CN106506123B - A kind of indicating means and base station - Google Patents
A kind of indicating means and base station Download PDFInfo
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- CN106506123B CN106506123B CN201611250056.8A CN201611250056A CN106506123B CN 106506123 B CN106506123 B CN 106506123B CN 201611250056 A CN201611250056 A CN 201611250056A CN 106506123 B CN106506123 B CN 106506123B
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- 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
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
- H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
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- 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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1806—Go-back-N protocols
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- 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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
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- 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 discloses a kind of indicating means and base stations, method includes: the time delay of base station computing terminal mixed automatic retransfer feedback, and the time delay includes the propagation delay time between the time for demodulating Physical Downlink Shared Channel, the time and the base station and the terminal of modulation physical uplink control channel；The symbolic number that the time delay occupies is calculated according to the symbol lengths that current business uses；Transmission delay indicates information to the terminal, and the time delay indicates that the symbolic number occupied in information comprising the time delay or the type comprising the time delay, the type of the time delay are corresponding with the symbolic number that the time delay occupies.Using the present invention, base station can be made flexibly to indicate the time delay communicated with terminal, be conducive to improve resource utilization, reduce the propagation delay time of business.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of indicating means and base stations.
Background technique
With the rapid development of mobile service, explosive growth, current 4th third-generation mobile communication technology is presented in message volume
That is 4g can no longer meet the demand of new scene.Skill is communicated for the 5th generation in the development of academia and industry all energetically
Art, that is, 5g research.However, the research of the new generation of wireless communication technology and standardization effort needed within long period of time
Continuous evolution is to meet different scene demands, therefore, in standardized initial stage, how to guarantee current standardized skill
Art scheme will not to subsequent evolution during the design of technical solution that is likely to occur cause obstacle needs to pay close attention to
Problem needs emphasis to consider forward compatibility in current standardisation process.The 5th generation communication technology needs support superelevation
The time delay of message transmission rate, the connection number of magnanimity and the transmission of lower data is to meet the needs of for different scenes.Mesh
Preceding future 5G communication prevailing scenario includes the following three types: the mobile broadband of enhancing (enhanced Mobile BroadBand,
EMBB) business, highly reliable low time delay (Ultra-Reliable and Low Latency Communications, URLLC) industry
Business and a large amount of machine type communications (massive Machine Type Communications, mMTC) business.And these three scenes
Targeted type of service is different, and demand is also different.Such as eMBB, the mobile broadband service of enhancing, primarily directed to
The business scenario of higher data rate is needed, two main indexs are high bandwidth and low time delay (it is required that 4ms).In future
On high-frequency communication, the big bandwidth of 100MHz may be supported, and be likely to sometime whole bandwidth and be all distributed directly to one
User.And uplink scheduling time delay and HARQ feedback time delay also bring along time delay influence.MMTC business, a large amount of machine type communication,
Primarily directed to the business scenario largely connected.For URLLC, highly reliable low time delay business, primarily directed to delay requirement with
And the higher business scenario of reliability, delay requirement are 0.5ms, it is also desirable to domain scheduling granularity when reducing, uplink scheduling time delay and
Hybrid automatic repeat-request (Hybrid Automatic Repeat Request, HARQ) HARQ feedback time delay bring time delay
It influences.
The diversification of the above business, so that fixed frame structure at present, fixed frequency domain resource granularity, time-domain resource granularity
Be unable to satisfy the diversified demand of various businesses, if according to current Long Term Evolution (Long Term Evolution,
LTE mode used by time division duplex (Time Division Duplexing, TDD) provides fixed HARQ feedback time delay in)
Configuration, will cause the great wasting of resources, while also will increase the time delay of business transmission.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of indicating means and base station.Flexibly to indicate
The time delay communicated with terminal is conducive to improve resource utilization, reduces the propagation delay time of business.
In order to solve the above-mentioned technical problem, first aspect of the embodiment of the present invention provides a kind of indicating means, comprising:
The time delay of base station computing terminal mixed automatic retransfer feedback, the time delay include demodulation Physical Downlink Shared Channel
Time, modulate physical uplink control channel time and the base station and the terminal between propagation delay time；
The symbolic number that the time delay occupies is calculated according to the symbol lengths that current business uses；
Transmission delay indicates information to the terminal, and the time delay indicates the symbolic number occupied in information comprising the time delay
Or the type comprising the time delay, the type of the time delay are corresponding with the symbolic number that the time delay occupies.
