WO2018202156A1 - 通信方法和通信装置 - Google Patents
通信方法和通信装置 Download PDFInfo
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- WO2018202156A1 WO2018202156A1 PCT/CN2018/085696 CN2018085696W WO2018202156A1 WO 2018202156 A1 WO2018202156 A1 WO 2018202156A1 CN 2018085696 W CN2018085696 W CN 2018085696W WO 2018202156 A1 WO2018202156 A1 WO 2018202156A1
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- 238000000034 method Methods 0.000 title claims abstract description 167
- 238000004891 communication Methods 0.000 title claims abstract description 147
- 238000012545 processing Methods 0.000 claims abstract description 200
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- 125000004122 cyclic group Chemical group 0.000 claims description 35
- 238000003672 processing method Methods 0.000 claims description 8
- 108700010388 MIBs Proteins 0.000 claims 2
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- 238000001514 detection method Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
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Classifications
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
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- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
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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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04W72/00—Local resource management
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- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present application relates to the field of communications and, more particularly, to communication methods and communication devices in the field of communications. Background technique
- a user equipment In a long term evolution (LTE) communication system, a user equipment (UE) needs to obtain system information (SI) of the network equipment before accessing a network equipment to know how the network equipment is configured. , in order to work properly within the network device.
- SI system information
- a network device sends a master information block (MIB) to all UEs within the coverage of the network device through a physical broadcast channel (PBCH).
- the MIB information contains up to 8 bits of the system frame number (SFN) of 10 bits, which is used for time alignment between the UE and the network device.
- SFN system frame number
- the transmission time interval (T r ansmi s s i on time interval, TTI) of the PBCH is 40 ms
- the period of the PBCH is 10 ms.
- the base station repeatedly transmits PBCH 4 times in the TTI of each PBCH.
- a synchronous signal includes: a primary synchronous signal (PSS) and a secondary synchronous signal (SSS), which are combined with the PBCH.
- PSS primary synchronous signal
- SSS secondary synchronous signal
- - Forming a sync signal SS block, at least one SS block constitutes an SS segment (burst), and at least one SS burst constitutes an SS burst set (set).
- the SS burst set has a plurality of different periods.
- the period of the SS burst set can be 5 ms, 10 ms, 20 ms, 40 ms, 80 ms or 160 ms.
- the present application provides a communication method and communication apparatus capable of transmitting an SFN through a PBCH for different periods of SS burst sets.
- the application provides a communication method, the method comprising:
- the first processing block is processed by the first processing mode to obtain a first transport block, where the first processing mode is used to indicate a part of the system frame number of the wireless system frame where the first PBCH is located,
- the first MIB includes the first A remaining bit of the system frame number of the wireless system frame in which the PBCH is located, except for the bit on the partial bit; in the wireless system frame in which the first PBCH is located, the first transport block is transmitted through the first PBCH.
- the first processing mode is used to indicate a part of the system frame number of the wireless system frame where the first PBCH is located, and the first processing mode is used to implicitly indicate the wireless system where the first PBCH is located.
- the partial bit of the system frame number of the frame may be used as the partial bit of the system frame number of the wireless system frame in which the first PBCH is located, which is not limited in this embodiment.
- the present application provides a communication method and communication device capable of passing through different periods of SS burs t set
- the PBCH transmits the SFN.
- the first PBCH is sent in a first transmission time interval TTI, and the period of the first SS burs t set in the first TTI is the first one of the multiple cycles.
- the method further includes: determining a system frame number of a radio system frame in which the second PBCH to be transmitted in the second TTI is located, the second PBCH being included in the second SS burs t set, and the second SS burs t set.
- the second period of the plurality of periods is the processing of the second MIB to obtain the second transport block, where the first processing mode is used to indicate the frame of the wireless system where the second PBCH is located.
- the second MIB includes a remaining bit of the system frame number of the wireless system frame in which the second PBCH is located, except for the bit on the partial bit; the wireless system frame where the second PBCH is located
- the second transport block is transmitted through the second PBCH.
- the first processing mode is further used to indicate a bit on a partial bit in a system frame number of the radio frame where the first PBCH is located.
- the method further includes: determining a system frame number of a radio system frame in which the third PBCH to be sent in the third TTI is located, where the third PBCH is included in the third SS burs t set, and The period of the third SS burs t set is the third period of the plurality of periods; the third processing block is processed by the first processing manner to obtain a third transport block, where the first processing manner is used to indicate the first The portion of the system frame number of the wireless system frame in which the third PBCH is located, where the third MIB includes the remaining bits of the system frame number of the wireless system frame in which the third PBCH is located, except for the bits on the partial bit; The third transport block is transmitted through the third PBCH in the radio system frame in which the three PBCHs are located.
- the method further includes: determining a system frame number of a radio system frame in which the fourth PBCH to be sent in the fourth TTI is located, where the fourth PBCH is included in the fourth SS burs t set, and The fourth SS burs t set period is the fourth period of the plurality of periods; the fourth processing manner is used to process the fourth MIB to obtain a fourth transport block, where the first processing manner is used to indicate the first The portion of the system frame number of the wireless system frame in which the fourth PBCH is located, where the fourth MIB includes the remaining bits of the system frame number of the wireless system frame in which the fourth PBCH is located, except for the bits on the partial bit; The fourth transmission block is transmitted through the fourth PBCH in the radio system frame in which the four PBCHs are located.
- the method further includes: determining a system frame number of a radio system frame in which the fifth PBCH to be sent in the fifth TTI is located, where the fifth PBCH is included in the fifth SS burs t set, and The fifth SS burs t set period is the fifth period of the plurality of cycles.
- the fifth processing block is processed by the first processing manner to obtain a fifth transport block, where the first processing manner is used to indicate the first a portion of the system frame number of the wireless system frame in which the fifth PBCH is located, where the fifth MIB includes the remaining bits of the system frame number of the wireless system frame in which the fifth PBCH is located, except for the bits on the partial bit;
- the fifth transport block is transmitted through the fifth PBCH in the radio system frame in which the five PBCHs are located.
- the method further includes: determining a system frame number of a radio system frame where the sixth PBCH to be sent in the sixth TTI is located, where the sixth PBCH is included in the sixth SS burst set, and the The sixth SS burst set period is the sixth period of the plurality of periods; the sixth processing manner is performed on the sixth MIB to obtain a sixth transport block, where the first processing manner is used to indicate the sixth PBCH a portion of the system frame number of the wireless system frame, where the sixth MIB includes the remaining bits of the system frame number of the wireless system frame in which the sixth PBCH is located, except for the bits on the partial bit; in the sixth PBCH The sixth transport block is transmitted through the sixth PBCH in the wireless system frame in which it is located.
- the base station in the period of two or more different SS burst sets, does not need to separately formulate a corresponding method for transmitting the SFN for each SS burst set period, but transmits the first MIB through the first MIB.
- the remaining bits in the system frame number, and the first processing mode used for processing the first MIB implicitly indicating a part of the bits in the system frame number, can reduce the computational complexity of the base station and the UE, and reduce the UE detection. The complexity of SNF.
- the partial bits include a second last bit (eg, the second least bit) and a third last bit (eg, the third least bit).
- the partial bits include a minimum of 3 bits (eg, the least 3 bits).
- the first processing manner includes at least one of a cyclic redundancy check CRC check, a cyclic shift, and a scrambling.
- the application provides a communication method, the method comprising:
- the processing block is processed to obtain a main information block MIB, and a partial bit in the system frame number of the radio system frame in which the PBCH is located and a bit on the partial bit are obtained by the processing manner, and the MIB includes The remaining bits of the system frame number of the wireless system frame in which the PBCH is located, except for the bits on the partial bits;
- the system frame number of the wireless system frame in which the PBCH is located is determined.
- the base station in a period of two or more different SS burst sets, the base station does not need to separately formulate a corresponding method for transmitting the SFN for each SS burst set period, but blindly detects the transmission.
- the processing mode of the block obtains the partial bit and the bit on the partial bit, and obtains the MIB by using the processing manner.
- the MIB includes the remaining bits, and the wireless system frame in which the PBCH is located is obtained according to the partial bit and the remaining bit.
- the system frame number can reduce the computational complexity of the base station and the UE, and reduce the complexity of the UE detecting the SNF.
