CN103945467A - Cell switching method and system, base station and terminal - Google Patents
Cell switching method and system, base station and terminal Download PDFInfo
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- CN103945467A CN103945467A CN201410160744.XA CN201410160744A CN103945467A CN 103945467 A CN103945467 A CN 103945467A CN 201410160744 A CN201410160744 A CN 201410160744A CN 103945467 A CN103945467 A CN 103945467A
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Abstract
The invention provides a cell switching method and system, a base station and a terminal. The cell switching method includes the steps of S1, sending measurement control information to the terminal, wherein the information required to be measured by the terminal is carried in the measurement control information, and the moving speed of the information is sent by the terminal; S2, receiving reporting information periodically sent by the terminal according to a preset period, wherein the moving speeds of the terminals are carried in the reporting information; S3, conducting statistics to obtain a first moving speed grade corresponding to the largest terminal number according to all the moving speeds carried in the received reporting information sent by the terminal; S4, obtaining a switch threshold value and a switch triggering time corresponding to the first moving speed grade according to the corresponding relation; S5, sending the switch threshold value and the switch triggering time to the terminal, and enabling the terminals to complete cell switching. By means of the cell switching method and system, the base station and the terminal, the network switch quality of the terminals can be met.
Description
Technical field
The present invention relates to communication technical field, relate in particular to cell switching method and system, base station, terminal.
Background technology
At communication technical field, when using the mobile terminal Cong Yige community (cell-of-origin) of network service to move to another community (Target cell), or due to reasons such as wireless transmission, service load quantity adjustment, activation manipulation maintenance, equipment faults, in order to ensure continuity and the perception of most users to network service quality of communication, system will be transferred to the communication link of this terminal and cell-of-origin on new Target cell, carry out community switching, ensure the continuity of communication and most of users' network service quality.
In prior art, the threshold value that the required measurement of correlation parameter reporting of terminal is set and allows terminal to report at source base station (base station that cell-of-origin is corresponding), wherein, this measurement of correlation parameter and threshold value are fixedly installed, this threshold value can be passed through RSRP(Reference Signal Received Power, Reference Signal Received Power) or RSRQ(Reference Signal Received Quality, Reference Signal Received Quality) weigh.That is to say, when the size of RSRP that terminal records or RSRQ exceedes predefined threshold value and keeps, after certain hour, could sending measurement of correlation parameter to source base station and triggering switching.
After call setup, source base station is to terminal sending measuring control message, wherein, in this measurement control message, carry the threshold value of terminal to report, the information that allows triggered time of reporting and terminal to report of allowing, the duration that the RSRP that terminal records or the value of RSRQ exceed threshold value is more than or equal to the triggered time, allows terminal to report; Terminal receives to be measured after control message, and in the situation that satisfied measurement reports thresholding and triggered time, terminal can send measurement report to source base station, has carried the information of target BS (base station that Target cell is corresponding) in this measurement report; Source base station, according to the information searching target BS of the target BS carrying in measurement report, is sent out handover request to target BS; After the success of target BS acceptance judging, be terminal distribution resource, send and switch permission message to source base station, source base station sends switching command to terminal, and terminal accesses in Target cell, handover success.Above-mentioned threshold value and triggered time are fixed in each fixing scene, can not threshold value and triggered time be set flexibly according to the translational speed of terminal.
Summary of the invention
The invention provides cell switching method and system, base station, terminal, can meet the network quality of handoff of more terminal.
First aspect, the invention provides a kind of cell switching method, in advance the translational speed of terminal is divided into at least two translational speed class, sets in advance the corresponding relation of translational speed class and switching condition, and the method comprises:
S1: send and measure control message to terminal, carry the information that requires its translational speed of terminal measure and transmit in this measurement control message;
S2: the reporting message that receiving terminal is periodically sent according to predetermined period, carries the translational speed of terminal in described reporting message;
S3: the translational speed of carrying in the reporting message of sending according to all terminals that receive counts the first translational speed class that counterpart terminal quantity is maximum;
S4: obtain handoff threshold value and the handover trigger time that described the first translational speed class is corresponding according to described corresponding relation;
S5: described handoff threshold value and handover trigger time are sent to terminal, make terminal complete community and switch.
