WO2017092025A1 - 传输数据的方法、相关设备及系统 - Google Patents

传输数据的方法、相关设备及系统 Download PDF

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Publication number
WO2017092025A1
WO2017092025A1 PCT/CN2015/096387 CN2015096387W WO2017092025A1 WO 2017092025 A1 WO2017092025 A1 WO 2017092025A1 CN 2015096387 W CN2015096387 W CN 2015096387W WO 2017092025 A1 WO2017092025 A1 WO 2017092025A1
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WO
WIPO (PCT)
Prior art keywords
synchronization signal
preset
signal pattern
time domain
broadcast channel
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PCT/CN2015/096387
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English (en)
French (fr)
Inventor
马洁
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2015/096387 priority Critical patent/WO2017092025A1/zh
Publication of WO2017092025A1 publication Critical patent/WO2017092025A1/zh

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • 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 invention relates to the field of wireless communication technologies, and in particular, to a method, a related device, and a system for transmitting data in a wireless communication system.
  • D2D device-to-device
  • devices and devices can communicate directly without going through a base station or network.
  • a device outside the network coverage wants to establish communication with the network side, and needs to establish a connection with the network side through a device (ie, a relay device) within the network coverage.
  • wearable devices such as smart glasses, smart watches, or sports bracelets
  • relay devices such as smart phones, tablets, etc.
  • the wearable device In the D2D communication with the relay device, the wearable device needs to establish synchronization with the relay device according to the synchronization signal sent by the received relay device, and can receive the relay device in the current synchronization subframe after the synchronization is established. Broadcast channel. Since the relay device sends the synchronization signal and the broadcast channel every 40 milliseconds, the wearable device and the relay device need to perform synchronous operations frequently, and the wearable device consumes a relatively high power, thereby causing the wearable device to consume power when performing D2D communication. is too big. In addition, the energy storage capacity of wearable devices is generally small, resulting in limited use time and excessive power consumption, resulting in shorter wearable devices.
  • the invention provides a method, a related device and a system for transmitting data, which can solve the problem that the wearable device consumes a large amount of power during D2D communication.
  • a first aspect of the present invention provides a method of transmitting data, the method comprising:
  • the remote terminal device receives the synchronization signal sent by the relay device, where the synchronization signal includes a secondary synchronization signal pattern;
  • the remote terminal device determines that the secondary synchronization signal pattern is a preset secondary synchronization signal pattern, the remote terminal device acquires the broadcast signal according to the preset secondary synchronization signal pattern and the preset receiving rule.
  • the remote terminal device receives broadcast channel information sent by the relay device at the target time domain location.
  • the remote terminal device can accurately acquire the time domain location of the received broadcast channel information through the received secondary synchronization signal sequence, and receive the broadcast channel information only in the target time domain location, except for the target time domain location.
  • the other time domain locations are in a dormant state, thereby achieving discontinuous reception while effectively reducing power consumption, extending the duration of use, and improving the user experience.
  • the preset receiving rule includes:
  • the first time domain location is a time domain location of the remote terminal device receiving the preset secondary synchronization signal pattern
  • the second The time domain location is a time domain location at which the remote terminal device receives the broadcast channel
  • a target time domain location that the relay device sends the broadcast channel information including:
  • the remote terminal device Determining, by the remote terminal device, the target time domain location corresponding to the at least one preset sequence according to the preset secondary synchronization signal pattern and the preset mapping relationship.
  • the remote terminal device can accurately acquire the time domain location of receiving the broadcast channel information, and can implement the discontinuous reception function without blind detection, and when the target time domain location occurs, Only open the receiver and receive the broadcast channel information, so as to reduce power consumption and extend the duration of use.
  • the preset mapping relationship is to receive the preset
  • the mapping relationship between the time domain location of the sequence and the time domain location of the receiving broadcast channel is set. According to the length of the content of the broadcast channel, a plurality of preset secondary synchronization signal patterns are set to be associated with the broadcast channel, so that the transmission mechanism is more flexible.
  • the preset sequence satisfies at least one of the following:
  • the number of the preset sequences is at least one, and the preset sequence includes at least one type of sequence.
  • the period in which the remote terminal device receives the secondary synchronization signal pattern is proportional to the period in which the remote terminal device receives the broadcast channel.
  • the synchronization signal further includes a primary synchronization signal pattern, and the remote end
  • the frequency at which the end device receives the primary synchronization signal pattern is greater than the frequency at which the remote terminal device receives the broadcast channel, or the frequency at which the remote terminal device receives the secondary synchronization signal pattern is greater than the remote terminal device receives The frequency of the broadcast channel.
  • the preset receiving rule further includes at least one of the following items:
  • the remote terminal device can detect the preset secondary synchronization signal pattern or the preset sequence more accurately and quickly, thereby reducing the receiving delay.
  • the remote terminal device when the remote terminal device receives the broadcast channel information sent by the plurality of the relay devices, the receiving the time domain location of the preset sequence and receiving the time domain location of the broadcast channel
  • the mapping relationship is as follows:
  • the target time domain location includes a plurality of time domain locations.
  • the reception can be completed through multiple time domain locations, and the transmission of the broadcast channel is accelerated.
  • a second aspect of the present invention provides a method of transmitting data, the method comprising:
  • the relay device sends a synchronization signal to the remote terminal device, where the synchronization signal includes a preset secondary synchronization signal pattern;
  • the relay device sends the broadcast channel information to the remote terminal device according to the preset sending rule, where the preset sending rule includes a mapping relationship between the preset first time domain location and the second time domain location, where the The time domain location is a time domain location of the preset secondary synchronization signal pattern sent by the relay device, and the second time domain location is a time domain location where the relay device sends a broadcast channel.
  • the preset sending rule includes a mapping relationship between the preset first time domain location and the second time domain location, where the The time domain location is a time domain location of the preset secondary synchronization signal pattern sent by the relay device, and the second time domain location is a time domain location where the relay device sends a broadcast channel.
  • the preset mapping relationship is to send the preset
  • the mapping relationship between the time domain position of the sequence and the time domain location of the broadcast channel is set. According to the length of the content of the broadcast channel, a plurality of preset secondary synchronization signal patterns are set to be associated with the broadcast channel, so that the transmission mechanism is more flexible.
  • the preset sequence satisfies at least one of the following:
  • the number of the preset sequences is at least one, and the preset sequence includes at least one type of sequence.
  • a period in which the relay device sends the secondary synchronization signal pattern is proportional to a period in which the relay device transmits the broadcast channel.
  • the synchronization signal further includes a primary synchronization signal pattern, and the frequency at which the relay device transmits the primary synchronization signal pattern is greater than a frequency at which the relay device transmits the broadcast channel, or The frequency at which the device transmits the secondary synchronization signal pattern is greater than the frequency at which the broadcast channel is transmitted.
  • the preset sending rule further includes at least one of the following items:
  • the primary synchronization signal pattern, the identification of the primary synchronization signal pattern, the secondary synchronization signal pattern, the identification of the secondary synchronization signal pattern, the order of each sequence in the secondary synchronization signal pattern, and each sequence in the secondary synchronization signal pattern The number, the preset sequence, the identifier of the preset sequence, the period in which the broadcast channel information is transmitted, or the period in which the synchronization signal is transmitted.
  • the mapping of the time domain location of the preset sequence and the time domain location of the broadcast channel is transmitted.
  • the relationship is as follows:
  • the offset time is set, the time of receiving the broadcast channel sent by each relay device is staggered, so that when multiple relay devices send broadcast channel information to the remote terminal device, the remote terminal device correctly receives all the relay devices. Broadcast channel to avoid receiving interference.
  • the target time domain location includes a plurality of time domain locations
  • the relay device sends the broadcast channel information to the remote terminal device according to the preset sending rule and the preset secondary synchronization signal pattern in the at least one secondary synchronization signal pattern, including:
  • the relay device transmits the broadcast channel in a time domain location corresponding to at least two of the preset sequences.
  • the reception can be completed through multiple time domain locations, and the transmission of the broadcast channel is accelerated.
  • a third aspect of the present invention provides a remote terminal device, where the remote terminal device includes:
  • a receiving module configured to receive a synchronization signal sent by the relay device, where the synchronization signal includes a secondary synchronization signal pattern
  • the processing module is configured to: when the preset synchronization signal pattern received by the receiving module is a preset secondary synchronization signal pattern, acquire the broadcast channel by using the preset secondary synchronization signal pattern and the preset receiving rule Target time domain location;
  • the receiving module is configured to receive broadcast channel information sent by the relay device at the target time domain location acquired by the processing module.
  • the remote terminal device has a function of implementing the behavior of the remote terminal device in the above method design.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the modules can be software and/or hardware.
  • a fourth aspect of the present invention provides a relay device, where the relay device includes:
  • a sending module configured to send a synchronization signal to the remote terminal device, where the synchronization signal includes a preset secondary synchronization signal pattern;
  • the sending module is further configured to send the broadcast channel information to the remote terminal device according to the preset sending rule, where the preset sending rule includes a mapping relationship between the preset first time domain location and the second time domain location,
  • the first time domain location is a time domain location for transmitting the preset secondary synchronization signal pattern
  • the second time domain location is a time domain location for transmitting a broadcast channel.
  • the relay device has a function of implementing the behavior of the relay device in the above method design.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the modules can be software and/or hardware.
  • a fifth aspect of the present invention provides a communication system, comprising the remote terminal device of the above third aspect and the relay device of the fourth aspect.
  • the solution provided by the present invention obtains the target by using the preset secondary synchronization signal pattern and the preset receiving rule when the received secondary synchronization signal pattern is first determined as the preset secondary synchronization signal pattern.
  • the domain location and then receiving the broadcast channel sent by the relay device at the target time domain location, so that the remote terminal device can accurately acquire the time domain location of the received broadcast channel information through the received secondary synchronization signal pattern, and only
  • the target time domain location receives the broadcast channel information, and is in a sleep state in other time domain locations, thereby achieving discontinuous reception while effectively reducing its own power consumption, prolonging the use duration, and improving the user experience.
  • FIG. 1 is a schematic structural diagram of a frame used in D2D communication according to an embodiment of the present invention
  • FIG. 2 is another schematic structural diagram of a frame used in D2D communication according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for transmitting data according to an embodiment of the present invention.
  • FIG. 4 is a structural diagram of a remote terminal device according to an embodiment of the present invention.
  • FIG. 5 is a structural diagram of a relay device according to an embodiment of the present invention.
  • 5-1 is another structural diagram of a relay device according to an embodiment of the present invention.
  • FIG. 5-2 is a structural diagram of a communication system according to an embodiment of the present invention.
  • FIG. 6 is another structural diagram of a remote terminal device according to an embodiment of the present invention.
  • FIG. 7 is another structural diagram of a relay device according to an embodiment of the present invention.
  • the terms “comprises” and “comprises” and “the” and “the” are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device that comprises a series of steps or modules is not necessarily limited to Those steps or modules, but may include other steps or modules not explicitly listed or inherent to such processes, methods, products or devices, the division of the modules presented herein is merely a logical division. There may be additional divisions in the implementation of the actual application, for example, multiple modules may be combined or integrated into another system, or some features may be ignored, or not executed, and the displayed or discussed mutual coupling.
