CN111615204A - Method and terminal for processing random access message - Google Patents
Method and terminal for processing random access message Download PDFInfo
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- CN111615204A CN111615204A CN201910390323.9A CN201910390323A CN111615204A CN 111615204 A CN111615204 A CN 111615204A CN 201910390323 A CN201910390323 A CN 201910390323A CN 111615204 A CN111615204 A CN 111615204A
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- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The embodiment of the invention provides a method and a terminal for processing a random access message, wherein the method comprises the following steps: receiving an uplink cancel instruction; and if the resource indicated by the uplink cancellation instruction is overlapped with the resource of the random access message, canceling the transmission of the random access message. The embodiment of the invention can reduce transmission interference in a communication system.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a terminal for processing a random access message.
Background
At present, different types of uplink transmissions supported in a communication system share the same resource pool, for example: in a 5G communication system, Ultra-high Reliable Low Latency Communications (URLLC) and other uplink transmissions can be supported to share the same resource pool, and URLLC service transmission and other uplink transmissions are dynamically scheduled by network equipment for multiplexing. However, in the case that different types of uplink transmissions share the same resource pool, one uplink transmission may cause interference to another uplink transmission, resulting in relatively large transmission interference in the communication system.
Disclosure of Invention
The embodiment of the invention provides a method and a terminal for processing a random access message, which aim to solve the problem of large transmission interference in a communication system.
In a first aspect, an embodiment of the present invention provides a method for processing a random access message, where the method is applied to a terminal, and includes:
receiving an uplink cancel instruction;
and if the resource indicated by the uplink cancellation instruction is overlapped with the resource of the random access message, canceling the transmission of the random access message.
In a second aspect, an embodiment of the present invention provides a terminal, including:
the receiving module is used for receiving an uplink canceling instruction;
and the cancelling module is used for cancelling the transmission of the random access message if the resource indicated by the uplink cancelling instruction is overlapped with the resource of the random access message.
In a third aspect, an embodiment of the present invention provides a terminal, including: the random access message processing method comprises a memory, a processor and a program stored on the memory and capable of running on the processor, wherein the program realizes the steps in the random access message processing method provided by the embodiment of the invention when being executed by the processor.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements the steps in the method for processing a random access message provided in the embodiment of the present invention.
In the embodiment of the invention, an uplink cancel instruction is received; and if the resource indicated by the uplink cancellation instruction is overlapped with the resource of the random access message, canceling the transmission of the random access message. This can reduce transmission interference in the communication system since transmission of the random access message can be cancelled.
Drawings
Fig. 1 is a block diagram of a network system to which an embodiment of the present invention is applicable;
fig. 2 is a flowchart of a method for processing a random access message according to an embodiment of the present invention;
fig. 3 is a flowchart of another method for processing a random access message according to an embodiment of the present invention;
fig. 4 is a schematic diagram of downlink and uplink transmission provided by an embodiment of the present invention;
fig. 5 is a structural diagram of a terminal according to an embodiment of the present invention;
fig. 6 is a block diagram of another terminal provided in an embodiment of the present invention;
fig. 7 is a block diagram of another terminal according to an embodiment of the present invention;
fig. 8 is a block diagram of another terminal provided in an embodiment of the present invention;
fig. 9 is a block diagram of a network device according to an embodiment of the present invention;
fig. 10 is a block diagram of another network device provided by an embodiment of the present invention;
fig. 11 is a block diagram of another network device provided by an embodiment of the present invention;
fig. 12 is a block diagram of another network device provided by an embodiment of the present invention;
fig. 13 is a block diagram of another terminal provided in an embodiment of the present invention;
fig. 14 is a block diagram of another network device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "comprises," "comprising," or any other variation thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of "and/or" in the specification and claims means that at least one of the connected objects, such as a and/or B, means that three cases, a alone, B alone, and both a and B, exist.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
Embodiments of the present invention are described below with reference to the accompanying drawings. The method and the terminal for processing the random access message provided by the embodiment of the invention can be applied to a wireless communication system. The wireless communication system may be a 5G system, an Evolved Long Term Evolution (LTE) system, a subsequent Evolution communication system, or the like.
