CN104521258A - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN104521258A CN104521258A CN201380001240.7A CN201380001240A CN104521258A CN 104521258 A CN104521258 A CN 104521258A CN 201380001240 A CN201380001240 A CN 201380001240A CN 104521258 A CN104521258 A CN 104521258A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0028—Variable division
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0087—Timing of allocation when data requirements change
Abstract
Provided are a data transmission method and device, the method comprising: a data receiving and transmitting device judges whether the Nth fallback period contains a radio block period where a selected carrier determined by a set carrier selection algorithm is a single carrier, the fallback periods consisting of i radio block periods, and both i and N being positive integers; if yes, the data receiving and transmitting device cancels the periodic fallback operation in the Nth fallback period, and, in the ith radio block period of the Nth fallback period, uses the selected carrier for the ith radio block period determined by the set carrier selection algorithm to transmit or receive data; if not, the data receiving and transmitting device performs the periodic fallback operation in the Nth fallback period. The above method reduces the number of fallbacks to a single carrier and increases the peak throughput.
Description
The present invention relates to the communication technology, more particularly to a kind of method and apparatus of data transfer for the method and apparatus technical field of data transfer.
Background technology
Downlink double/multi-load ripple（Downl ink multi-carrier, DLMC) technology allow network simultaneously by multiple descending carrier resource allocations give same terminal.Terminal can receive the signal on multiple carrier waves simultaneously using broadband receiver.In downlink double/multi-load wave technology, in the case of being carried out data transmission by the way of the frequency hopping, maximum carrier wave interval between multiple carrier waves of network allocation is change, because the maximum receiver bandwidth of terminal is fixed, so being likely to the situation for occurring causing the burst burst on some carrier waves not received because of the maximum that maximum carrier wave interval is more than receiver bandwidth in each radio block period.Such as terminal receiver band a width of 30,3 carrier waves distinguish frequency hopping to absolute radio frequency channel number (absolute radio frequency channel number on some burst, ARFCN it is) 35,45,70, shellfish lj maximum carrier waves are at intervals of 35, beyond the receiver bandwidth of terminal, it is impossible to while receiving the data on 3 carrier waves.When there is above-mentioned situation, base station can select portion of carriers to send data, and terminal correspondingly only monitors downlink data block in part carrier wave.Gp, base station and terminal all can select carrier wave by carrier wave selection algorithm.And narrow-band receiver（Only receive the receiver of a carrier wave）Compare, broadband receiver is easier band internal congestion occur.Therefore, DLMC technologies are introduced " returning back to single carrier "（Fal lback to single-carrier mode) concept, i.e. network side equipment and terminal periodically return back to single carrier mode according to certain rule.But, current this processing mode sacrifices certain peak throughput rate performance, that is, reduces peak throughput rate for the data transfer of network side equipment and terminal.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of method and apparatus of data transfer, to lift peak value
Throughput.In a first aspect, the embodiment of the present invention provides a kind of method of data transfer, including：Data transmitter-receiver set judges that the selection carrier wave determined in n-th back-off period with the presence or absence of the carrier wave selection algorithm by setting is the radio block period of single carrier wave, and the back-off period is made up of i radio block period, and i and N are positive integer；If, then the data transmitter-receiver set cancels the periodicity rollback operation in the n-th back-off period, uses the selection carrier wave of i-th of radio block period of the carrier wave selection algorithm determination by the setting to send or receive data in i-th of radio block period of the n-th back-off period；If it is not, then the data transmitter-receiver set performs the periodicity rollback operation in the n-th back-off period.With reference in a first aspect, in the first possible implementation of first aspect, the data transmitter-receiver set judges that whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period includes：The data transmitter-receiver set judges whether the selection carrier wave of each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.With reference in a first aspect, in second of possible implementation of first aspect, the judgement whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period to be included：The data transmitter-receiver set is if it is determined that the selection carrier wave of i-th radio block period is multiple carrier waves, then judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period；And/or；The data transmitter-receiver set is if it is determined that the selection carrier wave of i-th radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.With reference in a first aspect, in the third possible implementation of first aspect,
The judgement whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period to be included：
The data transmitter-receiver set judges to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period selects carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period.With reference to first aspect or its first any of to the third possible implementation, in the 4th kind of possible implementation of first aspect,
The periodicity rollback operation performed in the n-th back-off period includes：In i-th of radio block period of the n-th back-off period, received or transmission data using default single carrier wave, or using any carrier wave in the selection carrier wave of i-th of radio block period.