  • the direct coupling or the communication connection may be through some interfaces, and the indirect coupling or communication connection between the modules may be electrical or the like, which is not limited herein.
  • the module or the sub-module described as the separate component may or may not be physically separated, may not be a physical module, or may not be divided into a plurality of circuit modules, and may select a part thereof according to actual needs or All modules are used to achieve the objectives of the embodiments of the present invention.
  • Embodiments of the present invention provide a method, a related device, and a system for transmitting data, which are mainly applied to D2D communication.
  • the technical terms appearing in this article are described in detail below.
  • the remote terminal device herein refers to a device that is outside the coverage of the cell or the cell coverage (usually at the edge of the cell), and may be, for example, a wearable device (such as smart glasses, a smart bracelet, or a smart watch).
  • a terminal device capable of a small capacity, and a relay device refers to a terminal device that provides a relay service for a remote terminal device.
  • the remote terminal device needs to establish a D2D communication with the relay device to establish a connection with the network and perform communication.
  • the relay device periodically sends a synchronization signal and a broadcast channel to the remote terminal device, so that the remote terminal device can synchronize with the relay device according to the synchronization signal, and receive the broadcast channel information. ready.
  • the terminal device may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
  • the wireless terminal can communicate with one or more core networks via a RAN Radio Access Network, and the wireless terminal can be mobile Terminals, such as mobile telephones (or "cellular" telephones) and computers with mobile terminals, for example, can be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices that exchange languages with wireless access networks And / or data.
  • a wireless terminal may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, or an access point.
  • Remote Terminal Access Terminal, User Terminal, Terminal Device, User Agent, User Device, or User Equipment.
  • the frame structure used when the remote terminal device performs D2D communication with the relay device is as shown in FIG. 1 (also applicable to other frame structures).
  • S in the figure indicates that a subframe containing a synchronization signal is transmitted
  • D indicates that the relay device gives A subframe in which the remote terminal device transmits data
  • U represents a subframe in which the remote terminal device transmits data to the relay device.
  • PBCH physical broadcast channel
  • the time domain position of the PBCH in the time domain is as shown in FIG. 2.
  • the synchronization signal mainly includes a primary synchronization signal (PSS) and a secondary synchronization signal (SSS).
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • the autocorrelation property (ZC, zadoff-chu) sequence is used to distinguish sectors, and the SSS is generated using a pseudo-random sequence for distinguishing base stations.
  • the embodiment of the present invention mainly provides the following technical solutions:
  • the mapping relationship between the time domain location of the broadcast channel and the time domain location of the preset secondary synchronization signal on the relay device Pre-configure the mapping relationship between the time domain location of the broadcast channel and the time domain location of the preset secondary synchronization signal on the relay device, and configure the time domain location and reception pre-reception of the receiving broadcast channel on the remote terminal device.
  • the mapping relationship between the time domain positions of the secondary synchronization signal patterns is set.
  • the two mapping relationships are corresponding settings, and can be configured by the network side device, such as a base station, a mobility management entity (MME, Mobile Management Entity), and a proximity service entity (ProSeFunction, Configurations such as Proximity Services Function) can also be pre-configured in remote terminal devices and relay devices.
  • the secondary sync signal pattern in the middle is composed of a plurality of sequences.
  • the remote terminal device After receiving the secondary synchronization signal pattern, the remote terminal device determines the preset secondary synchronization signal pattern in the secondary synchronization signal pattern, and according to the preset secondary synchronization signal pattern and the time of receiving the broadcast channel.
  • the mapping relationship between the domain location and the time domain location of receiving the preset secondary synchronization signal pattern acquires a target time domain location of the received broadcast channel, and then the target time domain location receives the broadcast channel information.
  • the remote terminal device can accurately acquire the time domain location of the receiving broadcast channel, and can realize the discontinuous reception function without blind detection, and the receiver is turned on and received when the target time domain location occurs. Broadcast channel information to reduce power consumption and extend the duration of use.
  • the scenario in which the technical solution of the present invention can be applied includes: the communication parties or the communication parties are all within the coverage of the cellular network, or are all outside the coverage of the cellular network, or the relay device is within the coverage of the cellular network, and the remote terminal device In the case of coverage outside the cellular network.
  • the frequency points that the receiver and the sender may use include those allocated by the cellular network, or pre-configured within the receiver and the sender, such as a licensed spectrum or an unlicensed spectrum.
  • the embodiment of the present invention includes:
  • the relay device sends a synchronization signal to the remote terminal device.
  • the synchronization signal includes a preset secondary synchronization signal pattern.
  • the synchronization signal includes a set of secondary synchronization signal patterns, and the set of secondary synchronization signal patterns includes at least one secondary synchronization signal pattern.
  • the synchronization signal further includes a primary synchronization signal pattern, and the primary synchronization signal pattern is used for Instructing the remote terminal device to synchronize with the relay device, and having only one primary synchronization signal pattern, the remote terminal device only needs to perform synchronization with the relay device once, effectively reducing power consumption required for frequent synchronization.
  • the remote terminal device receives a synchronization signal sent by the relay device.
  • the remote terminal device Since the synchronization signal is composed of a plurality of sequences, the remote terminal device performs coherent detection on the synchronization signal according to the orthogonal characteristics of the sequence, thereby correctly receiving the synchronization signal.
  • the relay device sends broadcast channel information to the remote terminal device according to a preset sending rule.
  • the preset sending rule includes:
  • the first time domain location is a time domain location of the preset secondary synchronization signal pattern sent by the relay device, where the second time The domain location is the time domain location at which the relay device transmits the broadcast channel.
  • the remote terminal device determines that the secondary synchronization signal pattern is a preset secondary synchronization signal pattern
  • the remote terminal device acquires a target of the broadcast channel by using the preset secondary synchronization signal pattern and the preset receiving rule. Time domain location.
  • the target time domain location can be understood as a subframe or a time domain resource. It can be known that after acquiring the target time domain location, the remote terminal device can use the time domain resource corresponding to the target time domain location in the broadcast channel. Receiving the broadcast channel information sent by the relay device, and after receiving the broadcast channel information, the remote terminal device establishes a communication connection with the relay device, thereby implementing access to the network side by the relay device in the network coverage.
  • the preset receiving rule may include:
  • the first time domain location is a time domain location of the remote terminal device receiving the preset secondary synchronization signal pattern
  • the second The time domain location is that the remote terminal device receives the time domain location of the broadcast channel, so that the remote terminal device can determine, according to the preset sequence and the preset mapping relationship, at least one location corresponding to the preset sequence.
  • the target time domain location is then received, and then the broadcast channel information is received at the target time domain location.
  • the preset sending rule and the preset receiving rule are corresponding settings, that is, when the relay device sets the preset sending rule, the preset receiving rule needs to be set correspondingly on the remote terminal device.
  • the preset secondary synchronization signal pattern is a predefined specific sequence, that is, the entire secondary synchronization signal pattern, or a secondary synchronization signal pattern including a preset sequence, or may be a sequence set of multiple specific sequences.
  • the preset secondary synchronization signal pattern mainly has the following two situations. It should be particularly noted that the following preset secondary synchronization signal pattern is only for illustrating an example of the prior art solution, and the pre-preparation in the present invention The setting of the secondary synchronization signal pattern is not limited to the following examples:
  • the preset secondary synchronization signal pattern may be a sequence set of multiple specific sequences, that is, the entire preset secondary synchronization signal pattern is bound to the time domain location of the transmission broadcast channel, or the time domain location of multiple transmission preset sequences is transmitted and transmitted.
  • the sequence set can contain multiple types of different
  • the specific sequence depends on the length of the content of the broadcast channel. It can be seen that, according to the length of the content of the broadcast channel, a plurality of preset secondary synchronization signal patterns are set to be associated with the broadcast channel, so that the transmission mechanism is more flexible.
  • the preset secondary synchronization signal pattern is a secondary synchronization signal sequence containing a preset sequence:
  • the number of the preset secondary synchronization signal patterns is at least one, and the preset secondary synchronization signal pattern includes a preset sequence, that is, a specific sequence, and the preset mapping relationship is a time domain position of receiving the preset sequence.
  • the remote terminal device receives a mapping relationship of a time domain location of a broadcast channel, wherein the specific sequence is a sequence associated with a broadcast channel, that is, in a subframe in which the specific sequence occurs, the remote terminal device transmits a symbol in the data of the subframe Decoding is performed to achieve correct reception of broadcast channel information.
  • the preset sequence satisfies at least one of the following items:
  • the preset sequence includes at least one sequence, the at least one sequence belongs to at least one type, and the type of the sequence can be understood as a number defined for each sequence, for example, in the signal pattern CPMEQQQQ, C, P, M, E and Q represents the numbering of different types of sequences, respectively, and is merely an example for understanding the present invention, and the present invention is not limited thereto.
  • the receiving when the content of the broadcast channel is large, and the required transmission period is long, when the receiving cannot be completed in one subframe, the receiving may be completed by using multiple subframes, that is, the target time domain location may include multiple time domains.
  • Position the time domain position at the time of reception is the time domain position corresponding to the first preset sequence.
  • the preset secondary synchronization signal pattern is CPMEQQQQ (each letter represents a sequence), wherein the C sequence is set as a preset sequence, and since the content of the broadcast channel is long, it cannot be completed in the subframe corresponding to the C sequence. Transmission, so it is possible to set several sequences to the above preset sequence, for example, at least one of PMEQQQQ can be selected at the same time, or at least one sequence of PME can be selected at the same time, or at least one sequence of QQQQ can be selected at the same time, specifically selected
  • the number and type of sequences are set according to actual scenarios, and are not limited herein.
  • the remote terminal device receives broadcast channel information sent by the relay device in the target time domain location.
  • the period in which the synchronization signal is transmitted is 5 milliseconds (ms), and the period in which the PBCH is transmitted is 40 ms.
  • the preset secondary synchronization signal pattern has two types of sequences, that is, the C sequence, the P sequence, and the C sequence appears every 40 ms and appears 7
  • the arrangement of the preset secondary synchronization signal pattern may be CPPPPPPP, PCPPPPPP and other similar arrangements.
  • the subframe in which the PBCH is received (i.e., the appearance time of the PBCH) can be bound to the C sequence, indicating that the PBCH also appears in the subframe a in which the C sequence occurs.
  • the remote terminal device continues to decode other symbols in the subframe a when receiving the C sequence to obtain the content of the broadcast channel.
  • the remote terminal device may not perform decoding.
  • the remote terminal device after obtaining the subframe a corresponding to the C sequence, the remote terminal device only needs to open the receiver to receive the broadcast channel information in the subframe a, and enter the sleep state in the non-subframe a, which is effective when the synchronization state is maintained.
  • the transmission frequency of the PBCH is different from the transmission frequency of the synchronization signal, the problem of drastically increasing power consumption when receiving the subframe of the PBCH is blindly detected.
