CN104811262B - Duplicate message sending, receiving method and base station and user equipment - Google Patents
Duplicate message sending, receiving method and base station and user equipment Download PDFInfo
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- CN104811262B CN104811262B CN201410034943.6A CN201410034943A CN104811262B CN 104811262 B CN104811262 B CN 104811262B CN 201410034943 A CN201410034943 A CN 201410034943A CN 104811262 B CN104811262 B CN 104811262B
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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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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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
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/189—Transmission or retransmission of more than one copy of a message
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of duplicate message sending, receiving method and base station and user equipmenies.Wherein, duplicate message sending method includes: that base station sends the physical layer signaling for indicating duplicate message or high-level signaling to user equipment, wherein, which is used to adjust the number of transmissions of channel, which includes at least one of: levels of repetition, number of repetition, covering grade.Through the invention, it solves the problems, such as to avoid the wasting of resources using the wasting of resources or number of repetition deficiency caused by fixed iterative transfer times transmission respective channel, improve the covering performance of user equipment.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of transmission of duplicate message, duplicate message method of reseptance and base
It stands and user equipment.
Background technique
Machine type communication (Machine Type Communication, referred to as MTC) user terminal (User
Equipment, referred to as UE, also known as user equipment or terminal), also known as machine to machine (Machine to Machine,
Referred to as M2M) user communication device is the main application form of current Internet of Things.In recent years, due to long term evolution (Long-
Term Evolution, referred to as LTE) and/advanced long-term evolution system (Long-Term Evolution Advance, referred to as
LTE-Advance or LTE-A) spectrum efficiency it is high, more and more mobile operator select LTE/LTE-A as broadband wireless
The evolution tendency of communication system；MTC multiple types data service based on LTE/LTE-A also will be more attractive.
In the application terminal MTC, there is a Terminal Type limited so as to cause spreadability due to present position or self-characteristic
It can be remarkably decreased.Such as: smart meter reading class MTC terminal is fixedly mounted on mostly under the low covering performance environment such as basement, master
Send away a parcel data, and the requirement to data rate is low, can tolerate biggish data transmission delay.Due to such terminal log
It is low according to rate requirement, for physical down Traffic Channel (Physical Downlink Share Channel, referred to as
PDSCH, also known as Physical Downlink Shared Channel), physical uplink Traffic Channel (Physical Uplink Share Channel,
Referred to as PUSCH, also known as physical uplink Traffic Channel), Physical Downlink Control Channel (Physical Downlink
Control Channel, referred to as PDCCH), Physical Uplink Control Channel (Physical Uplink Control
Channel, referred to as PDCCH) etc. can pass through repeat transmission identical information promoted covering performance.Fig. 1 is LTE in the related technology
The time-frequency domain structural schematic diagram of control channel in one subframe of system shows Physical Downlink Control Channel and physics in Fig. 1
Position of the downlink traffic channel in subframe.
Fixed iterative transfer times are used in the related technology to transmit corresponding channel, to promote covering performance.So
And inventor has found in the course of the research: occupying a large amount of resource, and different covering promotion demands due to repeating the meeting of transmission band
Corresponding number of repetition is also different, if transmitted according to a kind of number of repetition always, in changes in channel conditions,
It then will appear the repetition wasting of resources or the inadequate situation of number of repetition.
For the wasting of resources caused by the iterative transfer times transmission respective channel in the related technology using fixation or again
Again the insufficient problem of number, currently no effective solution has been proposed.
Summary of the invention
The present invention provides a kind of transmission of duplicate message, duplicate message method of reseptance and base station and user equipmenies, at least
It solves to transmit the wasting of resources caused by respective channel or number of repetition not using fixed iterative transfer times in the related technology
The problem of foot.
According to an aspect of the invention, there is provided a kind of duplicate message sending method, comprising: base station sends instruction and repeats
The physical layer signaling or high-level signaling of information are to user equipment, wherein the duplicate message is used to adjust the transmission time of channel
Number, the duplicate message includes at least one of: levels of repetition, number of repetition, covering grade.
Preferably, the user equipment includes: machine type communication device.
Preferably, the channel includes at least one of: down control channel, uplink control channel, downlink business letter
Road, reverse link traffic channel.
Preferably, in the case where the base station sends the duplicate message by the physical layer signaling, the physics
Layer signaling includes following one: the domain bit in the Downlink Control Information of enhancing, leads to the domain bit in newly-increased Downlink Control Information
Cross the signaling of multiplexing transmission technology Yu Downlink Control Information multiplexing transmission.
Preferably, in the case where the base station sends the duplicate message by physical layer signaling, the physics is sent
The starting subframe of layer signaling includes following one: predetermined subframe, corresponding with current levels of repetition subframe and will be adjusted to
The corresponding subframe of levels of repetition.
Preferably, the predetermined subframe includes: the subframe 0 of radio frames, alternatively, meeting the son of C=0 (k+10 × SFN) mod
Frame；Wherein, k=1,2,3 ...；The System Frame Number of SFN expression radio frames；Mod is modulo operation；C is positive integer, indicates predetermined week
Phase；The subframe corresponding with current levels of repetition includes: starting identical with the control channel of the current levels of repetition
Frame；The subframe corresponding with levels of repetition that is will being adjusted to includes: the control with the levels of repetition that will be adjusted to
The identical starting subframe of channel.
Preferably, the base station is once sending or in such a way that the multiple groups in predetermined time window repeat to send, hair
Send the physical layer signaling or the high-level signaling.
Preferably, described in the case where the base station repeatedly sends the physical layer signaling or the high-level signaling
Base station sends the physical layer signaling or the high-level signaling with scheduled sending cycle.
Preferably, the base station send the physical layer signaling or the high-level signaling to the user equipment it
Afterwards, the method also includes: the base stations to receive the user equipment to the physical layer signaling or the high-level signaling
Feedback.
Preferably, a physical layer signaling or the high-level signaling are used to adjust a channel in the channel
Or the number of transmissions of one group of channel, wherein one group of channel includes the combination of at least two channels in the channel.
Preferably, after the duplicate message has sent the physical layer signaling or the high-level signaling in the base station
It comes into effect or the duplicate message is sending the physical layer signaling or the high-level signaling and passing through predetermined time window
After come into force or the duplicate message is opened from the next sending cycle for sending the physical layer signaling or the high-level signaling
Beginning comes into force or the base station receives the user equipment to the feedback information of the physical layer signaling or the high-level signaling
After come into effect.
Preferably, in the case where the channel includes down control channel, the duplicate message is also used to: keeping institute
State down control channel the number of transmissions it is constant in the case where, the downlink adjusted in all or part of sub-frame set controls letter
The polymerization grade in road；Alternatively, adjusting the down control channel of specific aggregation grade in all or part of sub-frame set
The number of transmissions, wherein the specific aggregation grade includes one or more polymerization grade.
Preferably, described in the base station is only sent in the case where adjusting current levels of repetition toward lesser levels of repetition
Duplicate message is to the user equipment, wherein the corresponding the number of transmissions of the lesser levels of repetition is less than the current repetition
The corresponding the number of transmissions of grade.
Preferably, the number of transmissions for adjusting the channel includes: to adjust the part subframe for being used for transmission the channel
Collection closes the number of transmissions of the channel.
