CN108574559B - Transmission method and device - Google Patents

Transmission method and device Download PDF

Info

Publication number
CN108574559B
CN108574559B CN201710146344.7A CN201710146344A CN108574559B CN 108574559 B CN108574559 B CN 108574559B CN 201710146344 A CN201710146344 A CN 201710146344A CN 108574559 B CN108574559 B CN 108574559B
Authority
CN
China
Prior art keywords
data
feedback message
grant
transmission
dci
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710146344.7A
Other languages
Chinese (zh)
Other versions
CN108574559A (en
Inventor
李铁
邢艳萍
赵铮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
Original Assignee
China Academy of Telecommunications Technology CATT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Priority to CN201710146344.7A priority Critical patent/CN108574559B/en
Priority to PCT/CN2018/078467 priority patent/WO2018166400A1/en
Publication of CN108574559A publication Critical patent/CN108574559A/en
Application granted granted Critical
Publication of CN108574559B publication Critical patent/CN108574559B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides a transmission method and a device, wherein the method comprises the following steps: user Equipment (UE) sends first data through uplink scheduling-free transmission and carries a buffer status report; the UE determines a data transmission mode according to the condition of receiving the feedback message of the network side; the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report, so that the time delay can be reduced, the transmission efficiency of the system can be improved, and the transmission reliability of the system can be improved.