Referring to fig. 1, fig. 1 is a structural diagram of a network system to which an embodiment of the present invention is applicable, and as shown in fig. 1, the network system includes a terminal 11 and a network device 12, where the terminal 11 may be a User Equipment (UE) or other terminal-side devices, for example: it should be noted that, in the embodiment of the present invention, a specific type of the terminal 11 is not limited. The network device 12 may be a 4G base station, or a 5G base station, or a later-version base station, or a base station in another communication system, or referred to as a node B, an evolved node B, or a Transmission Reception Point (TRP), or an Access Point (AP), or another vocabulary in the field, and the network device is not limited to a specific technical vocabulary as long as the same technical effect is achieved. In addition, the network device 12 may be a Master Node (MN) or a Secondary Node (SN). It should be noted that, in the embodiment of the present invention, only the 5G base station is taken as an example, but the specific type of the network device is not limited.
Referring to fig. 2, fig. 2 is a flowchart of a method for processing a random access message according to an embodiment of the present invention, where the method is applied to a terminal, and as shown in fig. 2, the method includes the following steps:
The receiving of the uplink cancellation command may be receiving an uplink cancellation command sent by the network device. The network device may send the uplink cancellation instruction under the condition of multiplexing multiple uplink transmissions, for example: URLLC traffic is allocated into the resource pool of the random access message. Of course, the method is not limited to this, and may be determined according to the actual behavior of the network device.
The uplink cancel instruction indicates that there is a resource, and may be used to indicate that uplink transmission corresponding to the resource is canceled.
The resource indicated by the uplink cancellation instruction and the resource of the random access message may overlap, where the resource indicated by the uplink cancellation instruction and the resource of the random access message overlap wholly or partially.
In addition, the Random access message may include at least one of a Physical Random Access Channel (PRACH) and a Physical Uplink Shared Channel (PUSCH); the resource of the random access message may be a physical random access channel transmission opportunity (RO), where the RO may also be referred to as a physical random access channel opportunity (PRACH opportunity); alternatively, the resource of the random access message may be a resource that will be occupied by transmitting the random access message, and the embodiment of the present invention is not limited thereto.
The cancellation of the transmission of the random access message may be cancellation of all or part of the transmission of the random access message, for example: if the receiving time of the uplink canceling instruction is before the initial time of the random access message transmission, canceling all transmission of the random access message; another example is: and if the receiving time of the uplink cancellation instruction is after the starting time of the random access message transmission and before the ending time of the random access message transmission, canceling partial transmission of the random access message. Another example is: if the time interval from the end position of the time domain resource where the uplink cancellation instruction is detected to any symbol resource of the time slot where the random access message is transmitted is smaller than a preset threshold value, the terminal does not cancel the transmission of the random access message before the symbol resource; the terminal cancels the transmission of the remaining random access message starting from the symbol resource.
In addition, in step 202, when the terminal performs the random access process, if the resource indicated by the uplink cancellation instruction overlaps with the resource of the random access message, the transmission of the random access message may be cancelled.
In the embodiment of the present invention, since the transmission of the random access message can be cancelled, the transmission interference in the communication system can be reduced, for example: and the interference of the random access message to the URLLC service or other uplink services is reduced.
As an optional implementation manner, the resource indicated by the uplink cancellation instruction is a time domain resource, and the resource of the random access message is a time domain resource; or
The resource indicated by the uplink cancel instruction is a frequency domain resource, and the resource of the random access message is a frequency domain resource.
In this embodiment, if the time domain resource indicated by the uplink cancellation instruction overlaps with the time domain resource of the random access message, the transmission of the random access message may be cancelled; and canceling the transmission of the random access message if the frequency domain resource indicated by the uplink canceling instruction is overlapped with the frequency domain resource of the random access message.
It should be noted that, in the embodiment of the present invention, the cancelled random access message may be a random access message for canceling a specific random access procedure, that is, in the embodiment of the present invention, when the resource indicated by the uplink cancellation instruction overlaps with the resource of the random access message, only transmission of the random access message in the specific random access procedure may be cancelled, and when the resource indicated by the uplink cancellation instruction overlaps with the resource of the random access message, transmission of the random access message in another random access procedure may be allowed.
For example: the random access message may include:
a random access message of a non-contention random access procedure; or
A random access message of a random access procedure triggered by a Physical Downlink Control Channel (PDCCH) instruction.
Wherein, the random access message includes a random access message of a non-contention random access process, and it can be understood that, in step 202, the transmission of the random access message is cancelled when the resource indicated by the uplink cancellation instruction overlaps with the resource of the random access message and the random access message is the random access message of the non-contention random access process; the random access message includes a random access message of a random access procedure triggered by the PDCCH instruction, and it is understood that, in step 202, the transmission of the random access message may be cancelled in a case that the resource indicated by the uplink cancellation instruction overlaps with the resource of the random access message, and the random access message is the random access message of the random access procedure triggered by the PDCCH instruction.