Second aspect, the embodiment of the present invention provides a kind of data transmitter-receiver set, including：
Judge module, for judging to whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period, the back-off period is made up of i radio block period, and i and N are positive integer；Rollback module, if the judged result for the judge module is yes, then cancel the periodicity rollback operation in the n-th back-off period, use the selection carrier wave of i-th of radio block period of the carrier wave selection algorithm determination by the setting to send or receive data in i-th of radio block period of the n-th back-off period；If the judged result of the judge module is no, the periodicity rollback operation in the n-th back-off period is performed.With reference to second aspect, in the first mode in the cards of second aspect, the judge module specifically for：
Whether the selection carrier wave for judging each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.With reference to second aspect, in second of mode in the cards of second aspect,
The judge module specifically for：If it is determined that the selection carrier wave of i-th of radio block period is multiple carrier waves, then judge described
It whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm of the setting is single carrier wave in all radio block periods in N number of back-off period in addition to i-th of radio block period, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period；And/or if it is determined that the selection carrier wave of i-th of radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.With reference to second aspect, in the third possible implementation of second aspect, the judge module specifically for：Judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period.With reference to second aspect or its first any of to the third possible implementation, in the 4th kind of possible implementation of second aspect, the rollback module specifically for：In i-th of radio block period of the n-th back-off period, received or transmission data using default single carrier wave, or using any carrier wave in the selection carrier wave of i-th of radio block period.With reference to any of second aspect or its first to fourth kind of possible implementation, in the 5th kind of mode in the cards of second aspect, described device is base station or terminal.The third aspect, the embodiment of the present invention provides a kind of data transmitter-receiver set, including：Transceiver, for sending or receiving data；Processor, for judging to whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period, the back-off period is made up of i radio block period, and i and N are positive integer；
The processor, it is additionally operable to if the determination result is YES, then cancel the periodicity rollback operation in the n-th back-off period, indicate that the selection carrier wave for i-th of radio block period that the transceiver uses the carrier wave selection algorithm by the setting to determine sends or received data in i-th of radio block period of the n-th back-off period；If judged result is no, the periodicity rollback operation in the n-th back-off period is performed.With reference to the third aspect, in the first possible implementation of the third aspect, the processor specifically for：Whether the selection carrier wave for judging each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.With reference to the third aspect, in second of possible implementation of the third aspect, the processor specifically for：If it is determined that the selection carrier wave of i-th of radio block period is multiple carrier waves, then judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period；And/or if it is determined that the selection carrier wave of i-th of radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.With reference to the third aspect, in the third possible implementation of the third aspect, the processor specifically for：Judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period.With reference to the third aspect or its first any of to the third possible implementation, in third party
In the 4th kind of possible implementation in face,
The processor specifically for：In i-th of radio block period of the n-th back-off period, indicate that the transceiver uses default single carrier wave, or receive or transmission data using any carrier wave in the selection carrier wave of i-th of radio block period.With reference to any of the third aspect or its first to fourth kind of possible implementation, in the 5th kind of mode in the cards of the third aspect, the data transmitter-receiver set is terminal or base station.Fourth aspect, the embodiment of the present invention provides a kind of computer program product, including computer-readable medium, and the computer-readable recording medium includes batch processing code, the method for performing the data transfer described in any of the above-described kind.The method and apparatus of data transfer provided in an embodiment of the present invention, by judging to whether there is the radio block period that the carrier wave selected by default carrier wave selection algorithm is single carrier wave in a back-off period, if, then cancel the periodicity rollback operation in the back-off period, the number of times that single carrier is return back to from downlink double/multi-load ripple is reduced, so as to improve peak throughput rate.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is briefly introduced, apparently, drawings in the following description are only some embodiments of the present invention, for one of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
The flow chart of the method for the data transfer that Fig. 1 provides for one embodiment of the invention；
Fig. 2 is the schematic diagram of the method for data transfer shown in Fig. 1；
The frame structure schematic diagram applied in the method for the data transfer that Fig. 3 provides for another embodiment of the present invention；
Downlink double/multi-load wave mode schematic diagram in the method for the data transfer that Fig. 4 provides for another embodiment of the present invention；
Downlink double/multi-load wave mode schematic diagram in the method for the data transfer that Fig. 5 provides for another embodiment of the present invention；
Downlink double/multi-load wave mode schematic diagram in the method for the data transfer that Fig. 6 provides for another embodiment of the present invention；
The structural representation for the data transmitter-receiver set that Fig. 7 provides for another embodiment of the present invention；
The structural representation for the data transmitter-receiver set that Fig. 8 provides for another embodiment of the present invention.
