclosure, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle terminal, a wearable device, and a pedometer.
- the radio frequency unit 1101 is configured to receive the DCI, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has the change of the paging message and the system information of the idle state terminal, otherwise
- the DCI carries the scheduling information or the short message, where the short message is used to indicate a change of the system information;
- the processor 1110 is configured to obtain at least one of the scheduling information and the short message from the DCI.
- the DCI further includes indication information, where the indication information is used to indicate content carried by the DCI.
- the DCI includes a header field, where the header field includes the indication information
- the indication information indicates that the DCI carries at least one of the scheduling information and the short message
- a part of the indication information is used to indicate whether the DCI carries the scheduling information, and another part of the bit is used to indicate whether the DCI carries the short message.
- the DCI carries the short message, where the indication information is used to indicate whether the DCI carries the scheduling information.
- the DCI includes a K1 bit, where, if the indication information indicates that the DCI carries the scheduling information, the K1 bit is used to indicate the scheduling information, if the indication information indicates the The DCI does not carry the scheduling information, and the K1 bit is a reserved bit, and K1 is an integer greater than or equal to 1.
- the DCI includes a header field, where the header field includes the indication information, where the indication information is used to indicate that the DCI carries one of the short message and the scheduling information, if the DCI is And carrying another one of the short message and the scheduling information, and indicating another one of the short message and the scheduling information by a Kx bit in the DCI, where Kx is an integer greater than or equal to 1.
- the K2 bit is used to indicate the scheduling information, if the K2 If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K2 is an integer greater than or equal to 1; or
- the DCI includes a first indication bit, where the first indication bit is used to indicate whether the DCI carries the scheduling information, where The first indication bit indicates that the DCI carries the scheduling information, and the K3 bit in the DCI is used to indicate the scheduling information, and K3 is an integer greater than or equal to 1; or
- the M1 bit in the DCI is used to indicate the short message, and M1 is an integer greater than or equal to 1;
- the DCI includes a second indication bit, where the second indication bit is used to indicate whether the DCI carries the short message, where The second indication bit indicates that the DCI carries the short message, and the M2 bit in the DCI is used to indicate the short message, and M2 is an integer greater than or equal to 1.
- the DCI carries the short message, and the DCI further includes a K4 bit. If the K4 bit is not a specific code point, the K4 bit is used to indicate the scheduling information, if the K4 is If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K4 is an integer greater than or equal to 1.
- the remaining bits in the DCI are reserved bits.
- the change of the system information includes: at least one of a change of a conventional system information and a change of system information of a public security;
- the remaining bits are reserved bits.
- the scheduling information or the DCI carries indication information, where the indication information is used to indicate whether the paging message carries a change indication of system information.
- the foregoing terminal can reduce the signaling transmission overhead, and can also achieve the delay of reducing the idle state and the connected state terminal to obtain the system information update indication, and can also reduce the delay of the idle state terminal paging.
- the radio frequency unit 1101 can be used for receiving and transmitting signals during the transmission and reception of information or during a call, and specifically, after receiving downlink data from the base station, processing the processor 1110; The uplink data is sent to the base station.
- radio frequency unit 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 radio unit 1101 can also communicate with the network and other devices through a wireless communication system.
- the terminal provides the user with wireless broadband Internet access through the network module 1102, such as helping the user to send and receive emails, browse web pages, and access streaming media.
- the audio output unit 1103 can convert the audio data received by the radio frequency unit 1101 or the network module 1102 or stored in the memory 1109 into an audio signal and output as a sound. Moreover, the audio output unit 1103 can also provide audio output (eg, call signal reception sound, 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 for receiving an audio or video signal.
- the input unit 1104 may include a graphics processing unit (GPU) 11041 and a microphone 11042, and the graphics processor 11041 images an still picture or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode.
- the data is processed.
- the processed image frame can be displayed on the display unit 1106.
- the image frames processed by the graphics processor 11041 may be stored in the memory 1109 (or other storage medium) or transmitted via the radio unit 1101 or the network module 1102.
- the microphone 11042 can receive sound and can process such sound as audio data.
