CN101754291A - Host device, mobile station, serving base station, target base station and communication method thereof - Google Patents
Host device, mobile station, serving base station, target base station and communication method thereof Download PDFInfo
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- CN101754291A CN101754291A CN200810186831A CN200810186831A CN101754291A CN 101754291 A CN101754291 A CN 101754291A CN 200810186831 A CN200810186831 A CN 200810186831A CN 200810186831 A CN200810186831 A CN 200810186831A CN 101754291 A CN101754291 A CN 101754291A
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Abstract
The invention relates to a host device, mobile station(s), a serving base station and a target base station for a wireless network, and a communication method thereof. The wireless network comprises at least one mobile station, the host device, the serving base station and the target base station, wherein the at least one mobile station and the host device belong to the same switching group and receive a switching requirement signal from the serving base station, the host device sends, according to the switching requirement signal, a switching confirmation signal to the serving base station so that the at least one mobile station and the host device in the switching group are switched to the target base station. Thus, the at least one mobile station can be switched to the target base station without transmitting the switching requirement signal to the serving base station, thereby saving the bandwidth of the wireless network.
Description
Technical field
The invention relates to a kind of host apparatus, travelling carriage, serving BS, target BS and means of communication thereof that are applicable to a wireless network.More specifically, the invention relates to a kind of host apparatus, travelling carriage, serving BS, target BS and means of communication thereof that are applicable to the wireless network of a tool handoff functionality.
Background technology
Along with the progress of science and technology, people are also more and more higher for the requirement of communication, and except the requirement to communication quality, the convenience of communication also more and more comes into one's own.Wireless telecommunications have does not need the wiring of entity communication network, mobility advantages of higher, therefore had the mobile product (being travelling carriage) of wireless communication function in recent years, for example mobile phone, mobile computer or the like also more and more are subjected to people's favor, become the main flow on the consumer electronic product market.
Yet; on reality is used; travelling carriage is often in response to the variation of environment of living in; need to switch (handover) between each base station; to guarantee certain wireless telecommunications quality; therefore in some specific environment (for example: train, bus, subway, high ferro or the like), through regular meeting the action that a large amount of travelling carriages switches takes place.Be more specifically explanation, see also Fig. 1, it is the schematic diagram of a wireless network 1, wireless network 1 comprises base station 11,13 and travelling carriage 15,17,19, base station 11 has a range of signal 110, base station 13 has a range of signal 130, and the user of travelling carriage 15,17,19 is just taking at present on a bus 2.
See it by Fig. 1, travelling carriage 15,17, the 19th, be in together on the bus 2, in other words, travelling carriage 15,17,19 can be regarded as being in same environment, if bus 2 is just moved the range of signal 113 of past base station 13 at present by the range of signal 110 of base station 11, by travelling carriage 15,17,19 angle is seen it, the signal strength signal intensity of base station 11 weakens just gradually, the signal strength signal intensity of base station 13 strengthens just gradually, for guaranteeing certain wireless telecommunications quality, travelling carriage 15,17,19 carry out in the interval switching to action by base station 13 by base station 11 most probably at one time, in such cases, travelling carriage 15,17,19 need be distinctly and base station 13 carry out changeover program, this will cause base station 11 and 13 in the switching time interval, needs to handle the relevant control message of a large amount of changeover programs, increases the weight of the burden of base station 11 and 13, and in response to the relevant control of changeover program message in the base station 11 and 13 and travelling carriage 15,17,19 come and go, the frequency range of wireless network 1 also will be taken in a large number.
In sum, how when carrying out changeover program, effectively reduce base station and wireless network when travelling carriage switches, handle the burden of the relevant control of changeover program message, with the efficient of increase switching and the effective utilization of overall network, the dealer who becomes this field needs the problem of solution badly.
Summary of the invention
A purpose of the present invention is to provide a kind of host apparatus that is applicable to a wireless network, this wireless network comprises at least one travelling carriage, a serving BS and a target BS, this at least one travelling carriage and this host apparatus belong to same switching group, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, and this host apparatus comprises one and receives a module and a transmission module.This receives module and receives an information relevant with this target BS in order to this serving BS certainly, and requires signal in order to this serving BS reception one certainly with group's switching that the mode of multicasting sends; And should send module, and in order to switch signal and this information of requiring, send one and switch confirmation signal to this serving BS according to this group, make this at least one travelling carriage and this host apparatus of this switching group switch to this target BS.
Another object of the present invention is to provide a kind of means of communication that are applicable to a host apparatus, this host apparatus is applicable to a wireless network, this wireless network comprises at least one travelling carriage, a serving BS and a target BS, this at least one travelling carriage and this host apparatus belong to same switching group, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, and these means of communication comprise the following step: this serving BS receives an information relevant with this target BS certainly; Receive a group's switching that sends in (multicast) mode that multicasts from this serving BS and require signal; And switch signal and this information of requiring according to this group, and send a switching confirmation signal to this serving BS, make this at least one travelling carriage and this host apparatus of this switching group switch to this target BS.
