WO2006075368A1 - Système de communication, appareil de communication et méthode de communication - Google Patents

Système de communication, appareil de communication et méthode de communication Download PDF

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Publication number
WO2006075368A1
WO2006075368A1 PCT/JP2005/000279 JP2005000279W WO2006075368A1 WO 2006075368 A1 WO2006075368 A1 WO 2006075368A1 JP 2005000279 W JP2005000279 W JP 2005000279W WO 2006075368 A1 WO2006075368 A1 WO 2006075368A1
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WO
WIPO (PCT)
Prior art keywords
firmware
version
communication
adjacent
communication device
Prior art date
Application number
PCT/JP2005/000279
Other languages
English (en)
Japanese (ja)
Inventor
Yasuhiro Shibuya
Yoshihiro Gounai
Original Assignee
Fujitsu Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP2005/000279 priority Critical patent/WO2006075368A1/fr
Publication of WO2006075368A1 publication Critical patent/WO2006075368A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates

Definitions

  • the present invention relates to a communication system comprising a plurality of communication devices that are sequentially connected via wireless or wired communication lines and that operate using firmware stored therein, and communication that constitutes the communication system.
  • Apparatus and communication method in communication system thereof is a communication system comprising a plurality of communication devices that are sequentially connected via wireless or wired communication lines and that operate using firmware stored therein, and communication that constitutes the communication system.
  • digital multi-radio devices installed as outdoor devices with radio frequencies mainly in the range of 4 GHz to 38 GHz, such as microwaves, quasi-millimeter waves, and millimeter wave bands, and communication systems including the digital multi-radio devices, And a communication method in the communication system.
  • FIG. 1 is a diagram showing an installation example of a conventional outdoor-type multiplex radio apparatus. This shows the installation of two outdoor radio units (ODUs) 100A and 100B installed outdoors.
  • ODUs outdoor radio units
  • one ODU100A is installed on a steel tower with a height of, for example, several tens to 100m
  • the other ODU100B is installed on the roof of a building with a height of 20 floors or more, for example.
  • microwave communication is performed between these two ODUs 100A and 100B.
  • typically two ODU100A, 100B are shown.
  • These ODU100A, 100B are connected to, for example, an IDU (InDoor Unit), and another ODU is connected via the IDU.
  • ODU100A, 100B, etc. are connected to the ODU, and the ODU performs wireless communication with another ODU. They are connected one after another via an intervening wired communication line.
  • the ODU100B does not perform wireless communication only with the ODUIOOA.
  • the ODU100B performs wireless communication with the ODU100A and uses a wireless line different from the wireless line between the ODUIOOA and another ODU.
  • it may be configured to perform wireless communication.
  • a plurality of ODUIOOA, 100B,... May be sequentially connected by such a configuration or a mixture of such a configuration and the above-described configuration including the IDU.
  • FIG. 2 is a schematic diagram of one ODU (here, representatively ODU100). Since this ODU 100 is an outdoor device, a sealed casing 101 is adopted, and is installed in the sealed casing 101, and is connected to an IDU (not shown) via a main signal interface.
  • ODU here, representatively ODU100
  • the ODU 100 includes a control firmware mounting unit 102 on which control firmware for controlling the ODU 100 is mounted.
  • the firmware is used as a generic term for software executed in this ODU to control this ODU, data referred to in this ODU or used for setting in this ODU.
  • the control firmware installed in the control firmware installation unit 102 may be required to be updated due to the addition or change of functions due to customer requests or complaint processing.
  • the ODU is installed in the sealed casing 101, so the firmware cannot be updated as it is, and the ODU100 is removed from the steel tower (see Fig. 1).
  • This work is required for the number of installed ODUIOOA, 100B, ... (see Fig. 1) that make up one system. Therefore, in the case of a large-scale system with many installed ODUs, the entire firmware update The amount of work is enormous.
  • Patent Document 1 Japanese Patent Laid-Open No. 2-5167
  • an object of the present invention is to provide a communication system in which firmware can be extremely easily updated, a communication apparatus suitable for constructing the communication system, and a communication method in the communication system.
  • the communication system of the present invention that achieves the above object is a communication system comprising a plurality of communication devices that are sequentially connected via a communication line and that operate using firmware stored in each.
  • An adjacent version number acquisition unit that acquires the version information of the first firmware stored in the adjacent communication device from the adjacent communication device;
  • the self-version acquisition unit that acquires the version information of the second firmware stored in the communication device that is itself, and the version number and self-version of the first firmware acquired by the adjacent version acquisition unit
  • a version number comparison unit that compares the version number of the second firmware acquired by the acquisition unit; When the version comparison unit determines that the firmware versions of both firmware do not match
  • a firmware transfer unit that transfers a new version of the first firmware and the second firmware between the adjacent communication devices.
  • the communication system of the present invention acquires the version information of the firmware of the adjacent communication device and the version information of the firmware of the communication device that is itself, respectively, for each of the plurality of communication devices constituting the communication system.
  • the version information of both firmware is compared and the new firmware is transferred.
  • this communication system for example, the control line as shown in FIG.
  • the firmware is updated for one communication device among the multiple communication systems that make up the system, the updated firmware will be spread throughout the entire communication system.
