CN101437301B - Method, equipment and communication system for transmitting message - Google Patents
Method, equipment and communication system for transmitting message Download PDFInfo
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- CN101437301B CN101437301B CN2008101802983A CN200810180298A CN101437301B CN 101437301 B CN101437301 B CN 101437301B CN 2008101802983 A CN2008101802983 A CN 2008101802983A CN 200810180298 A CN200810180298 A CN 200810180298A CN 101437301 B CN101437301 B CN 101437301B
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Abstract
The embodiment of the invention discloses a method, equipment and a communication system for message transmission. The method comprises the following steps: when no message is transmitted in an external interface, the external interface is closed and a timer is started so as to cache messages needing to be transmitted; and when the timer times to achieve a preset amount of time or when the cache is full, the external interface is started to transmit the messages stored in the cache. In the embodiment of the invention, when the timer times to achieve a preset amount of timer or when the cache is full, the external interface is used to transmit the messages, and when no message is transmitted in the external interface, the external interface is closed, so the working time of the external interface is reduced; and as the messages needing to be transmitted are regulated and transmitted uniformly, the utilization rate of the external interface is improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, equipment and communication system of transmission of messages.
Background technology
At train, the large-scale vehicles such as steamer, it is useful that independent communication system is installed, and can effectively solve these vehicle interior communication requirements on the one hand, can well improve passenger's speech quality and the influence of network to external world on the other hand.If according to original wireless networking pattern, in order to give highway, railway, and the wireless network of good seamless covering is set up in the navigation channel, need to dispose a large amount of base stations, and need special npts such as sector adjustment, cost is quite big, in addition when these vehicles move, carrying a large amount of user terminals and moving simultaneously, registration is switched and is waited and can break out at the same place of wireless network synchronization, this is very big to any wireless cellular network performance hit, all is a huge challenge.In addition, the closed structure of vehicles wireless signal to external world also has certain shielding attenuation effect, and user's communication can be influenced on the one hand, can make wireless signal be forced to the lifting power emission and increase the phase mutual interference in addition, also can force the wireless terminal electric energy loss fast, user's stand-by time shortens.By in the vehicles, setting up independent communication systems, make the wireless signal in the vehicles become steady by this independent communication systems effective deployment in the vehicles, can not change with moving of the vehicles, also can not answer translational speed and change violently, can promote the communication quality in the vehicles so greatly.In addition, for aircraft, this zone that can't be covered by the land wireless cellular system of ocean steamer even later interplanetary travel also can be used the mobile base station mode to solve passenger's communication requirement, and do not needed to allow the user remove to change communication terminal.
For this mobile base station, the mobile base station internally provides wireless coverage, and externally the interface to the mobile base station controller generally transmits by the packet radio transmission network, to satisfy mobility.This packet radio transmission network can be to use the satellite transmits passage, also can be to use and cover relatively good broadband packet radio transmission channel, even can be that multiple passage uses jointly, backup each other or shunt, to improve the connection reliability between mobile base station and the mobile base station controller.
In realizing process of the present invention, the inventor finds to exist in the prior art following shortcoming:
In the prior art, because the external interface between mobile base station and the mobile base station controller is based on wireless transmission, even may be satellite transmits, transmission cost is higher, for improving the utilance of this section communication link, need this section communication link to reduce service time as far as possible, and can close automatically at one's leisure.But for wireless terminal, even the user does not use mobile service, periodic location registers, system message transmission and monitoring message transmission etc. but need to carry out constantly, for finishing these functions, most times of the external communication interface of mobile base station exist, and the utilization ratio of external interface is low.
Summary of the invention
The embodiment of the invention provides a kind of method, equipment and communication system of transmission of messages, has improved the utilization ratio of external interface.
The embodiment of the invention provides a kind of method of transmission of messages, may further comprise the steps:
When not having transmission of messages on the external interface, close described external interface, and start timer;
The message that mobile terminal receive sends, the message that buffer memory need send;
When described timer timing is full to the time span of setting or buffer memory, start described external interface, send message buffered by described external interface,
Described message is insensitive to time delay, and/or the message of cycle timed sending;
The message that described buffer memory need send comprises:
Buffer memory is from the registration message that carries international mobile subscriber identity IMSI of portable terminal;
Describedly send described message buffered by described external interface and comprise:
Send the registration message of buffer memory by described external interface.