Embodiment is in order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, obviously, described embodiment is only embodiment of the invention a part of, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.The flow chart of the method for the data transfer that Fig. 1 provides for one embodiment of the invention.Method shown in the present embodiment can be the operating process of network side equipment such as base station etc. or the operating process of end side, specifically include：
Step 11, data transmitter-receiver set judge to whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period, the back-off period is made up of i radio block period, and i and N are positive integer.Wherein, data transmitter-receiver set can be the terminals such as base station or mobile phone.Wherein, back-off period is the time interval between periodicity rollback operation adjacent twice, specifically, as shown in Fig. 2 it is two adjacent time intervals met between the TDMA frame of the pattern that back-off period, which is T, i.e. back-off period,.Wherein, periodically retracting can be by the way of " implicit to retract ", i.e., network side equipment and terminal arrange a time division multiple acess（Time Division Multiple Access, TDMA) the pattern of frame number, it is every meet the TDMA frame of the pattern where radio block just return back to single carrier mode, periodically it return back on a carrier wave and sends and receives data, one carrier wave can be preset, the rule determination that can also be arranged using network side equipment and terminal, herein without limiting.Wherein, default carrier wave selection algorithm can be one or more of carrier wave selection algorithms that network side equipment and terminal are made an appointment, network side equipment or terminal inner can be specifically set in advance in, it can also be pre-configured with by input equipment to network side equipment or terminal, belong to prior art, here is omitted.
If step 12, then the data transmitter-receiver set cancels the periodicity rollback operation in the n-th back-off period, uses the selection carrier wave of i-th radio block period of the carrier wave selection algorithm determination by the setting to send or receive data in i-th of radio block period of the n-th back-off period；If it is not, then the data transmitter-receiver set performs the periodicity rollback operation in the n-th back-off period.Specifically, as shown in Fig. 2 wherein, each vertical setting of types lattice represents a radio block period, each horizontally-arranged lattice represents a carrier wave.Network and terminal are performed in the N-1 back-off period after the periodicity rollback operation in the N-1 back-off period, network side equipment and terminal calculate the carrier wave in n-th back-off period in each radio block period by identical carrier wave selection algorithm, and it is the radio block period of single carrier to determine the carrier wave that whether there is selection in the n-th back-off period.If existing in n-th back-off period at least one radio block period and only have selected a carrier wave, so network side equipment and terminal cancel the periodicity rollback operation in the n-th back-off period, the carrier-wave transmission data selected still according to carrier wave selection algorithm.If the situation that a carrier wave is only have selected in any one radio block period is not present in n-th back-off period, then network side equipment and terminal are performed both by the periodicity rollback operation in the n-th back-off period, pressure return back to single carrier mode.Exemplary, the data transmitter-receiver set judges that whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period may include：The data transmitter-receiver set judges whether the selection carrier wave of each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.Exemplary, the judgement whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period may include：The data transmitter-receiver set is if it is determined that the selection carrier wave of i-th radio block period is multiple carrier waves, then judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that selection is not present in the n-th back-off period and carries
Ripple is the radio block period of single carrier wave；And/or；The data transmitter-receiver set is if it is determined that the selection carrier wave of i-th radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.Exemplary, the judgement whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period may include：
The data transmitter-receiver set judges to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period selects carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period.Exemplary, the periodicity rollback operation performed in the n-th back-off period may include：In i-th of radio block period of the n-th back-off period, received or transmission data using default single carrier wave, or using any carrier wave in the selection carrier wave of i-th of radio block period.Method shown in above-described embodiment is by judging that the carrier wave that whether there is selection in a back-off period is the radio block period of single carrier wave, and there is the radio block period of single carrier wave, then cancel the mode of the periodicity rollback operation in the back-off period, the number of times for returning back to single carrier from downlink double/multi-load ripple in the prior art is reduced, throughput performance is further improved compared with the prior art.Exemplified by Fig. 3-Fig. 6, the method to data transfer is described in further details.Downlink double/multi-load wave mode schematic diagram in the frame structure schematic diagram applied in the method for the data transfer that Fig. 3 provides for another embodiment of the present invention, the method for the data transfer that Fig. 4 provides for another embodiment of the present invention.In the present embodiment, the periodicity in n-th back-off period, which retracts, to be retained, and the periodicity in the N+1 back-off period retracts and is cancelled.