Second aspect of the embodiment of the present invention provides a kind of base station, comprising:
First computing unit, for the time delay of computing terminal mixed automatic retransfer feedback, the time delay includes demodulation physics
The time of DSCH Downlink Shared Channel modulated between the time and the base station and the terminal of physical uplink control channel
Propagation delay time；
Second computing unit, the symbol lengths for being used according to current business calculate the symbolic number that the time delay occupies；
Time delay indicating unit gives the terminal for transmission delay instruction information, includes institute in the time delay instruction information
State the symbolic number of time delay occupancy or the type comprising the time delay, the symbolic number that the type of the time delay and the time delay occupy
It is corresponding.
The third aspect of the embodiment of the present invention provides a kind of indicating means, comprising:
Terminal receives the time delay that base station is sent and indicates information, the symbolic number occupied in the time delay instruction information comprising time delay
Or the type comprising time delay, the type of the time delay is corresponding with the symbolic number that the time delay occupies, and the time delay includes demodulation
Time of Physical Downlink Shared Channel, the time for modulating physical uplink control channel and the base station and the terminal it
Between propagation delay time；
The time delay and the base station communication of information instruction are indicated according to the time delay.
Fourth aspect of the embodiment of the present invention provides a kind of terminal, comprising:
Receiving unit, the time delay for receiving base station transmission indicate information, account in the time delay instruction information comprising time delay
Symbolic number or type comprising time delay, the type of the time delay is corresponding with the symbolic number that the time delay occupies, when described
Prolong including demodulate Physical Downlink Shared Channel time, modulate physical uplink control channel time and the base station with
Propagation delay time between the terminal；
Communication unit, for indicating the time delay and the base station communication of information instruction according to the time delay.
The 5th aspect of the embodiment of the present invention provides a kind of base station, comprising:
Processor, memory, interface circuit and bus, the processor, memory, interface circuit are connected by bus,
Wherein, the memory is used to store a set of program code, and the processor is for calling the program stored in the memory
Code executes following operation:
Computing terminal mixed automatic retransfer feedback time delay, the time delay include demodulate Physical Downlink Shared Channel when
Between, modulation physical uplink control channel time and the base station and the terminal between propagation delay time；
The symbolic number that the time delay occupies is calculated according to the symbol lengths that current business uses；
Transmission delay indicates information to the terminal, and the time delay indicates the symbolic number occupied in information comprising the time delay
Or the type comprising the time delay, the type of the time delay are corresponding with the symbolic number that the time delay occupies.
Wherein, the processor is specifically used for:
The modulation /demodulation ability rating information that the terminal reports is received, is looked into according to the modulation /demodulation ability rating information
Table determines the time of the terminal demodulation Physical Downlink Shared Channel and the time of modulation physical uplink control channel；
The propagation delay time between the base station and the terminal is calculated at a distance from the terminal according to the base station；
Time, the time for modulating physical uplink control channel and the base of Physical Downlink Shared Channel will be demodulated
The propagation delay time between the terminal of standing is added to obtain the time delay.
Wherein, the processor is specifically used for:
It is rounded symbol lengths that the time delay is used divided by current business and to the right and obtains the symbol that the time delay occupies
Number.
Wherein, the processor is specifically used for:
It is introduced by the control unit of radio resource control signaling or media access control or in physical layer scheduling signaling
New information field carries the time delay instruction message, indicates the symbolic number that the time delay occupies；
Alternatively, the type for being pre-stored time delay table corresponding with the symbolic number that the time delay occupies, described in determination
It after the symbolic number that time delay occupies, tables look-up and determines the type of the time delay, pass through radio resource control signaling or media access control
The control unit of system introduces new information field in downgoing control signal, carries the time delay instruction message, indicates the time delay
Type.
Wherein, the processor is also used to:
When the terminal is mobile, the time delay instruction information is updated with predetermined period and sends updated time delay instruction
Information gives the terminal；
When the modulation /demodulation ability rating of the terminal or the current type of service of the terminal change, immediately
It updates the time delay instruction information and sends updated time delay instruction information to the terminal.
