CN104811262A - Repeated information sending and receiving method, base station, and user equipment - Google Patents
Repeated information sending and receiving method, base station, and user equipment Download PDFInfo
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- CN104811262A CN104811262A CN201410034943.6A CN201410034943A CN104811262A CN 104811262 A CN104811262 A CN 104811262A CN 201410034943 A CN201410034943 A CN 201410034943A CN 104811262 A CN104811262 A CN 104811262A
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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
Abstract
The invention discloses a repeated information sending and receiving method, a base station, and user equipment. The repeated information sending method comprises the following step: the base station sending a physical layer signaling or a high-level signaling indicating repeated information to the user equipment, wherein the repeated information is used for adjusting the transmission frequency of a channel and comprises at least one from the following: repetition grade, repetition frequency and coverage grade. Through the method provided by the invention, the problem of waste of resources or insufficient repetition frequency which is caused by transmission of the corresponding channel by use of a fixed repetition transmission frequency is solved, the waster of the resources is avoided, and the coverage performance of the user equipment is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of duplicate message transmission, duplicate message method of reseptance and base station and subscriber equipment.
Background technology
Machine type communication (Machine Type Communication, referred to as MTC) user terminal (User Equipment, referred to as UE, be also called subscriber equipment or terminal), be also called 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-TermEvolution, referred to as LTE)/advanced long-term evolution system (Long-Term Evolution Advance, referred to as LTE-Advance or LTE-A) spectrum efficiency high, increasing mobile operator selects LTE/LTE-A as the evolution tendency of system of broadband wireless communication; MTC multiple types data service based on LTE/LTE-A also will be more attractive.
In MTC application terminal, have a Terminal Type due to present position or self-characteristic limited thus result in covering performance and significantly decline.Such as: under intelligent meter data recording class MTC terminal is fixedly mounted on the low covering performance environment such as basement mostly, its data that mainly send away a parcel, low to the requirement of data rate, larger data transmission delay can be tolerated.Because this type of terminal log is low according to rate requirement, for physical down Traffic Channel (Physical Downlink Share Channel, referred to as PDSCH, be also called Physical Downlink Shared Channel), physical uplink Traffic Channel (Physical Uplink Share Channel, referred to as PUSCH, be also called 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 by repeat transmission identical information promote covering performance.Fig. 1 is the time-frequency domain structural representation of control channel in a subframe of LTE system in correlation technique, and Physical Downlink Control Channel and the position of physical down Traffic Channel in subframe have been shown in Fig. 1.
Fixing iterative transfer times is have employed to transmit corresponding channel, to promote covering performance in correlation technique.But, inventor finds in research process: can with taking a large amount of resources owing to repeating transmission, and the number of repetition corresponding to Cover treatment lifting demand is also different, if transmitted according to a kind of number of repetition always, when changes in channel conditions, then there will be the repetition wasting of resources or the inadequate situation of number of repetition.
For the problem of the wasting of resources adopting fixing iterative transfer times transmission respective channel to cause in correlation technique or number of repetition deficiency, at present effective solution is not yet proposed.
Summary of the invention
The invention provides the transmission of a kind of duplicate message, duplicate message method of reseptance and base station and subscriber equipment, at least to solve in correlation technique the problem of the wasting of resources or the number of repetition deficiency adopting fixing iterative transfer times transmission respective channel to cause.
According to an aspect of the present invention, provide a kind of duplicate message sending method, comprise: the physical layer signaling of base station transmission instruction duplicate message or high-level signaling are to subscriber equipment, wherein, described duplicate message for adjusting the number of transmissions of channel, described duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
Preferably, described subscriber equipment comprises: machine type communication device.
Preferably, described channel comprise following one of at least: down control channel, ascending control channel, downlink traffic channel, reverse link traffic channel.
Preferably, when described base station sends described duplicate message by described physical layer signaling, described physical layer signaling comprises one of following: the bit territory in the Downlink Control Information of enhancing, the bit territory in newly-increased Downlink Control Information, signaling by multiplexing transmission technology and Downlink Control Information multiplexing transmission.
Preferably, when described base station sends described duplicate message by physical layer signaling, the initial subframe sending described physical layer signaling comprises one of following: predetermined subframe, the subframe corresponding with current levels of repetition, the subframe corresponding with the levels of repetition that will adjust to.
Preferably, described predetermined subframe comprises: the subframe 0 of radio frames, or, meet the subframe of (k+10 × SFN) mod C=0; Wherein, k=1,2,3 SFN represents the System Frame Number of radio frames; Mod is modulo operation; C is positive integer, represents predetermined period; Subframe corresponding to described and current levels of repetition comprises: the initial subframe identical with the control channel of described current levels of repetition; Subframe corresponding to the described levels of repetition with adjusting to comprises: the initial subframe identical with the control channel of the described levels of repetition that will adjust to.
Preferably, described base station, by the many groups of modes repeating to send once sent or in scheduled time window, sends described physical layer signaling or described high-level signaling.
Preferably, when described base station repeatedly sends described physical layer signaling or described high-level signaling, described base station sends described physical layer signaling or described high-level signaling with the predetermined transmission cycle.
Preferably, after described base station sends described physical layer signaling or described high-level signaling to described subscriber equipment, described method also comprises: described base station receives the feedback of described subscriber equipment to described physical layer signaling or described high-level signaling.
Preferably, a described physical layer signaling or described high-level signaling are for adjusting the number of transmissions of a channel in described channel or one group of channel, and wherein, described one group of channel comprises the combination of at least two channels in described channel.
Preferably, described duplicate message comes into effect after described base station sends described physical layer signaling or described high-level signaling, or described duplicate message is at the described physical layer signaling of transmission or described high-level signaling and come into force after window after a predetermined time, or described duplicate message sends the cycle from the next one sending described physical layer signaling or described high-level signaling and comes into effect, or described base station receives described subscriber equipment and comes into effect to after the feedback information of described physical layer signaling or described high-level signaling.
Preferably, when described channel comprises down control channel, described duplicate message also for: when keeping the number of transmissions of described down control channel constant, adjust the polymerization grade of the described down control channel in all or part of sub-frame set; Or adjust the number of transmissions of the described down control channel of specific aggregation grade in described all or part of sub-frame set, wherein, described specific aggregation grade comprises one or more polymerization grade.
