CN109479287A - A kind of information transferring method and device - Google Patents
A kind of information transferring method and device Download PDFInfo
- Publication number
- CN109479287A CN109479287A CN201780045471.6A CN201780045471A CN109479287A CN 109479287 A CN109479287 A CN 109479287A CN 201780045471 A CN201780045471 A CN 201780045471A CN 109479287 A CN109479287 A CN 109479287A
- Authority
- CN
- China
- Prior art keywords
- time
- zadoff
- chu sequence
- domain symbols
- subsignal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of information transferring method and device, this method comprises: network side equipment obtains the first signal；The network side equipment sends first signal on first resource；Wherein, the first resource includes at least one time-domain symbol in 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames.In this way, can be to avoid the wasting of resources.
Description
The present invention relates to field of communication technology more particularly to a kind of information transferring methods and device.
Narrowband Internet of Things (Narrow Band Internet of Things, NB-IoT) it is implemented in cellular network, it at least can only consume the bandwidth of about 180KHz, global system for mobile communications (Global System for Mobile Communication can be deployed directly into, GSM) network, Universal Mobile Communication System (Universal Mobile Telecommunications System, UMTS) network or long term evolution (Long Term Evolution, LTE) network, to reduce lower deployment cost, realize smooth upgrade.NB-IoT uses authorized spectrum band, can take three kinds of deployment way such as (in-band) in band, protection band (guard-band) or Independent Carrier Wave (standalone), coexist with existing network.
In the prior art, three kinds of deployment way are in synchronization signal, such as primary synchronization signal (Primary Synchronization Signal, PSS), secondary synchronization signal (Secondary Synchronization Signal, ) and Master Information Block (Master Information Block SSS, MIB it is not distinguished in resource impact), resource impact is carried out according to band internal schema, only use rear 11 orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing of 5 work song frames, OFDM) symbol sends PSS, only use rear 11 O of 9 work song frames FDM symbol sends SSS, and rear 11 OFDM symbols for only using 0 work song frame send MIB.
Preceding 3 OFDM symbols of 5 work song frames, 0 work song frame and 9 work song frames are in idle condition under two kinds of deployment way of protection band and Independent Carrier Wave, so resulting in waste of resources.
Summary of the invention
The embodiment of the present invention provides a kind of information transferring method and device, the technical issues of to solve the wasting of resources existing in the prior art.
In a first aspect, the embodiment of the present invention provides a kind of information transferring method, this method comprises: the first signal of network side equipment；Network side equipment sends first signal on first resource；Wherein, the first resource includes at least one time-domain symbol in 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames.Because sending the first signal using idle time-domain symbol, it is on the one hand effectively utilized idling-resource, avoids the wasting of resources, the information transmission performance of system on the other hand can be improved.
Second aspect, the embodiment of the present invention provides a kind of information transferring method, this method comprises: terminal device determines first resource, wherein, the first resource includes at least one time-domain symbol in 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames.Then terminal device receives the first signal on the first resource.Because transmitting the first signal using idle time-domain symbol, it is on the one hand effectively utilized idling-resource, avoids the wasting of resources, the information transmission performance of system on the other hand can be improved.
In above-described embodiment of the application, in a possible design, the first signal includes at least one in synchronization signal and system message.In this way, the transmission performance of synchronization signal and/or system message can be promoted.
In above-described embodiment of the application, in a possible design, synchronization signal is complete synchronization signal or partial synchronization signal；And/or
The system message is complete Master Information Block or partial Master Information Block.In this way, both existing synchronization signal and/or system message can also be extended with individually designed synchronization signal and/or system message.
In above-described embodiment of the application, in a possible design, the synchronization signal is primary synchronization signal or secondary synchronization signal.In this way, the net synchronization capability of existing communication system can be promoted.
In above-described embodiment of the application, in a possible design, first signal includes at least one subsignal, and each subsignal is a Zadoff-Chu sequence, or is a Zadoff-Chu sequence and a plural product.By the design, the cross correlation of synchronization signal is preferable, available preferable net synchronization capability and reliability.
In above-described embodiment of the application, in a possible design, the corresponding Zadoff-Chu sequence of each subsignal is identical.By the design, the processing complexity of receiving side can be reduced.
In above-described embodiment of the application, in a possible design, the length of the Zadoff-Chu sequence is the integer more than or equal to 11.By the design, preferable net synchronization capability can be obtained.
In above-described embodiment of the application, in a possible design, the Zadoff-Chu sequence meets following formula:
e-jπun(n+1)/L, n=0,1 ..., L-1, wherein integer u is the radical exponent of the Zadoff-Chu sequence, and e is natural constant, and j is imaginary unit, and π is pi, and positive integer L is the length of the Zadoff-Chu sequence, and Integer n is the element number of the Zadoff-Chu sequence.By the design, the cross correlation of the first signal is preferable, it is possible to obtain preferable net synchronization capability.