Further, in described measurement control message, carry the terminal of carrying out community switching and need to send to the information of the parameter of base station.
Further, in described measurement control message, also comprise initial handoff threshold value;
The described corresponding relation that sets in advance translational speed class and switching condition, specifically comprises: set in advance the increment of translational speed class and handoff threshold value and the first corresponding relation of handover trigger time;
Described S4 specifically comprises:
Obtain increment and the handover trigger time of the handoff threshold value that described the first translational speed class is corresponding according to described the first corresponding relation;
Go out handoff threshold value according to the incremental computations of described initial handoff threshold value and described handoff threshold value.
Further, described in set in advance the corresponding relation of translational speed class and switching condition, specifically comprise: the second corresponding relation that sets in advance translational speed class and handoff threshold value and handover trigger time;
Described S4 specifically comprises:
Obtain according to described the second corresponding relation handoff threshold value and the handover trigger time that described the first translational speed class is corresponding.
Further, described S5 specifically comprises:
By radio resource control RRC reconfiguration message, described handoff threshold value and handover trigger time are sent to terminal.
Further, described step S5 comprises:
The measurement report that receiving terminal is sent, carries in this measurement report and carries out community and switch needed parameter;
Send community switching command according to described measurement report to terminal, make terminal complete community according to described community switching command and switch.
Second aspect, the invention provides a kind of cell switching method, and the method comprises:
D1: receive and measure control message, carry the information that requires its translational speed of terminal measure and transmit in this measurement control message;
D2: periodically send reporting message according to described measurement control message according to predetermined period, carry the translational speed of terminal in described reporting message.
Further, after step D2, also comprise:
Receive handoff threshold value and handover trigger time;
Complete community switching according to described handoff threshold value and handover trigger time.
The third aspect, the invention provides a kind of base station, and this base station comprises:
Storage unit, for preserving the translational speed class that sets in advance and the corresponding relation of switching condition;
Measure control message transmitting element, for sending and measure control message to terminal, in this measurement control message, carry the information that requires its translational speed of terminal measure and transmit;
The first receiving element, the reporting message of periodically sending according to predetermined period for receiving terminal, carries the translational speed of terminal in described reporting message;
Statistic unit, the translational speed of carrying for the reporting message of sending according to all terminals that receive counts the first translational speed class that counterpart terminal quantity is maximum;
Acquiring unit, for obtaining handoff threshold value and the handover trigger time that described the first translational speed class is corresponding according to described corresponding relation;
The first switch unit, sends to terminal for handoff threshold value and handover trigger time that described acquiring unit is obtained, makes terminal complete community and switches.
Further, in described measurement control message, carry the terminal of carrying out community switching and need to send to the information of the parameter of base station.
Further, in described measurement control message, also comprise initial handoff threshold value;
Described storage unit, for preserving the translational speed class and the increment of handoff threshold value and the first corresponding relation of handover trigger time that set in advance;
Described acquiring unit, for obtaining increment and the handover trigger time of the handoff threshold value that described the first translational speed class is corresponding according to described the first corresponding relation, and go out handoff threshold value according to the incremental computations of described initial handoff threshold value and described handoff threshold value.
Further, described storage unit, for preserving the translational speed class and the second corresponding relation of handoff threshold value and handover trigger time that set in advance;
Described acquiring unit, for obtaining handoff threshold value and the handover trigger time that described the first translational speed class is corresponding according to described the second corresponding relation.
Further, described the first switch unit, for sending to terminal by radio resource control RRC reconfiguration message by described handoff threshold value and handover trigger time.
Further, described the first switch unit, comprising:
Measurement report receiving element, the measurement report of sending for receiving terminal, carries in this measurement report and carries out community and switch needed parameter;
Switch subelement, for sending community switching command according to described measurement report to terminal, make terminal complete community according to described community switching command and switch.