Preferably, described base station only sends described duplicate message to described subscriber equipment when current levels of repetition being adjusted toward less levels of repetition, wherein, the number of transmissions that described less levels of repetition is corresponding is less than the number of transmissions corresponding to described current levels of repetition.
Preferably, the described the number of transmissions adjusting described channel comprises: the described the number of transmissions adjusting described channel in the part sub-frame set for transmitting described channel.
Preferably, in the described part sub-frame set of adjustment described channel described the number of transmissions after, the described the number of transmissions adjusting described channel also comprises: determine that the described transmission in described part sub-frame set is stablized by following mode one of at least: receive data by the described channel in described part sub-frame set, receive the expression of opposite end response transmit stable confirmation, in the described part sub-frame set of adjustment described channel described the number of transmissions after reach predetermined interval; Adjust the described the number of transmissions of described channel in other sub-frame set all or part of, wherein, other subframes described comprise: transmit the sub-frame set not adjusting described the number of transmissions in whole sub-frame set of described channel.
Preferably, when described duplicate message is levels of repetition, before described base station sends described physical layer signaling or described high-level signaling to described subscriber equipment, described method also comprises: the levels of repetition that described physical layer signaling or described high-level signaling use is determined to send in described base station, wherein, described base station sends described physical layer signaling or described high-level signaling extremely described subscriber equipment by the levels of repetition determined.
Preferably, described base station determine to send levels of repetition that described physical layer signaling or described high-level signaling use comprise following one of at least: the levels of repetition that current levels of repetition uses for the described physical layer signaling of transmission or described high-level signaling is determined in described base station; The levels of repetition that maximum levels of repetition uses for the described physical layer signaling of transmission or described high-level signaling is determined in described base station; When described current levels of repetition being adjusted toward less levels of repetition, the levels of repetition that described current levels of repetition uses for the described physical layer signaling of transmission or described high-level signaling is determined in described base station; When described current levels of repetition being adjusted toward larger levels of repetition, the levels of repetition that described maximum levels of repetition uses for the described physical layer signaling of transmission or described high-level signaling is determined in described base station; Wherein, described maximum levels of repetition determines according to the maximal cover grade of configuration; The corresponding respectively described the number of transmissions of described less levels of repetition, described current levels of repetition, described larger levels of repetition, described maximum levels of repetition is in the trend increased successively.
According to another aspect of the present invention, additionally provide a kind of duplicate message method of reseptance, comprise: subscriber equipment receives physical layer signaling or the high-level signaling of instruction duplicate message, wherein, described duplicate message for adjusting the number of transmissions of channel, described duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
According to another aspect of the present invention, additionally provide a kind of base station, comprise: transceiver station, for sending the instruction physical layer signaling of duplicate message or high-level signaling to subscriber equipment, wherein, described duplicate message for adjusting the number of transmissions of channel, described duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
According to another aspect of the present invention, additionally provide a kind of subscriber equipment, comprise: receiver, for receiving physical layer signaling or the high-level signaling of instruction duplicate message, wherein, described duplicate message for adjusting the number of transmissions of channel, described duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
Pass through the present invention, the physical layer signaling of base station transmission instruction duplicate message or high-level signaling are to subscriber equipment, wherein, this duplicate message is for adjusting the number of transmissions of channel, this duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade, solve the problem of the wasting of resources or the number of repetition deficiency adopting fixing iterative transfer times transmission respective channel to cause, avoid the wasting of resources, improve the covering performance of subscriber equipment.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the time-frequency domain structural representation of control channel in a subframe of LTE system in correlation technique;
Fig. 2 a is the preferred flow schematic diagram one of the duplicate message sending method according to the embodiment of the present invention;
Fig. 2 b is the preferred flow schematic diagram two of the duplicate message sending method according to the embodiment of the present invention;
Fig. 3 is the preferred flow schematic diagram of the duplicate message method of reseptance according to the embodiment of the present invention;
Fig. 4 is the preferred structure schematic diagram of the base station according to the embodiment of the present invention;
Fig. 5 is the preferred structure schematic diagram of the subscriber equipment according to the embodiment of the present invention;
Fig. 6 is the schematic flow sheet of the method for adjustment of levels of repetition according to this preferred embodiment;
Fig. 7 is the schematic flow sheet of the method for adjustment of the duplicate message of down control channel according to this preferred embodiment.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Present embodiments provide a kind of duplicate message sending method, this flow process comprises the steps:
Step S202, the physical layer signaling of base station transmission instruction duplicate message or high-level signaling are to subscriber equipment, wherein, this duplicate message for adjusting the number of transmissions of channel, this duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
Pass through above-mentioned steps, duplicate message is sent to subscriber equipment by physical layer signaling or high-level signaling by base station, make subscriber equipment and base station can according to the number of transmissions of the levels of repetition at least comprised in duplicate message, number of repetition, covering level adjustment channel, thus the wasting of resources that adopts fixing iterative transfer times transmission respective channel to cause or the inadequate problem of number of repetition can be solved, avoid the wasting of resources, improve the covering performance of subscriber equipment.
Preferably, above-mentioned duplicate message is that base station is determined according to the covering performance of subscriber equipment, wherein, covers grade for representing the covering performance of base station.In certain embodiments, different levels of repetition and/or number of repetition and/or cover grade and there is between the number of transmissions corresponding corresponding relation, thus make subscriber equipment can according to the number of transmissions of at least one information determination respective channel of the levels of repetition in duplicate message, number of repetition, covering grade.
Preferably, subscriber equipment comprises: machine type communication device or other can support channel repeat transmit subscriber equipment.
Preferably, in above-mentioned steps S202, the channel that can carry out adjusting comprise following one of at least: down control channel, ascending control channel, downlink traffic channel, reverse link traffic channel.Such as, the channel can arranging between the base station and the user equipment to carry out adjusting is down control channel and ascending control channel, by the duplicate message comprising levels of repetition and/or number of repetition and/or covering grade that base station sends to subscriber equipment, thus the number of transmissions of adjustment down control channel and ascending control channel; Or, in physical layer signaling or high-level signaling, also carry the mark of the channel needing adjustment, thus realize the adjustment of the number of transmissions of the channel of respective identification.Wherein, physical layer signaling or high-level signaling also in can carry the mark of multiple channel and the levels of repetition of each mark correspondence and/or number of repetition and/or cover grade, thus respectively multiple channel is carried out to the adjustment of different the number of transmissions.