Preferably, the letter is adjusted after the number of transmissions of the channel on adjusting the part sub-frame set
The number of transmissions in road further include: the channel in the part sub-frame set is determined by way of at least one of
Transmission is stablized: being received data by the channel in the part sub-frame set, is received the expression transmission of opposite end response surely
Fixed confirmation message, when reaching predetermined space after the number of transmissions of the channel on adjusting the part sub-frame set
Between；Adjust the number of transmissions of the channel in other all or part of sub-frame sets, wherein other described subframes include:
Transmit the sub-frame set for not adjusting the number of transmissions in whole sub-frame sets of the channel.
Preferably, in the case where the duplicate message is levels of repetition, the physical layer signaling is sent in the base station
Or before the high-level signaling to the user equipment, the method also includes: the base station, which determines, sends the physical layer
Levels of repetition used in signaling or the high-level signaling, wherein the base station passes through described in determining levels of repetition transmission
Physical layer signaling or the high-level signaling are to the user equipment.
Preferably, the base station, which determines, sends levels of repetition used in the physical layer signaling or the high-level signaling
Including at least one of: the base station determines current levels of repetition to send the physical layer signaling or the high-level signaling
Used levels of repetition；The base station determines that maximum levels of repetition is to send the physical layer signaling or the high-level signaling
Used levels of repetition；In the case where adjusting the current levels of repetition toward lesser levels of repetition, the base station is true
The fixed current levels of repetition is to send levels of repetition used in the physical layer signaling or the high-level signaling；By institute
Current levels of repetition is stated toward in the case where the adjustment of biggish levels of repetition, the base station determines the maximum levels of repetition to send
Levels of repetition used in the physical layer signaling or the high-level signaling；Wherein, the maximum levels of repetition is that basis is matched
What the maximal cover grade set determined；The lesser levels of repetition, the current levels of repetition, described biggish repetition etc.
Grade, the corresponding the number of transmissions of the maximum levels of repetition are in the trend being sequentially increased.
According to another aspect of the present invention, a kind of duplicate message method of reseptance is additionally provided, comprising: user equipment receives
Indicate the physical layer signaling or high-level signaling of duplicate message, wherein the duplicate message is used to adjust the number of transmissions of channel, institute
Stating duplicate message includes at least one of: levels of repetition, number of repetition, covering grade.
According to another aspect of the present invention, a kind of base station is additionally provided, comprising: transceiver station, for sending instruction weight
The physical layer signaling or high-level signaling of complex information are to user equipment, wherein the duplicate message is used to adjust the transmission time of channel
Number, the duplicate message includes at least one of: levels of repetition, number of repetition, covering grade.
According to another aspect of the present invention, a kind of user equipment is additionally provided, comprising: receiver, for receiving instruction
The physical layer signaling or high-level signaling of duplicate message, wherein the duplicate message is used to adjust the number of transmissions of channel, described heavy
Complex information includes at least one of: levels of repetition, number of repetition, covering grade.
Through the invention, the physical layer signaling or high-level signaling that base station sends instruction duplicate message to user equipment,
In, which is used to adjust the number of transmissions of channel, which includes at least one of: levels of repetition, repetition
Number, covering grade are solved using the wasting of resources or repetition caused by fixed iterative transfer times transmission respective channel
The problem of number deficiency, avoids the wasting of resources, improves the covering performance of user equipment.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the time-frequency domain structural schematic diagram of control channel in a subframe of LTE system in the related technology；
Fig. 2 a is the preferred flow schematic diagram one of duplicate message sending method according to an embodiment of the present invention；
Fig. 2 b is the preferred flow schematic diagram two of duplicate message sending method according to an embodiment of the present invention；
Fig. 3 is the preferred flow schematic diagram of duplicate message method of reseptance according to an embodiment of the present invention；
Fig. 4 is the preferred structure schematic diagram of base station according to an embodiment of the present invention；
Fig. 5 is the preferred structure schematic diagram of user equipment according to an embodiment of the present invention；
Fig. 6 is the flow diagram according to the method for adjustment of the levels of repetition of this preferred embodiment；
Fig. 7 is the flow diagram according to the method for adjustment of the duplicate message of the down control channel of this preferred embodiment.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes, although also, logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
A kind of duplicate message sending method is present embodiments provided, which includes the following steps:
Step S202, base station send the physical layer signaling for indicating duplicate message or high-level signaling to user equipment, wherein
The duplicate message is used to adjust the number of transmissions of channel, which includes at least one of: levels of repetition, repetition time
Number, covering grade.
Through the above steps, duplicate message is sent to user equipment by physical layer signaling or high-level signaling by base station,
User equipment and base station are adjusted according to the levels of repetition, number of repetition, covering grade included at least in duplicate message
The number of transmissions of channel, so as to solve using the wasting of resources caused by fixed iterative transfer times transmission respective channel
Or the problem that number of repetition is inadequate, the wasting of resources is avoided, the covering performance of user equipment is improved.
Preferably, above-mentioned duplicate message is that base station is determined according to the covering performance of user equipment, wherein covering grade
For indicating the covering performance of base station.In some embodiments, different levels of repetition and/or number of repetition and/or covering etc.
Grade between the number of transmissions have corresponding corresponding relationship so that user equipment can be according to the repetition etc. in duplicate message
At least one information of grade, number of repetition, covering grade determines the number of transmissions of respective channel.
Preferably, user equipment includes: machine type communication device or other can support channel to repeat the user of transmission
Equipment.
Preferably, in above-mentioned steps S202, the channel that can be adjusted includes at least one of: downlink control letter
Road, uplink control channel, downlink traffic channel, reverse link traffic channel.For example, can arrange between the base station and the user equipment into
The channel of row adjustment is down control channel and uplink control channel, by base station is sent to user equipment including levels of repetition
And/or the duplicate message of number of repetition and/or covering grade, so as to adjust the transmission of down control channel and uplink control channel
Number；Alternatively, the mark of the channel of adjustment in need is also carried in physical layer signaling or high-level signaling, to realize corresponding
The adjustment of the number of transmissions of the channel of mark.Wherein, physical layer signaling or high-level signaling also in can carry multiple channels
Mark and the corresponding levels of repetition of each mark and/or number of repetition and/or covering grade, thus respectively to multiple channels
Carry out the adjustment of different the number of transmissions.
Preferably, a physical layer signaling or high-level signaling can be to the number of transmissions of a channel or one group of channel
It is adjusted, for example, a physical layer signaling or high-level signaling adjust down control channel, uplink control channel, lower industry
It is engaged in the number of transmissions of channel, a channel in reverse link traffic channel；In another example a physical layer signaling or high-level signaling can
With the combination at least two channels in down control channel, uplink control channel, downlink traffic channel, reverse link traffic channel
It is adjusted separately, the combination of wherein at least two channel includes: down control channel and uplink control channel；Downlink control letter
Road and reverse link traffic channel；Down control channel and downlink traffic channel；Uplink control channel and downlink traffic channel；Uplink control
Channel and reverse link traffic channel processed；Downlink traffic channel and reverse link traffic channel；Uplink control channel, downlink traffic channel and on
Row Traffic Channel；Down control channel, downlink traffic channel and reverse link traffic channel；Down control channel, uplink control channel
And reverse link traffic channel；Down control channel, uplink control channel and downlink traffic channel；Down control channel, upload control
Channel, downlink traffic channel and reverse link traffic channel.
Preferably, above-mentioned physical layer signaling can be the signaling of following one: the bit in the Downlink Control Information of enhancing
The domain bit in domain, newly-increased Downlink Control Information passes through the signaling of multiplexing transmission technology and Downlink Control Information multiplexing transmission.