Fourth aspect, the invention provides a kind of terminal, and described terminal comprises:
Measure control message receiving element, for receiving measurement control message, in this measurement control message, carry the information that requires its translational speed of terminal measure and transmit;
Reporting message transmitting element, for periodically sending reporting message according to described measurement control message according to predetermined period, carries the translational speed of terminal in described reporting message;
Further, described terminal also comprises:
The second receiving element, for receiving handoff threshold value and handover trigger time;
The second switch unit, for completing community switching according to described handoff threshold value and handover trigger time.
The 5th aspect, the invention provides a kind of community switched system, and described system comprises:
As the arbitrary base station in the third aspect, at least one is as the arbitrary terminal in fourth aspect.
The invention provides cell switching method and system, base station, terminal, the translational speed of terminal is divided into several class, count according to the translational speed of terminal to report the translational speed class that counterpart terminal is maximum, determine handoff threshold value and handover trigger time according to this translational speed class, can meet the network quality of handoff of most of terminals.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of cell switching method flow chart that the embodiment of the present invention 1 provides;
Fig. 2 is a kind of cell switching method flow chart that the embodiment of the present invention 2 provides;
Fig. 3 is a kind of cell switching method flow chart that the embodiment of the present invention 3 provides;
Fig. 4 is a kind of cell switching method flow chart that the embodiment of the present invention 4 provides;
Fig. 5 is a kind of cell switching method flow chart that the embodiment of the present invention 5 provides;
Fig. 6 is a kind of base station that the embodiment of the present invention 6 provides;
Fig. 7 is a kind of terminal that the embodiment of the present invention 7 provides;
Fig. 8 is a kind of community switched system structural representation that the embodiment of the present invention 8 provides.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer; below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is the present invention's part embodiment, instead of whole embodiment, based on the embodiment in the present invention; the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
Embodiment 1:
The embodiment of the present invention provides a kind of cell switching method, and referring to Fig. 1, the method comprises:
S0: in advance the translational speed of terminal is divided into at least two translational speed class, sets in advance the corresponding relation of translational speed class and switching condition;
S1: send and measure control message to terminal, carry the information that requires its translational speed of terminal measure and transmit in this measurement control message;
S2: the reporting message that receiving terminal is periodically sent according to predetermined period, carries the translational speed of terminal in described reporting message;
S3: the translational speed of carrying in the reporting message of sending according to all terminals that receive counts the first translational speed class that counterpart terminal quantity is maximum;
S4: obtain handoff threshold value and the handover trigger time that described the first translational speed class is corresponding according to described corresponding relation;
S5: described handoff threshold value and handover trigger time are sent to terminal, make terminal complete community and switch.
It should be noted that: determining handoff threshold value and after the handover trigger time, this handoff threshold value and this handover trigger time are being sent to all terminals in this community.
It should be noted that: above-mentioned switching condition comprises: handoff threshold value and handoff threshold time.Handoff threshold value in the embodiment of the present invention can be the threshold value of RSRP or the threshold value of RSRQ.When determining handoff threshold value and sending to terminal after the handoff threshold time.
The embodiment of the present invention provides a kind of cell switching method, the translational speed of terminal is divided into several class, count according to the translational speed of terminal to report the translational speed class that counterpart terminal is maximum, determine handoff threshold value and handover trigger time according to this translational speed class, can meet the network quality of handoff of most of terminals.
Embodiment 2:
The embodiment of the present invention provides a kind of cell switching method, and referring to Fig. 2, the method comprises:
Step 200: set in advance the increment of translational speed class and handoff threshold value and the first corresponding relation of handover trigger time;
Step 201: base station sends and measures control message to terminal, carries parameter and initial handoff threshold value that terminal need to report in this measurement control message;
Step 202: the reporting message that base station receiving terminal is periodically sent according to predetermined period, carries the translational speed of terminal in described reporting message;
Step 203: base station counts according to the translational speed of carrying in all reporting messages that receive the first translational speed class that counterpart terminal quantity is maximum;
Step 204: base station obtains increment and the handover trigger time of the handoff threshold value that described the first translational speed class is corresponding according to described the first corresponding relation;
Step 205: base station goes out handoff threshold value according to the incremental computations of described initial handoff threshold value and described handoff threshold value;
Step 206: described handoff threshold value and handover trigger time are sent to terminal by base station;
Step 207: the measurement report that base station receiving terminal is sent, carries in this measurement report and carry out community and switch needed parameter;
Step 208: base station sends community switching command according to described measurement report to terminal, makes terminal complete community according to described community switching command and switches.
