CN102202352A - Data transmission method and equipment - Google Patents
Data transmission method and equipment Download PDFInfo
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- CN102202352A CN102202352A CN2011100809934A CN201110080993A CN102202352A CN 102202352 A CN102202352 A CN 102202352A CN 2011100809934 A CN2011100809934 A CN 2011100809934A CN 201110080993 A CN201110080993 A CN 201110080993A CN 102202352 A CN102202352 A CN 102202352A
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Abstract
The invention discloses a data transmission method and equipment based on a double time slot expansion cell. The method comprises the following steps: synchronizing packet data traffic channels corresponding with odd time slot and even time slot which are distributed by a terminal with a base station controller; acquiring downlink data which is needed to sent to the terminal; and sending the downlink data to the terminal through at least two packet data traffic channels which are synchronized with the base station controller, wherein at least two packet data traffic channels is corresponded with continuous time slots.
Description
Technical field
The present invention relates to the mobile communication technology field, be specifically related to a kind of data transmission method and equipment based on two time slot expanded cells.
Background technology
Based on time division multiple access (Time Division Multiple Address, TDMA) in the system, for example global system for mobile communications (Global System For Mobile Communications, GSM), the coverage of usually using two time slot expanded cells to come extended base station.
In two time slot expanded cells of GSM, two time slots are merged into a time slot and come usefulness, and the base station only sends downlink data to terminal on the Packet Data Channel of even time slot correspondence when carrying out transfer of data.
Can distribute four continuous time slots to give terminal in the prior art, the base station is under the situation of two time slot expanded cells, Packet Data Channel (the Packet DataTraffic Channel of an even time slot correspondence that can only be in four time slots, PDTCH) send data to terminal on, make that the data speed of download of terminal is lower.
Summary of the invention
The invention provides a kind of data transmission method and equipment, can improve the data speed of download of the terminal that is arranged in two time slot expanded cells based on two time slot expanded cells.
On the one hand, the embodiment of the invention provides a kind of data transmission method based on two time slot expanded cells, comprising:
To carry out synchronously the strange time slot of terminal distribution and the Packet Data Channel and the base station controller of even time slot correspondence;
Obtaining need be to the downlink data of described terminal transmission;
Send described downlink data by described and at least two synchronous Packet Data Channels of base station controller to described terminal, the corresponding continuous time slot of described at least two Packet Data Channels.
On the other hand, the embodiment of the invention also provides a kind of data transmission method based on two time slot expanded cells, comprising:
Generate channel configuration message, carry the indication information of opening strange time slot and even slot synchronization in the described channel configuration message;
Send described channel configuration message to the base station of adopting two time slot expanded cell configurations.
On the other hand, the embodiment of the invention also provides a kind of base station, and two time slot expanded cell configurations are adopted in this base station, and this base station comprises:
The channel synchronization unit is used for and will the strange time slot of terminal distribution and the Packet Data Channel and the base station controller of even time slot correspondence be carried out synchronously;
Data capture unit, being used to obtain need be to the downlink data of terminal transmission;
Data transmission unit is used for sending the downlink data that described data capture unit obtains by at least two Packet Data Channels of described channel synchronization units synchronization to described terminal, the corresponding continuous time slot of described at least two Packet Data Channels.
On the one hand, the embodiment of the invention also provides a kind of base station controller, comprising again:
Message generation unit is used to generate channel configuration message, carries the indication information of opening strange time slot and even slot synchronization in the described channel configuration message;
Message sending unit is used for sending the channel configuration message that described message generation unit generates to the base station of adopting two time slot expanded cell configurations.
In the data transmission method and device that the embodiment of the invention provides, the base station is in that obtain need be behind the downlink data that terminal sends, at least two Packet Data Channels by the continuous time slot correspondence send downlink data to terminal, promptly can send downlink data to terminal respectively by the Packet Data Channel of strange time slot and even time slot correspondence.Only can be for sending data on the Packet Data Channel of an even time slot correspondence in four time slots with respect in the prior art, the embodiment of the invention can send data to terminal by the Packet Data Channel of at least two continuous time slot correspondences, thereby can improve the data speed of download of terminal.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use among prior art and the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the data transmission method that provides of the embodiment of the invention one;
Fig. 2 is the schematic diagram of the logic channel of the base station that provides of the embodiment of the invention;
Fig. 3 is the flow chart of the data transmission method that provides of the embodiment of the invention two;
Fig. 4 is the flow chart of the data transmission method that provides of the embodiment of the invention three;
Fig. 5 is the flow chart of the data transmission method that provides of the embodiment of the invention four;
Fig. 6 is the schematic diagram of the logic channel of the base station that provides of the embodiment of the invention;
Fig. 7 is the structural representation of the base station that provides of the invention process five examples;
Fig. 8 is the structural representation of the base station that provides of the invention process six examples;
Fig. 9 is the structural representation of the base station controller that provides of the invention process seven examples.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The invention provides a kind of data transmission method, base station and base station controller based on two time slot expanded cells.Technical scheme for a better understanding of the present invention describes in detail embodiment provided by the invention below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 1 is the flow chart based on the data transmission method of two time slot expanded cells that the embodiment of the invention one provides.