Description

Transmission method and device
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a transmission method and apparatus.
Background
In the existing scheduling-free scheme, due to the adoption of pre-configured resource allocation, when a data packet is large, all data cannot be transmitted at one time, so that the data transmission delay is increased; if multiple scheduling-free transmissions are used, data detection efficiency and system transmission efficiency are reduced.
In the existing scheduling scheme, a base station dynamic and explicit scheduling authorization mode is adopted, and when a large number of users exist, the signaling load is increased and the data transmission delay is also increased.
In the research of NR (Next generation Radio), there are many benefits to the uplink schedule-free transmission. Uplink schedule-free transmission, i.e. without dynamic and explicit scheduling grants from the base station, the UE (user equipment) transmits uplink data directly on the selected resources. Generally, the resources selected by the UE are preconfigured by the network side and are transparent to both the base station and the UE. Therefore, when the data sent by the UE is larger than the allocated resources, the UE cannot transmit all the data at one time, which results in that the UE needs to transmit for many times, thus reducing the time delay of the user plane and reducing the transmission efficiency of the system.
Disclosure of Invention
In view of the foregoing technical problems, embodiments of the present invention provide a transmission method and apparatus, which can reduce time delay, improve system transmission efficiency, and increase system transmission reliability.
According to an aspect of an embodiment of the present invention, there is provided a transmission method, including:
user Equipment (UE) sends first data through uplink scheduling-free transmission and carries a buffer status report;
the UE determines a data transmission mode according to the condition of receiving the feedback message of the network side;
and the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
Optionally, the determining, by the UE, a data transmission mode according to a condition of receiving a feedback message from a network side includes:
the UE receives a DCI feedback message of downlink control information in a specified time window after the uplink scheduling-free transmission is finished;
if the UE receives a DCI feedback message, and the uplink scheduling Grant signaling UL Grant in the DCI feedback message has resource scheduling information and a new data indication NDI as a first value, the UE transmits the first data on corresponding resources allocated by the UL Grant in a scheduling retransmission mode.
Optionally, the determining, by the UE, a data transmission mode according to a condition of receiving a feedback message from a network side includes:
the UE receives DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished;
and if the UE receives a DCI feedback message and the UL Grant in the DCI feedback message has resource scheduling information and the NDI is a second value, the UE sends the residual data of the first data on the corresponding resources allocated by the UL Grant.
Optionally, the determining, by the UE, a data transmission mode according to a condition of receiving a feedback message from a network side includes:
the UE receives DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished;
and if the UE receives a DCI feedback message, and the UL Grant in the DCI feedback message has no resource scheduling information and the NDI is a first value, the UE transmits the first data in a scheduling-free retransmission mode.
Optionally, the determining, by the UE, a data transmission mode according to a condition of receiving a feedback message from a network side includes:
the UE receives DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished;
and if the UE does not receive the DCI feedback message, the UE sends second data on the resources which are statically or semi-statically pre-allocated on the network side in an uplink scheduling-free transmission mode.
According to a second aspect of the embodiments of the present invention, there is also provided a transmission method, including:
a network side receives first data and a buffer status report which are sent by User Equipment (UE) through uplink scheduling-free transmission;
the network side determines a feedback message according to the receiving condition of the first data and the cache state report;
and the network side sends the feedback message to the UE, wherein the feedback message is used for informing the UE of the receiving condition of the first data and informing the UE whether the UE needs to retransmit the first data or whether the UE needs to send the residual data of the first data.
Optionally, the ending time of the uplink non-scheduled transmission is T1, and the network side sends the feedback message to the UE at T1+ k, where k is a positive integer.
Optionally, the value of k is agreed in a protocol or configured by the network side.
According to a third aspect of the embodiments of the present invention, there is also provided a transmission apparatus, including:
the first sending module is used for sending first data through uplink scheduling-free transmission and carrying a buffer status report;
the first determining module is used for determining a data transmission mode according to the condition of receiving the feedback message of the network side;
and the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
Optionally, the first determining module includes:
a first receiving unit, configured to receive a DCI feedback message within a specified time window after an uplink scheduling-free transmission is finished;
a first sending unit, configured to send, if a DCI feedback message is received and there is resource scheduling information for an uplink scheduling Grant signaling UL Grant in the DCI feedback message and a new data indication NDI is a first value, the first data on a corresponding resource allocated by the UL Grant in a manner of scheduling retransmission.
Optionally, the first determining module includes:
a second receiving unit, configured to receive a DCI feedback message within a specified time window after the uplink non-scheduling transmission is finished;
a second sending unit, configured to send, if a DCI feedback message is received and a UL Grant in the DCI feedback message has resource scheduling information and an NDI is a second value, remaining data of the first data on a corresponding resource allocated by the UL Grant.
Optionally, the first determining module includes:
a third receiving unit, configured to receive a DCI feedback message within a specified time window after the uplink non-scheduling transmission is finished;