  • each of the plurality of communication devices operates from the nonvolatile memory storing the firmware and the nonvolatile memory according to the firmware at startup. Volatile memory that receives the firmware transfer for execution,
  • the firmware transfer unit stores the firmware in the non-volatile memory when the firmware of the adjacent communication device is transferred.
  • the communication device of the present invention that achieves the above object constitutes a communication system as a plurality of communication devices that are sequentially connected via a communication line and operate using firmware stored in each.
  • a communication device In one communication device,
  • An adjacent version number acquisition unit that acquires the version information of the first firmware stored in the adjacent communication device from the adjacent communication device;
  • a self version acquisition unit that acquires version information of the second firmware stored in the communication device that is itself;
  • a version comparison unit that compares the version number of the first firmware acquired by the adjacent version number acquisition unit with the version number of the second firmware acquired by the self version acquisition unit;
  • the new firmware of the first firmware and the second firmware of the first firmware and the adjacent communication device And a firmware transfer unit for transferring the image data.
  • the non-volatile memory for storing the firmware and the non-volatile memory receive the transfer of the firmware for operation execution according to the firmware at the time of startup.
  • volatile memory With volatile memory,
  • the firmware transfer unit stores the firmware in the non-volatile memory when the firmware of the adjacent communication device is transferred.
  • the communication method of the present invention that achieves the above-described object provides communication in a communication system comprising a plurality of communication devices that are sequentially connected via a communication line and that operate using firmware stored in each.
  • a communication system comprising a plurality of communication devices that are sequentially connected via a communication line and that operate using firmware stored in each.
  • the version information of the first firmware stored in the adjacent communication device is acquired from the adjacent communication device, and the version information of the second firmware stored in the communication device that is itself is acquired.
  • the new firmware of the firmware version of both firmware is transferred to the adjacent communication device.
  • the firmware of the entire communication system can be easily updated.
  • FIG. 1 is a diagram showing an installation example of a conventional outdoor multiplex radio apparatus.
  • FIG. 3 is a block diagram showing an outline of an ODU which is a communication apparatus as an embodiment of the present invention.
  • FIG. 4 is a flowchart showing program version number comparison and program execution processing.
  • FIG. 5 is a block diagram showing an internal configuration of a radio control unit.
  • FIG. 6 is a flowchart showing an operation at startup of the wireless control unit.
  • FIG. 7 is a schematic diagram showing firmware propagation in a two-hop wireless communication system.
  • FIG. 8 is a schematic diagram showing firmware propagation in a two-hop wireless communication system.
  • FIG. 9 is a schematic diagram showing firmware propagation in a two-hop wireless communication system.
  • FIG. 10 is a schematic diagram showing firmware propagation in a two-hop wireless communication system.
  • FIG. 11 is a schematic diagram showing firmware propagation in a two-hop wireless communication system.
  • FIG. 12 is a diagram showing an example in which an IDU is used instead of a PC.
  • FIG. 3 is a block diagram showing an outline of an ODU that is a communication device as an embodiment of the present invention.
  • FIG. 3 shows one ODU among a plurality of ODUs installed as shown in FIG. 1, for example.
  • the ODU 200 shown here includes a main signal processing unit 210, a radio control unit 220, and a radio monitoring control unit 230.
  • the main signal processing unit 210 performs modulation / demodulation processing of the main signal for performing wireless communication with, for example, a microwave communication partner station, and IDU (not shown) via the main signal interface. I am in charge of sending and receiving signals to and from.
  • the main signal processing unit 210 performs various operations with the partner station for wireless communication.
  • An auxiliary signal used for various purposes is also transmitted and received.
  • the auxiliary signal received from radio monitoring control unit 230 is transmitted to the counterpart station, and the auxiliary signal received from the counterpart station is notified to radio monitoring control unit 230.
  • a program that is an example of firmware according to the present invention is installed in the radio control unit 220.
  • a radio control signal is sent to the main signal processing unit 210 according to the program, and is performed by the main signal processing unit 210.
  • Version information representing the version number of the program is attached to the program installed in the radio control unit 220.
  • the wireless monitoring control unit 230 is connected to a display unit or an operation unit (not shown) via a user interface (UI), generates an auxiliary signal in response to a user instruction, and generates a main signal processing unit. Processing related to the auxiliary signal is performed, such as displaying information to be notified to the user on the display unit based on the auxiliary signal sent to 210 or received from the main signal processing unit 210.
  • UI user interface
  • FIG. 4 is a flowchart showing program version number comparison and program transfer processing.
  • the communication partner station power of the main signal processing unit 210 also receives the version number information of the program installed in the partner station (step S1 in FIG. 4), Also, the version number information of the program stored in the wireless control unit 220 is received from the wireless control unit 220 (step S2 in FIG. 4), and the two are compared (step S3 in FIG. 4). If the version numbers of the two programs do not match (step 4), a new (new version) program of these two programs is transferred to and from the other station (step S5). In other words, in this transfer, if the program of the partner station is a newer (upgraded) program than the program installed in its own radio control unit 220, an auxiliary signal is used.