In embodiments of the present invention, two time slot expanded cell configurations are adopted in the base station, and two continuous time slot can be merged into a time slot and use, and comprise an even time slot and this idol time slot strange time slot subsequently in the time slot after the merging.The data transmission method that the embodiment of the invention one provides can comprise:
A1, will carry out synchronously the strange time slot of terminal distribution and the Packet Data Channel and the base station controller of even time slot correspondence.
A2, obtain the downlink data that need send to terminal.
Concrete, the base station can obtain need be to the downlink data of the terminal transmission that is arranged in two time slot expanded cells.
For example, this downlink data that need send can be Temporary Block Flow.
A3, send downlink data to terminal, the corresponding continuous time slot of described at least two Packet Data Channels by at least two Packet Data Channels described and that base station controller is synchronous.
Concrete, continuous time slot comprises at least one strange time slot and at least one even time slot.
In embodiments of the present invention, the corresponding time slot of each bar Packet Data Channel of described transmission downlink data.For example, the Packet Data Channel of described transmission downlink data can be two, corresponding to two continuous in 4 time slots time slots.Again for example, the Packet Data Channel of described transmission downlink data also can be three, and corresponding to three continuous in 4 time slots time slots, or the Packet Data Channel of described transmission downlink data also can be four, corresponding to four continuous time slots.
In the data transmission method that the embodiment of the invention provides, the base station is in that obtain need be behind the downlink data that terminal sends, at least two Packet Data Channels by the continuous time slot correspondence send downlink data to terminal, promptly can send downlink data to terminal respectively by the Packet Data Channel of strange time slot and even time slot correspondence.Only can be for sending data on the Packet Data Channel of an even time slot correspondence in four time slots with respect in the prior art, the embodiment of the invention can send data to terminal by the Packet Data Channel of at least two continuous time slot correspondences, thereby can improve the data speed of download of terminal.
Referring to Fig. 2, Fig. 2 is the schematic diagram of the logic channel of the base station that provides of the embodiment of the invention.
As shown in the figure, the numbering of time slot is respectively 0-7.First row's time slot is used for downlink transfer among the figure, and second row's time slot is used for uplink.Prior art pair and the base station of adopting two time slot expanded cells configurations can send downlink data by the time slot 0 or 2 that is used for downlink transfer, and terminal sends upstream data by the time slot 2 that is used for uplink.And in embodiments of the present invention, (0,1) or (1,2) or (2,3) or (0,1,2) that can be by being used for downlink transfer or the Packet Data Channel of (1,2,3) or (1,2,3,4) these continuous time slot correspondences send downlink data.
Referring to Fig. 3, Fig. 3 is the flow chart based on the data transmission method of two time slot expanded cells that the embodiment of the invention two provides.
In embodiments of the present invention, base station configuration becomes two time slot expanded cell patterns, and two time slots are merged into a time slot and come usefulness, and the data transmission method that the embodiment of the invention two provides can comprise:
The channel configuration message that B1, reception base station controller send is carried the indication base station and is opened the indication information of strange time slot and even slot synchronization in this channel configuration message.
Concrete, can carry the indication base station in this channel configuration message and open the indication information of strange time slot and even slot synchronization.Optionally, can also carry frequency hop sequences, power grade etc. in this channel configuration message.
B2, will be synchronous according to indication information to the Packet Data Channel and the base station controller of the strange time slot of terminal distribution and even time slot correspondence.
Concrete, the base station can be according to channel configuration message arrangement logic channel, and for example, it is synchronous will to distribute to the Packet Data Channel and the base station controller of strange time slot in the time slot of terminal and even time slot correspondence according to the indication information in the channel configuration message.
B3, obtain the downlink data that need send to terminal.
B4, by and at least two synchronous Packet Data Channels of base station controller send downlink data to terminal, the corresponding continuous time slot of these at least two Packet Data Channels.