In above-described embodiment of the application, in a possible design, the radical exponent of the Zadoff-Chu sequence is 5.In the case where radical exponent is 5, the cross correlation of the first signal is preferable, it is possible to obtain preferable net synchronization capability；And PSS is also the Zadoff-Chu sequence for the use of radical exponent being 5 in existing NB-IoT, and the Zadoff-Chu sequence that radical exponent 5 is continued to use in the present embodiment can reduce the processing complexity of terminal.
In above-described embodiment of the application, in a possible design, at least one described subsignal includes 3 subsignals, and 3 subsignals are carried on respectively in preceding 3 time-domain symbols of 5 work song frames of at least one radio frames.Pass through the design, because PSS is carried in rear 11 time-domain symbols of 5 work song frames of each radio frames in existing NB-IoT, the present embodiment uses preceding 3 time-domain symbols of 5 work song frames, and terminal device can be made to detect a complete 5 work song frame and obtain PSS signal, be conducive to improve net synchronization capability.
In above-described embodiment of the application, in a possible design, the plural number that the subsignal being carried in the 1st, 2,3 time-domain symbol of the 5 work song frame uses is respectively (1,1,1), (1, -1,1), (1, -1, -1), (- 1,1,1), (- 1, -1,1) or (- 1, -1, -1).By the design, the complexity of terminal device synchronizing process can reduce；And the plural number that above-mentioned plural number selection can be used with PSS in existing NB-IoT preferably combines, it can the serial correlation that PSS is kept by the scrambling code of symbol level guarantees good net synchronization capability.
The third aspect, the embodiment of the present invention provide a kind of information carrying means, the information carrying means for realizing the above method design in network side equipment behavior function, the function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one or more modules corresponding with above-mentioned function.
It include processor and transmitter in the information carrying means in a possible design, the processor is configured to network side equipment is supported to execute corresponding function in the above method.The transmitter is used to support the communication between network side equipment and terminal device, to information or instruction involved in the terminal device transmission above method.The network side equipment can also wrap
Memory is included, the memory saves the necessary program instruction of network side equipment and data for coupling with processor.
Fourth aspect, the embodiment of the present invention provide a kind of terminal device.The terminal device has the function of realizing terminal device behavior in above method design.The function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one or more modules corresponding with above-mentioned function.The module can be software and/or hardware.
In a possible design, which includes: processor and receiver.The processor is for determining first resource, and the receiver on the first resource for receiving the first signal.The terminal device can also include memory, and the memory saves the necessary program instruction of network side equipment and data for coupling with processor.
5th aspect, the embodiment of the invention provides a kind of communication systems, for including the network side equipment and terminal device in above-mentioned apparatus embodiment.
6th aspect, the embodiment of the present invention provides a kind of nonvolatile computer storage media, program code is stored on the nonvolatile computer storage media, said program code includes the instruction of the method in any possible design for realizing the first aspect into second aspect.
Fig. 1 is a kind of structure chart of communications network system provided in an embodiment of the present invention；
Fig. 2 is a kind of structure chart of communication equipment provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of the information transferring method of network side equipment side provided in an embodiment of the present invention；
Fig. 4 is a kind of flow chart of the information transferring method of terminal equipment side provided in an embodiment of the present invention；
Fig. 5 is a kind of functional block diagram of information carrying means provided in an embodiment of the present invention；
Fig. 6 is the functional block diagram of another information carrying means provided in an embodiment of the present invention.
The embodiment of the present invention provides a kind of information transferring method and device, the technical issues of to solve the wasting of resources existing in the prior art.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention is described.
A kind of information transferring method provided in an embodiment of the present invention, this method can be applied in communications network system.It please refers to shown in Fig. 1, is a kind of possible communications network system structure chart provided in an embodiment of the present invention.Structure as shown in Figure 1, the communications network system include network side equipment and multiple terminal devices.Network side equipment is the service network side apparatus of terminal device, service side network side equipment refers to that this provides wireless heterogeneous networks (Radio Resource Control by radio open agreement for terminal device, RRC) the network side equipment of connection, Non-Access Stratum (Non-Access Stratum, referred to as: NAS) services such as mobile management and safety input.Network side equipment and terminal device can be communicated by air protocol.
It should be understood that illustrating only the situation of four terminal devices (orphan terminals) and a network side equipment in communication system shown in FIG. 1, but the present invention is not limited thereto.It can also include the terminal device of other quantity in the coverage area of network side equipment.Further alternative, network side equipment and the communication system where terminal device can also include other network entities such as network controller and/or mobile management entity in Fig. 1, and the embodiment of the present invention is without limitation.
It should be understood that communications network system shown in FIG. 1 can be existing NB-IoT, it is also possible to the communication system similar with NB-IoT with system evolved, so the Internet of Things or NB-IoT mentioned in the embodiment of the present invention are this kind of systems
It is referred to as, is not limited to so-called NB-IoT in existing.
Network side equipment referred to herein, it can be GSM or CDMA (Code Division Multiple Access, CDMA base station (the Base Transceiver Station in), BTS in), base station (the English: NodeB being also possible in wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA)；Abbreviation NB), it can also be the base station etc. of evolved base station (Evolutional Node B, eNB or eNodeB) in LTE perhaps in relay station or access point or future 5G network, do not limit herein.