- the partial bits include a first to last bit and a third to last. In a possible implementation, the partial bits comprise a minimum of 3 bits.
- the processing manner includes at least one of a cyclic redundancy check CRC check, a cyclic shift, and a descrambling.
- the present application provides a communication device for data transmission for performing the method of any of the above first aspects or any of the possible implementations of the first aspect.
- the present application provides a communication device for data transmission for performing the method in any of the possible implementations of the second aspect or the second aspect above.
- the application provides a communication device for data transmission, the communication device comprising: a memory, processing And a computer program stored on the memory and operable on the processor, wherein the processor executes the computer program to perform the first aspect or any of the possible implementations of the first aspect Methods.
- the processor and the memory included in the device may also be implemented by using a chip.
- the present application provides a communication device for data transmission, the communication device comprising: a memory, a processor, a transceiver, and a computer program stored on the memory and operable on the processor, wherein The method of any of the possible implementations of the second aspect or the second aspect above is performed when the processor executes the computer program.
- the processor and the memory included in the device may also be implemented by using a chip.
- the present application provides a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.
- the present application provides a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the second aspect or any of the possible implementations of the second aspect.
- the present application provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of the first aspect or the first aspect of the first aspect.
- the present application provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
- FIG. 1 is a schematic structural diagram of a wireless communication system provided by an embodiment of the present application.
- FIG. 1 is a schematic flowchart of a communication method provided by an embodiment of the present application.
- FIG. 3 is a schematic flowchart of another communication method provided by an embodiment of the present application.
- FIG. 5 is a schematic diagram of an SS burst included in each wireless system frame included in a period of an SS burst set provided by an embodiment of the present application;
- FIG. 6 is a schematic block diagram of a communication device for data transmission provided by an embodiment of the present application.
- FIG. 7 is a schematic block diagram of another communication device for data transmission according to an embodiment of the present application.
- FIG. 8 is a schematic block diagram of still another communication device for data transmission according to an embodiment of the present application.
- FIG. 9 is a schematic block diagram of still another communication device for data transmission provided by an embodiment of the present application. Detailed ways
- FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
- the wireless communication system 100 can include at least one network device, and the network device 110 is illustrated in FIG. 1, which can provide communication coverage for a particular geographic area and can communicate with terminal devices located within the coverage area.
- the network device 110 may be a base transceiver station (BTS) in a GSM system or a CDMA system, or may be a network device (nodeB, NB) in a WCDMA system, or may be an evolved network device in an LTE system ( Evolved node B, eNB or eNodeB), or a wireless controller in a cloud radio access network (CRAN).
- BTS base transceiver station
- NB network device
- LTE Long Term Evolution
- eNB evolved node B
- CRAN cloud radio access network
- the network device may also be a core network, a relay station, an access point, an in-vehicle device, a wearable device, a network side device in a future 5G network, or a network device in a public land mobile network (PLMN) in a future evolution. Wait.
- the wireless communication system 100 also includes at least one terminal device located within the coverage of the network device 110, and the user device 120 and the user device 130 are shown in FIG.
- FIG. 1 exemplarily shows a network device and two terminal devices.
- the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.
- the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like. The embodiment of the present application is not limited thereto.
- UE user equipment
- the UE may be mobile or fixed.
- the UE may refer to a terminal device, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent or a user communication device, and the like.
- the UE can be a cellular phone, a wireless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), and a wireless communication function.
- FIG. 1 is a schematic flowchart of a communication method 200 provided by an embodiment of the present application.
- the method 200 can be applied to the wireless communication system as shown in FIG. 1.
- the network device can be a base station, for example, a cell in the base station, but the embodiment of the present application does not limit this.
- S210 Determine a system frame number of a radio system frame where the first PBCH is to be sent, where the first PBCH is included in the first synchronization signal segment set SS burst set, and the period of the first SS burst set is multiple Any of the cycles.
- the synchronization signals include: PSS and SSS, which together with the PBCH constitute a
- At least one SS block constitutes an SS burst, and at least one SS burst constitutes an SS burst set;
- one PSS, one SSS, and two PBCHs can form one SS Block, four SS blocks can form one SS burst, and two SS burs can form an SS burst set.
- the base station and the UE can configure a plurality of SS burst set periods, for example, 5 ms, 10 ms,
- the period of the SS burst set in the same TTI is one, but the embodiment of the present application is not limited thereto.
- the first primary information block MIB is processed by the first processing manner to obtain a first transport block, where the first processing manner is used to indicate a partial bit of a system frame number of the wireless system frame where the first PBCH is located. And the first MIB includes remaining bits of the system frame number of the wireless system frame where the first PBCH is located, except for the bits on the partial bits.
- system frame number of the wireless system frame may be represented by consecutive N bits, each bit may be 0 or 1, and the position of each bit in the N bits is called a bit, and the value of the system frame number is It can be cycled from 0 ⁇ 2 N.
- the system frame number 0000000010 indicates the radio system frame 2, where the bit on the ninth bit is 1, which can be understood as the ninth bit being 1.
- the first processing mode used by the base station may include at least one of a CRC check, a cyclic shift, and a scrambling. It should be understood that this first processing mode is used to indicate a partial bit.
- the UE may agree with the base station that the first processing mode is scrambling, and the part of the bit that is implicitly indicated by the scrambling; or the base station may indicate, by using the high layer signaling, that the first processing mode of the UE is scrambling , and through
- the portion of the bit that is implicitly indicated by the scrambling mode is not limited in this embodiment of the present application.
- the base station may obtain the first transport block by scrambling the first MIB, and the scrambling mode is used to implicitly indicate the partial bit.
- the scrambling uses the pseudo-random sequence generated by the initialization seed and the information bits (the remaining bits in the system frame number of the radio system frame in which the first PBCH is located) to perform bit-wise exclusive OR operation (or multiplication) for scrambling.
- the initialization seed is used to implicitly indicate a partial bit of the system frame number of the wireless system frame in which the first PBCH is located; or, the scrambling uses the pseudo-random sequence generated by the same initialization seed into multiple segments, and passes the multi-segment pseudo- The random sequence performs power interference on the information bits.
- the UE may agree with the base station that the first processing mode is a CRC check, and the partial bit that is implicitly indicated by the CRC check, or the base station may indicate, by using the high layer signaling, that the first processing mode of the UE is The CRC check, and the partial bit indicated by the CRC check, are not limited in this embodiment.
- the base station may add a CRC check bit to the first bit segment in the first MIB by using a CRC mask, and then perform coding to obtain the first transport block, where the CRC mask is used to implicitly indicate the part of the bit. Bit.
- CRC ma s k can be used to generate different CRC check bits for the first M I B , that is, a CRC ma s k can uniquely generate a CRC check bit. It should also be understood that for different bits of information, there is a unique CRC mask corresponding to it.
- the partial bit may be implicitly indicated by CRC mask 0 or implicitly indicated by CRC mask 1.
- the initial sequence ⁇ 'J & ; of the N-bit CRC register of the cyclic redundancy check (CRC) check bit is generated. ; is also expressed as CRC mask (mask), information bits ⁇ b. , ..., b n > (that is, the bits included in the first bit segment) can be generated by inputting into the register to generate a CRC check bit.
- the CRC check bits are placed after the original information bits to form a complete MIB message, and the base station further repeats and encodes the complete MIB information to obtain the first transport block.
- the UE and the base station may specify, by using a protocol, that the first processing mode is a cyclic shift, and the partial bit of the implicit indication is cyclically shifted, or the base station may indicate, by using the high layer signaling, that the first processing mode of the UE is
- the cyclic shift, and the partial bit implied by the cyclic shift are not limited in this embodiment of the present application.
- the first processing mode may be a cyclic shift
- the base station may perform a pre-coding cyclic shift or a post-encoding cyclic shift on the first bit segment in the first MIB to obtain the first transport block.
- the cyclic shift length is used to implicitly indicate the partial bit.
- cyclic shifts there are two types of cyclic shifts, one is to cyclically shift the information bits before encoding, and the other is to cyclically shift the information bits after encoding.
- the data to be cyclically shifted is 10010011.
- each length is 1 bit (that is, divided into 10, 01, 00, 11), and the data is cyclically shifted.
