CN115378994A - Method and system for controlling a radio communications network and radio controller - Google Patents
Method and system for controlling a radio communications network and radio controller Download PDFInfo
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- CN115378994A CN115378994A CN202210938253.8A CN202210938253A CN115378994A CN 115378994 A CN115378994 A CN 115378994A CN 202210938253 A CN202210938253 A CN 202210938253A CN 115378994 A CN115378994 A CN 115378994A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention discloses a method and a system for controlling a radio communication network and a radio controller, and relates to the technical field of radio. The present invention provides a method for controlling a radio communication network, a system, and a radio controller, which can change a control point located in a network without causing data loss when a radio communication terminal performs a soft handover in uplink or downlink radio data communication, in a radio communication system in which a radio controller of a soft handover process of the radio communication terminal is changed so that data transmission and reception paths can be optimized and network resources can be efficiently used, and in addition, in a radio communication system in which a control point is changed without impairing continuity of a serial number provided to the radio communication terminal to be transmitted in downlink radio data communication.
Description
Technical Field
The present invention relates to the field of radio communications technologies, and in particular, to a method and system for controlling a radio communications network and a radio controller.
Background
In the field of radio communication, a communication system using a new communication format is being constructed along with the development of technology, and radio services are being provided. At that time, a plurality of radio services are implemented simultaneously, because typically many users do not switch to a new radio service immediately but gradually. In addition, when constructing new communication formats, although this involves introducing new specialized equipment to accommodate those formats, since existing services are still being implemented, a location for installing specialized equipment compatible with the new communication format must be ensured.
The Universal Mobile Telecommunications System (UMTS) is known as a wireless communication system standardized by the third generation partnership project (3 GPP). UMTS employs W-CDMA as a radio communication technology and provides soft handover as a handover method for radio communication terminals. A radio communication terminal soft handover is connected to a plurality of base stations at the same time to perform communication, and the execution of the handover causes data loss.
A prior published patent cn200780053116.X discloses a radio communication apparatus, a radio communication system, and a radio communication method. A radio communication apparatus for performing radio communication includes: a first interface conversion unit extracting first and second signals which are multiplexed and input and correspond to two different formats, and combining the extracted first and second signals; and a common amplifier shared by the first signal and the second signal by amplifying the combined first signal and second signal, wherein a signal output from the common amplifier is transmitted.
However, the above-disclosed technique has a problem that data loss is liable to occur during radio communication.
Disclosure of Invention
An object of the present invention is to provide a method and system for controlling a radio communication network and a radio controller, which can change a control point located in the network when a radio communication terminal performs a soft handover, to solve the above-mentioned problems.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the present invention is a method for controlling a radio communication network, which is applied to a radio communication system in which soft handover of a radio communication terminal is performed in at least two control points including a radio communication controller # one, a radio communication controller # two, and a radio communication controller # three when the radio communication terminal performs soft handover, characterized by comprising the steps of:
the method comprises the following steps: adding a new control point above the uppermost control point or changing a control point located at a lower control point to the uppermost control point in the radio communication system according to a radio communication environment between the radio communication terminal and the access point;
step two: in a downlink radio communication system in which a radio communication controller A transmits data to a radio communication terminal through a radio communication controller B and a base station.
As a preferred embodiment of the present invention, a soft handover process of a radio communication terminal includes the steps of:
the method comprises the following steps: at least one of the radio communication controller number one and the radio communication controller number two determines a first transmission time for transmitting data to all base stations connected when the radio communication performs a soft handover;
step two: at least one of the radio communication controller No. one and the radio communication controller No. two divides data and provides a sequence number for each data segment;
step three: at least one of the radio communication controller number one and the radio communication controller number two transmits each data segment to all base stations at a first transmission time;
step four: in the radio communication controller No. one and the radio communication controller No. two, the supply of the serial numbers of the divided data by the radio communication controller No. one and the radio communication controller No. two and the timing transmission of the divided data are accepted by the radio communication controller No. three.
A system applied to a radio communication system in which, when a radio communication terminal performs a soft handover, the soft handover of the radio communication terminal is performed in at least two control points including a radio communication controller No. one, a radio communication controller No. two, and a radio communication controller No. three, the system being characterized in that: comprises that
And a determiner that determines to add a new control point above an uppermost control point that is an uppermost portion in the radio communication system or to change a control point located at a lower control point to the uppermost control point, according to a radio communication environment between the radio communication terminal access points.
As a preferred aspect of the present invention, the radio network controller further includes a notification provider that notifies the radio controller related to the change of the determination result.