Preferably, a physical layer signaling or high-level signaling can adjust the number of transmissions of a channel or one group of channel, such as, a physical layer signaling or high-level signaling adjust the number of transmissions of a channel in down control channel, ascending control channel, downlink traffic channel, reverse link traffic channel; Again such as, a physical layer signaling or high-level signaling can adjust respectively to the combination of at least two channels in down control channel, ascending control channel, downlink traffic channel, reverse link traffic channel, and wherein the combination of at least two channels comprises: down control channel and ascending control channel; Down control channel and reverse link traffic channel; Down control channel and downlink traffic channel; Ascending control channel and downlink traffic channel; Ascending control channel and reverse link traffic channel; Downlink traffic channel and reverse link traffic channel; Ascending control channel, downlink traffic channel and reverse link traffic channel; Down control channel, downlink traffic channel and reverse link traffic channel; Down control channel, ascending control channel and reverse link traffic channel; Down control channel, ascending control channel and downlink traffic channel; Down control channel, ascending control channel, downlink traffic channel and reverse link traffic channel.
Preferably, above-mentioned physical layer signaling can be one of following signaling: the bit territory in the Downlink Control Information of enhancing, the bit territory in newly-increased Downlink Control Information, signaling by multiplexing transmission technology and Downlink Control Information multiplexing transmission.Wherein, bit territory in the Downlink Control Information strengthened comprises existing Downlink Control Information (Downlink Cotrol Information, referred to as DCI) bit territory in form (format), the bit territory in newly-increased Downlink Control Information comprises the bit territory in new DCI format.Wherein, the bit territory in existing DCI format comprise following one of at least: add new bit territory, reinterpreting existing bit territory.
Preferably, when base station sends duplicate message by physical layer signaling, send the initial subframe of physical layer signaling to comprise: predefine value, the subframe determined according to current levels of repetition, the subframe determined according to different levels of repetition, that is, sending the initial subframe of physical layer signaling comprises one of following: predetermined subframe, the subframe corresponding with current levels of repetition, the subframe corresponding with the levels of repetition that will adjust to.
Preferably, above-mentioned predetermined subframe comprises: the subframe 0 of radio frames, or, meet the subframe of (k+10 × SFN) mod C=0; Wherein, k=1,2,3 SFN represents the System Frame Number (System Frame Number, referred to as SFN) of radio frames; Mod is modulo operation; C is positive integer, represents predetermined period.
Preferably, corresponding with current levels of repetition subframe comprises: the initial subframe identical with the control channel of current levels of repetition.
Preferably, corresponding with the levels of repetition that will adjust to subframe comprises: the initial subframe identical with the control channel of the levels of repetition that will adjust to.
Preferably, the transmission times that base station sends physical layer signaling or high-level signaling by physical layer signaling comprises: once send, or, many groups in scheduled time window are repeated to send, such as, in time window M, comprise k repeat transmission for N time, wherein M, k, N are positive integer.
Preferably, when base station repeatedly sends physical layer signaling or high-level signaling to subscriber equipment, base station sends multiple physical layer signaling or high-level signaling with the predetermined transmission cycle.
Fig. 2 a is the preferred flow schematic diagram one of the duplicate message sending method according to the embodiment of the present invention, as shown in Figure 2 a, preferably, when carrying out ACK/NACK feedback after subscriber equipment receives physical layer signaling, after step S202, this flow process also comprises:
Step S204, base station receives user equipment to the feedback of physical layer signaling or high-level signaling, such as ACK/NACK feedback.
Preferably, duplicate message can come into effect immediately after base station sends physical layer signaling or high-level signaling, or duplicate message is at transmission physical layer signaling or high-level signaling and come into force after window (time window M as escribed above) after a predetermined time, or duplicate message sends the cycle (transmission cycle predetermined as described above) from the next one sending physical layer signaling or high-level signaling and comes into effect, or base station receives subscriber equipment and comes into effect to after the feedback information (ACK/NACK feedback as escribed above) of physical layer signaling or high-level signaling.After duplicate message comes into force, the respective channel that base station and subscriber equipment show duplicate message middle finger respectively carries out the adjustment of corresponding the number of transmissions.
Preferably, when channel to be adjusted comprises down control channel, for adjust this down control channel duplicate message in can also carry the relevant information of polymerization grade, this duplicate message can also be used for: when keeping the number of transmissions of down control channel constant, adjust the polymerization grade of the down control channel in all or part of sub-frame set; Or adjust the number of transmissions of the down control channel of specific aggregation grade in all or part of sub-frame set, wherein, specific aggregation grade comprises one or more polymerization grade.
Preferably, base station is only when sending duplicate message to subscriber equipment by current levels of repetition toward when less levels of repetition adjustment, and wherein, the number of transmissions corresponding to less levels of repetition is less than the number of transmissions corresponding to current levels of repetition.
Preferably, the number of transmissions adjusting channel comprises: the number of transmissions of the channel of adjustment in the part sub-frame set of transmission channel.
Preferably, after the number of repetition of adjustment member sub-frame set upper signal channel, unadjusted subframe collection can also be adjusted to the levels of repetition after adjusting with part sub-frame set after stabilization.Such as, after the number of transmissions of adjustment member sub-frame set upper signal channel, stablized by the transmission in following mode determining section sub-frame set one of at least: the channel in passage point sub-frame set receives data, receive the expression of opposite end response transmits stable confirmation, after the number of transmissions of adjustment member sub-frame set upper signal channel, reach predetermined interval; Adjust the number of transmissions of other sub-frame set upper signal channels all or part of, wherein, other subframes comprise: the sub-frame set not adjusting the number of transmissions in whole sub-frame set of transmission channel.
Fig. 2 b is the preferred flow schematic diagram two of the duplicate message sending method according to the embodiment of the present invention, and as shown in Figure 2 b, preferably, when duplicate message is levels of repetition, before step S202, this flow process also comprises the steps:
Step S200, the levels of repetition that transmission physical layer signaling or high-level signaling use is determined in base station.
Wherein, in step S202, base station sends physical layer signaling or high-level signaling to subscriber equipment by the levels of repetition determined.
