WO2023184302A1 - Millimeter-wave ad hoc network system and fast adaptive routing method therefor - Google Patents
Millimeter-wave ad hoc network system and fast adaptive routing method therefor Download PDFInfo
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- a millimeter wave self-organizing network system includes: terminal equipment 1, communication node 2, processing server 3, backup memory 4 and signal compensation unit 5.
- the terminal equipment 1 will collect the signal Passed to the communication node 2, the communication node 2 passes it to the processing server 3 by selecting the nearest path.
- the communication node 2 is also provided with a backup memory 4 and a signal compensation unit 5.
- the backup memory 4 temporarily stores the signals passing through the communication node 2.
- Information, the signal compensation unit 5 records the signal attenuation characteristics and reversely compensates the information; the information is processed by the processing server 3 and returned to the terminal device 1 through the communication node 2.
- a millimeter wave self-organizing network system includes: terminal equipment 1, communication node 2, processing server 3, backup memory 4 and signal compensation unit 5.
- the terminal equipment 1 will collect the signal Passed to the communication node 2, the communication node 2 passes it to the processing server 3 by selecting the nearest path.
- the communication node 2 is also provided with a backup memory 4 and a signal compensation unit 5.
- the backup memory 4 temporarily stores the signal passing through the communication node 2.
- Information, the signal compensation unit 5 records the signal attenuation characteristics and reversely compensates the information; the information is processed by the processing server 3 and returned to the terminal device 1 through the communication node 2.
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Abstract
Disclosed in the present invention is a millimeter-wave ad hoc network system, comprising: a terminal device (1), communication nodes (2), a processing server (3), backup storages (4) and signal compensation units (5). The terminal device (1) transfers an acquired signal to the communication nodes (2), the communication nodes (2) select the closest path to transfer the signal to the processing server (3), the communication nodes (2) are each provided with both a backup storage (4) and a signal compensation unit (5), the backup storages (4) temporarily store information passing through the communication nodes, the signal compensation units (5) record signal attenuation characteristics and perform reverse compensation on the information, and the information is processed by the processing server (3) and is then returned to the terminal device (1) by means of the communication nodes (2). Further disclosed is a fast adaptive routing method. A system structure and a routing method are improved, the speed of information transfer in a system is increased, and the duration in which information is interfered with by other signals and the duration in which signals are attenuated are reduced. Moreover, signal attenuation is compensated for to increase the accuracy of the information, and the signal transfer time is short, thereby greatly improving the time effectiveness of information exchange.
Description
本发明属于通信领域，特别涉及一种毫米波自组网***及其快速自适应路由方法。The invention belongs to the field of communications, and in particular relates to a millimeter wave self-organizing network system and a fast adaptive routing method thereof.
无线通信是一种多个节点间不经由导体或缆线传播进行的远距离传输通讯技术，是一种随处可见的通信技术，广泛应用于车联网、对讲机、列车调度***、无线电台等领域。随着技术的发展，特别是互联网和WiFi的发展，无线电波的空白频段越来越少，干扰越来越多，毫米波作为一种新式信号传播途径，穿透力强，受环境因素小，同时已占用频段少，是很好的一种通讯手段。Wireless communication is a long-distance transmission communication technology between multiple nodes without propagation through conductors or cables. It is a communication technology that can be seen everywhere and is widely used in the Internet of Vehicles, walkie-talkies, train dispatching systems, radio stations and other fields. With the development of technology, especially the development of the Internet and WiFi, there are fewer and fewer blank frequency bands of radio waves and more and more interference. As a new signal propagation method, millimeter waves have strong penetrating power and are less affected by environmental factors. At the same time, there are few occupied frequency bands, which is a good means of communication.
现在的通信***仍然存在许多不足之处，例如，现在的通信***大多存在信号干扰多的问题，而毫米波也存在信号衰减快的问题，导致最终传递的信号失真、无法识别等问题，同时，现在的通信***存在一定延时，在部分需要实时信息的领域不能很好的完成任务，信息交互慢，影响***的运行。因此，本申请就以上问题，对通信***进行了创新和改进。Current communication systems still have many shortcomings. For example, most current communication systems have the problem of excessive signal interference, and millimeter waves also have the problem of fast signal attenuation, resulting in the final transmitted signal being distorted and unrecognizable. At the same time, The current communication system has a certain delay and cannot complete tasks well in some areas that require real-time information. Information interaction is slow, which affects the operation of the system. Therefore, this application innovates and improves the communication system to address the above issues.
现在的通信***，主要存在以下几个问题：The current communication system mainly has the following problems:
1、现在的通信***大多存在信号干扰多的问题，而毫米波也存在信号衰减快的问题，导致最终传递的信号失真、无法识别等问题。1. Most current communication systems have the problem of excessive signal interference, and millimeter waves also have the problem of fast signal attenuation, resulting in distortion and unrecognizability of the final transmitted signal.
2、现在的通信***存在一定延时，在部分需要实时信息的领域不能很好的完成任务，信息交互慢，影响***的运行。2. There is a certain delay in the current communication system, which cannot complete tasks well in some areas that require real-time information. Information interaction is slow, which affects the operation of the system.
发明内容Contents of the invention
发明目的：为了克服以上不足，本发明的目的是提供一种毫米波自组网***及其快速自适应路由方法，改进了***结构和路由方法，提高了信息在***中的传递速度，缩短信息受其它信号干扰的时间和信号衰减的时间，同时对信号衰减进行补偿，提高信息的准确性，同时信号传递时间短，大大提高了信息交互的时效性。Purpose of the invention: In order to overcome the above shortcomings, the purpose of the present invention is to provide a millimeter wave self-organizing network system and its fast adaptive routing method, improve the system structure and routing method, improve the transmission speed of information in the system, and shorten the information transmission time. The time of interference from other signals and the time of signal attenuation are compensated at the same time to improve the accuracy of information. At the same time, the signal transmission time is short, which greatly improves the timeliness of information interaction.