A radio controller applied to a radio communication system, the radio controller being characterized in that, in downlink radio data communication in which a radio communication controller one transmits data to a radio communication terminal through a radio communication controller two and a base station, when the radio communication terminal performs soft handover, as a control point for performing soft handover processing of the radio communication terminal: comprises that
A notification receiver that receives a notification instructing the radio controller No. two to perform a soft handover process, wherein the notification includes a determination result of determining to add a new control point again above an uppermost control point that is an uppermost portion in the radio data communication system or to change a control point located at a lower control point to the uppermost control point, according to a radio communication environment between the radio communication terminal and the access point;
a data divider that divides the data according to the notification;
a sequence number provider that provides a sequence number for each data segment based on a sequence number providing status according to the notification;
a transmission time determiner which determines, based on the notification, a first transmission time at which data is transmitted to a base station managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, and a second transmission time at which the data is transmitted to the radio controller number two;
a data transmitter that transmits each of the data pieces to which the information for requesting the status of serial number provision is added to the radio controller number two at the second transmission time according to the notification, and transmits each of the data pieces to the base station managed by the radio controller number two among the base stations connected when the radio communication terminal performs soft handover at the first transmission time according to the notification.
As a preferred embodiment of the present invention, the data transmitter adds information requesting the provision status of the sequence number to the data segment and transmits the information to the radio controller No. two.
As a preferred embodiment of the present invention, the sequence number provider manages the provision state of the sequence number based on the sequence number provided to the data segment to which the information requesting the provision state of the sequence number notified by the radio controller number two is added and the number of data segments transmitted from the transmission of the data segment to which the information requesting the provision state of the sequence number is added to the reception of the sequence number.
As a preferable aspect of the present invention, the radio controller number two performs selective combination of data segments of base stations managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, according to a notification from the server.
As a preferable aspect of the present invention, the radio controller number two performs selective combination of data segments of base stations managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, according to a notification from the server.
As a preferable aspect of the present invention, the radio controller number two performs selective combination of data segments of base stations managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, according to a notification from the server.
The invention has the following beneficial effects:
1. the present invention is to provide a radio communication system in which a radio controller for a soft handover process of a radio communication terminal is changed when the radio communication terminal performs a soft handover in an uplink or downlink radio data communication, so that data transmission and reception paths can be optimized and network resources can be efficiently used, and further, in which the radio controller number two can be located upstream of the radio controller number two thereafter, or processing can be performed on the radio controller number two located uppermost until time has stopped, or processing can be performed on the radio controller number two located downstream of the radio controller number two until time has stopped, or the radio controller number two can be located downstream of the radio controller number two before time, which makes it possible to more flexibly optimize data transmission and reception paths, and in which a control point is changed without impairing continuity of a serial number provided to the radio communication terminal to be transmitted in a downlink radio data communication.
2. The present invention provides a method for controlling a radio communication network, a system, and a radio controller, which can change a control point located in a network without causing data loss when a radio communication terminal performs soft handover.
Of course, it is not necessary for any product to achieve all of the above advantages at the same time in the practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flow chart of a radio data communication method of the present invention;
fig. 2 is a flow chart of a soft handover process of the radio communication terminal of the present invention;
fig. 3 is a schematic diagram of a wireless data transmission structure of the server and the radio controller of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the present invention is a method for controlling a radio communication network, the method being applied to a radio communication system in which a soft handover of a radio communication terminal is performed in at least two control points when the radio communication terminal performs the soft handover, the control points including a radio communication controller No. one, a radio communication controller No. two, and a radio communication controller No. three, the method comprising the steps of:
the method comprises the following steps: adding a new control point above the uppermost control point or changing a control point located at a lower control point to the uppermost control point in the radio communication system according to a radio communication environment between the radio communication terminal and the access point;
step two: in a downlink radio communication system in which a radio communication controller A transmits data to a radio communication terminal through a radio communication controller B and a base station.
Example two
The technical scheme is based on the first embodiment. Referring to fig. 2, the soft handover process of the radio communication terminal includes the steps of:
the method comprises the following steps: at least one of the radio communication controller number one and the radio communication controller number two determines a first transmission time for transmitting data to all base stations connected when the radio communication terminal performs soft handover;
step two: at least one of the radio communication controller No. one and the radio communication controller No. two divides data and provides a sequence number for each data segment;
step three: at least one of the radio communication controller number one and the radio communication controller number two transmits each data segment to all base stations at a first transmission time;
step four: in the radio communication controller No. one and the radio communication controller No. two, the supply of the serial numbers of the divided data by the radio communication controller No. one and the radio communication controller No. two and the timing transmission of the divided data are accepted by the radio communication controller No. three.
