CN105764132A - Time service method, device and system - Google Patents

Time service method, device and system Download PDF

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Publication number
CN105764132A
CN105764132A CN 201410784508 CN201410784508A CN105764132A CN 105764132 A CN105764132 A CN 105764132A CN 201410784508 CN201410784508 CN 201410784508 CN 201410784508 A CN201410784508 A CN 201410784508A CN 105764132 A CN105764132 A CN 105764132A
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signal
time information
timing
ipps
clock
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CN 201410784508
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Chinese (zh)
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唐雄
吴安平
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中兴通讯股份有限公司
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    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C9/00Electrically-actuated devices for setting the time-indicating means

Abstract

The invention discloses a time service method, device and system, and the method comprises the steps: receiving a clock signal sent by a standard clock source; analyzing the clock signal, and obtaining time information; and transmitting time information through a low-frequency wireless signal. The method enables the standard clock source to be analyzed, such as a clock signal sent by a GPS positioning satellite, obtains the time information, and then transmits the time information through employing a low-frequency wireless signal, and achieves the time service for a small-size base station. Meanwhile, because of the characteristics of shielding and attenuation of the low-frequency wireless signal which can penetrate an indoor wall, the method can achieve the large-area time service of the small-size base station comprising an indoor base station.

Description

授时方法、装置及系统 Timing method, apparatus and system for

技术领域 FIELD

[0001] 本发明涉及时钟同步领域,特别地涉及一种授时方法、装置及系统。 [0001] The method, apparatus and system of the present invention relates to one kind of clock synchronization timing, and in particular relates to.

背景技术 Background technique

[0002] 无线基站日益小型化,很多小型化无线基站不具备获取卫星为参考源的时钟同步条件。 [0002] The radio base station increasing miniaturization, the size of many radio base station does not have to acquire the satellite clock synchronization condition reference source. 为了使得此类基站能够获得基准时钟,现有技术提供了太网时钟同步技术、空口同步技术等解决这个问题,但是这类技术对网络环境要求较高,如空口同步技术,当网络环境恶劣时,无线基站之间容易发生互锁,导致时钟误差增大等问题。 In order to make such base station can obtain the reference clock, the prior art provides Ethernet clock synchronization, to solve this problem and other air interface synchronization, but this kind of technology demanding network environment, such as air interface synchronization, when a bad network environment , prone to interlock between the radio base station, resulting in problems such as an increase clock error.

[0003]因此,如何提供一种可以为无线基站等小型化基站授时的授时技术,是本领域技术人员亟待解决的技术问题。 [0003] Therefore, how to provide a timing when the technology can be granted for miniaturized radio base station and the like, it is those skilled in the art the problem to be solved.

发明内容 SUMMARY

[0004] 本发明提供了一种授时方法、装置及系统,实现了为无线基站的授时。 [0004] The present invention provides a method, apparatus and system timing when the one kind, to achieve a timing when the radio base station.

[0005] 本发明提供了一种授时方法,在一个实施例中,其包括:接收标准时钟源发送的时钟信号;解析时钟信号获取时间信息;通过低频无线信号发送时间信息。 [0005] The present invention provides a timing when one kind of method, in one embodiment, comprising: receiving a clock signal transmitted from the standard clock source; parsing time information acquisition clock signal; low-frequency radio signal transmission time information.

[0006] 进一步的,上述实施例中的解析时钟信号获取时间信息的步骤包括:对时钟信号进行信号捕捉、跟踪、解调、同步及计算后,得到时间信息。 [0006] Further, the clock signal of the analytical embodiment time information acquisition step comprises: the clock signal for signal acquisition, tracking, demodulation, synchronization and calculation to obtain the time information.

[0007] 进一步的,上述实施例在发送时间信息之前,还包括:根据授时范围计算发射功率,以发射功率发送时间信息。 [0007] Further, the above-described embodiments of transmission time information before, further comprising: calculating a transmit power in accordance with timing range, the transmission power to transmit the time information.