技术方案：为了实现上述目的，本发明提供了一种毫米波自组网***，包括：终端设备、通信节点、处理服务器、备份存储器和信号补偿单元，所述终端设备将采集到的信号传递给通信节点，所述通信节点通过选择最近路径传递至处理服务器，所述通信节点同时设置有备份存储器和信号补偿单元，所述备份存储器暂存通过通信节点的信息，所述信号补偿单元记录信号衰减特性，并对信息反向补偿；所述信息经过处理服务器处理后通过通信节点 返回至终端设备。Technical solution: In order to achieve the above purpose, the present invention provides a millimeter wave self-organizing network system, including: a terminal device, a communication node, a processing server, a backup memory and a signal compensation unit. The terminal device transmits the collected signal to Communication node, the communication node transmits to the processing server by selecting the nearest path, the communication node is provided with a backup memory and a signal compensation unit, the backup memory temporarily stores information passing through the communication node, and the signal compensation unit records signal attenuation characteristics, and reversely compensates the information; the information is processed by the processing server and returned to the terminal device through the communication node.
本发明中所述自组***的设置，改进了***结构和路由方法，提高了信息在***中的传递速度，缩短信息受其它信号干扰的时间和信号衰减的时间，同时对信号衰减进行补偿，提高信息的准确性，同时信号传递时间短，大大提高了信息交互的时效性。The setting of the self-organizing system in the present invention improves the system structure and routing method, increases the transmission speed of information in the system, shortens the time for information to be interfered by other signals and the time for signal attenuation, and at the same time compensates for signal attenuation. The accuracy of information is improved, and the signal transmission time is short, which greatly improves the timeliness of information interaction.
本发明中所述的通信节点采用定向天线增强信号。The communication node described in the present invention uses directional antennas to enhance signals.
本发明中所述通信节点的设置，通过定向天线减小发送面，减少信息洪泛，同时可以使信号波重叠，增强信号。The arrangement of communication nodes in the present invention reduces the transmission surface through directional antennas, reduces information flooding, and at the same time allows signal waves to overlap and enhance signals.
本发明中所述的一种毫米波自组网***的快速自适应路由方法，包括获得路径、整合路径和简并路径，所述的通信节点包括一级节点、二级节点、三级节点和非活跃节点，具体包括以下步骤：The invention describes a fast adaptive routing method for millimeter wave ad hoc network systems, including obtaining paths, integrating paths and degenerate paths. The communication nodes include first-level nodes, second-level nodes, third-level nodes and Inactive nodes include the following steps:
步骤一：将终端设备作为一级节点，由一级节点发送访问包至周围可以访问的节点，所述节点作为二级节点，所述二级节点发送访问包至周围可以访问的节点，所述节点作为三级节点，所述三级节点加入自身地址后返还访问包至二级节点，所述二级节点选取最先返回的访问包，加入自身地址后返还访问包至一级节点，所述一级节点选取最先返回的访问包内地址，发送信息包，并标记其余二级节点为非活跃节点；Step 1: The terminal device is used as a first-level node, and the first-level node sends an access packet to the surrounding accessible nodes. The node serves as a second-level node, and the second-level node sends an access packet to the surrounding accessible nodes. The node acts as a third-level node. The third-level node returns the access packet to the second-level node after adding its own address. The second-level node selects the first returned access packet, adds its own address and returns the access packet to the first-level node. The first-level node selects the address in the access packet returned first, sends the information packet, and marks the remaining second-level nodes as inactive nodes;
步骤二：将收到信息包的二级节点作为一级节点，排除非活跃节点和步骤一中原本作为一级节点的节点后，重复步骤一，直至访问到处理服务器；Step 2: Use the second-level node that receives the information packet as the first-level node. After excluding inactive nodes and nodes originally used as first-level nodes in step 1, repeat step 1 until the processing server is accessed;
步骤三：所述步骤一、二中获得的节点形成节点链，所述信息包沿所述节点链传递和返回；步骤四：所述终端设备移动，周围一级节点变化，所述终端设备重复步骤一、二，如获得节点与所述节点链中的节点相同时，后续节点使用节点链中的节点，如没有获得，重复步骤一、二直至访问到处理服务器。Step 3: The nodes obtained in steps 1 and 2 form a node chain, and the information packet is transmitted and returned along the node chain; Step 4: The terminal device moves, the surrounding first-level nodes change, and the terminal device repeats Steps 1 and 2: If the obtained node is the same as the node in the node chain, the subsequent node uses the node in the node chain. If not obtained, repeat steps 1 and 2 until the processing server is accessed.
本发明中所述路由方法的设置，通过对信号节点的选择，提高了信息在***中的传递速度，缩短信息受其它信号干扰的时间和信号衰减的时间。The setting of the routing method in the present invention improves the transmission speed of information in the system through the selection of signal nodes, and shortens the time for information to be interfered by other signals and the time for signal attenuation.
本发明中所述的通信节点上设置有备份存储器，所述备份存储器存储所述信息包，如所述信息包发送成功，所述备份存储器删除所述信息包，如所述信息包发送不成功，所述备份存储器保存所述信息包并向外不断访问直至发送成功。The communication node described in the present invention is provided with a backup memory. The backup memory stores the information packet. If the information packet is sent successfully, the backup memory deletes the information packet. If the information packet is not sent successfully, the backup memory will delete the information packet. , the backup memory saves the information packet and continuously accesses it until the transmission is successful.
本发明中所述备份存储器的设置，使得信号在传递过程中拥有短暂的存储能力，以应对信号遭到屏蔽、信号节点丢失或者被破坏等情况。The setting of the backup memory in the present invention enables the signal to have short-term storage capability during the transmission process to cope with the situation that the signal is blocked, the signal node is lost or destroyed, etc.