BCTB11 under single carrier mode shown in Fig. 3 in 52 multiframe frame structures represents 12 radio block periods of frame in more than 52, available for transmission data or signaling.Τ is packet timing advanced control channel（Packet timing advanced control channel, PTCCH), for transmission time advance information to terminal.X is idle frame.In Fig. 4, several carrier waves have selected by carrier wave selection algorithm in a radio block period, the lattice for just there are several mark radio block periods.As in n-th back-off period, being identified with
B3 lattice has 4, then it represents that radio block period B3 carrier wave has 4.All assume that descending carrier number is 4 to the maximum in following examples, carrier wave selection algorithm is wide 4 carrier waves in the carrier wave selection result that different radio block periods may be exported.
It is assumed that the periodicity in the N-1 back-off period retracts and still forces to have return back to single carrier mode, in back-off period in the n-th back-off period of 52 multiframes, network side equipment and terminal all export corresponding carrier wave according to carrier wave selection algorithm in other radio block periods.
Figure 4, it is seen that the lattice that B6 is identified with n-th back-off period has 1, illustrate that the radio block period " B6 " in n-th back-off period have selected single carrier wave according to carrier wave selection algorithm.So, periodicity now in n-th back-off period retracts and can cancelled, and 4 carrier waves that last radio block period B2 in n-th back-off period can use carrier wave selection algorithm to obtain send or received data.
It should be noted that：Back-off period is not limited to the value provided in Fig. 4, can also be other values, such as multiple of 52 multiframes etc. is repeated no more here.Downlink double/multi-load wave mode schematic diagram in the method for the data transfer that Fig. 5 provides for another embodiment of the present invention.
In the present embodiment, the periodicity in periodicity rollback and N number of back-off period in the N-1 back-off period, which retracts, to be all cancelled.
Specifically, it is assumed that the periodicity in the N-1 back-off period, which retracts, to be cancelled, in the n-th back-off period of 52 multiframes, and network side equipment and terminal select carrier wave by carrier wave selection algorithm in other radio block periods.
From figure 5 it can be seen that the lattice that B5 is identified with n-th back-off period has 1, illustrate that radio block period " B5 " in n-th back-off period selected according to carrier wave selection algorithm is single carrier wave.Periodicity so now in n-th back-off period retracts and is cancelled, the carrier-wave transmission data selected using carrier wave selection algorithm.As 2 carrier waves obtained using carrier wave selection algorithm of last radio block period B2 in n-th back-off period send or received data.Downlink double/multi-load wave mode schematic diagram in the method for the data transfer that Fig. 6 provides for another embodiment of the present invention.
In the present embodiment, the periodicity rollback operation in the N-1 back-off period is cancelled, and n-th is returned
The periodicity rollback operation moved back in the cycle is retained.
