CN112770396B - Information processing method and equipment - Google Patents
Information processing method and equipment Download PDFInfo
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- CN112770396B CN112770396B CN201911067605.1A CN201911067605A CN112770396B CN 112770396 B CN112770396 B CN 112770396B CN 201911067605 A CN201911067605 A CN 201911067605A CN 112770396 B CN112770396 B CN 112770396B
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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
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
Abstract
The embodiment of the invention discloses an information processing method and equipment, which are used for solving the problems that a processing mechanism of received uplink scheduling information is not clear and the effectiveness of communication is affected when terminal equipment which is in a connection state and is out of step in uplink. The method comprises the following steps: under the condition that the terminal equipment is in a connection state and uplink is out of step, if a physical downlink control channel is received, the physical downlink control channel comprises first downlink control information and second downlink control information, and the first downlink control information and the second downlink control information are processed based on a preset rule; the first downlink control information is used for indicating first resources allocated in the uplink; the second downlink control information is used for indicating a second resource allocated in the downlink. The embodiment of the invention provides a solution for the processing mechanism of the terminal equipment and improves the communication effectiveness.
Description
Technical Field
The embodiment of the invention relates to the field of communication, in particular to a method and equipment for processing information.
Background
For the terminal equipment in the connection state, when two-step random access (2-step RACH) is triggered due to the arrival of uplink data and the uplink desynchronization, the terminal equipment sends MsgA to the network equipment; when the network device successfully receives the MsgA, the network device sends an MsgB to the terminal device.
The MsgB generally includes uplink timing information of the terminal device, which is used for uplink synchronization of the terminal device; meanwhile, the MsgB may also include uplink scheduling information, which is used for transmitting uplink data of the terminal device.
Because the processing delay of the uplink timing information is longer than that of the uplink scheduling information, when the terminal equipment receives the uplink scheduling information, the terminal equipment can consider that the terminal equipment is still in an uplink out-of-step state, and cannot determine how to process the uplink scheduling information, so that the effectiveness of communication is affected.
Disclosure of Invention
The embodiment of the invention aims to provide an information processing method and equipment, which are used for solving the problems that a received uplink scheduling information processing mechanism is ambiguous and the communication effectiveness is affected when terminal equipment which is in a connection state and is out of step in uplink.
In a first aspect, there is provided a method for processing information, the method being performed by a terminal device, the method comprising:
under the condition that the terminal equipment is in a connection state and uplink is out of step, if a physical downlink control channel is received, the physical downlink control channel comprises first downlink control information and second downlink control information, and the first downlink control information and the second downlink control information are processed based on a preset rule;
The first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink.
In a second aspect, there is provided a method for processing information, the method being performed by a terminal device, the method comprising:
under the condition that the terminal equipment is in a connection state and uplink is out of step, initiating a two-step random access process;
receiving MsgB, wherein the MsgB comprises uplink timing information and uplink scheduling information;
and processing the uplink timing information and the uplink scheduling information based on a preset rule.
In a third aspect, there is provided a method of processing information, the method being performed by a terminal device, the method comprising:
receiving a physical downlink control channel under the condition that the terminal equipment is in a connection state and uplink is out of step, wherein the physical downlink control channel comprises first downlink control information but does not comprise second downlink control information, or the physical downlink control channel comprises the second downlink control information but does not comprise the first downlink control information;
the first downlink control information is used for indicating first resources allocated in an uplink;
The second downlink control information is used for indicating a second resource allocated in a downlink.
In a fourth aspect, there is provided a method of processing information, the method being performed by a network device, the method comprising:
receiving MsgA, wherein the MsgA is sent when terminal equipment is in a connection state and uplink is out of step;
and sending an MsgB, wherein the MsgB comprises uplink timing information and uplink scheduling information, and the MsgB is used for processing the uplink timing information and the uplink scheduling information by the terminal equipment based on a preset rule.
In a fifth aspect, there is provided a method of processing information, the method being performed by a network device, the method comprising:
under the condition that the terminal equipment is in a connection state and uplink is out of step, a physical downlink control channel is sent, wherein the physical downlink control channel comprises first downlink control information but does not comprise second downlink control information, or the physical downlink control channel comprises the second downlink control information but does not comprise the first downlink control information;
the first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink.
In a sixth aspect, there is provided a terminal device comprising:
the processing module is used for processing the first downlink control information and the second downlink control information based on a preset rule if a physical downlink control channel is received under the condition that the terminal equipment is in a connection state and uplink is out of step, wherein the physical downlink control channel comprises the first downlink control information and the second downlink control information;
the first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink.
In a seventh aspect, there is provided a terminal device comprising:
a sending module, configured to initiate a two-step random access procedure when the terminal device is in a connection state and the uplink is out of step;
a receiving module, configured to receive an MsgB, where the MsgB includes uplink timing information and uplink scheduling information;
and the processing module is used for processing the uplink timing information and the uplink scheduling information based on a preset rule.
In an eighth aspect, there is provided a terminal device comprising:
a receiving module, configured to receive a physical downlink control channel when the terminal device is in a connection state and the uplink is out of step, where the physical downlink control channel includes first downlink control information but does not include second downlink control information, or the physical downlink control channel includes the second downlink control information but does not include the first downlink control information;
The first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink.