In embodiments of the present invention, the translational speed of terminal is divided into several translational speed class, make increment and a handover trigger time of the corresponding handoff threshold value of each translational speed class, quantity by terminal in each translational speed class is determined the translational speed class that terminal quantity is maximum, find increment and the handover trigger time of corresponding handoff threshold value according to this translational speed class, the increment of initial handoff threshold value and handoff threshold value is calculated, draw handoff threshold value.
Embodiment 3:
The embodiment of the present invention provides a kind of cell switching method, and referring to Fig. 3, the method comprises:
Step 300: the second corresponding relation that sets in advance translational speed class and handoff threshold value and handover trigger time;
Step 301: base station sends and measures control message to terminal, carries the information that requires its translational speed of terminal measure and transmit in this measurement control message;
Step 302: the reporting message that base station receiving terminal is periodically sent according to predetermined period, carries the translational speed of terminal in described reporting message;
Step 303: the translational speed of carrying in the reporting message that send according to all terminals that receive base station counts the first translational speed class that counterpart terminal quantity is maximum;
Step 304: base station obtains according to described the second corresponding relation handoff threshold value and the handover trigger time that described the first translational speed class is corresponding;
Step 305: described handoff threshold value and handover trigger time are sent to terminal by base station;
Step 306: the measurement report that base station receiving terminal is sent, carries in this measurement report and carry out community and switch needed parameter;
Particularly, terminal is determined the parameter that need to send to base station according to described measurement control message, carries to carry out community and switch needed parameter in this measurement report.
Step 307: base station sends community switching command according to described measurement report to terminal, makes terminal complete community according to described community switching command and switches.
Embodiment 4:
The embodiment of the present invention provides a kind of cell switching method, and referring to Fig. 4, the method comprises:
D1: terminal receives the measurement control message that send base station, carries the information that requires its translational speed of terminal measure and transmit in this measurement control message;
D2: terminal periodically sends reporting message according to described measurement control message according to predetermined period, carries the translational speed of terminal in described reporting message.
After step D2, can also comprise:
Terminal receives handoff threshold value and the handover trigger time that send base station;
Terminal completes community switching according to described handoff threshold value and handover trigger time.
Embodiment 5:
The embodiment of the present invention provides a kind of cell switching method, and referring to Fig. 5, the method comprises:
Step 501: terminal receives the measurement control message that send base station, carries the information that requires its translational speed of terminal measure and transmit in this measurement control message;
Step 502: terminal periodically sends reporting message according to described measurement control message according to predetermined period, carries the translational speed of terminal in described reporting message;
Step 503: terminal receives handoff threshold value and the handover trigger time that send base station;
Step 504: terminal sends measurement report according to described handoff threshold value and handover trigger time to base station, carries in this measurement report and carries out community and switch needed parameter;
Step 505: terminal receives the community switching command that send base station;
Step 506: terminal completes community according to described community switching command and switches.
It should be noted that: above-mentioned switching condition comprises: handoff threshold value and handoff threshold time.Handoff threshold value in the above embodiments can be the threshold value of RSRP or the threshold value of RSRQ.When base station is determined handoff threshold value and sent to terminal after the handoff threshold time, whether the corresponding parameter that terminal judges records exceedes this handoff threshold value, if exceed handoff threshold value, terminal starts to record the time of the state in exceeding handoff threshold value, if this time exceedes thresholding switching time, terminal sends measurement report to base station.Particularly, whether the corresponding parameter that described terminal judges records exceedes this handoff threshold value, specifically comprises: whether the RSRP that terminal judges records exceedes handoff threshold value, or whether the RSRQ that terminal judges records exceedes handoff threshold value.