As shown in Figure 6, it is assumed that the periodicity that network side equipment and terminal are cancelled in the N-1 back-off period retracts, in the n-th back-off period of 52 multiframes, network side equipment and terminal all select carrier wave by carrier wave selection algorithm in other radio block periods.
From fig. 6 it can be seen that in the n-th back-off period of 52 multiframes, the radio block period that the selection carrier wave determined by carrier wave selection algorithm is single carrier wave is not present in all radio block periods in addition to last radio block period B2.So, because last radio block period B2 selection carrier waves determined by carrier wave selection algorithm are single carrier waves, therefore, the periodicity rollback operation in n-th back-off period can now be performed, pressure return back to single carrier mode, and last radio block period B2 of the carrier wave selection algorithm determination by setting selection carrier wave can also be used to send or receive data.If the selection carrier wave that radio block period B2 is determined by carrier wave selection algorithm is multiple carrier waves, that so data transmitter-receiver set has to carry out periodicity rollback operation in n-th back-off period, and pressure return back to single carrier mode.Method shown in the above embodiment of the present invention return back to the technology of single carrier compared to existing downlink double/multi-load, cancel the periodicity rollback operation in the back-off period when there is the radio block period that the carrier wave selected by carrier wave selection algorithm is single carrier wave in a back-off period, the number of times for returning back to single carrier is reduced, peak throughput rate is improved.The structural representation for the data transmitter-receiver set that Fig. 7 provides for another embodiment of the present invention.Device shown in the present embodiment is used to realize the method shown in Fig. 1, can be base station, terminal, including：Judge module 71 and rollback module 72.Judge module 71, for judging to whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period, the back-off period is made up of i radio block period, and i and N are positive integer；Rollback module 72, it is yes for the judged result in the judge module 71, then cancel the periodicity rollback operation in the N back-off period, use the selection carrier wave of i-th of radio block period of the carrier wave selection algorithm determination by the setting to send or receive data in i-th of radio block period of the n-th back-off period；If the judged result of the judge module 71 is no, the periodicity rollback operation in the N back-off period is performed.It is exemplary, the judge module 71 specifically for：
Whether the selection carrier wave for judging each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.It is exemplary, the judge module 71 specifically for：If it is determined that the selection carrier wave of i-th of radio block period is multiple carrier waves, then judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period；And/or if it is determined that the selection carrier wave of i-th of radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.It is exemplary, the judge module 71 specifically for：Judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period.It is exemplary, the rollback module 72 specifically for：In i-th of radio block period of the n-th back-off period, received or transmission data using default single carrier wave, or using any carrier wave in the selection carrier wave of i-th of radio block period.The structural representation for the data transmitter-receiver set that Fig. 8 provides for another embodiment of the present invention.Device shown in the present embodiment is used to realize the method shown in Fig. 1, can be base station, terminal, including：Transceiver 81, for sending or receiving data；Processor 82, for judging to whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period, the back-off period is made up of i radio block period, and i and N are positive integer；The processor 82, is additionally operable to if the determination result is YES, then cancels in the n-th back-off period
Periodicity rollback operation, indicate that the selection carrier wave for i-th of radio block period that the transceiver 81 is determined using the carrier wave selection algorithm by the setting is sent or reception data in i-th of radio block period of the n-th back-off period；If judged result is no, the periodicity rollback operation in the n-th back-off period is performed.It is exemplary, the processor 82 specifically for：Whether the selection carrier wave for judging each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.