Preferably, adjust the levels of repetition used when signaling sends can comprise following one of at least: send adjustment signaling with current levels of repetition, send adjustment signaling with maximum levels of repetition; Wherein, pay the utmost attention to when adjusting from large levels of repetition toward little levels of repetition and send adjustment signaling with current levels of repetition, pay the utmost attention to when adjust from little levels of repetition toward large levels of repetition to send with maximum levels of repetition and adjust signaling.Wherein, maximum levels of repetition can be the maximal cover grade of base station configuration, or, the maximal cover grade of system default configuration.
Such as, in step s 200, base station determine to send levels of repetition that physical layer signaling or high-level signaling use comprise following one of at least: the levels of repetition that the levels of repetition of current use uses for sending physical layer signaling or high-level signaling is determined in base station; The levels of repetition that maximum levels of repetition uses for transmission physical layer signaling or high-level signaling is determined in base station; When the levels of repetition of current use being adjusted toward less levels of repetition, the levels of repetition that the levels of repetition of current use uses for transmission physical layer signaling or high-level signaling is determined in base station; When the levels of repetition of current use being adjusted toward larger levels of repetition, the levels of repetition that maximum levels of repetition uses for transmission physical layer signaling or high-level signaling is determined in base station; Wherein, maximum levels of repetition determines according to the maximal cover grade of configuration; The corresponding respectively the number of transmissions of less levels of repetition, current levels of repetition, larger levels of repetition, maximum levels of repetition is in the trend increased successively.
The present embodiment additionally provides a kind of duplicate message method of reseptance, the flow process of this duplicate message method of reseptance comprises: subscriber equipment receives physical layer signaling or the high-level signaling of instruction duplicate message, wherein, duplicate message for adjusting the number of transmissions of channel, duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
Preferably, subscriber equipment is machine type communication device.
Preferably, channel comprise following one of at least: down control channel, ascending control channel, downlink traffic channel, reverse link traffic channel.
Preferably, physical layer signaling comprises one of following: the bit territory in the Downlink Control Information of enhancing, the bit territory in newly-increased Downlink Control Information, signaling by multiplexing transmission technology and Downlink Control Information multiplexing transmission.
Preferably, subscriber equipment receives physical layer signaling by blind Detecting.
Fig. 3 is the preferred flow schematic diagram of the duplicate message method of reseptance according to the embodiment of the present invention, and preferably, this flow process comprises the steps:
Step S302, subscriber equipment receives the instruction physical layer signaling of duplicate message or high-level signaling, wherein, duplicate message for adjusting the number of transmissions of channel, duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade;
Step S304, subscriber equipment sends the feedback to physical layer signaling or high-level signaling to base station.
Preferably, a physical layer signaling or high-level signaling are for adjusting the number of transmissions of a channel in channel or one group of channel, and wherein, one group of channel comprises the combination of at least two channels in channel.
Preferably, duplicate message comes into effect after base station sends physical layer signaling or high-level signaling, or duplicate message is sending physical layer signaling or high-level signaling and is coming into force after window after a predetermined time, or duplicate message sends the cycle from the next one sending physical layer signaling or high-level signaling and comes into effect, or base station receives subscriber equipment and comes into effect to after the feedback information of physical layer signaling or high-level signaling.
Preferably, when the channel of the number of transmissions to be adjusted comprises down control channel, duplicate message also for: when keeping the number of transmissions of down control channel constant, adjust the polymerization grade of the down control channel in all or part of sub-frame set; Or adjust the number of transmissions of the down control channel of specific aggregation grade in all or part of sub-frame set, wherein, specific aggregation grade comprises one or more polymerization grade.
Preferably, the number of transmissions adjusting channel comprises: adjustment is used for the number of transmissions of the part sub-frame set upper signal channel of transmission channel.
Preferably, after the number of transmissions of adjustment member sub-frame set upper signal channel, the number of transmissions of adjustment channel also comprises: stablized by the transmission in following mode determining section sub-frame set one of at least: the channel in passage point sub-frame set receives data, receive the expression of opposite end response transmits stable confirmation, after the number of transmissions of adjustment member sub-frame set upper signal channel, reach predetermined interval; Adjust the number of transmissions of other sub-frame set upper signal channels all or part of, wherein, other subframes comprise: the sub-frame set not adjusting the number of transmissions in whole sub-frame set of transmission channel.
The present embodiment additionally provides a kind of base station, and this base station is used for realizing above-mentioned duplicate message sending method, and the concrete implementation procedure of the device described in device embodiment carried out detailed description in embodiment of the method, did not repeat them here.
This base station comprises: transceiver station, for sending the instruction physical layer signaling of duplicate message or high-level signaling to subscriber equipment, wherein, duplicate message for adjusting the number of transmissions of channel, duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
Preferably, this transceiver station is also for receiving the feedback of subscriber equipment to physical layer signaling or high-level signaling.
Fig. 4 is the preferred structure schematic diagram of the base station according to the embodiment of the present invention, and as shown in Figure 4, preferably, this base station also comprises processor 44, is coupled to transceiver station 42, for determining the levels of repetition that transmission physical layer signaling or high-level signaling use.
The present embodiment additionally provides a kind of subscriber equipment, and this base station is used for realizing above-mentioned duplicate message method of reseptance, and the concrete implementation procedure of the device described in device embodiment carried out detailed description in embodiment of the method, did not repeat them here.
This subscriber equipment comprises: receiver, for receiving the instruction physical layer signaling of duplicate message or high-level signaling, wherein, duplicate message for adjusting the number of transmissions of channel, duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
Fig. 5 is the preferred structure schematic diagram of the subscriber equipment according to the embodiment of the present invention, and as shown in Figure 5, preferably, this subscriber equipment also comprises: transmitter 54, is coupled to receiver 52, feeds back to base station for sending to physical layer signaling or high-level signaling.
Be described below in conjunction with preferred embodiment and illustrate.
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 the schematic flow sheet of the method for adjustment of levels of repetition according to this preferred embodiment, as shown in Figure 6, the method of adjustment of the levels of repetition that this preferred embodiment provides comprises: under coverage enhancement scene, base station adjusts the duplicate message of channel by physical layer signaling or high-level signaling, wherein, this channel comprise following one of at least: down control channel, ascending control channel, downlink traffic channel, reverse link traffic channel.Wherein, this duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
By the method for adjustment that this preferred embodiment provides, rationally number of repetition can be adjusted in real time having under coverage enhancement scene.