The embodiment of the invention provides a kind of base station equipment, comprises control module, cache module and sending module:
Described control module is used for closing described external interface when not having transmission of messages on the external interface, and starts timer, when described timer timing completely the time, starts described external interface to the time span of setting or described cache module memory space;
Described cache module is used for after described control module is closed described external interface the message that buffer memory need send;
Described sending module after being used for described control module and starting described external interface, sends described cache module message buffered by described external interface,
Described message is insensitive to time delay, and/or the message of cycle timed sending;
The message that described buffer memory need send comprises:
Buffer memory is from the registration message that carries international mobile subscriber identity IMSI of portable terminal;
Describedly send described message buffered by described external interface and comprise:
Send the registration message of buffer memory by described external interface.
Simultaneously, the embodiment of the invention provides a kind of communication system, but comprises that mobile base station controller, mobile base station and portable terminal are connected with communication mode:
Described external interface when not having transmission of messages on its external interface, is closed in described mobile base station, and starts timer; The message that mobile terminal receive sends, the message that buffer memory need send; When described timer timing is full to the time span of setting or buffer memory, start described external interface, send described message buffered by described external interface,
Described message is insensitive to time delay, and/or the message of cycle timed sending;
The message that described buffer memory need send comprises:
Buffer memory is from the registration message that carries international mobile subscriber identity IMSI of portable terminal;
Describedly send described message buffered by described external interface and comprise:
Send the registration message of buffer memory by described external interface.
In the embodiments of the invention, when the timer timing is full to the time span of setting or buffer memory, send message by external interface, and when not having transfer of data on the described external interface, close described external interface, reduce the operating time of external interface, and the message that needs send has been carried out regular unified the transmission, improved the utilization ratio of external interface.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of a kind of transmission of messages in the embodiment of the invention;
Fig. 2 is the method flow diagram of a kind of registration message transmission in the embodiment of the invention;
Fig. 3 is the method flow diagram of a kind of monitoring message transmission in the embodiment of the invention;
Fig. 4 is the method flow diagram of a kind of system message transmission in the embodiment of the invention;
Fig. 5 is a kind of base station equipment structure chart in the embodiment of the invention;
Fig. 6 is a kind of base station equipment structure chart in the embodiment of the invention;
Fig. 7 is a kind of communication system architecture figure in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of method of transmission of messages, as shown in Figure 1, may further comprise the steps:
The message that can use the memory module buffer memory of inside, mobile base station to send.External interface can be satellite transmits interface or wireless transmission interface.Message buffered can be for insensitive to time delay, and/or the message of cycle timed sending.For example, registration message, carrier frequency resource status report messages, fault warning message, traffic measurement message etc.
Can message buffered be sent one by one by external interface; Perhaps send the message after the message buffered packing by external interface.
Message buffered can be the registration message that carries IMSI (InternationalMobile Subscriber Identity, international mobile subscriber identity) from portable terminal in the step 101; After the registration message that carry IMSI of step 101 buffer memory, can also comprise: the register response result who searches the IMSI correspondence from portable terminal; If find the register response result, then the register response result who finds is sent to portable terminal, if do not find the register response result, then the register response result with acquiescence sends to portable terminal.
Accordingly, step 102 sends after the registration message of buffer memory by external interface, can also comprise: receive the enrollment response message from external interface; Upgrade original register response result in the buffer memory according to the register response result who carries in the enrollment response message that receives; Discharge the registration message of the enrollment response message corresponding cache that receives.Wherein, the registration message of release buffer memory can have following dual mode: can discharge corresponding registration message when receiving enrollment response message; Also can not need wait for corresponding enrollment response message, when sending registration message, just directly discharge this registration message by external interface.