Wherein, the domain bit in the Downlink Control Information of enhancing includes existing Downlink Control Information (Downlink Cotrol
Information, referred to as DCI) domain bit in format (format), the domain bit in newly-increased Downlink Control Information includes new
DCI format in the domain bit.Wherein, the domain bit in existing DCI format includes at least one of: being added new
The domain bit reinterprets the existing domain bit.
Preferably, in the case where base station sends duplicate message by physical layer signaling, the starting of physical layer signaling is sent
Subframe includes: predefined value, the subframe determined according to current levels of repetition, the subframe determined according to different levels of repetition, that is,
The starting subframe for sending physical layer signaling includes following one: predetermined subframe, subframe corresponding with current levels of repetition, and will
The corresponding subframe of the levels of repetition being adjusted to.
Preferably, above-mentioned predetermined subframe includes: the subframe 0 of radio frames, alternatively, meeting C=0 (k+10 × SFN) mod
Subframe；Wherein, k=1,2,3 ...；The System Frame Number (System Frame Number, referred to as SFN) of SFN expression radio frames；
Mod is modulo operation；C is positive integer, indicates predetermined period.
Preferably, subframe corresponding with current levels of repetition includes: identical with the control channel of current levels of repetition
Beginning subframe.
Preferably, the levels of repetition that subframe corresponding with the levels of repetition that will be adjusted to includes: and will be adjusted to
The identical starting subframe of control channel.
Preferably, base station includes: one by the transmission times that physical layer signaling sends physical layer signaling or high-level signaling
Secondary transmission, alternatively, the multiple groups in predetermined time window repeat to send, for example, repeat to transmit comprising k n times in time window M,
Wherein M, k, N are positive integer.
Preferably, in the case where base station repeatedly sends physical layer signaling or high-level signaling to user equipment, base station with
Scheduled sending cycle sends multiple physical layer signalings or high-level signaling.
Fig. 2 a is the preferred flow schematic diagram one of duplicate message sending method according to an embodiment of the present invention, such as Fig. 2 a institute
Show, it is preferable that after user equipment receives physical layer signaling carry out ACK/NACK feedback in the case where, step S202 it
Afterwards, the process further include:
Step S204, base station receive user equipment to the feedback of physical layer signaling or high-level signaling, such as ACK/NACK
Feedback.
Preferably, duplicate message can immediately begin to give birth to after base station has sent physical layer signaling or high-level signaling
Effect or duplicate message are sending physical layer signaling or high-level signaling and are passing through predetermined time window (time window as escribed above
M it comes into force after) or duplicate message is (as escribed above from the next sending cycle for sending physical layer signaling or high-level signaling
Scheduled sending cycle) it comes into effect or base station receives user equipment to the feedback letter of physical layer signaling or high-level signaling
It comes into effect after breath (ACK/NACK feedback as escribed above).After duplicate message comes into force, base station and user equipment are respectively to repetition
The respective channel indicated in information carries out the adjustment of corresponding the number of transmissions.
Preferably, in the case where channel to be adjusted includes down control channel, for adjusting the down control channel
Duplicate message in can also carry the relevant information of polymerization grade, which can be also used for: keep downlink control
In the case that the number of transmissions of channel processed is constant, the polymerization etc. of the down control channel in all or part of sub-frame set is adjusted
Grade；Alternatively, adjusting the number of transmissions of the down control channel of specific aggregation grade in all or part of sub-frame set, wherein special
Determining polymerization grade includes one or more polymerization grade.
Preferably, base station only sends duplicate message in the case where adjusting current levels of repetition toward lesser levels of repetition
To user equipment, wherein the corresponding the number of transmissions of lesser levels of repetition is less than the corresponding the number of transmissions of current levels of repetition.
Preferably, the number of transmissions for adjusting channel includes: the channel for adjusting and being used for transmission in the part sub-frame set of channel
The number of transmissions.
Preferably, after the number of repetition of adjustment member sub-frame set upper signal channel, unadjusted subframe collection can also be existed
It is adjusted to after stabilization and part sub-frame set levels of repetition adjusted.For example, in the biography of adjustment member sub-frame set upper signal channel
After defeated number, determining section divides the transmission in sub-frame set to stablize by way of at least one of: passing through part
The channel that frame collection closes receives data, receives the stable confirmation message of the expression transmission of opposite end response, in adjustment member subframe
The number of transmissions for gathering upper signal channel reaches predetermined interval later；Adjust the biography of other all or part of sub-frame set upper signal channels
Defeated number, wherein other subframes include: not adjust the sub-frame set of the number of transmissions in whole sub-frame sets of transmission channel.
Fig. 2 b is the preferred flow schematic diagram two of duplicate message sending method according to an embodiment of the present invention, such as Fig. 2 b institute
Show, it is preferable that in the case where duplicate message is levels of repetition, before step S202, which further includes following steps:
Step S200, base station, which determines, sends levels of repetition used in physical layer signaling or high-level signaling.
Wherein, in step S202, base station sends physical layer signaling or high-level signaling extremely by determining levels of repetition
User equipment.
Preferably, the levels of repetition used when adjustment signaling is sent may include at least one of: currently to repeat
Grade is sent adjustment signaling, is sent adjustment signaling with maximum levels of repetition；Wherein, from big levels of repetition toward small levels of repetition tune
It is preferential when paying the utmost attention to send adjustment signaling with current levels of repetition, adjust from small levels of repetition toward big levels of repetition when whole
Consider to send adjustment signaling with maximum levels of repetition.Wherein, maximum levels of repetition can be the maximal cover grade of base station configuration,
Alternatively, the maximal cover grade of system default configuration.
For example, in step s 200, base station, which determines, sends levels of repetition used in physical layer signaling or high-level signaling
Including at least one of: base station determines that currently used levels of repetition is used to send physical layer signaling or high-level signaling
Levels of repetition；Base station determines that maximum levels of repetition is to send levels of repetition used in physical layer signaling or high-level signaling；
In the case where adjusting currently used levels of repetition toward lesser levels of repetition, base station determines currently used levels of repetition
To send levels of repetition used in physical layer signaling or high-level signaling；By currently used levels of repetition toward biggish heavy
In the case where multiple level adjustment, base station determines that maximum levels of repetition is to send weight used in physical layer signaling or high-level signaling
Multiple grade；Wherein, maximum levels of repetition is determined according to the maximal cover grade of configuration；Lesser levels of repetition, current weight
Multiple grade, biggish levels of repetition, the corresponding the number of transmissions of maximum levels of repetition are in the trend being sequentially increased.
The present embodiment additionally provides a kind of duplicate message method of reseptance, and the process of the duplicate message method of reseptance includes: use
Family equipment receives the physical layer signaling or high-level signaling of instruction duplicate message, wherein duplicate message is used to adjust the transmission of channel
Number, duplicate message include at least one of: levels of repetition, number of repetition, covering grade.
Preferably, user equipment is machine type communication device.
Preferably, channel includes at least one of: down control channel, uplink control channel, downlink traffic channel, on
Row Traffic Channel.
Preferably, physical layer signaling includes following one: the domain bit in the Downlink Control Information of enhancing, newly-increased downlink
It controls the domain bit in information, pass through the signaling of multiplexing transmission technology and Downlink Control Information multiplexing transmission.
Preferably, user equipment receives physical layer signaling by blind Detecting.
Fig. 3 is the preferred flow schematic diagram of duplicate message method of reseptance according to an embodiment of the present invention, it is preferable that the process
Include the following steps:
Step S302, user equipment receive the physical layer signaling or high-level signaling of instruction duplicate message, wherein duplicate message
For adjusting the number of transmissions of channel, duplicate message includes at least one of: levels of repetition, number of repetition, covering grade；
Step S304, user equipment send the feedback to physical layer signaling or high-level signaling to base station.