In above preferred embodiment, physical layer signaling comprises: the bit territory in existing DCI format or use bit territory in new DCIformat or multiplexing transmission together with DCI; Bit territory in existing DCI format comprise following one of at least: add new bit territory, reinterpreting existing bit territory.
Preferably, base station can be an independent channel by the channel that signaling adjusts, as the levels of repetition of down control channel; Can also be that multiple channel adjusts, together as down control channel and ascending control channel etc.
Preferably, adjust special Format, the signaling being namely used to indicate duplicate message comprises following instructions field one of at least: cover grade instructions field, levels of repetition instructions field, number of repetition instructions field.
Preferably, above-mentioned physical layer signaling multiplexing transmission together with DCI at least comprises: use hierarchical modulation technology adjustment signaling to be transmitted together with existing DCI.
Preferably, in physical layer signaling, as 2 bits (bit) can indicate maximum 4 kinds of levels of repetition, as shown in Table 1 and Table 2; 3bit can indicate levels of repetition in maximum 8, as shown in table 3; 4bit instruction covers grade and number of repetition, and an indication signaling high position and status indicate respectively, as shown in table 4.
Table 12bit indicates 3 to cover grade/levels of repetition/number of times
| Index | Grade/number of times |
| 0 | 5dB/4 time |
| 1 | 10dB/20 time |
| 2 | 15dB/80 time |
Wherein, in form, the numerical value of some covering grades can represent the numerical value of the maximum support of levels of repetition that this index is corresponding, such as, in Table 1, index 0 correspondence cover rate range be (0,5dB], it is (5dB that index 1 correspondence covers rate range, 10dB], index 2 correspondence cover rate range be (10dB, 15dB].Following form is identical.
Table 22bit indicates 4 to cover grade/levels of repetition/number of times
| Index | Grade/number of times |
| 0 | 0dB/ does not repeat |
| 1 | 5dB/4 time |
| 2 | 10dB/20 time |
| 3 | 15dB/80 time |
Table 33bit instruction covers grade/levels of repetition/number of times
| 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 and cover 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, cover grade and preferably adopt decibel (dB) as unit, levels of repetition and number of repetition are certain corresponding relation, and such as, levels of repetition (or covering grade) is higher, and corresponding number of repetition can be constant or higher; Or same covering grade is according to different levels of repetition, different numbers of repetition can be corresponded to.
Wherein, in the form of the embodiment of the present invention, " index " may be used for the different covering grade of mark or different levels of repetition or different numbers of repetition; Preferably, an index is for identifying by least two the one group of corresponding relations formed covered in grade, levels of repetition, number of repetition.
Fig. 7 is the schematic flow sheet of the method for adjustment of the duplicate message of down control channel according to this preferred embodiment, as shown in Figure 7, preferably, when channel is down control channel, adjusts its number of times repeating to transmit and also comprise: the number of repetition adjusting polymerization grade, the number of repetition of adjustment member polymerization grade, polymerization grade in adjustment member sub-frame set or the polymerization grade used when it repeats to transmit.
Preferably, the levels of repetition adjusting down control channel also comprises:
Adjust the polymerization grade used when it repeats to transmit, namely number of repetition constant while change the polymerization grade used, as polymerization grade (AL) 4 becomes AL8, simultaneously number of repetition is constant;
The number of repetition of adjustment member polymerization grade, partly refers to k polymerization grade here, k belong to set 1,2,4,8,16, one or more in 32}, as only adjusted the number of repetition of AL8;
The number of repetition of the polymerization grade in adjustment member sub-frame set or partially polymerized grade, namely to using the sub-frame set repeating to transmit to adjust, here partly refer to m sub-frame set, m belong to set 1,2,3,4 ..., one or more in M}, M be greater than 0 positive integer.As to the subframe of SFN value corresponding to 10-20, i.e. sub-frame set 1, adjust the polymerization grade of this sub-frame set or the number of repetition of partially polymerized grade.
Preferably, the levels of repetition adjusting channel also comprises: 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 is adjusted to the levels of repetition after adjusting with part sub-frame set after stabilization.Stable finger afterwards receive data or receive confirmation or interval time X millisecond, wherein X is positive integer, and its value can be arranged flexibly according to the demand of system.
Preferably, the number of repetition of adjustment member sub-frame set upper signal channel, as the 1st sub-frame set, now all the other sub-frame set still carry out repeating transmission according to current levels of repetition.
Preferably, the number of repetition of adjustment member sub-frame set upper signal channel, as the 1st sub-frame set, now all the other sub-frame set still carry out repeating transmission according to current levels of repetition.After the 1st sub-frame set adjusts afterwards and be stable, all the other subframe collection are also adjusted to and the 1st levels of repetition that subframe collection is identical.
Preferably, adjust the levels of repetition used when signaling sends comprise following one of at least: send adjustment signaling with current levels of repetition, send adjustment signaling with maximum levels of repetition.
Preferably, pay the utmost attention to when adjusting from large levels of repetition toward little levels of repetition and send adjustment signaling with current levels of repetition, pay the utmost attention to when adjust from little levels of repetition toward large levels of repetition to send with maximum levels of repetition and adjust signaling; Wherein, maximum levels of repetition can be the maximal cover grade of base station configuration, or, the maximal cover grade of default configuration;
Preferably, adjust when signaling sends and only support from larger levels of repetition toward the adjustment of less levels of repetition.
Preferably, pay the utmost attention to when adjusting from large levels of repetition toward little levels of repetition and send adjustment signaling with current levels of repetition, 0,1,2,3 four levels of repetition is had as worked as, when adjusting from levels of repetition 2 to levels of repetition 1, what use levels of repetition 2 correspondence repeats transmission adjustment signaling for 20 times; Pay the utmost attention to when adjusting from little levels of repetition toward large levels of repetition and send adjustment signaling with maximum levels of repetition, 0,1,2,3 four levels of repetition is had as worked as, when adjusting from levels of repetition 1 to levels of repetition 2, what use levels of repetition 3 correspondence repeats transmission adjustment signaling for 80 times;
Preferably, the initial subframe of the transmission of physical layer signaling comprises: predefine value, determine, determine according to different levels of repetition according to current levels of repetition.
Wherein, predefine value comprises radio frames subframe 0 or meets the subframe of (k+10 × SFN) mod C=0, and C is predefined periodic quantity.