- the processed audio data can be converted to a format output that can be transmitted to the mobile communication base station via the radio unit 1101 in the case of a telephone call mode.
- Terminal 1100 also includes at least one type of sensor 1105, such as a light sensor, motion sensor, and other sensors.
- 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 the ambient light, and the proximity sensor can close the display panel 11061 and/or when the terminal 1100 moves to the ear. Or backlight.
- the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
- sensor 1105 may also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be described here.
- the display unit 1106 is for displaying information input by the user or information provided to the user.
- the display unit 1106 can include a display panel 11061, and the display panel 11061 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
- LCD liquid crystal display
- OLED organic light-emitting diode
- the user input unit 1107 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal.
- 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, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like on the touch panel 11071 or near the touch panel 11071. operating).
- the touch panel 11071 may include two parts of a touch detection device and a touch controller.
- the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
- the processor 1110 receives the commands from the processor 1110 and executes them.
- the touch panel 11071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
- the user input unit 1107 may also include other input devices 11072.
- other input devices 11072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control button, a switch button, etc.), a trackball, a mouse, and a joystick, which are not described herein.
- the touch panel 11071 can be overlaid on the display panel 11061. After the touch panel 11071 detects a touch operation thereon or nearby, the touch panel 11071 transmits to the processor 1110 to determine the type of the touch event, and then the processor 1110 according to the touch. The type of event provides a corresponding visual output on display panel 11061.
- the touch panel 11071 and the display panel 11061 are used as two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 11071 and the display panel 11061 may be integrated. The input and output functions of the terminal are implemented, and are not limited herein.
- the interface unit 1108 is an interface in which an external device is connected to the terminal 1100.
- the external device 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, and an audio input/output. (I/O) port, video I/O port, headphone port, and more.
- the interface unit 1108 can be configured to receive input from an external device (eg, data information, power, etc.) and transmit the received input to one or more components within the terminal 1100 or can be used at the terminal 1100 and external devices Transfer data between.
- an external device eg, data information, power, etc.
- Memory 1109 can be used to store software programs as well as various data.
- the memory 1109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
- memory 1109 can include high speed random access memory, and can 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, which connects various parts of the entire terminal using various interfaces and lines, and executes by executing or executing software programs and/or modules stored in the memory 1109, and calling data stored in the memory 1109.
- the processor 1110 may include one or more processing units; optionally, the processor 1110 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application, etc., and a modulation solution
- the processor mainly handles wireless communication. It can be understood that the above modem processor may not be integrated into the processor 1110.
- the terminal 1100 may further include a power source 1111 (such as a battery) for supplying power to each component.
- a power source 1111 such as a battery
- the power source 1111 may be logically connected to the processor 1110 through a power management system to manage charging, discharging, and power management through the power management system. And other functions.
- terminal 1100 includes some functional modules not shown, and details are not described herein again.
- an embodiment of the present disclosure further provides a terminal, including a processor 1110, a memory 1109, a computer program stored on the memory 1109 and executable on the processor 1110, when the computer program is executed by the processor 1110.
- a terminal including a processor 1110, a memory 1109, a computer program stored on the memory 1109 and executable on the processor 1110, when the computer program is executed by the processor 1110.
- FIG. 12 is a structural diagram of another base station according to an embodiment of the present disclosure.
- the base station 1200 includes: a processor 1201, a transceiver 1202, a memory 1203, and a bus interface, where:
- the processor 1201 is configured to generate a DCI, where the DCI carries the scheduling information and the short message of the PDSCH of the paging message when the network has the change of the paging message and the system information of the idle state terminal, otherwise
- the DCI carries the scheduling information or the short message, where the short message is used to indicate a change of the system information;
- the transceiver 1202 is configured to transmit the DCI in a PDCCH.
- the DCI further includes indication information, where the indication information is used to indicate content carried by the DCI.
- the DCI includes a header field, where the header field includes the indication information
- the indication information indicates that the DCI carries at least one of the scheduling information and the short message
- a part of the indication information is used to indicate whether the DCI carries the scheduling information, and another part of the bit is used to indicate whether the DCI carries the short message.
- the DCI carries the short message, where the indication information is used to indicate whether the DCI carries the scheduling information.