[0008] 进一步的,上述实施例中的时间信息包括IPPS信号及TOD信号,通过低频无线信号发送时间信息的步骤包括:将IPPS信号及TOD信号以报文方式组成数据包,通过低频无线信号发送数据包。 [0008] Further, the time information of the embodiment comprises a IPPS signal and the TOD signals, the step of low-frequency radio signal transmission time information comprises: a IPPS signal and the TOD signals in packet mode into packets, transmitted by the low-frequency radio signal data pack.

[0009] 进一步的,上述实施例中的通过低频无线信号发送数据包的步骤包括:将IPPS信号作为基本帧,进行帧头对齐并采样,根据IPPS信号的频率发送基本帧d#T0D信号封装为数据帧,在基本帧的发送周期中间发送数据帧。 [0009] Further, the above-described embodiment of the low frequency radio signal transmitted by the step of packets comprises: a IPPS signal as a basic frame, a header and aligned samples transmitted basic frame signal d # T0D package according to the frequency of the signal IPPS data frame, the data frame transmitted in the transmission cycle of the intermediate basic frame.

[0010] 本发明提供了一种授时装置,在一个实施例中,其包括:接收模块,用于接收标准时钟源发送的时钟信号;解析模块,用于解析时钟信号获取时间信息;发送模块,用于通过低频无线信号发送时间信息。 [0010] The present invention provides a timing device, in one embodiment, comprising: receiving means for receiving a reference clock signal of the clock sent by the source; parsing module configured to parse a clock signal acquiring time information; transmitting module, for transmitting time information via a low frequency radio signal.

[0011] 进一步的,上述实施例中的解析模块具体用于对时钟信号进行信号捕捉、跟踪、解调、同步及计算后,得到时间信息。 [0011] Further, the above-described embodiment parsing module is configured to capture the signal the clock signal, tracking, demodulation, synchronization and calculation to obtain the time information.

[0012] 进一步的,上述实施例还包括计算模块,用于根据授时范围计算发射功,发送模块具体用于以发射功率发送时间信息。 [0012] Further, the above-described embodiment further includes a calculating module, for calculating a timing according to the transmission power range, sending module is configured to transmit power of transmission time information.

[0013] 进一步的,上述实施例中的时间信息包括IPPS信号及TOD信号,发送模块具体用于将IPPS信号及TOD信号以报文方式组成数据包,通过低频无线信号发送数据包。 [0013] Further, the time information of the embodiment comprises a IPPS signal and the TOD signal transmitting module is configured to IPPS signal and a message signal TOD manner into packets, the packets transmitted via the low frequency radio signal.

[0014] 进一步的,上述实施例中的发送模块具体用于将IPPS信号作为基本帧,进行帧头对齐并采样,根据IPPS信号的频率发送基本帧;将TOD信号封装为数据帧,在基本帧的发送周期中间发送数据帧。 [0014] Further, the above-described embodiment the transmission module is configured to IPPS signal as a basic frame, a header and aligned samples transmitted basic frame according to a frequency signal IPPS; TOD signal encapsulating the data frame, the basic frame intermediate transmission data frame transmission cycle.

[0015] 本发明提供了一种通信系统,其包括本发明提供的授时装置。 [0015] The present invention provides a communication system, comprising timing means provided by the invention.

[0016] 本发明的有益效果: [0016] Advantageous effects of the invention:

[0017] 本发明提供的方案,通过将标准时钟源、如GPS定位卫星等发送的时钟信号进行解析得到时间信息后,利用低频无线信号将时间信息发送出去,实现了对小型化基站的授时,同时由于低频无线信号可穿透室内墙壁的屏蔽及衰减的特点,可以实现对包括室内基站在内的小型化基站进行大范围的授时。 After [0017] The present invention provides to obtain the time information by the standard clock source, such as a GPS positioning satellites transmit clock signal is parsed using a low frequency radio signal transmitted time information to achieve the grant miniaturization base station, At the same time since the interior walls penetrable shield and the low-frequency radio signal attenuation characteristics can be achieved on the size of an indoor base station will be granted, including a wide range.