The 6th aspect of the embodiment of the present invention provides a kind of terminal, comprising:
Processor, memory, interface circuit and bus, the processor, memory, interface circuit are connected by bus,
Wherein, the memory is used to store a set of program code, and the processor is for calling the program stored in the memory
Code executes following operation:
Receive the time delay that base station is sent and indicate information, the symbolic number that occupies in time delay instruction information comprising time delay or
Type comprising time delay, the type of the time delay is corresponding with the symbolic number that the time delay occupies, and the time delay includes demodulation physics
The time of DSCH Downlink Shared Channel modulated between the time and the base station and the terminal of physical uplink control channel
Propagation delay time；
The time delay and the base station communication of information instruction are indicated according to the time delay.
The implementation of the embodiments of the present invention has the following beneficial effects:
The time delay that base station is fed back by computing terminal mixed automatic retransfer, the symbol that then can be used according to current business
The symbolic number that time delay described in length computation occupies, and transmission delay instruction information, to terminal, such terminal can define specific
Time delay, HARQ feedback is transmitted according to the time delay, conducive to realize Fast HARQ feedback realization, can be more efficient using money
Source and the time delay for reducing data transmission, can be adapted for the multiple business scene of the following 5G, bring better use for user
Experience.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow diagram of the first embodiment of indicating means of the present invention；
Fig. 2 is the flow diagram of the second embodiment of indicating means of the present invention；
Fig. 3 is the composition schematic diagram of the first embodiment of base station of the present invention；
Fig. 4 is the composition schematic diagram of the second embodiment of base station of the present invention；
Fig. 5 is the flow diagram of the 3rd embodiment of indicating means of the present invention；
Fig. 6 is the composition schematic diagram of the first embodiment of terminal of the present invention；
Fig. 7 is the composition schematic diagram of the second embodiment of terminal of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Terminal in the embodiment of the present invention may include smart phone (such as Android phone, IOS mobile phone, Windows
Phone mobile phone etc.), tablet computer, palm PC, laptop, mobile internet device (MID, Mobile Internet
Devices) or wearable device etc., above-mentioned user equipment are only citings, and non exhaustive, are set including but not limited to above-mentioned user
It is standby, application can be installed, its function is extended.
Term " includes " in description and claims of this specification and above-mentioned attached drawing and " having " and they appoint
What is deformed, it is intended that is covered and non-exclusive is included.Such as contain the process, method, system, production of a series of steps or units
Product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or unit, or
Optionally further comprising the other step or units intrinsic for these process, methods, product or equipment.
Fig. 1 is please referred to, is the flow diagram of the first embodiment of indicating means of the present invention, it is in the present embodiment, described
Method the following steps are included:
S101, the time delay of base station computing terminal mixed automatic retransfer feedback.
Wherein, the time delay in the embodiment of the present invention is the time delay in 5G NR, with the protection time slot in existing LTE
(Guard Period, GP) is similar.
The time delay include demodulation Physical Downlink Shared Channel (Physical Downlink Shared Channel,
PDSCH time), modulation physical uplink control channel (Physical Uplink Control Channel, PUCCH)
Time and the base station and the terminal between propagation delay time.
PDSCH can be used for carrying the data from DSCH Downlink Shared Channel.PUCCH can be used for carrying the anti-of mixed automatic retransfer
Message is presented, such as confirms character (Acknowledge Character, ACK)/negative acknowledge character (NoAcknowledge
Character, NACk).
Wherein, the time of terminal demodulation downlink data and modulation uplink signal is related to the performance of terminal, terminal and base station
Between propagation delay time with it is between the two at a distance from it is related.And for base station, when its issue downlink data after, base station with
Propagation delay time between terminal is the ratio of twice of distance between the two with signaling rate.
S102 calculates the symbolic number that the time delay occupies according to the symbol lengths that current business uses.
Wherein, in 5G NR, according to different business, base station can be used different subframe structures and communicate with terminal.No
Symbol quantity can be different in same subframe structure, and the time that each symbol occupies can also be different, so as to according to business
Demand flexible configuration use different subframes.
Optionally, after the subframe type that current business uses has been determined, base station can carry spirit for 5G NR configuration
The frame structure of changeable time delay living may include that downlink (Down Link, DL) control signal occupies in new frame structure
The symbol and uplink (Up Link, UP) control letter of symbol, time delay occupancy that symbol, downlink transmission data occupy
The symbol that road occupies.