In a ninth aspect, there is provided a network side device, including:
the receiving module is used for receiving the MsgA, wherein the MsgA is sent when the terminal equipment is in a connection state and uplink is out of step;
the sending module is used for sending the MsgB, wherein the MsgB comprises uplink timing information and uplink scheduling information, and the MsgB is used for processing the uplink timing information and the uplink scheduling information based on a preset rule by the terminal equipment.
In a tenth aspect, there is provided a network side device, including:
a sending module, configured to send a physical downlink control channel when a terminal device is in a connection state and uplink is out of step, where the physical downlink control channel includes first downlink control information but does not include second downlink control information, or the physical downlink control channel includes the second downlink control information but does not include the first downlink control information;
the first downlink control information is used for indicating first resources allocated in an uplink;
The second downlink control information is used for indicating a second resource allocated in a downlink.
In an eleventh aspect, there is provided a terminal device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the method of processing information according to the first to third aspects when being executed by the processor.
In a twelfth aspect, there is provided a network device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the method of processing information according to the fourth and fifth aspects when executed by the processor.
In a thirteenth aspect, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the information processing method according to the first to fifth aspects.
In the embodiment of the invention, if the first downlink control information for indicating the first resource of uplink allocation and the second downlink control information for indicating the second resource of downlink allocation are received under the condition that the terminal equipment is in a connected state and uplink is out of step, the first downlink control information and the second downlink control information can be processed based on the preset rule.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic flow chart of a method of processing information according to one embodiment of the invention;
FIG. 2 is a schematic flow chart of a method of processing information according to another embodiment of the invention;
FIG. 3 is a schematic flow chart of a method of processing information according to yet another embodiment of the invention;
FIG. 4 is a schematic flow chart of a method of processing information according to yet another embodiment of the invention;
FIG. 5 is a schematic flow chart of a method of processing information according to a next embodiment of the invention;
fig. 6 is a schematic structural view of a terminal device according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a terminal device according to another embodiment of the present invention;
fig. 8 is a schematic structural view of a terminal device according to still another embodiment of the present invention;
fig. 9 is a schematic diagram of a network device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a network device according to another embodiment of the present invention;
Fig. 11 is a schematic structural view of a terminal device according to still another embodiment of the present invention;
fig. 12 is a schematic structural diagram of a network device according to still another embodiment of the present invention.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure. "and/or" in various embodiments of the present description means at least one of the former and latter.
It should be understood that the technical solution of the embodiment of the present invention may be applied to various communication systems, for example: a long term evolution (Long Term Evolution, LTE) system, an LTE frequency division duplex (Frequency Division Duplex, FDD) system, an LTE time division duplex (Time Division Duplex, TDD), a universal mobile telecommunications system (Universal Mobile Telecommunication System, UMTS) or worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, wiMAX) telecommunications system, a 5G system, or a New Radio (NR) system, or a subsequent evolution telecommunications system.
In an embodiment of the present invention, the Terminal device may include, but is not limited to, a Mobile Station (MS), a Mobile Terminal (Mobile Terminal), a Mobile phone (Mobile phone), a User Equipment (UE), a handset (handset), a portable device (portable Equipment), a vehicle (vehicle), and the like, and may communicate with one or more core networks via a radio access network (Radio Access Network, RAN), for example, the Terminal device may be a Mobile phone (or referred to as a "cellular" phone), a computer with a wireless communication function, and the like, and the Terminal device may also be a portable, pocket, hand-held, computer-built-in, or vehicle-mounted Mobile device.
In the embodiment of the invention, the network equipment is a device which is deployed in the wireless access network and used for providing a wireless communication function for the terminal equipment. The network device may be a base station, which may include various forms of macro base stations, micro base stations, relay stations, access points, and the like. In systems employing different radio access technologies, the names of devices with base station functionality may vary. For example, in LTE networks, referred to as Evolved nodebs (enbs or enodebs), in third generation (3rd Generation,3G) networks, referred to as Node bs (Node bs), or network devices in subsequent Evolved communication systems, etc., although the term is not limiting.
As shown in fig. 1, one embodiment of the present invention provides an information processing method 100 that can be performed by a terminal device, in other words, by software or hardware installed in the terminal device, the method comprising the steps of:
s102: and under the condition that the terminal equipment is in a connection state and uplink is out of step, if a physical downlink control channel is received, the physical downlink control channel comprises first downlink control information and second downlink control information, and the first downlink control information and the second downlink control information are processed based on a preset rule.
The first downlink control information is used for indicating first resources allocated in an uplink; the second downlink control information is used for indicating a second resource allocated in the downlink.
The physical downlink control channel may be (Physical Downlink Control Channel, PDCCH), but may be any other physical channel, and the embodiments described later herein may be described taking the physical downlink control channel is PDCCH as an example.
The first downlink control information and the second downlink control information may be (Downlink Control Information, DCI), and the subsequent embodiments of the present disclosure may be described by taking the first downlink control information as the first DCI (or DCI-1) and the second downlink control information as the second DCI (or DCI-2).