Terminal device referred to herein, it can be wireless terminal device and be also possible to line termination unit, wireless terminal device can be directed to user and provide voice and/or the equipment of other business datum connectivity, have the handheld device of wireless connecting function or be connected to other processing equipments of radio modem.Wireless terminal device can be through wireless access network (Radio Access Network, RAN it) is communicated with one or more core net, wireless terminal device can be mobile terminal, such as mobile phone (or be " honeycomb " phone) and the computer with mobile terminal, such as, can be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.Such as, personal communication service (Personal Communication Service, PCS) phone, wireless phone, Session initiation Protocol (Session Initiation Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL it) stands, the equipment such as personal digital assistant (Personal Digital Assistant, PDA).Wireless terminal device is referred to as system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), user equipment (User Device or User Equipment).
In addition, the terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Some English abbreviations herein are the description carried out by taking LTE system as an example to the embodiment of the present invention, may be changed with the evolution of network, and specific evolution can be with reference to the description in respective standard.
Referring next to Fig. 2, Fig. 2 is the possible structure chart of communication equipment provided in an embodiment of the present invention.The communication equipment is, for example, above-mentioned network side equipment, terminal device.As shown in Fig. 2, the communication equipment includes: processor 10, transmitter 20, receiver 30, memory 40 and antenna 50.Memory 40, transmitter 20 and receiver 30 and processor 10 can be attached by bus.Certainly, in practice, bus structures be can not be between memory 40, transmitter 20 and receiver 30 and processor 10, and can be other structures, such as hub-and-spoke configuration, the application is not especially limited.
Optionally, processor 10 specifically can be general central processing unit or application-specific integrated circuit (English: Application Specific Integrated Circuit, referred to as: ASIC), it can be one or more for controlling the integrated circuit of program execution, it can be use site programmable gate array (English: Field Programmable Gate Array, referred to as: the FPGA) hardware circuit developed, can be baseband processor.
Optionally, processor 10 may include at least one processing core.
Optionally, memory 40 may include read-only memory (English: Read Only Memory, referred to as: ROM), one of random access memory (English: Random Access Memory, abbreviation: RAM) and magnetic disk storage or a variety of.Memory 40 data and/or instruction required when being run for storage processor 10.The quantity of memory 40 can be one or more.
Optionally, together with transmitter 20 physically can also can integrate independently of each other with receiver 30.Transmitter 20 can carry out data transmission by antenna 50.Receiver 30 can carry out data receiver by antenna 50.
It please refers to shown in Fig. 3, is the flow chart of the information transferring method of network side equipment side in the present embodiment.This method includes the following contents:
Step 101: network side equipment obtains the first signal；
Step 102: network side equipment sends first signal on first resource；Wherein, first resource includes at least one time-domain symbol in 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames.
Correspondingly, the flow chart of the information transferring method of terminal equipment side as shown in figure 4, this method comprises:
Step 201: terminal device determines first resource；Wherein, first resource includes at least one time-domain symbol in 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames；
Step 202: terminal device receives the first signal on the first resource.
Optionally, the first signal may include synchronization signal and/or system message.
Optionally, synchronization signal can be PSS, be also possible to SSS.
Optionally, synchronization signal is complete synchronization signal or partial synchronization signal.For example, if synchronization signal is also possible to the PSS of part then the first signal in step 101 can be complete PSS for PSS.For another example if synchronization signal is also possible to the SSS of part then the first signal in step 101 can be complete SSS for SSS.
Optionally, the first signal may include the synchronization signal of part, such as, first signal includes the PSS and partial SSS of part, also it may include the PSS and complete SSS of part, also may include complete PSS and partial SSS, also may include complete PSS and complete SSS.
Optionally, the synchronization signal is not limited to PSS and SSS in the present invention, synchronization signal can be any, and terminal device can complete the signal of synchronizing process according to it, and synchronizing process include at least one process during time synchronization, Frequency Synchronization, radio frame number be synchronous, cell ID obtains.
It should be noted that complete synchronization signal refers to that terminal device can complete synchronizing process by parsing the first signal, the synchronization signal of part refers to that terminal device needs that synchronizing process could be completed by the first signal of parsing and other synchronization signals.
Optionally, system message includes Master Information Block and/or at least one System information block (System Information Block, SIB).
Optionally, Master Information Block is complete Master Information Block or partial Master Information Block.For example, complete Master Information Block can transmit all information that complete MIB is transmitted, and partial Master Information Block can transmit the partial information that complete MIB is transmitted.
Optionally, each SIB at least one described SIB is complete SIB or partial SIB.For example, complete SIB can transmit all information that the complete SIB is transmitted, and partial SIB can transmit the partial information that the complete SIB is transmitted.
Optionally, the first signal may include other signals, such as pages indication signal, is used to refer to the paging situation of terminal device.
Optionally, time-domain symbol is, for example, OFDM symbol.Certainly, with system evolved, it is also possible to the time-domain symbol of other titles.
Optionally, in a step 101, network side equipment sending cycle according to as defined in agreement obtains corresponding first signal, such as when current time is to send the moment in period of PSS, then obtains PSS.