本发明中所述的备份存储器间隔复数个通信节点布置一组。以避免存储器过多而功能重复。The backup memory described in the present invention is arranged in a group at intervals of a plurality of communication nodes. To avoid excessive memory and duplication of functions.
本发明中所述的一种毫米波自组网***的快速自适应路由方法，包括定时检测，以只发送访问包的方式完成步骤一、二，如新获得的节点与所述节点链中的节点不符，则替换所述节点链。A fast adaptive routing method for a millimeter wave ad hoc network system described in the present invention includes timing detection and completing steps one and two by sending only access packets. If the newly obtained node is the same as the one in the node chain If the node does not match, replace the node chain.
本发明中所述路由方法的设置，能够始终保证节点链是最短路线。The setting of the routing method in the present invention can always ensure that the node chain is the shortest route.
本发明中所述的终端设备设置有预备处理器，当无法访问处理服务器时，所述终端设备寻找其它终端设备，以所述预备处理器处理信息并直接反馈给终端设备，形成网络。The terminal device described in the present invention is provided with a preliminary processor. When the processing server cannot be accessed, the terminal device looks for other terminal devices, uses the preliminary processor to process information and directly feeds it back to the terminal device to form a network.
本发明中所述预备处理器的设置，能够将自身或者其它终端设备作为临时的处理服务器，以应对处理服务器丢失的情况。The setting of the preliminary processor in the present invention can use itself or other terminal equipment as a temporary processing server to cope with the loss of the processing server.
本发明中所述的一级节点处的信号补偿单元发送第一校准包至二级节点，所述二级节点将第一校准包返回至一级节点，同时发送第二校准包至一级节点，所述一级节点处的信号补偿单元通过返回的第一校准包数据和第二校准包数据的差值获得一级节点至二级节点的正向衰减特性，所述一级节点处的信号补偿单元通过第一校准包原始数据和第二校准包数据的差值获得二级节点至一级节点的逆向衰减特性，当传输信息包时，将正向衰减特性跟随信息包传递至二级节点，由二级节点的信号补偿单元计算后继续传递；当收到二级节点发送的信息包时，将逆向衰减特性补偿至信息包内，并继续传递。The signal compensation unit at the primary node in the present invention sends the first calibration packet to the secondary node, and the secondary node returns the first calibration packet to the primary node and simultaneously sends the second calibration packet to the primary node. , the signal compensation unit at the first-level node obtains the forward attenuation characteristics from the first-level node to the second-level node through the difference between the returned first calibration packet data and the second calibration packet data. The signal at the first-level node The compensation unit obtains the reverse attenuation characteristics from the secondary node to the primary node through the difference between the original data of the first calibration package and the data of the second calibration package. When transmitting the information packet, the forward attenuation characteristics follow the information packet and are transferred to the secondary node. , calculated by the signal compensation unit of the secondary node and then continued to be transmitted; when receiving the information packet sent by the secondary node, the reverse attenuation characteristics are compensated into the information packet and continued to be transmitted.
本发明中所述路由方法的设置，通过计算衰减特性并补偿到信号的传递中，能够保证信号不失真，提高信号的准确和稳定。The setting of the routing method in the present invention can ensure that the signal is not distorted and improve the accuracy and stability of the signal by calculating the attenuation characteristics and compensating them into the signal transmission.
本发明中所述的第一校准包和第二校准包初始数据相同。The initial data of the first calibration package and the second calibration package described in the present invention are the same.
上述技术方案可以看出，本发明具有如下有益效果：It can be seen from the above technical solutions that the present invention has the following beneficial effects:
1、本发明中所述的一种毫米波自组网***及其快速自适应路由方法，通过对信号节点的选择，提高了信息在***中的传递速度，缩短信息受其它信号干扰的时间和信号衰减的时间。1. A millimeter-wave self-organizing network system and its fast adaptive routing method described in the present invention improve the transmission speed of information in the system through the selection of signal nodes and shorten the time and time for information to be interfered by other signals. The time for signal decay.
2、本发明中所述的一种毫米波自组网***及其快速自适应路由方法，通过计算衰减特性并补偿到信号的传递中，能够保证信号不失真，提高信号的准确和稳定。2. The millimeter-wave self-organizing network system and its fast adaptive routing method described in the present invention can ensure that the signal is not distorted and improve the accuracy and stability of the signal by calculating the attenuation characteristics and compensating them into the signal transmission.
3、本发明中所述的一种毫米波自组网***及其快速自适应路由方法，改进了***结构和路由方法，提高了信息在***中的传递速度，大大提高了信息交互的时效性。3. The millimeter wave self-organizing network system and its fast adaptive routing method described in the present invention improve the system structure and routing method, increase the transmission speed of information in the system, and greatly improve the timeliness of information interaction. .
图1为本发明的整体工作流程结构示意图；Figure 1 is a schematic diagram of the overall workflow structure of the present invention;
图2为本发明信号补偿单元的工作流程结构示意图；Figure 2 is a schematic structural diagram of the work flow of the signal compensation unit of the present invention;
图3为本发明预备处理器的工作流程结构示意图；Figure 3 is a schematic diagram of the work flow structure of the preparation processor of the present invention;
图中：终端设备-1、通信节点-2、一级节点-21、二级节点-22、三级节点-23、非活跃节点- 24、处理服务器-3、备份存储器-4、信号补偿单元-5。In the picture: terminal equipment-1, communication node-2, first-level node-21, second-level node-22, third-level node-23, inactive node-24, processing server-3, backup memory-4, signal compensation unit -5.
下面结合附图和具体实施例，进一步阐明本发明。The present invention will be further elucidated below in conjunction with the accompanying drawings and specific embodiments.
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and are not to be construed as limiting the present invention.
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The directions or positional relationships indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" etc. are based on the attached The orientations or positional relationships shown in the figures are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and therefore cannot be understood as limiting the present invention. Limitations of Invention.
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上，除非另有明确的限定。In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more than two, unless otherwise clearly defined.