The first DCI is used for indicating a first resource allocated in an uplink. For example, the first DCI indicates Uplink scheduling (Uplink grant) for PUSCH transmission; or, the first DCI indicates an uplink resource for indicating uplink signal transmission such as a physical uplink control channel (Physical Uplink Control Channel, PUCCH), a sounding reference signal (Sounding Reference Signal, SRS), or the like.
The second DCI is used to indicate a second resource allocated in the downlink. For example, the second DCI indicates a downlink task (Downlink assignment) for reception of a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH), and the like.
The processing of the first downlink control information and the second downlink control information based on the preset rule mentioned in the step may specifically be processing the first downlink control information and the second downlink control information based on a protocol convention.
The processing of the first downlink control information and the second downlink control information based on the preset rule mentioned in this step includes, for example, one of the following:
1) And preferentially receiving the downlink data corresponding to the second resource, and then transmitting the uplink data corresponding to the first resource.
The receiving processing of the downlink data corresponding to the second resource according to the embodiments of the present disclosure may be an operation of receiving the downlink data on the second resource.
The sending processing of the uplink data corresponding to the first resource in the embodiments of the present disclosure may be generating a MAC layer protocol data unit (MAC PDU) based on the uplink allocated first resource.
2) Directly discarding sending processing of uplink data corresponding to the first resource; of course, the receiving process may also be performed on the downlink data corresponding to the second resource.
3) If the second downlink control information or the downlink data corresponding to the second resource comprises uplink timing information, transmitting the uplink data corresponding to the first resource; or (b)
And if the second downlink control information or the downlink data corresponding to the second resource does not comprise uplink timing information, discarding sending processing of the uplink data corresponding to the first resource.
4) The physical downlink control channel further comprises indication information, wherein the indication information is used for indicating whether the second downlink control information or downlink data corresponding to the second resource comprises uplink timing information;
if the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource includes the uplink timing information, sending the uplink data corresponding to the first resource; or (b)
And if the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource does not comprise the uplink timing information, discarding the transmission processing of the uplink data corresponding to the first resource.
In the information processing method provided by the embodiment of the invention, if the first downlink control information for indicating the uplink allocated first resource and the second downlink control information for indicating the downlink allocated second resource are received under the condition that the terminal equipment is in a connected state and uplink is out of step, the first downlink control information and the second downlink control information can be processed based on the preset rule.
To describe in detail the processing of the first downlink control information and the second downlink control information based on the preset rule mentioned in S102 of the above embodiment 100, the following description will be made with reference to several specific embodiments:
method one
And preferentially receiving the downlink data corresponding to the second resource, and then transmitting the uplink data corresponding to the first resource.
In this embodiment, the downlink data corresponding to the second resource may further include uplink timing information, so that after the terminal device preferentially performs receiving processing on the downlink data corresponding to the second resource, the terminal device may obtain the uplink timing information, and subsequently performing sending processing on the uplink data corresponding to the first resource includes:
And based on the uplink timing information, performing transmission processing on uplink data corresponding to the first resource. Specifically, for example, a MAC layer protocol data unit (MAC PDU) is generated based on the first resource, and the MAC PDU is transmitted based on the uplink timing information and the first resource.
In this embodiment, when the downlink data corresponding to the second resource does not include the uplink timing information, the terminal device may also discard sending processing for the uplink data corresponding to the first resource, for example, send the uplink data without using the first resource.
Method II
And discarding sending processing of the uplink data corresponding to the first resource.
For example, for the uplink grant scheduled by the first downlink control information, the terminal device directly gives up, so as to avoid the transmission loss of the uplink data caused by that the uplink grant is in an uplink out-of-step state after generating the uplink data.
Method III
If the second downlink control information or the downlink data corresponding to the second resource comprises uplink timing information, transmitting the uplink data corresponding to the first resource; wherein the uplink timing information is included in the second downlink control information or the downlink data corresponding to the second resource, which is agreed by a protocol.
Specifically, for example, when the terminal device is in a connection state and the Uplink is out of step, the protocol agrees that the terminal device must receive the Uplink timing information sent by the network master device, and then after the terminal device performs transmission processing on the Uplink data corresponding to the first resource (for example, a mac pdu is generated for the allocated Uplink grant and is ready to be sent on the PUSCH), the terminal device must have available Uplink timing information, so that the terminal device must be in an Uplink synchronization state. And the terminal equipment performs uplink signal transmission by using the uplink timing information after obtaining the uplink timing information sent by the network side (for example, the second downlink control information indicates the TA information received by the PDSCH corresponding to the downlink allocated second resource).
In this embodiment, the protocol may agree that the second downlink control information or the downlink data corresponding to the second resource includes the uplink timing information.
Method IV
The physical downlink control channel further includes indication information, where the indication information is used to indicate whether the second downlink control information or downlink data corresponding to the second resource includes uplink timing information.
Thus, the processing the first downlink control information and the second downlink control information based on the preset rule mentioned in S102 in the above embodiment includes:
If the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource includes the uplink timing information, sending the uplink data corresponding to the first resource; or (b)
And if the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource does not comprise the uplink timing information, discarding the transmission processing of the uplink data corresponding to the first resource.