Preferably, a physical layer signaling or high-level signaling are used to adjust the channel or one group of channel in channel
The number of transmissions, wherein one group of channel includes the combination of at least two channels in channel.
Preferably, duplicate message comes into effect after base station has sent physical layer signaling or high-level signaling, Huo Zhechong
Complex information perhaps high-level signaling and comes into force after predetermined time window or duplicate message is from transmission having sent physical layer signaling
Next sending cycle of physical layer signaling perhaps high-level signaling comes into effect or base station receives user equipment and believes physical layer
It comes into effect after the feedback information of order or high-level signaling.
Preferably, in the case where the channel of the number of transmissions to be adjusted includes down control channel, duplicate message is also used to:
In the case where the number of transmissions of holding down control channel is constant, the downlink adjusted in all or part of sub-frame set controls letter
The polymerization grade in road；Alternatively, adjusting the transmission time of the down control channel of specific aggregation grade in all or part of sub-frame set
Number, wherein specific aggregation grade includes one or more polymerization grade.
Preferably, the number of transmissions for adjusting channel includes: to adjust the part sub-frame set upper signal channel for being used for transmission channel
The number of transmissions.
Preferably, after the number of transmissions of adjustment member sub-frame set upper signal channel, the number of transmissions for adjusting channel is also wrapped
Include: the transmission by way of at least one of in determining section point sub-frame set is stablized: by the sub-frame set of part
Channel receive data, the expression that receives opposite end response is transmitted stable confirmation message, is believed in adjustment member sub-frame set
Reach predetermined interval after the number of transmissions in road；The number of transmissions of other all or part of sub-frame set upper signal channels is adjusted,
Wherein, other subframes include: not adjust the sub-frame set of the number of transmissions in whole sub-frame sets of transmission channel.
The present embodiment additionally provides a kind of base station, which implements for realizing above-mentioned duplicate message sending method, device
Device concrete implementation process described in example had carried out detailed description in embodiment of the method, and details are not described herein.
The base station includes: transceiver station, and the physical layer signaling or high-level signaling for sending instruction duplicate message are to user
Equipment, wherein duplicate message is used to adjust the number of transmissions of channel, and duplicate message includes at least one of: levels of repetition, again
Again number, covering grade.
Preferably, which is also used to receive user equipment to the feedback of physical layer signaling or high-level signaling.
Fig. 4 is the preferred structure schematic diagram of base station according to an embodiment of the present invention, as shown in Figure 4, it is preferable that the base station is also
Including processor 44, it is coupled to transceiver station 42, is repeated used in physical layer signaling or high-level signaling for determining to send
Grade.
The present embodiment additionally provides a kind of user equipment, and the base station is for realizing above-mentioned duplicate message method of reseptance, device
Device concrete implementation process described in embodiment had carried out detailed description in embodiment of the method, no longer superfluous herein
It states.
The user equipment includes: receiver, for receiving the physical layer signaling or high-level signaling of instruction duplicate message,
In, duplicate message is used to adjust the number of transmissions of channel, and duplicate message includes at least one of: levels of repetition, number of repetition,
Covering grade.
Fig. 5 is the preferred structure schematic diagram of user equipment according to an embodiment of the present invention, as shown in Figure 5, it is preferable that the use
Family equipment further include: transmitter 54 is coupled to receiver 52, feeds back to for sending to physical layer signaling or high-level signaling
Base station.
It is described and illustrates below with reference to preferred embodiment.
This preferred embodiment provides a kind of method of adjustment of levels of repetition, can be applied to LTE/LTE-A system.
Fig. 6 is according to the flow diagram of the method for adjustment of the levels of repetition of this preferred embodiment, as shown in fig. 6, this is excellent
The method of adjustment for the levels of repetition for selecting embodiment to provide includes: under coverage enhancement scene, and base station passes through physical layer signaling or height
The duplicate message of layer signaling adjustment channel, wherein the channel includes at least one of: down control channel, upload control letter
Road, downlink traffic channel, reverse link traffic channel.Wherein, which includes at least one of: levels of repetition, repetition time
Number, covering grade.
The method of adjustment provided by this preferred embodiment can rationally adjust in real time weight in the case where there is coverage enhancement scene
Again it counts.
In above preferred embodiment, physical layer signaling includes: the domain bit in existing DCI format or uses new
DCI format in the domain bit or the multiplexing transmission together with DCI；The domain bit in existing DCI format include with down toward
It is one of few: to add the new domain bit, the existing domain bit is reinterpreted.
Preferably, base station can be an individual channel by the channel that signaling adjusts, such as the weight of down control channel
Multiple grade；It can also be that multiple channels adjust together, such as down control channel and uplink control channel.
Preferably, dedicated Format is adjusted, that is, the signaling for being used to indicate duplicate message includes the instruction of at least one of
Domain: covering grade instructions field, levels of repetition instructions field, number of repetition instructions field.
Preferably, above-mentioned physical layer signaling multiplexing transmission together with DCI includes at least: will be adjusted using hierarchical modulation technology
Whole signaling is transmitted together with existing DCI.
Preferably, in physical layer signaling, such as 2 bits (bit) can indicate most 4 kinds of levels of repetition, such as Tables 1 and 2
It is shown；3bit can indicate levels of repetition in most 8, as shown in table 3；4bit indicates covering grade and number of repetition, instruction letter
High-order and status is enabled to indicate respectively, as shown in table 4.
Table 12bit indicates 3 covering grade/levels of repetition/numbers
| Index | Grade/number |
| 0 | 5dB/4 times |
| 1 | 10dB/20 times |
| 2 | 15dB/80 times |
Wherein, the numerical value of some covering grade can indicate what the corresponding levels of repetition maximum of the index was supported in table
Numerical value, for example, in table 1, the corresponding covering grade range of index 0 be (0,5dB], the corresponding covering grade range of index 1 be (5dB,
10dB], the corresponding covering grade ranges of index 2 be (10dB, 15dB].Following table is identical.
Table 22bit indicates 4 covering grade/levels of repetition/numbers
| Index | Grade/number |
| 0 | 0dB/ is not repeated |
| 1 | 5dB/4 times |
| 2 | 10dB/20 times |
| 3 | 15dB/80 times |
Table 33bit indicates covering grade/levels of repetition/number
| Index | Grade |
| 0 | 0dB |
| 1 | 3dB |
| 2 | 6dB |
| 3 | 9dB |
| 4 | 12dB |
| 5 | 15dB |
A table 44bit signaling high position and low level indicate respectively covering grade and number of repetition
| Index | Grade | Number of repetition |
| 0000 | 0dB | Nothing |
| 0001 | 0dB | Nothing |
| 0010 | 0dB | Nothing |
| 0011 | 0dB | Nothing |
| 0100 | 5dB | 2 |
| 0101 | 5dB | 3 |
| 0110 | 5dB | 4 |
| 0111 | 5dB | 6 |
| 1000 | 10dB | 10 |
| 1001 | 10dB | 20 |
| 1010 | 10dB | 30 |
| 1011 | 10dB | 40 |
| 1100 | 15dB | 60 |
| 1101 | 15dB | 80 |
| 1110 | 15dB | 100 |
| 1111 | 15dB | 120 |
Wherein, covering grade preferably uses decibel (dB) as unit, and levels of repetition is with number of repetition in certain corresponding
Relationship, for example, levels of repetition (or covering grade) is higher, corresponding number of repetition can be constant or higher；Or it is same
Covering grade can correspond to different numbers of repetition according to different levels of repetition.
