CN111434057A - Method for activating uplink bandwidth part, terminal equipment and computer storage medium - Google Patents

Method for activating uplink bandwidth part, terminal equipment and computer storage medium Download PDF

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Publication number
CN111434057A
CN111434057A CN201780097346.XA CN201780097346A CN111434057A CN 111434057 A CN111434057 A CN 111434057A CN 201780097346 A CN201780097346 A CN 201780097346A CN 111434057 A CN111434057 A CN 111434057A
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bwp
activation control
resource
network side
upstream
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CN111434057B (en
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石聪
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses an activation method of an uplink bandwidth part, terminal equipment and a computer storage medium, wherein the method comprises the following steps: receiving an activation control message aiming at the configured upstream bandwidth part BWP sent by a network side; and determining to activate the uplink BWP and sending confirmation information to a network side based on the activation control message.

Description

Method for activating uplink bandwidth part, terminal equipment and computer storage medium Technical Field
The present invention relates to the field of information processing technologies, and in particular, to an activation method for an uplink bandwidth portion, a terminal device, and a computer storage medium.
Background
The system bandwidth supported by NR is much larger than L TE maximum 20MHz system bandwidth, for some terminals, the full system bandwidth cannot be supported due to limited capability, and at the same time, NR introduces the concept of bandwidth part BWP to improve scheduling efficiency.
It can be seen that BWP is a concept of frequency domain dimension. Meanwhile, the existing discussion assumes that the terminal supports only one active BWP at one point in time. The activation means that the terminal desires to receive signals over the bandwidth defined by the BWP, including data transmission (uplink and downlink), system messages, and so on, but there is no specification on how to control the activation of the BWP on the terminal device side.
Disclosure of Invention
To solve the foregoing technical problem, embodiments of the present invention provide an activation method for an uplink bandwidth portion, a terminal device, and a computer storage medium.
The embodiment of the invention provides an activation method of an uplink bandwidth part, which is applied to terminal equipment and comprises the following steps:
receiving an activation control message aiming at the configured upstream bandwidth part BWP sent by a network side;
and determining to activate the uplink BWP and sending confirmation information to a network side based on the activation control message.
An embodiment of the present invention provides a terminal device, including:
a communication unit, which receives an activation control message for the configured upstream bandwidth part BWP sent from the network side; and sending confirmation information to the network side;
a processing unit determining to activate the upstream BWP based on the activation control message.
The terminal device provided by the embodiment of the invention comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of the aforementioned method when running the computer program.
Embodiments of the present invention provide a computer storage medium, which stores computer-executable instructions, and when executed, implement the foregoing method steps.
According to the technical scheme of the embodiment of the invention, one or more upstream BWPs can be activated and controlled based on the instruction of the network side, and the terminal sends the confirmation message to the network side to inform the network side to determine that the upstream BWPs indicated by the network side need to be activated are activated. In this way, it can be defined in specification that when a plurality of upstream BWPs configured on a carrier of a terminal device are configured, a part of the upstream BWPs are controlled to be activated.
Drawings
Fig. 1 is a schematic flowchart of an activation method for an uplink bandwidth part according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure of a terminal device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a hardware architecture according to an embodiment of the present invention.
Detailed Description
So that the manner in which the features and aspects of the embodiments of the present invention can be understood in detail, a more particular description of the embodiments of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings.
The first embodiment,
An embodiment of the present invention provides a method for activating an uplink bandwidth part, which is applied to a terminal device, and as shown in fig. 1, the method includes:
step 101: receiving an activation control message aiming at the configured upstream bandwidth part BWP sent by a network side;
step 102: and determining to activate the uplink BWP and sending confirmation information to a network side based on the activation control message.
In the foregoing step 101, the activation control message is directed to one upstream BWP, or certainly multiple upstream BWPs, in the multiple upstream bandwidth portions BWPs configured by the terminal device. In other words, the uplink BWP described in step 101 may be a part of the total uplink BWPs configured in the carrier of the terminal device.
Further, the determining to activate the upstream BWP and send acknowledgement information to the network side based on the activation control message includes the following processing scenarios:
treatment 1,
And when the terminal equipment does not have data to be sent, activating the corresponding uplink BWP based on the activation control message, and sending confirmation information for activating the uplink BWP to a network side through an MAC layer control unit CE.
That is, the terminal receives a control message for activating a certain uplink BWP, and if the terminal does not have data to be sent at the current time, a confirmation activated MAC ce is triggered, where the control message for activating a certain uplink BWP is carried on a PDCCH channel scrambled with a C-RNTI or a PDCCH channel scrambled with a special RNTI, where the special RNTI refers to a special RNTI for activating the uplink BWP, such as U L BWP activation RNTI.