- 1 bit (that is, the length of the cyclic shift is 1 bit) can be obtained after 11100100 (that is, the last one of 10010011 is shifted from the last cycle to the front), and the data is cyclically shifted by 2 copies (the length of the cyclic shift is 4) Bits can be followed by 00111001, and the data is cyclically shifted by 3 copies (ie, the length of the cyclic shift is 6 bits) to obtain 01001110.
- the first processing manner may include CRC checksum scrambling, or the first processing manner may include cyclic shift and scrambling, or may include CRC checksum cyclic shift, or the first processing manner
- the CRC check, the cyclic shift, and the scrambling may be included in the embodiment of the present application.
- the base station may perform cyclic coding on the remaining bits in the first MIB, and then perform coding, The encoded first MIB is scrambled to obtain the first transport block, and the cyclic shift length and the scrambling mode are used together to implicitly indicate a partial bit.
- S230 Send the first transmission block by using the first PBCH in a radio system frame where the first PBCH is located.
- the UE in the coverage of the base station acquires a first transport block that is sent by the network device by using the first PBCH, where the first PBCH is included in the first synchronization signal segment set SS bur stset, and the first SS bur stset
- the period is any of a variety of cycles.
- the base station may further determine a system frame number of a radio system frame in which the second PBCH is to be sent in the second TT I, the second PBCH is included in the second SS bur stset, and the period of the second SS bur st se t is the multiple cycles
- the second period of the system is processed by the first processing mode to obtain a second transport block, where the first processing mode is used to indicate the part of the system frame number of the wireless system frame where the second PBCH is located.
- the second MIB includes the remaining bits of the system frame number of the wireless system frame in which the second PBCH is located, except for the bits on the partial bits; the wireless system frame where the second PBCH is located
- the second transport block is transmitted through the second PBCH.
- system frame number of the radio system frame in which the first PBCH is located may be the same as or different from the system frame number of the radio system frame in which the second PBCH is located, which is not limited in this embodiment of the present application.
- the system frame number of the radio system frame in which the PBCH is located is transmitted in a unified processing manner.
- the UE processes the first transport block by using a first processing manner to obtain a first primary information block MIB, and obtains, by using the first processing manner, a system frame of a wireless system frame where the first PBCH is located. a partial bit in the number and a bit on the partial bit, the first MIB including the remaining bits of the system frame number of the wireless system frame in which the first PBCH is located, except for the bits on the partial bit.
- the first processing mode used by the UE corresponds to the first processing mode used by the base station, that is, the first processing mode used by the UE and the first processing mode used by the base station are mutually reversed processes.
- some of the bits in the embodiment of the present application may be the second last bit and the third last bit.
- the base station may process the first MIB by using the first processing manner to obtain a first transport block, where the first processing mode is used to implicitly indicate a system of the wireless system frame.
- a partial bit in the frame number ie, the first bit of the last digit and the third bit of the last number
- the first MIB containing the remaining bits of the system frame number of the wireless system frame except the bits on the partial bit ( That is, up to 7 bits and a minimum of 1 bit).
- the highest 7 bits of the system frame number of the wireless system frame (eg, the highes t 7 bi ts of SFN) and the minimum 1 bit (eg, the leas t bi t of SFN) indicate the UE in the PBCH
- the wireless system frame The reciprocal 1st bit and the reciprocal 3rd bit of the system frame number (eg, the 2nd and 3rd leas t bi ts of SFN) implicitly indicate the UE by the first processing mode of decoding the PBCH.
- the bits on the partial bits are collectively referred to as partial bits in the embodiment of the present application, and the bits other than the partial bits in the system frame number are collectively referred to as remaining bits.
- the period for different SS burs t sets will be described in detail below with reference to FIG. 5.
- the base station uses the same processing mode (implicitly indicating the first and last digits of the last bit by the first processing mode) to transmit through the PBCH. SFN method.
- FIG 3 shows the 6 TTIs of the PBCH (such as TTI 1, TTI 1, TTI 3, TTI 4, TTI 5 and TTI 6 as shown in Figure 3), each TTI is 80 ms in length, and each TTI includes 8 radio system frames (such as radio system frame 0_radio system frame 7 shown in Figure 3), the base station has a period of 5 ms for SS burs t set in TTI 1, and the period of SS burs t set is 10 ms in TTI 2
- the period of SS burs t set in TTI 3 is 20 ms
- the period of SS burs t set in TTI 4 is 40 ms
- the period of SS burs t set in TTI 5 is 80 ms
- the period of SS burs t set in TTI 6 It is 160ms.
- TTI 1, TTI 1, TTI 3, TTI 4, TTI 5, and TTI 6 in the embodiments of the present application are all TTIs of any one of the PBCHs, and the base station uses different SS burs t sets to pass the PBCH in each TTI.
- the SFN is transmitted.
- the sequence number of the TTI is only used to distinguish the TTIs that use the different SS burs t set periods to transmit the SNF.
- the sequence of the TTI 1 - TTI 6 is not limited in this embodiment.
- each TTI includes 8 radio system frames
- the following describes the method of transmitting SFN through PBCH under different SS burs t set periods.
- the period of the SS burs t set is 10 ms, and the base station transmits the system frame number of the radio system frame by transmitting the PBCH in the radio system frame 0 to the radio system frame 7, respectively.
- the system frame number of the wireless system frame 0 is 0000000000
- the system frame number of the wireless system frame 1 is 0000000001
- the system frame number of the wireless system frame 1 is 00000000010
- the system frame number of the wireless system frame 3 is 000001001
- the wireless system frame 4 The system frame number of the system frame number is 0000000100
- the system frame number of the wireless system frame 5 is 0000000101
- the system frame number of the wireless system frame 6 is 0000000110
- the system frame number of the wireless system frame 7 is 0000000111.
- the base station passes the first The remaining bits in the MIB transmission system frame number (minimum 1 bit and up to 7 bits) to ensure that the first MIB transmitted in each frame of the wireless system is the same, and the first processing mode is used to implicitly indicate the system frame number. Partial bits (the last 2nd bit and the last 3rd bit).
- the base station passes the second The remaining bits in the frame number of the MIB transmission system (minimum 1 bit and up to 7 bits) to ensure that the second MIB transmitted in each frame of the wireless system is the same, and the first processing mode is used to implicitly indicate the system frame number. Partial bits (the last 2nd bit and the last 3rd bit).
- the base station may separately process the first MIB by using different processing manners to obtain a transport block corresponding to each processing mode (transport block 0, transport block 2, and transport as described in FIG. 3).
- Block 4 and transport block 6 wherein the first MIB contains the remaining bits in the system frame number (up to 7 bits and a minimum of 1 bit, and the minimum 1 bit is 0), and the processing mode is used to implicitly indicate the system frame Some bits in the number (the last 2nd bit and the last 3rd bit).
- the base station may separately process the second MIB by using different processing manners to obtain a transport block corresponding to each processing mode (transport block 1, transport block 3, transport block 5, and transport block 7 as described in FIG. 3), wherein the second MIB contains the remaining bits in the system frame number (up to 7) The bit and the minimum 1 bit, and the minimum 1 bit is 1), the processing mode is used to implicitly indicate part of the system frame number (the last 2nd bit and the last 3rd bit).
- the base station may be based on a minimum of 1 bit of the system frame number transmitted by the first MIB, a minimum 1 bit of the system frame number transmitted by the second MIB, and a reciprocal of the system frame number implicitly indicated by the first processing mode.
- the second bit and the third last bit determine the minimum 3 bits of the system frame number of the wireless system frame, and the minimum 3 bits of the system frame number of the wireless system frame and the transmissions transmitted within the frame of the wireless system The mapping relationship of the block.
- the minimum 3 bits of the system frame number of the radio system frame 0 is 000, corresponding to the transport block 0; the minimum 3 bits of the system frame number of the radio system frame 1 is 001, corresponding to the transport block 1; the radio system frame 1
- the minimum 3 bits of the system frame number are 010, corresponding to transport block 2; the minimum 3 bits of the system frame number of the radio system frame 3 are 011, corresponding to transport block 3; the system frame number of the radio system frame 4
- the base station transmits the transport block 0 through the PBCH in the radio system frame 0; in the radio system frame 1, the transport block 1 is transmitted through the PBCH; in the radio system frame 1, the transport block 2 is transmitted through the PBCH; in the radio system frame 3 In the radio system frame 4, the transport block 4 is transmitted through the PBCH; in the radio system frame 5, the transport block 5 is transmitted through the PBCH; in the radio system frame 6, the transport block 6 is transmitted through the PBCH. In the radio system frame 7, the transport block 7 is transmitted through the PBCH.