a third sending unit, configured to send the first data in a scheduling-free retransmission manner if a DCI feedback message is received, and no resource scheduling information exists in an UL Grant in the DCI feedback message and an NDI is a first value.
Optionally, the first determining module includes:
a fourth receiving unit, configured to receive a DCI feedback message within a specified time window after the uplink non-scheduling transmission is finished;
and a fourth sending unit, configured to send, if the DCI feedback message is not received, second data on a resource statically or semi-statically pre-allocated on the network side in an uplink scheduling-free transmission manner.
According to a fourth aspect of the embodiments of the present invention, there is also provided a transmission apparatus, including:
the receiving module is used for receiving first data and a buffer status report which are transmitted by User Equipment (UE) through uplink scheduling-free transmission;
a second determining module, configured to determine a feedback message according to the receiving condition of the first data and the buffer status report;
a second sending module, configured to send the feedback message to the UE, where the feedback message is used to notify the UE of a receiving situation of the first data and notify the UE whether the UE needs to retransmit the first data or whether the UE needs to send remaining data of the first data.
Optionally, the ending time of the uplink non-scheduled transmission is T1, and the network side sends the feedback message to the UE at T1+ k, where k is a positive integer.
Optionally, the value of k is agreed in a protocol or configured by the network side.
According to a fifth aspect of the embodiments of the present invention, there is also provided a user equipment, including a first memory, a first processor and a computer program stored on the first memory and executable on the first processor, the first processor implementing the steps in the transmission method as described above when executing the program.
According to a sixth aspect of the embodiments of the present invention, there is also provided a network-side device, including a second memory, a second processor, and a computer program stored in the second memory and executable on the second processor, where the second processor implements the steps in the transmission method when executing the program.
One of the above technical solutions has the following advantages or beneficial effects: the UE adopts uplink scheduling-free transmission, so that the processes of sending a scheduling request and waiting for network authorization can be reduced, and the time delay and the signaling overhead are reduced. And after the uplink scheduling-free transmission is finished, the UE can select scheduling retransmission or scheduling-free retransmission according to the DCI indication, so that the time delay is further shortened, the signaling overhead is saved, and the transmission collision with other users can be avoided. Through the measures, the transmission efficiency of the system can be further improved.
Drawings
Fig. 1 is a flowchart of a transmission method according to a first embodiment of the present invention;
fig. 2 is a flowchart of a transmission method according to a second embodiment of the present invention;
fig. 3 is a transmission diagram according to a third embodiment of the present invention;
FIG. 4 is a diagram illustrating a first embodiment of the present invention;
FIG. 5 is a diagram illustrating a second case according to a third embodiment of the present invention;
FIG. 6 is a diagram illustrating a third situation according to a third embodiment of the present invention;
FIG. 7 is a diagram illustrating a fourth embodiment of the present invention;
fig. 8 is a block diagram of a transmission apparatus according to a fourth embodiment of the present invention;
fig. 9 is a block diagram of a transmission apparatus according to a fifth embodiment of the present invention;
fig. 10 is a block diagram of a ue according to a sixth embodiment of the present invention;
fig. 11 is a block diagram of a network-side device in a seventh embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Example one
Referring to fig. 1, a flow of a transmission method is shown in the figure, where an execution subject of the method is a UE, and the specific steps are as follows:
step 101, UE sends first data through uplink scheduling-free transmission and carries a buffer status report;
the UE may be a mobile phone (or a mobile phone), or other devices capable of sending or receiving wireless signals, including a terminal, a Personal Digital Assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a Wireless Local Loop (WLL) station, a CPE (Customer premises Equipment) or a mobile smart hotspot capable of converting mobile signals into WiFi signals, a smart appliance, or other devices capable of autonomously communicating with a mobile communication network without human operation.
The network side may be a Base Station, and in the embodiment of the present invention, the form of the Base Station is not limited, and may be a Macro Base Station (Macro Base Station), a micro Base Station (Pico Base Station), a Node B (the name of a 3G mobile Base Station), an enhanced Base Station (ENB), a gNB (the name of a 5G mobile Base Station), a Home enhanced Base Station (Femto ENB or Home eNode B or Home ENB or HNEB), a relay Station, an access point, an RRU (Remote Radio Unit), an RRH (Remote Radio Head), and the like.
The English corresponding to the above Buffer Status Report is Buffer Status Report, BSR for short.
And step 102, the UE determines a data transmission mode according to a condition of receiving a feedback message of the network side, wherein the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
In this embodiment, the UE may determine the data transmission mode through the following four modes:
the first method is as follows: the UE receives a DCI (Downlink Control Information) feedback message in a specified time window after the uplink scheduling-free transmission is finished; if the UE receives a DCI feedback message, and there is resource Scheduling information and an NDI (New Data indicator) in an UL Grant (Uplink Scheduling Grant) in the DCI feedback message as a first value, the UE transmits the first Data on a corresponding resource allocated by the UL Grant in a manner of Scheduling retransmission.
Alternatively, the first value is 0, that is, NDI is 0 in the first embodiment, and it should be noted that a specific numerical value of the first value is not specifically limited in this embodiment.
The second method comprises the following steps: the UE receives DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished; if the UE receives the DCI feedback message and the UL Grant in the DCI feedback message has the resource scheduling information and the NDI is the second value, the UE sends the residual data of the first data on the corresponding resources allocated by the UL Grant.