The indication information may be included in the first downlink control information or may be included in the second downlink control information; additional indication information besides the first downlink control information and the second downlink control information in the physical downlink control channel is also possible. For example, the demodulation reference signal (De-Modulation Reference Signal, DMRS) indicates whether uplink timing information is included in the PDSCH of the second resource.
Based on the fourth method, the embodiment of the invention also provides a method for processing information, which can be executed by the network device and comprises the following steps:
and transmitting a physical downlink control channel, wherein the physical downlink control channel comprises first downlink control information and second downlink control information, the first downlink control information is used for indicating uplink allocated first resources, and the second downlink control information is used for indicating downlink allocated second resources, so that after receiving the physical downlink control channel, the terminal equipment can process the first downlink control information and the second downlink control information based on preset rules.
Optionally, the physical downlink channel sent by the network device further includes indication information, where the indication information is used to indicate whether the second downlink control information includes uplink timing information, or indicate whether the downlink data corresponding to the second resource includes uplink timing information.
For the terminal device, if the indication information indicates that the second downlink control information includes uplink timing information, or indicates that downlink data corresponding to the second resource includes uplink timing information, the terminal device may perform transmission processing on uplink data corresponding to the first resource; or (b)
If the indication information indicates that the second downlink control information does not include uplink timing information, or indicates that the downlink data corresponding to the second resource does not include uplink timing information, the terminal device may discard sending processing on the uplink data corresponding to the first resource.
It should be noted that, the method for processing information described in the foregoing embodiments of the present disclosure may be applied to a two-step random access procedure, and the aforementioned physical downlink control channel may be a PDCCH scrambled by a cell radio network temporary identifier (Cell Radio Network Temporary Identity, C-RNTI). The PDCCH schedules a downlink PDSCH through the second downlink control information, where the PDSCH includes an absolute uplink timing MAC CE (MAC Control Element) (i.e., absolute Timing Advance Command MAC CE) of the terminal device for uplink synchronization with the terminal device, and corresponds to the uplink timing information mentioned above; meanwhile, the PDCCH further comprises first downlink control information, and Uplink grant is provided for Uplink data transmission of the terminal equipment.
Thus, the receiving a physical downlink control channel mentioned in the foregoing embodiment includes: the MsgB is received in a two-step random access procedure, the MsgB comprising the physical downlink control channel as described above.
Based on the same inventive concept, another embodiment of the present invention provides a method for processing information, the method being performed by a terminal device, as shown in fig. 2, the method 200 comprising the steps of:
s202: and under the condition that the terminal equipment is in a connection state and uplink is out of step, initiating a two-step random access process.
The terminal equipment initiates a two-step random access process, which comprises the steps of sending MsgA to the network equipment; after successful reception of the MsgA, the network device may send an MsgB to the terminal device, the MsgB including the PDSCH scheduled by C-RNTI PDCCH.
S204: and receiving the MsgB, wherein the MsgB comprises uplink timing information and uplink scheduling information.
The MsgB includes a PDSCH scheduled by C-RNTI PDCCH, which includes uplink timing information and uplink scheduling information. The uplink scheduling information may be used to indicate the first resources allocated in the uplink, and the uplink scheduling information functions similarly to the first downlink control information in the previous embodiment.
S206: and processing the uplink timing information and the uplink scheduling information based on a preset rule.
The following description will take uplink grant information and uplink timing information as TA information as an example.
The above-mentioned MsgB format includes any one of the following:
format 1: TA information is placed before uplink grant information.
Specifically, for example, MAC CE-1 is TA information, MAC CE-2 is uplink grant information, and MAC CE-1 precedes MAC CE-2. For another example, the MAC CE-1 contains both TA information and uplink grant information, and the TA information is placed before the uplink grant information.
Format 2: the TA information is placed and up grant information.
Specifically, for example, MAC CE-1 is uplink grant information, MAC CE-2 is TA information, and MAC CE-1 precedes MAC CE-2. For another example, the MAC CE-1 contains both TA information and uplink grant information, after which the TA information is placed.
For format 1, the terminal device may process the TA information and the uplink grant information according to the coding (sequencing) order of the TA information and the uplink grant information.
Specifically, for example, the terminal device processes from the most significant bit (Most Significant Bit, MSB) to the least significant bit (Least Significant Bit, LSB) in the coding order of the MAC PDU, that is, processes the TA information first and processes the uplink grant information first, so that the terminal device can obtain uplink synchronization first.
For format 2, the terminal device may obtain that the MsgB includes TA information based on a protocol convention; or deriving that the MsgB includes TA information based on the indication information. The terminal device may further process the uplink grant information based on the TA information.
Specifically, for example, the terminal device may carry TA information according to an indication of the network device, for example, an explicit indication of the network device carries TA information or a protocol assignment (for example, the protocol assignment is an uplink out-of-step condition for the terminal device, and the TA information is necessarily carried as long as the uplink grant is carried, so as to process the uplink grant information.
In the information processing method provided by the embodiment of the invention, if the received MsgB comprises the uplink timing information and the uplink scheduling information under the condition that the terminal equipment is in a connection state and uplink is out of step, the uplink timing information and the uplink scheduling information can be processed based on the preset rule.