In this scenario, the sending, by the MAC layer control element CE, the acknowledgment information for activating the uplink BWP to the network side includes:
transmitting a MAC CE confirming to activate the upstream BWP to a network side through the authorized resource indicated in the activation control message;
alternatively, the first and second electrodes may be,
and confirming to activate the MAC CE of the upstream BWP through the resource transmission configured on the upstream BWP indicated in the activation control message.
That is, the MAC CE can transmit on the authorized resource indicated by the control message or on the resource configured on the uplink BWP.
Wherein the transmitting the MAC CE confirming the activation of the upstream BWP to the network side over the granted resource indicated in the activation control message includes:
and when the authorized resource is scheduled in the activation control information and is positioned on the uplink BWP to be activated, triggering and confirming that the MAC CE for activating the uplink BWP is transmitted on the authorized resource.
That is, the control information (scrambled by the C-RNTI) schedules a granted resource on the uplink BWP to be activated; and if the terminal has no data to be transmitted, the terminal triggers a confirmation to activate the MAC CE, and the MAC CE is transmitted on the scheduling resource.
In addition, when the authorized resource is not scheduled in the activation control information and the activation control information indicates the index number of the uplink BWP to be activated, if the uplink BWP to be activated has configured resources, the MAC CE confirming activation of the uplink BWP is transmitted on the configured resources.
That is, the control information (scrambled by the U L BWP activation RNTI) does not schedule an authorized resource, which clearly indicates the uplink BWP to be activated, such as BWP index, if the uplink BWP to be activated has Configured resources (Configured resources, included type1and/or type2), an ack MAC CE is generated and transmitted on the Configured resources, or a Configured ack MAC CE (Configured Grant Confirmation MAC CE) is generated and transmitted on the Configured resources, wherein L CIDs of the subpacket headers corresponding to the two MAC CEs are different;
and if the uplink BWP to be activated does not have configured resources, generating feedback information aiming at the activation control information, and transmitting the feedback information on a physical uplink control channel PUCCH.
Specifically, if the uplink BWP to be activated has no configured resource, the terminal generates a feedback message for the control message, and the feedback message is transmitted on the configured PUCCH resource.
Scene 2,
If the terminal has data to be transmitted:
and when the terminal equipment has data to be sent and schedules authorized resources in the activation control information, transmitting the data to be sent on the authorized resources.
I.e. if the control information (which may be scrambled by the C-RNTI) schedules the granted resources, the data to be sent is transmitted on the granted resources.
When the terminal equipment has data to be sent and does not schedule authorized resources in the activation control information, if the terminal equipment has configured resources, the terminal equipment transmits the data to be sent on the configured resources; and if the configured resources are not available, sending a scheduling request in the activated uplink BWP.
Specifically, if the control information (which can be scrambled by activating activation scrambling code RNTI through uplink U L bandwidth part BWP) does not schedule the authorized resource, the terminal transmits the data to be transmitted on the configured resource if the resource is configured, and if the resource is not configured, the terminal initiates a Scheduling Request (SR) on the activated BWP.
It can be seen that, by adopting the above scheme, one or more upstream BWPs can be activated and controlled based on the instruction from the network side, and the terminal sends an acknowledgement message to the network side to notify the network side to determine that the upstream BWP indicated by the network side needs to be activated is activated. In this way, it can be defined in specification that when a plurality of upstream BWPs configured on a carrier of a terminal device are configured, a part of the upstream BWPs are controlled to be activated.
Example II,
An embodiment of the present invention provides a terminal device, as shown in fig. 2, including:
a communication unit 21, which receives an activation control message for the configured upstream bandwidth part BWP sent from the network side; and sending confirmation information to the network side;
a processing unit 22, determining to activate the upstream BWP based on the activation control message.
The aforementioned activation control message is directed to one upstream BWP, and certainly may also be multiple upstream BWPs, in the multiple upstream bandwidth portions BWPs configured by the terminal device. In other words, the uplink BWP described in step 101 may be a part of the total uplink BWPs configured in the carrier of the terminal device.
Further, the determining to activate the upstream BWP and send acknowledgement information to the network side based on the activation control message includes the following processing scenarios:
treatment 1,
The processing unit 22, when there is no data to be sent in the terminal device, activates the corresponding uplink BWP based on the activation control message;
the communication unit 21 sends the confirmation information for activating the uplink BWP to the network side through the MAC layer control unit CE.
That is, the terminal receives a control message for activating a certain uplink BWP, and if the terminal does not have data to be sent at the current time, a confirmation activated MAC ce is triggered, where the control message for activating a certain uplink BWP is carried on a PDCCH channel scrambled with a C-RNTI or a PDCCH channel scrambled with a special RNTI, where the special RNTI refers to a special RNTI for activating the uplink BWP, such as U L BWP activation RNTI.