附图说明 BRIEF DESCRIPTION

[0018]图1为本发明第一实施例提供的授时方法的流程图; [0018] FIG. 1 is a flowchart of a method according to a first timing embodiment of the present invention;

[0019]图2为本发明第二实施例提供的授时装置的示意图; [0019] FIG. 2 provides a schematic diagram of a second embodiment of apparatus of the invention, timing;

[0020]图3为本发明第三实施例提供的授时方法的流程图。 [0020] FIG. 3 is a flowchart of a method provided by the timing of the third embodiment of the present invention.

具体实施方式 detailed description

[0021] 现通过具体实施方式结合附图的方式对本发明做出进一步的诠释说明。 [0021] Now by way of specific embodiments in conjunction with the accompanying drawings make further interpretation of the description of the present invention.

[0022] 第一实施例: [0022] First Embodiment:

[0023]图1为本发明第一实施例提供的授时方法的流程图,由图1可知,在本实施例中,本发明提供的授时方法包括以下步骤: [0023] FIG. 1 is a flowchart timing method according to a first embodiment of the present invention, seen from FIG. 1, in the present embodiment, the timing method of the present invention comprises the steps of:

[0024] SlOl:接收标准时钟源发送的时钟信号; [0024] SlOl: receiving a standard clock source of the signal transmitted;

[0025] 标准时钟源可以是常用的GPS授时系统,也可以是北斗、伽利略等授时系统,不同授时系统的时钟信号的格式可能不同,但只要利用对应的接收天线(如GPS天线等)就可完成时钟信号的接收; [0025] The standard clock source may be a conventional GPS timing system may be Beidou, Galileo timing system, the format of the clock signals of different timing systems may be different, but as long as the use of the corresponding receiver antenna (e.g., GPS antennas, etc.) can be completion of the reception clock signal;

[0026] S102:解析时钟信号获取时间信息; [0026] S102: parsing the clock signal acquiring time information;

[0027] 时间信息主要是指当前时间、帧号等信息; [0027] The main information refers to time information of the current time, frame number and the like;

[0028] S103:通过低频无线信号发送时间信息。 [0028] S103: transmitting time information via a low frequency radio signal.

[0029] 在一些实施例中,图1所示实施例中的解析时钟信号获取时间信息的步骤包括:对时钟信号进行信号捕捉、跟踪、解调、同步及计算后,得到时间信息。 [0029] In some embodiments, as shown in FIG. 1 embodiment analytic signal clock time information acquired in the embodiment comprises: a clock signal for signal acquisition, tracking, demodulation, synchronization and calculation to obtain the time information.

[0030] 在一些实施例中,图1所示实施例在发送时间信息之前,还包括:根据授时范围计算发射功率,以发射功率发送时间信息。 [0030] In some embodiments, the embodiment shown in Figure 1 embodiment before transmission time information, further comprising: calculating a transmit power in accordance with timing range, the transmission power to transmit the time information.

[0031] 在一些实施例中,图1所示实施例中的时间信息包括IPPS信号及TOD信号,通过低频无线信号发送时间信息的步骤包括:将IPPS信号及TOD信号以报文方式组成数据包,通过低频无线信号发送数据包。 [0031] In some embodiments, the embodiment shown in FIG. 1 embodiment includes time information signal and the TOD IPPS signal, the step of low-frequency radio signal transmission time information comprises: TOD and the IPPS signal packet mode signal into packets , the low frequency radio signal transmitted by the packet data.

[0032] 在一些实施例中,图1所示实施例中的通过低频无线信号发送数据包的步骤包括:将IPPS信号作为基本帧,进行帧头对齐并采样,根据IPPS信号的频率发送基本帧;将TOD信号封装为数据帧,在基本帧的发送周期中间发送数据帧。 [0032] In some embodiments, the embodiment shown in FIG. 1 by the step of low-frequency radio signal transmitted data packet comprises: a IPPS signal as a basic frame, a header and aligned samples transmitted basic frame according to a frequency signal IPPS ; TOD signal encapsulating the data frame, the data frame transmitted in the middle of the basic frame transmission period.