Wherein, in the table of the embodiment of the present invention, " index " can be used for identifying different covering grade or difference
Levels of repetition or different numbers of repetition；Preferably, an index is for identifying by covering grade, levels of repetition, repetition
At least two one group of corresponding relationship constituted in number.
Fig. 7 be according to the flow diagram of the method for adjustment of the duplicate message of the down control channel of this preferred embodiment,
As shown in Figure 7, it is preferable that when channel is down control channel, adjust its number for repeating transmission further include: adjust it and repeat to pass
The number of repetition of the polymerization grade, adjustment member polymerization grade that are used when defeated, the polymerization grade in adjustment member sub-frame set or
The number of repetition of polymerization grade.
Preferably, the levels of repetition of down control channel is adjusted further include:
Its polymerization grade for repeating to use when transmitting is adjusted, i.e., changes the polymerization etc. used while number of repetition is constant
Grade, as polymerization grade (AL) 4 becomes AL8, number of repetition is constant simultaneously；
The number of repetition of adjustment member polymerization grade, partially refers to k polymerization grade here, k belong to set 1,2,4,8,
One or more of 16,32 }, such as only adjust the number of repetition of AL8；
The number of repetition of polymerization grade or partially polymerized grade in adjustment member sub-frame set, i.e., to using repetition to transmit
Sub-frame set be adjusted, partially refer to m sub-frame set here, m belong to set 1,2,3,4 ..., M in one or more
A, M is the positive integer greater than 0.As being subframe, i.e. sub-frame set 1 corresponding to 10-20 to SFN value, the sub-frame set is adjusted
The number of repetition of polymerization grade or partially polymerized grade.
Preferably, the levels of repetition of channel is adjusted further include: the number of repetition of adjustment member sub-frame set upper signal channel；Here
Part sub-frame set is same as described above.
Preferably, after the number of repetition of adjustment member sub-frame set upper signal channel, unadjusted sub-frame set in stabilization
After be adjusted to and part sub-frame set levels of repetition adjusted.Refer to after stabilization and receives data or receive confirmation message or be spaced
Time X millisecond, wherein X is positive integer, and value can be according to the demand flexible setting of system.
Preferably, the number of repetition of adjustment member sub-frame set upper signal channel, such as the 1st sub-frame set, at this time remaining subframe
Set carries out repeating transmission still according to current levels of repetition.
Preferably, the number of repetition of adjustment member sub-frame set upper signal channel, such as the 1st sub-frame set, at this time remaining subframe
Set carries out repeating transmission still according to current levels of repetition.After the 1st sub-frame set adjusts and after stablizing, remaining subframe
Collection is also adjusted to levels of repetition identical with the 1st subframe collection.
Preferably, the levels of repetition used when adjustment signaling is sent includes at least one of: with current levels of repetition hair
It send adjustment signaling, send adjustment signaling with maximum levels of repetition.
Preferably, it pays the utmost attention to send with current levels of repetition when adjusting from big levels of repetition toward small levels of repetition and adjust
Whole signaling is paid the utmost attention to send adjustment signaling with maximum levels of repetition when adjusting from small levels of repetition toward big levels of repetition；
Wherein, maximum levels of repetition can be the maximal cover grade of base station configuration, alternatively, the maximal cover grade of default configuration；
Preferably, it only supports to adjust from biggish levels of repetition toward lesser levels of repetition when adjustment signaling is sent.
Preferably, it pays the utmost attention to send with current levels of repetition when adjusting from big levels of repetition toward small levels of repetition and adjust
Whole signaling when being adjusted from levels of repetition 2 to levels of repetition 1, uses repetition etc. such as when there is 0,1,2,3 four levels of repetition
Grade 2 repeats for corresponding 20 times to send adjustment signaling；It is paid the utmost attention to when being adjusted from small levels of repetition toward big levels of repetition
Send adjustment signaling with maximum levels of repetition, such as when there is 0,1,2,3 four levels of repetition, from levels of repetition 1 to levels of repetition 2 into
When row adjustment, repeat to send adjustment signaling using levels of repetition 3 corresponding 80 times；
Preferably, the transmission starting subframe of physical layer signaling include: predefined value, it is determining according to current levels of repetition, by
It is determined according to different levels of repetition.
Wherein, predefined value includes radio frames subframe 0 or the subframe for meeting C=0 (k+10 × SFN) mod, and C is predetermined
The periodic quantity of justice.
Wherein, it is determined as using identical starting with the control channel of current levels of repetition according to current levels of repetition
Frame.Preferably, the control channel of the physical layer signaling and current covering grade that send adjustment levels of repetition uses identical starting
Subframe.Such as the starting subframe that the control channel of current covering grade uses is to meet the subframe of N=0 (k+10 × SFN) mod,
Wherein N is number of repetition, then the starting subframe where sending the physical layer signaling of adjustment levels of repetition also meets (k+10 × SFN)
modN=0。
Wherein, it is determined as originating subframe and the levels of repetition to be adjusted into corresponding relationship according to different levels of repetition.
Preferably, a kind of possible corresponding relationship are as follows: assuming that levels of repetition LiWhen down control channel number of repetition be Ni, then send
Starting subframe where adjusting the physical layer signaling of levels of repetition meets (k+10 × SFN) mod Ni=0。
Preferably, the transmission times of physical layer signaling includes: that only transmission is primary, in time window M includes k n times repetition
Transmission.Wherein, repeating the long M of window in transmission comprising k n times in time window M is the value more than or equal to k × M.
Preferably, physical layer signaling is sent with period C, and wherein C is positive integer, and value can be according to the need of system
Seek flexible setting.
Preferably, terminal is received to carrying out ACK/NACK feedback after physical layer signaling.
Preferably, the entry-into-force time of physical layer signaling includes: to come into force after being sent completely the signaling, is raw after time window M
Effect, next period C come into force, receive feedback after come into force.
Preferably, when only sending primary adjustment signaling, come into force after being sent completely the signaling, including next subframe or under
One radio frames；When for adjustment, k n times are included with the long M(of window and repeat transmission) when being adjusted, it can be in next time window M
It comes into force；It can come into force in next period when for being adjusted with period C；It, can be to receive feedback when for there is feedback information
It comes into force after information.
Preferably, the levels of repetition for adjusting channel includes: to adjust a letter using a physical layer signaling or high-level signaling
Road, using the combination of a physical layer signaling or high-level signaling adjustment channel, combination include but is not limited to it is following at least it
One mode: { down control channel and uplink control channel }, { downlink traffic channel and reverse link traffic channel }, { downlink control
Channel and downlink traffic channel and reverse link traffic channel }, down control channel and uplink control channel and downlink traffic channel and
Reverse link traffic channel } etc. at least two channels combination.
Preferably, terminal decides whether adjustment levels of repetition according to measurement, if desired adjusts, triggers access procedure.
Preferably, when the down control channel of terminal detection carrying adjustment signaling, one is to be examined when levels of repetition
It surveys, one is detected simultaneously with current levels of repetition and maximum levels of repetition.
Embodiment 1
Under coverage enhancement scene, base station by physical layer signaling adjust down control channel levels of repetition/number or
Covering grade.