Based on the same inventive concept, another embodiment of the present invention provides a method for processing information, the method being performed by a terminal device, as shown in fig. 3, the method comprising the steps of:
s302: and receiving a physical downlink control channel under the condition that the terminal equipment is in a connection state and uplink is out of step, wherein the physical downlink control channel comprises first downlink control information but does not comprise second downlink control information, or comprises second downlink control information but does not comprise first downlink control information.
The first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink.
In this embodiment, for example, after the terminal device in the connection state sends MsgA to the network device for the 2-step RACH procedure, if the terminal device is in an uplink out-of-step state, for an MsgB message used for successful acknowledgement of the 2-step RACH, uplink scheduling information cannot be indicated at the same time when downlink scheduling information of the downlink MsgB message is issued.
Specifically, for example, when the network device schedules transmission of PDSCH through C-RNTI PDCCH, it is no longer possible to simultaneously transmit C-RNTI PDCCH scheduled PUSCH transmission.
In the information processing method provided by the embodiment of the invention, if the first downlink control information for indicating the first resource for uplink allocation is received under the condition that the terminal equipment is in a connected state and uplink is out of step, the second downlink control information for indicating the second resource for downlink allocation is not necessarily received at the same time; if the second downlink control information for indicating the second resource for downlink allocation is received, the first downlink control information for indicating the first resource for uplink allocation is not necessarily received at the same time.
The method of processing information according to the embodiment of the present invention is described in detail above with reference to fig. 1 to 3. A method of processing information according to another embodiment of the present invention will be described in detail with reference to fig. 4. It will be appreciated that the interaction of the network device with the terminal device described from the network device side is the same as the description of the terminal device side in the method shown in fig. 1 to 3, and the relevant description is omitted as appropriate to avoid repetition.
Fig. 4 is a schematic flow chart of an implementation of an information processing method according to an embodiment of the present invention, which can be applied to a network device side. As shown in fig. 4, the method 400 includes:
s402: receiving MsgA, wherein the MsgA is sent when terminal equipment is in a connection state and uplink is out of step;
s404: and sending an MsgB, wherein the MsgB comprises uplink timing information and uplink scheduling information, and the MsgB is used for processing the uplink timing information and the uplink scheduling information by the terminal equipment based on a preset rule.
In the information processing method provided by the embodiment of the invention, when the terminal equipment is in a connection state and uplink is out of step, the MsgB sent by the network equipment comprises uplink timing information and uplink scheduling information, and the terminal equipment can process the uplink timing information and the uplink scheduling information based on the preset rule.
Optionally, as an embodiment, the encoding of the uplink timing information precedes the encoding of the uplink scheduling information; the MsgB is configured to process the uplink timing information and the uplink scheduling information according to the coding sequence of the uplink timing information and the uplink scheduling information by using the terminal device.
Optionally, as an embodiment, the MsgB includes uplink timing information, where the MsgB includes the uplink timing information is agreed by a protocol; and the MsgB is used for processing the uplink scheduling information based on the uplink timing information by the terminal equipment.
Optionally, as an embodiment, the method 400 further includes:
transmitting indication information, wherein the indication information is used for indicating whether the MsgB comprises the uplink timing information;
and the MsgB is used for processing the uplink scheduling information based on the uplink timing information by the terminal equipment.
Optionally, as an embodiment, the encoding of the uplink timing information is subsequent to the encoding of the uplink scheduling information.
Fig. 5 is a schematic flow chart of an implementation of an information processing method according to an embodiment of the present invention, which can be applied to a network device side. As shown in fig. 5, the method 500 includes:
S502: under the condition that the terminal equipment is in a connection state and uplink is out of step, a physical downlink control channel is sent, wherein the physical downlink control channel comprises first downlink control information but does not comprise second downlink control information, or the physical downlink control channel comprises second downlink control information but does not comprise first downlink control information;
the first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink.
In the information processing method provided by the embodiment of the invention, when the terminal equipment is in a connection state and uplink is out of step, the network equipment sends the first downlink control information for indicating the first resource allocated in the uplink and does not necessarily send the second downlink control information for indicating the second resource allocated in the downlink at the same time; if the second downlink control information for indicating the second resource for downlink allocation is sent, the first downlink control information for indicating the first resource for uplink allocation is not necessarily sent at the same time.
The method of processing information according to the embodiment of the present invention is described in detail above with reference to fig. 1 to 5. The terminal device according to an embodiment of the present invention will be described in detail below with reference to fig. 6.
Fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 6, the terminal device 600 includes:
the processing module 602 may be configured to, when the terminal device is in a connected state and the uplink is out of step, process the first downlink control information and the second downlink control information based on a preset rule if a physical downlink control channel is received, where the physical downlink control channel includes the first downlink control information and the second downlink control information;
the first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink.
In the embodiment of the invention, if the first downlink control information for indicating the first resource of uplink allocation and the second downlink control information for indicating the second resource of downlink allocation are received under the condition that the terminal equipment is in a connected state and uplink is out of step, the first downlink control information and the second downlink control information can be processed based on the preset rule.