Therefore, the random access message in the non-competitive random access process can be cancelled under the condition that the resource indicated by the uplink cancellation instruction is overlapped with the resource of the random access message; or, in the case that the resource indicated by the uplink cancellation instruction overlaps with the resource of the random access message, canceling the random access message of the random access procedure triggered by the PDCCH instruction.
Of course, in the embodiment of the present invention, it is not limited to cancel only the random access message of the non-contention random access procedure and the random access message of the random access procedure triggered by the PDCCH instruction, for example: in the embodiment of the present invention, when the resource indicated by the uplink cancellation instruction overlaps with the resource of the random access message, the following random access message may also be cancelled:
a random access message of a System Information request (SI-request); or
A random access message of a random access procedure of a contention-based beam failure recovery (beam failure recovery); or
A random access message of a random access procedure based on non-contention beam failure recovery (beam failure recovery); or
A random access message of a random access procedure during cell handover; or
A random access message serving as a Scheduling request (Scheduling request); or
Random access message of a random access procedure initiated on a Secondary Cell (SCell).
Further, after receiving the uplink cancel instruction, the method may further include:
and transmitting the random access message of the competitive random access process under the condition that the time domain resource indicated by the uplink cancellation instruction is overlapped with the time domain resource of the random access message of the competitive random access process.
In this embodiment, when the time domain resource indicated by the uplink cancellation instruction overlaps with the time domain resource of the random access message in the contention random access process, the random access message in the contention random access process is transmitted without canceling the random access message in the contention random access process, so as to ensure the service performance of the terminal.
As an optional implementation manner, after canceling the transmission of the random access message, the method further includes:
notifying a higher layer of the terminal of a pause counter and/or sending a notification message for a pause counter.
The sending of the notification message for suspending the counter may be sending to a network device, so as to notify the network device to suspend the counter for the terminal.
In one embodiment, the notification message may be: a media access Control Element (MAC CE) or Uplink Control Information (UCI).
This may enable the notification of the pause counter by the MAC CE or UCI.
In another mode, the notification message may be sent through a random access resource of a random access procedure. For example: and sending the notification message through the random access resource of the 2-step random access process. The method can directly send the notification message through the random access resources in the random access process, so that the resource overhead can be saved.
It should be noted that, if the network device is not notified to suspend the counter, the terminal may also notify the network device in the form of the notification message that the terminal cancels the random access message.
In addition, the counter may be a counter associated with the cancelled random access message.
Further, the counter may include at least one of:
a transmit power COUNTER (power ramping COUNTER), a PREAMBLE transmit COUNTER (PREAMBLE _ TRANSMISSION _ COUNTER), and a COUNTER for random access message TRANSMISSION.
In addition, after notifying the higher layer pause counter of the terminal, the method further includes:
the counter is paused.
In the above embodiment, since the higher layer suspend counter of the terminal is notified and/or the notification message for suspending the counter is sent, power consumption of the terminal and the network device can be saved.
As an alternative, if the transmission of the random access message is cancelled, the timer is not started.
Wherein the timer may be a timer associated with the random access message.
Further, the timer may include at least one of:
a random access response timer and a collision resolution timer.
In this embodiment, since the transmission of the random access message is cancelled, the timer is not started, so that the power consumption of the terminal can be saved.
As an optional implementation manner, the random access message includes:
message (msg)1 in the 4-step random access process; or
Msg3 in the 4-step random access process; or
And 2, random access information in the random access process.
The 4-step random access procedure may be a random access procedure that realizes random access through 4 steps. For example: in a 4-step Random Access Channel (RACH), a terminal first sends msg1 to a network, where the msg1 may include a preamble; after detecting the preamble, the network sends msg2, including a Random Access Response (RAR) message corresponding to the preamble; after receiving the msg2, the terminal sends msg3 according to the indication of RAR; after receiving msg3, the network will send msg4, which contains contention resolution identification (contention resolution ID); the terminal receives msg4, namely 4 steps of random access are completed;
and the 2-step random access procedure may be a random access procedure for implementing random access through 2 steps. For example: in the 2-step RACH, the terminal sends msgA (i.e., the random access message) to the network, the network sends msgB to the terminal after receiving msgA, and the terminal completes the 2-step random access after receiving msgB.
In this embodiment, it may be implemented to cancel the msg1 in the 4-step random access procedure, the msg3 in the 4-step random access procedure, or the random access message in the 2-step random access procedure.
Further, the msg1 may include a physical random access channel; and/or
The msg3 may include PUSCH; and/or
The random access message in the 2-step random access procedure may include a PRACH and a PUSCH.