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。In the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。In the present invention, unless otherwise expressly provided and limited, the term "above" or "below" a first feature of a second feature may include direct contact between the first and second features, or may also include the first and second features. Not in direct contact but through additional characteristic contact between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.
实施例1Example 1
如图1-3所示的一种毫米波自组网***，包括：终端设备1、通信节点2、处理服务器3、备份存储器4和信号补偿单元5，所述终端设备1将采集到的信号传递给通信节点2，所述通信节点2通过选择最近路径传递至处理服务器3，所述通信节点2同时设置有备份存储器4 和信号补偿单元5，所述备份存储器4暂存通过通信节点2的信息，所述信号补偿单元5记录信号衰减特性，并对信息反向补偿；所述信息经过处理服务器3处理后通过通信节点2返回至终端设备1。As shown in Figure 1-3, a millimeter wave self-organizing network system includes: terminal equipment 1, communication node 2, processing server 3, backup memory 4 and signal compensation unit 5. The terminal equipment 1 will collect the signal Passed to the communication node 2, the communication node 2 passes it to the processing server 3 by selecting the nearest path. The communication node 2 is also provided with a backup memory 4 and a signal compensation unit 5. The backup memory 4 temporarily stores the signals passing through the communication node 2. Information, the signal compensation unit 5 records the signal attenuation characteristics and reversely compensates the information; the information is processed by the processing server 3 and returned to the terminal device 1 through the communication node 2.
本实施例中所述的通信节点2采用定向天线增强信号。The communication node 2 described in this embodiment uses a directional antenna to enhance the signal.
本实施例中所述的一种毫米波自组网***的快速自适应路由方法，包括获得路径、整合路径和简并路径，所述的通信节点2包括一级节点21、二级节点22、三级节点23和非活跃节点24，具体包括以下步骤：A fast adaptive routing method for a millimeter wave ad hoc network system described in this embodiment includes obtaining paths, integrating paths and degenerate paths. The communication node 2 includes a first-level node 21, a second-level node 22, The third-level node 23 and the inactive node 24 specifically include the following steps:
步骤一：将终端设备1作为一级节点21，由一级节点21发送访问包至周围可以访问的节点，所述节点作为二级节点22，所述二级节点22发送访问包至周围可以访问的节点，所述节点作为三级节点23，所述三级节点23加入自身地址后返还访问包至二级节点22，所述二级节点22选取最先返回的访问包，加入自身地址后返还访问包至一级节点21，所述一级节点21选取最先返回的访问包内地址，发送信息包，并标记其余二级节点22为非活跃节点24；Step 1: The terminal device 1 is used as a first-level node 21. The first-level node 21 sends an access packet to the surrounding accessible nodes. The node serves as a second-level node 22. The second-level node 22 sends an access packet to the surrounding accessible nodes. node, the node serves as the third-level node 23. The third-level node 23 returns the access packet to the second-level node 22 after adding its own address. The second-level node 22 selects the first returned access packet, adds its own address and returns it. The access packet is sent to the first-level node 21. The first-level node 21 selects the address in the first returned access packet, sends the information packet, and marks the remaining second-level nodes 22 as inactive nodes 24;
步骤二：将收到信息包的二级节点22作为一级节点21，排除非活跃节点24和步骤一中原本作为一级节点21的节点后，重复步骤一，直至访问到处理服务器3；Step 2: Use the secondary node 22 that receives the information packet as the primary node 21, exclude the inactive node 24 and the node originally used as the primary node 21 in step 1, and repeat step 1 until the processing server 3 is accessed;
步骤三：所述步骤一、二中获得的节点形成节点链，所述信息包沿所述节点链传递和返回；Step 3: The nodes obtained in steps 1 and 2 form a node chain, and the information packet is transmitted and returned along the node chain;
步骤四：所述终端设备1移动，周围一级节点21变化，所述终端设备1重复步骤一、二，如获得节点与所述节点链中的节点相同时，后续节点使用节点链中的节点，如没有获得，重复步骤一、二直至访问到处理服务器3。Step 4: The terminal device 1 moves and the surrounding first-level nodes 21 change. The terminal device 1 repeats steps 1 and 2. If the obtained node is the same as the node in the node chain, subsequent nodes use the node in the node chain. , if not obtained, repeat steps 1 and 2 until processing server 3 is accessed.
本实施例中所述的通信节点2上设置有备份存储器4，所述备份存储器4存储所述信息包，如所述信息包发送成功，所述备份存储器4删除所述信息包，如所述信息包发送不成功，所述备份存储器4保存所述信息包并向外不断访问直至发送成功。The communication node 2 described in this embodiment is provided with a backup memory 4. The backup memory 4 stores the information packet. If the information packet is sent successfully, the backup memory 4 deletes the information packet, as described. If the information packet is unsuccessfully sent, the backup memory 4 saves the information packet and continuously accesses it until the information packet is successfully sent.
本实施例中所述的备份存储器4间隔复数个通信节点2布置一组。The backup memory 4 described in this embodiment is arranged in a group at intervals of a plurality of communication nodes 2 .
本实施例中所述的一种毫米波自组网***的快速自适应路由方法，包括定时检测，以只发送访问包的方式完成步骤一、二，如新获得的节点与所述节点链中的节点不符，则替换所述节点链。A fast adaptive routing method for a millimeter-wave ad hoc network system described in this embodiment includes timing detection and completing steps one and two by sending only access packets. If the newly acquired node is in the node chain, If the nodes do not match, replace the node chain.
本实施例中所述的终端设备1设置有预备处理器，当无法访问处理服务器3时，所述终端设备1寻找其它终端设备1，以所述预备处理器处理信息并直接反馈给终端设备1，形成网络。The terminal device 1 described in this embodiment is provided with a preliminary processor. When the processing server 3 cannot be accessed, the terminal device 1 looks for other terminal devices 1, uses the preliminary processor to process information and directly feeds it back to the terminal device 1 , forming a network.