- the DCI includes a K1 bit, where, if the indication information indicates that the DCI carries the scheduling information, the K1 bit is used to indicate the scheduling information, if the indication information indicates the The DCI does not carry the scheduling information, and the K1 bit is a reserved bit, and K1 is an integer greater than or equal to 1.
- the DCI includes a header field, where the header field includes the indication information, where the indication information is used to indicate that the DCI carries one of the short message and the scheduling information, if the DCI is And carrying another one of the short message and the scheduling information, and indicating another one of the short message and the scheduling information by a Kx bit in the DCI, where Kx is an integer greater than or equal to 1.
- the K2 bit is used to indicate the scheduling information, if the K2 If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K2 is an integer greater than or equal to 1; or
- the DCI includes a first indication bit, where the first indication bit is used to indicate whether the DCI carries the scheduling information, where The first indication bit indicates that the DCI carries the scheduling information, and the K3 bit in the DCI is used to indicate the scheduling information, and K3 is an integer greater than or equal to 1; or
- the M1 bit in the DCI is used to indicate the short message, and M1 is an integer greater than or equal to 1;
- the DCI includes a second indication bit, where the second indication bit is used to indicate whether the DCI carries the short message, where The second indication bit indicates that the DCI carries the short message, and the M2 bit in the DCI is used to indicate the short message, and M2 is an integer greater than or equal to 1.
- the DCI carries the short message, and the DCI further includes a K4 bit. If the K4 bit is not a specific code point, the K4 bit is used to indicate the scheduling information, if the K4 is If the bit is the specific code point, it indicates that the scheduling information is not carried in the DCI, and K4 is an integer greater than or equal to 1.
- the remaining bits in the DCI are reserved bits.
- the change of the system information includes: at least one of a change of a conventional system information and a change of system information of a public security;
- the remaining bits are reserved bits.
- the scheduling information or the DCI carries indication information, where the indication information is used to indicate whether the paging message carries a change indication of system information.
- the foregoing base station can reduce the signaling transmission overhead, and can also achieve the delay of reducing the idle state and the connected state terminal to obtain the system information update indication, and can also reduce the delay of the idle state terminal paging.
- the transceiver 1202 is configured to receive and transmit data under the control of the processor 1201, and the transceiver 1202 includes at least two antenna ports.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 1201 and various circuits of memory represented by memory 1203.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 1202 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
- the user interface may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 1201 is responsible for managing the bus architecture and general processing, and the memory 1203 can store data used by the processor 1201 in performing operations.
- the embodiment of the present disclosure further provides a base station, including a processor 1201, a memory 1203, a computer program stored on the memory 1203 and executable on the processor 1201, when the computer program is executed by the processor 1201.
- a base station including a processor 1201, a memory 1203, a computer program stored on the memory 1203 and executable on the processor 1201, when the computer program is executed by the processor 1201.
- the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements each of the terminal side DCI transmission method embodiments provided by the embodiments of the present disclosure.
- the process, or the computer program is executed by the processor implements the processes of the DCI transmission method embodiment of the base station side provided by the embodiment of the present disclosure, and can achieve the same technical effect. To avoid repetition, details are not described herein again.
- the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
- the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
- Implementation Based on such understanding, the technical solution of the present disclosure, which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
- the instructions include a number of instructions for causing a terminal (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of the present disclosure.