S103, transmission delay indicate information to the terminal.
Optionally, the symbolic number comprising time delay occupancy or the class comprising the time delay in the time delay instruction information
Type, the type of the time delay are corresponding with the symbolic number that the time delay occupies.
When the symbolic number in time delay instruction information directly comprising time delay occupancy, terminal is receiving the time delay
Indicate information after can directly according to base station indicate time delay occupy symbolic number come with base station communication.When the time delay indicates
It, can be with since the type of the time delay is corresponding with the symbolic number that the time delay occupies when in information including the type of the time delay
The corresponding table that latency type occupies symbolic number with time delay is pre-stored on base station and terminal, terminal is receiving time delay instruction letter
It can be tabled look-up after breath to confirm the symbolic number of time delay occupancy.
It optionally, can be using system original instruction such as wireless heterogeneous networks when sending the time delay instruction information
Control unit (the Media of (Radio Resource Control, RRC) signaling, physical layer signaling or media access control
Access Control Control Element, MAC CE) notification message that sends or other systems signaling send, and it can also be with
It is the instruction of neotectonics, base station can configure its structure, form and the content of carrying to send.
In the present embodiment, the time delay that base station is fed back by computing terminal mixed automatic retransfer, then can be according to current
The symbol lengths that business uses calculate the symbolic number that the time delay occupies, and transmission delay instruction information is to terminal, such terminal
Specific time delay can be specified, HARQ feedback is transmitted according to the time delay, it, can be with conducive to the realization for realizing Fast HARQ feedback
The more efficient time delay sent using resource and reduction data, can be adapted for the multiple business scene of the following 5G, is user
Bring better usage experience.
It referring to figure 2., is the composition schematic diagram of the second embodiment of indicating means of the present invention, it is in the present embodiment, described
Method the following steps are included:
S201 receives the modulation /demodulation ability rating information that the terminal reports, according to the modulation /demodulation ability rating
Information table look-up determine terminal demodulation Physical Downlink Shared Channel time and modulation physical uplink control channel when
Between.
Wherein, the modulation /demodulation ability rating of terminal can be determined according to the performance of terminal, can be a performance model
Enclose corresponding one specific demodulation time and modulation time.The embodiment of the present invention is not limited in any way.For example, 4 can be defined
Ability rating is indicated with 2 bit.Each grade corresponding specific demodulation time and modulation time, terminal can be by the energy of oneself
Power grade is reported to base station, and such base station can table look-up the ability rating of determining terminal according to the information reported, then according to should
Ability rating determines demodulation time and modulation time.
S202, when calculating the transmission between the base station and the terminal at a distance from the terminal according to the base station
Prolong.
S203, by demodulate Physical Downlink Shared Channel time, modulate physical uplink control channel time and
Propagation delay time between the base station and the terminal is added to obtain the time delay.
S204 is rounded symbol lengths that the time delay is used divided by current business and to the right and obtains what the time delay occupied
Symbolic number.
Optionally, other than the mode being rounded to the right, it can also go that calculated result is directly added 1 or be rounded after adding 2, this hair
Bright embodiment is not limited in any way, it is only necessary to guarantee that terminal can have enough time delay feedback informations.
S205, the base station pass through the control unit of radio resource control signaling or media access control or in physical layer tune
New information field is introduced in degree signaling, carries the time delay instruction message, indicates the symbolic number that the time delay occupies.
Optionally, the type table corresponding with the symbolic number that the time delay occupies of the time delay, In can also be pre-stored
After determining the symbolic number that the time delay occupies, tables look-up and determine the type of the time delay, pass through radio resource control signaling or matchmaker
The control unit of body access control introduces new information field in downgoing control signal, carries the time delay instruction message, indicates
The type of the time delay.
Optionally, when the terminal is mobile, terminal can change at a distance from base station, under such circumstances, base station
The time delay instruction information can be updated with predetermined period and sends updated time delay instruction information to the terminal；
For power saving consideration, battery saving mode would generally be arranged in existing terminal, and in a power-save mode, the performance of terminal can drop
Low, the modulation /demodulation ability rating that may cause terminal changes.In addition, terminal carries out type of service it can also happen that becoming
Change.When the modulation /demodulation ability rating of the terminal or the current type of service of the terminal change, immediate updating
The time delay indicates information and sends updated time delay instruction information to the terminal.This is because the modulation /demodulation of terminal
Ability rating will be directly changed the demodulation time and modulation time of terminal, and type of service is related to the symbol lengths of subframe, industry
Service type variation will result directly in the symbolic number that the time delay occupies and change, and the two factors change to it is described when
The variation prolonged is affected, therefore can indicate information with immediate updating time delay and inform terminal.