Another purpose of the present invention is to provide a kind of travelling carriage that is applicable to a wireless network, this wireless network comprises a host apparatus, one serving BS and a target BS, this host apparatus and this travelling carriage see through this serving BS separately and carry out communication, this travelling carriage comprises: a reception/transmission module, add signal to this host apparatus in order to send a group, make this host apparatus add signal this travelling carriage and this host apparatus are added a switching group in response to this group, receive an information relevant in order to this serving BS certainly, and require signal with group's switching that the mode of multicasting sends in order to this serving BS reception one certainly with this target BS; And one handle module, switches according to this group to require signal and this information, switches to this target BS.
Another purpose of the present invention is to provide a kind of means of communication that are applicable to a travelling carriage, this travelling carriage is applicable to a wireless network, this wireless network comprises a host apparatus, a serving BS and a target BS, this host apparatus and this travelling carriage see through this serving BS separately and carry out communication, these means of communication comprise the following step: send a group and add signal to this host apparatus, make this host apparatus add signal in response to this group this travelling carriage and this host apparatus are added a switching group; Receive an information relevant from this serving BS with this target BS; Receive a group's switching that sends in the mode of multicasting from this serving BS and require signal; And switch according to this group and to require signal and this information, switch to this target BS.
Another purpose of the present invention is to provide a kind of serving BS that is applicable to a wireless network, this wireless network comprises at least one travelling carriage, one host apparatus and a target BS, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, this host apparatus and the same switching of these at least one mobile relatives of Taiwan compatriots living on the Mainland group, this serving BS comprises: one sends module, in order to a broadcast mode, send an information relevant with this target BS, and in order to a group broadcast mode, sending group switching requires signal to this at least one travelling carriage and this host apparatus, to require this at least one travelling carriage and this host apparatus to switch to this target BS, and make this host apparatus require signal, send one and switch confirmation signal according to this information and the switching of this group; And one receive module, in order to receive this switchings confirmation signal, reaches this at least one travelling carriage with this host apparatus that will switch group and switch to this target BS.
Another purpose of the present invention is to provide a kind of means of communication that are applicable to a serving BS, this serving BS is applicable to a wireless network, this wireless network comprises at least one travelling carriage, a host apparatus and a target BS, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, this host apparatus and the same switching of these at least one mobile relatives of Taiwan compatriots living on the Mainland group, these means of communication comprise the following step: with a broadcast mode, send an information relevant with this target BS; With a group broadcast mode, sending group switching requires signal to this at least one travelling carriage and this host apparatus, requiring this at least one travelling carriage and this host apparatus to switch to this target BS, and this host apparatus is switched according to this information and this group require signal, send one and switch confirmation signal; And receive this switching confirmation signal, switch to this target BS with this host apparatus and this at least one travelling carriage that will switch group.
Another purpose of the present invention is to provide a kind of target BS that is applicable to a wireless network, this wireless network comprises at least one travelling carriage, one host apparatus and a serving BS, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, this host apparatus and the same switching of these at least one mobile relatives of Taiwan compatriots living on the Mainland group, this target BS comprises: one receives module, after being used to this host apparatus of this switching group and this at least one travelling carriage and switching to this target BS, send one and upload information, make this host apparatus upload information and this target BS and carry out a handover network and enter optimization procedure according to this to this host apparatus; And one send module, in order to send a handoff completion signal with a group broadcast mode, reaches this at least one travelling carriage with this host apparatus of informing this switchings group and switched to this target BS.
A further object of the present invention is to provide a kind of means of communication that are applicable to a target BS, this target BS is applicable to a wireless network, this wireless network comprises at least one travelling carriage, one host apparatus and a serving BS, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, this host apparatus and the same switching of these at least one mobile relatives of Taiwan compatriots living on the Mainland group, these means of communication comprise the following step: after this host apparatus of this switching group and this at least one travelling carriage switch to this target BS, send one and upload information, make this host apparatus upload information and this target BS and carry out a handover network and enter optimization procedure according to this to this host apparatus; And send a handoff completion signal with a group broadcast mode, switched to this target BS with this host apparatus and this at least one travelling carriage of informing this switching group.