Optionally, as an embodiment, the processing module 602 may specifically be configured to:
and preferentially receiving the downlink data corresponding to the second resource, and then transmitting the uplink data corresponding to the first resource.
Optionally, as an embodiment, the downlink data includes uplink timing information, and the processing module 602 may specifically be configured to:
and based on the uplink timing information, performing transmission processing on uplink data corresponding to the first resource.
Optionally, as an embodiment, the downlink data does not include uplink timing information, and the processing module 602 may be further configured to:
and not using the first resource to send the uplink data.
Optionally, as an embodiment, the processing module 602 may specifically be configured to:
and discarding sending processing of the uplink data corresponding to the first resource.
Optionally, as an embodiment, the processing module 602 may specifically be configured to:
if the second downlink control information or the downlink data corresponding to the second resource comprises uplink timing information, transmitting the uplink data corresponding to the first resource;
Wherein the uplink timing information is included in the second downlink control information or the downlink data corresponding to the second resource, which is agreed by a protocol.
Optionally, as an embodiment, the physical downlink control channel further includes indication information, where the indication information is used to indicate whether the second downlink control information or downlink data corresponding to the second resource includes uplink timing information; the processing module 602 may specifically be configured to:
if the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource includes the uplink timing information, sending the uplink data corresponding to the first resource; or (b)
And if the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource does not comprise the uplink timing information, discarding the transmission processing of the uplink data corresponding to the first resource.
Optionally, as an embodiment, the processing module 602 may be specifically configured to receive an MsgB in a two-step random access procedure, where the MsgB includes the physical downlink control channel.
The terminal device 600 according to the embodiment of the present invention may refer to the flow of the method 100 corresponding to the embodiment of the present invention, and each unit/module in the terminal device 600 and the other operations and/or functions described above are respectively for implementing the corresponding flow in the method 100, and can achieve the same or equivalent technical effects, which are not described herein for brevity.
Fig. 7 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 7, the terminal device 700 includes:
the sending module 702 may be configured to initiate a two-step random access procedure when the terminal device is in a connected state and the uplink is out of step;
a receiving module 704, configured to receive an MsgB, where the MsgB includes uplink timing information and uplink scheduling information;
the processing module 706 may be configured to process the uplink timing information and the uplink scheduling information based on a preset rule.
In the terminal equipment provided by the embodiment of the invention, if the received MsgB comprises the uplink timing information and the uplink scheduling information under the condition that the terminal equipment is in a connection state and uplink is out of step, the uplink timing information and the uplink scheduling information can be processed based on the preset rule.
Optionally, as an embodiment, the processing module 706 may specifically be configured to:
processing the uplink timing information and the uplink scheduling information according to the coding sequence of the uplink timing information and the uplink scheduling information; wherein, the coding of the uplink timing information is before the coding of the uplink scheduling information.
Optionally, as an embodiment, the processing module 706 may specifically be configured to:
processing the uplink scheduling information based on the uplink timing information;
the terminal equipment is further configured to obtain, based on a protocol convention, that the MsgB includes the uplink timing information; or obtaining that the MsgB includes the uplink timing information based on the indication information.
Optionally, as an embodiment, the encoding of the uplink timing information is subsequent to the encoding of the uplink scheduling information.
The terminal device 700 according to the embodiment of the present invention may refer to the flow of the method 200 corresponding to the embodiment of the present invention, and each unit/module in the terminal device 700 and the other operations and/or functions described above are respectively for implementing the corresponding flow in the method 200, and can achieve the same or equivalent technical effects, which are not described herein for brevity.
Fig. 8 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 8, the terminal device 800 includes:
a receiving module 802, configured to receive a physical downlink control channel when the terminal device is in a connection state and the uplink is out of step, where the physical downlink control channel includes first downlink control information but does not include second downlink control information, or the physical downlink control channel includes the second downlink control information but does not include the first downlink control information;
The first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink.
In the terminal equipment provided by the embodiment of the invention, if the first downlink control information for indicating the first resource for uplink allocation is received under the condition that the terminal equipment is in a connected state and uplink is out of step, the second downlink control information for indicating the second resource for downlink allocation is not necessarily received at the same time; if the second downlink control information for indicating the second resource for downlink allocation is received, the first downlink control information for indicating the first resource for uplink allocation is not necessarily received at the same time.
The terminal device 800 according to the embodiment of the present invention may refer to the flow of the method 300 corresponding to the embodiment of the present invention, and each unit/module in the terminal device 800 and the other operations and/or functions described above are respectively for implementing the corresponding flow in the method 300, and can achieve the same or equivalent technical effects, which are not described herein for brevity.
Fig. 9 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in fig. 9, the network device 900 includes:
a receiving module 902, configured to receive MsgA, where the MsgA is sent when a terminal device is in a connected state and uplink is out of step;
the sending module 904 may be configured to send an MsgB, where the MsgB includes uplink timing information and uplink scheduling information, and the MsgB is configured to process the uplink timing information and the uplink scheduling information based on a preset rule by the terminal device.
In the embodiment of the invention, when the terminal equipment is in a connection state and uplink is out of step, the MsgB sent by the network equipment comprises uplink timing information and uplink scheduling information, and the terminal equipment can process the uplink timing information and the uplink scheduling information based on the preset rule.