  • the relay device sends the broadcast channel information to the remote terminal device by using the preset preset sending rule, and the remote terminal device receives the secondary synchronization signal pattern, and determines that the received secondary synchronization signal pattern is preset.
  • the target time domain location is obtained according to the preset secondary synchronization signal pattern and the preset receiving rule, and then the broadcast channel sent by the relay device is received at the target time domain location, so that the remote terminal device receives the
  • the secondary synchronization signal sequence can accurately acquire the time domain location of the receiving broadcast channel, and receive the broadcast channel information only in the target time domain location, and the other time domain locations except the target time domain location are in a dormant state, thereby It achieves discontinuous reception while effectively reducing its own power consumption, extending the duration of use and improving the user experience.
  • the period of the secondary synchronization signal pattern and the period of the broadcast channel may also be related, so that the remote terminal device receives the broadcast channel information more regularly.
  • the period in which the relay device sends the secondary synchronization signal pattern is proportional to the period in which the relay device transmits the broadcast channel, for example, the period in which the synchronization signal is transmitted is S 1 (ie, the transmission of the secondary synchronization signal pattern and the transmission master)
  • S 1 the period in which the synchronization signal is transmitted
  • B 1 the period of transmitting the broadcast channel
  • M 1 the number of the auxiliary synchronization signal pattern
  • M 1 *S 1 n 1 *B 1 , and n 1 is a positive integer.
  • the period in which the remote terminal device receives the secondary synchronization signal pattern is proportional to the period in which the remote terminal device receives the broadcast channel, for example, the period of receiving the synchronization signal is S 2 (ie, receiving the secondary synchronization signal pattern and The period of receiving the primary synchronization signal pattern is S 2 ), the period of receiving the broadcast channel is B 2 , and the number of the secondary synchronization signal pattern is M 2 , then the relationship between the three is as follows:
  • M 2 *S 2 n 2 *B 2
  • n 2 is a positive integer.
  • the speed of the synchronization signal may be increased to speed up the synchronization, and the remote terminal device may quickly determine whether the preset secondary synchronization signal pattern exists, to a certain extent. Reduce power consumption. details as follows:
  • the frequency at which the relay device sends the primary synchronization signal pattern is greater than the frequency at which the relay device transmits the broadcast channel, or the frequency at which the relay device sends the secondary synchronization signal pattern is greater than that sent by the relay device The frequency of the broadcast channel.
  • the frequency at which the remote terminal device receives the primary synchronization signal pattern is greater than the frequency at which the remote terminal device receives the broadcast channel, or the frequency at which the remote terminal device receives the secondary synchronization signal pattern is greater than the far
  • the terminal device receives the frequency of the broadcast channel.
  • the remote terminal device determines that the preset sequence does not exist in the received secondary synchronization signal pattern set, it will continue to receive the next synchronization signal in the next subframe, thus requiring
  • the remote terminal device has a large cache and processing capability, that is, the hardware requirements of the remote terminal device are high.
  • the preset receiving rule further includes at least one of the following items:
  • the primary synchronization signal pattern, the identifier of the primary synchronization signal pattern, the secondary synchronization signal pattern, the identifier of the secondary synchronization signal pattern, the order of each sequence in the secondary synchronization signal pattern, and each sequence in the secondary synchronization signal pattern The number, the preset sequence, the identifier of the preset sequence, the period in which the broadcast channel is received, or the period in which the synchronization signal is received.
  • the preset sequence is replaced with the preset secondary synchronization signal pattern
  • the identifier of the preset sequence is replaced with an identifier of the preset secondary synchronization signal pattern.
  • the remote terminal device configures the preset receiving rule, for example, the sequence of each sequence in the secondary synchronization signal pattern, the number of each sequence in the secondary synchronization signal pattern, and the preset may be used. Sequence, detecting a preset secondary synchronization signal pattern containing a preset sequence, and then saving The subframe in which the preset sequence appears receives the broadcast channel information in a subframe in which the preset sequence appears.
  • the remote terminal device can detect the preset secondary synchronization signal pattern or the preset sequence more accurately and quickly, thereby reducing the receiving delay.
  • the preset sending rule further includes at least one of the following items:
  • the primary synchronization signal pattern, the identification of the primary synchronization signal pattern, the secondary synchronization signal pattern, the identification of the secondary synchronization signal pattern, the order of each sequence in the secondary synchronization signal pattern, and each sequence in the secondary synchronization signal pattern The number, the preset sequence, the identifier of the preset sequence, the period in which the broadcast channel is transmitted, or the period in which the synchronization signal is transmitted. Or replacing the identifier of the preset sequence and the preset sequence with the identifier of the preset secondary synchronization signal pattern and the preset secondary synchronization signal pattern.
  • the remote terminal device can detect the preset secondary synchronization signal pattern or the preset sequence more accurately and quickly, and reduce the receiving delay.
  • the identifier of the secondary synchronization signal pattern is a predefined (Identity, ID), the identifier of the preset sequence, and the identifier of the preset secondary synchronization signal pattern are similar, and details are not described herein.
  • each sequence in the secondary synchronization signal pattern is as follows:
  • the time of receiving the broadcast channel sent by each relay device is offset by setting the offset, so that the remote terminal device correctly receives the broadcast channel sent by all the relay devices, as follows: :
  • the preset mapping relationship is configured on the relay device and the remote terminal device respectively, as follows:
  • mapping relationship between the time domain location of sending the preset sequence and the time domain location of the sending broadcast channel is as follows:
  • the K b is a time domain location for transmitting the broadcast channel
  • the K s is a time domain location for transmitting the preset sequence
  • Mod is the remainder function
  • floor is the rounding function
  • mapping relationship between the time domain location of receiving the preset sequence and the time domain location of the receiving broadcast channel is as follows:
  • the K b is a time domain location for receiving the broadcast channel
  • the K s is a time domain location for receiving the preset sequence
  • Mod is the remainder function
  • floor is the rounding function
  • the receiving when the content of the broadcast channel is large, and the required transmission period is long, when the receiving cannot be completed in one subframe, the receiving may be completed through multiple time domain locations, thereby speeding up the broadcasting.
  • the transmission of the channel, that is, the target time domain location includes a plurality of time domain locations;
  • the relay device sends the broadcast channel information in a time domain location corresponding to at least two of the preset sequences according to a preset sending rule.
  • the remote terminal device 40 for performing the method for transmitting data in FIG. 3 in the foregoing embodiment of the present invention is described below.
  • the remote terminal device 40 includes:
  • the receiving module 401 is configured to receive a synchronization signal sent by the relay device, where the synchronization signal includes a secondary synchronization signal pattern;
  • the processing module 402 is configured to: when the preset synchronization signal pattern received by the receiving module is a preset secondary synchronization signal pattern, obtain the middle according to the preset secondary synchronization signal pattern and a preset receiving rule. The target time domain location of the broadcast channel after the device transmits the broadcast channel;
  • the receiving module 401 is configured to receive broadcast channel information sent by the relay device in the target time domain location acquired by the processing module 402.
  • the receiving module 401 receives the secondary synchronization signal pattern, and when the processing module 402 determines that the received secondary synchronization signal pattern is the preset secondary synchronization signal pattern, according to the preset secondary synchronization signal pattern and the preset
  • the receiving rule obtains the target time domain location, and then receives the broadcast channel sent by the relay device in the target time domain location, thereby achieving discontinuous reception while effectively reducing power consumption, prolonging the usage time, and improving the user experience.
  • the processing module 402 is further configured to set a preset receiving rule, where the preset receiving rule includes:
  • the first time domain location is a time domain location of the preset secondary synchronization signal pattern
  • the second time domain location is Receiving a time domain location of the broadcast channel
  • the processing module 402 is specifically configured to:
  • the preset receiving rule set by the processing module 402 further includes at least one of the following items:
  • the primary synchronization signal pattern, the identification of the primary synchronization signal pattern, the secondary synchronization signal pattern, the identification of the secondary synchronization signal pattern, the order of each sequence in the secondary synchronization signal pattern, and each sequence in the secondary synchronization signal pattern The number, the preset sequence, the identifier of the preset sequence, the period in which the broadcast channel is received, or the period in which the synchronization signal is received.
  • the processing module 402 is specifically configured to: when the number of the preset secondary synchronization signal patterns is at least one, and the preset secondary synchronization signal pattern includes a preset sequence,
  • the preset mapping relationship is a mapping relationship between the time domain location of receiving the preset sequence and the time domain location of the receiving broadcast channel.
  • the preset sequence satisfies at least one of the following items:
  • the number of the preset sequences is at least one, and the preset sequence includes at least one type of sequence.
  • the period in which the receiving module 401 receives the secondary synchronization signal pattern is proportional to the period in which the receiving module 401 receives the broadcast channel.
  • the synchronization signal received by the receiving module 401 further includes a primary synchronization signal pattern, and the receiving module 401 receives the primary synchronization signal pattern at a frequency greater than the receiving module 401 receives the The frequency of the broadcast channel, or the frequency at which the receiving module 401 receives the secondary synchronization signal pattern is greater than the frequency at which the receiving module 401 receives the broadcast channel.
  • the preset first time domain location and the second set by the processing module 402 are The mapping of time domain locations is shown in the following formula:
  • the relay device 50 includes:
  • the sending module 501 is configured to send a synchronization signal to the remote terminal device, where the synchronization signal includes a preset secondary synchronization signal pattern;
  • the relay device further includes a processing module 502, configured to configure a preset sending rule.
  • the sending module 501 is further configured to send broadcast channel information to the remote terminal device according to the preset sending rule configured by the processing module 502, where the preset sending rule includes a preset first time domain location and a first A mapping relationship between the two time domain locations, where the first time domain location is a time domain location for transmitting the preset secondary synchronization signal pattern, and the second time domain location is a time domain location for transmitting a broadcast channel.
  • the preset sending rule includes a preset first time domain location and a first A mapping relationship between the two time domain locations, where the first time domain location is a time domain location for transmitting the preset secondary synchronization signal pattern, and the second time domain location is a time domain location for transmitting a broadcast channel.
  • the preset sending rule further includes at least one of the following items:
  • the primary synchronization signal pattern, the identifier of the primary synchronization signal pattern, the secondary synchronization signal pattern, the identifier of the secondary synchronization signal pattern, the order of each sequence in the secondary synchronization signal pattern, and the secondary synchronization signal The number of each sequence in the number pattern, the preset sequence, the identification of the preset sequence, the period in which the broadcast channel information is transmitted, and the period in which the synchronization signal is transmitted.
  • the sending module 501 sends the broadcast channel information to the remote terminal device by using the preset sending rule pre-configured by the processing module 502, and the remote terminal device receives the secondary synchronization signal pattern, and determines the received secondary synchronization signal pattern.
  • the secondary synchronization signal pattern is preset
  • the target time domain location is obtained according to the preset secondary synchronization signal pattern and the preset receiving rule, and then the broadcast channel sent by the relay device is received at the target time domain location to implement discontinuous reception. At the same time, it effectively reduces its own power consumption, prolongs the use time and improves the user experience.