[0033] 第二实施例: [0033] Second Example:

[0034]图2为本发明第二实施例提供的授时装置的示意图,由图2可知,在本实施例中,本发明提供的授时装置2包括:接收模块21、解析模块22及发送模块23,其中, The receiving module 21, analysis module 22, and a transmission module 23: [0034] FIG. 2 is a schematic of another embodiment of the apparatus of the timing in the present embodiment, timing of the present invention to provide an apparatus 2 comprising the present invention, as apparent from FIG 2, ,among them,

[0035] 接收模块21,可以是常用的GPS天线等,用于接收标准时钟源发送的时钟信号; [0035] The receiving module 21, a GPS antenna may be used and the like, for receiving a reference clock signal of the clock sent by the source;

[0036] 解析模块22,用于解析时钟信号获取时间信息; [0036] The parsing module 22, configured to parse the clock signal acquiring time information;

[0037] 发送模块23,用于通过低频无线信号发送时间信息。 [0037] The transmitting module 23, via low-frequency radio signal for transmission time information.

[0038] 在一些实施例中,图2所示实施例中的解析模块22具体用于对时钟信号进行信号捕捉、跟踪、解调、同步及计算后,得到时间信息;可以采用常用的uBloxGPS接收机等。 [0038] In some embodiments, the embodiment shown in FIG. 2 in particular parsing module 22 for the clock signal signal acquisition, tracking, demodulation, synchronization and calculation, the time information; can be received using the conventional uBloxGPS machines.

[0039] 在一些实施例中,如图2所示,本发明提供的授时装置2还包括计算模块24,用于根据授时范围计算发射功,发送模块23具体用于以发射功率发送时间信息。 [0039] In some embodiments, as shown in FIG 2 further includes a means 23 for transmitting the specific information time transmit power calculation module 24 for calculating a transmission power range in accordance with timing, transmission timing module 2 of the present invention is provided.

[0040] 在一些实施例中,上述实施例中的时间信息包括IPPS信号及TOD信号,此时,图2所示实施例中的发送模块23具体用于将IPPS信号及TOD信号以报文方式组成数据包,通过低频无线信号发送数据包。 [0040] In some embodiments, the time information of the embodiment comprises a IPPS signal and the TOD signals, this time, in the embodiment shown in FIG. 2 module 23 specifically for the transmission signal and the IPPS signal packet mode TOD into packets, the packets transmitted via the low frequency radio signal.

[0041] 在一些实施例中,上述实施例中的发送模块23具体用于将IPPS信号作为基本帧,进行帧头对齐并采样,根据IPPS信号的频率发送基本帧;将TOD信号封装为数据帧,在基本帧的发送周期中间发送数据帧。 [0041] In some embodiments, the above-described embodiments, the transmission module 23 specifically for the IPPS signal as a basic frame, a header and aligned samples transmitted basic frame according to a frequency signal IPPS; encapsulating the data frame signal TOD , it transmits the data frame transmission period in the middle of the basic frame.

[0042] 本发明提供了一种通信系统,其包括本发明提供的授时装置。 [0042] The present invention provides a communication system, comprising timing means provided by the invention.

[0043] 第三实施例: [0043] Third Embodiment:

[0044] 现通过具体应用实例对本发明做进一步的诠释说明,在本实施例中,以标准时钟源为GPS系统为例进行说明。 [0044] Now with specific application examples further illustrate the present invention, the interpretation, in the present embodiment, the clock source is a standard GPS system as an example.

[0045]由图3可知,在本实施例中,本发明提供的授时方法包括以下步骤: [0045] FIG 3 that, in the present embodiment, the timing method of the present invention comprises the steps of:

[0046] S301:选择标准时钟源; [0046] S301: the clock source selection criteria;

[0047] 本实施例以业界普遍使用的GPS授时为例,北斗/Glonass/伽利略等功能相似,不再赘述;根据需求,可以选择不同的卫星接收,甚至多种卫星接收,以满足未来无线基站卫星授时的发展; [0047] In this embodiment, the widespread use of GPS time service industry as an example, Compass / Glonass / Galileo similar functions will not be repeated; according to the needs, you can choose a different satellite reception, satellite receiver or even more, in order to meet future wireless base station when the development of satellite time;

[0048] S302:通过GPS天线接收原始时钟信号; [0048] S302: original clock signal received by a GPS antenna;