In sum, can know the disclosed technology of the present invention, be to see through the travelling carriage that this host apparatus representative belongs to same group, carry out changeover program with this serving BS and this target BS, when switching with the travelling carriage that is reduced to same group, the burden of this serving BS, this target BS and this wireless network, whereby, the present invention can effectively overcome the shortcoming of prior art.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 is a schematic diagram of the wireless network of prior art;
Fig. 2 is a schematic diagram of wireless network of the present invention;
Fig. 3 is the schematic diagram of the wireless network of the first embodiment of the present invention;
Fig. 4 is the schematic diagram of the travelling carriage of first embodiment;
Fig. 5 is the schematic diagram of the host apparatus of first embodiment;
Fig. 6 is the schematic diagram of the serving BS of first embodiment;
Fig. 7 is the schematic diagram of the destination apparatus of first embodiment;
Fig. 8 A is the part flow chart of the second embodiment of the present invention;
Fig. 8 B is the part flow chart of the second embodiment of the present invention;
Fig. 8 C is the part flow chart of the second embodiment of the present invention; And
Fig. 8 D is the part flow chart of the second embodiment of the present invention.
The main element symbol description:
1: wireless network 11: base station
110: range of signal 13: base station
130: range of signal 15,17,19: travelling carriage
2: bus
21: host apparatus 210: control signal
211: receive module 214: switch confirmation signal
213: send module 215: control die set
217: handle module 3: wireless network
31: serving BS 310: range of signal
311: reception/transmission module 312: information
313: judge module 314: group's switching requires signal
316: judged result 33: target BS
330: range of signal 331: reception/transmission module
332: upload information 334: handoff completion signal
35,37,39: travelling carriage 350: group adds signal
351: reception/transmission module 353: handle module
40: switch group and add program 42: the group that multicasts adds program
44: handover network enters optimization procedure
Embodiment
Below will explain content of the present invention through embodiment, description of the invention is the means of communication that are used for wireless network about a kind of, and this kind means of communication are specially adapted to a large amount of mobile communication device collective actions Zone switched in wireless network.Embodiments of the invention are not limited to particular environment, application or enforcement, and therefore, the description of following examples is not restriction of the present invention only for the purpose of illustration.
Before the explanation embodiment of the invention, define enforcement environment of the present invention earlier, see also Fig. 2, it is the schematic diagram of a wireless network 3, wireless network 3 comprises base station 31,33, travelling carriage 35,37,39 and one host apparatus 21, base station 31 has a range of signal 310, base station 33 has a range of signal 330, travelling carriage 35,37,39 user is just taking a bus 2, bus 2 is just moved the range of signal 330 of past base station 33 at present by the range of signal 310 of base station 31, by travelling carriage 35,37,39 angle is seen it, the signal strength signal intensity of base station 31 weakens just gradually, the signal strength signal intensity of base station 33 strengthens just gradually, for guaranteeing certain wireless telecommunications quality, travelling carriage 35,37,39 will switch to base station 33 by base station 31 through host apparatus 21, in addition, because travelling carriage 35,37,39 is to provide any wireless network services by base station 31 at present, base station 31 can be regarded as a serving BS, travelling carriage 35,37,39 desire to switch to base station 33, it can be regarded as a target BS, for simplicity's sake, following embodiment will be with travelling carriage 35 and serving BS 31, target BS 33, the interaction of host apparatus 21 is the example explanation, travelling carriage 37 is identical with travelling carriage 35 with the function that 39 tools switch, and does not add at this and gives unnecessary details.
The first embodiment of the present invention as shown in Figure 3, it is the schematic diagram of a wireless network 3, this wireless network 3 comprises serving BS 31, target BS 33, travelling carriage 35 and a host apparatus 21, in present embodiment, wireless network 3 is the WiMAX wireless networks according to the construction of IEEE 802.16e standard institute, in other embodiment, wireless network 3 can be according to other wireless network standards construction, not as limit.
In addition, what need emphasize is, wireless network 3 is according to the construction of IEEE 802.16e standard institute, therefore serving BS 31 is to be connected to an access service network router (Access ServicesNetwork Gateway) WiMAX user radio access service is provided with target BS 33, and transmission authentication, authorize and transaction valuation (Authentication, Authorization and Session Accounting) message gives WiMAX user side (being travelling carriage 35) the affiliated networking service supplier of family (Home Network Service Provider, H-NSP), to keep connection state.In other words, in present embodiment, serving BS 31 and target BS 33 be with a plurality of base stations line of access service network router line wherein two, it can be this field has and knows that usually the knowledgeable institute understands easily, do not add at this and to give unnecessary details, and the access service network router that is arranged in for simplicity's sake, serving BS 31 and target BS 33 rear ends does not show in figure.