  • the mapping relationship is set to a mapping relationship between a time domain location in which the preset sequence is transmitted and a time domain location in which a broadcast channel is transmitted.
  • the preset sequence satisfies at least one of the following items:
  • the number of the preset sequences is at least one, and the preset sequence includes at least one type of sequence.
  • a period in which the sending module 501 sends the secondary synchronization signal pattern is proportional to a period in which the sending module 501 sends the broadcast channel.
  • the synchronization signal sent by the sending module 501 further includes a primary synchronization signal pattern, and the frequency of the primary synchronization signal pattern sent by the sending module 501 is greater than that sent by the sending module 501.
  • the frequency of the broadcast channel, or the frequency at which the transmitting module 501 transmits the secondary synchronization signal pattern is greater than the frequency at which the transmitting module 501 transmits the broadcast channel.
  • the sending module 501 when the sending module 501 sends the broadcast channel information to the remote terminal device, the sending module 501 sends the time domain location of the preset sequence to the sending module.
  • the mapping relationship of the time domain location of the broadcast channel is as follows:
  • an embodiment of the present invention provides a communication system, which includes the remote terminal device 40 described in FIG. 4 above, and the foregoing in FIG. 5 and FIG. 5-1. Following the device 50.
  • the communication system has the function of implementing the behavior of the communication system in practice in the above method.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the present invention also provides a computer storage medium storing a program that, when executed, includes some or all of the steps of the method of transmitting data described above.
  • the present invention also provides a computer storage medium storing a program, the program including some or all of the steps of the remote terminal device or the relay device performing a method of transmitting data.
  • FIG. 6 is another schematic structural diagram of a remote terminal device 60 according to an embodiment of the present invention.
  • the remote terminal device 60 can include at least one network interface or other communication interface, at least one receiver 601, at least one transmitter 602, and at least one processor 603, wherein the receiver 601, the transmitter 602, and the processor 603 communicate over a bus connection.
  • a receiver 601 configured to receive a synchronization signal sent by the relay device, where the synchronization signal includes a secondary synchronization signal pattern;
  • the processor 603 is configured to determine whether the secondary synchronization signal pattern received by the receiver 601 is a preset secondary synchronization signal pattern, and acquire the relay device according to the preset secondary synchronization signal pattern and a preset receiving rule.
  • the receiver 601 is further configured to receive broadcast channel information sent by the relay device at the target time domain location acquired by the processor 603.
  • the processor 603 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc., and may also be a digital signal processor (DSP), an application specific integrated circuit (ASIC). ), field programmable gate array (FPGA) or Other programmable logic devices, etc.
  • CPU central processing unit
  • NP network processor
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • Other programmable logic devices etc.
  • the remote terminal device 60 when the processor 603 is a CPU, the remote terminal device 60 further includes a memory for storing a program and providing instructions and data to the processor 603.
  • the program can include program code, the program code including computer operating instructions.
  • the memory may include random access memory (RAM), and may also include non-volatile memory, such as at least one disk storage.
  • the processor 603 executes the program code stored in the memory to implement the above functions.
  • the memory stores the following elements, executable modules or data structures, or a subset of them, or their extended set:
  • Operation instructions include various operation instructions for implementing various operations.
  • Operating system Includes a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the processor 603 is further configured to perform the following operations:
  • the preset receiving rule includes: a mapping relationship between a preset first time domain location and a second time domain location, where the first time domain location is a time domain location of the preset secondary synchronization signal pattern.
  • the second time domain location is a time domain location for receiving a broadcast channel.
  • the preset mapping relationship is that the preset sequence is received.
  • the preset sequence satisfies at least one of the following items:
  • the number of the preset sequences is at least one, and the preset sequence includes at least one type of sequence.
  • a period in which the receiving module receives the secondary synchronization signal pattern is proportional to a period in which the receiving module receives the broadcast channel.
  • the synchronization signal received by the receiving module further includes a primary synchronization signal pattern, and the receiving module receives the primary synchronization signal pattern at a frequency greater than the receiving module receiving the broadcast channel.
  • the frequency, or the frequency at which the receiving module receives the secondary synchronization signal pattern is greater than the frequency at which the receiving module receives the broadcast channel.
  • the preset receiving rule set by the processing module further includes at least one of the following items:
  • the primary synchronization signal pattern, the identification of the primary synchronization signal pattern, the secondary synchronization signal pattern, the identification of the secondary synchronization signal pattern, the order of each sequence in the secondary synchronization signal pattern, and each sequence in the secondary synchronization signal pattern The number, the preset sequence, the identifier of the preset sequence, the period in which the broadcast channel is received, or the period in which the synchronization signal is received.
  • the mapping relationship between the preset first time domain location and the second time domain location set by the processing module is as follows: Show:
  • FIG. 7 is another schematic structural diagram of a relay device 70 according to an embodiment of the present invention.
  • the relay device 70 may include at least one network interface or other communication interface, at least one receiver 701, at least one transmitter 702, at least one processor 703, and a memory 704, wherein the receiver 701, the transmitter 702, the processor 703, and The memory 704 is connected by bus communication.
  • the transmitter 702 is configured to send a synchronization signal to the remote terminal device, where the synchronization signal includes a preset secondary synchronization signal pattern;
  • the processor 703 is configured to configure a preset sending rule.
  • the transmitter 702 is further configured to send broadcast channel information to the remote terminal device according to a preset sending rule, where the preset sending rule includes a mapping relationship between a preset first time domain location and a second time domain location.
  • the first time domain location is a time domain location for transmitting the preset secondary synchronization signal pattern
  • the second time domain location is a time domain location for transmitting a broadcast channel.
  • the processor 703 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc., and may also be a digital signal processor (DSP) or an application specific integrated circuit (ASIC). ), field programmable gate array (FPGA) or other programmable logic devices.
  • CPU central processing unit
  • NP network processor
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the relay device 70 when the processor 703 is a CPU, the relay device 70 further includes a memory for storing a program and providing instructions and data to the processor 703.
  • the program can include program code, the program code including computer operating instructions.
  • the memory may include random access memory (RAM), and may also include non-volatile memory, such as at least one disk storage.
  • the processor 703 executes the program code stored in the memory to implement the above functions.
  • the memory stores the following elements, executable modules or data structures, or a subset of them, or their extended set:
  • Operation instructions include various operation instructions for implementing various operations.
  • Operating system Includes a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the preset mapping relationship is preset. The mapping relationship between the time domain location of the preset sequence and the time domain location of the transmitting broadcast channel is sent.
  • the preset sequence satisfies at least one of the following items:
  • the number of the preset sequences is at least one, and the preset sequence includes at least one type of sequence.
  • a period in which the sending module sends the secondary synchronization signal pattern is proportional to a period in which the sending module sends the broadcast channel.
  • the synchronization signal sent by the sending module further includes a primary synchronization signal pattern, and the frequency at which the sending module sends the primary synchronization signal pattern is greater than a frequency at which the sending module sends the broadcast channel, or the sending module The frequency of transmitting the secondary synchronization signal pattern is greater than the frequency at which the transmitting module sends the broadcast channel.
  • the preset sending rule further includes at least one of the following items:
  • the primary synchronization signal pattern, the identification of the primary synchronization signal pattern, the secondary synchronization signal pattern, the identification of the secondary synchronization signal pattern, the order of each sequence in the secondary synchronization signal pattern, and each sequence in the secondary synchronization signal pattern The number, the preset sequence, the identifier of the preset sequence, the period in which the broadcast channel information is transmitted, or the period in which the synchronization signal is transmitted.
  • mapping relationship between the time domain location in which the sending module sends the preset sequence and the time domain location in which the sending module sends the broadcast channel is as follows:
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely 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 or 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, device or unit, and may be in an 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 purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention 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 above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention is essential or the part contributing to the prior art or the entire technical solution.