Optionally, the first value is 1, that is, NDI is 1 in the first embodiment, and it should be noted that a specific numerical value of the second value is not specifically limited in this embodiment.
When the UE sends data larger than the allocated resources, if the UE cannot transmit all data at one time, the UE may send the remaining data of the first data in the above-described manner.
The third method comprises the following steps: the UE receives DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished; and if the UE receives a DCI feedback message, and the UL Grant in the DCI feedback message has no resource scheduling information and the NDI is a first value, the UE transmits the first data in a scheduling-free retransmission mode.
Alternatively, the first value is 0, that is, NDI is 0 in the first embodiment, and it should be noted that a specific numerical value of the first value is not specifically limited in this embodiment.
The method is as follows: the UE receives DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished; and if the UE does not receive the DCI feedback message, the UE sends second data on the resources which are statically or semi-statically pre-allocated on the network side in an uplink scheduling-free transmission mode.
In this embodiment, the UE may reduce the processes of sending the scheduling request and waiting for the network grant by using uplink scheduling-free transmission, thereby reducing the delay and signaling overhead. And after the uplink scheduling-free transmission is finished, the UE can select scheduling retransmission or scheduling-free retransmission according to the DCI indication, so that the time delay is further shortened, the signaling overhead is saved, and the transmission collision with other users can be avoided. Through the measures, the transmission efficiency of the system can be further improved.
Example two
Referring to fig. 2, a flow of a transmission method is shown in the figure, where an execution main body of the method is a network side, and the specific steps are as follows:
step 201, a network side receives first data and a buffer status report which are transmitted by UE through uplink scheduling-free transmission;
the network side may be a Base Station, and in the embodiment of the present invention, the form of the Base Station is not limited, and may be a Macro Base Station (Macro Base Station), a micro Base Station (Pico Base Station), a Node B (the name of a 3G mobile Base Station), an enhanced Base Station (ENB), a gNB (the name of a 5G mobile Base Station), a Home enhanced Base Station (Femto ENB or Home eNode B or Home ENB or HNEB), a relay Station, an access point, an RRU (Remote Radio Unit), an RRH (Remote Radio Head), and the like.
The UE may be a mobile phone (or a mobile phone), or other devices capable of sending or receiving wireless signals, including a terminal, a Personal Digital Assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a Wireless Local Loop (WLL) station, a CPE (Customer premises Equipment) or a mobile smart hotspot capable of converting mobile signals into WiFi signals, a smart appliance, or other devices capable of autonomously communicating with a mobile communication network without human operation.
Step 202, the network side determines a feedback message according to the receiving condition of the first data and the buffer status report;
step 203, the network side sends the feedback message to the UE, where the feedback message is used to notify the UE of the receiving condition of the first data and notify the UE whether the UE needs to retransmit the first data or whether the UE needs to send the remaining data of the first data.
In this embodiment, optionally, the ending time of the uplink non-scheduled transmission is T1, and the network side sends the feedback message to the UE at T1+ k, where k is a positive integer.
It should be noted that the value of k may be agreed in a protocol or configured by the network side.
In this embodiment, the UE may reduce the processes of sending the scheduling request and waiting for the network grant by using uplink scheduling-free transmission, thereby reducing the delay and signaling overhead. And after the uplink scheduling-free transmission is finished, the UE can select scheduling retransmission or scheduling-free retransmission according to the DCI indication, so that the time delay is further shortened, the signaling overhead is saved, and the transmission collision with other users can be avoided. Through the measures, the transmission efficiency of the system can be further improved.
EXAMPLE III
Referring to fig. 3, the UE initiates uplink non-scheduled data transmission at pre-allocated resources of the base station (gNB) and carries buffer status report information, where the uplink non-scheduled transmission ends at time T1, as shown in the process (r) of fig. 3.
The base station feeds back a message to the UE at time T1+ k, where the value of k may be agreed in a protocol or configured by the network side. The feedback information is that the base station informs the UE of the data receiving status and whether retransmission needs to be initiated.
The feedback process ends at time T2, process 2 shown in fig. 3.
At time T2+ n, the UE determines how to send data according to the content of the feedback message, as indicated by the process ((c) shown in fig. 3).
Referring to fig. 4 to 7, the UE performs different processes according to the indication of receiving the DCI feedback message.
Referring to fig. 4: and the UE receives the DCI feedback message, the resource scheduling information exists in the UL Grant, and the NDI is 1, and then the residual data is sent on the corresponding resources allocated by the UL Grant.
Referring to fig. 5: and the UE receives the DCI feedback message, the resource scheduling information exists in the UL Grant, and the NDI is 0, and then scheduling retransmission exists on the corresponding resource allocated by the UL Grant.
Referring to fig. 6: and the UE receives the DCI feedback message, the UL Grant has no resource scheduling information and NDI is 0, and scheduling retransmission is avoided.
Referring to fig. 7: and if the UE does not receive the DCI feedback message, scheduling-free transmission of new data is carried out.
In this embodiment, the UE may reduce the processes of sending the scheduling request and waiting for the network grant by using uplink scheduling-free transmission, thereby reducing the delay and signaling overhead. And after the uplink scheduling-free transmission is finished, the UE can select scheduling retransmission or scheduling-free retransmission according to the DCI indication, so that the time delay is further shortened, the signaling overhead is saved, and the transmission collision with other users can be avoided. Through the measures, the transmission efficiency of the system can be further improved.
Example four