When the user of travelling carriage 35 enters bus 2, to send a group and add signal 350 to host apparatus 21, make host apparatus 21 add signal 350 in response to group, carry out a switching group adding program 40 in travelling carriage 35 and 21 of host apparatus, so that travelling carriage 35 and host apparatus 21 are added a switching group, in this enforcement, host apparatus 21 can be a card reader that is installed on the bus, as a passenger (being the user of travelling carriage 35) when climbing up bus, only need travelling carriage 35 is read by card reader, it just can be regarded as adding a switching group identical with card reader, the person of noting, in other embodiment, host apparatus 21 also can be travelling carriage 35,37,39 one of them, how by travelling carriage 35,37, pick out one of them in 39 and can reach by prior art, do not add at this and give unnecessary details as host apparatus 21.
After travelling carriage 35 adds switching group, host apparatus 21 just can send a control signal 210 to travelling carriage 35, requires function to close its switching, in other words, travelling carriage 35 is to switch to group's switch mode and can't initiatively propose to switch requirement after adding switching group.Next, serving BS 31, target BS 33, travelling carriage 35 and 21 of host apparatus will carry out the group that multicasts and add program (multicastgroup joining procedure) 42, make travelling carriage 35 and host apparatus 21 add one of wireless networks 3 group that multicasts.In more detail, the group's adding program that multicasts be in travelling carriage 35, host apparatus 21 and and the access service network router of serving BS 31 and target BS 33 lines between carry out so that to access service network router registration travelling carriage 35.
When bus 2 continuation were moved toward target BS 33 directions, serving BS 31 will initiatively require travelling carriage 35 and host apparatus 21 to switch to target BS 33, made travelling carriage 35 and host apparatus 21 keep the certain communication qualities.Therefore, serving BS 31 will enter one with target BS 33 and access service network router earlier and switch the preparatory stage (handover preparation phase), switch resource requirement to keep in advance, after handoff preparation phase is finished, serving BS 31 will initiatively send group switching with a group broadcast mode and require signal 314, because travelling carriage 35 and host apparatus 21 have added the group that multicasts, travelling carriage 35 and host apparatus 21 just can receive group's switching and require signal 314, need switch to target BS 33 to learn, travelling carriage 35 in receive group switch require signal 314 after, just close its upload function, with avoid in after the carrying out of disturbance switching in the handoff procedure.In addition, be to meet the IEEE802.16e standard in response to wireless network 3, serving BS 31 is more with broadcast mode, regularly sends the information 312 relevant with target BS 33, makes travelling carriage 35 and host apparatus 21 can regularly learn the situation of target BS 33.
After travelling carriage 35 is closed upload function, host apparatus 21 requires signal 314 and information 312 to send a switching confirmation signal 214 to serving BS 31 according to group's switching, with notification service base station 31, can assist travelling carriage 35 and host apparatus 21 are switched to target BS 33, after serving BS 31 receives and switches confirmation signal 214, just enter all move the stage of doing (handover action phase) with target BS 33 and access service network router, to be disposed at handoff preparation phase institute resources reserved.
After finishing in the change action stage, serving BS 31 just can assist travelling carriage 35 and host apparatus 21 to switch to target BS 33, the person of noting, though this moment, travelling carriage 35 and host apparatus 21 switched to target BS 33, changeover program is not finished fully.Next, target BS 33 will send one and upload information (uplink map) 332 to host apparatus 21, make host apparatus 21 can send a signal to target BS 33, but palpus attention person, because the upload ability of travelling carriage 35 is closed before switching to target BS 33, this moment, travelling carriage 35 still can't send any signal to target BS 33.
For illustrating further serving BS 31, target BS 33, travelling carriage 35, the function of host apparatus 21 in handoff procedure, see also Fig. 4, it is the schematic diagram of a travelling carriage 35, travelling carriage 35 comprises a reception/transmission module 351 and and handles module 353.The reception of travelling carriage 35/transmission module 351 adds signal 350 to host apparatus 21 in order to send group.Qing Yi Merger consults Fig. 5, it is the schematic diagram of a host apparatus 21, host apparatus 21 comprises one and receives module 211, a transmission module 213, a control die set 215 and a processing module 217, after the reception module 211 of host apparatus 21 receives group's adding signal 350, handle module 217 in order to add signal 350, travelling carriage 35 and host apparatus 21 are added switching group in response to group.
After travelling carriage 35 and host apparatus 21 belong to a switching group together, the control die set 215 of host apparatus 21, just see through and send module 213 transmissions one control signal 210 to travelling carriage 35, require function with the switching of closing travelling carriage 35, reception/transmission module 351 at travelling carriage 35, after host apparatus 21 received control signal 210, it handled module 353 more in response to control signal 210, closed a switching and required function.
In addition, after travelling carriage 35 and host apparatus 21 adding switching groups, the processing module 217 of host apparatus 21 just can see through the group that multicasts and add program 42, to access service network router registration travelling carriage 35, to inform serving BS 31 and target BS 33, group has multicasted one of travelling carriage 35 and host apparatus 21 adding wireless networks 3.Afterwards, travelling carriage 35 and host apparatus 21 just can receive the signal that serving BS 31 and target BS 33 send in the mode of multicasting.