Wherein, the msg1 includes a physical random access channel, and the msg1 of the random access procedure is loaded on the random access channel; the msg3 includes PUSCH, and msg3 in the 4-step random access procedure is carried on an uplink data channel scheduled by the RAR grant; the random access message in the 2-step random access process may include a PRACH and a PUSCH, and the random access message in the 2-step random access process is carried on a random access channel and an uplink data channel.
In the embodiment of the invention, an uplink cancel instruction is received; and if the resource indicated by the uplink cancellation instruction is overlapped with the resource of the random access message, canceling the transmission of the random access message. This can reduce transmission interference in the communication system since transmission of the random access message can be cancelled.
Referring to fig. 3, fig. 3 is a flowchart of another processing method of a random access method according to an embodiment of the present invention, where the method is applied to a network device, and as shown in fig. 3, the method includes the following steps:
Optionally, the resource indicated by the uplink cancellation instruction is a time domain resource, and the resource of the random access message is a time domain resource; or
The resource indicated by the uplink cancel instruction is a frequency domain resource, and the resource of the random access message is a frequency domain resource.
Optionally, the random access message includes:
a random access message of a non-contention random access procedure; or
And random access information of a random access process triggered by a Physical Downlink Control Channel (PDCCH) instruction.
Optionally, after receiving the uplink cancellation instruction, the method further includes:
and receiving the random access message of the competitive random access process under the condition that the time domain resource indicated by the uplink cancellation instruction is overlapped with the time domain resource of the random access message of the competitive random access process.
Optionally, after canceling the transmission of the random access message, the method further includes:
a notification message for pausing the counter is received.
Optionally, the counter includes at least one of:
a transmit power counter, a preamble transmit counter, and a counter for random access message transmission.
Optionally, after receiving the notification message for suspending the counter, the method further includes:
the counter is paused.
Optionally, the notification message is:
MAC CE or UCI.
Optionally, the notification message is sent through a random access resource in a random access procedure.
Optionally, the random access message includes:
message msg1 in the 4-step random access process; or
Msg3 in the 4-step random access process; or
And 2, random access information in the random access process.
Optionally, the msg1 includes PRACH; and/or
The msg3 includes PUSCH; and/or
And the random access message in the 2-step random access process comprises the PRACH and the PUSCH.
It should be noted that, this embodiment is used as an implementation of a network device corresponding to the embodiment shown in fig. 2, and specific implementation of this embodiment may refer to the relevant description of the embodiment shown in fig. 2, so that, in order to avoid repeated descriptions, this embodiment is not described again, and the same beneficial effects may also be achieved.
The following is illustrated with URLLC service:
when the terminal carries out the random access process, when the time domain resource of the random access message is overlapped with (part or all of) the time domain resource indicated by the uplink cancellation instruction, the terminal cancels (part or all) transmission of the random access message;
wherein, the random access process can be 2-step random access process or 4-step random access; the random access message may be a random access message of a 2-step random access process, including PRACH and PUSCH, or a random access message of a 4-step random access process, including PRACH;
optionally, the transmission of the random access message for the terminal to cancel the non-contention random access process may be:
if the random access message is in a non-competitive random access process, the terminal cancels the transmission of the random access message; otherwise, the terminal does not cancel the transmission of the random access message; or
If the random access process is triggered by the PDCCH order, the terminal cancels the transmission of the random access message on the random access resource indicated by the PDCCH order; or
If the random access message is the random access message terminal of the SI-request, the terminal cancels the transmission of the random access message; or
If the random access process is based on the competitive beam failure recovery, the terminal cancels the transmission of the random access message on the random access resource indicated by the PDCCHorder; or
And if the random access process is based on non-competitive beam failure recovery, the terminal cancels the transmission of the random access message on the random access resource indicated by the PDCCHorder.
Optionally, if the terminal cancels the transmission of the random access message, the terminal notifies the network of at least one of the following information:
pausing the power ramping counter;
the PREAMBLE _ transition _ COUNTER is suspended.
Optionally, if the terminal cancels the transmission of the random message, the terminal notifies the network by:
MAC CE; or
Step 2, random access resources of the random access process; or
UCI。
Optionally, the random access message includes:
msg1 of 4-step random access process, carried in random access channel; or
Msg3 in the 4-step random access process is borne on an uplink data channel scheduled by the RAR grant; or
The msgA of the 2-step random access process is carried in a random access channel and an uplink data channel.