[0049] 原始时钟信号是指GPS天线直接接收到的信号,可能存在干扰等,在实际使用中,满足以下主要指标即可:频率:1575.42±5MHz、增益:38±2dB、介质天线增益:4dB1、噪声系数:彡2.7dB、输出驻波比:2.5max ; [0049] The original clock signal is a GPS antenna for receiving signals directly, there may be interference, in actual use, the main indicators to meet the following: frequency: 1575.42 ± 5MHz, Gain: 38 ± 2dB, antenna gain medium: 4dB1 , the noise factor: San 2.7dB, and output VSWR: 2.5max;

[0050] S303:对原始时钟信号进行滤波和降噪处理后得到时钟信号,通过GPS射频馈线发送至GPS接收机; [0050] S303: After the original clock signal filtering and noise reduction to obtain a clock signal transmitted by the GPS receiver to the GPS radio frequency feeder;

[0051] GPS天线接收GPS信号并进行处理滤波和降噪,采用现有处理方式,本申请不再赘述;GPS天线接收到的载波信号1575.42兆赫兹(LI波段)和1227.6兆赫兹(L2波段)通过射频馈线传送到GPS接收机; [0051] GPS antenna receiving GPS signals and filtering and noise reduction processing, using the conventional process, the present application will not be repeated; GPS antenna to receive 1575.42 MHz carrier signal (LI-band) and 1227.6 MHz (L2 Band) transferred to the GPS receiver through the radio frequency feeder;

[0052] GPS射频馈线是指用于到GPS天线到GPS接收机的射频信号的传输的同轴射频电缆,长度较长;当使用1/4"、1/2〃主馈线时,不需要主馈线两端用跳线过渡连接;但当使用7/8〃主馈线时,需要在主馈线的两端,用1/2〃线缆作为跳线过渡之后,分别连接GPS天线和设备侧的避雷器,避雷器与GPS接收机之间,用半柔的细跳线连接; [0052] GPS radio frequency feeder is used to refer to the GPS antenna to the coaxial cable, the longer length of the transmission RF signal of a GPS receiver; as 1/4 ", 1/2 〃 main feeder, no primary feeder transition jumper ends; but when used after a 7 / 8〃 main feeder, the ends of the main feeder required, with 1/2 〃 transition as jumper cables, each connected to a GPS antenna and lightning arrester device side , between the arrester and the GPS receiver, with a thin semi-flexible jumper connection;

[0053] S304 =GPS接收机提取IPPS信号及TOD信号; [0053] S304 = GPS receiver extracts and TOD signal IPPS signal;

[0054] GPS接收机可以采用uBlox GPS接收机,其采用ANTARIS SuperSense弱信号跟踪技术,跟踪灵敏度超过_158dBm具有增强型捕获灵敏度,在低信号水平条件下可提供高定位精度和动态导航性能; [0054] GPS receiver uBlox GPS receiver may be used, which employs ANTARIS SuperSense weak signal tracking, tracking sensitivity than _158dBm having enhanced capture sensitivity at low signal level conditions can provide a high positioning accuracy and dynamic navigation performance;

[0055] S305:将IPPS信号及TOD信号以报文方式组成数据包Packet ; [0055] S305: The signal IPPS signal and TOD packet Packet manner into packets;

[0056] 在实际应用在,把IPPS作为一个基本帧,用IPPS信号进行帧头的对齐,对IPPS进行采样,并按照PPlS的频率进行基本帧的发送JETOD信号封装成数据帧,在基本帧周期中间进行报文的发送,可以用ARM A9处理器完成此部分的数字处理,主要进行计算控制,完成报文的组帧和解帧,报文响应和异常处理; [0056] In practical applications, the IPPS as a basic frame, aligned with the header IPPS signal, IPPS sampling, and transmits a signal JETOD encapsulated into a data frame according to the frequency PPlS basic frame, the basic frame period intermediate for packet transmission, the digital processing can be done in this section with ARM A9 processor, the main control calculation, the completion packet framing and deframing, and exception handling response packet;

[0057] S306:计算发送功率,将数据包Packet通过数字中频部分通过低频无线信号发送出去; [0057] S306: calculating the transmission power of the data packet Packet sent through the low-frequency radio digital IF signal;