The present invention is to provide a radio communication system in which a radio controller for a soft handover process of a radio communication terminal is changed when the radio communication terminal performs a soft handover in an uplink or downlink radio data communication, so that data transmission and reception paths can be optimized and network resources can be efficiently used, and further, in which the radio controller number two can be located upstream of the radio controller number two thereafter, or processing can be performed on the radio controller number two located uppermost until time has stopped, or processing can be performed on the radio controller number two located downstream of the radio controller number two until time has stopped, or the radio controller number two can be located downstream of the radio controller number two before time, which makes it possible to more flexibly optimize data transmission and reception paths, and in which a control point is changed without impairing continuity of a serial number provided to the radio communication terminal to be transmitted in a downlink radio data communication.
EXAMPLE III
Based on the technical scheme of the second embodiment. Referring to fig. 3, a system for a radio communication system in which a radio communication terminal performs a soft handover among at least two control points including a radio communication controller No. one, a radio communication controller No. two, and a radio communication controller No. three, when the radio communication terminal performs the soft handover, the system is characterized in that: comprises that
And a determiner which determines to add a new control point above an uppermost control point which is an uppermost portion in the radio communication system or to change a control point located at a lower control point to the uppermost control point, according to a radio communication environment between the radio communication terminal access points.
As a preferred aspect of the present invention, the radio network controller further includes a notification provider that notifies the radio controller related to the change of the determination result.
Example four
Based on the technical scheme of the third embodiment. Referring to fig. 3, a radio controller, which is applied to a radio communication system, in downlink radio data communication in which a radio communication controller one transmits data to a radio communication terminal through a radio communication controller two and a base station, as a control point for performing a soft handover process of the radio communication terminal when the radio communication terminal performs the soft handover, is characterized in that: comprises that
A notification receiver that receives a notification instructing the radio controller # II to perform a soft handover process, wherein the notification includes a determination result of determining to add a new control point above an uppermost control point that is an uppermost portion in the radio data communication system or to change a control point located at a lower control point to the uppermost control point, according to a radio communication environment between the radio communication terminal and the access point;
a data divider that divides the data according to the notification;
a sequence number provider that provides a sequence number for each data segment based on a sequence number providing status according to the notification;
a transmission time determiner which determines, based on the notification, a first transmission time at which data is transmitted to a base station managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover and a second transmission time at which the data is transmitted to the radio controller number two;
a data transmitter that transmits each of the data pieces to which the information for requesting the status of serial number provision is added to the radio controller number two at the second transmission time according to the notification, and transmits each of the data pieces to the base station managed by the radio controller number two among the base stations connected when the radio communication terminal performs soft handover at the first transmission time according to the notification.
As a preferred embodiment of the present invention, the data transmitter adds information requesting the provision status of the sequence number to the data segment and transmits the information to the radio controller No. two.
As a preferred embodiment of the present invention, the sequence number provider manages the provision state of the sequence number based on the sequence number provided to the data segment to which the information requesting the provision state of the sequence number notified by the radio controller number two is added and the number of data segments transmitted from the transmission of the data segment to which the information requesting the provision state of the sequence number is added to the reception of the sequence number.
As a preferable aspect of the present invention, the radio controller number two performs selective combination of data segments of base stations managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, according to a notification from the server.
As a preferable aspect of the present invention, the radio controller number two performs selective combination of data segments of base stations managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, according to a notification from the server.
As a preferable aspect of the present invention, the radio controller number two performs selective combination of data segments of base stations managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, according to a notification from the server.
The present invention provides a method for controlling a radio communication network, a system, and a radio controller, which can change a control point located in a network without causing data loss when a radio communication terminal performs soft handover.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A method for controlling a radio communication network, the method being applied to a radio communication system in which soft handover of a radio communication terminal is performed in at least two control points when the radio communication terminal performs soft handover, the control points including a radio communication controller No. one, a radio communication controller No. two, and a radio communication controller No. three, characterized by comprising the steps of:
the method comprises the following steps: adding a new control point above the uppermost control point or changing a control point located at a lower control point to the uppermost control point in the radio communication system according to a radio communication environment between the radio communication terminal and the access point;
step two: in a downlink radio communication system in which a radio communication controller A transmits data to a radio communication terminal through a radio communication controller B and a base station.