本实施例中所述的一级节点21处的信号补偿单元5发送第一校准包至二级节点22， 所述二级节点22将第一校准包返回至一级节点21，同时发送第二校准包至一级节点21，所述一级节点21处的信号补偿单元5通过返回的第一校准包数据和第二校准包数据的差值获得一级节点21至二级节点22的正向衰减特性，所述一级节点21处的信号补偿单元5通过第一校准包原始数据和第二校准包数据的差值获得二级节点22至一级节点21的逆向衰减特性，当传输信息包时，将正向衰减特性跟随信息包传递至二级节点22，由二级节点22的信号补偿单元5计算后继续传递；当收到二级节点22发送的信息包时，将逆向衰减特性补偿至信息包内，并继续传递。The signal compensation unit 5 at the primary node 21 described in this embodiment sends the first calibration packet to the secondary node 22. The secondary node 22 returns the first calibration packet to the primary node 21 and sends the second calibration packet at the same time. The calibration package reaches the first-level node 21. The signal compensation unit 5 at the first-level node 21 obtains the forward direction from the first-level node 21 to the second-level node 22 through the difference between the returned first calibration package data and the second calibration package data. Attenuation characteristics, the signal compensation unit 5 at the first-level node 21 obtains the reverse attenuation characteristics of the second-level node 22 to the first-level node 21 through the difference between the original data of the first calibration package and the second calibration package data. When transmitting an information packet When, the forward attenuation characteristics follow the information packet and are transmitted to the secondary node 22, and are calculated by the signal compensation unit 5 of the secondary node 22 and then continue to be transmitted; when the information packet sent by the secondary node 22 is received, the reverse attenuation characteristics are compensated into the information packet and continue to deliver it.
本实施例中所述的第一校准包和第二校准包初始数据相同。The initial data of the first calibration package and the second calibration package described in this embodiment are the same.
实施例2Example 2
如图1和2所示的一种毫米波自组网***，包括：终端设备1、通信节点2、处理服务器3、备份存储器4和信号补偿单元5，所述终端设备1将采集到的信号传递给通信节点2，所述通信节点2通过选择最近路径传递至处理服务器3，所述通信节点2同时设置有备份存储器4和信号补偿单元5，所述备份存储器4暂存通过通信节点2的信息，所述信号补偿单元5记录信号衰减特性，并对信息反向补偿；所述信息经过处理服务器3处理后通过通信节点2返回至终端设备1。As shown in Figures 1 and 2, a millimeter wave self-organizing network system includes: terminal equipment 1, communication node 2, processing server 3, backup memory 4 and signal compensation unit 5. The terminal equipment 1 will collect the signal Passed to the communication node 2, the communication node 2 passes it to the processing server 3 by selecting the nearest path. The communication node 2 is also provided with a backup memory 4 and a signal compensation unit 5. The backup memory 4 temporarily stores the signal passing through the communication node 2. Information, the signal compensation unit 5 records the signal attenuation characteristics and reversely compensates the information; the information is processed by the processing server 3 and returned to the terminal device 1 through the communication node 2.
本实施例中所述的通信节点2采用定向天线增强信号。The communication node 2 described in this embodiment uses a directional antenna to enhance the signal.
实施例3Example 3
如图1和3所示的一种毫米波自组网***，包括：终端设备1、通信节点2、处理服务器3、备份存储器4和信号补偿单元5，所述终端设备1将采集到的信号传递给通信节点2，所述通信节点2通过选择最近路径传递至处理服务器3，所述通信节点2同时设置有备份存储器4和信号补偿单元5，所述备份存储器4暂存通过通信节点2的信息，所述信号补偿单元5记录信号衰减特性，并对信息反向补偿；所述信息经过处理服务器3处理后通过通信节点2返回至终端设备1。A millimeter wave self-organizing network system as shown in Figures 1 and 3 includes: terminal equipment 1, communication node 2, processing server 3, backup memory 4 and signal compensation unit 5. The terminal equipment 1 will collect the signal Passed to the communication node 2, the communication node 2 passes it to the processing server 3 by selecting the nearest path. The communication node 2 is also provided with a backup memory 4 and a signal compensation unit 5. The backup memory 4 temporarily stores the signal passing through the communication node 2. Information, the signal compensation unit 5 records the signal attenuation characteristics and reversely compensates the information; the information is processed by the processing server 3 and returned to the terminal device 1 through the communication node 2.
本实施例中所述的一种毫米波自组网***的快速自适应路由方法，包括获得路径、整合路径和简并路径，所述的通信节点2包括一级节点21、二级节点22、三级节点23和非活跃节点24，具体包括以下步骤：A fast adaptive routing method for a millimeter wave ad hoc network system described in this embodiment includes obtaining paths, integrating paths and degenerate paths. The communication node 2 includes a first-level node 21, a second-level node 22, The third-level node 23 and the inactive node 24 specifically include the following steps:
步骤一：将终端设备1作为一级节点21，由一级节点21发送访问包至周围可以访问的节点，所述节点作为二级节点22，所述二级节点22发送访问包至周围可以访问的节点，所述节点作为三级节点23，所述三级节点23加入自身地址后返还访问包至二级节点22，所述二级节点22选取最先返回的访问包，加入自身地址后返还访问包至一级节点21，所述一级节 点21选取最先返回的访问包内地址，发送信息包，并标记其余二级节点22为非活跃节点24；Step 1: The terminal device 1 is used as a first-level node 21. The first-level node 21 sends an access packet to the surrounding accessible nodes. The node serves as a second-level node 22. The second-level node 22 sends an access packet to the surrounding accessible nodes. node, the node serves as the third-level node 23. The third-level node 23 returns the access packet to the second-level node 22 after adding its own address. The second-level node 22 selects the first returned access packet, adds its own address and returns it. The access packet is sent to the first-level node 21. The first-level node 21 selects the address in the first returned access packet, sends the information packet, and marks the remaining second-level nodes 22 as inactive nodes 24;
步骤二：将收到信息包的二级节点22作为一级节点21，排除非活跃节点24和步骤一中原本作为一级节点21的节点后，重复步骤一，直至访问到处理服务器3；Step 2: Use the secondary node 22 that receives the information packet as the primary node 21, exclude the inactive node 24 and the node originally used as the primary node 21 in step 1, and repeat step 1 until the processing server 3 is accessed;
步骤三：所述步骤一、二中获得的节点形成节点链，所述信息包沿所述节点链传递和返回；Step 3: The nodes obtained in steps 1 and 2 form a node chain, and the information packet is transmitted and returned along the node chain;
步骤四：所述终端设备1移动，周围一级节点21变化，所述终端设备1重复步骤一、二，如获得节点与所述节点链中的节点相同时，后续节点使用节点链中的节点，如没有获得，重复步骤一、二直至访问到处理服务器3。Step 4: The terminal device 1 moves and the surrounding first-level nodes 21 change. The terminal device 1 repeats steps 1 and 2. If the obtained node is the same as the node in the node chain, subsequent nodes use the node in the node chain. , if not obtained, repeat steps 1 and 2 until processing server 3 is accessed.