[0058] Packet放置在无线信号的数字中频部分,对其进行调制,并在数字域对上行信号进行控制,可独立对各级上行噪声进行控制和失真预处理;发射部分对中频信号进行放大和滤波,并对发射功率进行控制,本装置功放的功率跟覆盖范围有关,带宽要求不高; [0058] Packet radio is placed in the digital IF signal, it is modulated, and an uplink signal in the digital domain control, independent control of the uplink noise and distortion levels preprocessing; emitting portion and the IF signal is amplified filtering, and transmission power control, the power amplifier of the present apparatus with the related coverage, less demanding of bandwidth;

[0059] 本申请所涉及的低频是指无线电频谱中的低频段,在后续的频谱规划中,如700Mhz及其以下的频度很有可能用于无线通信,低频谱占据覆盖优势 [0059] The present application relates to a low frequency is meant a low frequency band in the radio spectrum in the subsequent spectrum planning, as the frequency of 700Mhz and less likely for wireless communication, the advantages of low coverage spectrum occupies

[0060] 综上可知,通过本发明的实施,至少存在以下有益效果: [0060] To sum up, the embodiment of the present invention, at least the following advantages:

[0061] 通过将标准时钟源、如GPS定位卫星等发送的时钟信号进行解析得到时间信息后,利用低频无线信号将时间信息发送出去,实现了对小型化基站的授时,同时由于低频无线信号可穿透室内墙壁的屏蔽及衰减的特点,可以实现对包括室内基站在内的小型化基站进行大范围的授时。 When [0061] the obtained time information, using a low frequency radio signal transmitted by the standard clock source, such as a GPS positioning satellites transmit clock signal analyzing time information back so that the grant of the miniaturization of the base station, and because the low-frequency radio signals may penetration characteristics of the interior walls and the shield attenuation, when a large timing range for miniaturization indoor base station may be implemented, including.

[0062] 以上仅是本发明的具体实施方式而已,并非对本发明做任何形式上的限制,凡是依据本发明的技术实质对以上实施方式所做的任意简单修改、等同变化、结合或修饰,均仍属于本发明技术方案的保护范围。 [0062] The above are only embodiments of the present invention, but do not form any limitation of the present invention, any simple modification based on any technical essence of the invention made of the above embodiments, equivalent changes, combined or modified are still fall within the scope of the technical solutions of the present invention.

Claims (11)