2. A method for controlling a radio communication network according to claim 1, characterized in that: the soft handover process of a radio communication terminal comprises the steps of:
the method comprises the following steps: at least one of the radio communication controller number one and the radio communication controller number two determines a first transmission time for transmitting data to all base stations connected when the radio communication performs a soft handover;
step two: at least one of the radio communication controller No. one and the radio communication controller No. two divides data and provides a sequence number for each data segment;
step three: at least one of the radio communication controller number one and the radio communication controller number two transmits each data segment to all base stations at a first transmission time;
step four: in the radio communication controller No. one and the radio communication controller No. two, the supply of the serial numbers of the divided data by the radio communication controller No. one and the radio communication controller No. two and the timing transmission of the divided data are accepted by the radio communication controller No. three.
3. A system applied to a radio communication system in which, when a radio communication terminal performs a soft handover, the soft handover of the radio communication terminal is performed in at least two control points including a radio communication controller No. one, a radio communication controller No. two, and a radio communication controller No. three, the system being characterized in that: comprises that
And a determiner which determines to add a new control point above an uppermost control point which is an uppermost portion in the radio communication system or to change a control point located at a lower control point to the uppermost control point, according to a radio communication environment between the radio communication terminal access points.
4. A system according to claim 1, characterized in that: and also comprises
A notification provider that notifies the radio controller related to the change of the determination result.
5. A radio controller applied to a radio communication system, the radio controller being characterized in that, in downlink radio data communication in which a radio communication controller one transmits data to a radio communication terminal through a radio communication controller two and a base station, when the radio communication terminal performs soft handover, as a control point for performing soft handover processing of the radio communication terminal: comprises that
A notification receiver that receives a notification instructing the radio controller # II to perform a soft handover process, wherein the notification includes a determination result of determining to add a new control point above an uppermost control point that is an uppermost portion in the radio data communication system or to change a control point located at a lower control point to the uppermost control point, according to a radio communication environment between the radio communication terminal and the access point;
a data divider that divides the data according to the notification;
a sequence number provider that provides a sequence number for each data segment based on a sequence number providing status according to the notification;
a transmission time determiner which determines, based on the notification, a first transmission time at which data is transmitted to a base station managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, and a second transmission time at which the data is transmitted to the radio controller number two;
a data transmitter that transmits each of the data pieces to which the information for requesting the status of serial number provision is added to the radio controller number two at the second transmission time according to the notification, and transmits each of the data pieces to the base station managed by the radio controller number two among the base stations connected when the radio communication terminal performs soft handover at the first transmission time according to the notification.
6. A radio controller according to claim 5, characterized by: the data transmitter adds information for requesting the supply status of the sequence number to the data segment and transmits to the radio controller No. two.
7. A radio controller according to claim 6, characterized in that: and a sequence number provider for managing the provision state of the sequence number based on the sequence number provided to the data segment to which the information for requesting the provision state of the sequence number notified by the radio controller number two is added and the number of data segments transmitted from the transmission of the data segment to which the information for requesting the provision state of the sequence number is added until the sequence number is received.
8. A radio controller according to claim 7, wherein: the radio controller number two performs selective combination of data segments of base stations managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, according to the notification from the server.
9. A radio controller according to claim 8, wherein: the radio controller number two performs selective combination of data segments of base stations managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, according to the notification from the server.
10. A radio controller according to claim 9, characterized by: the radio controller number two performs selective combination of data pieces from base stations managed by the radio controller number two among base stations connected when the radio communication terminal performs soft handover, according to the notification from the server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210938253.8A CN115378994A (en) | 2022-08-05 | 2022-08-05 | Method and system for controlling a radio communications network and radio controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210938253.8A CN115378994A (en) | 2022-08-05 | 2022-08-05 | Method and system for controlling a radio communications network and radio controller |
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| CN115378994A true CN115378994A (en) | 2022-11-22 |
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| CN202210938253.8A Pending CN115378994A (en) | 2022-08-05 | 2022-08-05 | Method and system for controlling a radio communications network and radio controller |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060125566A (en) * | 2005-05-31 | 2006-12-06 | 교세라 가부시키가이샤 | Radio communication terminal, base station, handoff control method, and base station control method |
| CN101098562A (en) * | 2003-02-26 | 2008-01-02 | 株式会社Ntt都科摩 | Radio data communication method, server and radio network controller |
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- 2022-08-05 CN CN202210938253.8A patent/CN115378994A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098562A (en) * | 2003-02-26 | 2008-01-02 | 株式会社Ntt都科摩 | Radio data communication method, server and radio network controller |
| KR20060125566A (en) * | 2005-05-31 | 2006-12-06 | 교세라 가부시키가이샤 | Radio communication terminal, base station, handoff control method, and base station control method |
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