Wherein, be defined as using identical initial subframe with the control channel of current levels of repetition according to current levels of repetition.Preferably, the physical layer signaling sending adjustment levels of repetition uses identical initial subframe with the control channel of current covering grade.The initial subframe that the control channel of such as current covering grade uses is the subframe meeting (k+10 × SFN) mod N=0, wherein N is number of repetition, then the initial subframe sending the physical layer signaling place of adjustment levels of repetition also meets (k+10 × SFN) modN=0.
Wherein, be defined as initial subframe according to different levels of repetition and become corresponding relation with the levels of repetition that will adjust to.Preferably, a kind of possible corresponding relation is: suppose levels of repetition L
itime down control channel number of repetition be N
i, then the initial subframe sending the physical layer signaling place of adjustment levels of repetition meets (k+10 × SFN) mod N
i=0.
Preferably, the transmission times of physical layer signaling comprises: only send once, comprise in time window M k repeat for N time transmission.Wherein, comprise in time window M k repeat for N time transmit in the long M of window for being more than or equal to the value of k × M.
Preferably, sending with cycle C of physical layer signaling, wherein C is positive integer, and its value can be arranged flexibly according to the demand of system.
Preferably, terminal carries out ACK/NACK feedback after being received in physical layer signaling.
Preferably, the entry-into-force time of physical layer signaling comprises: come into force after being sent completely this signaling, come into force after time window M, next cycle C comes into force, receive feedback after come into force.
Preferably, when only sending once adjustment signaling, come into force after being sent completely this signaling, comprise next subframe or next radio frames; For adjustment time, with the long M(of window include k repeat for N time transmit) adjust time, can come into force at next time window M; Can come into force in next cycle for when with the cycle, C adjusts; For when having a feedback information, can come into force after receiving feedback information.
Preferably, the levels of repetition of adjustment channel comprises: uses a physical layer signaling or high-level signaling to adjust a channel, use a physical layer signaling or high-level signaling to adjust the combination of channel, and compound mode includes but not limited to following mode one of at least: the combination of at least two kinds of channels such as { down control channel and ascending control channel }, { downlink traffic channel and reverse link traffic channel }, { down control channel and downlink traffic channel and reverse link traffic channel }, { down control channel and ascending control channel and downlink traffic channel and reverse link traffic channel }.
Preferably, terminal determines, the need of adjustment levels of repetition, if desired to adjust, trigger access procedure according to measurement.
Preferably, when terminal detects the down control channel of carrying adjustment signaling, one is to detect when levels of repetition, and simultaneously one detects with current levels of repetition and maximum levels of repetition.
Embodiment 1
Under coverage enhancement scene, base station adjusts the levels of repetition/number of times of down control channel by physical layer signaling or covers grade.
Wherein, physical layer signaling in existing DCI format, adds new bit territory realize indicating adjustment; This new bit territory comprises levels of repetition instructions field or number of repetition instructions field.In physical layer signaling, 2bit can be adopted to indicate 3 kinds of levels of repetition, such as, shown in table 5.
Table 52bit indicates 3 to cover grade/levels of repetition/number of times
| Index | Grade/number of times |
| 0 | 5dB/4 time |
| 1 | 10dB/20 time |
| 2 | 15dB/80 time |
The initial subframe of transmission of this physical layer signaling is determined according to current levels of repetition.The physical layer signaling sending this adjustment levels of repetition uses identical initial subframe with the control channel of current covering grade.The initial subframe that the control channel of current covering grade uses is the subframe meeting (k+10 × SFN) mod N=0, wherein k is initial subframe, N is number of repetition, then the initial subframe sending the physical layer signaling place of adjustment levels of repetition also meets (k+10 × SFN) mod N=0.This physical layer signaling uses current levels of repetition to send, and only sends once.
The entry-into-force time of this physical layer signaling comes into force after being sent completely this signaling.
By the enforcement of this example, can make under coverage enhancement scene, the control channel repeating to transmit can adjust fast when covering demand changes.
Embodiment 2
Under coverage enhancement scene, high-level signaling is passed through in base station, such as radio resource control (Radio ResourceControl, referred to as RRC) signaling (comprises system information block (System Information Block, referred to as SIB) message), the levels of repetition/number of times of adjustment downlink traffic channel or covering grade.
Wherein, the bit territory that RRC signaling uses comprises levels of repetition instructions field or number of repetition instructions field.In RRC signaling, 2bit can be adopted to indicate 4 kinds of levels of repetition, as shown in table 6.
Table 62bit indicates 4 to cover grade/levels of repetition/number of times
| Index | Grade/number of times |
| 0 | 0dB/ does not repeat |
| 1 | 5dB/4 time |
| 2 | 10dB/30 time |
| 3 | 15dB/150 time |
The PDSCH carrying this RRC signaling sends initial subframe and determines according to corresponding PDCCH timing relationship, and it is initial that the PDCCH namely repeating to send terminates a rear k subframe, as k=1.This RRC signaling uses current levels of repetition to send, and only sends once.
Entry-into-force time of this RRC signaling for receive feedback information and correct after come into force.
By the enforcement of this example, can make under coverage enhancement scene, the Traffic Channel repeating to transmit can adjust in time when covering demand changes and ensure the correctness of adjustment.
Embodiment 3
Under coverage enhancement scene, base station adjusts the levels of repetition/number of times of ascending control channel by physical layer signaling or covers grade.
Wherein, physical layer signaling in existing DCI format, adds new bit territory realize indicating adjustment; This new bit territory comprises levels of repetition instructions field or number of repetition instructions field.In physical layer signaling, 2bit can be adopted to indicate 3 kinds of levels of repetition, as shown in table 7.
Table 72bit indicates 3 to cover grade/levels of repetition/number of times
| Index | Grade/number of times |
| 0 | 5dB/ without |
| 1 | 10dB/2 time |
| 2 | 15dB/10 time |
The initial subframe of transmission of this physical layer signaling is determined according to predefine value.The physical layer signaling sending this adjustment levels of repetition uses radio frames subframe 0 as initial subframe and uses the number of repetition N that current levels of repetition is determined, being sent in time window M of this physical layer signaling comprises k and repeat for N time to transmit, as k=2, M >=2N simultaneously.
Entry-into-force time of this physical layer signaling repeats for N time to transmit for including k with the long M(of window) come into force at next time window M when adjusting.
By the enforcement of this example, can make under coverage enhancement scene, the control channel repeating to transmit can adjust timely when covering demand changes and pass through repeatedly transmission and ensure the correctness of adjustment.