  1. 1.一种授时方法,其特征在于,包括: 接收标准时钟源发送的时钟信号; 解析所述时钟信号获取时间信息; 通过低频无线信号发送所述时间信息。 A time service method comprising: receiving a clock signal transmitted from the standard clock source; parsing time information obtaining the clock signal; a low frequency radio signal transmitted by the time information.
  2. 2.如权利要求1所述的授时方法,其特征在于,所述解析所述时钟信号获取时间信息的步骤包括:对所述时钟信号进行信号捕捉、跟踪、解调、同步及计算后,得到所述时间信息。 2. The timing method according to claim 1, wherein the analysis of said clock signal comprises the step of acquiring time information: the clock signal after signal acquisition, tracking, demodulation, synchronization and calculation, to give said time information.
  3. 3.如权利要求1所述的授时方法,其特征在于,在发送所述时间信息之前,还包括:根据授时范围计算发射功率,以所述发射功率发送所述时间信息。 3. The timing method according to claim 1, wherein, before transmitting the time information, further comprising: calculating a transmit power in accordance with timing range, the transmission power to transmit the time information.
  4. 4.如权利要求1至3任一项所述的授时方法,其特征在于,所述时间信息包括IPPS信号及TOD信号,所述通过低频无线信号发送所述时间信息的步骤包括:将所述IPPS信号及TOD信号以报文方式组成数据包,通过低频无线信号发送所述数据包。 4. Timing The method according to any one of claims 1-3, wherein the time information comprises a IPPS signal and the TOD signals, said low frequency radio signal transmitted by the step of the time information comprises: the IPPS signal and TOD packet mode signal into packets, the packets are sent over a low frequency radio signal.
  5. 5.如权利要求4所述的授时方法,其特征在于,所述通过低频无线信号发送所述数据包的步骤包括:将所述IPPS信号作为基本帧,进行帧头对齐并采样,根据所述IPPS信号的频率发送所述基本帧;将所述TOD信号封装为数据帧,在所述基本帧的发送周期中间发送所述数据帧。 Timing 5. The method according to claim 4, wherein said step of low-frequency radio signals by transmitting the data packet comprises: the IPPS signal as a basic frame, a header and aligned samples, according to the the frequency of the transmitted signal IPPS basic frames; TOD signals encapsulated into the data frame, the data frame transmitted in the middle of the basic frame transmission period.
  6. 6.一种授时装置,其特征在于,包括: 接收模块,用于接收标准时钟源发送的时钟信号; 解析模块,用于解析所述时钟信号获取时间信息; 发送模块,用于通过低频无线信号发送所述时间信息。 A time service apparatus, characterized by comprising: receiving means for receiving a reference clock signal of the clock sent by the source; parsing module configured to parse the signal acquisition time clock information; transmitting module, for the low-frequency radio signals by transmitting the time information.
  7. 7.如权利要求6所述的授时装置,其特征在于,所述解析模块具体用于对所述时钟信号进行信号捕捉、跟踪、解调、同步及计算后,得到所述时间信息。 7. The timing device according to claim 6, wherein the parsing module is configured to the clock signal for signal acquisition, tracking, demodulation, synchronization and calculation to obtain the time information.
  8. 8.如权利要求6所述的授时装置,其特征在于,还包括计算模块,用于根据授时范围计算发射功,所述发送模块具体用于以所述发射功率发送所述时间信息。 8. The apparatus as claimed in timing when claim 6, characterized by further comprising calculating means for calculating transmission power according to the timing range, the sending module is configured to transmit the power of the transmission time information.
  9. 9.如权利要求6至8任一项所述的授时装置,其特征在于,所述时间信息包括IPPS信号及TOD信号,所述发送模块具体用于将所述IPPS信号及TOD信号以报文方式组成数据包,通过低频无线信号发送所述数据包。 9. The apparatus as claimed in timing during 6-1 according to any of claim 8, wherein the time information comprises a IPPS signal and the TOD signals, the transmitting module is configured to TOD and the IPPS signal to the signal packet manner into packets, transmitting the data packet through the low frequency radio signal.
  10. 10.如权利要求9所述的授时装置,其特征在于,所述发送模块具体用于将所述IPPS信号作为基本帧,进行帧头对齐并采样,根据所述IPPS信号的频率发送所述基本帧;将所述TOD信号封装为数据帧,在所述基本帧的发送周期中间发送所述数据帧。 10. The timing apparatus according to claim 9, wherein the transmitting module is configured to the IPPS signal as a basic frame, a header and aligned sampling frequency of the transmission according to the fundamental signal IPPS frame; TOD signals encapsulated into the data frame, the data frame transmitted in the middle of the basic frame transmission period.
  11. 11.一种通信系统,其特征在于,包括如权利要求6至10任一项所述的授时装置。 A communication system, characterized in that the timing device of any one of claims 6-10 comprising as claimed in claim.
CN 201410784508 2014-12-16 2014-12-16 Time service method, device and system CN105764132A (en)

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CN107425935A (en) * 2017-05-23 2017-12-01 深圳国人通信股份有限公司 Method for implementing LTE dedicated base station time synchronization

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CN1490688A (en) * 2002-10-17 2004-04-21 深圳市中兴通讯股份有限公司上海第二 Timing system and method thereof
US7821876B2 (en) * 2006-02-27 2010-10-26 Frantz Frederick E Synchronization of a plurality of devices in a wireless sensor arrangement
CN102063052A (en) * 2010-12-29 2011-05-18 上海华勤通讯技术有限公司 Electric wave time correction electronic equipment and electric wave time correction method
CN103529690A (en) * 2013-11-01 2014-01-22 西安邮电大学 Wall clock for receiving Beidou satellite time and wall clock time calibrating method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107425935A (en) * 2017-05-23 2017-12-01 深圳国人通信股份有限公司 Method for implementing LTE dedicated base station time synchronization

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