It should be noted that: in above-mentioned embodiment of the method, described handoff threshold value and handover trigger time are sent to terminal by base station, can realize in the following manner: base station is by RRC(Radio Resource Control Radio Resource control) described handoff threshold value and handover trigger time send to terminal by reconfiguration message.
In said method embodiment, can in advance the translational speed of terminal be divided into five translational speed class, be respectively: class 1 is 0-15km/h, class 2 is 15-40km/h, and class 3 is 40-70km/h, and class 4 is 70-120km/h., class 5 is to be greater than 120km/h.
In addition, in said method embodiment, the maximum translational speed class of the terminal quantity that counts when base station not only one time, can be chosen at random one and determine handoff threshold value and handover trigger time from these translational speed class.
In addition, in said method embodiment, acknowledge message can be replied after receiving the message of terminal to report in base station, in order to ensure communicating by letter successfully between base station and terminal, terminal sends after reporting message to base station, and opening timing device, if in the timing length of timer, terminal is not received the acknowledge message that send base station, and terminal resends reporting message.
Embodiment 6:
The embodiment of the present invention provides a kind of base station, and referring to Fig. 6, this base station comprises:
Storage unit 601, for preserving the translational speed class that sets in advance and the corresponding relation of switching condition;
Measure control message transmitting element 602, for sending and measure control message to terminal, in this measurement control message, carry the information that requires its translational speed of terminal measure and transmit;
The first receiving element 603, the reporting message of periodically sending according to predetermined period for receiving terminal, carries the translational speed of terminal in described reporting message;
Statistic unit 604, the translational speed of carrying for the reporting message of sending according to all terminals that receive counts the first translational speed class that counterpart terminal quantity is maximum;
Acquiring unit 605, for obtaining out handoff threshold value and the handover trigger time that described the first translational speed class is corresponding according to described corresponding relation;
The first switch unit 606, sends to terminal for handoff threshold value and handover trigger time that described acquiring unit is obtained, makes terminal complete community and switches.
In a kind of execution mode of the embodiment of the present invention, in described measurement control message, can also carry the terminal of carrying out community switching and need to send to the information of the parameter of base station.
In described measurement control message, also comprise initial handoff threshold value;
Described storage unit, for preserving the translational speed class and the increment of handoff threshold value and the first corresponding relation of handover trigger time that set in advance;
Described acquiring unit, for obtaining increment and the handover trigger time of the handoff threshold value that described the first translational speed class is corresponding according to described the first corresponding relation, and go out handoff threshold value according to the incremental computations of described initial handoff threshold value and described handoff threshold value.
In a kind of execution mode of the embodiment of the present invention, described storage unit, for preserving the translational speed class and the second corresponding relation of handoff threshold value and handover trigger time that set in advance;
Described acquiring unit, for obtaining handoff threshold value and the handover trigger time that described the first translational speed class is corresponding according to described the second corresponding relation.
In a kind of execution mode of the embodiment of the present invention, described the first switch unit, comprising:
Measurement report receiving element, the measurement report of sending for receiving terminal, carries in this measurement report and carries out community and switch needed parameter;
Switch subelement, for sending community switching command according to described measurement report to terminal, make terminal complete community according to described community switching command and switch.
In a kind of execution mode of the embodiment of the present invention, described switching condition transmitting element, for sending to terminal by RRC reconfiguration message by described handoff threshold value and handover trigger time.
The content such as information interaction, implementation between each unit, subelement in the said equipment, due to the inventive method embodiment based on same design, particular content can, referring to the narration in the inventive method embodiment, repeat no more herein.
Embodiment 7:
The embodiment of the present invention provides a kind of terminal, and referring to Fig. 7, this terminal comprises:
Measure control message receiving element 701, for receiving measurement control message, in this measurement control message, carry the information that requires its translational speed of terminal measure and transmit;
Reporting message transmitting element 702, for periodically sending reporting message according to described measurement control message according to predetermined period, carries the translational speed of terminal in described reporting message.