- the period of the SS burst set is 20 ms, and the base station transmits the SFN through the PBCH in the radio system frame 0, the radio system frame 2, the radio system frame 4, and the radio system frame 6, respectively.
- the base station may implicitly indicate the last 2nd bit and the third last bit of the system frame number according to the minimum 1 bit of the system frame number transmitted by the first MIB and the different manners included in the first processing manner. Determining a minimum of 3 bits of the system frame number of the wireless system frame, and a mapping relationship between a minimum of 3 bits of the system frame number of the wireless system frame and a transport block transmitted within the frame of the wireless system.
- the minimum 3 bits of the system frame number of the radio system frame 0 is 000, corresponding to the transport block 0; the minimum 3 bits of the system frame number of the radio system frame 1 is 010, corresponding to the transport block 2; the radio system frame 4
- the minimum 3 bits of the system frame number are 100, corresponding to transport block 4; the minimum 3 bits of the system frame number of the radio system frame 6 are 110, corresponding to transport block 6.
- the base station transmits the transport block 0 through the PBCH in the radio system frame 0; in the radio system frame 1, the transport block 2 is transmitted through the PBCH; in the radio system frame 4, the transport block 4 is transmitted through the PBCH; in the radio system frame 6 Inside, the transport block 6 is transmitted through the PBCH.
- the method of transmitting the SFN through the PBCH in the radio system frame 0, the radio frame 2, the radio system frame 4, and the radio system frame 6 and the SS burst set period is 10 ms, in the wireless
- the method of transmitting the SFN through the PBCH in the system frame 0, the radio frame 2, the radio system frame 4, and the radio system frame 6 is the same.
- the period of the SS burst set is the first period (for example, 10 ms)
- the system frame number of the radio system frame in which the first PBCH is located is 0011010 1 (that is, the radio system frame 1 in the TTI 2)
- the base station Processing the first MIB by using the first processing manner to obtain a first transport block, where the first processing manner is used to indicate the first PBCH
- the second and third digits of the system frame number of the wireless system frame in which it is located (the two bits shown in the underline), and the first MIB includes the system of the wireless system frame in which the first PBCH is located. 00110101 in the frame number (up to 7 bits and a minimum of 1 bit).
- the period of the SS burs t set is the second period (for example, 20 ms), and if the system frame number of the radio system frame in which the second PBCH is located is 0110110 1 (that is, the radio system frame 1 in the TTI 3)
- the base station processes the second MIB by using the second processing manner to obtain a second transport block, where the second processing mode is used to indicate the second and last digits of the system frame number of the wireless system frame where the second PBCH is located.
- the second MIB contains 01101101 (up to 7 bits and a minimum of 1 bit) in the system frame number of the wireless system frame in which the second PBCH is located; If the system frame number of the radio system frame where the second PBCH is located is 0110110 0 (that is, the radio system frame 2 in the TTI 3), the base station processes the second MIB by using the second processing manner to obtain a second transport block, where the second transport block is obtained.
- the second processing mode is used to indicate the second and third digits of the system frame number of the wireless system frame in which the second PBCH is located (the two bits shown in the following line), and the second MIB includes The 01101100 (up to 7 bits and a minimum of 1 bit) in the system frame number of the wireless system frame in which the second PBCH is located.
- the SFN can be transmitted through the PBCH in a unified manner, which can reduce the complexity of the base station and the UE.
- the period of the SS burs t set is 40 ms, and the base station transmits the SFN through the PBCH in the radio system frame 0 and the radio system frame 4, respectively.
- the base station may implicitly indicate the first 1st bit and the third last bit of the system frame number according to the minimum 1 bit of the system frame number transmitted by the first MIB and the different manners included in the first processing manner. Determining a minimum of 3 bits of the system frame number of the wireless system frame, and a mapping relationship between a minimum of 3 bits of the system frame number of the wireless system frame and a transport block transmitted within the frame of the wireless system.
- the minimum 3 bits of the system frame number of the radio system frame 0 is 000, corresponding to transport block 0; the minimum 3 bits of the system frame number of the radio system frame 4 are 100, corresponding to transport block 4.
- the base station transmits the transport block 0 through the PBCH in the radio system frame 0; in the radio system frame 4,
- the PBCH transmits the transport block 4.
- the method of transmitting the SFN through the PBCH in the radio system frame 0 and the radio system frame 4 and the period of the SS burs t set are 10 ms, in the radio system frame 0 and the radio system frame.
- the method of transmitting the SFN through the PBCH is the same in 4, and in order to avoid repetition, the complex is not described here.
- the period of SS burs t set is 80ms, and the base station transmits SFN through PBCH in frame 0 of the wireless system.
- the base station may implicitly indicate the last 2nd bit and the third last bit of the system frame number according to the minimum 1 bit of the system frame number transmitted by the first MIB and the different manners included in the first processing manner. Determining a minimum of 3 bits of the system frame number of the wireless system frame, and a mapping relationship between a minimum of 3 bits of the system frame number of the wireless system frame and a transport block transmitted within the frame of the wireless system.
- the minimum 3 bits of the system frame number of frame 0 of the wireless system is 000, corresponding to transport block 0.
- the base station transmits a transport block 0 through the PBCH in the radio system frame 0.
- the base station transmits the SFN through the PBCH in the radio system frame 0, and transmits the next SFN through the PBCH in another TTI separated by one TTI after the TTI 6 .
- the base station may implicitly indicate the last 2nd bit and the third last bit of the system frame number according to the minimum 1 bit of the system frame number transmitted by the first MIB and the different manners included in the first processing manner. Determining a minimum of 3 bits of the system frame number of the wireless system frame, and a mapping relationship between a minimum of 3 bits of the system frame number of the wireless system frame and a transport block transmitted within the frame of the wireless system.
- the minimum 3 bits of the system frame number of frame 0 of the wireless system is 000, corresponding to transport block 0.
- the base station transmits a transport block 0 through the PBCH in the radio system frame 0.
- TTI 1 the period of SS burs t set is 5ms, and the base station is in the wireless system frame 0 to the wireless system frame.
- the 7 transmits the SFN through the PBCH, and transmits SS b lock twice in each wireless system frame, that is, SS b lock is transmitted in the first half frame and the second half frame respectively, wherein the SS b lock and the second half frame transmitted in the first half frame
- the transmitted SS b lock may both contain PBCH, or only one SS b lock may contain PBCH. Since both the first half frame and the second half frame are located in the same wireless system frame, the SFN in the SS b lock transmitted in the first half frame is the same as the SFN in the SS b lock transmitted in the second half frame.
- the method of transmitting SFN through PBCH in the radio system frame 0_radio system frame 7 and the period of SS burs t set are 10 ms, in the wireless system frame 0_wireless system frame
- the method of transmitting the SFN through the PBCH is the same in the 7th. To avoid repetition, the details are not described here.
- the base station can be configured with multiple SS burs t set periods, that is, different SS burs t set periods are used in different TTIs, and the periods of the multiple SS burs t sets can be, for example, 5 ms, 10 ms, 20 ms. Any two or more SS burs t set periods of 40 ms, 80 ms, and 160 ms are not limited in this embodiment of the present application.
- the base station does not need to separately formulate a corresponding method for transmitting the SFN for each SS burs t set period under the period of two or more different SS burs t sets, but by using the first method.
- the highest 7 bits and the smallest 1 bit in the MIB transmission system frame number, and the first processing mode for processing the first MIB implicitly indicates the second to last bit and the last number in the system frame number With 3 bits, the computational complexity of the base station and the UE can be reduced, and the complexity of detecting the SNF by the UE can be reduced.
- the first processing mode may indicate a partial bit and a bit on a partial bit.
- the period of the SS burs t set is 10 ms, and the base station transmits the radio system frame by transmitting the PBCH in the radio system frame 0 to the radio system frame 7 respectively. Frame number.
- the system frame number of the wireless system frame 0 is 0000000000
- the system frame number of the wireless system frame 1 is 0000000001
- the system frame number of the wireless system frame 1 is 00000000010
- the system frame number of the wireless system frame 3 is 000001001
- the wireless system frame 4 The system frame number of the system frame number is 0000000100
- the system frame number of the wireless system frame 5 is 0000000101
- the system frame number of the wireless system frame 6 is 0000000110
- the system frame number of the wireless system frame 7 is 0000000111.