Above the first signal is limited only to illustrate, in practice, the first signal is also possible to other signals, this hair
Bright embodiment is not especially limited.
Optionally, first resource is at least one time-domain symbol in 9 time-domain symbols at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and preceding 3 time-domain symbols of 9 work song frames, specifically, in a radio frame, first resource is at least one time-domain symbol in preceding 3 time-domain symbols of a subframe, such as first resource is 1 in preceding 3 time-domain symbols of 5 work song frames, 2 or 3 time-domain symbols, 1 be also possible in preceding 3 time-domain symbols of 0 work song frame, 2 or 3 time-domain symbols, 1 be also possible in preceding 3 time-domain symbols of 9 work song frames, 2 or 3 time-domain symbols.Certainly, first resource is also possible at least two time-domain symbols of preceding 3 time-domain symbols of different subframes, such as first resource is the 1st time-domain symbol of 5 work song frames and the 1st time-domain symbol of 0 work song frame, such as first resource is the 1st time-domain symbol of 0 work song frame and the 1st time-domain symbol of 9 work song frames, such as first resource is the 2nd time-domain symbol of the 1st time-domain symbol of 5 work song frames, the 1st time-domain symbol of 0 work song frame and 9 work song frames.In order to illustrate the succinct of book, other combined situations be will not enumerate.
Exemplary, 0 work song frame of at least one radio frames can be the 1st subframe in the radio frames, i.e., absolute time is near preceding subframe.Other situations in the embodiment of the present invention are similar, repeat no more.
Optionally, the time-domain symbol that occupies of the first resource in different radio frame can be different, such as, in radio frames 0, first resource is preceding 3 time-domain symbols of 0 work song frame in the radio frames and preceding 3 time-domain symbols of 5 work song frames, in radio frames 1, first resource is preceding 3 time-domain symbols of 0 work song frame, preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames and 9 work song frames in the radio frames.In above-mentioned example, the no practical significance of the number of radio frames is used only to illustrate that the time-domain symbol that occupies of the first resource in different radio frame can be different.
Optionally, 9 time-domain symbols at least one radio frames are preceding 3 time-domain symbols of 9 work song frames of preceding 3 time-domain symbols of 0 work song frame of each radio frames, preceding 3 time-domain symbols of 5 work song frames and even numbers radio frames.
Optionally, the first signal includes at least one subsignal, and each subsignal can be a Duan Xulie, which can be the element set being made of general plural number；Such as, the subsignal can be pseudo-random sequence, Zadoff-Chu sequence, Gold sequence, Kazakhstan moral code sequence, Walsh code, m-sequence, M sequence or random sequence etc., it is also possible to the deformation of above-mentioned sequence, such as cyclic shift, conjugation become sequence, are added with the product of at least one other sequence and at least one other sequence or the combination of above-mentioned multiple deformations etc..
Optionally, at least one described subsignal can be identical, be also possible to difference.At least one subsignal is identical to be referred to, any two subsignal is all the same.At least one subsignal difference refers to that there are at least two subsignals are different at least one subsignal.
Optionally, each subsignal can be carried at least one time-domain symbol.The time domain symbolic number of at least one subsignal carried can be it is identical be also possible to it is different.For example, the first signal includes 3 subsignals, each subsignal is carried in 1 time-domain symbol；Alternatively, the first signal includes 2 subsignals, first sub- signaling bearer is in 1 time-domain symbol, and second sub- signaling bearer is in 2 time-domain symbols.
Optionally, if the first signal is synchronization signal, then each subsignal can be a Zadoff-Chu sequence or each subsignal is a Zadoff-Chu sequence and a plural product.
It should be noted that a Zadoff-Chu sequence and a plural product, refer to that each element is multiplied by the plural number in Zadoff-Chu sequence, then obtain a new sequence, which is a subsignal.
Optionally, the corresponding Zadoff-Chu sequence of each subsignal is identical.For example, if each subsignal is a Zadoff-Chu sequence, then meaning that each subsignal is identical.If each subsignal is a Zadoff-Chu sequence and a plural product, then the Zadoff-Chu sequence that each subsignal uses is identical.It is corresponding in each subsignal
In the identical situation of Zadoff-Chu sequence, receiving side, such as the processing complexity of terminal device can be reduced.
Certainly, in practice, the corresponding Zadoff-Chu sequence of each subsignal is also possible to different, and the embodiment of the present invention is not especially limited.
It should be noted that two Zadoff-Chu sequences are identical, refer to that the length of two Zadoff-Chu sequences is identical, and the element on each corresponding position is also all identical, otherwise it is assumed that two Zadoff-Chu sequences are not identical.
Optionally, if the first signal is the synchronization signal of part, the for example, PSS of part, the Zadoff-Chu sequence that the Zadoff-Chu sequence at least one time-domain symbol being so carried in preceding 3 time-domain symbols of 5 work song frames can also be used with the synchronization signal in rear 11 time-domain symbols for being carried on 5 work song frames can be identical, can not also be identical.In the identical situation of the two, the new synchronization signal carried by 14 time-domain symbols is uniformly processed convenient for terminal device, reduces complexity.