See also Fig. 6, it is the schematic diagram of serving BS 31, serving BS 31 comprises a reception/transmission module 311, reception/transmission module 311 is in order to add program 42 with target BS 33 group that multicasts, to register travelling carriage 35 to the access service network router, make travelling carriage 35 and host apparatus 21 add the group that multicasts of wireless network 3, reception/transmission module 311 is more in order to a broadcast mode, regularly send an information 312 relevant, its objective is to be to inform the travelling carriage 35 that belongs to wireless network 3 and the relevant information of host apparatus 21 target BS 33 with target BS 33.
Then, the reception of serving BS 31/transmission module 311 sends group switching and requires signal 314 to travelling carriage 35 and host apparatus 21 more with a group broadcast mode, prepares to switch to target BS 33 to require travelling carriage 35 and host apparatus 21.The reception module 211 of the reception of travelling carriage 35/transmission module 351 and host apparatus 21, be received from the group that serving BS 31 sent and switch signal 314 and the information 312 of requiring, the processing module 353 of travelling carriage 35 more requires signal 314 in order to switch according to group, closes the upload function of travelling carriage 35.
After travelling carriage 35 is closed its upload function, the transmission module 213 of host apparatus 21 is in order to switch signal 314 and the information 312 of requiring according to group, send one and switch confirmation signal 214 to serving BS 31, to inform that travelling carriage 35 and host apparatus 21 that serving BS 31 can assist to switch group switch to target BS 33, after the reception of serving BS 31/transmission module 311 received and switches confirmation signal 214, host apparatus 21 and the travelling carriage 35 that just will assist to switch group switched to target BS 35.
At last, please in the lump with reference to Fig. 7, it is the schematic diagram of target BS 33, target BS 33 comprises a reception/transmission module 331, reception/transmission module 331 is in order to add program 42 with serving BS 31 group that multicasts, make travelling carriage 35 and host apparatus 21 add the group that multicasts of wireless network 3, after the host apparatus 21 that switches group and travelling carriage 35 switch to target BS 33, the reception of target BS 33/transmission module 331 is more uploaded information 332 to host apparatus 21 in order to send one, to inform that host apparatus 21 can carry out a handover network with target BS 33 and enters optimization procedure 44 according to uploading information 332, after the reception module 211 of host apparatus 21 receives and uploads information 332, the processing module 217 of host apparatus 21 carries out handover network with target BS 33 and enters optimization procedure 44 in order to according to uploading information 332.
After handover network enters optimization procedure 44 and finishes, the reception of target BS 33/transmission module 331 is in order to send a handoff completion signal 334 with a group broadcast mode, inform that the host apparatus 21 and the travelling carriage 35 that switch group have switched to target BS 33, after host apparatus 21 receives module 211 these handoff completion signals 334 of reception, just learn to have switched to target BS 33.In addition, the reception of travelling carriage 35/transmission module 351 is more in order to receive handoff completion signal 334 from target BS 33, just learn and finished the action that switches to target BS 33 from serving BS 31, and the processing module 353 of travelling carriage 35 more in response to this handoff completion signal 334, restarts upload function.
In sum, the present invention mainly is the travelling carriage that sees through the same group of host apparatus 21 representatives, carry out communication with serving BS 31 and target BS 33, to avoid a large amount of travelling carriages when Zone switched, carry out communication with serving BS 31 and target BS 33 separately respectively, increase the burden of serving BS 31, target BS 33 and wireless network 3, whereby, can overcome the shortcoming of prior art.
The second embodiment of the present invention is shown in Fig. 8 A to 8D, and it is the flow chart of the means of communication that is used for the wireless network 3 of first embodiment, please consults Fig. 8 A earlier.At first, execution in step S801, serving BS send a group to add signal to this host apparatus, make this host apparatus add signal with this travelling carriage and the same switching of this host apparatus adding group in response to this group.
Then, execution in step S802, host apparatus adds signal in response to a group of this at least one travelling carriage, should add this switching group by at least one travelling carriage, then, execution in step S803, host apparatus send one and control signal to this at least one travelling carriage, require function with the switching of closing this at least one travelling carriage, then, execution in step S804, travelling carriage receives a control signal from this host apparatus, and, close a switching and require function in response to this control signal.
Then, execution in step S805, host apparatus adds this switching group in response to this at least one travelling carriage, see through one multicast group add program will this at least one travelling carriage and this host apparatus add one of this wireless network group that multicasts, execution in step S806, this target BS and this serving BS carry out the group that multicasts and add the step of program, make this at least one travelling carriage and this host apparatus add one of this wireless network group that multicasts, to register this travelling carriage to the access service network router.