Message buffered also can be the monitoring message that the mobile base station generates according to self-condition in the step 101, and monitoring message can comprise carrier frequency resource status report messages and/or fault warning message and/or traffic measurement message; The buffer memory of monitoring message can belong to different buffer queues respectively with the buffer memory of registration message, also can shared same buffer queue;
Accordingly, step 102 sends after the monitoring message of buffer memory by external interface, can also comprise: receive the monitoring response message from described external interface; Discharge the monitoring message of buffer memory according to the monitoring response message.Wherein, the monitoring message of release buffer memory can have following dual mode: can discharge corresponding monitoring message when receiving the monitoring response message; Also can not need wait for corresponding monitoring response message, when sending monitoring message, just directly discharge this monitoring message by external interface.
In the embodiments of the invention, when the timer timing is full to the time span of setting or buffer memory, send message by external interface, and when not having transfer of data on the described external interface, close described external interface, reduce the operating time of external interface, and the message that needs send has been carried out regular unified the transmission, improved the utilization ratio of external interface.Wherein, the message that needs are sent carry out regular unified send to refer to the parcel message of buffer memory is assembled, forms a big message and send by external interface then, and suggestion is assembled according to the maximum message packet length of external interface permission.Can significantly reduce the message bar number that external interface is handled like this, improve treatment effeciency.Accordingly, the mobile base station controller need be separated assembling after receiving the message of assembling, takes out parcel message successively and handle one by one from big bag message.
The embodiment of the invention provides a kind of method of registration message transmission, as shown in Figure 2, may further comprise the steps:
Step 200, when not having transmission of messages on the external interface, external interface is closed in the mobile base station, and starts timer.The cycle that can be arranged to carry out with portable terminal location registers the time-count cycle of timer is consistent, and this timer can be the timer that is positioned at inside, mobile base station.
The registration message that step 201, mobile base station mobile terminal receive send carries the IMSI of portable terminal in the registration message.
Step 202, buffer memory is carried out with registration message in the mobile base station in cache module, and this cache module can be the memory of inside, mobile base station.If external interface is closed, then registration message is carried out buffer memory; If external interface is opened, then do not need the buffer memory registration message, directly registration message is sent by external interface.
Step 203, the enrollment response message of this IMSI correspondence is searched in the mobile base station in cache module according to the IMSI that carries in the registration message, if find the register response result of this IMSI correspondence, then change step 204, if do not find the register response result of this IMSI correspondence, then change step 205.
Step 204, the mobile base station sends to portable terminal with the register response result who finds, and makes portable terminal according to register response completing place registration as a result.
Step 205, the mobile base station sends to portable terminal with the register response result of acquiescence, makes portable terminal according to register response completing place registration as a result.Wherein, can the register response result registering successfully of this acquiescence also can be the registration refusal, specifically adopts which kind of response results can be provided with and revise according to system status as the register response result of acquiescence.
Step 206, when the timer timing was full to the time-count cycle of setting or buffer memory, the mobile base station sent to the mobile base station controller with the registration message of buffer memory by external interface.Wherein, can with total buffer memory capacity 80% as the whether full criterion of buffer memory, to prevent information drop-out.If used buffer memory capacity less than 80% of total buffer memory capacity, then judge buffer memory less than; If used buffer memory capacity greater than 80% of total buffer memory capacity, judged that then buffer memory is full.Wherein, before registration message sends, need the affirmation external interface to set up successfully, to prevent setting up the information dropout that fault causes owing to external interface.Wherein, can send message buffered one by one, also can earlier message buffered be packaged into a piece of news, again by the message after the external interface transmission packing by the external interface that success is set up.This external interface is the interface between mobile base station and mobile base station controller, can satellite transmits interface or other wireless transmission interface.
Step 207, the mobile base station controller returns enrollment response message by external interface to the mobile base station, carries the IMSI in the registration message of this enrollment response message correspondence in every enrollment response message.
Step 208, original register response result who carries identical IMSI is replaced with the register response result cache in the enrollment response message in the mobile base station in cache module, discharge the registration message of the enrollment response message corresponding cache that receives.