Wherein, physical layer signaling is that the new domain bit is added in existing DCI format to realize instruction adjustment；This is new
The domain bit include levels of repetition instructions field or number of repetition instructions field.In physical layer signaling, 3 kinds of weights can be indicated using 2bit
Multiple grade, such as shown in table 5.
Table 52bit indicates 3 covering grade/levels of repetition/numbers
| Index | Grade/number |
| 0 | 5dB/4 times |
| 1 | 10dB/20 times |
| 2 | 15dB/80 times |
The transmission starting subframe of the physical layer signaling is determined according to current levels of repetition.Send the object of the adjustment levels of repetition
The control channel for managing layer signaling and current covering grade uses identical starting subframe.The control channel of current covering grade uses
Starting subframe be meet N=0 (k+10 × SFN) mod subframe, wherein k be starting subframe, N is number of repetition, then sends tune
Starting subframe where the physical layer signaling of whole levels of repetition also meets N=0 (k+10 × SFN) mod.The physical layer signaling uses
Current levels of repetition is sent, and is only sent primary.
The entry-into-force time of the physical layer signaling is to come into force after being sent completely the signaling.
By the implementation of this example, it can make under coverage enhancement scene, the control channel for repeating transmission is needed in covering
Asking can quickly adjust when change.
Embodiment 2
Under coverage enhancement scene, base station passes through high-level signaling, such as radio resource control (Radio Resource
Control, referred to as RRC) signaling (disappears comprising system information block (System Information Block, referred to as SIB)
Breath), adjust the levels of repetition/number or covering grade of downlink traffic channel.
Wherein, the domain bit that RRC signaling uses includes levels of repetition instructions field or number of repetition instructions field.In RRC signaling,
4 kinds of levels of repetition can be indicated using 2bit, as shown in table 6.
Table 62bit indicates 4 covering grade/levels of repetition/numbers
| Index | Grade/number |
| 0 | 0dB/ is not repeated |
| 1 | 5dB/4 times |
| 2 | 10dB/30 times |
| 3 | 15dB/150 times |
The PDSCH for carrying the RRC signaling sends starting subframe and determines according to corresponding PDCCH timing relationship, that is, repeats
K subframe starting after the PDCCH of transmission, such as k=1.The RRC signaling is sent using current levels of repetition, and is only sent
Once.
The entry-into-force time of the RRC signaling be receive feedback information and it is correct after come into force.
By the implementation of this example, it can make under coverage enhancement scene, the Traffic Channel for repeating transmission is needed in covering
Seek the correctness that can adjust and guarantee adjustment when change in time.
Embodiment 3
Under coverage enhancement scene, base station by physical layer signaling adjust uplink control channel levels of repetition/number or
Covering grade.
Wherein, physical layer signaling is that the new domain bit is added in existing DCI format to realize instruction adjustment；This is new
The domain bit include levels of repetition instructions field or number of repetition instructions field.In physical layer signaling, 3 kinds of weights can be indicated using 2bit
Multiple grade, as shown in table 7.
Table 72bit indicates 3 covering grade/levels of repetition/numbers
| Index | Grade/number |
| 0 | 5dB/ without |
| 1 | 10dB/2 times |
| 2 | 15dB/10 times |
The transmission starting subframe of the physical layer signaling is determined according to predefined value.Send the physical layer of the adjustment levels of repetition
Signaling uses radio frames subframe 0 as starting subframe and uses the number of repetition N of current levels of repetition determination, while the physics
Being sent in time window M for layer signaling repeats to transmit comprising k n times, such as k=2, M >=2N.
The entry-into-force time of the physical layer signaling is to include k n times with the long M(of window to repeat transmission) when being adjusted next
Time window M comes into force.
By the implementation of this example, it can make under coverage enhancement scene, the control channel for repeating transmission is needed in covering
Seek the correctness that can timely adjust when change and guarantee adjustment by being transmitted several times.
Embodiment 4
Under coverage enhancement scene, base station by physical layer signaling adjust down control channel levels of repetition/number or
Covering grade.
Wherein, physical layer signaling is that the new domain bit is added in existing DCI format to realize instruction adjustment；This is new
The domain bit include levels of repetition instructions field or number of repetition instructions field.In physical layer signaling, can using a 4bit signaling high position and
Low level indicates respectively covering grade and number of repetition, as shown in table 8, wherein the high 2bit instruction covering grade indexed, low
2bit indicates number of repetition.
A table 84bit signaling high position and low level indicate respectively covering grade and number of repetition
| Index | Grade | Number of repetition |
| 0000 | 0dB | Nothing |
| 0001 | 0dB | Nothing |
| 0010 | 0dB | Nothing |
| 0011 | 0dB | Nothing |
| 0100 | 5dB | 2 |
| 0101 | 5dB | 3 |
| 0110 | 5dB | 4 |
| 0111 | 5dB | 6 |
| 1000 | 10dB | 10 |
| 1001 | 10dB | 20 |
| 1010 | 10dB | 30 |
| 1011 | 10dB | 40 |
| 1100 | 15dB | 60 |
| 1101 | 15dB | 80 |
| 1110 | 15dB | 100 |
| 1111 | 15dB | 120 |
The transmission starting subframe of the physical layer signaling is determined according to predefined value.Send the physical layer of the adjustment levels of repetition
Signaling uses the subframe of C=0 satisfaction (k+10 × SFN) mod as starting subframe, and C is predefined periodic quantity, and such as 200 milliseconds
(ms).The physical layer signaling is sent with period C, while being sent with maximum levels of repetition.
A lower period will come into force when the entry-into-force time of the physical layer signaling is for being adjusted with period C.
By the implementation of this example, it can make under coverage enhancement scene, the control channel for repeating transmission is needed in covering
Asking can timely adjust when change and can be calibrated by each period.
Embodiment 5
Under coverage enhancement scene, base station by physical layer signaling adjust down control channel levels of repetition/number or
Covering grade.
Wherein, physical layer signaling is that implicit transmission indicates to adjust together with DCI to realize, such as uses hierarchical modulation skill
Art is transmitted signaling is adjusted together with existing DCI.The physical layer signaling includes that levels of repetition instructions field or number of repetition refer to
Show domain.In physical layer signaling, 3 kinds of levels of repetition can be indicated using 2bit, as shown in table 9.
Table 92bit indicates 3 covering grade/levels of repetition/numbers
| Index | Grade/number |
| 0 | 5dB/4 times |
| 1 | 10dB/20 times |
| 2 | 15dB/80 times |
The transmission starting subframe of the physical layer signaling is determined according to different levels of repetition.Send the adjustment levels of repetition
The control channel of physical layer signaling and the levels of repetition to be adjusted to uses identical starting subframe.Such as with the weight to be adjusted to
Multiple grade is at corresponding relationship, a kind of possible corresponding relationship are as follows: assuming that levels of repetition LiWhen down control channel number of repetition
For Ni, then starting subframe satisfaction (k+10 × SFN) the mod N where the physical layer signaling of adjustment levels of repetition is senti=0.The object
Reason layer signaling is sent using the levels of repetition that will be adjusted to, and is only sent primary.
The entry-into-force time of the physical layer signaling be sent completely the signaling receive feedback information and it is correct after come into force.
By the implementation of this example, it can make under coverage enhancement scene, the control channel for repeating transmission is needed in covering
Asking can adjust and terminal by the initial position of each grade of blind examination obtains adjustment signaling in time when change.
Embodiment 6
Under coverage enhancement scene, base station by physical layer signaling adjust down control channel levels of repetition/number or
Covering grade.