See also Fig. 8 B, execution in step S807, serving BS is with a broadcast mode, send an information relevant with this target BS, then, execution in step S808, host apparatus and travelling carriage receive an information relevant with this target BS from this serving BS, execution in step S809, serving BS sends group switching and requires signal to this at least one travelling carriage and this host apparatus with a group broadcast mode, switches to this target BS to require this at least one travelling carriage and this host apparatus, execution in step S810, host apparatus and travelling carriage receive a group's switching that sends in the mode of multicasting from this serving BS and require signal.Then, carry out step S811, travelling carriage requires signal in response to this group's switching, close a upload function, execution in step S812, host apparatus switches signal and this information of requiring according to this group, sends one and switches confirmation signal to this serving BS, makes this at least one travelling carriage and this host apparatus of this switching group switch to this target BS.
See also Fig. 8 C, execution in step S813, travelling carriage switches signal and this information of requiring according to this group, switch to this target BS, execution in step S814, serving BS receives this switching confirmation signal, switch to this target BS with this host apparatus and this at least one travelling carriage of assisting this switching group, execution in step S815, target BS is after this host apparatus of this switching group and this at least one travelling carriage switch to this target BS, send one and upload information, make this host apparatus upload information and this target BS and carry out a handover network and enter optimization procedure according to this to this host apparatus.
Then, execution in step S816, host apparatus is after this at least one travelling carriage of this switching group and this host apparatus switch to this target BS, receive one from this target BS and upload information, then, execution in step S817, host apparatus is uploaded information according to this, carries out a handover network with this target BS and enters optimization procedure.See also Fig. 8 D, execution in step S818, target BS sends a handoff completion signal with a group broadcast mode, switched to this target BS with this host apparatus and this at least one travelling carriage of informing this switching group, then, execution in step S819, host apparatus receives a handoff completion signal from this target BS, execution in step S820, travelling carriage receives this handoff completion signal from this target BS, has switched to this target BS to learn this travelling carriage, at last, execution in step S821, travelling carriage restart this upload function in response to this handoff completion signal.
Except that abovementioned steps, second embodiment also can carry out in all functions and the operation described in first embodiment, is familiar with this technical field person and can understands easily according to the associated description of first embodiment, does not add at this and gives unnecessary details.
Aforesaid method can utilize computer program to be realized, and computer program can be stored in the computer-readable recording medium.When a microprocessor is written into the basic program of calculating, can carry out a plurality of program command, to produce a kind of host apparatus, travelling carriage, serving BS, target BS and means of communication thereof that are applicable to a wireless network.Computer-readable medium storing can be floppy disk, hard disk, CD, flash memory, tape, can or be familiar with the Storage Media that this operator can think and have identical function easily by the data bank of network access.
In sum, the present invention is with host apparatus and travelling carriage grouping, make travelling carriage switch to group's switch mode, and see through the travelling carriage that this host apparatus representative belongs to same group, carry out changeover program with this serving BS, this target BS and access service network router, when being reduced to the travelling carriage switching of same group, the burden of this serving BS, this target BS and this wireless network and the waste of frequency range, whereby, the present invention can effectively overcome the shortcoming of prior art.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to be used for limiting protection category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of the isotropism scope that all belongs to the present invention and advocated, the scope of the present invention should be as the criterion with claims.
Claims (24)
1. means of communication that are applicable to a host apparatus, this host apparatus is applicable to a wireless network, this wireless network comprises at least one travelling carriage, a serving BS and a target BS, this at least one travelling carriage and this host apparatus belong to same switching group, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, and these means of communication comprise the following step:
Receive an information relevant from this serving BS with this target BS;
Receive a group's switching that sends in the mode of multicasting from this serving BS and require signal; And
Switch signal and this information of requiring according to this group, send one and switch confirmation signal, make this at least one travelling carriage and this host apparatus of this switching group switch to this target BS to this serving BS.
2. the means of communication as claimed in claim 1 is characterized in that, more comprise the following step:
Send one and control signal to this at least one travelling carriage, require function with the switching of closing this at least one travelling carriage.
3. the means of communication as claimed in claim 1 is characterized in that, more comprise the following step:
After this at least one travelling carriage of this switching group and this host apparatus switched to this target BS, this target BS received one and uploads information certainly;
Upload information according to this, carry out a handover network with this target BS and enter optimization procedure; And
Receive a handoff completion signal from this target BS, switch to this target BS to learn.