Wherein, the implementation of the steps A 1-A2 in the implementation of step B3-B4 and the foregoing description one is similar, and details no longer are repeated in this description at this referring to the foregoing description one.
In the data transmission method that the embodiment of the invention provides, the base station will be synchronous to the Packet Data Channel and the base station controller of the strange time slot of terminal distribution and even time slot correspondence according to the indication information of base station controller, and at least two Packet Data Channels by the continuous time slot correspondence send data to terminal then.With respect to only sending data on the Packet Data Channel of an even time slot correspondence in four time slots in the prior art, the embodiment of the invention can send data to terminal at the Packet Data Channel of at least two continuous time slot correspondences, thereby can accelerate downstream rate, improve the data speed of download of terminal.
Further, in the data transmission method that the embodiment of the invention one and two provides, the base station can be to strange time slot in the four continuous time slots of terminal distribution and the arrival of even time slot the time, send handshake frames to base station controller respectively, will be thereby can initiate to the strange time slot of terminal distribution and the Packet Data Channel and the synchronous process of base station controller of even time slot correspondence.
More than from the base station one side the data transmission method of two time slot expanded cells that the embodiment of the invention provides has been described, from base station controller one side the data transmission method that the embodiment of the invention provides is described again below.
Referring to Fig. 4, Fig. 4 is the flow chart based on the data transmission method of two time slot expanded cells that the embodiment of the invention three provides.
In embodiments of the present invention, the two time slot expanded cell configurations of the current employing in the base station of base stations control management, the data transmission method based on two time slot expanded cells that the embodiment of the invention three provides can comprise:
C1, generation channel configuration message are carried the indication information of opening strange time slot and even slot synchronization in this channel configuration message.
Concrete, base station controller can generate channel configuration message, carries the indication information of opening strange time slot and even slot synchronization in this channel configuration message.Further alternative, can also carry frequency hop sequences, power grade etc. in this channel configuration message.
C2, send this channel configuration message to the base station of adopting two time slot expanded cells configurations.
In embodiments of the present invention, base station controller passes through to base station transmitting channel configuration messages, can be so that the base station that receives this message will be synchronous to the Packet Data Channel and the base station controller of the strange time slot of terminal distribution and even time slot correspondence according to the indication information that wherein carries, at least two Packet Data Channels by the continuous time slot correspondence send data to terminal then.With respect to only sending data on the Packet Data Channel of an even time slot correspondence in four time slots in the prior art, the embodiment of the invention can make the base station of opening two time slot expanded cells send data at the Packet Data Channel of at least two continuous time slot correspondences to terminal, thereby can accelerate downstream rate, improve the data speed of download of terminal.
Further, base station controller can be arranged at above-mentioned indication information in two time slot functional switch fields of channel configuration message.
Referring to Fig. 5, Fig. 5 is the flow chart based on the data transmission method of two time slot expanded cells that the embodiment of the invention four provides.
Present embodiment is that example illustrates with the gsm system, and in gsm system, base station configuration is two time slot expanded cell patterns.
The data transmission method based on two time slot expanded cells that the embodiment of the invention four provides comprises:
S1, base station controller generate channel configuration message, carry the indication information of opening strange time slot and even slot synchronization in the channel configuration message.
Wherein, base station controller can generate channel configuration message when the terminal initiation packet is professional, carry the indication information of opening strange time slot and even slot synchronization in the channel configuration message of generation.Optionally, base station controller can be arranged at above-mentioned indication information in two time slot functional switch fields of channel configuration message.
S2, base station controller send this channel configuration message to the base station of the two time slot expanded cells of configuration.
Wherein, carry the indication information of opening strange time slot and even slot synchronization in this channel configuration message.
S3, base station are according to this indication information, to strange time slot in the four continuous time slots of terminal distribution and the arrival of even time slot the time, send handshake frames to base station controller respectively, will be thereby initiate to the strange time slot of terminal distribution and the Packet Data Channel and the synchronous process of base station controller of even time slot correspondence.
For example, the logic channel of base station as shown in Figure 6, the base station can be the terminal distribution continuous time slot, time slot corresponding is numbered 4-7, is used for Packet Service.The above-mentioned indication information that the base station sends according to base station controller all sends handshake frames to base station controller, thereby makes that the Packet Data Channel of time slot 4-7 correspondence is all synchronous with base station controller when time slot 4,5,6,7 arrives.
S4, base station obtain need be to the Temporary Block Flow of terminal transmission.
S5, base station send Temporary Block Flow by above-mentioned synchronous Packet Data Channel to terminal.