Optionally, when each subsignal is a Zadoff-Chu sequence and a plural product, because of the cross correlation of symbol level scrambling code, it is ensured that the reliability of terminal device synchronizing process.
Optionally, plural number can be 1 and/or -1.In that case, the complexity of terminal device detection synchronization signal can be greatly reduced.
Optionally, the length of Zadoff-Chu sequence is the integer more than or equal to 11.For example, such as the length of Zadoff-Chu sequence is 11, then 11 elements of Zadoff-Chu sequence can be mapped in respectively on the corresponding subcarrier 0 to subcarrier 10 of a time-domain symbol.When the length of Zadoff-Chu sequence is greater than or equal to 11, the reliability of synchronizing process is higher.
In existing academic definition, it is considered that Zadoff-Chu sequence is to meet the sequence of following formula:
e-jπun(n+1+2q)/L, L therein is positive integer, indicates the length of sequence；U is positive integer, indicates the radical exponent of sequence；J is imaginary unit, and π is pi；Q is integer；N is integer, indicates that sequential element number, value 0 arrive L-1.
Optionally, the radical exponent of Zadoff-Chu sequence is 5.
Certainly, in practice, the radical exponent of Zadoff-Chu sequence can also take other values according to actual needs, and the embodiment of the present invention is simultaneously not especially limited.
In a possible example, Zadoff-Chu sequence meets following formula: e-jπun(n+1)/L, n=0,1 ..., L-1, wherein integer u is the radical exponent of the Zadoff-Chu sequence, and e is natural constant, and j is imaginary unit, and π is pi, and positive integer L is the length of the Zadoff-Chu sequence, and Integer n is the element number of the Zadoff-Chu sequence.
It should be noted that in the identical situation of the corresponding Zadoff-Chu sequence of each subsignal, the value of the corresponding u and L of each subsignal is identical.If in the formula, the value of u and L can be different in the corresponding different situation of Zadoff-Chu sequence of each subsignal.
Optionally, the first signal includes 3 subsignals, i.e., the quantity of at least one subsignal is 3, this 3 signals are carried on respectively in preceding 3 time-domain symbols of 5 work song frames of at least one radio frames.In that case, the first signal is, for example, PSS.
Optionally, the first signal includes 3 subsignals, this 3 signals are carried on respectively in preceding 3 time-domain symbols of 9 work song frames of at least one radio frames.In that case, the first signal is, for example, SSS.
Optionally, the first signal includes 3 subsignals, this 3 signals are carried on respectively in preceding 3 time-domain symbols of 0 work song frame of at least one radio frames.In that case, the first signal is, for example, MIB or SIB.
Optionally, the plural number that this 3 subsignals use is respectively (1,1,1), (1,1, -1), (1, -1,1), (1, -1, -1), (- 1,1,1), (- 1,1, -1), (- 1, -1, or (- 1, -1, -1) 1).For example, when the plural number that this 3 subsignals use is (- 1,1,1) when, the plural number that the subsignal being carried in the 1st time-domain symbol of 5 work song frames uses is -1, the plural number that the subsignal being carried in the 2nd time-domain symbol of 5 work song frames uses is 1, and the plural number that the subsignal being carried in the 3rd time-domain symbol of 5 work song frames uses is 1.In that case, the scrambling code of symbol level is 1 or -1 form, is conducive to the complexity for reducing terminal device synchronizing process.1st, the 2nd, the 3rd time-domain symbol of preceding 3 time-domain symbols of 5 work song frame mentioned herein is according to the tactic of absolute time, i.e. the 1st time-domain symbol is before the 2nd time-domain symbol, and the 2nd time-domain symbol is before the 3rd time-domain symbol.For example, the 1st time-domain symbol of the 5 work song frame refers to No. 0 symbol in narrowband Physical Network system, the 2nd time-domain symbol of the 5 work song frame refers to No. 1 symbol, and the 3rd time-domain symbol of the 5 work song frame refers to No. 2 symbols.Other situations are similar in the embodiment of the present invention, repeat no more.
Optionally, in step 201, terminal device can be provided according to agreement or preconfigured configuration information determines first resource, be also possible to determine first resource according to the instruction information that network side equipment is sent.
It can be seen from above description through the embodiment of the present invention in scheme, can rationally utilize first resource, first resource is avoided to waste.Further, if the first signal is the synchronization signal of part, then resource increases it is also possible that the length of synchronization signal increases, the net synchronization capability of narrowband Internet of Things is improved.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of information carrying means, the information carrying means includes the function for executing the network side equipment behavior in method and step shown in earlier figures 3 and/or Fig. 4, as shown in figure 5, the information carrying means includes processing unit 301 and transmission unit 302.
Wherein, processing unit 301 is for obtaining the first signal, transmission unit 302, the first signal obtained for sending processing unit 301 on first resource, wherein, the first resource includes at least one time-domain symbol in 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames.
Corresponding, in embodiment shown in fig. 5, the corresponding entity device of processing unit 301 is processor, and the corresponding entity device of sending module is transmitter.