4. the means of communication as claimed in claim 1 is characterized in that, more comprise the following step:
Group in response to this at least one travelling carriage adds signal, should add this switching group by at least one travelling carriage; And
Add this switching group in response to this at least one travelling carriage, see through one multicast group add program will this at least one travelling carriage and this host apparatus add one of this wireless network group that multicasts.
5. host apparatus that is applicable to a wireless network, this wireless network comprises at least one travelling carriage, a serving BS and a target BS, this at least one travelling carriage and this host apparatus belong to same switching group, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, and this host apparatus comprises:
One receives module, receives an information relevant with this target BS in order to this serving BS certainly, and requires signal in order to this serving BS reception one certainly with group's switching that the mode of multicasting sends; And
One sends module, in order to switch signal and this information of requiring according to this group, sends one and switches confirmation signal to this serving BS, makes this at least one travelling carriage and this host apparatus of this switching group switch to this target BS.
6. host apparatus as claimed in claim 5 is characterized in that, more comprises a control die set, controls signal to this at least one travelling carriage in order to send through this transmission module one, requires function with the switching of closing this at least one travelling carriage.
7. host apparatus as claimed in claim 5 is characterized in that, more comprises:
One handles module;
After wherein this reception module more is used to this at least one travelling carriage of this switching group and this host apparatus and switches to this target BS, receive one from this target BS and upload information, this processing module is in order to upload information according to this, carry out a handover network with this target BS and enter optimization procedure, this reception module more receives a handoff completion signal in order to this target BS certainly, switches to this target BS to learn.
8. host apparatus as claimed in claim 5, it is characterized in that, this is handled module and more adds signal in order to the group in response to this at least one travelling carriage, should add this switching group by at least one travelling carriage, and in order to adding this switching group in response to this at least one travelling carriage, see through one multicast group add program will this at least one travelling carriage and this host apparatus add one of this wireless network group that multicasts.
9. means of communication that are applicable to a travelling carriage, this travelling carriage is applicable to a wireless network, this wireless network comprises a host apparatus, a serving BS and a target BS, and this host apparatus and this travelling carriage see through this serving BS separately and carry out communication, and these means of communication comprise the following step:
Send a group and add signal, make this host apparatus add signal this travelling carriage and this host apparatus are added a switching group in response to this group to this host apparatus;
Receive an information relevant from this serving BS with this target BS;
Receive a group's switching that sends in the mode of multicasting from this serving BS and require signal; And
Require signal and this information according to this group's switching, switch to this target BS.
10. the means of communication as claimed in claim 9 is characterized in that, more comprise the following step:
Receive a control signal from this host apparatus; And
In response to this control signal, close a switching and require function.
11. the means of communication as claimed in claim 9 is characterized in that, more comprise the following step:
Require signal in response to this group's switching, close a upload function.
12. the means of communication as claimed in claim 9 is characterized in that, more comprise the following step:
Receive a handoff completion signal from this target BS, switched to this target BS to learn this travelling carriage; And
In response to this handoff completion signal, restart this upload function.
13. a travelling carriage that is applicable to a wireless network, this wireless network comprise a host apparatus, a serving BS and a target BS, this host apparatus and this travelling carriage see through this serving BS separately and carry out communication, and this travelling carriage comprises:
One reception/transmission module, add signal to this host apparatus in order to send a group, make this host apparatus add signal this travelling carriage and this host apparatus are added a switching group in response to this group, receive an information relevant in order to this serving BS certainly, and require signal with group's switching that the mode of multicasting sends in order to this serving BS reception one certainly with this target BS; And
One handles module, switches according to this group to require signal and this information, switches to this target BS.
14. travelling carriage as claimed in claim 13 is characterized in that, this reception/transmission module more receives a control signal in order to this host apparatus certainly, and this handles module more in order in response to this control signal, closes one and switches and require function.
15. travelling carriage as claimed in claim 13 is characterized in that, this processing module more requires signal in order to switch in response to this group, closes a upload function.
16. travelling carriage as claimed in claim 15, it is characterized in that this reception/transmission module more receives a handoff completion signal in order to this target BS certainly, has switched to this target BS to learn this travelling carriage, this handles module more in order in response to this handoff completion signal, restarts this upload function.
17. means of communication that are applicable to a serving BS, this serving BS is applicable to a wireless network, this wireless network comprises at least one travelling carriage, a host apparatus and a target BS, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, this host apparatus and the same switching of these at least one mobile relatives of Taiwan compatriots living on the Mainland group, these means of communication comprise the following step:
With a broadcast mode, send an information relevant with this target BS;
With a group broadcast mode, sending group switching requires signal to this at least one travelling carriage and this host apparatus, requiring this at least one travelling carriage and this host apparatus to switch to this target BS, and this host apparatus is switched according to this information and this group require signal, send one and switch confirmation signal; And
Receive this switching confirmation signal, switch to this target BS with this host apparatus and this at least one travelling carriage that will switch group.