It is exemplary, the processor 82 specifically for：If it is determined that the selection carrier wave of i-th of radio block period is multiple carrier waves, then judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period；And/or if it is determined that the selection carrier wave of i-th of radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.It is exemplary, the processor 82 specifically for：Judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period.It is exemplary, the processor 82 specifically for：In i-th radio block period of the n-th back-off period, indicate that the transceiver 81 uses default single carrier wave, or receive or transmission data using any carrier wave in the selection carrier wave of i-th radio block period.The embodiment of the present invention gives a kind of computer program product, and the computer program product includes computer-readable medium, and the computer-readable recording medium includes first group of program code, for performing method shown in above-mentioned Fig. 1
In step：Judge to whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period, the back-off period is made up of i radio block period, and i and N are positive integer；
If, then cancel the periodicity rollback operation in the n-th back-off period, use the selection carrier wave of i-th of radio block period of the carrier wave selection algorithm determination by the setting to send or receive data in i-th of radio block period of the n-th back-off period；If it is not, then performing the periodicity rollback operation in the n-th back-off period.Alternatively, judge that whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period includes：Whether the selection carrier wave for judging each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.Alternatively, the judgement whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period and include：If it is determined that the selection carrier wave of i-th of radio block period is multiple carrier waves, then judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period；And/or；If it is determined that the selection carrier wave of i-th of radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.Alternatively, the judgement whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period and include：Judge that whether there is the selection carrier wave determined by the carrier wave selection algorithm of the setting in all radio block periods in the n-th back-off period in addition to i-th of radio block period is single carrier wave
Radio block period, if, it is determined that in the n-th back-off period exist selection carrier wave be single carrier wave radio block period, if not, it is determined that in the n-th back-off period be not present selection carrier wave be single carrier wave radio block period.Alternatively, the periodicity rollback operation performed in the n-th back-off period includes：In i-th of radio block period of the n-th back-off period, received or transmission data using default single carrier wave, or using any carrier wave in the selection carrier wave of i-th of radio block period.Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be realized with hardware, or firmware is realized, or combinations thereof mode is realized.When implemented in software, above-mentioned functions can be stored in computer-readable medium or be transmitted as one or more instructions on computer-readable medium or code.Computer-readable medium includes computer-readable storage medium and communication media, and wherein communication media includes being easy to any medium that computer program is transmitted from a place to another place.Storage medium can be any usable medium that computer can be accessed.As example but it is not limited to：Computer-readable medium can include RAM, ROM, EEPR0M, CD-ROM or other optical disc storages, magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store with instruct or data structure form desired program code and can by computer access any other medium.In addition.Any connection can be suitably turn into computer-readable medium.If for example, software is to use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line（) or such as wireless technology of infrared ray, radio and microwave etc is transmitted from website, server or other remote sources DSL, then the wireless technology of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave etc be included in belonging to medium it is fixing in.As used in the present invention, disk（) and dish Disk（Disc compression laser disc) is included（CD), laser disc, laser disc, Digital Versatile Disc（DVD), floppy disk and Blu-ray Disc, the replicate data of the usual magnetic of which disk, and dish is then with laser come optical replicate data.Above combination above should also be as being included within the protection domain of computer-readable medium.Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
Claims (17)
- Claim1st, a kind of method of data transfer, it is characterised in that including：Data transmitter-receiver set judges that the selection carrier wave determined in n-th back-off period with the presence or absence of the carrier wave selection algorithm by setting is the radio block period of single carrier wave, and the back-off period is made up of i radio block period, and i and N are positive integer；If, then the data transmitter-receiver set cancels the periodicity rollback operation in the n-th back-off period, uses the selection carrier wave of i-th of radio block period of the carrier wave selection algorithm determination by the setting to send or receive data in i-th of radio block period of the n-th back-off period；If it is not, then the data transmitter-receiver set performs the periodicity rollback operation in the n-th back-off period.2nd, method according to claim 1, it is characterised in that the data transmitter-receiver set judges to whether there is in n-th back-off period to be included by the radio block period that the selection carrier wave of the carrier wave selection algorithm determination set is single carrier wave：The data transmitter-receiver set judges whether the selection carrier wave of each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.3rd, method according to claim 1, it is characterised in that the judgement whether there is in n-th back-off period to be included by the radio block period that the selection carrier wave of the carrier wave selection algorithm determination set is single carrier wave：The data transmitter-receiver set is if it is determined that the selection carrier wave of i-th radio block period is multiple carrier waves, then judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period；And/or；The data transmitter-receiver set is if it is determined that the selection carrier wave of i-th radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period. 