- the base station passes the first The remaining bits in the MIB transmission system frame number (minimum 1 bit and up to 7 bits) to ensure that the first MIB transmitted in each frame of the wireless system is the same, and the first processing mode is used to implicitly indicate the system frame number. Partial bit (the last bit of the last bit and pour Number 3 bit).
- the base station passes the second The remaining bits in the frame number of the MIB transmission system (minimum 1 bit and up to 7 bits) to ensure that the second MIB transmitted in each frame of the wireless system is the same, and the first processing mode is used to implicitly indicate the system frame number. Partial bits (the last 2nd bit and the last 3rd bit).
- the base station may separately process the first MIB by using four different processing manners to obtain a transport block corresponding to each processing manner (such as transport block 0 and transport block 2 as described in FIG. 3). a transport block 4 and a transport block 6), wherein the first MIB carries the remaining bits in the system frame number (up to 7 bits and a minimum of 1 bit, and the minimum 1 bit is 0), and the processing mode is used for implicit indication Part of the bits in the system frame number (the first bit from the last and the third from the bottom).
- the processing mode 0 used by the transport block 0 implicitly indicates that the partial bit is 00
- the processing mode 1 used by the transport block 1 implicitly indicates that the partial bit is 01
- the processing mode 4 used by the transport block 4 is implied.
- the processing mode 6 for indicating that the partial bit is 10 and is used by the transport block 6 implicitly indicates that the partial bit is 11.
- the base station may separately process the second MIB by using four different processing manners to obtain a transport block corresponding to each processing manner (such as transport block 1 and transport block 3 as described in FIG. 3).
- a transport block 5 and a transport block 7 wherein the second MIB carries the remaining bits in the system frame number (up to 7 bits and a minimum of 1 bit, and the minimum 1 bit is 1), and the processing mode is used for implicit indication Part of the bits in the system frame number (the first bit from the last and the third from the bottom).
- the processing mode 1 used by the transport block 1 implicitly indicates that the partial bit is 00
- the processing mode 3 used by the transport block 3 implicitly indicates that the partial bit is 01
- the processing mode 5 used by the transport block 5 is implicit.
- the processing mode 7 indicated by the transmission block 7 implicitly indicates that the partial bit is 10, and the partial bit is 11.
- the processing modes used by the transport block 0 and the transport block 1 both imply that the partial bit indicating the system frame number is 00
- the processing mode 0 and the transport block 1 used by the transport block 0 are used.
- the processing method 1 can be the same.
- the processing mode 1 used in the transport block 1 and the processing mode 3 used in the transport block 3 can be the same, and the processing mode 4 and the transport block 5 used in the transport block 4 are the same.
- the processing method 5 used can be the same, and the processing method 6 used in the transport block 6 and the processing method 7 used in the transport block 7 can be the same.
- the base station may scramble the first MIB by using the scrambling mode 1 to obtain the transport block 0, and scramble the second MI B by using the scrambling mode 1 to obtain the transport block 1
- the scrambling mode 1 is used to implicitly indicate that the partial bit is 00; the first MIB is scrambled by the scrambling mode 1 to obtain the transport block 2, and the second MIB is scrambled by the scrambling mode 2 to obtain the transmission.
- Block 3 wherein the scrambling mode 2 is used to implicitly indicate that the partial bit is 01; the first MI B is scrambled by the scrambling mode 3 to obtain the transport block 4, and the scrambling mode 3 is used to perform the second MI B
- the scrambling is performed to obtain the transport block 5, wherein the scrambling mode 3 is used to implicitly indicate that the partial bit is 10; the first MI B is scrambled by the scrambling mode 4, and the transport block 6 is obtained, and the scrambling mode is used to
- the second MI B performs scrambling to obtain a transport block 7, wherein the scrambling scrambling mode 4 is used to implicitly indicate that the partial bit is 11.
- the base station processes the first MIB through the four processing methods to obtain the transport block 0, the transport block 2, the transport block 4, and the transport block 6, and processes the second MIB through the same four processing methods to obtain the transport block 1, and transmits the data.
- Block 3, transport block 5 and transport block 7 reduce the complexity of base station calculations.
- Block 0 uses processing mode 0, it can determine that part of the bit is 00; if it is detected that the transport block uses processing mode 2, it can determine that part of the bit is 01; if the transport block is detected, the processing mode 4 is used. It can be determined that the partial bit is 10, and if the processing block 6 is detected, the partial bit is determined to be 11, which reduces the complexity of the UE detection.
- the base station may implicitly indicate the last number of the system frame number according to the minimum 1 bit of the system frame number transmitted by the first MIB, the minimum 1 bit of the system frame number transmitted by the second MIB, and the first processing mode. Two bits and a third last bit, determining a minimum of 3 bits of the system frame number of the wireless system frame, and a minimum of 3 bits of the system frame number of the wireless system frame and a transport block transmitted within the frame of the wireless system Mapping relationship.
- the minimum 3 bits 000 of the system frame number of frame 0 of the wireless system correspond to transport block 0; the minimum 3 bits of the system frame number of frame 1 of the wireless system are 001, corresponding to transport block 1;
- the minimum 3 bits of the system frame number is 010, corresponding to transport block 2; the minimum 3 bits of the system frame number of the wireless system frame 3 is 011, corresponding to transport block 3;
- the minimum system 3 of the wireless system frame 4 is 3
- the bits are 100, corresponding to transport block 4;
- the minimum 3 bits of the system frame number of the radio system frame 5 are 101, corresponding to transport block 5;
- the minimum 3 bits of the system frame number of the radio system frame 6 are 110 Corresponding to the transport block 6;
- the minimum 3 bits of the system frame number of the radio system frame 7 is 111, corresponding to transport block 0.
- the base station transmits the transport block 0 through the PBCH in the radio system frame 0; in the radio system frame 1, the transport block 1 is transmitted through the PBCH; in the radio system frame 1, the transport block 2 is transmitted through the PBCH; in the radio system frame 3 In the radio system frame 4, the transport block 4 is transmitted through the PBCH; in the radio system frame 5, the transport block 5 is transmitted through the PBCH; in the radio system frame 6, the transport block 6 is transmitted through the PBCH. In the radio system frame 7, the transport block 7 is transmitted through the PBCH.
- some of the bits in the embodiment of the present application may be a minimum of three bits.
- the base station may process the first MIB by using the first processing manner to obtain a first transport block, where the first processing mode is used to implicitly indicate a system of the wireless system frame.
- a partial bit in the frame number i.e., a minimum of 3 bits
- the first MIB containing the remaining bits of the system frame number of the wireless system frame except the bits on the partial bit (i.e., up to 7 bits).
- the highest 7 bits of the system frame number of the wireless system frame (eg, the highest 7 bits of SFN) indicate in the PBCH the minimum 3 bits of the system frame number of the wireless system frame (eg, the least 3 bits of SFN)
- the UE is implicitly indicated by the first processing mode of decoding the PBCH.
- bits on some of the bits in the embodiment of the present application are collectively referred to as partial bits, and the bits other than the partial bits in the system frame number are collectively referred to as remaining bits.
- the method for transmitting the SFN through the PBCH in the same processing mode (the first 3 ways to implicitly indicate the minimum 3 bits in the system frame number) is described in detail below with reference to FIG. 4 for the period of the different SS burst sets.
- each TTI has a length of 80 ms, and each TTI includes 8 radio system frames (such as radio system frame 0_radio system frame 7 shown in Figure 4), the base station SS burst set period in TTI 1 is 5ms, and the SS burst set period in TTI 2 is 10ms.
- the period of the SS burst set in TTI 3 is 20 ms
- the period of SS burst set in TTI 4 is 40 ms
- the period of SS burst set in TTI 5 is 80 ms
- the period of SS burst set in TTI 6 is 160 ms.
- TTI 1, ⁇ 2, ⁇ 3, ⁇ 4, ⁇ 5, and ⁇ 6 in the embodiment of the present application are all P of any PBCH, and the base station uses different SS burs t set through each PBCH in each ⁇
- the SFN is transmitted.