The mode that updated time delay instruction information occurs is referred to the sending method before not updating, no longer superfluous herein
It states.
In the present embodiment, the mode of specific time-delay calculation mode and time delay instruction information update is described, is conducive to
Base station changes according to the position of terminal, ability rating and type of service variation adjusts specific time delay in real time, realizes precisely instruction,
Resource utilization is improved, business propagation delay time is reduced.
Referring to figure 3., for base station of the present invention first embodiment composition schematic diagram；In the present embodiment, the base station
Include:
First computing unit 100, for the time delay of computing terminal mixed automatic retransfer feedback, the time delay includes demodulation object
It manages the time of DSCH Downlink Shared Channel, modulate between the time and the base station and the terminal of physical uplink control channel
Propagation delay time；
Second computing unit 200, the symbol lengths for being used according to current business calculate the symbol that the time delay occupies
Number；
Time delay indicating unit 300 gives the terminal for transmission delay instruction information, includes in the time delay instruction information
The symbol that the symbolic number that the time delay occupies or the type comprising the time delay, the type of the time delay and the time delay occupy
Number corresponds to.
Optionally, first computing unit 100 is specifically used for:
The modulation /demodulation ability rating information that the terminal reports is received, is looked into according to the modulation /demodulation ability rating information
Table determines the time of the terminal demodulation Physical Downlink Shared Channel and the time of modulation physical uplink control channel；
The propagation delay time between the base station and the terminal is calculated at a distance from the terminal according to the base station；
Time, the time for modulating physical uplink control channel and the base of Physical Downlink Shared Channel will be demodulated
The propagation delay time between the terminal of standing is added to obtain the time delay.
Optionally, second computing unit 200 is specifically used for:
It is rounded symbol lengths that the time delay is used divided by current business and to the right and obtains the symbol that the time delay occupies
Number.
Optionally, the time delay indicating unit 300 is specifically used for:
It is introduced by the control unit of radio resource control signaling or media access control or in physical layer scheduling signaling
New information field carries the time delay instruction message, indicates the symbolic number that the time delay occupies；
Alternatively, the type for being pre-stored time delay table corresponding with the symbolic number that the time delay occupies, described in determination
It after the symbolic number that time delay occupies, tables look-up and determines the type of the time delay, pass through radio resource control signaling or media access control
The control unit of system introduces new information field in downgoing control signal, carries the time delay instruction message, indicates the time delay
Type.
Optionally, the time delay indicating unit 300 is also used to:
When the terminal is mobile, the time delay instruction information is updated with predetermined period and sends updated time delay instruction
Information gives the terminal；
When the modulation /demodulation ability rating of the terminal or the current type of service of the terminal change, immediately
It updates the time delay instruction information and sends updated time delay instruction information to the terminal.
Above first computing unit 100, the second computing unit 200 and time delay indicating unit 300 can be individually present, can also
With integrally disposed, the first computing unit 100, the second computing unit 200 and time delay indicating unit 300 can in the form of hardware solely
The processor for standing on base station is separately provided, and form is arranged and can be the form of microprocessor；It can also embed in the form of hardware
In the processor of the base station, it can also be stored in a software form in the memory of the base station, in order to the processing of the base station
Device, which calls, executes above first computing unit 100, the second computing unit 200 and the corresponding operation of time delay indicating unit 300.
For example, in the first embodiment (embodiment shown in Fig. 3) of base station of the present invention, the second computing unit 200 can be with
For the processor of the base station, and the function of the first computing unit 100 and time delay indicating unit 300 can be embedded in the processor
In, it can also be separately provided, can also be stored in memory in the form of software independently of processor, be called by processor real
Its existing function.The embodiment of the present invention does not do any restrictions.The above processor can for central processing unit (CPU), microprocessor,
Single-chip microcontroller etc..