Wherein, physical layer signaling is that the new domain bit is added in existing DCI format to realize instruction adjustment；This is new
The domain bit include polymerization grade instructions field.In physical layer signaling, 2 kinds of polymerization grades can be indicated using 1bit, such as 10 institute of table
Show.
Table 101bit indicates 2 polymerization grades
| Index | Polymerization grade |
| 0 | AL4 |
| 1 | AL8 |
The transmission starting subframe of the physical layer signaling is determined according to current levels of repetition.Send the object of the adjustment levels of repetition
The control channel for managing layer signaling and current covering grade uses identical starting subframe.The control channel of current covering grade uses
Starting subframe be meet N=0 (k+10 × SFN) mod subframe, wherein k be starting subframe, N is number of repetition, then sends tune
Starting subframe where the physical layer signaling of whole levels of repetition also meets N=0 (k+10 × SFN) mod.The physical layer signaling uses
Current levels of repetition is sent, and is only sent primary.
The entry-into-force time of the physical layer signaling is to come into force after being sent completely the signaling.
By the implementation of this example, it can make under coverage enhancement scene, the control channel for repeating transmission is needed in covering
It asks timely adjust when change and only adjust polymerization grade and does not change number of repetition, covering demand is suitble to have smaller change
Situation.
Embodiment 7
Under coverage enhancement scene, base station adjusts the weight of down control channel and downlink traffic channel by physical layer signaling
Multiple grade/number or covering grade.
Wherein, physical layer signaling is that the new domain bit is added in existing DCI format to realize instruction adjustment；This is new
The domain bit include levels of repetition instructions field or number of repetition instructions field.In physical layer signaling, 4 kinds of weights can be indicated using 2bit
Multiple grade, as shown in table 11, wherein show down control channel and downlink traffic channel in table 11 and use identical repetition
Grade but respectively use different numbers of repetition.
Table 112bit indicates 4 kinds of levels of repetition
| Index | Grade | Down control channel number of repetition | Downlink traffic channel number of repetition |
| 0 | 0dB | It does not repeat | It does not repeat |
| 1 | 5dB | 4 | 4 |
| 2 | 10dB | 20 | 30 |
| 3 | 15dB | 80 | 150 |
The physical layer signaling is adjusted from current levels of repetition 2 toward levels of repetition 1, the transmission starting of the physical layer signaling
Subframe is determined according to current levels of repetition.The control of the physical layer signaling and current covering grade that send the adjustment levels of repetition is believed
Road uses identical starting subframe.The starting subframe that the control channel of current covering grade uses is satisfaction (k+10 × SFN) mod
The subframe of N=0, wherein k is starting subframe, and N is number of repetition, then sends where the physical layer signaling of adjustment levels of repetition
Beginning subframe also meets N=0 (k+10 × SFN) mod.The physical layer signaling is sent using current levels of repetition, and is only sent
Once.
The entry-into-force time of the physical layer signaling is to come into force after being sent completely the signaling.
It by the implementation of this example, can make under coverage enhancement scene, repeat the control channel and business letter of transmission
Road can be adjusted quickly simultaneously when covering demand changes.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
Above the above is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (18)
1. a kind of duplicate message sending method, characterized by comprising:
Base station sends the physical layer signaling for indicating duplicate message or high-level signaling to user equipment, wherein the duplicate message
It is used to indicate the number of transmissions of channel, the duplicate message includes at least one of: levels of repetition, number of repetition, covering etc.
Grade；
Wherein, in the case where the base station sends the duplicate message by the physical layer signaling, the physical layer signaling
Including following one: the bit field in the Downlink Control Information of enhancing, passes through multiplexing transmission skill at the bit field in new DCI format
The signaling of art and Downlink Control Information multiplexing transmission；
Wherein, the channel includes at least one of: down control channel, uplink control channel.
2. the method according to claim 1, wherein the user equipment includes: machine type communication device.
3. the method according to claim 1, wherein the channel further includes at least one of:
Downlink traffic channel, reverse link traffic channel.
4. the method according to claim 1, wherein sending the repetition by physical layer signaling in the base station
In the case where information, the starting subframe for sending the physical layer signaling includes following one:
Predetermined subframe and the corresponding subframe of current levels of repetition, subframe corresponding with the levels of repetition that will be adjusted to；
Wherein, the predetermined subframe includes: the subframe 0 of radio frames, alternatively, meeting the subframe k of (k+10 × SFN) mod C=0；
Wherein, k=1,2,3 ...；The System Frame Number of SFN expression radio frames；Mod is modulo operation；C is positive integer, indicates predetermined period；
The subframe corresponding with current levels of repetition includes: starting identical with the control channel of the current levels of repetition
Frame；
The subframe corresponding with levels of repetition that is will being adjusted to includes: the control with the levels of repetition that will be adjusted to
The identical starting subframe of channel.
5. the method according to claim 1, wherein the base station is by once sending or in predetermined time window
Interior multiple groups repeat the mode sent, send the physical layer signaling or the high-level signaling.
6. the method according to claim 1, wherein the base station repeatedly send the physical layer signaling or
In the case where the high-level signaling, the base station sends the physical layer signaling or the high-rise letter with scheduled sending cycle
It enables.
7. the method according to claim 1, wherein sending the physical layer signaling or described in the base station
After high-level signaling to the user equipment, the method also includes:
The base station receives the user equipment to the feedback of the physical layer signaling or the high-level signaling.
8. according to the method described in claim 3, it is characterized in that, a physical layer signaling or the high-level signaling are used
In the number of transmissions for indicating a channel or one group of channel in the channel, wherein one group of channel includes the letter
The combination of at least two channels in road.
9. the method according to claim 1, wherein the duplicate message has sent the physics in the base station
Perhaps the high-level signaling comes into effect layer signaling later or the duplicate message is sending the physical layer signaling or institute
It states high-level signaling and comes into force after predetermined time window or the duplicate message is from sending the physical layer signaling or described
Next sending cycle of high-level signaling comes into effect or the base station receives the user equipment to the physical layer signaling
Or it comes into effect after the feedback information of the high-level signaling.
10. according to the method described in claim 3, it is characterized in that, in the case where the channel includes down control channel,
The duplicate message is also used to:
In the case where the number of transmissions of the holding down control channel is constant, the institute in all or part of sub-frame set is indicated
State the polymerization grade of down control channel；Alternatively,
Indicate the number of transmissions of the down control channel of specific aggregation grade in all or part of sub-frame set,
In, the specific aggregation grade includes one or more polymerization grade.
11. method according to any one of claim 1 to 10, which is characterized in that the base station only will currently repeat
Grade sends the duplicate message to the user equipment in the case where adjusting toward lesser levels of repetition, wherein described smaller
The corresponding the number of transmissions of levels of repetition be less than the corresponding the number of transmissions of the current levels of repetition.
12. method according to any one of claim 1 to 10, which is characterized in that indicate the transmission of the channel
Number includes: the number of transmissions that instruction is used for transmission the channel in the part sub-frame set of the channel.
13. according to the method for claim 12, which is characterized in that the channel on indicating the part sub-frame set
After the number of transmissions, the number of transmissions of the channel is indicated further include:
Determine that the transmission in the part sub-frame set is stablized by way of at least one of: by the portion
The expression that the channel in point sub-frame set receives data, receives opposite end response is transmitted stable confirmation message, is being indicated
Reach predetermined interval in the part sub-frame set after the number of transmissions of the channel；
Indicate the number of transmissions of the channel in other all or part of sub-frame sets, wherein other described subframes include:
Transmit the sub-frame set for not indicating the number of transmissions in whole sub-frame sets of the channel.