- the sequence number of the TTI is only used to distinguish the TTIs that use the different SS burs t set periods to transmit the SNF.
- the sequence of the TTI 1 - TTI 6 is not limited in this embodiment.
- each TTI includes 8 radio system frames
- the system frame number n f satisfies n f mod within each TTI.
- the following describes the method of transmitting SFN through PBCH under different SS burs t set periods.
- the period of the SS burs t set is 10 ms, and the base station transmits the system frame number of the radio system frame by transmitting the PBCH in the radio system frame 0 to the radio system frame 7, respectively.
- the system frame number of the wireless system frame 0 is 0000000000
- the system frame number of the wireless system frame 1 is
- the system frame number of the wireless system frame 1 is 00000000010
- the system frame number of the wireless system frame 3 is 000001001
- the system frame number of the wireless system frame 4 is 0000000100
- the system frame number of the wireless system frame 5 is 0000000101
- the wireless system frame 6 The system frame number is 0000000110
- the system frame number of the wireless system frame 7 is 000001111.
- the base station transmits the remaining bits (up to 7 bits) in the system frame number through the first MIB to ensure each wireless system frame.
- the first MIB transmitted is the same, and the first processing mode is used to implicitly indicate a part of the system frame number (minimum 3 bits).
- the base station may separately process the first MIB by using eight different processing manners to obtain a transport block corresponding to each processing mode (transport block 0_transport block 7 as described in FIG. 4).
- the first MIB contains the remaining bits (up to 7 bits) in the system frame number, and the processing mode is used to implicitly indicate part of the system frame number (minimum 3 bits).
- the base station may determine, according to a minimum of three bits of the system frame number implicitly indicated by the first processing mode, a minimum of three bits of the system frame number of the wireless system frame and a transmission transmitted in the frame of the wireless system.
- the mapping relationship of the block may be determined, according to a minimum of three bits of the system frame number implicitly indicated by the first processing mode, a minimum of three bits of the system frame number of the wireless system frame and a transmission transmitted in the frame of the wireless system. The mapping relationship of the block.
- the minimum 3 bits of the system frame number of the radio system frame 0 is 000, corresponding to the transport block 0; the minimum 3 bits of the system frame number of the radio system frame 1 is 001, corresponding to the transport block 1; the radio system frame 1
- the minimum 3 bits of the system frame number are 010, corresponding to transport block 2; the minimum 3 bits 011 of the system frame number of the radio system frame 3 correspond to transport block 3; the minimum system frame number of the radio system frame 4 3 bits are 100, corresponding to transport block 4;
- the minimum 3 bits of the system frame number of the radio system frame 5 is 101, corresponding to transport block 5; the minimum 3 bits of the system frame number of the radio system frame 6 is 110, Corresponding to the transport block 6; the minimum 3 bits of the system frame number of the radio system frame 7 is 111, corresponding to transport block 0.
- the base station transmits the transport block 0 through the PBCH in the radio system frame 0; in the radio system frame 1, the transport block 1 is transmitted through the PBCH; in the radio system frame 1, the transport block 2 is transmitted through the PBCH; In the radio system frame 4, the transport block 4 is transmitted through the PBCH; in the radio system frame 5, the transport block 5 is transmitted through the PBCH; in the radio system frame 6, the transport block 6 is transmitted through the PBCH. In the radio system frame 7, the transport block 7 is transmitted through the PBCH.
- the communication method provided by the embodiment of the present application implicitly indicates the minimum 3 bits of the system frame number by the first processing mode, thereby reducing the amount of data transmitted, thereby improving the transmission efficiency.
- the period of SS burs t set is 20ms, and the base station is in the wireless system frame 0, wireless system
- the SFN is transmitted through the PBCH in the frame 1, the radio system frame 4, and the radio system frame 6.
- the base station may determine, according to a minimum of three bits of the system frame number implicitly indicated by the first processing mode, a minimum of three bits of the system frame number of the wireless system frame and a transmission transmitted in the frame of the wireless system.
- the mapping relationship of the block may be determined, according to a minimum of three bits of the system frame number implicitly indicated by the first processing mode, a minimum of three bits of the system frame number of the wireless system frame and a transmission transmitted in the frame of the wireless system. The mapping relationship of the block.
- the minimum 3 bits of the system frame number of the radio system frame 0 is 000, corresponding to the transport block 0; the minimum 3 bits of the system frame number of the radio system frame 1 is 010, corresponding to the transport block 2; the radio system frame 4
- the minimum 3 bits of the system frame number are 100, corresponding to transport block 4; the minimum 3 bits of the system frame number of the radio system frame 6 is 110, corresponding to transport block 6.
- the base station transmits the transport block 0 through the PBCH in the radio system frame 0; in the radio system frame 1, the transport block 2 is transmitted through the PBCH; in the radio system frame 4, the transport block 4 is transmitted through the PBCH; in the radio system frame 6 Inside, the transport block 6 is transmitted through the PBCH.
- the method of transmitting the SFN through the PBCH in the radio system frame 0, the radio frame 2, the radio system frame 4, and the radio system frame 6 and the SS burst set period is 10 ms, in the wireless
- the method of transmitting the SFN through the PBCH in the system frame 0, the radio frame 2, the radio system frame 4, and the radio system frame 6 is the same.
- the period of the SS burst set is the first period (for example, 10 ms)
- the system frame number of the radio system frame in which the first PBCH is located is 0011010 (that is, the radio system frame 1 in the TTI 2)
- the base station The first MIB is processed by the first processing manner to obtain a first transport block, where the first processing mode is used to indicate a minimum of three bits of a system frame number of a radio system frame in which the first PBCH is located (as shown in the following figure) The three bits shown), the first MIB contains 0011010 (up to 7 bits) in the system frame number of the radio system frame in which the first PBCH is located.
- the period of the SS burst set is the second period (for example, 20 ms)
- the system frame number of the radio system frame in which the second PBCH is located is 011010 (that is, the radio system frame 1 in the TTI 3)
- the second MIB is processed by the second processing mode to obtain a second transport block, where the second processing mode is used to indicate a minimum of three bits of the system frame number of the radio system frame where the second PBCH is located (as follows) The 3 bits shown), the second MIB includes 011010 (up to 7 bits) in the system frame number of the radio system frame in which the second PBCH is located; if the system frame number of the radio system frame in which the second PBCH is located is 0110110 (that is, the radio system frame 2 in the TTI 3), the base station processes the second MIB by using the second processing manner to obtain a second transport block, where the second processing mode is used to indicate the radio system where the second PBCH is located.
- the base station can transmit the SFN through the PBCH in a unified manner, which can reduce the complexity of the base station and the UE.
- the period of the SS burst set is 40 ms, and the base station transmits the SFN through the PBCH in the radio system frame 0 and the radio system frame 4, respectively.
- the base station may determine, according to a minimum of three bits of the system frame number implicitly indicated by the first processing mode, a minimum of three bits of the system frame number of the wireless system frame and a transmission transmitted in the frame of the wireless system.
- the mapping relationship of the block may be determined, according to a minimum of three bits of the system frame number implicitly indicated by the first processing mode, a minimum of three bits of the system frame number of the wireless system frame and a transmission transmitted in the frame of the wireless system. The mapping relationship of the block.
- the minimum 3 bits of the system frame number of the radio system frame 0 is 000, corresponding to transport block 0; the minimum 3 bits of the system frame number of the radio system frame 4 is 100, corresponding to transport block 4.
- the base station transmits the transport block 0 through the PBCH in the radio system frame 0; in the radio system frame 4, The PBCH transmits the transport block 4.
- the method of transmitting the SFN through the PBCH in the radio system frame 0 and the radio system frame 4 and the period of the SS burst set are 10 ms, in the radio system frame 0 and the radio system frame 4
- the method of transmitting the SFN through the PBCH is the same. To avoid repetition, the details are not described here.
- the period of the SS burst set is 80 ms, and the base station transmits the SFN through the PBCH in the radio system frame 0.
- the base station may determine, according to a minimum of three bits of the system frame number implicitly indicated by the first processing mode, a minimum of three bits of the system frame number of the wireless system frame and a transmission transmitted in the frame of the wireless system.
- the mapping relationship of the block may be determined, according to a minimum of three bits of the system frame number implicitly indicated by the first processing mode, a minimum of three bits of the system frame number of the wireless system frame and a transmission transmitted in the frame of the wireless system. The mapping relationship of the block.