Example 1:
as shown in fig. 4, when a terminal receives Downlink Control Information (DCI) scrambled by a Cell Radio network temporary Identifier (C-RNTI) and indicates non-contention RACH transmission triggered by a PDCCH order (PDCCH order), the DCI indicates an RO for transmitting a random access channel PRACH, and the RO is located in a slot (slot) k;
and the terminal receives an uplink cancel instruction which indicates the time domain/frequency domain resources on slot k
And if the RO used for transmitting the random access channel PRACH and indicated by the DCI are partially or completely overlapped with the time-frequency domain resources indicated by the uplink cancellation instruction, the terminal cancels the transmission of the random access channel on the RO.
Example 2:
if the network triggers the terminal to perform the random access process, the terminal receives the uplink cancel command and cancels the random access process triggered by the network, and the terminal can report that the random access process is cancelled to the network through uplink transmission resources configured or scheduled by the network, such as a dynamically scheduled PUSCH (physical uplink shared channel) and semi-statically scheduled configuration grant (configured grant) transmission;
the terminal informs the upper layer of suspending power ramping and preamble transmission counters through a physical layer.
In the embodiment of the invention, the following can be realized:
when the terminal carries out the random access process, when the time domain resource of the random access message is overlapped with (part or all of) the time domain resource indicated by the uplink cancellation instruction, the terminal cancels (part or all) transmission of the random access message;
the transmission of the random access message for the terminal to cancel the non-contention random access procedure may be:
if the random access message is in a non-competitive random access process, the terminal cancels the transmission of the random access message; otherwise, the terminal does not cancel the transmission of the random access message
Message for informing network counter to pause if terminal cancels transmission of random access message
Thus, when the network device schedules the URLLC terminal to transmit the URLLC service on the random access resource, the method provided by the embodiment of the invention can enable other terminals to cancel the random access process initiated on the random access resource, thereby avoiding the interference to the transmission of the URLLC service.
Referring to fig. 5, fig. 5 is a structural diagram of a terminal according to an embodiment of the present invention, and as shown in fig. 5, a terminal 500 includes:
a receiving module 501, configured to receive an uplink cancellation instruction;
a cancellation module 502, configured to cancel transmission of the random access message if the resource indicated by the uplink cancellation instruction overlaps with a resource of the random access message.
Optionally, the resource indicated by the uplink cancellation instruction is a time domain resource, and the resource of the random access message is a time domain resource; or
The resource indicated by the uplink cancel instruction is a frequency domain resource, and the resource of the random access message is a frequency domain resource.
Optionally, the random access message includes:
a random access message of a non-contention random access procedure; or
A random access message of a random access procedure triggered by the PDCCH order.
Optionally, as shown in fig. 6, the terminal 500 further includes:
a transmission module 503, configured to transmit the random access message in the contention random access procedure when the time domain resource indicated by the uplink cancellation instruction overlaps with the time domain resource of the random access message in the contention random access procedure.
Optionally, as shown in fig. 7, the terminal 500 further includes:
a notification module 504, configured to notify a higher layer of the terminal of the pause counter, and/or send a notification message for the pause counter.
Optionally, the counter includes at least one of:
a transmit power counter, a preamble transmit counter, and a counter for random access message transmission.
Optionally, as shown in fig. 8, the terminal 500 further includes:
a pause module 505 for pausing the counter.
Optionally, the notification message is:
MAC CE or UCI.
Optionally, the notification message is sent through a random access resource in a random access procedure.
Optionally, if the transmission of the random access message is cancelled, the timer is not started.
Optionally, the timer includes at least one of:
a random access response timer and a collision resolution timer.
Optionally, the random access message includes:
msg1 in the 4-step random access process; or
Msg3 in the 4-step random access process; or
And 2, random access information in the random access process.
Optionally, the msg1 includes PRACH; and/or
The msg3 includes PUSCH; and/or
And the random access message in the 2-step random access process comprises the PRACH and the PUSCH.
The terminal provided by the embodiment of the present invention can implement each process implemented by the terminal in the method embodiment of fig. 2, and is not described herein again to avoid repetition, and can reduce transmission interference in a communication system.
Referring to fig. 9, fig. 9 is a structural diagram of a network device according to an embodiment of the present invention, and as shown in fig. 9, the network device 900 includes:
a sending module 901, configured to send an uplink cancellation instruction, where the uplink cancellation instruction is used for a terminal to cancel transmission of a random access message when a resource indicated by the uplink cancellation instruction overlaps with a resource of the random access message.
Optionally, the resource indicated by the uplink cancellation instruction is a time domain resource, and the resource of the random access message is a time domain resource; or
The resource indicated by the uplink cancel instruction is a frequency domain resource, and the resource of the random access message is a frequency domain resource.