Fig. 6 is a kind of information carrying means provided in an embodiment of the present invention, which is used to execute the function of the terminal device behavior in above method embodiment, which includes: processing unit 401, for determining first resource；Wherein, the first resource includes 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames；Receiving unit 402, for receiving the first signal on the first resource that processing unit 401 determines.
Corresponding, in embodiment shown in fig. 6, the corresponding entity device of processing unit 401 is processor, and the corresponding entity device of receiving unit 402 is receiver.
Optionally, in above-mentioned apparatus embodiment, first signal is synchronization signal and/or system message.
Optionally, in above-mentioned apparatus embodiment, the synchronization signal is complete synchronization signal or partial synchronization signal；And/or
The system message is complete Master Information Block or partial Master Information Block.
Optionally, in above-mentioned apparatus embodiment, the first signal includes at least one subsignal, and each subsignal is a Zadoff-Chu sequence, or is a Zadoff-Chu sequence and a plural product.
Optionally, in above-mentioned apparatus embodiment, the corresponding Zadoff-Chu sequence of each subsignal is identical.
Optionally, in above-mentioned apparatus embodiment, the length of the Zadoff-Chu sequence is the integer more than or equal to 11.
Optionally, in above-mentioned apparatus embodiment, the Zadoff-Chu sequence meets following formula:
e-jπun(n+1)/L, n=0,1 ..., L-1, wherein integer u is the radical exponent of the Zadoff-Chu sequence, and e is natural constant, and j is imaginary unit, and π is pi, and positive integer L is the length of the Zadoff-Chu sequence, and Integer n is the element number for the sequence that the plural number is formed.
Optionally, in above-mentioned apparatus embodiment, the radical exponent of the Zadoff-Chu sequence is 5.
Optionally, in above-mentioned apparatus embodiment, at least one described subsignal includes 3 subsignals, and 3 subsignals are carried on respectively in preceding 3 time-domain symbols of 5 work song frames of at least one radio frames.
Optionally, in above-mentioned apparatus embodiment, the plural number that the subsignal being carried in the 1st, 2,3 time-domain symbol of the 5 work song frame uses is respectively (1,1,1), (1, -1,1), (1, -1, -1), (- 1,1,1), (- 1, -1, or (- 1, -1, -1) 1).
Various change mode and specific example in information transferring method in previous embodiment are equally applicable to the communication equipment in the information carrying means and Fig. 2 of the present embodiment, pass through the aforementioned detailed description to information transferring method, those skilled in the art are clear that the implementation method of information carrying means and the communication equipment in Fig. 2 in the present embodiment, so this will not be detailed here in order to illustrate the succinct of book.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program product.Therefore, the form of complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the embodiment of the present invention.Moreover, the form for the computer program product implemented in the computer-usable storage medium (including but not limited to magnetic disk storage and optical memory etc.) that one or more wherein includes computer usable program code can be used in the embodiment of the present invention.
The application be referring to according to the method for the embodiment of the present invention, the flowchart and/or the block diagram of equipment (system) and computer program product describes.It should be understood that the combination of process and/or box in each flow and/or block and flowchart and/or the block diagram that can be realized by computer program instructions in flowchart and/or the block diagram.These computer program instructions be can provide to the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate a machine, so that generating by the instruction that computer or the processor of other programmable data processing devices execute for realizing the device for the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, to be able to guide in computer or other programmable data processing devices computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates the manufacture including command device, which realizes the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that series of operation steps are executed on a computer or other programmable device to generate computer implemented processing, thus the step of instruction executed on a computer or other programmable device is provided for realizing the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram.
Obviously, those skilled in the art can carry out various modification and variations without departing from spirit and scope to the application.If then the application is also intended to include these modifications and variations in this way, these modifications and variations of the application belong within the scope of the claim of this application and its equivalent technologies.
Claims (36)
- A kind of information transferring method characterized by comprisingNetwork side equipment obtains the first signal；The network side equipment sends first signal on first resource；Wherein, the first resource includes at least one time-domain symbol in 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames.
- The method as described in claim 1, which is characterized in that first signal includes at least one in synchronization signal and system message.
- Method according to claim 2, which is characterized in that the synchronization signal is complete synchronization signal or partial synchronization signal；And/orThe system message is complete Master Information Block or partial Master Information Block.
- Method as described in any one of claims 1 to 3 claim, which is characterized in that first signal includes at least one subsignal, and each subsignal is a Zadoff-Chu sequence, or is a Zadoff-Chu sequence and a plural product.
- Method as claimed in claim 4, which is characterized in that the corresponding Zadoff-Chu sequence of each subsignal is identical.
- Method as described in claim 4 or 5, which is characterized in that the length of the Zadoff-Chu sequence is the integer more than or equal to 11.
- Method as described in any one of claim 4 to 6 claim, which is characterized in that the Zadoff-Chu sequence meets following formula:e-jπun(n+1)/L, n=0,1 ..., L-1, wherein integer u is the radical exponent of the Zadoff-Chu sequence, and e is natural constant, and j is imaginary unit, and π is pi, and positive integer L is the length of the Zadoff-Chu sequence, and Integer n is the element number of the Zadoff-Chu sequence.
- Method as described in any one of claim 4 to 7 claim, which is characterized in that the radical exponent of the Zadoff-Chu sequence is 5.