Referring to figure 3., for base station of the present invention second embodiment composition schematic diagram, in the present embodiment, the base station
Include:
Processor 110, memory 120, interface circuit 130 and bus 140, the processor 110, memory 120, interface
Circuit 130 is connected by bus 140, wherein the memory 120 is used to store a set of program code, and the processor 110 is used
In calling the program code stored in the memory 120, following operation is executed:
Computing terminal mixed automatic retransfer feedback time delay, the time delay include demodulate Physical Downlink Shared Channel when
Between, modulation physical uplink control channel time and the base station and the terminal between propagation delay time；
The symbolic number that the time delay occupies is calculated according to the symbol lengths that current business uses；
Transmission delay indicates information to the terminal, and the time delay indicates the symbolic number occupied in information comprising the time delay
Or the type comprising the time delay, the type of the time delay are corresponding with the symbolic number that the time delay occupies.
Optionally, the processor 110 is specifically used for:
The modulation /demodulation ability rating information that the terminal reports is received, is looked into according to the modulation /demodulation ability rating information
Table determines the time of the terminal demodulation Physical Downlink Shared Channel and the time of modulation physical uplink control channel；
The propagation delay time between the base station and the terminal is calculated at a distance from the terminal according to the base station；
Time, the time for modulating physical uplink control channel and the base of Physical Downlink Shared Channel will be demodulated
The propagation delay time between the terminal of standing is added to obtain the time delay.
Wherein, the processor 110 is specifically used for:
It is rounded symbol lengths that the time delay is used divided by current business and to the right and obtains the symbol that the time delay occupies
Number.
Wherein, the processor 110 is specifically used for:
It is introduced by the control unit of radio resource control signaling or media access control or in physical layer scheduling signaling
New information field carries the time delay instruction message, indicates the symbolic number that the time delay occupies；
Alternatively, the type for being pre-stored time delay table corresponding with the symbolic number that the time delay occupies, described in determination
It after the symbolic number that time delay occupies, tables look-up and determines the type of the time delay, pass through radio resource control signaling or media access control
The control unit of system introduces new information field in downgoing control signal, carries the time delay instruction message, indicates the time delay
Type.
Optionally, the processor 110 is also used to:
When the terminal is mobile, the time delay instruction information is updated with predetermined period and sends updated time delay instruction
Information gives the terminal；
When the modulation /demodulation ability rating of the terminal or the current type of service of the terminal change, immediately
It updates the time delay instruction information and sends updated time delay instruction information to the terminal.
It referring to figure 5., is the flow diagram of the 3rd embodiment of indicating means of the present invention, comprising the following steps:
S501, terminal receive the time delay that base station is sent and indicate information.
Wherein, the symbolic number comprising time delay occupancy or the type comprising time delay in the time delay instruction information, when described
The type prolonged is corresponding with the symbolic number that the time delay occupies, and the time delay includes the time for demodulating Physical Downlink Shared Channel, adjusts
Propagation delay time between the time of physical uplink control channel processed and the base station and the terminal.
S502 indicates the time delay and the base station communication of information instruction according to the time delay.
Fig. 6 is please referred to, is the composition schematic diagram of the first embodiment of terminal of the present invention, the terminal includes:
Receiving unit 400, the time delay for receiving base station transmission indicate information
Symbolic number comprising time delay occupancy or the type comprising time delay, the class of the time delay in the time delay instruction information
Type is corresponding with the symbolic number that the time delay occupies, and the time delay includes the time for demodulating Physical Downlink Shared Channel, modulation physics
Propagation delay time between the time of uplink control channel and the base station and the terminal.
Communication unit 500, for indicating the time delay and the base station communication of information instruction according to the time delay.
Fig. 7 is please referred to, is the composition schematic diagram of the second embodiment of terminal of the present invention, the terminal includes:
Processor 210, memory 220, interface circuit 230 and bus 240, the processor 210, memory 220, interface
Circuit 230 is connected by bus 240, wherein the memory 220 is used to store a set of program code, and the processor 210 is used
In calling the program code stored in the memory 220, following operation is executed:
Receive the time delay that base station is sent and indicate information, the symbolic number that occupies in time delay instruction information comprising time delay or
Type comprising time delay, the type of the time delay is corresponding with the symbolic number that the time delay occupies, and the time delay includes demodulation physics
The time of DSCH Downlink Shared Channel modulated between the time and the base station and the terminal of physical uplink control channel
Propagation delay time；
The time delay and the base station communication of information instruction are indicated according to the time delay.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is all differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device embodiment, since it is basically similar to the method embodiment, so being described relatively simple, related place referring to
The part of embodiment of the method illustrates.