本实施例中所述的通信节点2上设置有备份存储器4，所述备份存储器4存储所述信息包，如所述信息包发送成功，所述备份存储器4删除所述信息包，如所述信息包发送不成功，所述备份存储器4保存所述信息包并向外不断访问直至发送成功。The communication node 2 described in this embodiment is provided with a backup memory 4. The backup memory 4 stores the information packet. If the information packet is sent successfully, the backup memory 4 deletes the information packet, as described. If the information packet is unsuccessfully sent, the backup memory 4 saves the information packet and continuously accesses it until the information packet is successfully sent.
本实施例中所述的备份存储器4间隔复数个通信节点2布置一组。The backup memory 4 described in this embodiment is arranged in a group at intervals of a plurality of communication nodes 2 .
本实施例中所述的一种毫米波自组网***的快速自适应路由方法，包括定时检测，以只发送访问包的方式完成步骤一、二，如新获得的节点与所述节点链中的节点不符，则替换所述节点链。A fast adaptive routing method for a millimeter-wave ad hoc network system described in this embodiment includes timing detection and completing steps one and two by sending only access packets. If the newly acquired node is in the node chain, If the nodes do not match, replace the node chain.
本实施例中所述的终端设备1设置有预备处理器，当无法访问处理服务器3时，所述终端设备1寻找其它终端设备1，以所述预备处理器处理信息并直接反馈给终端设备1，形成网络。The terminal device 1 described in this embodiment is provided with a preliminary processor. When the processing server 3 cannot be accessed, the terminal device 1 looks for other terminal devices 1, uses the preliminary processor to process information and directly feeds it back to the terminal device 1 , forming a network.
实施例4Example 4
如图1和2所示的一种毫米波自组网***，包括：终端设备1、通信节点2、处理服务器3、备份存储器4和信号补偿单元5，所述终端设备1将采集到的信号传递给通信节点2，所述通信节点2通过选择最近路径传递至处理服务器3，所述通信节点2同时设置有备份存储器4和信号补偿单元5，所述备份存储器4暂存通过通信节点2的信息，所述信号补偿单元5记录信号衰减特性，并对信息反向补偿；所述信息经过处理服务器3处理后通过通信节点2返回至终端设备1。As shown in Figures 1 and 2, a millimeter wave self-organizing network system includes: terminal equipment 1, communication node 2, processing server 3, backup memory 4 and signal compensation unit 5. The terminal equipment 1 will collect the signal Passed to the communication node 2, the communication node 2 passes it to the processing server 3 by selecting the nearest path. The communication node 2 is also provided with a backup memory 4 and a signal compensation unit 5. The backup memory 4 temporarily stores the signal passing through the communication node 2. Information, the signal compensation unit 5 records the signal attenuation characteristics and reversely compensates the information; the information is processed by the processing server 3 and returned to the terminal device 1 through the communication node 2.
本实施例中所述的一种毫米波自组网***的快速自适应路由方法，包括获得路径、整合路径和简并路径，所述的通信节点2包括一级节点21、二级节点22、三级节点23和非活跃节点24，具体包括以下步骤：A fast adaptive routing method for a millimeter wave ad hoc network system described in this embodiment includes obtaining paths, integrating paths and degenerate paths. The communication node 2 includes a first-level node 21, a second-level node 22, The third-level node 23 and the inactive node 24 specifically include the following steps:
步骤一：将终端设备1作为一级节点21，由一级节点21发送访问包至周围可以访问的节点，所述节点作为二级节点22，所述二级节点22发送访问包至周围可以访问的节点，所述 节点作为三级节点23，所述三级节点23加入自身地址后返还访问包至二级节点22，所述二级节点22选取最先返回的访问包，加入自身地址后返还访问包至一级节点21，所述一级节点21选取最先返回的访问包内地址，发送信息包，并标记其余二级节点22为非活跃节点24；Step 1: The terminal device 1 is used as a first-level node 21. The first-level node 21 sends an access packet to the surrounding accessible nodes. The node serves as a second-level node 22. The second-level node 22 sends an access packet to the surrounding accessible nodes. node, the node serves as the third-level node 23. The third-level node 23 returns the access packet to the second-level node 22 after adding its own address. The second-level node 22 selects the first returned access packet, adds its own address and returns it. The access packet is sent to the first-level node 21. The first-level node 21 selects the address in the first returned access packet, sends the information packet, and marks the remaining second-level nodes 22 as inactive nodes 24;
步骤二：将收到信息包的二级节点22作为一级节点21，排除非活跃节点24和步骤一中原本作为一级节点21的节点后，重复步骤一，直至访问到处理服务器3；Step 2: Use the secondary node 22 that receives the information packet as the primary node 21, exclude the inactive node 24 and the node originally used as the primary node 21 in step 1, and repeat step 1 until the processing server 3 is accessed;
步骤三：所述步骤一、二中获得的节点形成节点链，所述信息包沿所述节点链传递和返回；Step 3: The nodes obtained in steps 1 and 2 form a node chain, and the information packet is transmitted and returned along the node chain;
步骤四：所述终端设备1移动，周围一级节点21变化，所述终端设备1重复步骤一、二，如获得节点与所述节点链中的节点相同时，后续节点使用节点链中的节点，如没有获得，重复步骤一、二直至访问到处理服务器3。Step 4: The terminal device 1 moves and the surrounding first-level nodes 21 change. The terminal device 1 repeats steps 1 and 2. If the obtained node is the same as the node in the node chain, subsequent nodes use the node in the node chain. , if not obtained, repeat steps 1 and 2 until processing server 3 is accessed.