  • the portion or portion may be embodied in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the various aspects of the present invention. All or part of the steps of the method described in the examples.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

Abstract

本发明提供了一种传输数据的方法、相关设备及系统，该方法包括：远端终端设备接收中继设备发送的同步信号，所述同步信号包括辅同步信号图样，在确定所述辅同步信号图样为预设辅同步信号图样时，根据所述预设辅同步信号图样和预设接收规则获取所述中继设备发送广播信道信息的目标时域位置，然后在所述目标时域位置接收所述中继设备发送的广播信道，实现非连续性接收的同时有效降低自身功耗，延长使用时长，提高用户体验。

Description

传输数据的方法、相关设备及系统 技术领域
本发明涉及无线通信技术领域，尤其涉及无线通信系统中的传输数据的方法、相关设备及系统。
背景技术
目前设备到设备(D2D，device to device)通信技术已广泛运用在网络覆盖薄弱的地区，通过D2D通信，设备与设备之间可以不经过基站或网络即可实现直接通信。例如在网络覆盖之外的设备想要与网络侧建立通信，需要通过在网络覆盖内的设备(即中继设备)与网络侧建立连接。目前可穿戴设备(例如智能眼镜、智能手表或运动手环等)要与网络侧建立通信，也需要通过中继设备(例如智能手机、平板电脑等)与网络侧建立通信。
可穿戴设备在与中继设备进行D2D通信中，需要根据接收到的中继设备发送的同步信号与中继设备建立同步，在建立同步之后才可以在当前的同步子帧内接收中继设备发送的广播信道。由于中继设备每40毫秒发送一次同步信号和广播信道，从而可穿戴设备与中继设备需要频繁进行同步操作，可穿戴设备消耗电量较快，从而造成可穿戴设备在进行D2D通信时，功耗过大。另外，可穿戴设备储能容量一般较小，造成使用时长有限，功耗过大的问题，从而导致可穿戴设备的使用时长更短。
发明内容
本发明提供了一种传输数据的方法、相关设备及系统，能够解决可穿戴设备在进行D2D通信时功耗较大的问题。
本发明第一方面提供了一种传输数据的方法，本方法包括：
远端终端设备接收中继设备发送的同步信号，所述同步信号包括辅同步信号图样；
所述远端终端设备确定所述辅同步信号图样为预设辅同步信号图样时，则根据所述预设辅同步信号图样和预设接收规则获取所述中继设备发送广播信 道的目标时域位置；
所述远端终端设备在所述目标时域位置接收所述中继设备发送的广播信道信息。实现了远端终端设备通过接收到的辅同步信号序列，即可准确地获取接收广播信道信息的时域位置，并只在该目标时域位置接收广播信道信息，在除目标时域位置之外的其他时域位置处于休眠状态，从而实现非连续性接收的同时有效降低自身功耗，延长使用时长，提高用户体验。
在一个可能的设计中，所述预设接收规则包括：
预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为所述远端终端设备接收所述预设辅同步信号图样的时域位置，所述第二时域位置为所述远端终端设备接收广播信道的时域位置；
所述根据所述预设辅同步信号图样和预设接收规则获取所述中继设备发送广播信道信息的目标时域位置，包括：
所述远端终端设备根据所述预设辅同步信号图样和所述预设的映射关系确定至少一个所述预设序列对应的所述目标时域位置。通过预先配置预设的映射关系，远端终端设备可以精确地获取接收广播信道信息的时域位置，不用盲目检测，也可以实现非连续性接收的功能，且在出现该目标时域位置时，才打开接收机，接收广播信道信息，从而达到降低功耗，延长使用时长的效果
在一个可能的设计中，当所述预设辅同步信号图样的个数为至少一个，且所述预设辅同步信号图样包括预设序列，则所述预设的映射关系为接收所述预设序列的时域位置与接收广播信道的时域位置的映射关系。根据广播信道内容的长短，设置多个预设辅同步信号图样与广播信道关联，使传输机制更加灵活。
在一个可能的设计中，所述预设序列满足以下项中的至少一项：
所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序列。通过将多个预设序列将广播信道关联，实现在广播信道的内容较多，无法在一个子帧内完成接收时，通过多个子帧完成接收。
在一个可能的设计中，所述远端终端设备接收辅同步信号图样的周期，与所述远端终端设备接收所述广播信道的周期成正比。通过将两者的周期设置为正比，使得远端终端设备接收广播信道信息更有规律性。
在一个可能的设计中，所述同步信号还包括主同步信号图样，所述远端终 端设备接收所述主同步信号图样的频率大于所述远端终端设备接收所述广播信道的频率，或所述远端终端设备接收所述辅同步信号图样的频率大于所述远端终端设备接收所述广播信道的频率。通过增加接收同步信号的密度以加快同步的速度，使得远端终端设备可以迅速的检测出是否存在上述预设辅同步信号图样或预设序列，从而可以减少耗电量。
在一个可能的设计中，所述预设接收规则还包括以下项中的至少一项：
所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、辅同步信号图样中每个序列的排列顺序、辅同步信号图样中每个序列的编号、所述预设序列、所述预设序列的标识、接收所述广播信道的周期或者接收所述同步信号的周期。通过在预设接收规则定义多个参数，使得远端终端设备可以更精确、更快的检测出预设辅同步信号图样或预设序列，减少接收时延。
在一个可能的设计中，在所述远端终端设备接收多个所述中继设备发送的广播信道信息时，所述接收所述预设序列的时域位置与接收广播信道的时域位置的映射关系如下公式所示：
Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb为接收所述广播信道的时域位置，所述Ks为接收所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
在一个可能的设计中，所述目标时域位置包括多个时域位置。实现在广播信道的内容较多，无法在一个子帧内完成接收时，可以通过多个时域位置完成接收，加快广播信道的传输。
本发明第二方面提供一种传输数据的方法，所述方法包括：
中继设备向远端终端设备发送同步信号，所述同步信号包括预设辅同步信号图样；
所述中继设备按照预设发送规则向所述远端终端设备发送广播信道信息，所述预设发送规则包括预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为所述中继设备发送所述预设辅同步信号图样的时域位置，所述第二时域位置为所述中继设备发送广播信道的时域位置。
在一个可能的设计中，当所述预设辅同步信号图样的个数为至少一个，且所述预设辅同步信号图样包括预设序列，则预设的所述映射关系为发送所述预设序列的时域位置与发送广播信道的时域位置的映射关系。根据广播信道内容的长短，设置多个预设辅同步信号图样与广播信道关联，使传输机制更加灵活。
在一个可能的设计中，所述预设序列满足以下项中的至少一项：
所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序列。通过将多个预设序列将广播信道关联，实现在广播信道的内容较多，无法在一个子帧内完成接收时，通过多个时域位置完成接收。
在一个可能的设计中，所述中继设备发送所述辅同步信号图样的周期，与所述中继设备发送所述广播信道的周期成正比。通过将两者的周期设置为正比，使得远端终端设备接收广播信道信息更有规律性。
在一个可能的设计中，所述同步信号还包括主同步信号图样，所述中继设备发送所述主同步信号图样的频率大于所述中继设备发送所述广播信道的频率，或所述中继设备发送所述辅同步信号图样的频率大于发送所述广播信道的频率。通过增加发送同步信号的密度以加快同步的速度，并且使得远端终端设备可以迅速的判断是否存在上述预设辅同步信号图样或预设序列，一定程度上可以减少耗电量。
在一个可能的设计中，所述预设发送规则还包括以下项中的至少一项：
所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、发送广播信道信息的周期或者发送所述同步信号的周期。通过在预设发送规则定义与远端终端设备对应设置的多个参数，使得远端终端设备可以更精确、更快的检测出预设辅同步信号图样或预设序列，减少接收时延。
在一个可能的设计中，在多个所述中继设备向所述远端终端设备发送广播信道信息时，所述发送所述预设序列的时域位置与发送广播信道的时域位置的映射关系如下公式所示：
Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb为发送所述广播信道的时域位置，所述Ks为发送所述预设序列的时域位置， Mod为求余函数，floor为向下取整函数。通过设置偏移量将接收每个中继设备发送的广播信道的时间错开，实现存在多个中继设备向远端终端设备发送广播信道信息时，远端终端设备正确接收所有中继设备发送的广播信道，避免接收受到干扰。
在一个可能的设计中，所述目标时域位置包括多个时域位置；
所述中继设备按照预设发送规则和所述至少一个辅同步信号图样中的预设辅同步信号图样向所述远端终端设备发送广播信道信息，包括：
所述中继设备在至少两个所述预设序列对应的时域位置传输所述广播信道。实现在广播信道的内容较多，无法在一个子帧内完成接收时，可以通过多个时域位置完成接收，加快广播信道的传输。
本发明第三方面提供了一种远端终端设备，所述远端终端设备包括：
接收模块，用于接收中继设备发送的同步信号，所述同步信号包括辅同步信号图样；
处理模块，用于确定所述接收模块接收的所述辅同步信号图样为预设辅同步信号图样时，根据所述预设辅同步信号图样和预设接收规则获取所述中继设备发送广播信道的目标时域位置；
所述接收模块，用于在所述处理模块获取的所述目标时域位置接收所述中继设备发送的广播信道信息。
该远端终端设备具有实现上述方法设计中远端终端设备行为的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。所述模块可以是软件和/或硬件。
本发明第四方面提供了一种中继设备，所述中继设备包括：
发送模块，用于向远端终端设备发送同步信号，所述同步信号包括预设辅同步信号图样；
所述发送模块，还用于按照预设发送规则向所述远端终端设备发送广播信道信息，所述预设发送规则包括预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为发送所述预设辅同步信号图样的时域位置，所述第二时域位置为发送广播信道的时域位置。
该中继设备具有实现上述方法设计中中继设备行为的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。所述模块可以是软件和/或硬件。
本发明第五方面提供了一种通信系统，所述通信系统包括上述第三方面所述的远端终端设备和第四方面所述的中继设备。
相较于现有技术，本发明提供的方案，通过先判断接收到的辅同步信号图样为预设辅同步信号图样时，根据所述预设辅同步信号图样和预设接收规则获取上述目标时域位置，然后在该目标时域位置接收中继设备发送的广播信道，实现了远端终端设备通过接收到的辅同步信号图样即可准确地获取接收广播信道信息的时域位置，并只在该目标时域位置接收广播信道信息，在其他时域位置处于休眠，实现非连续性接收的同时有效降低自身功耗，延长使用时长，提高用户体验。
附图说明
图1为本发明实施例中D2D通信时使用的帧的一种结构示意图；
图2为本发明实施例中D2D通信时使用的帧的另一种结构示意图；
图3为本发明实施例中一种传输数据的方法的流程图；
图4为本发明实施例中远端终端设备的一种结构图；
图5为本发明实施例中中继设备的一种结构图；
图5-1为本发明实施例中中继设备的另一种结构图；
图5-2为本发明实施例中通信系统的一种结构图；
图6为本发明实施例中远端终端设备的另一种结构图；
图7为本发明实施例中中继设备的另一种结构图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例，基于本发明中的实施例，本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的实施例能够以除了在这里图示或描述的内容以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或模块的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或模块，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或模块，本文中所出现的模块的划分，仅仅是一种逻辑上的划分，实际应用中实现时可以有另外的划分方式，例如多个模块可以结合成或集成在另一个系统中，或一些特征可以忽略，或不执行，另外，所显示的或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，模块之间的间接耦合或通信连接可以是电性或其他类似的形式，本文中均不作限定。并且，作为分离部件说明的模块或子模块可以是也可以不是物理上的分离，可以是也可以不是物理模块，或者可以分不到多个电路模块中，可以根据实际的需要选择其中的部分或全部模块来实现本发明实施例方案的目的。