In above-mentioned step 200 to step 208, on external interface, there is not transfer of data, be that the mobile base station does not send registration message by external interface to the mobile base station controller, the mobile base station controller also not by external interface when the mobile base station sends enrollment response message, the mobile base station can be closed this external interface, thereby has reduced the service time of external interface.
In the embodiments of the invention, when the timer timing is full to the time-count cycle of setting or buffer memory, send the registration message of buffer memory to the mobile base station controller by external interface, and when not having the transmission of registration message or enrollment response message on the described external interface, close this external interface, reduce the service time of external interface, improved the utilization ratio of external interface.And, behind the registration message of receiving from portable terminal, send to portable terminal during with the register response fructufy of the register response result of buffer memory or acquiescence, make portable terminal can be done in real time location registers.
The embodiment of the invention provides a kind of method of monitoring message transmission, as shown in Figure 3, may further comprise the steps:
Step 303, when the timer timing when the time-count cycle of setting or cache module have been expired, the mobile base station sends to the mobile base station controller with the monitoring message of buffer memory by external interface.Wherein, can with total buffer memory capacity 80% as the whether full criterion of buffer memory, to prevent information drop-out.If used buffer memory capacity less than 80% of total buffer memory capacity, then judge buffer memory less than; If used buffer memory capacity greater than 80% of total buffer memory capacity, judged that then buffer memory is full.Wherein, before monitoring message sends, need the affirmation external interface to set up successfully, with the information dropout that prevents that the external interface fault from causing.Wherein, can send message buffered one by one, also can earlier message buffered be packaged into a piece of news, again by the message after the external interface transmission packing by the external interface that success is set up.This external interface is the interface between mobile base station and mobile base station controller, can satellite transmits interface or other wireless transmission interface.
To step 305, on external interface, do not have transfer of data in above-mentioned step 300, promptly the mobile base station not by external interface when the mobile base station controller sends monitoring message, the mobile base station can be closed this external interface.
In the embodiments of the invention, when the timer timing is full to the time-count cycle of setting or buffer memory, send the monitoring message of buffer memory to the mobile base station controller by external interface, and when not having monitoring message or the transmission of monitoring response message on the described external interface, close this external interface, reduce the service time of external interface, improved the utilization ratio of external interface.
The embodiment of the invention provides a kind of method of system message transmission, as shown in Figure 4, may further comprise the steps:
In the embodiments of the invention, mobile base station buffer memory and to portable terminal sending system message, when the mobile base station controller is judged the system message change, just send new system message to the mobile base station by external interface, reduce the service time of external interface, improved the utilization ratio of external interface.
The embodiment of the invention provides a kind of base station equipment, as shown in Figure 5, comprising:
Sending module 503 after being used for control module 501 and starting described external interface, sends cache module 502 message buffered by described external interface.
In the embodiments of the invention, when the timer timing is full to the time span of setting or buffer memory, send message by external interface, and when not having transfer of data on the described external interface, close described external interface, reduce the operating time of external interface, improved the utilization ratio of external interface.
The embodiment of the invention provides a kind of base station equipment, as shown in Figure 6, comprising:
Sending module 503 after being used for control module 501 and starting described external interface, sends cache module 502 message buffered by described external interface.
Wherein, sending module 503 specifically is used for by described external interface message buffered being sent one by one; Or send the message after the message buffered packing by described external interface.
Wherein,
Then sending module 503, specifically are used for sending by described external interface the registration message of cache module 502 buffer memorys;
Then cache module 502, also are used for the register response result that buffer memory carries from the enrollment response message of described external interface, and discharge the registration message of described enrollment response message corresponding cache.
Wherein, also comprise:
Sending module 503, also be used for finding the register response result corresponding with described IMSI if search module 504, the described register response result who finds is sent to described portable terminal, if searching module 504 does not find described register response result, the register response result who gives tacit consent to is sent to described portable terminal;
Wherein,
Then sending module 503, specifically are used for sending by described external interface the monitoring message of cache module 502 buffer memorys;
Then cache module 502, also are used for according to the monitoring message that discharges buffer memory from the monitoring response message of described external interface.
Wherein,
Sending module 503 also is used for according to eating dishes without rice or wine to require the system message with cache module 502 buffer memorys to send to portable terminal.