14. method according to any one of claim 1 to 10, which is characterized in that the duplicate message be repeat etc.
In the case where grade, before the base station sends the physical layer signaling or the high-level signaling to the user equipment, institute
State method further include:
The base station, which determines, sends levels of repetition used in the physical layer signaling or the high-level signaling, wherein described
Base station sends the physical layer signaling or the high-level signaling to the user equipment by determining levels of repetition.
15. according to the method for claim 14, which is characterized in that the base station determine send the physical layer signaling or
Levels of repetition used in the high-level signaling includes at least one of:
The base station determines current levels of repetition and repeats used in the physical layer signaling or the high-level signaling to send
Grade；
The base station determines that maximum levels of repetition is to send to repeat used in the physical layer signaling or the high-level signaling
Grade；
In the case where adjusting the current levels of repetition toward lesser levels of repetition, the base station determines the current repetition
Grade is to send levels of repetition used in the physical layer signaling or the high-level signaling；
In the case where adjusting the current levels of repetition toward biggish levels of repetition, the base station determines the maximum repetition
Grade is to send levels of repetition used in the physical layer signaling or the high-level signaling；
Wherein, the maximum levels of repetition is determined according to the maximal cover grade of configuration；The lesser levels of repetition, institute
State current levels of repetition, the biggish levels of repetition, the corresponding the number of transmissions of the maximum levels of repetition be according to
The trend of secondary increase.
16. a kind of duplicate message method of reseptance, characterized by comprising:
User equipment receives the physical layer signaling or high-level signaling of instruction duplicate message, wherein the duplicate message is used to indicate
The number of transmissions of channel, the duplicate message includes at least one of: levels of repetition, number of repetition, covering grade；
Wherein, in the case where the user equipment receives the duplicate message by the physical layer signaling, the physical layer
Signaling includes following one: the bit field in the Downlink Control Information of enhancing, the bit field in new DCI format are passed by multiplexing
The signaling of transferring technology and Downlink Control Information multiplexing transmission；
Wherein, the channel includes at least one of: down control channel, uplink control channel.
17. a kind of base station, characterized by comprising:
Transceiver station, the physical layer signaling or high-level signaling for sending instruction duplicate message are to user equipment, wherein described heavy
Complex information is used to indicate the number of transmissions of channel, and the duplicate message includes at least one of: levels of repetition, number of repetition,
Covering grade；
Wherein, in the case where sending the duplicate message by the physical layer signaling, the physical layer signaling includes following
One of: the bit field in the Downlink Control Information of enhancing, passes through multiplexing transmission technology and downlink at the bit field in new DCI format
Control the signaling of information multiplexing transmission；
Wherein, the channel includes at least one of: down control channel, uplink control channel.
18. a kind of user equipment, characterized by comprising:
Receiver, for receiving the physical layer signaling or high-level signaling of instruction duplicate message, wherein the duplicate message is for referring to
Show the number of transmissions of channel, the duplicate message includes at least one of: levels of repetition, number of repetition, covering grade；
Wherein, in the case where receiving the duplicate message by the physical layer signaling, the physical layer signaling includes following
One of: the bit field in the Downlink Control Information of enhancing, passes through multiplexing transmission technology and downlink at the bit field in new DCI format
Control the signaling of information multiplexing transmission；
Wherein, the channel includes at least one of: down control channel, uplink control channel.
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|---|---|---|---|
| CN201410034943.6A CN104811262B (en) | 2014-01-24 | 2014-01-24 | Duplicate message sending, receiving method and base station and user equipment |
| PCT/CN2014/085161 WO2015109845A1 (en) | 2014-01-24 | 2014-08-26 | Method for sending/receiving repeated information, base station and user equipment |
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| CN201410034943.6A CN104811262B (en) | 2014-01-24 | 2014-01-24 | Duplicate message sending, receiving method and base station and user equipment |
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| CN106688278A (en) * | 2015-08-31 | 2017-05-17 | 华为技术有限公司 | Method, apparatus and system for accessing cell |
| CN106559171B (en) * | 2015-09-25 | 2020-07-10 | 中兴通讯股份有限公司 | CQI information receiving method, transmitting method, receiving device and transmitting device |
| EP3364680B1 (en) | 2015-11-06 | 2021-08-25 | Huawei Technologies Co., Ltd. | Method, apparatus and system for information transmission |
| CN107371248B (en) * | 2016-05-13 | 2020-04-24 | 中国移动通信有限公司研究院 | Method and device for transmitting indication information in Internet of things |
| CN107371268A (en) * | 2016-05-13 | 2017-11-21 | 中国移动通信有限公司研究院 | The method and device of discontinuous transmission configuration is indicated in a kind of Internet of Things |
| CN109526248A (en) * | 2016-08-12 | 2019-03-26 | 华为技术有限公司 | The uplink data transmission method and device of wireless broadband terminal equipment |
| CN110268782B (en) * | 2016-12-23 | 2020-12-22 | 华为技术有限公司 | Enhanced machine type communication eMTC resource scheduling method and device |
| EP3355599A1 (en) * | 2017-01-31 | 2018-08-01 | Gemalto M2M GmbH | User equipment for searching a suitable base station |
| CN108696883B (en) * | 2017-04-11 | 2021-01-22 | 电信科学技术研究院 | Method and device for adjusting data transmission repetition times |
| CN108737016B (en) * | 2017-04-17 | 2021-10-01 | 上海诺基亚贝尔股份有限公司 | Methods, devices, and computer-readable media for activation and deactivation of WCE mode |
| CN108882381A (en) * | 2017-05-09 | 2018-11-23 | 普天信息技术有限公司 | Scheduling request signal sending method, user terminal and the base station of multi-sub-band system |
| CN108882204B (en) * | 2017-05-16 | 2020-11-24 | 电信科学技术研究院 | Method and base station for determining repetition times of machine type communication downlink control channel |
| CN108934023B (en) * | 2017-05-26 | 2022-03-11 | 中兴通讯股份有限公司 | Coverage grade determination, base station and terminal |
| CN109275188A (en) * | 2017-07-17 | 2019-01-25 | 财团法人资讯工业策进会 | Base station and its dynamic allocation of radio resources method for narrow frequency Internet of things system |
| CN109769303B (en) * | 2017-11-09 | 2022-06-21 | 成都鼎桥通信技术有限公司 | Method for random access and service transmission |
| EP3731590A4 (en) * | 2017-12-22 | 2021-01-20 | Shanghai Langbo Communication Technology Company Limited | Method and apparatus used for wireless communication in user equipment and base station |
| CN110366230B (en) * | 2018-04-11 | 2020-09-25 | 大唐移动通信设备有限公司 | Terminal access method and device |
| WO2020133036A1 (en) * | 2018-12-27 | 2020-07-02 | Oppo广东移动通信有限公司 | Repeat transmission method and apparatus, chip and computer program |
| WO2020164127A1 (en) * | 2019-02-15 | 2020-08-20 | 华为技术有限公司 | Communication method and communication device |
| WO2020220352A1 (en) * | 2019-04-30 | 2020-11-05 | 华为技术有限公司 | Communication method and device |
| CN112399434A (en) * | 2019-08-14 | 2021-02-23 | 中国移动通信有限公司研究院 | Indication method, repeated transmission control method and related equipment |
| CN114731219A (en) * | 2020-02-18 | 2022-07-08 | Oppo广东移动通信有限公司 | Signal transmission method, device, equipment and storage medium |
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