- Method as described in any one of claim 4 to 8 claim, which is characterized in that at least one described subsignal includes 3 subsignals, and 3 subsignals are carried on respectively in preceding 3 time-domain symbols of 5 work song frames of at least one radio frames.
- Method as claimed in claim 9, which is characterized in that the plural number that the subsignal being carried in the 1st, 2,3 time-domain symbol of 5 work song frames of at least one radio frames uses is respectively (1,1,1), (1, -1,1), (1, -1, -1), (- 1,1,1), (- 1, -1,1) or (- 1, -1, -1).
- A kind of information transferring method characterized by comprisingTerminal device determines first resource, wherein, the first resource includes at least one time-domain symbol in 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames；The terminal device receives the first signal on the first resource.
- Method as claimed in claim 11, which is characterized in that first signal includes at least one subsignal, often A subsignal is a Zadoff-Chu sequence, or is a Zadoff-Chu sequence and a plural product.
- Method as claimed in claim 12, which is characterized in that at least one described subsignal includes 3 subsignals, and 3 subsignals are carried on respectively in preceding 3 time-domain symbols of 5 work song frames of at least one radio frames.
- Method as claimed in claim 13, which is characterized in that the plural number that the subsignal being carried in the 1st, 2,3 time-domain symbol of the 5 work song frame uses is respectively (1,1,1), (1, -1,1), (1, -1, -1), (- 1,1,1), (- 1, -1,1) or (- 1, -1, -1).
- Method as described in any one of claim 12 to 14 claim, which is characterized in that the corresponding Zadoff-Chu sequence of each subsignal at least one described subsignal is identical.
- Method as described in any one of claim 12 to 15 claim, which is characterized in that the Zadoff-Chu sequence meets following formula:e-jπun(n+1)/L, n=0,1 ..., L-1, wherein integer u is the radical exponent of the Zadoff-Chu sequence, and e is natural constant, and j is imaginary unit, and π is pi, and positive integer L is the length of the Zadoff-Chu sequence, and Integer n is the element number of the Zadoff-Chu sequence.
- Method as described in any one of claim 12 to 16 claim, which is characterized in that the radical exponent of the Zadoff-Chu sequence is 5.
- Method as described in any one of claim 12 to 17 claim, which is characterized in that the length of the Zadoff-Chu sequence is the integer more than or equal to 11.
- A kind of information carrying means characterized by comprisingProcessing unit, for obtaining the first signal；Transmission unit, the first signal obtained for sending the processing unit on first resource；Wherein, the first resource includes at least one time-domain symbol in 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames.
- Device as claimed in claim 19, which is characterized in that the first signal that the processing unit obtains includes at least one in synchronization signal and system message.
- Device as claimed in claim 20, which is characterized in that the synchronization signal is complete synchronization signal or partial synchronization signal；And/orThe system message is complete Master Information Block or partial Master Information Block.
- Device as described in any one of claim 19 to 21 claim, it is characterized in that, the first signal that the processing unit obtains includes at least one subsignal, and each subsignal is a Zadoff-Chu sequence, or is a Zadoff-Chu sequence and a plural product.
- Device as claimed in claim 22, which is characterized in that the corresponding Zadoff-Chu sequence of each subsignal is identical.
- Device as described in claim 22 or 23, which is characterized in that the length of the Zadoff-Chu sequence is the integer more than or equal to 11.
- Device as described in any one of claim 22 to 24 claim, which is characterized in that the Zadoff-Chu sequence meets following formula:e-jπun(n+1)/L, n=0,1 ..., L-1, wherein integer u is that the root of the Zadoff-Chu sequence refers to Number, e are natural constant, and j is imaginary unit, and π is pi, and positive integer L is the length of the Zadoff-Chu sequence, and Integer n is the element number for the sequence that the plural number is formed.
- Device as described in any one of claim 22 to 25 claim, which is characterized in that the radical exponent of the Zadoff-Chu sequence is 5.
- Device as described in any one of claim 22 to 26 claim, which is characterized in that at least one described subsignal includes 3 subsignals, and 3 subsignals are carried on respectively in preceding 3 time-domain symbols of 5 work song frames of at least one radio frames.
- Device as claimed in claim 27, which is characterized in that the plural number that the subsignal being carried in the 1st, 2,3 time-domain symbol of the 5 work song frame uses is respectively (1,1,1), (1, -1,1), (1, -1, -1), (- 1,1,1), (- 1, -1,1) or (- 1, -1, -1).
- A kind of data transmission device characterized by comprisingProcessing unit, for determining first resource；Wherein, the first resource includes 9 time-domain symbols of at least one radio frames in narrowband Internet of Things, and 9 time-domain symbols include preceding 3 time-domain symbols of preceding 3 time-domain symbols of 5 work song frames, preceding 3 time-domain symbols of 0 work song frame and 9 work song frames；Receiving unit, for receiving the first signal on the first resource that the processing unit determines.
- Device as claimed in claim 29, which is characterized in that first signal includes at least one subsignal, and each subsignal is a Zadoff-Chu sequence, or is a Zadoff-Chu sequence and a plural product.