Described terminal also comprises:
The second receiving element, for receiving handoff threshold value and handover trigger time;
The second switch unit, for completing community switching according to described handoff threshold value and handover trigger time.
In a kind of execution mode of the embodiment of the present invention, described the second switch unit comprises:
Measurement report transmitting element, for sending measurement report according to described handoff threshold value and handover trigger time to base station, carries in this measurement report and carries out community and switch needed parameter.
In a kind of execution mode of the embodiment of the present invention, described the second switch unit comprises:
The 3rd receiving element, for receiving community switching command;
Second switches subelement, completes community switch for the community switching command receiving according to described reception subelement.
The content such as information interaction, implementation between each unit, subelement in the said equipment, due to the inventive method embodiment based on same design, particular content can, referring to the narration in the inventive method embodiment, repeat no more herein.
Embodiment 8:
The embodiment of the present invention provides a kind of community switched system, and referring to Fig. 8, this system comprises:
Arbitrary terminal 802 in arbitrary base station 801, at least one embodiment 7 in embodiment 6.
The content such as information interaction, implementation between each unit, subelement in the said equipment, due to the inventive method embodiment based on same design, particular content can, referring to the narration in the inventive method embodiment, repeat no more herein.
Visible by foregoing description, the embodiment of the present invention has following beneficial effect:
The embodiment of the present invention provides cell switching method and system, base station, terminal, the translational speed of terminal is divided into several class, count according to the translational speed of terminal to report the translational speed class that counterpart terminal is maximum, determine handoff threshold value and handover trigger time according to this translational speed class, can meet the network quality of handoff of most of terminals.
It should be noted that, in this article, relational terms such as first and second is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element that " comprises " and limit by statement, and be not precluded within process, method, article or the equipment that comprises described key element and also have other same factor.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in the storage medium of embodied on computer readable, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: in the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Finally it should be noted that: the foregoing is only preferred embodiment of the present invention, only, for technical scheme of the present invention is described, be not intended to limit protection scope of the present invention.All any amendments of making within the spirit and principles in the present invention, be equal to replacement, improvement etc., be all included in protection scope of the present invention.
Claims (17)
1. a cell switching method, is characterized in that, in advance the translational speed of terminal is divided into at least two translational speed class, sets in advance the corresponding relation of translational speed class and switching condition, and the method comprises:
S1: send and measure control message to terminal, carry the information that requires its translational speed of terminal measure and transmit in this measurement control message;
S2: the reporting message that receiving terminal is periodically sent according to predetermined period, carries the translational speed of terminal in described reporting message;
S3: the translational speed of carrying in the reporting message of sending according to all terminals that receive counts the first translational speed class that counterpart terminal quantity is maximum;
S4: obtain handoff threshold value and the handover trigger time that described the first translational speed class is corresponding according to described corresponding relation;
S5: described handoff threshold value and handover trigger time are sent to terminal, make terminal complete community and switch.
2. method according to claim 1, is characterized in that, carries the terminal of carrying out community switching and need to send to the information of the parameter of base station in described measurement control message.
3. method according to claim 2, is characterized in that,
In described measurement control message, also comprise initial handoff threshold value;
The described corresponding relation that sets in advance translational speed class and switching condition, specifically comprises: set in advance the increment of translational speed class and handoff threshold value and the first corresponding relation of handover trigger time;
Described S4 specifically comprises:
Obtain increment and the handover trigger time of the handoff threshold value that described the first translational speed class is corresponding according to described the first corresponding relation;
Go out handoff threshold value according to the incremental computations of described initial handoff threshold value and described handoff threshold value.
4. method according to claim 1 and 2, is characterized in that,
The described corresponding relation that sets in advance translational speed class and switching condition, specifically comprises: the second corresponding relation that sets in advance translational speed class and handoff threshold value and handover trigger time;
Described S4 specifically comprises:
Obtain according to described the second corresponding relation handoff threshold value and the handover trigger time that described the first translational speed class is corresponding.