Based on the same inventive concept, the embodiment of the present invention further provides a transmission apparatus, and since the principle of the transmission apparatus to solve the problem is similar to the transmission method in fig. 1 in the embodiment of the present invention, the implementation of the transmission apparatus can refer to the implementation of the method, and the repetition part is not described again.
Referring to fig. 8, a transmission apparatus is shown, the apparatus 800 comprising:
a first sending module 801, configured to send first data through uplink scheduling-free transmission and carry a buffer status report;
a first determining module 802, configured to determine a data transmission mode according to a situation of receiving a feedback message from a network side;
and the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
In this embodiment, optionally, the first determining module 801 includes:
a first receiving unit 8011, configured to receive a DCI feedback message within a specified time window after an uplink scheduling-free transmission is finished;
a first sending unit 8012, configured to send, if the DCI feedback message is received, and there is resource scheduling information for an uplink scheduling Grant signaling UL Grant in the DCI feedback message and a new data indication NDI is a first value, the first data on a corresponding resource allocated by the UL Grant in a manner of scheduling retransmission.
In this embodiment, optionally, the first determining module 801 includes:
a second receiving unit 8013, configured to receive a DCI feedback message within a specified time window after the uplink non-scheduling transmission is finished;
a second sending unit 8014, configured to send, if the DCI feedback message is received, and the UL Grant in the DCI feedback message has resource scheduling information and the NDI is a second value, the remaining data of the first data on the corresponding resource allocated by the UL Grant.
In this embodiment, optionally, the first determining module 801 includes:
a third receiving unit 8015, configured to receive a DCI feedback message within a specified time window after the uplink non-scheduling transmission is finished;
a third sending unit 8016, configured to send the first data in a scheduling-free retransmission manner if the DCI feedback message is received, and the UL Grant in the DCI feedback message does not have the resource scheduling information and the NDI is the first value.
In this embodiment, optionally, the first determining module 801 includes:
a fourth receiving unit 8017, configured to receive a DCI feedback message within a specified time window after the uplink non-scheduling transmission is finished;
a fourth sending unit 8018, configured to send, if the DCI feedback message is not received, the second data on the resource statically or semi-statically pre-allocated on the network side in an uplink non-scheduling transmission manner.
EXAMPLE five
Based on the same inventive concept, the embodiment of the present invention further provides a transmission apparatus, and since the principle of solving the problem of the transmission apparatus is similar to the transmission method in fig. 2 in the embodiment of the present invention, the implementation of the transmission apparatus can refer to the implementation of the method, and the repetition part is not described again.
Referring to fig. 9, a transmission apparatus is shown, the apparatus 900 comprising:
a receiving module 901, configured to receive first data and a buffer status report sent by a UE through uplink scheduling-free transmission;
a second determining module 902, configured to determine a feedback message according to the receiving condition of the first data and the buffer status report;
a second sending module 903, configured to send the feedback message to the UE, where the feedback message is used to notify the UE of the receiving condition of the first data and notify the UE whether the UE needs to retransmit the first data or needs to send remaining data of the first data.
In this embodiment, optionally, the ending time of the uplink non-scheduled transmission is T1, and the network side sends the feedback message to the UE at T1+ k, where k is a positive integer.
In this embodiment, optionally, the value of k is agreed in a protocol or configured by the network side.
EXAMPLE six
Referring to fig. 10, there is shown a user equipment comprising a first memory, a first processor and a computer program stored on the first memory and executable on the first processor, the first processor implementing the following steps when executing the program: sending first data through uplink scheduling-free transmission and carrying a buffer status report; determining a data transmission mode according to the condition of receiving a feedback message of a network side; and the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
In fig. 10, a bus architecture (represented by a first bus 1000), the first bus 1000 may include any number of interconnected buses and bridges, with the first bus 1000 linking various circuits including one or more processors, represented by a general purpose first processor 1001, and a first memory 1004, represented by the first memory. The first bus 1000 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. A first bus interface 1003 provides an interface between the first bus 1000 and the first transceiver 1002. The first transceiver 1002 may be one element or may be multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. For example: the first transceiver 1002 receives external data from other devices. The first transceiver 1002 is configured to transmit data processed by the first processor 1001 to other devices. Depending on the nature of the computing system, a user interface 1005, such as a keypad, display, speaker, microphone, joystick, may also be provided.
The first processor 1001 is responsible for managing the first bus 1000 and general processing, such as running a general-purpose operating system as described above. And the first memory 1004 may be used to store data used by the first processor 1001 in performing operations.
Alternatively, the first processor 1001 may be a CPU, an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a CPLD (Complex Programmable Logic Device).
In this embodiment, optionally, the first processor 1001 is further configured to:
receiving a DCI (downlink control information) feedback message in a specified time window after the uplink scheduling-free transmission is finished;
and if a DCI feedback message is received and uplink scheduling Grant signaling (UL Grant) in the DCI feedback message has resource scheduling information and a New Data Indication (NDI) as a first value, transmitting the first data on corresponding resources allocated by the UL Grant in a scheduling retransmission mode.
In this embodiment, optionally, the first processor 1001 is further configured to:
receiving DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished;