Description through the foregoing embodiment, the invention has the following advantages that
The time delay that base station is fed back by computing terminal mixed automatic retransfer, the symbol that then can be used according to current business
The symbolic number that time delay described in length computation occupies, and transmission delay instruction information, to terminal, such terminal can define specific
Time delay, HARQ feedback is transmitted according to the time delay, conducive to realize Fast HARQ feedback realization, can be more efficient using money
Source and the time delay for reducing data transmission, can be adapted for the multiple business scene of the following 5G, bring better use for user
Experience.And base station can be changed according to the position of terminal, ability rating and type of service variation adjusts specific time delay in real time, it is real
Now precisely instruction, improves resource utilization, reduces business propagation delay time.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, abbreviation ROM) or random access memory (Random
Access Memory, abbreviation RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of indicating means characterized by comprising
Base station obtain terminal demodulation Physical Downlink Shared Channel time, modulate physical uplink control channel time and
Propagation delay time between the base station and the terminal, and by demodulation time of Physical Downlink Shared Channel, the modulation
Propagation delay time between the time of physical uplink control channel and the base station and the terminal is added, and obtains the end
Hold the time delay of mixed automatic retransfer feedback；
The value obtained after the symbol lengths that the time delay is used divided by current business are rounded to the right, alternatively, the time delay divided by
The value for the symbol lengths that current business uses adds the value being rounded to the right after any positive integer, occupies as the time delay
Symbolic number；
Transmission delay indicates information to the terminal, the symbolic number that occupies in time delay instruction information comprising the time delay or
Type comprising the time delay, the type of the time delay are corresponding with the symbolic number that the time delay occupies.
2. the method as described in claim 1, which is characterized in that the base station obtains terminal demodulation Physical Downlink Shared Channel
Time, the propagation delay time modulated between the time and the base station and the terminal of physical uplink control channel include:
The modulation /demodulation ability rating information that the terminal reports is received, is tabled look-up really according to the modulation /demodulation ability rating information
The time of the fixed terminal demodulation Physical Downlink Shared Channel and the time of modulation physical uplink control channel；
The propagation delay time between the base station and the terminal is calculated at a distance from the terminal according to the base station.
3. the method as described in claim 1, which is characterized in that the transmission delay instruction information gives the terminal, comprising:
The base station passes through the control unit of radio resource control signaling or media access control or in physical layer scheduling signaling
New information field is introduced, the time delay instruction message is carried, indicates the symbolic number that the time delay occupies；
Alternatively, the type for being pre-stored time delay table corresponding with the symbolic number that the time delay occupies, is determining the time delay
It after the symbolic number of occupancy, tables look-up and determines the type of the time delay, pass through radio resource control signaling or media access control
Control unit introduces new information field in downgoing control signal, carries the time delay instruction message, indicates the class of the time delay
Type.
4. the method as described in claim 1, which is characterized in that
When the terminal is mobile, the time delay instruction information is updated with predetermined period and sends updated time delay instruction information
To the terminal；
When the modulation /demodulation ability rating of the terminal or the current type of service of the terminal change, immediate updating
The time delay indicates information and sends updated time delay instruction information to the terminal.
5. a kind of base station characterized by comprising
First computing unit, for obtaining time, the modulation physics uplink control of terminal demodulation Physical Downlink Shared Channel
Propagation delay time between the time of channel and the base station and the terminal, and by the demodulation Physical Downlink Shared Channel
Propagation delay time phase between time, the time and the base station and the terminal for modulating physical uplink control channel
Add, obtains the time delay of the terminal mixed automatic retransfer feedback；
Second computing unit, the value that the symbol lengths for using the time delay divided by current business obtain after being rounded to the right,
Alternatively, the value for the symbol lengths that the time delay is used divided by current business adds the value being rounded to the right after any positive integer,
The symbolic number occupied as the time delay；
Time delay indicating unit gives the terminal for transmission delay instruction information, when including described in the time delay instruction information
Prolong the symbolic number of occupancy or the type comprising the time delay, the symbolic number pair that the type of the time delay and the time delay occupy
It answers.