5. method according to claim 1 and 2, is characterized in that, described S5 specifically comprises:
By radio resource control RRC reconfiguration message, described handoff threshold value and handover trigger time are sent to terminal.
6. method according to claim 1, is characterized in that, described step S5 comprises:
The measurement report that receiving terminal is sent, carries in this measurement report and carries out community and switch needed parameter;
Send community switching command according to described measurement report to terminal, make terminal complete community according to described community switching command and switch.
7. a cell switching method, is characterized in that, the method comprises:
D1: receive and measure control message, carry the information that requires its translational speed of terminal measure and transmit in this measurement control message;
D2: periodically send reporting message according to described measurement control message according to predetermined period, carry the translational speed of terminal in described reporting message.
8. method according to claim 7, is characterized in that, after step D2, also comprises:
Receive handoff threshold value and handover trigger time;
Complete community switching according to described handoff threshold value and handover trigger time.
9. a base station, is characterized in that, this base station comprises:
Storage unit, for preserving the translational speed class that sets in advance and the corresponding relation of switching condition;
Measure control message transmitting element, for sending and measure control message to terminal, in this measurement control message, carry the information that requires its translational speed of terminal measure and transmit;
The first receiving element, the reporting message of periodically sending according to predetermined period for receiving terminal, carries the translational speed of terminal in described reporting message;
Statistic unit, the translational speed of carrying for the reporting message of sending according to all terminals that receive counts the first translational speed class that counterpart terminal quantity is maximum;
Acquiring unit, for obtaining handoff threshold value and the handover trigger time that described the first translational speed class is corresponding according to described corresponding relation;
The first switch unit, sends to terminal for handoff threshold value and handover trigger time that described acquiring unit is obtained, makes terminal complete community and switches.
10. base station according to claim 9, is characterized in that, carries the terminal of carrying out community switching and need to send to the information of the parameter of base station in described measurement control message.
11. base stations according to claim 10, is characterized in that,
In described measurement control message, also comprise initial handoff threshold value;
Described storage unit, for preserving the translational speed class and the increment of handoff threshold value and the first corresponding relation of handover trigger time that set in advance;
Described acquiring unit, for obtaining increment and the handover trigger time of the handoff threshold value that described the first translational speed class is corresponding according to described the first corresponding relation, and go out handoff threshold value according to the incremental computations of described initial handoff threshold value and described handoff threshold value.
12. according to the base station described in claim 9 or 10, it is characterized in that,
Described storage unit, for preserving the translational speed class and the second corresponding relation of handoff threshold value and handover trigger time that set in advance;
Described acquiring unit, for obtaining handoff threshold value and the handover trigger time that described the first translational speed class is corresponding according to described the second corresponding relation.
13. according to the base station described in claim 9 or 10, it is characterized in that, described the first switch unit, for sending to terminal by radio resource control RRC reconfiguration message by described handoff threshold value and handover trigger time.
14. base stations according to claim 9, is characterized in that, described the first switch unit, comprising:
Measurement report receiving element, the measurement report of sending for receiving terminal, carries in this measurement report and carries out community and switch needed parameter;
Switch subelement, for sending community switching command according to described measurement report to terminal, make terminal complete community according to described community switching command and switch.
15. 1 kinds of terminals, is characterized in that, described terminal comprises:
Measure control message receiving element, for receiving measurement control message, in this measurement control message, carry the information that requires its translational speed of terminal measure and transmit;
Reporting message transmitting element, for periodically sending reporting message according to described measurement control message according to predetermined period, carries the translational speed of terminal in described reporting message.
16. terminals according to claim 15, is characterized in that, described terminal also comprises:
The second receiving element, for receiving handoff threshold value and handover trigger time;
The second switch unit, for completing community switching according to described handoff threshold value and handover trigger time.
17.Yi Zhong community switched system, is characterized in that, described system comprises:
As the arbitrary base station in claim 9-14, at least one is as the arbitrary terminal in claim 15-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160744.XA CN103945467B (en) | 2014-04-21 | 2014-04-21 | Cell switching method and system, base station, terminal |
Applications Claiming Priority (1)
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