Concrete, the base station can send Temporary Block Flow to terminal by the Packet Data Channel of above-mentioned synchronous continuous time slot 4,5,6,7 correspondences.
S6, terminal send upstream data by the Packet Data Channel of even time slot correspondence to the base station.
Concrete, terminal can send upstream data by the Packet Data Channel of time slot 4 or time slot 6 correspondences.
In the data transmission method that the embodiment of the invention four provides, the Packet Data Channel of each the time slot correspondence of base station in four time slots all sends data to terminal, has made full use of the downlink resource of strange time slot, has improved the terminal downloads performance of services greatly.
More than provide data transmission method to describe in detail to the embodiment of the invention, the embodiment of the invention also provides base station controller and the base station with the said method correspondence.
Referring to Fig. 7, Fig. 7 is the structural representation of the base station that provides of the embodiment of the invention five.
In embodiments of the present invention, two time slot expanded cell configurations are adopted in the base station, and the base station that the embodiment of the invention five provides can comprise:
The base station that the embodiment of the invention five provides can use the data transmission method of aforementioned correspondence to realize transfer of data, and details are referring to the description of preceding method embodiment.
The base station that the embodiment of the invention provides is in that obtain need be behind the downlink data that terminal sends, at least two Packet Data Channels by the continuous time slot correspondence send downlink data to terminal, promptly can send downlink data to terminal respectively by the Packet Data Channel of strange time slot and even time slot correspondence.Only can be for sending data on the Packet Data Channel of an even time slot correspondence in four time slots with respect in the prior art, the embodiment of the invention can send data to terminal by the Packet Data Channel of at least two continuous time slot correspondences, thereby can improve the data speed of download of terminal.
Referring to Fig. 8, Fig. 8 is the structural representation of the base station that provides of the embodiment of the invention six.
In embodiments of the present invention, two time slot expanded cell configurations are adopted in the base station, and the base station that the embodiment of the invention six provides can comprise:
Further, in the base station that the embodiment of the invention provides, channel synchronization unit 420 can send handshake frames to base station controller respectively, to initiate Packet Data Channel and the synchronous process of described base station controller when the strange time slot of terminal distribution and even time slot are arrived.
In the base station that the embodiment of the invention provides, channel synchronization unit 420 will be synchronous to the Packet Data Channel and the base station controller of the strange time slot of terminal distribution and even time slot correspondence according to the indication information of base station controller, and data transmission unit 440 sends data by at least two Packet Data Channels of continuous time slot correspondence to terminal.With respect to only sending data on the Packet Data Channel of an even time slot correspondence in four time slots in the prior art, the embodiment of the invention can send data to terminal at the Packet Data Channel of at least two continuous time slot correspondences, thereby can accelerate downstream rate, improve the data speed of download of terminal.
The base station that the embodiment of the invention six provides can use the data transmission method of aforementioned correspondence to realize transfer of data, and details are referring to the description of preceding method embodiment.
Referring to Fig. 9, Fig. 9 is the structural representation of the base station controller that provides of the invention process seven examples.
The base station controller that the embodiment of the invention seven provides can comprise:
Further, above-mentioned indication information can be arranged in two time slot functional switch fields of channel configuration message.
The base station controller that the embodiment of the invention seven provides can use the data transmission method of aforementioned correspondence to realize transfer of data, and details are referring to the description of preceding method embodiment.
In embodiments of the present invention, base station controller can pass through to base station transmitting channel configuration messages, can be so that the base station that receives this message will be synchronous to the Packet Data Channel and the base station controller of the strange time slot of terminal distribution and even time slot correspondence according to the indication information that wherein carries, at least two Packet Data Channels by the continuous time slot correspondence send data to terminal then.With respect to only sending data on the Packet Data Channel of an even time slot correspondence in four time slots in the prior art, the embodiment of the invention can make the base station of opening two time slot expanded cells send data to terminal on the Packet Data Channel of at least two continuous time slot correspondences, thereby can improve the data speed of download of terminal.
Need to prove, contents such as the information interaction in above-mentioned base station controller and the base station between each unit, implementation, because similar with the inventive method embodiment, particular content can repeat no more referring to the narration among the inventive method embodiment herein.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, computer program can be stored in the computer read/write memory medium, and this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, computer read/write memory medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
More than data transmission method and equipment that the embodiment of the invention is provided be described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, the part that all can change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (11)
1. the data transmission method based on two time slot expanded cells is characterized in that, comprising:
To carry out synchronously the strange time slot of terminal distribution and the Packet Data Channel and the base station controller of even time slot correspondence;
Obtaining need be to the downlink data of described terminal transmission;
Send described downlink data by described and at least two synchronous Packet Data Channels of base station controller to described terminal, the corresponding continuous time slot of described at least two Packet Data Channels.