- the minimum 3 bits of the system frame number of frame 0 of the wireless system is 000, corresponding to transport block 0.
- the base station transmits a transport block 0 through the PBCH in the radio system frame 0.
- the period of the SS burst set is 80 ms
- the method of transmitting the SFN through the PBCH in the frame 0 of the wireless system and the period of the SS burst set are 10 ms
- the method of transmitting the SFN through the PBCH in the frame 0 of the wireless system is the same, in order to avoid Repeat, no more details here.
- the base station transmits the SFN through the PBCH in the radio system frame 0, and transmits the next SFN through the PBCH in another TTI separated by one TTI after the TTI 6.
- the base station may process the first MIB by using the first processing manner to obtain a first transport block, where the first processing manner implicitly indicates the PBCH.
- the minimum 3 bits of the system frame number of frame 0 of the wireless system is 000, corresponding to transport block 0.
- the base station transmits a transport block 0 through the PBCH in the radio system frame 0.
- the period of the SS burst set is 160 ms
- the method of transmitting the SFN through the PBCH in the frame 0 of the wireless system and the period of the SS burst set are 10 ms
- the method of transmitting the SFN through the PBCH in the frame 0 of the wireless system is the same, in order to avoid Repeat, no more details here.
- the period of the SS burst set is 5 ms
- the base station transmits the SFN through the PBCH in the radio system frame 0 to the radio system frame 7, and transmits the SS block twice in each radio system frame, that is,
- the SS block is transmitted in the first half frame and the second half frame respectively, wherein the SS block transmitted in the first field and the SS block transmitted in the second field may both contain the PBCH, or only one SS block includes the PBCH. Since the first half frame and the second half frame are both located in the same wireless system frame, the SFN in the SS block transmitted in the first half frame is the same as the SFN in the SS block transmitted in the second half frame.
- the method of transmitting the SFN through the PBCH in the radio system frame 0_radio system frame 7 and the period of the SS burst set are 10 ms, in the frame 0 of the wireless system frame 0_wireless system
- the method of transmitting the SFN through the PBCH is the same. To avoid repetition, the details are not described here.
- the base station in the period of two or more different SS burst sets, does not need to separately formulate a corresponding method for transmitting the SFN for each SS burst set period, but transmits the first MIB through the first MIB.
- the highest 7 bits in the system frame number, and the first processing mode for processing the first MIB implicitly indicates the minimum 3 bits in the system frame number, which can reduce the computational complexity of the base station and the UE. At the same time, the complexity of detecting the SNF by the UE is reduced.
- the base station needs to send two SS blocks in a radio system frame, that is, the first half frame sends an SS block. And/or the latter half frame sends an SS block, so the base station needs to indicate the frame information of the SS block to the UE, and the frame information is used to indicate that the SS block is transmitted in the first half frame or in the second half frame.
- the base station can indicate the frame information in multiple manners, which is not limited in this embodiment of the present application.
- the base station may carry the indication information of the 1-bit bit in the transmission block obtained by processing the first MIB by using the first processing manner, and indicate the frame information.
- the 1-bit bit has a bit value of 0, corresponding to the SS block being transmitted in the first half of the frame; the 1-bit bit has a bit value of 1, corresponding to the SS block occurring in the second half of the frame.
- the base station may indicate the frame information by using different MN RS sequences, or may indicate the frame information by using different frequency offsets of the MN RS sequence.
- the base station may pre-arrange with the UE to indicate that the SS block is transmitted in the first half frame by using the first RS sequence, and to indicate that the SS block is transmitted in the second half frame by using the second RS sequence.
- the base station may pre-arrange with the UE to indicate that the SS block is sent in the first half frame by using the first frequency domain offset of the first MN RS sequence, by using the second frequency of the first MN RS sequence. Offset, indicating that the SS block was sent in the second half of the frame.
- the UE and the base station may specify a correspondence between the frame information and the frequency offset of the MN RS sequence and/or the MN RS sequence, or the base station may indicate the UE by using the high layer signaling. Not limited.
- the base station may indicate the frame information by using the positions of the first symbol and the second symbol occupied by the PBCH included in the SS block.
- the base station may indicate the frame information by using the content included in the SS block.
- the base station and the UE may pre-arrange whether the PBCH is included in the SS block, indicating whether the SS block is sent in the first half frame or in the second half frame.
- the base station may use the reserved bits in the first MIB to indicate the frame information, or the base station may multiplex the bits in the first MIB to indicate the frame information, for example, the first MIB may be multiplexed.
- the bit used to indicate the SS block or the bit used to indicate the period of the SS burst set in the first MIB is limited in this embodiment of the present application.
- the base station indicates the frame information of the SS block in a plurality of different manners, so that the UE can obtain a finer-grained system frame number.
- the base station may send the SS burst in only one radio frame in each SS burst set period, and even send the SS burst in each half of the radio frame, for example, in FIG. 5 and FIG.
- Each PBCH shown can be included in an SS burst.
- the base station may transmit an SS burst in each radio frame during each SS burst set period, and even send an SS burst in each half of each radio frame, the SS burst set All SS bursts in the cycle constitute the SS burst set;
- FIG. 5 shows a schematic diagram of an SS burst included in each radio frame included in the period of the SS burst set.
- the period of the SS burst set in the TTI 1 is 20 ms
- the SS burst set includes 2 SS burst (ie 1 st SS burst and 2 nd SS burst )
- 1 st SS burst is transmitted in the first 10 ms radio frame in the 20 ms period
- 2 nd SS burst in the second 10 ms radio in the 20 ms period Intraframe transmission.
- the period of the SS burst set in TTI 2 is 20 ms, and the SS burst set includes 4 SS bursts (ie, 1 st SS burst, 2 nd SS burst, 3 rd SS burst, 4 th SS burst ), and 1 st SS burst is in 20 ms.
- the same method for transmitting the system frame number in the SS burst in the same radio frame the method of transmitting the SFN through the SS burst in each radio system frame is the same as that described above in FIG. 2 to FIG.
- the method of transmitting the SFN through the PBCH in the frame is similar. To avoid repetition, it will not be described here.
- FIG. 6 is a schematic block diagram of a communication device 600 for data transmission provided by an embodiment of the present application.
- the communication device 600 includes:
- a determining unit 610 configured to determine a system frame number of a radio system frame where the first broadcast channel PBCH is to be sent, where the first PBCH is included in the first synchronization signal segment set SS burst set, and the first SS burst set
- the period is any one of a plurality of cycles
- the processing unit 620 is configured to process, by using the first processing manner, the first primary information block (MIB) to obtain a first transport block, where the first processing mode is used to indicate that the first PBCH is determined by the determining unit 610. a partial bit of the system frame number, where the first MIB includes a remaining bit of the system frame number of the wireless system frame in which the first PBCH is located, except for the bit on the partial bit;
- MIB primary information block
- the sending unit 630 is configured to send, by using the first PBCH, the first transport block processed by the processing unit 620 in a radio system frame in which the first PBCH is located.
- the first PBCH is sent in the first transmission time interval TTI, and the period of the first SS burst set in the first TTI is the first period in the multiple cycles, and the determining unit further a system frame number used to determine a radio system frame in which the second PBCH to be transmitted in the second TTI is located, where the second PBCH is included in the second SS burst set, and the period of the second SS burst set is the multiple period
- the processing unit is further configured to process the second MIB by using the first processing manner to obtain a second transmission block, where the first processing manner is used to indicate a system of the wireless system frame where the second PBCH is located.
- the transmitting unit is further configured to use the second PBCH Within the wireless system frame, the second transport block is transmitted through the second PBCH.
- the partial bits include a first to last bit and a third to last.
- the partial bit comprises a minimum of 3 bits.
- the first processing mode includes at least one of a cyclic redundancy check CRC check, a cyclic shift, and a scrambling.
- the present application provides a communication method and communication device capable of passing through different periods of SS burst set
- the PBCH transmits the SFN.
- the base station does not need to separately formulate a corresponding method for transmitting the SFN for each SS burst set period, but transmits the remaining bits in the system frame number of the first MIB. And implicitly indicating a part of the bits in the system frame number by using the first processing manner for processing the first MIB, which can reduce the computational complexity of the base station and the UE, and reduce the complexity of detecting the SNF by the UE.