Embodiment 4
Under coverage enhancement scene, base station adjusts the levels of repetition/number of times of down control channel by physical layer signaling or covers grade.
Wherein, physical layer signaling in existing DCI format, adds new bit territory realize indicating adjustment; This new bit territory comprises levels of repetition instructions field or number of repetition instructions field.In physical layer signaling, a 4bit signaling high position and low level can be adopted to indicate respectively and cover grade and number of repetition, as shown in table 8, wherein the high 2bit instruction of index covers grade, and low 2bit indicates number of repetition.
A table 84bit signaling high position and low level indicate respectively and cover 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 initial subframe of transmission of this physical layer signaling is determined according to predefine value.The physical layer signaling sending this adjustment levels of repetition uses and meets the subframe of (k+10 × SFN) mod C=0 as initial subframe, and C is predefined periodic quantity, as 200 milliseconds (
ms).Sending with cycle C of this physical layer signaling, sends with maximum levels of repetition simultaneously.
The entry-into-force time of this physical layer signaling is for come into force for next cycle when C adjusts with the cycle.
By the enforcement of this example, can make under coverage enhancement scene, the control channel repeating to transmit can be adjusted timely when covering demand changes and can be calibrated by each cycle.
Embodiment 5
Under coverage enhancement scene, base station adjusts the levels of repetition/number of times of down control channel by physical layer signaling or covers grade.
Wherein, physical layer signaling implicit transmission together with DCI realizes instruction adjustment, such as, use hierarchical modulation technology adjustment signaling to be transmitted together with existing DCI.This physical layer signaling comprises levels of repetition instructions field or number of repetition instructions field.In physical layer signaling, 2bit can be adopted to indicate 3 kinds of levels of repetition, as shown in table 9.
Table 92bit indicates 3 to cover grade/levels of repetition/number of times
| Index | Grade/number of times |
| 0 | 5dB/4 time |
| 1 | 10dB/20 time |
| 2 | 15dB/80 time |
The initial subframe of transmission of this physical layer signaling is determined according to different levels of repetition.The physical layer signaling sending this adjustment levels of repetition uses identical initial subframe with the control channel of the levels of repetition that will adjust to.Such as become corresponding relation with the levels of repetition that will adjust to, a kind of possible corresponding relation is: suppose levels of repetition L
itime down control channel number of repetition be N
i, then the initial subframe sending the physical layer signaling place of adjustment levels of repetition meets (k+10 × SFN) mod N
i=0.This physical layer signaling uses the levels of repetition that will adjust to send, and only sends once.
Entry-into-force time of this physical layer signaling for be sent completely this signaling and receive feedback information and correct after come into force.
By the enforcement of this example, can make under coverage enhancement scene, the control channel repeating to transmit can adjust in time when covering demand changes and terminal obtains adjustment signaling by the original position of each grade of blind check.
Embodiment 6
Under coverage enhancement scene, base station adjusts the levels of repetition/number of times of down control channel by physical layer signaling or covers grade.
Wherein, physical layer signaling in existing DCI format, adds new bit territory realize indicating adjustment; This new bit territory comprises polymerization grade instructions field.In physical layer signaling, 1bit can be adopted to indicate 2 kinds of polymerization grade, as shown in table 10.
Table 101bit indicates 2 polymerization grade
| Index | Polymerization grade |
| 0 | AL4 |
| 1 | AL8 |
The initial subframe of transmission of this physical layer signaling is determined according to current levels of repetition.The physical layer signaling sending this adjustment levels of repetition uses identical initial subframe with the control channel of current covering grade.The initial subframe that the control channel of current covering grade uses is the subframe meeting (k+10 × SFN) mod N=0, wherein k is initial subframe, N is number of repetition, then the initial subframe sending the physical layer signaling place of adjustment levels of repetition also meets (k+10 × SFN) mod N=0.This physical layer signaling uses current levels of repetition to send, and only sends once.
The entry-into-force time of this physical layer signaling comes into force after being sent completely this signaling.
By the enforcement of this example, can make under coverage enhancement scene, the control channel repeating to transmit can adjust timely when covering demand changes and only adjust polymerization grade and not change number of repetition, is applicable to the situation that covering demand has less change.
Embodiment 7
Under coverage enhancement scene, base station adjusts the levels of repetition/number of times of down control channel and downlink traffic channel by physical layer signaling or covers grade.
Wherein, physical layer signaling in existing DCI format, adds new bit territory realize indicating adjustment; This new bit territory comprises levels of repetition instructions field or number of repetition instructions field.In physical layer signaling, 2bit can be adopted to indicate 4 kinds of levels of repetition, as shown in table 11, wherein, in table 11, illustrate that down control channel and downlink traffic channel use identical levels of repetition but use different numbers of repetition separately.
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 | Do not repeat | Do not repeat |
| 1 | 5dB | 4 | 4 |
| 2 | 10dB | 20 | 30 |
| 3 | 15dB | 80 | 150 |
This physical layer signaling adjusts from current levels of repetition 2 toward levels of repetition 1, and the initial subframe of transmission of this physical layer signaling is determined according to current levels of repetition.The physical layer signaling sending this adjustment levels of repetition uses identical initial subframe with the control channel of current covering grade.The initial subframe that the control channel of current covering grade uses is the subframe meeting (k+10 × SFN) mod N=0, wherein k is initial subframe, N is number of repetition, then the initial subframe sending the physical layer signaling place of adjustment levels of repetition also meets (k+10 × SFN) mod N=0.This physical layer signaling uses current levels of repetition to send, and only sends once.
The entry-into-force time of this physical layer signaling comes into force after being sent completely this signaling.
By the enforcement of this example, can make under coverage enhancement scene, the control channel and the Traffic Channel that repeat transmission can adjust when covering demand changes simultaneously fast.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
More than above are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. a duplicate message sending method, is characterized in that comprising:
Base station sends the instruction physical layer signaling of duplicate message or high-level signaling to subscriber equipment, wherein, described duplicate message for adjusting the number of transmissions of channel, described duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
2. method according to claim 1, is characterized in that, described subscriber equipment comprises: machine type communication device.
3. method according to claim 1, is characterized in that, described channel comprise following one of at least:
Down control channel, ascending control channel, downlink traffic channel, reverse link traffic channel.