Correspondingly, the embodiment of the invention provides a kind of communication system, as shown in Figure 7, but comprises that mobile base station 701, mobile base station controller 702 and portable terminal 703 are connected with communication mode:
Described external interface when not having transmission of messages on its external interface, is closed in mobile base station 701, and starts timer, the message that buffer memory need send; When described timer timing is full to the time span of setting or buffer memory, start described external interface, send described message buffered by described external interface to mobile base station controller 702.
Mobile base station controller 702 judges whether described system message changes, if judged result is for being, then by described external interface to the described system message of mobile base station 701 transmissions.
Portable terminal 703 sends registration message to mobile base station 701, receives the register response result from mobile base station 701.
In the embodiments of the invention, when the timer timing is full to the time span of setting or buffer memory, send message by external interface, and when not having transfer of data on the described external interface, close described external interface, reduce the operating time of external interface, and the message that needs send has been carried out regular unified the transmission, improved the utilization ratio of external interface.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform, based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. the method for a transmission of messages is characterized in that, comprising:
When not having transmission of messages on the external interface, close described external interface, and start timer;
The message that mobile terminal receive sends, the message that buffer memory need send;
When described timer timing is full to the time span of setting or buffer memory, start described external interface, send described message buffered by described external interface,
Described message is insensitive to time delay, and/or the message of cycle timed sending;
The message that described buffer memory need send comprises:
Buffer memory is from the registration message that carries international mobile subscriber identity IMSI of portable terminal;
Describedly send described message buffered by described external interface and comprise:
Send the registration message of buffer memory by described external interface.
2. the method for claim 1 is characterized in that, after the registration message that carries IMSI of described buffer memory from portable terminal, also comprises:
Search the register response result of described IMSI correspondence;
If find the register response result corresponding with described IMSI, then the described register response result who finds is sent to described portable terminal, if do not find described register response result, then the register response result with acquiescence sends to described portable terminal.
3. the method for claim 1 is characterized in that, after the described registration message by external interface transmission buffer memory, also comprises:
Reception is from the enrollment response message of described external interface;
Upgrade original register response result in the buffer memory according to the register response result who carries in the enrollment response message that receives;
Discharge the registration message of the enrollment response message corresponding cache that receives.
4. the method for claim 1 is characterized in that,
The message that described buffer memory need send comprises:
The monitoring message that buffer memory generates according to self-condition, described monitoring message comprises carrier frequency resource status report messages and/or fault warning message and/or traffic measurement message;
Describedly send described message buffered by described external interface and comprise:
Send the monitoring message of buffer memory by described external interface.
5. method as claimed in claim 4 is characterized in that, after the described monitoring message by external interface transmission buffer memory, also comprises:
Reception is from the monitoring response message of described external interface;
Discharge the monitoring message of the monitoring response message corresponding cache that receives.
6. the method for claim 1 is characterized in that, also comprises:
Reception is from the system message of described external interface;
According to original system message in the system message update buffer memory that receives.
7. method as claimed in claim 6 is characterized in that, and is described according to after original system message in the system message update buffer memory that receives, and also comprises:
Require the system message of described reception is sent to portable terminal according to eating dishes without rice or wine.
8. method as claimed in claim 6 is characterized in that, before the system message of described reception from described external interface, also comprises:
The mobile base station controller judges whether described system message changes, if judged result is for being, and the system message by described external interface transmission reception then.
9. a base station equipment is characterized in that, comprises control module, cache module and sending module:
Described control module is used for closing described external interface when not having transmission of messages on the external interface, and starts timer, when described timer timing completely the time, starts described external interface to the time span of setting or described cache module memory space;
Described cache module is used for after described control module is closed described external interface, and buffer memory is closed the message that described external interface reports later on needs transmission;
Described sending module after being used for described control module and starting described external interface, sends described cache module message buffered by described external interface,
Described message is insensitive to time delay, and/or the message of cycle timed sending;
The message that described buffer memory need send comprises:
Buffer memory is from the registration message that carries international mobile subscriber identity IMSI of portable terminal;
Describedly send described message buffered by described external interface and comprise:
Send the registration message of buffer memory by described external interface.