Optionally, as an embodiment, the encoding of the uplink timing information precedes the encoding of the uplink scheduling information; the MsgB is configured to process the uplink timing information and the uplink scheduling information according to the coding sequence of the uplink timing information and the uplink scheduling information by using the terminal device.
Optionally, as an embodiment, the MsgB includes uplink timing information, where the MsgB includes the uplink timing information is agreed by a protocol; and the MsgB is used for processing the uplink scheduling information based on the uplink timing information by the terminal equipment.
Optionally, as an embodiment, the sending module 904 may be further configured to:
transmitting indication information, wherein the indication information is used for indicating whether the MsgB comprises the uplink timing information;
and the MsgB is used for processing the uplink scheduling information based on the uplink timing information by the terminal equipment.
Optionally, as an embodiment, the encoding of the uplink timing information is subsequent to the encoding of the uplink scheduling information.
The network device 900 according to the embodiment of the present invention may refer to the flow of the method 400 corresponding to the embodiment of the present invention, and each unit/module in the network device 900 and the other operations and/or functions described above are respectively for implementing the corresponding flow in the method 400, and can achieve the same or equivalent technical effects, which are not described herein for brevity.
Fig. 10 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in fig. 10, the network device 1000 includes:
A sending module 1002, configured to send a physical downlink control channel when a terminal device is in a connection state and goes out of synchronization, where the physical downlink control channel includes first downlink control information but does not include second downlink control information, or the physical downlink control channel includes the second downlink control information but does not include the first downlink control information;
the first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink.
In the information processing method provided by the embodiment of the invention, when the terminal equipment is in a connection state and uplink is out of step, the network equipment sends the first downlink control information for indicating the first resource allocated in the uplink and does not necessarily send the second downlink control information for indicating the second resource allocated in the downlink at the same time; if the second downlink control information for indicating the second resource for downlink allocation is sent, the first downlink control information for indicating the first resource for uplink allocation is not necessarily sent at the same time.
The network device 1000 according to the embodiment of the present invention may refer to the flow of the method 500 corresponding to the embodiment of the present invention, and each unit/module in the network device 1000 and the other operations and/or functions described above are respectively for implementing the corresponding flow in the method 500, and can achieve the same or equivalent technical effects, which are not described herein for brevity.
Various embodiments in this specification are described in an incremental manner, and each embodiment is generally described with emphasis on differences from the other embodiments, so that identical and similar parts of the various embodiments are referred to each other. For the device embodiments, the description is relatively simple, as it is substantially similar to the method embodiments, with reference to the partial description of the method embodiments being relevant.
Fig. 11 is a block diagram of a terminal device according to another embodiment of the present invention. The terminal apparatus 1100 shown in fig. 11 includes: at least one processor 1101, memory 1102, at least one network interface 1104, and a user interface 1103. The various components in terminal device 1100 are coupled together by bus system 1105. It is appreciated that bus system 1105 is used to implement the connected communications between these components. The bus system 1105 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration, the various buses are labeled as bus system 1105 in fig. 11.
The user interface 1103 may include, among other things, a display, a keyboard, a pointing device (e.g., a mouse, a trackball), a touch pad, or a touch screen, etc.
It will be appreciated that memory 1102 in embodiments of the invention can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DRRAM). The memory 1102 of the systems and methods described in embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In some implementations, the memory 1102 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set thereof: an operating system 11021 and application programs 11022.
The operating system 11021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application programs 11022 include various application programs such as a Media Player (Media Player), a Browser (Browser), and the like for realizing various application services. A program for implementing the method of the embodiment of the present invention may be included in the application program 11022.
In the embodiment of the present invention, the terminal device 1100 further includes: computer program stored on the memory 1102 and executable on the processor 1101, which when executed by the processor 1101 performs the steps of the method embodiment as any one of the method embodiments 100 to 300.
The method disclosed in the above embodiment of the present invention may be applied to the processor 1101 or implemented by the processor 1101. The processor 1101 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuitry in hardware in the processor 1101 or instructions in software. The processor 1101 described above may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a computer readable storage medium well known in the art such as random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, and the like. The computer readable storage medium is located in the memory 1102, and the processor 1101 reads information in the memory 1102 and performs the steps of the above method in combination with its hardware. Specifically, the computer readable storage medium has stored thereon a computer program which, when executed by the processor 1101, implements the steps of any one of the method embodiments 100 to 300 described above.
It is to be understood that the embodiments of the invention described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For a hardware implementation, the processing units may be implemented within one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processors (Digital Signal Processing, DSP), digital signal processing devices (DSP devices, DSPD), programmable logic devices (Programmable Logic Device, PLD), field programmable gate arrays (Field-Programmable Gate Array, FPGA), general purpose processors, controllers, microcontrollers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described in embodiments of the present invention may be implemented by modules (e.g., procedures, functions, and so on) that perform the functions described in embodiments of the present invention. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
The terminal device 1100 can implement each process implemented by the terminal device in the foregoing embodiment, and can achieve the same or equivalent technical effects, and for avoiding repetition, a description is omitted herein.