本实施例中所述的一级节点21处的信号补偿单元5发送第一校准包至二级节点22，所述二级节点22将第一校准包返回至一级节点21，同时发送第二校准包至一级节点21，所述一级节点21处的信号补偿单元5通过返回的第一校准包数据和第二校准包数据的差值获得一级节点21至二级节点22的正向衰减特性，所述一级节点21处的信号补偿单元5通过第一校准包原始数据和第二校准包数据的差值获得二级节点22至一级节点21的逆向衰减特性，当传输信息包时，将正向衰减特性跟随信息包传递至二级节点22，由二级节点22的信号补偿单元5计算后继续传递；当收到二级节点22发送的信息包时，将逆向衰减特性补偿至信息包内，并继续传递。The signal compensation unit 5 at the primary node 21 described in this embodiment sends the first calibration packet to the secondary node 22. The secondary node 22 returns the first calibration packet to the primary node 21 and sends the second calibration packet at the same time. The calibration package reaches the first-level node 21. The signal compensation unit 5 at the first-level node 21 obtains the forward direction from the first-level node 21 to the second-level node 22 through the difference between the returned first calibration package data and the second calibration package data. Attenuation characteristics, the signal compensation unit 5 at the first-level node 21 obtains the reverse attenuation characteristics of the second-level node 22 to the first-level node 21 through the difference between the original data of the first calibration package and the second calibration package data. When transmitting an information packet When, the forward attenuation characteristics follow the information packet and are transmitted to the secondary node 22, and are calculated by the signal compensation unit 5 of the secondary node 22 and then continue to be transmitted; when the information packet sent by the secondary node 22 is received, the reverse attenuation characteristics are compensated into the information packet and continue to deliver it.
本实施例中所述的第一校准包和第二校准包初始数据相同。The initial data of the first calibration package and the second calibration package described in this embodiment are the same.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进，这些改进也应视为本发明的保护范围。The above are only preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, several improvements can be made without departing from the principles of the present invention, and these improvements should also be regarded as the present invention. protection scope of the invention.
Claims (9)
- 一种毫米波自组网***，其特征在于：包括：终端设备(1)、通信节点(2)、处理服务器(3)、备份存储器(4)和信号补偿单元(5)，所述终端设备(1)将采集到的信号传递给通信节点(2)，所述通信节点(2)通过选择最近路径传递至处理服务器(3)，所述通信节点(2)同时设置有备份存储器(4)和信号补偿单元(5)，所述备份存储器(4)暂存通过通信节点(2)的信息，所述信号补偿单元(5)记录信号衰减特性，并对信息反向补偿；所述信息经过处理服务器(3)处理后通过通信节点(2)返回至终端设备(1)。A millimeter wave self-organizing network system, characterized by: including: terminal equipment (1), communication node (2), processing server (3), backup memory (4) and signal compensation unit (5), the terminal equipment (1) Pass the collected signal to the communication node (2), which passes it to the processing server (3) by selecting the nearest path. The communication node (2) is also equipped with a backup memory (4) and a signal compensation unit (5). The backup memory (4) temporarily stores information passing through the communication node (2). The signal compensation unit (5) records the signal attenuation characteristics and reversely compensates the information; the information passes through After processing by the processing server (3), it is returned to the terminal device (1) through the communication node (2).
- 根据权利要求1所述的一种毫米波自组网***，其特征在于：所述的通信节点(2)采用定向天线增强信号。A millimeter wave self-organizing network system according to claim 1, characterized in that: the communication node (2) uses a directional antenna to enhance the signal.
- 根据权利要求1所述的一种毫米波自组网***的快速自适应路由方法，包括获得路径、整合路径和简并路径，其特征在于：所述的通信节点(2)包括一级节点(21)、二级节点(22)、三级节点(23)和非活跃节点(24)，具体包括以下步骤：A fast adaptive routing method for millimeter wave ad hoc network systems according to claim 1, including an acquisition path, an integration path and a degenerate path, characterized in that: the communication node (2) includes a first-level node ( 21), second-level node (22), third-level node (23) and inactive node (24), specifically including the following steps:步骤一：将终端设备(1)作为一级节点(21)，由一级节点(21)发送访问包至周围可以访问的节点，所述节点作为二级节点(22)，所述二级节点(22)发送访问包至周围可以访问的节点，所述节点作为三级节点(23)，所述三级节点(23)加入自身地址后返还访问包至二级节点(22)，所述二级节点(22)选取最先返回的访问包，加入自身地址后返还访问包至一级节点(21)，所述一级节点(21)选取最先返回的访问包内地址，发送信息包，并标记其余二级节点(22)为非活跃节点(24)；Step 1: The terminal device (1) is used as a first-level node (21), and the first-level node (21) sends an access packet to the surrounding accessible nodes, and the node is used as a second-level node (22). The second-level node (22) Send the access packet to the surrounding accessible nodes, which serve as the third-level node (23). The third-level node (23) adds its own address and returns the access packet to the second-level node (22). The second-level node (23) The first-level node (22) selects the first returned access packet, adds its own address and returns the access packet to the first-level node (21). The first-level node (21) selects the address in the first returned access packet and sends the information packet. And mark the remaining secondary nodes (22) as inactive nodes (24);步骤二：将收到信息包的二级节点(22)作为一级节点(21)，排除非活跃节点(24)和步骤一中原本作为一级节点(21)的节点后，重复步骤一，直至访问到处理服务器(3)；Step 2: Use the secondary node (22) that receives the information packet as the primary node (21). After excluding the inactive node (24) and the node originally used as the primary node (21) in step 1, repeat step 1. Until the processing server is accessed (3);步骤三：所述步骤一、二中获得的节点形成节点链，所述信息包沿所述节点链传递和返回；Step 3: The nodes obtained in steps 1 and 2 form a node chain, and the information packet is transmitted and returned along the node chain;步骤四：所述终端设备(1)移动，周围一级节点(21)变化，所述终端设备(1)重复步骤一、二，如获得节点与所述节点链中的节点相同时，后续节点使用节点链中的节点，如没有获得，重复步骤一、二直至访问到处理服务器(3)。Step 4: The terminal device (1) moves and the surrounding first-level nodes (21) change. The terminal device (1) repeats steps one and two. If the obtained node is the same as the node in the node chain, the subsequent node Use the node in the node chain. If not obtained, repeat steps 1 and 2 until the processing server is accessed (3).