2. method according to claim 1 is characterized in that, described will carry out synchronously to the Packet Data Channel of the strange time slot of terminal distribution and even time slot correspondence and base station controller before, also comprise;
Receive the channel configuration message that described base station controller sends, carry the indication base station in the described channel configuration message and open the indication information of strange time slot and even slot synchronization;
Describedly will carry out comprising synchronously to the strange time slot of terminal distribution and the Packet Data Channel and the base station controller of even time slot correspondence:
Will be synchronous according to described indication information to the Packet Data Channel and the described base station controller of the strange time slot of terminal distribution and even time slot correspondence.
3. method according to claim 1 and 2 is characterized in that,
Two or three that described at least two Packet Data Channels are corresponding continuous or four time slots.
4. method according to claim 1 is characterized in that, described will be synchronous to the Packet Data Channel and the described base station controller of the strange time slot of terminal distribution and even time slot correspondence, comprising:
When the strange time slot of terminal distribution and even time slot are arrived, send handshake frames to described base station controller respectively.
5. the data transmission method based on two time slot expanded cells is characterized in that, comprising:
Generate channel configuration message, carry the indication information of opening strange time slot and even slot synchronization in the described channel configuration message;
Send described channel configuration message to the base station of adopting two time slot expanded cell configurations.
6. method according to claim 5 is characterized in that,
Described indication information is arranged in two time slot functional switch fields of described channel configuration message.
7. a base station is characterized in that, two time slot expanded cell configurations are adopted in described base station, and described base station comprises:
The channel synchronization unit is used for and will the strange time slot of terminal distribution and the Packet Data Channel and the base station controller of even time slot correspondence be carried out synchronously;
Data capture unit, being used to obtain need be to the downlink data of terminal transmission;
Data transmission unit is used for sending the downlink data that described data capture unit obtains by at least two Packet Data Channels of described channel synchronization units synchronization to described terminal, the corresponding continuous time slot of described at least two Packet Data Channels.
8. base station according to claim 7 is characterized in that, also comprises:
The message sink unit is used to receive the channel configuration message that described base station controller sends, and carries the described base station of indication in the described channel configuration message and opens the indication information of strange time slot and even slot synchronization;
Described channel synchronization unit is further used for will be synchronous to the Packet Data Channel and the described base station controller of the strange time slot of terminal distribution and even time slot correspondence according to described indication information.
9. base station according to claim 7 is characterized in that,
Described channel synchronization unit sends handshake frames to described base station controller respectively when the strange time slot of terminal distribution and even time slot are arrived.
10. a base station controller is characterized in that, comprising:
Message generation unit is used to generate channel configuration message, carries the indication information of opening strange time slot and even slot synchronization in the described channel configuration message;
Message sending unit is used for sending the channel configuration message that described message generation unit generates to the base station of adopting two time slot expanded cell configurations.
11. base station controller according to claim 10 is characterized in that,
Described indication information is arranged in two time slot functional switch fields of described channel configuration message.
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| CN2011100809934A CN102202352A (en) | 2011-03-31 | 2011-03-31 | Data transmission method and equipment |
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| CN2011100809934A CN102202352A (en) | 2011-03-31 | 2011-03-31 | Data transmission method and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1394094A (en) * | 2001-06-29 | 2003-01-29 | 华为技术有限公司 | Method for enlarging radius if society for GSM communication system |
| US20060087997A1 (en) * | 2003-04-15 | 2006-04-27 | Da Tang Mobile Communications Equipment Co., Ltd. | Method for improving the transmission speed in multi-slot CDMA wireless communication system |
| CN101043265A (en) * | 2007-04-27 | 2007-09-26 | 华为技术有限公司 | Method for realizing multimedia broadcasting and multicasting service data synchronized transmission |
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2011
- 2011-03-31 CN CN2011100809934A patent/CN102202352A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394094A (en) * | 2001-06-29 | 2003-01-29 | 华为技术有限公司 | Method for enlarging radius if society for GSM communication system |
| US20060087997A1 (en) * | 2003-04-15 | 2006-04-27 | Da Tang Mobile Communications Equipment Co., Ltd. | Method for improving the transmission speed in multi-slot CDMA wireless communication system |
| CN101043265A (en) * | 2007-04-27 | 2007-09-26 | 华为技术有限公司 | Method for realizing multimedia broadcasting and multicasting service data synchronized transmission |
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Application publication date: 20110928 |