本发明实施例提供了一种传输数据的方法、相关设备及系统，主要应用于D2D通信。以下对本文中所出现的技术名词进行详细说明。
本文中的远端终端设备是指处于小区覆盖范围内(通常处于小区边缘)的设备或小区覆盖范围之外的终端设备，例如可以是穿戴设备(如智能眼镜、智能手环或智能手表等储能容量较小的终端设备)，中继设备是指为远端终端设备提供中继服务的终端设备。其中，远端终端设备需要通过与中继设备建立D2D通信，才能与网络建立连接，进行通信。在两者进行D2D通信时，中继设备会周期性的向远端终端设备发送同步信号和广播信道，使得远端终端设备可以根据该同步信号与中继设备同步，做好接收广播信道信息的准备。
其中，需要特别说明的是，本发明实施例涉及的终端设备，可以是指向用户提供语音和/或数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备。无线终端可以经无线接入网(RAN Radio Access Network)与一个或多个核心网进行通信，无线终端可以是移动 终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。例如，个人通信业务(PCS，Personal Communication Service)电话、无绳电话、会话发起协议(SIP)话机、无线本地环路(WLL，Wireless Local Loop)站、个人数字助理(PDA，Personal Digital Assistant)等设备。无线终端也可以称为系统、订户单元(Subscriber Unit)、订户站(Subscriber Station)，移动站(Mobile Station)、移动台(Mobile)、远程站(Remote Station)、接入点(Access Point)、远程终端(Remote Terminal)、接入终端(Access Terminal)、用户终端(User Terminal)、终端设备、用户代理(User Agent)、终端设备(User Device)、或用户装备(User Equipment)。
远端终端设备与中继设备进行D2D通信时所使用的帧结构如图1(也适用于其他帧结构)所示，图中的S表示发送包含同步信号的子帧，D表示中继设备给远端终端设备发送数据的子帧，U表示远端终端设备给中继设备发送数据的子帧。另外，在发送物理广播信道(PBCH，physical boadcast channel)时，在时域上PBCH的时域位置如图2所示。
其中，同步信号主要包括主同步信号(PSS，synchronization signal)和辅同步信号(SSS，secondary synchronization signal)，在远端终端设备接入中继设备过程中，需要搜索这两个信号，其中，PSS使用自相关特性(ZC，zadoff-chu)序列产生，用于区别扇区，SSS使用伪随机序列产生，用于区别基站。
由于远端终端设备在和中继设备通信过程中，远端终端设备功耗较大，为减少远端终端设备功耗，本发明实施例主要提供以下解决技术方案：
1、预先在中继设备上配置发送广播信道的时域位置与发送预设辅同步信号图样的时域位置的映射关系，以及在远端终端设备上配置接收广播信道的时域位置与接收预设辅同步信号图样的时域位置的映射关系，这两个映射关系为对应设置，可以由网络侧设备配置，例如基站，移动性管理实体(MME，Mobile Management Entity)，接近业务实体(ProSeFunction，Proximity Services Function)等配置，也可是预配置在远端终端设备与中继设备中，另外，本文 中的辅同步信号图样由多个序列构成。
2、远端终端设备在接收到辅同步信号图样后，在判断该辅同步信号图样中存在预先定义的上述预设辅同步信号图样后，根据预设辅同步信号图样和上述接收广播信道的时域位置与接收预设辅同步信号图样的时域位置的映射关系获取接收广播信道的目标时域位置，然后再该目标时域位置接收广播信道信息。
通过这种方式远端终端设备可以精确地获取接收广播信道的时域位置，不用盲目检测，也可以实现非连续性接收的功能，且在出现该目标时域位置时，才打开接收机，接收广播信道信息，从而达到降低功耗，延长使用时长的效果。
可以理解的是，本发明的技术方案可以应用的场景包括：通信双方或通信多方都在蜂窝网络覆盖内，或都在蜂窝网络覆盖外，或中继设备在蜂窝网络覆盖内，远端终端设备在蜂窝网络覆盖外等场景。另外D2D通信中，接收者和发送者可能使用的频点包括蜂窝网络分配的，或预先配置在接收者和发送者内部的，例如授权频谱或非授权频谱等。
请参照图3，以下对本发明实施例中的一种传输数据的方法进行描述，本发明实施例包括：
101、中继设备向远端终端设备发送同步信号。
其中，所述同步信号包括预设辅同步信号图样。
所述同步信号包括辅同步信号图样集合，所述辅同步信号图样集合包括至少一个辅同步信号图样，可选的，所述同步信号还包括一个主同步信号图样，所述主同步信号图样用于指示所述远端终端设备与所述中继设备同步，且只有一个主同步信号图样，远端终端设备只需要与中继设备进行一次同步即可，有效减少由于频繁同步所需的功耗。
102、远端终端设备接收中继设备发送的同步信号。
由于同步信号由多个序列组成，远端终端设备根据序列的正交特性，对同步信号进行相干检测，从而正确接收上述同步信号。
103、所述中继设备按照预设发送规则向所述远端终端设备发送广播信道信息。
其中，所述预设发送规则包括：
预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为所述中继设备发送所述预设辅同步信号图样的时域位置，所述第二时域位置为所述中继设备发送广播信道的时域位置。
104、所述远端终端设备确定所述辅同步信号图样为预设辅同步信号图样时，则根据所述预设辅同步信号图样和预设接收规则获取所述中继设备发送广播信道的目标时域位置。
其中，目标时域位置可以理解为子帧或时域资源，可知，远端终端设备在获取所述目标时域位置后，便可使用所述目标时域位置对应的时域资源，在广播信道接收所述中继设备发送的广播信道信息，接收到广播信道信息后，远端终端设备便与中继设备建立通信连接，从而实现通过网络覆盖内的中继设备接入网络侧。
另外，所述预设接收规则可以包括：
预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为所述远端终端设备接收所述预设辅同步信号图样的时域位置，所述第二时域位置为所述远端终端设备接收广播信道的时域位置，从而，所述远端终端设备可以根据预设序列和所述预设的映射关系确定至少一个所述预设序列对应的所述目标时域位置，然后在所述目标时域位置接收广播信道信息。
可以理解的是，预设发送规则与预设接收规则为对应设置，即在中继设备设置预设发送规则时，需要在远端终端设备对应设置预设接收规则。
可选的，预设辅同步信号图样为预先定义的特定序列，即可以是整个辅同步信号图样，也可以是包含预设序列的辅同步信号图样，或者可以是多个特定序列的序列集合。
举例来说，关于预设辅同步信号图样主要有以下两种情况，需要特别说明的是，下述预设辅同步信号图样仅是为了说明本发技术方案所举的例子，本发明中的预设辅同步信号图样包括并不限于下述举例：
1、当预设辅同步信号图样为辅同步信号序列时：
该预设辅同步信号图样可以是多个特定序列的序列集合，即将整个预设辅同步信号图样与发送广播信道的时域位置绑定，或者将多个发送预设序列的时域位置与发送广播信道的时域位置绑定，该序列集合可以包含多个类型不同的 特定序列，具体根据广播信道的内容的长度而定。可知，根据广播信道内容的长短，设置多个预设辅同步信号图样与广播信道关联，使传输机制更加灵活。
2、当预设辅同步信号图样为包含预设序列的辅同步信号序列时：
所述预设辅同步信号图样的个数为至少一个，所述预设辅同步信号图样包括预设序列即特定序列，则上述预设的映射关系为接收所述预设序列的时域位置与接收广播信道的时域位置的映射关系，其中，所述特定序列为与广播信道关联的序列，即在出现所述特定序列的子帧，远端终端设备便会在这个子帧的数据发送符号进行解码，实现正确接收广播信道信息。
其中，所述预设序列满足以下项中的至少一项：
所述预设序列包括至少一个序列，所述至少一个序列属于至少一种类型，序列的类型可以理解为为每个序列定义的编号，例如，信号图样CPMEQQQQ中，C、P、M、E及Q分别代表不同类型的序列的编号，这仅是为理解本发明所举的例子，本发明包括并不限于此。
可选的，在广播信道的内容较多，所需传输周期较长时，无法在一个子帧内完成接收时，可以通过多个子帧完成接收，即上述目标时域位置可以包括多个时域位置，接收时起始的时域位置为第一个预设序列所对应的时域位置。
举例来说，例如预设辅同步信号图样为CPMEQQQQ(每个字母代表一个序列)，其中设定C序列为预设序列，由于广播信道的内容较长，无法在C序列对应的子帧内完成传输，故可以多设定几个序列为上述预设序列，如可以同时选择PMEQQQQ中的至少一个序列，或者同时选择PME中的至少一个序列，或者同时选择QQQQ中的至少一个序列，具体选择的序列的数目及类型根据实际场景设定，本文不作限定。
105、所述远端终端设备在所述目标时域位置接收所述中继设备发送的广播信道信息。
以下以包含C序列的预设辅同步信号图样为例进行说明：
例如，发送同步信号的周期为5毫秒(ms)，发送PBCH的周期为40ms。当预设辅同步信号图样的重复周期与广播信道的重复周期相同时，预设辅同步信号图样有2种类型的序列，即C序列，P序列，则每40ms会出现一次C序列以及出现7次P序列，则预设辅同步信号图样的排列方式可以是CPPPPPPP、 PCPPPPPP等类似排列方式。可将接收PBCH的子帧(即PBCH的出现时间)与C序列绑定，则表明在C序列出现的子帧a内PBCH也出现。这样，远端终端设备在收到C序列时继续解码该子帧a内的其他符号以获得广播信道的内容，在非C序列出现的子帧时，远端终端设备可以不进行解码。
由此可见，远端终端设备在获得C序列对应的子帧a后，在保持同步状态时，只需要在子帧a打开接收机接收广播信道信息，而在非子帧a进入休眠态，有效避免现有技术中在PBCH的发送频率与同步信号的发送频率不同时，盲目检测接收PBCH的子帧时急剧增加的功耗的问题。
本发明实施例中，中继设备利用预先配置的预设发送规则，向远端终端设备发送广播信道信息，远端终端设备接收辅同步信号图样，在确定接收到的辅同步信号图样为预设辅同步信号图样时，根据预设辅同步信号图样和预设接收规则获取上述目标时域位置，然后在该目标时域位置接收中继设备发送的广播信道，实现了远端终端设备通过接收到的辅同步信号序列，即可准确地获取接收广播信道的时域位置，并只在该目标时域位置接收广播信道信息，在除目标时域位置之外的其他时域位置处于休眠状态，从而实现非连续性接收的同时有效降低自身功耗，延长使用时长，提高用户体验。
可选的，在一些发明实施例中，还可以对辅同步信号图样的周期和广播信道的周期进行相关设置，使得远端终端设备接收广播信道信息更有规律性。
对于中继设备：
所述中继设备发送所述辅同步信号图样的周期，与所述中继设备发送所述广播信道的周期成正比，例如发送同步信号的周期为S1(即发送辅同步信号图样和发送主同步信号图样的周期均为S1)，发送广播信道的周期为B1，辅同步信号图样的数目为M1，则三者的关系由如下公式所示：
M1*S1＝n1*B1，n1为正整数。
对于远端终端设备：
所述远端终端设备接收所述辅同步信号图样的周期，与所述远端终端设备接收所述广播信道的周期成正比，例如接收同步信号的周期为S2(即接收辅同步信号图样和接收主同步信号图样的周期均为S2)，接收广播信道的周期为 B2，辅同步信号图样的数目为M2，则三者的关系由如下公式所示：
M2*S2＝n2*B2，n2为正整数。
可选的，在一些发明实施例中，还可以通过增加发送同步信号的密度以加快同步的速度，并且使得远端终端设备可以迅速的判断是否存在上述预设辅同步信号图样，一定程度上可以减少耗电量。具体如下：
对于中继设备：
所述中继设备发送所述主同步信号图样的频率大于所述中继设备发送所述广播信道的频率，或所述中继设备发送所述辅同步信号图样的频率大于所述中继设备发送所述广播信道的频率。
对于远端终端设备：
所述远端终端设备接收所述主同步信号图样的频率大于所述远端终端设备接收所述广播信道的频率，或所述远端终端设备接收所述辅同步信号图样的频率大于所述远端终端设备接收所述广播信道的频率。
另外，当发送同步信号的密度较大时，如果远端终端设备判断所接收到的辅同步信号图样集合中不存在上述预设序列，则会继续在下一个子帧接收下一个同步信号，这样需要远端终端设备具备较大的缓存以及处理能力，即对远端终端设备的硬件要求较高。
可选的，在一些发明实施例中，所述预设接收规则还包括以下项中的至少一项：
上述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、接收广播信道的周期或者接收所述同步信号的周期。可选的，或者将其中的所述预设序列替换为所述预设辅同步信号图样，将所述预设序列的标识替换为预设辅同步信号图样的标识。可知，远端终端设备配置所述预设接收规则后，例如，可以根据所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号及所述预设序列，检测出包含预设序列的预设辅同步信号图样，然后保存 所述预设序列出现的子帧，在后续所述预设序列出现的子帧内接收广播信道信息。通过在预设接收规则定义多个参数，使得远端终端设备可以更精确、更快的检测出预设辅同步信号图样或预设序列，减少接收时延。
相应的，所述预设发送规则还包括以下项中的至少一项：