Optionally, the random access message includes:
a random access message of a non-contention random access procedure; or
And random access information of a random access process triggered by a Physical Downlink Control Channel (PDCCH) instruction.
Optionally, as shown in fig. 10, the network device 900 further includes:
a first receiving module 902, configured to receive the random access message in the contention random access procedure when the time domain resource indicated by the uplink cancellation instruction overlaps with the time domain resource of the random access message in the contention random access procedure.
Optionally, as shown in fig. 11, the network device 900 further includes:
a second receiving module 903, configured to receive a notification message for suspending the counter.
Optionally, the counter includes at least one of:
a transmit power counter, a preamble transmit counter, and a counter for random access message transmission.
Optionally, as shown in fig. 12, the network device 900 further includes:
a pause module 904 for pausing the counter.
Optionally, the notification message is:
MAC CE or UCI.
Optionally, the notification message is sent through a random access resource in a random access procedure.
Optionally, the random access message includes:
message msg1 in the 4-step random access process; or
Msg3 in the 4-step random access process; or
And 2, random access information in the random access process.
Optionally, the msg1 includes PRACH; and/or
The msg3 includes PUSCH; and/or
And the random access message in the 2-step random access process comprises the PRACH and the PUSCH.
The terminal provided in the embodiment of the present invention can implement each process implemented by the network device in the method embodiment of fig. 4, and is not described here again to avoid repetition, and can reduce transmission interference in the communication system.
Figure 13 is a schematic diagram of the hardware architecture of a terminal implementing various embodiments of the invention,
the terminal 1300 includes but is not limited to: a radio frequency unit 1301, a network module 1302, an audio output unit 1303, an input unit 1304, a sensor 1305, a display unit 1306, a user input unit 1307, an interface unit 1308, a memory 1309, a processor 1310, a power supply 1311, and the like. Those skilled in the art will appreciate that the terminal configuration shown in fig. 13 is not intended to be limiting, and that the terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a robot, a wearable device, a pedometer, and the like.
A radio frequency unit 1301, configured to receive an uplink cancel instruction;
a processor 1310, configured to cancel transmission of the random access message if the resource indicated by the uplink cancel instruction overlaps with a resource of the random access message.
Optionally, the resource indicated by the uplink cancellation instruction is a time domain resource, and the resource of the random access message is a time domain resource; or
The resource indicated by the uplink cancel instruction is a frequency domain resource, and the resource of the random access message is a frequency domain resource.
Optionally, the random access message includes:
a random access message of a non-contention random access procedure; or
A random access message of a random access procedure triggered by the PDCCH order.
Optionally, after receiving the uplink cancellation instruction, the radio frequency unit 1301 is further configured to:
and transmitting the random access message of the competitive random access process under the condition that the time domain resource indicated by the uplink cancellation instruction is overlapped with the time domain resource of the random access message of the competitive random access process.
Optionally, after canceling the transmission of the random access message, the radio frequency unit 1301 is further configured to:
notifying a higher layer of the terminal of a pause counter and/or sending a notification message for a pause counter.
Optionally, the counter includes at least one of:
a transmit power counter, a preamble transmit counter, and a counter for random access message transmission.
Optionally, after notifying the higher layer pause counter of the terminal, the processor 1310 is further configured to:
the counter is paused.
Optionally, the notification message is:
MAC CE or UCI.
Optionally, the notification message is sent through a random access resource in a random access procedure.
Optionally, if the transmission of the random access message is cancelled, the timer is not started.
Optionally, the timer includes at least one of:
a random access response timer and a collision resolution timer.
Optionally, the random access message includes:
message msg1 in the 4-step random access process; or
Msg3 in the 4-step random access process; or
And 2, random access information in the random access process.
Optionally, the msg1 includes PRACH; and/or
The msg3 includes PUSCH; and/or
And the random access message in the 2-step random access process comprises the PRACH and the PUSCH.
The terminal can reduce transmission interference in the communication system.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 1301 may be configured to receive and transmit signals during a message transmission or call process, and specifically, receive downlink data from a base station and then process the received downlink data to the processor 1310; in addition, the uplink data is transmitted to the base station. In general, radio unit 1301 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. In addition, the radio frequency unit 1301 can also communicate with a network and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user through the network module 1302, such as helping the user send and receive e-mails, browse web pages, and access streaming media.
The audio output unit 1303 can convert audio data received by the radio frequency unit 1301 or the network module 1302 or stored in the memory 1309 into an audio signal and output as sound. Also, the audio output unit 1303 may also provide audio output related to a specific function performed by the terminal 1300 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 1303 includes a speaker, a buzzer, a receiver, and the like.