In this scenario, the sending, by the MAC layer control element CE, the acknowledgment information for activating the uplink BWP to the network side includes:
the communication unit transmits the MAC CE confirming the activation of the upstream BWP to a network side through the authorized resource indicated in the activation control message;
alternatively, the first and second electrodes may be,
and confirming to activate the MAC CE of the upstream BWP through the resource transmission configured on the upstream BWP indicated in the activation control message.
That is, the MAC CE can transmit on the authorized resource indicated by the control message or on the resource configured on the uplink BWP.
Wherein the transmitting the MAC CE confirming the activation of the upstream BWP to the network side over the granted resource indicated in the activation control message includes:
and the processing unit is used for triggering and confirming that the MAC CE for activating the uplink BWP is transmitted on the authorized resource when the authorized resource is scheduled in the activation control information and is positioned on the uplink BWP to be activated.
That is, the control information (scrambled by the C-RNTI) schedules a granted resource on the uplink BWP to be activated; and if the terminal has no data to be transmitted, the terminal triggers a confirmation to activate the MAC CE, and the MAC CE is transmitted on the scheduling resource.
In addition, when the authorized resource is not scheduled in the activation control information and the activation control information indicates the index number of the uplink BWP to be activated, if the uplink BWP to be activated has configured resources, the MAC CE confirming activation of the uplink BWP is transmitted on the configured resources.
That is, the control information (scrambled by the U L BWP activation RNTI) does not schedule an authorized resource, which clearly indicates the uplink BWP to be activated, such as BWP index, if the uplink BWP to be activated has Configured resources (Configured resources, included type1and/or type2), an ack MAC CE is generated and transmitted on the Configured resources, or a Configured ack MAC CE (Configured Grant Confirmation MAC CE) is generated and transmitted on the Configured resources, wherein L CIDs of the subpacket headers corresponding to the two MAC CEs are different;
and if the uplink BWP to be activated does not have configured resources, generating feedback information aiming at the activation control information, and transmitting the feedback information on a physical uplink control channel PUCCH.
Specifically, if the uplink BWP to be activated has no configured resource, the terminal generates a feedback message for the control message, and the feedback message is transmitted on the configured PUCCH resource.
Scene 2,
If the terminal has data to be transmitted:
and when the terminal equipment has data to be sent and schedules authorized resources in the activation control information, transmitting the data to be sent on the authorized resources.
I.e. if the control information (which may be scrambled by the C-RNTI) schedules the granted resources, the data to be sent is transmitted on the granted resources.
When the terminal equipment has data to be sent and does not schedule authorized resources in the activation control information, if the terminal equipment has configured resources, the terminal equipment transmits the data to be sent on the configured resources; and if the configured resources are not available, sending a scheduling request in the activated uplink BWP.
Specifically, if the control information (which can be scrambled by activating activation scrambling code RNTI through uplink U L bandwidth part BWP) does not schedule the authorized resource, the terminal transmits the data to be transmitted on the configured resource if the resource is configured, and if the resource is not configured, the terminal initiates a Scheduling Request (SR) on the activated BWP.
It can be seen that, by adopting the above scheme, one or more upstream BWPs can be activated and controlled based on the instruction from the network side, and the terminal sends an acknowledgement message to the network side to notify the network side to determine that the upstream BWP indicated by the network side needs to be activated is activated. In this way, it can be defined in specification that when a plurality of upstream BWPs configured on a carrier of a terminal device are configured, a part of the upstream BWPs are controlled to be activated.
An embodiment of the present invention further provides a hardware composition architecture of a terminal device, as shown in fig. 3, including: at least one processor 31, a memory 32, at least one network interface 33. The various components are coupled together by a bus system 34. It will be appreciated that bus system 34 is used to enable communications among these components. The bus system 34 includes a power bus, a control bus, and a status signal bus in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 34 in fig. 3.
It will be appreciated that memory 32 in embodiments of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory.
In some embodiments, memory 32 stores elements, executable modules or data structures, or a subset thereof, or an expanded set thereof:
an operating system 321 and application programs 322.
Wherein the processor 31 is configured to: the method steps of the first embodiment can be processed, and are not described herein again.
The computer storage medium stores computer-executable instructions, and when executed, the computer-executable instructions implement the method steps of the first embodiment.
The device according to the embodiment of the present invention may also be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as an independent product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read Only Memory (ROM), a magnetic disk, or an optical disk. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
Correspondingly, the embodiment of the present invention further provides a computer storage medium, in which a computer program is stored, and the computer program is configured to execute the data scheduling method of the embodiment of the present invention.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, and the scope of the invention should not be limited to the embodiments described above.

Claims (16)

  1. A method for activating uplink bandwidth part is applied to terminal equipment and comprises the following steps:
    receiving an activation control message aiming at the configured upstream bandwidth part BWP sent by a network side;
    and determining to activate the uplink BWP and sending confirmation information to a network side based on the activation control message.