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Abstract
Description
Claims (27)
- 一种下行控制信息DCI传输方法,应用于终端,包括:接收DCI,其中,在网络同时存在对空闲态终端的寻呼消息和***信息的变更时,所述DCI携带有所述寻呼消息的物理下行共享信道PDSCH的调度信息和短消息,否则,所述DCI携带有所述调度信息或者所述短消息,所述短消息用于指示所述***信息的变更;从所述DCI中获取所述调度信息和所述短消息中的至少一种。
- 如权利要求1所述的方法,其中,所述DCI还包括指示信息,所述指示信息用于指示所述DCI携带的内容。
- 如权利要求2所述的方法,其中,所述DCI包括头域,所述头域包括所述指示信息;其中,所述指示信息指示所述DCI携带有所述调度信息和所述短消息中的至少一种;或者所述指示信息中的一部分比特用于指示所述DCI是否携带有所述调度信息,另一部分比特用于指示所述DCI是否携带有所述短消息。
- 如权利要求2所述的方法,其中,所述DCI携带有所述短消息,所述指示信息用于指示所述DCI是否携带有所述调度信息。
- 如权利要求4所述的方法,其中,所述DCI包括K1比特,其中,若所述指示信息指示所述DCI携带有所述调度信息,则所述K1比特用于指示所述调度信息,若所述指示信息指示所述DCI未携带有所述调度信息,则所述K1比特为预留比特,K1为大于或者等于1的整数。
- 如权利要求2所述的方法,其中,所述DCI包括头域,所述头域包括所述指示信息,所述指示信息用于指示所述DCI携带有所述短消息和所述调度信息中的一个,若所述DCI还携带有所述短消息和所述调度信息中的另一个,则通过所述DCI中的Kx比特指示所述短消息和所述调度信息中的另一个,Kx为大于或者等于1的整数。
- 如权利要求6所述的方法,其中,若所述指示信息指示所述DCI携带有所述短消息,以及所述DCI中的 K2比特不为特定码点,所述K2比特用于指示所述调度信息,若所述K2比特为所述特定码点,则表示所述DCI中未携带有所述调度信息,K2为大于或者等于1的整数;或者若所述指示信息指示所述DCI携带有所述短消息,则所述DCI中包括第一指示比特,所述第一指示比特用于指示所述DCI是否携带有所述调度信息,其中,若所述第一指示比特指示所述DCI携带有所述调度信息,则所述DCI中的K3比特用于指示所述调度信息,K3为大于或者等于1的整数;或者若所述指示信息指示所述DCI携带有所述调度信息,则所述DCI中的M1比特用于指示所述短消息,M1为大于或者等于1的整数;或者若所述指示信息指示所述DCI携带有所述调度信息,则所述DCI中包括第二指示比特,所述第二指示比特用于指示所述DCI是否携带有所述短消息,其中,若所述第二指示比特指示所述DCI携带有所述短消息,则所述DCI的中的M2比特用于指示所述短消息,M2为大于或者等于1的整数。
- 如权利要求1所述的方法,其中,所述DCI携带有所述短消息,所述DCI还包括K4比特,若所述K4比特不为特定码点,则所述K4比特用于指示所述调度信息,若所述K4比特为所述特定码点,则表示所述DCI中未携带有所述调度信息,K4为大于或者等于1的整数。
- 如权利要求1至8中任一项所述的方法,其中,所述DCI中的剩余比特为预留比特。
- 如权利要求1至8中任一项所述的方法,其中,所述***信息的变更包括:常规***信息的变更和公共安全的***信息的变更中的至少一项;其中,若所述短消息存在剩余比特,则该剩余比特为预留比特。
- 如权利要求1至8中任一项所述的方法,其中,所述调度信息或者所述DCI中携带有指示信息,该指示信息用于指示所述寻呼消息是否携带***信息的变更指示。
- 一种DCI传输方法,应用于基站,包括:生成DCI,其中,在网络同时存在对空闲态终端的寻呼消息和***信息的变更时,所述DCI携带有所述寻呼消息的PDSCH的调度信息和短消息,否则,所述DCI携带有所述调度信息或者所述短消息,所述短消息用于指示 所述***信息的变更;在PDCCH中传输所述DCI。
- 如权利要求12所述的方法,其中,所述DCI还包括指示信息,所述指示信息用于指示所述DCI携带的内容。
- 如权利要求13所述的方法,其中,所述DCI包括头域,所述头域包括所述指示信息;其中,所述指示信息指示所述DCI携带有所述调度信息和所述短消息中的至少一种;或者所述指示信息中的一部分比特用于指示所述DCI是否携带有所述调度信息,另一部分比特用于指示所述DCI是否携带有所述短消息。
- 如权利要求13所述的方法,其中,所述DCI携带有所述短消息,所述指示信息用于指示所述DCI是否携带有所述调度信息。