10. as base station equipment as described in the claim 9, it is characterized in that,
Described cache module specifically is used for the registration message that carry IMSI of buffer memory from portable terminal;
Then described sending module specifically is used for sending by described external interface the registration message of described cache module buffer memory;
Then described cache module also is used for the register response result that buffer memory carries from the enrollment response message of described external interface, and discharges the registration message of described enrollment response message corresponding cache.
11. as base station equipment as described in the claim 10, it is characterized in that, also comprise:
Search module, be used for searching the register response result of described IMSI correspondence at described cache module;
Then described sending module, also be used for if the described module searches of searching arrives the register response result corresponding with described IMSI, the described register response result who finds is sent to described portable terminal, if the described module of searching does not find described register response result, the register response result who gives tacit consent to is sent to described portable terminal.
12. as base station equipment as described in the claim 9, it is characterized in that,
Described cache module specifically is used for the monitoring message that buffer memory generates according to self-condition, and described monitoring message comprises carrier frequency resource status report messages and/or fault warning message and/or traffic measurement message;
Then described sending module specifically is used for the monitoring message by described external interface transmission buffer memory;
Then described cache module also is used for according to the monitoring message that discharges buffer memory from the monitoring response message of described external interface.
13. as base station equipment as described in the claim 9, it is characterized in that,
Described cache module also is used for the system message of buffer memory from described external interface;
Described sending module also is used for according to eating dishes without rice or wine to require the system message with described cache module buffer memory to send to portable terminal.
14. a communication system, but comprise that mobile base station controller, mobile base station and portable terminal are connected with communication mode, it is characterized in that,
Described external interface when not having transmission of messages on its external interface, is closed in described mobile base station, and starts timer; The message that receiving terminal sends, the message that buffer memory need send; When described timer timing is full to the time span of setting or buffer memory, start described external interface, send described message buffered by described external interface,
Described message is insensitive to time delay, and/or the message of cycle timed sending;
The message that described buffer memory need send comprises:
Buffer memory is from the registration message that carries international mobile subscriber identity IMSI of portable terminal;
Describedly send described message buffered by described external interface and comprise:
Send the registration message of buffer memory by described external interface.
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| CN2008101802983A CN101437301B (en) | 2008-12-04 | 2008-12-04 | Method, equipment and communication system for transmitting message |
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| CN2008101802983A CN101437301B (en) | 2008-12-04 | 2008-12-04 | Method, equipment and communication system for transmitting message |
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| CN101437301B true CN101437301B (en) | 2011-02-09 |
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| CN102905305B (en) * | 2011-07-25 | 2015-07-01 | 联芯科技有限公司 | Reporting method and user terminal for buffer status report |
| CN107436735A (en) * | 2017-07-28 | 2017-12-05 | 郑州云海信息技术有限公司 | State of memory cells update method in a kind of distributed file system |
| CN109560976B (en) * | 2017-09-25 | 2021-06-08 | 北京国双科技有限公司 | Message delay monitoring method and device |
| CN107992916A (en) * | 2017-12-12 | 2018-05-04 | 广东电网有限责任公司江门供电局 | A kind of RFID Card Readers information filtering system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1414739A (en) * | 2001-10-26 | 2003-04-30 | 深圳市中兴通讯股份有限公司上海第二研究所 | Ethernet communication device and method between data processing single board |
| CN1669354A (en) * | 2002-09-27 | 2005-09-14 | 诺基亚公司 | Multicast data transfer |
| CN1972476A (en) * | 2005-11-25 | 2007-05-30 | 华为技术有限公司 | A sending method for short message |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414739A (en) * | 2001-10-26 | 2003-04-30 | 深圳市中兴通讯股份有限公司上海第二研究所 | Ethernet communication device and method between data processing single board |
| CN1669354A (en) * | 2002-09-27 | 2005-09-14 | 诺基亚公司 | Multicast data transfer |
| CN1972476A (en) * | 2005-11-25 | 2007-05-30 | 华为技术有限公司 | A sending method for short message |
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