  2. The method according to claim 1, wherein said determining to activate the upstream BWP and send acknowledgement information to the network side based on the activation control message comprises:
    and when the terminal equipment does not have data to be sent, activating the corresponding uplink BWP based on the activation control message, and sending confirmation information for activating the uplink BWP to a network side through an MAC layer control unit CE.
  3. The method according to claim 2, wherein said sending, by the MAC layer control element CE, acknowledgement information for activating the upstream BWP to the network side comprises:
    transmitting a MAC CE confirming to activate the upstream BWP to a network side through the authorized resource indicated in the activation control message;
    alternatively, the first and second electrodes may be,
    and confirming to activate the MAC CE of the upstream BWP through the resource transmission configured on the upstream BWP indicated in the activation control message.
  4. The method according to claim 3, wherein the transmitting the MAC CE confirming the activation of the upstream BWP to the network side over the granted resource indicated in the activation control message comprises:
    and when the authorized resource is scheduled in the activation control information and is positioned on the uplink BWP to be activated, triggering and confirming that the MAC CE for activating the uplink BWP is transmitted on the authorized resource.
  5. The method according to claim 3, wherein the acknowledging activation of the MAC CE for the upstream BWP by the configured resource transmission on the upstream BWP indicated in the activation control message comprises:
    when the authorized resource is not scheduled in the activation control information and the activation control information indicates the index number of the uplink BWP to be activated,
    if the uplink BWP to be activated has configured resources, transmitting a MAC CE confirming to activate the uplink BWP on the configured resources;
    and if the uplink BWP to be activated does not have configured resources, generating feedback information aiming at the activation control information, and transmitting the feedback information on a physical uplink control channel PUCCH.
  6. The method according to claim 1, wherein, when determining to activate the upstream BWP and send acknowledgement information to the network side based on the activation control message, the method further comprises:
    and when the terminal equipment has data to be sent and schedules authorized resources in the activation control information, transmitting the data to be sent on the authorized resources.
  7. The method according to claim 1, wherein, when determining to activate the upstream BWP and send acknowledgement information to the network side based on the activation control message, the method further comprises:
    when the terminal equipment has data to be sent and does not schedule authorized resources in the activation control information, if the terminal equipment has configured resources, the terminal equipment transmits the data to be sent on the configured resources; and if the configured resources are not available, sending a scheduling request in the activated uplink BWP.
  8. A terminal device, comprising:
    a communication unit, which receives an activation control message for the configured upstream bandwidth part BWP sent from the network side; and sending confirmation information to the network side;
    a processing unit determining to activate the upstream BWP based on the activation control message.
  9. The terminal device of claim 8,
    the processing unit activates the corresponding uplink BWP based on the activation control message when the terminal device does not have data to be sent;
    and the communication unit sends confirmation information for activating the uplink BWP to a network side through a MAC layer control unit CE.
  10. The terminal device according to claim 9, wherein the communication unit,
    transmitting a MAC CE confirming to activate the upstream BWP to a network side through the authorized resource indicated in the activation control message;
    alternatively, the first and second electrodes may be,
    and confirming to activate the MAC CE of the upstream BWP through the resource transmission configured on the upstream BWP indicated in the activation control message.
  11. The terminal device according to claim 10, wherein the processing unit, when a granted resource is scheduled in the activation control information and the granted resource is located on an uplink BWP to be activated, triggers the communication unit to confirm that the MAC CE activating the uplink BWP is transmitted on the granted resource.
  12. The terminal device of claim 10,
    the processing unit, when an authorized resource is not scheduled in the activation control information and the activation control information indicates an index number of an uplink BWP to be activated, if the uplink BWP to be activated has a configured resource, the communication unit transmits a MAC CE confirming activation of the uplink BWP on the configured resource; and if the uplink BWP to be activated does not have configured resources, generating feedback information aiming at the activation control information, and transmitting the feedback information on a physical uplink control channel PUCCH through the communication unit.
  13. The terminal device according to claim 9, wherein the processing unit transmits, through the communication unit, the data to be transmitted on the authorized resource when the terminal device has data to be transmitted and an authorized resource is scheduled in the activation control information.
  14. The terminal device according to claim 9, wherein when there is data to be transmitted in the terminal device and no authorized resource is scheduled in the activation control information, if there is a configured resource, the processing unit transmits the data to be transmitted on the configured resource through the communication unit; and if the configured resources do not exist, sending a scheduling request in the activated uplink BWP through the communication unit.
  15. A terminal device, comprising: a processor and a memory for storing a computer program capable of running on the processor,
    wherein the processor is adapted to perform the steps of the method of any one of claims 1 to 7 when running the computer program.
  16. A computer storage medium having computer-executable instructions stored thereon that, when executed, implement the steps of the method of any one of claims 1-7.
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