  • the program installed in the partner station is received from the partner station via the main signal processing unit 210, and the program received from the partner station is sent to the radio control unit 220.
  • the program installed in the radio control unit 220 is newer, the program installed in the radio control unit 220 is received from the radio control unit 220 and is put on an auxiliary signal.
  • the program is sent to the main signal processing unit 210, and the main signal processing unit 210 transmits the program on the auxiliary signal to the partner station.
  • Such new transmission is sequentially performed between the ODUs connected in sequence, and therefore, if the program is updated for one ODU, the updated program is sequentially transmitted over the entire communication system. It will propagate sequentially.
  • an old (old version) program is installed in the program transfer between one ODU200 typically shown in FIG. 3 and the communication partner station of this ODU200.
  • ODU can take the initiative to send a program transfer request to an ODU that has a new version of the program (new version) installed, or a new version of the version (new) Version) program is installed!
  • ODU takes the initiative and is equipped with a version of the old-fashioned (old version) program and can send the new version of the old-fashioned (new version) program to the ODU.
  • What version of Xinjiang (new version) program can be transferred in sequence? ! /.
  • another ODU is connected by wire via the main signal interface that explains the comparison of program versions and program transfer with the other station of wireless communication!
  • program version comparison and program transfer are performed in the same manner as described above with the ODU existing through the main signal interface.
  • FIG. 5 is a block diagram showing an internal configuration of the radio control unit shown by one block in FIG.
  • Radio control unit 220 is an interface that controls input / output (IZO) between EEPROM 221 that is a rewritable nonvolatile memory, RAM 222 that is a volatile memory, and main signal processing unit 210 (see FIG. 3). 223 and CPU 224 for executing programs (software) are also configured.
  • IZO input / output
  • the program and its version information are initially installed in EEPROM 221 and are The program in the EEPROM 221 is transferred to the RAM 222 when the power is turned off and on after the power is turned off, and the CPU 224 decodes the instruction described in the program in the RAM 222 and executes the process according to that instruction. To do.
  • FIG. 6 is a flowchart showing the operation at the time of starting the wireless control unit.
  • a program is transferred from the EEPROM 221 shown in FIG. 5 to the RAM 222 (step S11), and the CPU 224 starts an operation based on the program transferred to the RAM 222 (step S12), and the main signal processing unit 210 (see FIG. 5). 3) (Step S13).
  • the CPU 224 shown in FIG. 5 does not execute the program installed in the EEPROM 221 as it is, but the program installed in the EEPROM 222 is transferred to the RAM 222 at the start-up, and the CPU 224 The program transferred to the RAM 222 and stored in the RAM 222 is executed.
  • the radio monitoring control unit 230 writes a new version (new or version) program to the radio control unit 220
  • the radio monitoring control unit 230 writes the program in the EEPROM 221 and the radio control unit 220 also reads the program.
  • the writing and reading of the program are not limited to being performed directly between the EEPROM 221 and the wireless monitoring control unit 230, and the transfer itself may involve the CPU 224.
  • the program executed by the wireless control unit 220 has been described as an example of the firmware according to the present invention.
  • the firmware according to the present invention is limited to the program. However, it may be data that affects the operation of the ODU or a combination of a program and data.
  • FIG. 7 to FIG. 11 are schematic diagrams showing firmware propagation in a wireless communication system having a two-hop configuration (2 hops: two wireless lines are interposed).
  • each of the ODUs 200A, 200B, 200C, and 200D is provided with memory 221A, 221B, 221C, and 221D for storing firmware.
  • These memories 221A, 221B, 221C, and 221D are memories corresponding to the nonvolatile EEPROM 221 in the example shown in FIG. (01) and (02) written in the block indicating each memory 221A, 221B, 221C, 221D represent the version number of the firmware stored in the memory.
  • (01 (02) is an improved version of the firmware (new version).
  • a personal computer (hereinafter abbreviated as “P Cj”) 301 is connected to one ODU200A, and a new version number (new version) is created using the PC 301.
  • P Cj personal computer
  • Writing firmware will cause firmware version mismatch between ODU200A and ODU200B.After this mismatch is detected, ODU200A and other ODU200B will receive multiplexed auxiliary power that also has radio signal power. After the transfer is completed, the ODU200B stores the newly transferred firmware in the memory 221 B, which is a rewritable nonvolatile memory.
  • Figure 9 shows the firmware transfer to the ODU200B. Indicates the completed state.
  • FIG. 11 shows a state in which a new version (02) of firmware is stored in all the ODUs from the ODU 200A to the ODU 200D constituting this communication system.
  • PC 302 confirms that new firmware has been stored in all ODAs, and then reboots (restarts) all ODAs.
  • the operation based on the new version of firmware is started.
  • the example of writing the updated firmware using the PC 301 has been described.
  • the first firmware update to one ODA is performed by storing the firmware installed in the ODA.
  • any non-volatile storage medium may be replaced in the form of software or software.
  • FIG. 12 is a diagram in which an IDU (InDoor Unit) is used instead of the PC.
  • IDU InDoor Unit
  • IDU 303 is connected to ODU200D.
  • the firmware can be written or confirmed in the IDU instead of the PC, and the firmware can be written or confirmed using the IDU.