and if the DCI feedback message is received and the UL Grant in the DCI feedback message has the resource scheduling information and the NDI is a second value, transmitting the residual data of the first data on the corresponding resources allocated by the UL Grant.
In this embodiment, optionally, the first processor 1001 is further configured to:
receiving DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished;
and if the DCI feedback message is received, and the UL Grant in the DCI feedback message has no resource scheduling information and the NDI is a first value, transmitting the first data in a scheduling-free retransmission mode.
In this embodiment, optionally, the first processor 1001 is further configured to:
receiving DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished;
and if the DCI feedback message is not received, sending second data on the resources statically or semi-statically pre-allocated on the network side in an uplink scheduling-free transmission mode.
EXAMPLE seven
Referring to fig. 11, a network side device is shown, which includes a second memory, a second processor and a computer program stored in the second memory and executable on the second processor, and when the second processor executes the program, the following steps are implemented: receiving first data and a buffer status report which are sent by User Equipment (UE) through uplink scheduling-free transmission; determining a feedback message according to the receiving condition of the first data and the buffer status report; and sending the feedback message to the UE, wherein the feedback message is used for notifying the UE of the receiving condition of the first data and notifying the UE whether to need the UE to retransmit the first data or whether to need to send the residual data of the first data.
In fig. 11, a bus architecture (represented by the second bus 1100), the second bus 1100 may include any number of interconnected buses and bridges, and the second bus 1100 links together various circuits including one or more processors, represented by the second processor 1104, and a memory, represented by the second memory 1105. The second bus 1100 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. A second bus interface 1103 provides an interface between the second bus 1100 and the second transceiver 1101. The second transceiver 1101 may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the second processor 1104 is transmitted over a wireless medium via the second antenna 1102, and further, the second antenna 1102 receives the data and forwards the data to the second processor 1104.
The second processor 1104 is responsible for managing the second bus 1100 and general processing, and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And a second memory 1105 may be used to store data used by the second processor 1104 in performing operations.
Alternatively, the second processor 1104 can be a CPU, ASIC, FPGA, or CPLD.
In this embodiment, optionally, the ending time of the uplink non-scheduled transmission is T1, and the network side sends the feedback message to the UE at T1+ k, where k is a positive integer.
In this embodiment, optionally, the value of k is agreed in a protocol or configured by the network side.
Example eight
A computer-readable storage medium on which is stored a computer program (instructions) that when executed by a processor implement the steps of: sending first data through uplink scheduling-free transmission and carrying a buffer status report; determining a data transmission mode according to the condition of receiving a feedback message of a network side; and the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
In this embodiment, optionally, the program (instructions) when executed by the processor implement the following steps:
receiving a DCI (downlink control information) feedback message in a specified time window after the uplink scheduling-free transmission is finished;
and if a DCI feedback message is received and uplink scheduling Grant signaling (UL Grant) in the DCI feedback message has resource scheduling information and a New Data Indication (NDI) as a first value, transmitting the first data on corresponding resources allocated by the UL Grant in a scheduling retransmission mode.
In this embodiment, optionally, the program (instructions) when executed by the processor implement the following steps:
receiving DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished;
and if the DCI feedback message is received and the UL Grant in the DCI feedback message has the resource scheduling information and the NDI is a second value, transmitting the residual data of the first data on the corresponding resources allocated by the UL Grant.
In this embodiment, optionally, the program (instructions) when executed by the processor implement the following steps:
receiving DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished;
and if the DCI feedback message is received, and the UL Grant in the DCI feedback message has no resource scheduling information and the NDI is a first value, transmitting the first data in a scheduling-free retransmission mode.
In this embodiment, optionally, the program (instructions) when executed by the processor implement the following steps:
receiving DCI feedback information in a specified time window after the uplink scheduling-free transmission is finished;
and if the DCI feedback message is not received, sending second data on the resources statically or semi-statically pre-allocated on the network side in an uplink scheduling-free transmission mode.
Example nine
A computer-readable storage medium on which is stored a computer program (instructions) that when executed by a processor implement the steps of: receiving first data and a buffer status report which are sent by User Equipment (UE) through uplink scheduling-free transmission; determining a feedback message according to the receiving condition of the first data and the buffer status report; and sending the feedback message to the UE, wherein the feedback message is used for notifying the UE of the receiving condition of the first data and notifying the UE whether to need the UE to retransmit the first data or whether to need to send the residual data of the first data.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
In addition, the terms "system" and "network" are often used interchangeably herein.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network-side device) to perform some steps of the transceiving method according to various 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 Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the preferred embodiments of the present invention have been described, it should be understood that modifications and adaptations to those embodiments may occur to one skilled in the art without departing from the principles of the present invention and are within the scope of the present invention.