- 如权利要求15所述的方法,其中,所述DCI包括K1比特,其中,若所述指示信息指示所述DCI携带有所述调度信息,则所述K1比特用于指示所述调度信息,若所述指示信息指示所述DCI未携带有所述调度信息,则所述K1比特为预留比特,K1为大于或者等于1的整数。
- 如权利要求13所述的方法,其中,所述DCI包括头域,所述头域包括所述指示信息,所述指示信息用于指示所述DCI携带有所述短消息和所述调度信息中的一个,若所述DCI还携带有所述短消息和所述调度信息中的另一个,则通过所述DCI中的Kx比特指示所述短消息和所述调度信息中的另一个,Kx为大于或者等于1的整数。
- 如权利要求17所述的方法,其中,若所述指示信息指示所述DCI携带有所述短消息,以及所述DCI中的K2比特不为特定码点,所述K2比特用于指示所述调度信息,若所述K2比特为所述特定码点,则表示所述DCI中未携带有所述调度信息,K2为大于或者等于1的整数;或者若所述指示信息指示所述DCI携带有所述短消息,则所述DCI中包括第一指示比特,所述第一指示比特用于指示所述DCI是否携带有所述调度信息,其中,若所述第一指示比特指示所述DCI携带有所述调度信息,则所述DCI 中的K3比特用于指示所述调度信息,K3为大于或者等于1的整数;或者若所述指示信息指示所述DCI携带有所述调度信息,则所述DCI中的M1比特用于指示所述短消息,M1为大于或者等于1的整数;或者若所述指示信息指示所述DCI携带有所述调度信息,则所述DCI中包括第二指示比特,所述第二指示比特用于指示所述DCI是否携带有所述短消息,其中,若所述第二指示比特指示所述DCI携带有所述短消息,则所述DCI的中的M2比特用于指示所述短消息,M2为大于或者等于1的整数。
- 如权利要求12所述的方法,其中,所述DCI携带有所述短消息,所述DCI还包括K4比特,若所述K4比特不为特定码点,则所述K4比特用于指示所述调度信息,若所述K4比特为所述特定码点,则表示所述DCI中未携带有所述调度信息,K4为大于或者等于1的整数。
- 如权利要求12至19中任一项所述的方法,其中,所述DCI中的剩余比特为预留比特。
- 如权利要求12至19中任一项所述的方法,其中,所述***信息的变更包括:常规***信息的变更和公共安全的***信息的变更中的至少一项;其中,若所述短消息存在剩余比特,则该剩余比特为预留比特。
- 如权利要求12至19中任一项所述的方法,其中,所述调度信息或者所述DCI中携带有指示信息,该指示信息用于指示所述寻呼消息是否携带***信息的变更指示。
- 一种终端,包括:接收模块,用于接收DCI,其中,在网络同时存在对空闲态终端的寻呼消息和***信息的变更时,所述DCI携带有所述寻呼消息的PDSCH的调度信息和短消息,否则,所述DCI携带有所述调度信息或者所述短消息,所述短消息用于指示所述***信息的变更;获取模块,用于从所述DCI中获取所述调度信息和所述短消息中的至少一种。
- 一种基站,包括:生成模块,用于生成DCI,其中,在网络同时存在对空闲态终端的寻呼消息和***信息的变更时,所述DCI携带有所述寻呼消息的PDSCH的调度 信息和短消息,否则,所述DCI携带有所述调度信息或者所述短消息,所述短消息用于指示所述***信息的变更;传输模块,用于在PDCCH中传输所述DCI。
- 一种终端,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求1至11中任一项所述的DCI传输方法中的步骤。
- 一种基站,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求12至22中任一项所述的DCI传输方法中的步骤。
- 一种计算机可读存储介质,存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至11中任一项所述的DCI传输方法的步骤,或者,所述计算机程序被处理器执行时实现如权利要求12至22中任一项所述的DCI传输方法的步骤。
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CN112399361B (zh) * | 2020-12-14 | 2021-12-31 | 武汉中软通科技有限公司 | 一种lte终端的无感知定位***和方法 |
WO2022126536A1 (zh) * | 2020-12-17 | 2022-06-23 | 北京小米移动软件有限公司 | 一种短消息获取方法、装置、用户设备及存储介质 |
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