- 根据权利要求3所述的一种毫米波自组网***的快速自适应路由方法，其特征在于：所述的通信节点(2)上设置有备份存储器(4)，所述备份存储器(4)存储所述信息包，如所述信息包发送成功，所述备份存储器(4)删除所述信息包，如所述信息包发送不成功，所述备份存储器(4)保存所述信息包并向外不断访问直至发送成功。A fast adaptive routing method for millimeter wave ad hoc network systems according to claim 3, characterized in that: the communication node (2) is provided with a backup memory (4), and the backup memory (4) The information packet is stored. If the information packet is sent successfully, the backup memory (4) deletes the information packet. If the information packet is not sent successfully, the backup memory (4) saves the information packet and sends it to Continue to access until the sending is successful.
- 根据权利要求4所述的一种毫米波自组网***的快速自适应路由方法，其特征在于：所述的备份存储器(4)间隔复数个通信节点(2)布置一组。A fast adaptive routing method for a millimeter wave ad hoc network system according to claim 4, characterized in that the backup memory (4) is arranged in a group at intervals of a plurality of communication nodes (2).
- 根据权利要求3所述的一种毫米波自组网***的快速自适应路由方法，其特征在于：包 括定时检测，以只发送访问包的方式完成步骤一、二，如新获得的节点与所述节点链中的节点不符，则替换所述节点链。A fast adaptive routing method for millimeter wave ad hoc network systems according to claim 3, characterized in that it includes timing detection and completes steps one and two by sending only access packets. If the nodes in the node chain do not match, replace the node chain.
- 根据权利要求1或3所述的一种毫米波自组网***的快速自适应路由方法，其特征在于：所述的终端设备(1)设置有预备处理器，当无法访问处理服务器(3)时，所述终端设备(1)寻找其它终端设备(1)，以所述预备处理器处理信息并直接反馈给终端设备(1)，形成网络。A fast adaptive routing method for a millimeter wave ad hoc network system according to claim 1 or 3, characterized in that: the terminal device (1) is provided with a preliminary processor. When the processing server (3) cannot be accessed When the terminal device (1) searches for other terminal devices (1), the preparatory processor processes the information and directly feeds it back to the terminal device (1) to form a network.
- 根据权利要求3所述的一种毫米波自组网***的快速自适应路由方法，其特征在于：所述的一级节点(21)处的信号补偿单元(5)发送第一校准包至二级节点(22)，所述二级节点(22)将第一校准包返回至一级节点(21)，同时发送第二校准包至一级节点(21)，所述一级节点(21)处的信号补偿单元(5)通过返回的第一校准包数据和第二校准包数据的差值获得一级节点(21)至二级节点(22)的正向衰减特性，所述一级节点(21)处的信号补偿单元(5)通过第一校准包原始数据和第二校准包数据的差值获得二级节点(22)至一级节点(21)的逆向衰减特性，当传输信息包时，将正向衰减特性跟随信息包传递至二级节点(22)，由二级节点(22)的信号补偿单元(5)计算后继续传递；当收到二级节点(22)发送的信息包时，将逆向衰减特性补偿至信息包内，并继续传递。A fast adaptive routing method for a millimeter-wave ad hoc network system according to claim 3, characterized in that: the signal compensation unit (5) at the first-level node (21) sends the first calibration packet to the second-level node (21). Level node (22), the Level 2 node (22) returns the first calibration packet to the Level 1 node (21), and at the same time sends the second calibration packet to the Level 1 node (21), the Level 1 node (21) The signal compensation unit (5) at the location obtains the forward attenuation characteristics of the primary node (21) to the secondary node (22) through the difference between the returned first calibration packet data and the second calibration packet data. The primary node The signal compensation unit (5) at (21) obtains the reverse attenuation characteristics of the secondary node (22) to the primary node (21) through the difference between the original data of the first calibration packet and the data of the second calibration packet. When transmitting an information packet When , the forward attenuation characteristics are transmitted to the secondary node (22) following the information packet, and the signal compensation unit (5) of the secondary node (22) calculates and continues to transmit; when the information sent by the secondary node (22) is received When packetizing, the reverse attenuation characteristics are compensated into the information packet and continue to be transmitted.
- 根据权利要求8所述的一种毫米波自组网***的快速自适应路由方法，其特征在于：所述的第一校准包和第二校准包初始数据相同。A fast adaptive routing method for a millimeter wave ad hoc network system according to claim 8, characterized in that: the initial data of the first calibration package and the second calibration package are the same.
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