4. method according to claim 1, is characterized in that, when described base station sends described duplicate message by described physical layer signaling, described physical layer signaling comprises one of following:
Bit territory in the Downlink Control Information strengthened, the bit territory in newly-increased Downlink Control Information, the signaling by multiplexing transmission technology and Downlink Control Information multiplexing transmission.
5. method according to claim 1, is characterized in that, when described base station sends described duplicate message by physical layer signaling, the initial subframe sending described physical layer signaling comprises one of following:
Predetermined subframe, the subframe corresponding with current levels of repetition, the subframe corresponding with the levels of repetition that will adjust to.
6. method according to claim 5, is characterized in that,
Described predetermined subframe comprises: the subframe 0 of radio frames, or, meet the subframe of (k+10 × SFN) mod C=0; Wherein, k=1,2,3 SFN represents the System Frame Number of radio frames; Mod is modulo operation; C is positive integer, represents predetermined period;
Subframe corresponding to described and current levels of repetition comprises: the initial subframe identical with the control channel of described current levels of repetition;
Subframe corresponding to the described levels of repetition with adjusting to comprises: the initial subframe identical with the control channel of the described levels of repetition that will adjust to.
7. method according to claim 1, is characterized in that, described base station, by the many groups of modes repeating to send once sent or in scheduled time window, sends described physical layer signaling or described high-level signaling.
8. method according to claim 1, is characterized in that, when described base station repeatedly sends described physical layer signaling or described high-level signaling, described base station sends described physical layer signaling or described high-level signaling with the predetermined transmission cycle.
9. method according to claim 1, is characterized in that, after described base station sends described physical layer signaling or described high-level signaling to described subscriber equipment, described method also comprises:
Described base station receives the feedback of described subscriber equipment to described physical layer signaling or described high-level signaling.
10. method according to claim 3, it is characterized in that, a described physical layer signaling or described high-level signaling are for adjusting the number of transmissions of a channel in described channel or one group of channel, and wherein, described one group of channel comprises the combination of at least two channels in described channel.
11. methods according to claim 1, it is characterized in that, described duplicate message comes into effect after described base station sends described physical layer signaling or described high-level signaling, or described duplicate message is at the described physical layer signaling of transmission or described high-level signaling and come into force after window after a predetermined time, or described duplicate message sends the cycle from the next one sending described physical layer signaling or described high-level signaling and comes into effect, or described base station receives described subscriber equipment and comes into effect to after the feedback information of described physical layer signaling or described high-level signaling.
12. methods according to claim 3, is characterized in that, when described channel comprises down control channel, described duplicate message also for:
When keeping the number of transmissions of described down control channel constant, adjust the polymerization grade of the described down control channel in all or part of sub-frame set; Or,
Adjust the number of transmissions of the described down control channel of specific aggregation grade in described all or part of sub-frame set, wherein, described specific aggregation grade comprises one or more polymerization grade.
13. methods according to any one of claim 1 to 12, it is characterized in that, described base station only sends described duplicate message to described subscriber equipment when current levels of repetition being adjusted toward less levels of repetition, wherein, the number of transmissions that described less levels of repetition is corresponding is less than the number of transmissions corresponding to described current levels of repetition.
14. methods according to any one of claim 1 to 12, it is characterized in that, the described the number of transmissions adjusting described channel comprises: the described the number of transmissions adjusting described channel in the part sub-frame set for transmitting described channel.
15. methods according to claim 14, is characterized in that, after the described the number of transmissions adjusting described channel in described part sub-frame set, the described the number of transmissions adjusting described channel also comprises:
Determine that the described transmission in described part sub-frame set is stablized by following mode one of at least: receive data by the described channel in described part sub-frame set, receive the expression of opposite end response transmit stable confirmation, in the described part sub-frame set of adjustment described channel described the number of transmissions after reach predetermined interval;
Adjust the described the number of transmissions of described channel in other sub-frame set all or part of, wherein, other subframes described comprise: transmit the sub-frame set not adjusting described the number of transmissions in whole sub-frame set of described channel.
16. methods according to any one of claim 1 to 12, it is characterized in that, when described duplicate message is levels of repetition, before described base station sends described physical layer signaling or described high-level signaling to described subscriber equipment, described method also comprises:
The levels of repetition that described physical layer signaling or described high-level signaling use is determined to send in described base station, and wherein, described base station sends described physical layer signaling or described high-level signaling to described subscriber equipment by the levels of repetition determined.
17. methods according to claim 16, is characterized in that, described base station determine to send levels of repetition that described physical layer signaling or described high-level signaling use comprise following one of at least:
The levels of repetition that current levels of repetition uses for the described physical layer signaling of transmission or described high-level signaling is determined in described base station;
The levels of repetition that maximum levels of repetition uses for the described physical layer signaling of transmission or described high-level signaling is determined in described base station;
When described current levels of repetition being adjusted toward less levels of repetition, the levels of repetition that described current levels of repetition uses for the described physical layer signaling of transmission or described high-level signaling is determined in described base station;
When described current levels of repetition being adjusted toward larger levels of repetition, the levels of repetition that described maximum levels of repetition uses for the described physical layer signaling of transmission or described high-level signaling is determined in described base station;
Wherein, described maximum levels of repetition determines according to the maximal cover grade of configuration; The corresponding respectively described the number of transmissions of described less levels of repetition, described current levels of repetition, described larger levels of repetition, described maximum levels of repetition is in the trend increased successively.
18. 1 kinds of duplicate message method of reseptances, is characterized in that comprising:
Subscriber equipment receives the instruction physical layer signaling of duplicate message or high-level signaling, wherein, described duplicate message for adjusting the number of transmissions of channel, described duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
19. 1 kinds of base stations, is characterized in that comprising:
Transceiver station, for sending the instruction physical layer signaling of duplicate message or high-level signaling to subscriber equipment, wherein, described duplicate message for adjusting the number of transmissions of channel, described duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
20. 1 kinds of subscriber equipmenies, is characterized in that comprising:
Receiver, for receiving the instruction physical layer signaling of duplicate message or high-level signaling, wherein, described duplicate message for adjusting the number of transmissions of channel, described duplicate message comprise following one of at least: levels of repetition, number of repetition, covering grade.
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| 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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Also Published As
| Publication number | Publication date |
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| CN104811262B (en) | 2019-06-11 |
| WO2015109845A1 (en) | 2015-07-30 |
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