6. base station as claimed in claim 5, which is characterized in that first computing unit is specifically used for:
The modulation /demodulation ability rating information that the terminal reports is received, is tabled look-up really according to the modulation /demodulation ability rating information
The time of the fixed terminal demodulation Physical Downlink Shared Channel and the time of modulation physical uplink control channel；
The propagation delay time between the base station and the terminal is calculated at a distance from the terminal according to the base station.
7. base station as claimed in claim 5, which is characterized in that the time delay indicating unit is specifically used for:
It is introduced by the control unit of radio resource control signaling or media access control or in physical layer scheduling signaling new
Information field carries the time delay instruction message, indicates the symbolic number that the time delay occupies；
Alternatively, the type for being pre-stored time delay table corresponding with the symbolic number that the time delay occupies, is determining the time delay
It after the symbolic number of occupancy, tables look-up and determines the type of the time delay, pass through radio resource control signaling or media access control
Control unit introduces new information field in downgoing control signal, carries the time delay instruction message, indicates the class of the time delay
Type.
8. base station as claimed in claim 5, which is characterized in that the time delay indicating unit is also used to:
When the terminal is mobile, the time delay instruction information is updated with predetermined period and sends updated time delay instruction information
To the terminal；
When the modulation /demodulation ability rating of the terminal or the current type of service of the terminal change, immediate updating
The time delay indicates information and sends updated time delay instruction information to the terminal.
9. a kind of indicating means characterized by comprising
Terminal receives the time delay that base station is sent and indicates information, the symbolic number that occupies in time delay instruction information comprising time delay or
Type comprising time delay, the type of the time delay is corresponding with the symbolic number that the time delay occupies, and the time delay is the terminal solution
Adjust the time of Physical Downlink Shared Channel, the time of modulation physical uplink control channel and the base station and the terminal
Between propagation delay time be added after obtain；
The time delay and the base station communication of information instruction are indicated according to the time delay.
10. a kind of terminal characterized by comprising
Receiving unit, the time delay for receiving base station transmission indicate information, occupy in the time delay instruction information comprising time delay
Symbolic number or type comprising time delay, the type of the time delay is corresponding with the symbolic number that the time delay occupies, and the time delay is
The time of the terminal demodulation Physical Downlink Shared Channel, the time for modulating physical uplink control channel and the base station
What the propagation delay time between the terminal obtained after being added；
Communication unit, for indicating the time delay and the base station communication of information instruction according to the time delay.
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| WO2022024089A1 (en) * | 2020-07-31 | 2022-02-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for physical downlink shared channel scheduling delay counting |
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| US10097260B2 (en) | 2017-02-06 | 2018-10-09 | Qualcomm Incorporated | Current indication channel for eMBB/URLLC multiplexing |
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| CN108633031B (en) * | 2017-03-24 | 2021-11-19 | 北京紫光展锐通信技术有限公司 | Retransmission method, retransmission device, base station and user equipment for enhancing mobile broadband service data |
| WO2018176498A1 (en) * | 2017-04-01 | 2018-10-04 | Qualcomm Incorporated | SCHEMES FOR RECOVERY OF eMBB's RS PUNCTURING FROM DYNAMIC MULTIPLEXING OF URLLC/eMBB |
| CN108809508B (en) | 2017-05-05 | 2021-09-10 | 大唐移动通信设备有限公司 | Method and device for determining whether data is damaged |
| CN107241288B (en) * | 2017-06-19 | 2020-10-16 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for indicating occupied resources in service multiplexing scene |
| CN109121211B (en) | 2017-06-23 | 2020-08-25 | 维沃移动通信有限公司 | Indication method, base station and eMBB UE |
| CN109309549B (en) * | 2017-07-27 | 2022-04-05 | 深圳传音控股股份有限公司 | Feedback duration indication and confirmation method, base station and user equipment |
| CN109391371B (en) * | 2017-08-10 | 2021-06-18 | 北京紫光展锐通信技术有限公司 | Hybrid automatic repeat request feedback method, device and user equipment |
| CN109688595A (en) * | 2017-10-18 | 2019-04-26 | 珠海市魅族科技有限公司 | For base station or the processing method and processing device of the data processing time delay of terminal |
| CN109687942A (en) * | 2017-10-18 | 2019-04-26 | 珠海市魅族科技有限公司 | For base station or the method and device of the radio network configuration feedback delay of terminal |
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