Claims (10)

1. A method of transmission, the method comprising:
user Equipment (UE) sends first data through uplink scheduling-free transmission and carries a buffer status report;
the UE determines a data transmission mode according to the condition of receiving the feedback message of the network side;
the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report, and the feedback message is used for notifying the UE of the receiving condition of the first data and notifying the UE whether the UE needs to retransmit the first data or whether the UE needs to send the remaining data of the first data;
the UE determines a data transmission mode according to the condition of receiving the feedback message of the network side, and the method comprises the following steps:
the UE receives a DCI feedback message of downlink control information in a specified time window after the uplink scheduling-free transmission is finished;
if the UE receives a DCI feedback message, and uplink scheduling Grant signaling (UL Grant) in the DCI feedback message has resource scheduling information and New Data Indication (NDI) as a first value, the UE transmits the first data on corresponding resources allocated by the UL Grant in a scheduling retransmission mode;
if the UE receives a DCI feedback message, and the UL Grant in the DCI feedback message has resource scheduling information and the NDI is a second value, the UE sends the remaining data of the first data on the corresponding resources allocated by the UL Grant;
if the UE receives a DCI feedback message, and the UL Grant in the DCI feedback message has no resource scheduling information and the NDI is a first value, the UE transmits the first data in a scheduling-free retransmission mode;
and if the UE does not receive the DCI feedback message, the UE sends second data on the resources which are statically or semi-statically pre-allocated on the network side in an uplink scheduling-free transmission mode.
2. A method of transmission, the method comprising:
a network side receives first data and a buffer status report which are sent by User Equipment (UE) through uplink scheduling-free transmission;
the network side determines a feedback message according to the receiving condition of the first data and the cache state report;
the network side sends the feedback message to the UE, wherein the feedback message is used for informing the UE of the receiving condition of the first data and informing the UE whether to need the UE to retransmit the first data or whether to need to send the residual data of the first data;
the receiving condition of the feedback message is used for the UE to determine a data transmission mode, the receiving condition of the feedback message refers to that the UE receives the DCI feedback message in a specified time window after uplink scheduling-free transmission is finished, if the UE receives the DCI feedback message and uplink scheduling authorization signaling (UL Grant) in the DCI feedback message has resource scheduling information and New Data Indication (NDI) as a first value, the UE transmits the first data on corresponding resources allocated by the UL Grant in a mode of scheduling retransmission; if the UE receives a DCI feedback message, and the UL Grant in the DCI feedback message has resource scheduling information and the NDI is a second value, the UE sends the remaining data of the first data on the corresponding resources allocated by the UL Grant; if the UE receives a DCI feedback message, and the UL Grant in the DCI feedback message has no resource scheduling information and the NDI is a first value, the UE transmits the first data in a scheduling-free retransmission mode; and if the UE does not receive the DCI feedback message, the UE sends second data on the resources which are statically or semi-statically pre-allocated on the network side in an uplink scheduling-free transmission mode.
3. The transmission method according to claim 2, wherein the ending time of the uplink non-scheduled transmission is time T1, and the network side sends the feedback message to the UE at time T1+ k, where k is a positive integer.
4. The transmission method according to claim 3, wherein the value of k is agreed in a protocol or configured by the network side.
5. A transmission apparatus, characterized in that the apparatus comprises:
the first sending module is used for sending first data through uplink scheduling-free transmission and carrying a buffer status report;
the first determining module is used for determining a data transmission mode according to the condition of receiving the feedback message of the network side;
the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report, and the feedback message is used for notifying the UE of the receiving condition of the first data and notifying the UE whether to need the UE to retransmit the first data or whether to need to send the remaining data of the first data;
the first determining module includes:
a first receiving unit, configured to receive a DCI feedback message within a specified time window after an uplink scheduling-free transmission is finished;
a first sending unit, configured to send, if a DCI feedback message is received and there is resource scheduling information for an uplink scheduling Grant signaling UL Grant in the DCI feedback message and a new data indication NDI is a first value, the first data on a corresponding resource allocated by the UL Grant in a manner of scheduling retransmission;
a second sending unit, configured to send, if a DCI feedback message is received and a UL Grant in the DCI feedback message has resource scheduling information and an NDI is a second value, remaining data of the first data on a corresponding resource allocated by the UL Grant;
a third sending unit, configured to send the first data in a scheduling-free retransmission manner if a DCI feedback message is received, and no resource scheduling information exists in an UL Grant in the DCI feedback message and an NDI is a first value;
and a fourth sending unit, configured to send, if the DCI feedback message is not received, second data on a resource statically or semi-statically pre-allocated on the network side in an uplink scheduling-free transmission manner.
6. A transmission apparatus, characterized in that the apparatus comprises:
the receiving module is used for receiving first data and a buffer status report which are transmitted by User Equipment (UE) through uplink scheduling-free transmission;
a second determining module, configured to determine a feedback message according to the receiving condition of the first data and the buffer status report;
a second sending module, configured to send the feedback message to the UE, where the feedback message is used to notify the UE of a receiving situation of the first data and notify the UE whether the UE needs to retransmit the first data or whether the UE needs to send remaining data of the first data;
the receiving condition of the feedback message is used for the UE to determine a data transmission mode, the receiving condition of the feedback message refers to that the UE receives the DCI feedback message in a specified time window after uplink scheduling-free transmission is finished, if the UE receives the DCI feedback message and uplink scheduling authorization signaling (UL Grant) in the DCI feedback message has resource scheduling information and New Data Indication (NDI) as a first value, the UE transmits the first data on corresponding resources allocated by the UL Grant in a mode of scheduling retransmission; if the UE receives a DCI feedback message, and the UL Grant in the DCI feedback message has resource scheduling information and the NDI is a second value, the UE sends the remaining data of the first data on the corresponding resources allocated by the UL Grant; if the UE receives a DCI feedback message, and the UL Grant in the DCI feedback message has no resource scheduling information and the NDI is a first value, the UE transmits the first data in a scheduling-free retransmission mode; and if the UE does not receive the DCI feedback message, the UE sends second data on the resources which are statically or semi-statically pre-allocated on the network side in an uplink scheduling-free transmission mode.
7. The transmission apparatus according to claim 6, wherein the ending time of the uplink non-scheduled transmission is time T1, and the network side sends the feedback message to the UE at time T1+ k, where k is a positive integer.
8. The transmission apparatus according to claim 7, wherein the value of k is agreed in a protocol or configured by the network side.
9. A user equipment comprising a first memory, a first processor and a computer program stored on the first memory and executable on the first processor, wherein the first processor implements the steps of the transmission method according to claim 1 when executing the program.
10. A network side device comprising a second memory, a second processor and a computer program stored on the second memory and executable on the second processor, wherein the second processor implements the steps of the transmission method according to claim 2 when executing the program.
CN201710146344.7A 2017-03-13 2017-03-13 Transmission method and device Active CN108574559B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710146344.7A CN108574559B (en) 2017-03-13 2017-03-13 Transmission method and device
PCT/CN2018/078467 WO2018166400A1 (en) 2017-03-13 2018-03-08 Transmission method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710146344.7A CN108574559B (en) 2017-03-13 2017-03-13 Transmission method and device