所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、发送广播信道的周期或者发送所述同步信号的周期。或者将其中的所述预设序列、预设序列的标识替换为所述预设辅同步信号图样、预设辅同步信号图样的标识。通过在预设发送规则定义与远端终端设备对应设置的多个参数，使得远端终端设备可以更精确、更快的检测出预设辅同步信号图样或预设序列，减少接收时延。
其中，辅同步信号图样的标识即预定义的(Identity，ID)，预设序列的标识以及预设辅同步信号图样的标识类似，不再赘述。
举例来说，所述辅同步信号图样中每个序列的排列顺序如下表所示：
排列索引 序列的排列顺序
1 CPME
2 PMEC
3 MECP
4 ECPM
可选的，在一些发明实施例中，有时会存在多个中继设备向远端终端设备发送广播信道信息，对接收造成一定干扰，若这个中继设备使用了相同的时域资源，且发送广播信道信息的时间相同，会导致远端终端设备无法接收任何一个中继设备发送的广播信道。为避免出现此类问题，本实施例中通过设置偏移量将接收每个中继设备发送的广播信道的时间错开，以实现远端终端设备正确接收所有中继设备发送的广播信道，具体如下：
在多个所述中继设备向所述远端终端设备发送广播信道信息时，分别在中继设备和远端终端设备上对应配置预设的映射关系，具体如下：
1、对于中继设备：
所述发送所述预设序列的时域位置与发送广播信道的时域位置的映射关系如下公式所示：
Kb＝Ks+nMod10
其中，n为1至X＝floor(B，S)之间的自然数，所述Kb为发送所述广播信道的时域位置，所述Ks为发送所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
2、对于远端终端设备：
所述接收所述预设序列的时域位置与接收广播信道的时域位置的映射关系如下公式所示：
Kb＝Ks+nMod10
其中，n为1至X＝floor(B，S)之间的自然数，所述Kb为接收所述广播信道的时域位置，所述Ks为接收所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
可选的，在一些发明实施例中，在广播信道的内容较多，所需传输周期较长时，无法在一个子帧内完成接收时，可以通过多个时域位置完成接收，从而加快广播信道的传输，即所述目标时域位置包括多个时域位置；
所述中继设备按照预设发送规则，在至少两个所述预设序列对应的时域位置发送所述广播信道信息。
请参照图4，以下对本发明实施例中用于执行上述图3中传输数据的方法的远端终端设备40进行描述，所述远端终端设备40包括：
接收模块401，用于接收中继设备发送的同步信号，所述同步信号包括辅同步信号图样；
处理模块402，用于确定所述接收模块接收的所述辅同步信号图样为预设辅同步信号图样时，根据所述预设辅同步信号图样和预设接收规则获取所述中 继设备发送广播信道的目标时域位置；
所述接收模块401，用于在所述处理模块402获取的所述目标时域位置接收所述中继设备发送的广播信道信息。
本发明实施例中，所述接收模块401接收到辅同步信号图样，在所述处理模块402确定接收到的辅同步信号图样为预设辅同步信号图样时，根据预设辅同步信号图样和预设接收规则获取上述目标时域位置，然后在该目标时域位置接收中继设备发送的广播信道，实现非连续性接收的同时有效降低自身功耗，延长使用时长，提高用户体验。
可选的，在一些发明实施例中，所述处理模块402还用于设置预设接收规则，所述预设接收规则包括：
预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为所述接收所述预设辅同步信号图样的时域位置，所述第二时域位置为接收广播信道的时域位置；
所述处理模块402具体用于：
根据所述预设辅同步信号图样和预设的所述映射关系确定所述目标时域位置。
可选的，所述处理模块402设置的预设接收规则还包括以下项中的至少一项：
所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、接收广播信道的周期或者接收所述同步信号的周期。
可选的，在一些发明实施例中，所述处理模块402具体用于，当所述预设辅同步信号图样的个数为至少一个，且所述预设辅同步信号图样包括预设序列，则预设的所述映射关系为接收所述预设序列的时域位置与接收广播信道的时域位置的映射关系。
可选的，所述预设序列满足以下项中的至少一项：
所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序列。
可选的，在一些发明实施例中，所述接收模块401接收辅同步信号图样的周期，与所述接收模块401接收所述广播信道的周期成正比。
可选的，在一些发明实施例中，所述接收模块401接收的同步信号还包括主同步信号图样，所述接收模块401接收所述主同步信号图样的频率大于所述接收模块401接收所述广播信道的频率，或所述接收模块401接收所述辅同步信号图样的频率大于所述接收模块401接收所述广播信道的频率。
可选的，在一些发明实施例中，在所述接收模块401接收多个所述中继设备发送的广播信道信息时，所述处理模块402设置的预设的第一时域位置与第二时域位置的映射关系如下公式所示：
Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb为接收所述广播信道的时域位置，所述Ks为接收所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
请参照图5，以下对本发明实施例中执行上述图3中传输数据的方法的种中继设备50进行描述，所述中继设备50包括：
发送模块501，用于向远端终端设备发送同步信号，所述同步信号包括预设辅同步信号图样；
可选的，参考图5-1，所述中继设备还包括处理模块502，用于配置预设发送规则；
所述发送模块501，还用于按照所述处理模块502配置的预设发送规则向所述远端终端设备发送广播信道信息，所述预设发送规则包括预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为发送所述预设辅同步信号图样的时域位置，所述第二时域位置为发送广播信道的时域位置。
可选的，所述预设发送规则还包括以下项中的至少一项：
所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信 号图样中每个序列的编号、所述预设序列、预设序列的标识、发送广播信道信息的周期以及发送所述同步信号的周期。
本发明实施例中，发送模块501利用处理模块502预先配置的预设发送规则，向远端终端设备发送广播信道信息，远端终端设备接收辅同步信号图样，在确定接收到的辅同步信号图样为预设辅同步信号图样时，根据预设辅同步信号图样和预设接收规则获取上述目标时域位置，然后在该目标时域位置接收中继设备发送的广播信道，实现非连续性接收的同时有效降低自身功耗，延长使用时长，提高用户体验。
可选的，在一些发明实施例中，当所述发送模块501发送的所述预设辅同步信号图样的个数为至少一个，且所述预设辅同步信号图样包括预设序列，则预设的所述映射关系为发送所述预设序列的时域位置与发送广播信道的时域位置的映射关系。
可选的，所述预设序列满足以下项中的至少一项：
所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序列。
可选的，在一些发明实施例中，所述发送模块501发送所述辅同步信号图样的周期，与所述发送模块501发送所述广播信道的周期成正比。
可选的，在一些发明实施例中，所述发送模块501发送的同步信号还包括主同步信号图样，所述发送模块501发送所述主同步信号图样的频率大于所述发送模块501发送所述广播信道的频率，或所述发送模块501发送所述辅同步信号图样的频率大于所述发送模块501发送所述广播信道的频率。
可选的，在一些发明实施例中，在所述发送模块501向所述远端终端设备发送广播信道信息时，所述发送模块501发送所述预设序列的时域位置与所述发送模块发送广播信道的时域位置的映射关系如下公式所示：
Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb 为发送所述广播信道的时域位置，所述Ks为发送所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
请参阅图5-2，本发明实施例提供了一种通信系统，所述通信系统包括上述图4中所述的远端终端设备40，以及上述图5、图5-1中所述的中继设备50。
所述通信系统具有实现上述方法实际中通信系统行为的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。
本发明还提供一种计算机存储介质，该介质存储有程序，该程序执行时包括上述传输数据的方法中的部分或者全部步骤。
本发明还提供一种计算机存储介质，该介质存储有程序，该程序执行时包括上述远端终端设备或上述中继设备执行一种传输数据的方法中的部分或者全部步骤。
图6是本发明实施例远端终端设备60的另一结构示意图。远端终端设备60可包括至少一个网络接口或者其它通信接口、至少一个接收器601、至少一个发射器602及至少一个处理器603，其中，接收器601、发射器602和处理器603通过总线通信连接。
接收器601，用于接收中继设备发送的同步信号，所述同步信号包括辅同步信号图样；
处理器603，用于确定所述接收器601接收的所述辅同步信号图样是否为预设辅同步信号图样时，根据所述预设辅同步信号图样和预设接收规则获取所述中继设备发送广播信道的目标时域位置；
所述接收器601，还用于在所述处理器603获取的所述目标时域位置接收所述中继设备发送的广播信道信息。
所述处理器603可以是通用处理器，包括中央处理器(Central Processing Unit，CPU)、网络处理器(Network Processor，NP)等，还可以是数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者 其他可编程逻辑器件等。
其中，在所述处理器603为CPU时，所述远端终端设备60还包括存储器，用于存储程序，并向处理器603提供指令和数据。具体地，程序可以包括程序代码，所述程序代码包括计算机操作指令。存储器可能包含随机存取存储器(RAM，random access memory)，也可能还包括非易失性存储器(non-volatile memory)，例如至少一个磁盘存储器。所述处理器603执行所述存储器中存储的程序代码，实现上述功能。
存储器存储了如下的元素，可执行模块或者数据结构，或者它们的子集，或者它们的扩展集:
操作指令：包括各种操作指令，用于实现各种操作。
操作系统：包括各种系统程序，用于实现各种基础业务以及处理基于硬件的任务。
在一些实施方式中，上述处理器603还用于执行如下操作：
设置预设接收规则；
根据所述预设辅同步信号图样和预设的所述映射关系确定所述目标时域位置。
所述预设接收规则包括：预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为所述接收所述预设辅同步信号图样的时域位置，所述第二时域位置为接收广播信道的时域位置。
可选的，当所述预设辅同步信号图样的个数为至少一个，且所述预设辅同步信号图样包括预设序列，则预设的所述映射关系为接收所述预设序列的时域位置与接收广播信道的时域位置的映射关系。
可选的，所述预设序列满足以下项中的至少一项：
所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序列。
可选的，所述接收模块接收辅同步信号图样的周期，与所述接收模块接收所述广播信道的周期成正比。
可选的，所述接收模块接收的同步信号还包括主同步信号图样，所述接收模块接收所述主同步信号图样的频率大于所述接收模块接收所述广播信道的 频率，或所述接收模块接收所述辅同步信号图样的频率大于所述接收模块接收所述广播信道的频率。
可选的，所述处理模块设置的预设接收规则还包括以下项中的至少一项：
所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、接收广播信道的周期或者接收所述同步信号的周期。
可选的，在所述接收模块接收多个所述中继设备发送的广播信道信息时，所述处理模块设置的预设的第一时域位置与第二时域位置的映射关系如下公式所示：
Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb为接收所述广播信道的时域位置，所述Ks为接收所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
图7是本发明实施例中继设备70的另一结构示意图。中继设备70可包括至少一个网络接口或者其它通信接口、至少一个接收器701、至少一个发射器702、至少一个处理器703及存储器704，其中，接收器701、发射器702、处理器703和存储器704通过总线通信连接。
发射器702，用于向远端终端设备发送同步信号，所述同步信号包括预设辅同步信号图样；
处理器703，用于配置预设发送规则；
所述发射器702，还用于按照预设发送规则向所述远端终端设备发送广播信道信息，所述预设发送规则包括预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为发送所述预设辅同步信号图样的时域位置，所述第二时域位置为发送广播信道的时域位置。