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)

Abstract

La présente invention concerne un système de communication ou similaire comprenant une pluralité d’appareils de communication connectés séquentiellement au travers d’une ligne de communication sans fil ou câblée et utilisant chacun pour leur fonctionnement le micrologiciel stocké en eux. La présente invention facilite la mise à jour de ces micrologiciels. Le numéro de version des micrologiciels stockés dans les appareils de communication proches d’un appareil local de communication est acquis de ces appareils de communication proches, le numéro de version du micrologiciel stocké dans l’appareil local de communication étant également acquis. Puis, le numéro de version des micrologiciels des appareils de communication proches est comparé au numéro de version du micrologiciel de l’appareil local de communication et, s’ils ne sont pas identiques, le micrologiciel dont le numéro de version est le plus récent est diffusé entre l’appareil local de communication et les appareils de communication proches.
PCT/JP2005/000279 2005-01-13 2005-01-13 Système de communication, appareil de communication et méthode de communication WO2006075368A1 (fr)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH025167A (ja) * 1988-06-23 1990-01-10 Fujitsu Ltd ファームウェアのメンテナンス方式
JP2000244513A (ja) * 1999-02-19 2000-09-08 Sony Corp ネットワークシステム、データ送受信方法及び装置
JP2002507350A (ja) * 1997-06-19 2002-03-05 ウインスター コミュニケーションズ，インコーポレーテッド 都市広域ネットワーク
JP2002366469A (ja) * 2001-06-06 2002-12-20 Hitachi Ltd ネットワーク装置、ネットワークシステム及びネットワーク装置のソフトウェア更新方法
JP2003054087A (ja) * 2001-08-14 2003-02-26 Minolta Co Ltd 画像処理装置、画像処理方法およびプログラム
JP2003092602A (ja) * 2001-09-18 2003-03-28 Fujitsu Ltd ネットワーク装置
JP2004272770A (ja) * 2003-03-11 2004-09-30 Sony Corp ネットワーク機器の中継装置の管理システム，ネットワーク機器の中継装置，認証サーバ，更新サーバ，およびネットワーク機器の中継装置の管理方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH025167A (ja) * 1988-06-23 1990-01-10 Fujitsu Ltd ファームウェアのメンテナンス方式
JP2002507350A (ja) * 1997-06-19 2002-03-05 ウインスター コミュニケーションズ，インコーポレーテッド 都市広域ネットワーク
JP2000244513A (ja) * 1999-02-19 2000-09-08 Sony Corp ネットワークシステム、データ送受信方法及び装置
JP2002366469A (ja) * 2001-06-06 2002-12-20 Hitachi Ltd ネットワーク装置、ネットワークシステム及びネットワーク装置のソフトウェア更新方法
JP2003054087A (ja) * 2001-08-14 2003-02-26 Minolta Co Ltd 画像処理装置、画像処理方法およびプログラム
JP2003092602A (ja) * 2001-09-18 2003-03-28 Fujitsu Ltd ネットワーク装置
JP2004272770A (ja) * 2003-03-11 2004-09-30 Sony Corp ネットワーク機器の中継装置の管理システム，ネットワーク機器の中継装置，認証サーバ，更新サーバ，およびネットワーク機器の中継装置の管理方法

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