The input unit 1304 is used to receive audio or video signals. The input Unit 1304 may include a Graphics Processing Unit (GPU) 13041 and a microphone 13042, and the Graphics processor 13041 processes image data of still pictures or video obtained by an image capturing apparatus (such as a camera) in a video capture mode or an image capture mode. The processed image frames may be displayed on the display unit 1306. The image frames processed by the graphic processor 13041 may be stored in the memory 1309 (or other storage medium) or transmitted via the radio frequency unit 1301 or the network module 1302. The microphone 13042 can receive sounds and can process such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 1301 in case of a phone call mode.
Terminal 1300 can also include at least one sensor 1305, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 13061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 13061 and/or backlight when the terminal 1300 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 1305 may also include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., which will not be described in detail herein.
The display unit 1306 is used to display information input by a user or information provided to the user. The Display unit 1306 may include a Display panel 13061, and the Display panel 13061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 1307 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 1307 includes a touch panel 13071 and other input devices 13072. Touch panel 13071, also referred to as a touch screen, may collect touch operations by a user on or near it (e.g., operations by a user on touch panel 13071 or near touch panel 13071 using a finger, stylus, or any other suitable object or attachment). The touch panel 13071 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 1310, and receives and executes commands sent from the processor 1310. In addition, the touch panel 13071 can be implemented by various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 1307 may include other input devices 13072 in addition to the touch panel 13071. In particular, the other input devices 13072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 13071 can be overlaid on the display panel 13061, and when the touch panel 13071 detects a touch operation on or near the touch panel, the touch operation can be transmitted to the processor 1310 to determine the type of the touch event, and then the processor 1310 can provide a corresponding visual output on the display panel 13061 according to the type of the touch event. Although the touch panel 13071 and the display panel 13061 are shown in fig. 13 as two separate components to implement the input and output functions of the terminal, in some embodiments, the touch panel 13071 may be integrated with the display panel 13061 to implement the input and output functions of the terminal, which is not limited herein.
An interface unit 1308 is an interface for connecting an external device to the terminal 1300. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. Interface unit 1308 can be used to receive input from an external device (e.g., data information, power, etc.) and transmit the received input to one or more elements within terminal 1300 or can be used to transmit data between terminal 1300 and an external device.
The memory 1309 may be used to store software programs as well as various data. The memory 1309 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 1309 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 1310 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 1309 and calling data stored in the memory 1309, thereby monitoring the terminal as a whole. Processor 1310 may include one or more processing units; preferably, the processor 1310 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 1310.
The terminal 1300 may also include a power supply 1311 (e.g., a battery) for powering the various components, and preferably, the power supply 1311 may be logically coupled to the processor 1310 via a power management system that provides functionality for managing charging, discharging, and power consumption via the power management system.
In addition, terminal 1300 includes some functional modules that are not shown, and are not described herein again.
Preferably, an embodiment of the present invention further provides a terminal, including a processor 1310, a memory 1309, and a computer program stored in the memory 1309 and capable of running on the processor 1310, where the computer program, when executed by the processor 1310, implements each process of the foregoing embodiment of the method for processing a random access message, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
Referring to fig. 14, fig. 14 is a structural diagram of another network device according to an embodiment of the present invention, and as shown in fig. 14, the network device 1400 includes: a processor 1401, a transceiver 1402, a memory 1403, and a bus interface, wherein:
the transceiver 1402 is configured to send an uplink cancellation instruction, where the uplink cancellation instruction is used for a terminal to cancel transmission of a random access message when a resource indicated by the uplink cancellation instruction overlaps with a resource of the random access message.
Optionally, the resource indicated by the uplink cancellation instruction is a time domain resource, and the resource of the random access message is a time domain resource; or
The resource indicated by the uplink cancel instruction is a frequency domain resource, and the resource of the random access message is a frequency domain resource.
Optionally, the random access message includes:
a random access message of a non-contention random access procedure; or
And random access information of a random access process triggered by a Physical Downlink Control Channel (PDCCH) instruction.
Optionally, after receiving the uplink cancellation instruction, the transceiver 1402 is further configured to:
and receiving the random access message of the competitive random access process under the condition that the time domain resource indicated by the uplink cancellation instruction is overlapped with the time domain resource of the random access message of the competitive random access process.
Optionally, after canceling the transmission of the random access message, the transceiver 1402 is further configured to:
a notification message for pausing the counter is received.