Referring to fig. 12, fig. 12 is a block diagram of a network device to which the embodiment of the present invention is applied, where details of the method 400 and the method 500 can be implemented, and achieve the same effects. As shown in fig. 12, the network apparatus 1200 includes: a processor 1201, a transceiver 1202, a memory 1203, and a bus interface, wherein:
in an embodiment of the present invention, the network device 1200 further includes: a computer program stored on the memory 1203 and executable on the processor 1201, which when executed by the processor 1201 performs the steps of any one of the method embodiments 400 and 500.
In fig. 12, a bus architecture may be comprised of any number of interconnected buses and bridges, and in particular, one or more processors represented by the processor 1201 and various circuits of memory represented by the memory 1203. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 1202 may be a number of elements, i.e., include a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium.
The processor 1201 is responsible for managing the bus architecture and general processing, and the memory 1203 may store data used by the processor 1201 in performing operations.
The embodiment of the present invention further provides a computer readable storage medium, on which a computer program is stored, where the computer program when executed by a processor implements each process of any one of the foregoing method embodiments 100 to 500, and the same technical effects can be achieved, and in order to avoid repetition, a detailed description is omitted herein. 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.
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 (9)
1. A method of processing information, the method being performed by a terminal device, the method comprising:
under the condition that the terminal equipment is in a connection state and uplink is out of step, if a physical downlink control channel is received, the physical downlink control channel comprises first downlink control information and second downlink control information, and the first downlink control information and the second downlink control information are processed based on a preset rule;
the first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink mode;
the processing the first downlink control information and the second downlink control information based on a preset rule includes: the downlink data corresponding to the second resource is preferentially received and then the uplink data corresponding to the first resource is transmitted; or alternatively, the first and second heat exchangers may be,
the physical downlink control channel further comprises indication information, wherein the indication information is used for indicating whether the second downlink control information or downlink data corresponding to the second resource comprises uplink timing information; the processing the first downlink control information and the second downlink control information based on a preset rule includes: if the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource includes the uplink timing information, sending the uplink data corresponding to the first resource; or if the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource does not include the uplink timing information, discarding sending processing of the uplink data corresponding to the first resource.
2. The method of claim 1, wherein the downlink data includes uplink timing information, and the sending the uplink data corresponding to the first resource includes:
and based on the uplink timing information, performing transmission processing on uplink data corresponding to the first resource.
3. The method of claim 1, wherein the downstream data does not include upstream timing information, the method further comprising:
and not using the first resource to send the uplink data.
4. The method of claim 1, wherein the processing the first downlink control information and the second downlink control information based on a preset rule further comprises:
and discarding sending processing of the uplink data corresponding to the first resource.
5. The method of claim 1, wherein the processing the first downlink control information and the second downlink control information based on a preset rule further comprises:
if the second downlink control information or the downlink data corresponding to the second resource comprises uplink timing information, transmitting the uplink data corresponding to the first resource;
Wherein the uplink timing information is included in the second downlink control information or the downlink data corresponding to the second resource, which is agreed by a protocol.
6. The method of claim 1, wherein the receiving a physical downlink control channel comprises:
and receiving MsgB in a two-step random access process, wherein the MsgB comprises the physical downlink control channel.
7. A terminal device, comprising:
the processing module is used for processing the first downlink control information and the second downlink control information based on a preset rule if a physical downlink control channel is received under the condition that the terminal equipment is in a connection state and uplink is out of step, wherein the physical downlink control channel comprises the first downlink control information and the second downlink control information;
the first downlink control information is used for indicating first resources allocated in an uplink;
the second downlink control information is used for indicating a second resource allocated in a downlink mode;
the processing module is used for: the downlink data corresponding to the second resource is preferentially received and then the uplink data corresponding to the first resource is transmitted; or alternatively, the first and second heat exchangers may be,
The physical downlink control channel further comprises indication information, wherein the indication information is used for indicating whether the second downlink control information or downlink data corresponding to the second resource comprises uplink timing information; the processing module is configured to send uplink data corresponding to the first resource if the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource includes the uplink timing information; or if the indication information indicates that the second downlink control information or the downlink data corresponding to the second resource does not include the uplink timing information, discarding sending processing of the uplink data corresponding to the first resource.
8. A terminal device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor implements the method of processing information according to any one of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, implements the method of processing information according to any one of claims 1 to 6.
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| CN108307413B (en) * | 2016-09-30 | 2023-06-30 | 华为技术有限公司 | Access method, terminal equipment and base station |
| CN109005585A (en) * | 2017-06-06 | 2018-12-14 | 华为技术有限公司 | The method and apparatus for sending uplink information |
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| CN101594672A (en) * | 2008-05-30 | 2009-12-02 | 大唐移动通信设备有限公司 | The method of method, system, device and transmission data that a kind of maintaining uplink is synchronous |
| CN101772180A (en) * | 2008-12-31 | 2010-07-07 | 中兴通讯股份有限公司 | Random access method and system |
| CN103260251A (en) * | 2012-02-17 | 2013-08-21 | 华为技术有限公司 | Data transmission method, base station and user equipment |
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