- the communication device 600 may be specifically the network device in the foregoing method embodiment, and the communication device 600 may be used to perform various processes corresponding to the network device in the foregoing method embodiment and/ Or steps, to avoid repetition, will not be repeated here.
- the communication device 600 herein may be embodied in the form of a functional unit.
- the term "unit, here, can Means an ASIC, an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group processor, etc.) for executing one or more software or firmware programs, and memory, merge logic, and/or other support described The right component for the function.
- FIG. 7 is a schematic block diagram of still another communication device 700 for data transmission provided by an embodiment of the present application.
- the communication device 700 includes:
- the obtaining unit 710 is configured to obtain a transport block that is sent by the network device by using a broadcast channel PBCH, where the PBCH is included in a synchronization burst set SS burst set, and the period of the SS burst set is any one of multiple cycles; 720, configured to process, by using the processing mode, the transport block obtained by the acquiring unit 710, to obtain a main information block MIB, and obtain a part of the system frame number of the radio system frame where the PBCH is located by using the processing manner, and a bit on a partial bit, the MIB containing the remaining bits of the system frame number of the wireless system frame in which the PBCH is located, except for the bits on the partial bit;
- the determining unit 730 is configured to determine, according to the partial bit and the remaining bits processed by the processing unit 720, a system frame number of a radio system frame in which the PBCH is located.
- the partial bits include a first to last bit and a third to last.
- the partial bit comprises a minimum of 3 bits.
- the processing manner includes at least one of a cyclic redundancy check CRC check, a cyclic shift, and a descrambling.
- the present application provides a communication method and communication apparatus capable of transmitting an SFN through a PBCH for different periods of SS burst sets.
- the base station does not need to separately formulate a corresponding method for transmitting the SFN for each SS burst set period in the period of two or more different SS burst sets, but transmits the remaining bits in the system frame number through the MIB, and
- the processing method for processing the MIB implicitly indicates a part of the bits in the system frame number, which can reduce the computational complexity of the base station and the UE, and reduce the complexity of the UE detecting the SNF.
- the communication device 700 may be specifically the UE in the foregoing method embodiment, and the communication device 700 may be used to perform various processes and/or steps corresponding to the UE in the foregoing method embodiment. To avoid repetition, we will not repeat them here.
- the communication device 700 herein may be embodied in the form of a functional unit.
- the term "unit” herein may refer to an ASIC, an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group processor, etc.) and a memory, merge logic circuit for executing one or more software or firmware programs. And/or other suitable components that support the described functionality.
- FIG. 8 is a schematic block diagram of still another communication device 800 for data transmission provided by an embodiment of the present application.
- the communication device 800 includes a processor 810, a transceiver 820, and a memory 830.
- the processor 810, the transceiver 820, and the memory 830 communicate with each other through an internal connection path.
- the memory 830 is configured to store instructions
- the processor 810 is configured to execute instructions stored in the memory 830 to control the transceiver 820 to send signals and / or receive signals.
- the processor and the memory included in the device may also be implemented by using a chip.
- the processor 810 is specifically configured to: determine a system frame number of a radio system frame where the first broadcast channel PBCH is to be sent, where the first PBCH is included in the first synchronization signal segment set SS burst set, and the first SS burst
- the set period is any one of a plurality of cycles.
- the first processing block is processed by the first processing mode to obtain a first transport block, where the first processing mode is used to indicate the wireless system where the first PBCH is located.
- the first MIB includes a ratio of a system frame number of the wireless system frame in which the first PBCH is located, except for the partial bit position a special extra bit; controlling the transceiver 820 to transmit the first transport block through the first PBCH in a radio system frame in which the first PBCH is located.
- the communication device 800 may be specifically the network device in the above embodiment, and may be used to perform various steps and/or processes corresponding to the network device in the above method.
- the memory 820 can include read only memory and random access memory and provide instructions and data to the processor. A portion of the memory may also include a non-volatile, random access memory.
- the memory can also store information of the device type.
- the processor 810 can be configured to execute instructions stored in a memory, and when the processor 810 executes instructions stored in the memory, the processor 810 is configured to perform various steps and/or processes corresponding to the network devices in the above embodiments. .
- the processor of the foregoing communication device may be a central processing unit (centra l proces s ing uni t , CPU ) , and the processor may also be other general purpose processors and digital signal processors ( digi Ta ls igna l proces s ing, DSP ), application specific integrated circuit (ASIC), field-programmable gate array (FPGA) or other programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc.
- the general purpose processor may be a processor or the processor or any conventional processor or the like.
- FIG. 9 is a schematic block diagram of still another communication device 900 for data transmission provided by an embodiment of the present application.
- the communication device 900 includes a processor 910, a transceiver 920, and a memory 930.
- the processor 910, the transceiver 920, and the memory 930 communicate with each other through an internal connection path.
- the memory 930 is configured to store instructions, and the processor 910 is configured to execute instructions stored in the memory 930 to control the transceiver 920 to send signals and / or receive signals.
- the processor and the memory included in the device may also be implemented by using a chip.
- the processor 910 is specifically configured to: control the transceiver 920 to acquire a transport block that is sent by the network device through the broadcast channel PBCH, where the PBCH is included in the synchronization signal segment set SS burs t set, and the period of the SS burs t set is multiple cycles.
- the MIB includes a remaining bit of the system frame number of the wireless system frame in which the PBCH is located, except for the bit on the partial bit; and determining, according to the partial bit and the remaining bit, a system frame of the wireless system frame in which the PBCH is located number.
- the communication device 900 may be specifically the UE in the foregoing embodiment, and may be used to perform various steps and/or processes corresponding to the UE in the foregoing method.
- the memory 930 can include read only memory and random access memory and provide instructions and data to the processor. A portion of the memory may also include non-volatile random access memory.
- the memory can also store information of the device type.
- the processor 910 can be configured to execute instructions stored in a memory, and when the processor 910 executes instructions stored in the memory, the processor 910 is configured to perform various steps and/or processes corresponding to the UEs in the above-described embodiments.
- the processor may be a central processing unit (CPU), and the processor may also be other general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), and field programmable gates.
- DSPs digital signal processors
- ASICs application specific integrated circuits
- FPGA field programmable gate array
- the general purpose processor may be a processor or the processor or any conventional processor or the like.
- the disclosed systems, communication devices, and methods may be implemented in other manners.
- the embodiment of the communication device described above is only illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined. Either can be integrated into another system, or some features can be ignored, or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, communication device or unit, and may be in electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. . Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiment of the present embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
- the technical solution of the present application or the part contributing to the prior art or the part of the technical solution may be embodied in the form of a software product, which is stored in a storage medium, including
- the thousands of instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
- the foregoing storage medium includes: a USB flash drive, a removable hard disk, a read-only memory (ROM), a random access memory (RAM, Random Acces s Memory), a magnetic disk, or an optical disk, and the like, which can store program codes. medium.
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CN109451575B (zh) | 2019-11-19 |
AU2018261988B2 (en) | 2021-07-15 |
US11115904B2 (en) | 2021-09-07 |
KR102308291B1 (ko) | 2021-10-01 |
EP4207888A1 (en) | 2023-07-05 |
EP3518591B1 (en) | 2022-12-28 |
CN109302741A (zh) | 2019-02-01 |
JP6903390B2 (ja) | 2021-07-14 |
RU2019139244A3 (zh) | 2021-09-08 |
EP3518591A1 (en) | 2019-07-31 |
CN109302741B (zh) | 2019-11-19 |
US20190364486A1 (en) | 2019-11-28 |
US20210410046A1 (en) | 2021-12-30 |
RU2019139244A (ru) | 2021-06-07 |
AU2018261988A1 (en) | 2019-12-05 |
KR20200003103A (ko) | 2020-01-08 |
AU2018261988C1 (en) | 2022-02-10 |
CN108811073A (zh) | 2018-11-13 |
EP3518591A4 (en) | 2019-11-06 |
JP2020519204A (ja) | 2020-06-25 |
MX2019013209A (es) | 2020-07-27 |
CN108811073B (zh) | 2023-08-18 |
BR112019023172A2 (pt) | 2020-06-02 |
CN109451575A (zh) | 2019-03-08 |
US11711751B2 (en) | 2023-07-25 |
BR112019023172B1 (pt) | 2022-04-26 |
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