所述处理器703可以是通用处理器，包括中央处理器(Central Processing Unit，CPU)、网络处理器(Network Processor，NP)等，还可以是数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程逻辑器件等。
其中，在所述处理器703为CPU时，所述中继设备70还包括存储器，用于存储程序，并向处理器703提供指令和数据。具体地，程序可以包括程序代码，所述程序代码包括计算机操作指令。存储器可能包含随机存取存储器(RAM，random access memory)，也可能还包括非易失性存储器(non-volatile memory)，例如至少一个磁盘存储器。所述处理器703执行所述存储器中存储的程序代码，实现上述功能。
存储器存储了如下的元素，可执行模块或者数据结构，或者它们的子集，或者它们的扩展集:
操作指令：包括各种操作指令，用于实现各种操作。
操作系统：包括各种系统程序，用于实现各种基础业务以及处理基于硬件的任务。
在一些实施方式中，当所述发送模块发送的所述预设辅同步信号图样的个数为至少一个，且所述预设辅同步信号图样包括预设序列，则预设的所述映射关系为发送所述预设序列的时域位置与发送广播信道的时域位置的映射关系。
可选的，所述预设序列满足以下项中的至少一项：
所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序列。
可选的，所述发送模块发送所述辅同步信号图样的周期，与所述发送模块发送所述广播信道的周期成正比。
可选的，所述发送模块发送的同步信号还包括主同步信号图样，所述发送模块发送所述主同步信号图样的频率大于所述发送模块发送所述广播信道的频率，或所述发送模块发送所述辅同步信号图样的频率大于所述发送模块发送所述广播信道的频率。
可选的，所述预设发送规则还包括以下项中的至少一项：
所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、发送广播信道信息的周期或者发送所述同步信号的周期。
可选的，在所述发送模块向所述远端终端设备发送广播信道信息时，所述 发送模块发送所述预设序列的时域位置与所述发送模块发送广播信道的时域位置的映射关系如下公式所示：
Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb为发送所述广播信道的时域位置，所述Ks为发送所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全 部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上对本发明所提供的一种传输数据的方法、相关设备及系统进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (31)

  1. 一种传输数据的方法，其特征在于，所述方法包括：
    远端终端设备接收中继设备发送的同步信号，所述同步信号包括辅同步信号图样；
    所述远端终端设备确定所述辅同步信号图样为预设辅同步信号图样时，则根据所述预设辅同步信号图样和预设接收规则获取所述中继设备发送广播信道的目标时域位置；
    所述远端终端设备在所述目标时域位置接收所述中继设备发送的广播信道信息。
  2. 根据权利要求1所述的方法，其特征在于，
    所述预设接收规则包括：
    预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为所述远端终端设备接收所述预设辅同步信号图样的时域位置，所述第二时域位置为所述远端终端设备接收广播信道的时域位置；
    所述根据所述预设辅同步信号图样和预设接收规则获取所述中继设备发送广播信道的目标时域位置，包括：
    所述远端终端设备根据所述预设辅同步信号图样和预设的所述映射关系确定所述目标时域位置。
  3. 根据权利要求2所述的方法，其特征在于，所述预设辅同步信号图样的个数为至少一个，所述预设辅同步信号图样包括预设序列，预设的所述映射关系为接收所述预设序列的时域位置与接收广播信道的时域位置的映射关系。
  4. 根据权利要求3所述的方法，其特征在于，所述预设序列满足以下项中的至少一项：
    所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序列。
  5. 根据权利要求1至4任一所述的方法，其特征在于，所述远端终端设备接收辅同步信号图样的周期，与所述远端终端设备接收所述广播信道的周期成正比。
  6. 根据权利要求1至5任一所述的方法，其特征在于，所述同步信号还 包括主同步信号图样，所述远端终端设备接收所述主同步信号图样的频率大于所述远端终端设备接收所述广播信道的频率，或所述远端终端设备接收所述辅同步信号图样的频率大于所述远端终端设备接收所述广播信道的频率。
  7. 根据权利要求6所述的方法，其特征在于，所述预设接收规则还包括以下项中的至少一项：
    所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、接收广播信道的周期或者接收所述同步信号的周期。
  8. 根据权利要求3至7任一所述的方法，其特征在于，在所述远端终端设备接收多个所述中继设备发送的广播信道信息时，所述预设的映射关系如下公式所示：
    Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb为接收所述广播信道的时域位置，所述Ks为接收所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
  9. 一种传输数据的方法，其特征在于，所述方法包括：
    中继设备向远端终端设备发送同步信号，所述同步信号包括预设辅同步信号图样；
    所述中继设备按照预设发送规则向所述远端终端设备发送广播信道信息，所述预设发送规则包括预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为所述中继设备发送所述预设辅同步信号图样的时域位置，所述第二时域位置为所述中继设备发送广播信道的时域位置。
  10. 根据权利要求9所述的方法，其特征在于，当所述预设辅同步信号图样的个数为至少一个，且所述预设辅同步信号图样包括预设序列，则预设的所述映射关系为发送所述预设序列的时域位置与发送广播信道的时域位置的映射关系。
  11. 根据权利要求10所述的方法，其特征在于，所述预设序列满足以下项中的至少一项：
    所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序 列。
  12. 根据权利要求9至11任一所述的方法，其特征在于，所述中继设备发送所述辅同步信号图样的周期，与所述中继设备发送所述广播信道的周期成正比。
  13. 根据权利要求9至12任一所述的方法，其特征在于，所述同步信号还包括主同步信号图样，所述中继设备发送所述主同步信号图样的频率大于所述中继设备发送所述广播信道的频率，或所述中继设备发送所述辅同步信号图样的频率大于所述中继设备发送所述广播信道的频率。
  14. 根据权利要求11至13任一所述的方法，其特征在于，所述预设发送规则还包括以下项中的至少一项：
    所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、发送广播信道信息的周期或者发送所述同步信号的周期。
  15. 根据权利要求10至13任一所述的方法，其特征在于，在多个所述中继设备向所述远端终端设备发送广播信道信息时，所述发送所述预设序列的时域位置与发送广播信道的时域位置的映射关系如下公式所示：
    Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb为发送所述广播信道的时域位置，所述Ks为发送所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
  16. 一种远端终端设备，其特征在于，包括：
    接收模块，用于接收中继设备发送的同步信号，所述同步信号包括辅同步信号图样；
    处理模块，用于确定所述接收模块接收的所述辅同步信号图样为预设辅同步信号图样时，根据所述预设辅同步信号图样和预设接收规则获取所述中继设备发送广播信道的目标时域位置；
    所述接收模块，用于在所述处理模块获取的所述目标时域位置接收所述中继设备发送的广播信道信息。
  17. 根据权利要求16所述的远端终端设备，其特征在于，所述处理模块 还用于设置预设接收规则，所述预设接收规则包括：
    预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为所述接收所述预设辅同步信号图样的时域位置，所述第二时域位置为接收广播信道的时域位置；
    所述处理模块具体用于：
    根据所述预设辅同步信号图样和预设的所述映射关系确定所述目标时域位置。
  18. 根据权利要求17所述的远端终端设备，其特征在于，当所述预设辅同步信号图样的个数为至少一个，且所述预设辅同步信号图样包括预设序列，则预设的所述映射关系为接收所述预设序列的时域位置与接收广播信道的时域位置的映射关系。
  19. 根据权利要求18所述的远端终端设备，其特征在于，所述预设序列满足以下项中的至少一项：
    所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序列。
  20. 根据权利要求16至19任一所述的远端终端设备，其特征在于，所述接收模块接收辅同步信号图样的周期，与所述接收模块接收所述广播信道的周期成正比。
  21. 根据权利要求16至20任一所述的远端终端设备，其特征在于，所述接收模块接收的同步信号还包括主同步信号图样，所述接收模块接收所述主同步信号图样的频率大于所述接收模块接收所述广播信道的频率，或所述接收模块接收所述辅同步信号图样的频率大于所述接收模块接收所述广播信道的频率。
  22. 根据权利要求21所述的远端终端设备，其特征在于，所述处理模块设置的预设接收规则还包括以下项中的至少一项：
    所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、接收广播信道的周期或者接收所述同步信号的周期。
  23. 根据权利要求18至22任一所述的远端终端设备，其特征在于，在所述接收模块接收多个所述中继设备发送的广播信道信息时，所述处理模块设置的预设的第一时域位置与第二时域位置的映射关系如下公式所示：
    Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb为接收所述广播信道的时域位置，所述Ks为接收所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
  24. 一种中继设备，其特征在于，包括：
    发送模块，用于向远端终端设备发送同步信号，所述同步信号包括预设辅同步信号图样；
    所述发送模块，还用于按照预设发送规则向所述远端终端设备发送广播信道信息，所述预设发送规则包括预设的第一时域位置与第二时域位置的映射关系，所述第一时域位置为发送所述预设辅同步信号图样的时域位置，所述第二时域位置为发送广播信道的时域位置。
  25. 根据权利要求24所述的中继设备，其特征在于，当所述发送模块发送的所述预设辅同步信号图样的个数为至少一个，且所述预设辅同步信号图样包括预设序列，则预设的所述映射关系为发送所述预设序列的时域位置与发送广播信道的时域位置的映射关系。
  26. 根据权利要求25所述的中继设备，其特征在于，所述预设序列满足以下项中的至少一项：
    所述预设序列的个数为至少一个，所述预设序列包括至少一种类型的序列。
  27. 根据权利要求24至26任一所述的中继设备，其特征在于，所述发送模块发送所述辅同步信号图样的周期，与所述发送模块发送所述广播信道的周期成正比。
  28. 根据权利要求24至27任一所述的中继设备，其特征在于，所述发送模块发送的同步信号还包括主同步信号图样，所述发送模块发送所述主同步信号图样的频率大于所述发送模块发送所述广播信道的频率，或所述发送模块发送所述辅同步信号图样的频率大于所述发送模块发送所述广播信道的频率。
  29. 根据权利要求25至28任一所述的中继设备，其特征在于，所述预设 发送规则还包括以下项中的至少一项：
    所述主同步信号图样、主同步信号图样的标识、辅同步信号图样、辅同步信号图样的标识、所述辅同步信号图样中每个序列的排列顺序、所述辅同步信号图样中每个序列的编号、所述预设序列、预设序列的标识、发送广播信道信息的周期或者发送所述同步信号的周期。
  30. 根据权利要求25至29任一所述的中继设备，其特征在于，在所述发送模块向所述远端终端设备发送广播信道信息时，所述发送模块发送所述预设序列的时域位置与所述发送模块发送广播信道的时域位置的映射关系如下公式所示：
    Kb＝Ks+nMod10，其中，n为1至X＝floor(B/S)之间的自然数，所述Kb为发送所述广播信道的时域位置，所述Ks为发送所述预设序列的时域位置，Mod为求余函数，floor为向下取整函数。
  31. 一种通信系统，其特征在于，所述通信系统包括：
    权利要求16至23任一所述的远端终端设备，以及权利要求24至30任一所述的中继设备。
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