Optionally, the counter includes at least one of:
a transmit power counter, a preamble transmit counter, and a counter for random access message transmission.
Optionally, after receiving the notification message for suspending the counter, the processor 1401 is further configured to:
the counter is paused.
Optionally, the notification message is:
MAC CE or UCI.
Optionally, the notification message is sent through a random access resource in a random access procedure.
Optionally, the random access message includes:
message msg1 in the 4-step random access process; or
Msg3 in the 4-step random access process; or
And 2, random access information in the random access process.
Optionally, the msg1 includes PRACH; and/or
The msg3 includes PUSCH; and/or
And the random access message in the 2-step random access process comprises the PRACH and the PUSCH.
The network equipment can reduce transmission interference in a communication system.
Wherein the transceiver 1402 is configured to receive and transmit data under the control of the processor 1401, the transceiver 1402 comprising at least two antenna ports.
In fig. 14, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 1401, and various circuits, represented by memory 1403, linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 1402 may be a plurality of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. For different user devices, the user interface 1404 may also be an interface capable of interfacing with a desired device externally, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 1401 is responsible for managing a bus architecture and general processing, and the memory 1403 may store data used by the processor 1401 in performing operations.
Preferably, an embodiment of the present invention further provides a network device, including a processor 1401, a memory 1403, and a computer program stored in the memory 1403 and capable of running on the processor 1401, where the computer program, when executed by the processor 1401, implements each process of the foregoing embodiment of the method for processing a random access message, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the embodiment of the method for processing a random access message on a terminal side provided in the embodiment of the present invention, or when the computer program is executed by a processor, the computer program implements each process of the embodiment of the method for processing a random access message on a network device side provided in the embodiment of the present invention, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an 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 an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (16)
1. A processing method of random access message is applied to a terminal, and is characterized by comprising the following steps:
receiving an uplink cancel instruction;
and if the resource indicated by the uplink cancellation instruction is overlapped with the resource of the random access message, canceling the transmission of the random access message.
2. The method of claim 1, wherein the resource indicated by the uplink cancellation command is a time domain resource, and the resource of the random access message is a time domain resource; or
The resource indicated by the uplink cancel instruction is a frequency domain resource, and the resource of the random access message is a frequency domain resource.
3. The method of claim 1, wherein the random access message comprises:
a random access message of a non-contention random access procedure; or
And random access information of a random access process triggered by a Physical Downlink Control Channel (PDCCH) instruction.
4. The method of claim 3, wherein after receiving the upstream cancellation instruction, the method further comprises:
and transmitting the random access message of the competitive random access process under the condition that the time domain resource indicated by the uplink cancellation instruction is overlapped with the time domain resource of the random access message of the competitive random access process.
5. The method of any of claims 1 to 3, wherein after the cancelling the transmission of the random access message, the method further comprises:
notifying a higher layer of the terminal of a pause counter and/or sending a notification message for a pause counter.
6. The method of claim 5, wherein the counter comprises at least one of:
a transmit power counter, a preamble transmit counter, and a counter for random access message transmission.
7. The method of claim 5, wherein after notifying the higher layer pause counter of the terminal, the method further comprises:
the counter is paused.
8. The method of claim 5, wherein the notification message is:
a control unit MAC CE for media access control or uplink control information UCI.
9. The method of claim 5, wherein the notification message is sent over a random access resource of a random access procedure.
10. A method according to any of claims 1 to 3, wherein a timer is not started if the transmission of the random access message is cancelled.
11. The method of claim 10, wherein the timer comprises at least one of:
a random access response timer and a collision resolution timer.
12. The method of any of claims 1 to 3, wherein the random access message comprises:
message msg1 in the 4-step random access process; or
Msg3 in the 4-step random access process; or
And 2, random access information in the random access process.
13. The method of claim 12, wherein the msg1 includes a physical random access channel, PRACH; and/or
The msg3 comprises a Physical Uplink Shared Channel (PUSCH); and/or
And the random access message in the 2-step random access process comprises the PRACH and the PUSCH.
14. A terminal, comprising:
the receiving module is used for receiving an uplink canceling instruction;
and the cancelling module is used for cancelling the transmission of the random access message if the resource indicated by the uplink cancelling instruction is overlapped with the resource of the random access message.
15. A terminal, comprising: memory, processor and program stored on the memory and executable on the processor, which when executed by the processor implements the steps in the method of processing a random access message according to any of claims 1 to 13.
16. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of processing a random access message according to any one of claims 1 to 13.
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| CN201910390323.9A CN111615204A (en) | 2019-05-10 | 2019-05-10 | Method and terminal for processing random access message |
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