4th, method according to claim 1, it is characterised in that the judgement whether there is in n-th back-off period to be included by the radio block period that the selection carrier wave of the carrier wave selection algorithm determination set is single carrier wave：The data transmitter-receiver set judges to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period selects carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period.5th, according to any one of claim 1-4 methods described, it is characterised in that the periodicity rollback operation in execution the N back-off period includes：In i-th of radio block period of the n-th back-off period, received or transmission data using default single carrier wave, or using any carrier wave in the selection carrier wave of i-th of radio block period.6th, a kind of data transmitter-receiver set, it is characterised in that including：Judge module, for judging to whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period, the back-off period is made up of i radio block period, and i and N are positive integer；Rollback module, if the judged result for the judge module is yes, then cancel the periodicity rollback operation in the n-th back-off period, use the selection carrier wave of i-th of radio block period of the carrier wave selection algorithm determination by the setting to send or receive data in i-th of radio block period of the n-th back-off period；If the judged result of the judge module is no, the periodicity rollback operation in the n-th back-off period is performed.7th, device according to claim 6, it is characterised in that the judge module specifically for：Whether the selection carrier wave for judging each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.8th, device according to claim 6, it is characterised in that the judge module specifically for：If it is determined that the selection carrier wave of i-th of radio block period is multiple carrier waves, then judge described It whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm of the setting is single carrier wave in all radio block periods in N number of back-off period in addition to i-th of radio block period, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period；And/or if it is determined that the selection carrier wave of i-th of radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.9th, device according to claim 6, it is characterised in that the judge module specifically for：Judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period.10th, according to any one of claim 6-9 described device, it is characterised in that the rollback module specifically for：In i-th of radio block period of the n-th back-off period, received or transmission data using default single carrier wave, or using any carrier wave in the selection carrier wave of i-th of radio block period.11st, according to any one of claim 6-10 described device, it is characterised in that described device is base station or terminal.12nd, a kind of data transmitter-receiver set, it is characterised in that including：Transceiver, for sending or receiving data；Processor, for judging to whether there is the radio block period that the selection carrier wave determined by the carrier wave selection algorithm set is single carrier wave in n-th back-off period, the back-off period is made up of i radio block period, and i and N are positive integer；The processor, it is additionally operable to if the determination result is YES, then cancel the periodicity rollback operation in the n-th back-off period, indicate that the selection carrier wave for i-th of radio block period that the transceiver uses the carrier wave selection algorithm by the setting to determine sends or received data in i-th of radio block period of the n-th back-off period；If judged result is no, the week in the n-th back-off period is performed Phase property rollback operation.13rd, according to claim 12 described device, it is characterised in that the processor specifically for：Whether the selection carrier wave for judging each radio block period determined in the n-th back-off period by the carrier wave selection algorithm of the setting is multiple carrier waves, if, then determine that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period, if not, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.14th, according to claim 12 described device, it is characterised in that the processor specifically for：If it is determined that the selection carrier wave of i-th of radio block period is multiple carrier waves, then judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period；And/or if it is determined that the selection carrier wave of i-th of radio block period is single carrier wave, it is determined that there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period.15th, according to claim 12 described device, it is characterised in that the processor specifically for：Judge to whether there is in all radio block periods in the n-th back-off period in addition to i-th of radio block period and select carrier wave to be the radio block period of single carrier wave by what the carrier wave selection algorithm of the setting was determined, if, then determine there is the radio block period that selection carrier wave is single carrier wave in the n-th back-off period, if not, it is determined that the radio block period that selection carrier wave is single carrier wave is not present in the n-th back-off period.16th, according to any one of claim 12-15 described device, it is characterised in that the processor specifically for：In i-th of radio block period of the n-th back-off period, indicate that the transceiver uses default single carrier wave, or receive or transmission data using any carrier wave in the selection carrier wave of i-th of radio block period.17th, according to any one of claim 12-16 described device, it is characterised in that the data transmitter-receiver set is terminal or base station.18th, a kind of computer program product, it is characterised in that including computer-readable medium, it is described can Sequence code, for performing the data transfer as described in claim any one of 1-5
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| PCT/CN2013/080983 WO2015018001A1 (en) | 2013-08-07 | 2013-08-07 | Data transmission method and device |
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| CN104521258A true CN104521258A (en) | 2015-04-15 |
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