18. the means of communication as claimed in claim 17 is characterized in that, more comprise the following step:
Carry out the group that multicasts with this target BS and add program, make this at least one travelling carriage and this host apparatus add one of this wireless network group that multicasts.
19. serving BS that is applicable to a wireless network, this wireless network comprises at least one travelling carriage, a host apparatus and a target BS, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, this host apparatus and the same switching of these at least one mobile relatives of Taiwan compatriots living on the Mainland group, this serving BS comprises:
One transmission/reception module, in order to a broadcast mode, send an information relevant with this target BS, and in order to a group broadcast mode, sending group switching requires signal to this at least one travelling carriage and this host apparatus, to require this at least one travelling carriage and this host apparatus to switch to this target BS, and make this host apparatus require signal according to this information and the switching of this group, send one and switch confirmation signal, this transmission/reception module is more in order to switch the transmission of confirmation signal in response to this, receive this switching confirmation signal, switch to this target BS with this host apparatus and this at least one travelling carriage that will switch group.
20. serving BS as claimed in claim 19 is characterized in that, this transmission/reception module more adds program in order to carry out the group that multicasts with this target BS, makes this at least one travelling carriage and this host apparatus add one of this wireless network group that multicasts.
21. means of communication that are applicable to a target BS, this target BS is applicable to a wireless network, this wireless network comprises at least one travelling carriage, a host apparatus and a serving BS, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, this host apparatus and the same switching of these at least one mobile relatives of Taiwan compatriots living on the Mainland group, these means of communication comprise the following step:
After this host apparatus of this switching group and this at least one travelling carriage switched to this target BS, transmission one was uploaded information to this host apparatus, made this host apparatus upload information and this target BS according to this and carried out a handover network and enter optimization procedure; And
Send a handoff completion signal with a group broadcast mode, switched to this target BS with this host apparatus and this at least one travelling carriage of informing this switching group.
22. the means of communication as claimed in claim 21 is characterized in that, more comprise one and carry out the group that multicasts with this serving BS and add the step of program, make this at least one travelling carriage and this host apparatus add one of this wireless network group that multicasts.
23. target BS that is applicable to a wireless network, this wireless network comprises at least one travelling carriage, a host apparatus and a serving BS, this host apparatus and this at least one travelling carriage see through this serving BS separately and carry out communication, this host apparatus and the same switching of these at least one mobile relatives of Taiwan compatriots living on the Mainland group, this target BS comprises:
One reception/transmission module, after being used to this host apparatus of this switching group and this at least one travelling carriage and switching to this target BS, send one and upload information to this host apparatus, making this host apparatus upload information and this target BS according to this carries out a handover network and enters optimization procedure, and more, switched to this target BS with this host apparatus and this at least one travelling carriage of informing this switching group in order to send a handoff completion signal with a group broadcast mode.
24. target BS as claimed in claim 23 is characterized in that, this reception/transmission module more adds program in order to carry out the group that multicasts with this serving BS, makes this at least one travelling carriage and this host apparatus add one of this wireless network group that multicasts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810186831A CN101754291A (en) | 2008-12-12 | 2008-12-12 | Host device, mobile station, serving base station, target base station and communication method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810186831A CN101754291A (en) | 2008-12-12 | 2008-12-12 | Host device, mobile station, serving base station, target base station and communication method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014124558A1 (en) * | 2013-02-18 | 2014-08-21 | 华为技术有限公司 | Method, device, and system for handover of user equipment group |
| WO2017167298A1 (en) * | 2016-04-01 | 2017-10-05 | Huawei Technologies Co., Ltd. | Methods for data communication to a platoon of connected vehicles |
-
2008
- 2008-12-12 CN CN200810186831A patent/CN101754291A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014124558A1 (en) * | 2013-02-18 | 2014-08-21 | 华为技术有限公司 | Method, device, and system for handover of user equipment group |
| US9271194B2 (en) | 2013-02-18 | 2016-02-23 | Huawei Technologies Co., Ltd. | Method, device, and system for handover of user equipment group |
| WO2017167298A1 (en) * | 2016-04-01 | 2017-10-05 | Huawei Technologies Co., Ltd. | Methods for data communication to a platoon of connected vehicles |
| CN108781372A (en) * | 2016-04-01 | 2018-11-09 | 华为技术有限公司 | The method of the data communication of formation for online vehicles |
| US10542464B2 (en) | 2016-04-01 | 2020-01-21 | Futurewei Technologies, Inc. | Methods for data communication to a platoon of connected vehicles |
| CN108781372B (en) * | 2016-04-01 | 2020-12-04 | 华为技术有限公司 | Method for data communication for formation of networked vehicles |
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