- Device as claimed in claim 30, which is characterized in that at least one described subsignal includes 3 subsignals, and 3 subsignals are carried on respectively in preceding 3 time-domain symbols of 5 work song frames of at least one radio frames.
- Device as claimed in claim 31, which is characterized in that the plural number that the subsignal being carried in the 1st, 2,3 time-domain symbol of the 5 work song frame uses is respectively (1,1,1), (1, -1,1), (1, -1, -1), (- 1,1,1), (- 1, -1,1) or (- 1, -1, -1).
- Device as described in any one of claim 30 to 32 claim, which is characterized in that the corresponding Zadoff-Chu sequence of each subsignal at least one described subsignal is identical.
- Device as described in any one of claim 30 to 33 claim, which is characterized in that the Zadoff-Chu sequence meets following formula:e-jπun(n+1)/L, n=0,1 ..., L-1, wherein integer u is the radical exponent of the Zadoff-Chu sequence, and e is natural constant, and j is imaginary unit, and π is pi, and positive integer L is the length of the Zadoff-Chu sequence, and Integer n is the element number of the Zadoff-Chu sequence.
- Device as described in any one of claim 30 to 34 claim, which is characterized in that the radical exponent of the Zadoff-Chu sequence is 5.
- Device as described in any one of claim 30 to 35 claim, which is characterized in that the length of the Zadoff-Chu sequence is the integer more than or equal to 11.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/072703 WO2018137219A1 (en) | 2017-01-25 | 2017-01-25 | Information transmission method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109479287A true CN109479287A (en) | 2019-03-15 |
Family
ID=62978945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780045471.6A Pending CN109479287A (en) | 2017-01-25 | 2017-01-25 | A kind of information transferring method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109479287A (en) |
| WO (1) | WO2018137219A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112532556A (en) * | 2019-09-17 | 2021-03-19 | 普天信息技术有限公司 | Method and device for sending synchronization signal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015170941A1 (en) * | 2014-05-09 | 2015-11-12 | 엘지전자 주식회사 | Method for transmitting synchronization signal for direct communication between terminals in wireless communication system, and apparatus therefor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102282822B (en) * | 2009-03-11 | 2013-11-06 | 华为技术有限公司 | Method, device and system for identifying different frame structures |
| CN103379072B (en) * | 2012-04-20 | 2016-12-14 | 电信科学技术研究院 | A kind of method for transmitting signals and device |
| US10348541B2 (en) * | 2013-11-27 | 2019-07-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Sending and detecting synchronization signals and an associated information message |
-
2017
- 2017-01-25 CN CN201780045471.6A patent/CN109479287A/en active Pending
- 2017-01-25 WO PCT/CN2017/072703 patent/WO2018137219A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015170941A1 (en) * | 2014-05-09 | 2015-11-12 | 엘지전자 주식회사 | Method for transmitting synchronization signal for direct communication between terminals in wireless communication system, and apparatus therefor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112532556A (en) * | 2019-09-17 | 2021-03-19 | 普天信息技术有限公司 | Method and device for sending synchronization signal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018137219A1 (en) | 2018-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113206731B (en) | Method and communication device for transmitting reference signal | |
| EP3490316B1 (en) | Information transmission method and information transmission apparatus | |
| JP2022058774A (en) | Wireless communication method and device | |
| CN110176980A (en) | A kind of method, Wireless Communication Equipment and the communication system of data transmission | |
| CN109219130B (en) | Synchronization method and device | |
| RU2713411C1 (en) | Method and device for transmitting a pilot signal | |
| CN112188594B (en) | Method for transmitting signals, network device and terminal device | |
| CN109561433A (en) | Data channel method of sending and receiving, the network equipment and terminal | |
| WO2018202182A1 (en) | Method and apparatus for use in resource configuration | |
| CN113383593B (en) | Communication method, terminal equipment and network equipment | |
| CN107733829A (en) | A kind of method, equipment for sending and detecting synchronizing signal | |
| EP3667995B1 (en) | Synchronization signal block indication method and determining method, network device, and terminal device | |
| JP2020519201A (en) | Sync signal transmission method, sync signal reception method, and related device | |
| CN109076463A (en) | Uplink reference signals sending method, uplink reference signals method of reseptance and device | |
| JP2020503738A (en) | Information transmission method, network device and terminal device | |
| CN109479287A (en) | A kind of information transferring method and device | |
| WO2018028678A1 (en) | Method and apparatus for sending synchronization signal | |
| CN109314999A (en) | The method and apparatus for transmitting information | |
| CN105379373A (en) | Information transmission method and device | |
| JP7306568B2 (en) | Communication method | |
| AU2018422698B2 (en) | Signal sending method, signal receiving method, and apparatus | |
| CN108811106B (en) | Scheduling transmission method and device | |
| WO2020164110A1 (en) | Communication method, apparatus and system | |
| WO2020063930A1 (en) | Reference signal sending and receiving method and apparatus | |
| WO2018072180A1 (en) | Method for transmitting uplink data, network side device and terminal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190315 |
|
| RJ01 | Rejection of invention patent application after publication |