Publications (2)

Publication Number Publication Date
CN108574559A CN108574559A (en) 2018-09-25
CN108574559B true CN108574559B (en) 2021-03-30

Family

ID=63522637

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710146344.7A Active CN108574559B (en) 2017-03-13 2017-03-13 Transmission method and device

Country Status (2)

Country Link
CN (1) CN108574559B (en)
WO (1) WO2018166400A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111526566B (en) * 2019-02-02 2021-09-24 大唐移动通信设备有限公司 SCG state control method, device, UE, MN, SN and medium
CN109982380A (en) * 2019-04-03 2019-07-05 成都中科微信息技术研究院有限公司 A kind of transmission mode selection method in electric power wireless communication system
CN112399577A (en) * 2019-08-16 2021-02-23 索尼公司 Electronic device and method for wireless communication, computer-readable storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102158981A (en) * 2010-02-11 2011-08-17 中兴通讯股份有限公司 Contention-based uplink data transmission method and system
CN102761942A (en) * 2011-04-29 2012-10-31 华为技术有限公司 State switching method, inactive timer starting method and user equipment
CN104244430A (en) * 2013-06-09 2014-12-24 普天信息技术研究院有限公司 Rapid scheduling method
WO2016010227A1 (en) * 2014-07-17 2016-01-21 Lg Electronics Inc. Method and apparatus for requesting scheduling in wireless communication system
CN106385712A (en) * 2015-07-27 2017-02-08 中兴通讯股份有限公司 Data transmission method and system thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101399605B (en) * 2007-09-25 2012-07-18 中兴通讯股份有限公司 VoIP bearing method in time division synchronous CDMA access system
CN101499890B (en) * 2008-02-03 2011-09-14 电信科学技术研究院 Method and device for retransmitting data in non-scheduled transmission failure
CN101754395B (en) * 2008-12-19 2015-03-04 电信科学技术研究院 Feedback information transmission method and system and equipment
CN102457895B (en) * 2010-11-01 2015-08-12 中兴通讯股份有限公司 A kind of buffer state report BSR feedback method and device
EP3547596B1 (en) * 2015-08-07 2021-09-29 Panasonic Intellectual Property Corporation of America Self- and cross-carrier scheduling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102158981A (en) * 2010-02-11 2011-08-17 中兴通讯股份有限公司 Contention-based uplink data transmission method and system
CN102761942A (en) * 2011-04-29 2012-10-31 华为技术有限公司 State switching method, inactive timer starting method and user equipment
CN104244430A (en) * 2013-06-09 2014-12-24 普天信息技术研究院有限公司 Rapid scheduling method
WO2016010227A1 (en) * 2014-07-17 2016-01-21 Lg Electronics Inc. Method and apparatus for requesting scheduling in wireless communication system
CN106385712A (en) * 2015-07-27 2017-02-08 中兴通讯股份有限公司 Data transmission method and system thereof

Also Published As

Publication number Publication date
CN108574559A (en) 2018-09-25
WO2018166400A1 (en) 2018-09-20

Similar Documents

Publication Publication Date Title
CN106954277B (en) Scheduling request processing method and device
CN109802771B (en) Data transmission method, terminal, base station and storage medium
US20210345307A1 (en) Terminal device scheduling method, network device, and terminal device
CN111867116B (en) Communication method and device
CN111867117B (en) Method for activating/deactivating configuration, network equipment and terminal
CN111432476B (en) Beam direction indicating method, base station and terminal
JP2022516899A (en) Wireless communication method and equipment
CN108574559B (en) Transmission method and device
CN110768768A (en) Resource allocation method of sounding reference signal and communication device
JP7179783B2 (en) Information transmission method and device for wireless communication system
US11996959B2 (en) SRS transmission method, access network device, and terminal device
JP6904511B2 (en) Information transmission method and equipment
US20220272755A1 (en) Wireless communication methods, user equipment and network device
WO2019056974A1 (en) Uplink-scheduling determination method, user equipment, and base station
WO2021063034A1 (en) Control method for service transmission, terminal and network device
US20220287074A1 (en) Resource transmission method, terminal and network device
EP4044724A1 (en) Transmitting method and receiving method of beam failure recovery request, terminal and base station
WO2019023912A1 (en) Response feedback method, terminal, and network device
CN110536340B (en) Information transmission method, device and storage medium
CN114503721A (en) Hybrid automatic repeat request feedback method and device
CN113412597A (en) Data transmission method and equipment
CN113424615A (en) Data transmission method and equipment
CN111865534B (en) Information transmission method, network equipment and terminal
WO2024022486A1 (en) Communication method and apparatus, storage medium, network device, and terminal device
CN113300806B (en) Detection method, sending method, terminal and base station of physical downlink control channel

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210604

Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing

Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd.

Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY