CN1951140B - Communication system, stations for use therein, and method of operating a communication system - Google Patents
Communication system, stations for use therein, and method of operating a communication system Download PDFInfo
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- CN1951140B CN1951140B CN200580014483XA CN200580014483A CN1951140B CN 1951140 B CN1951140 B CN 1951140B CN 200580014483X A CN200580014483X A CN 200580014483XA CN 200580014483 A CN200580014483 A CN 200580014483A CN 1951140 B CN1951140 B CN 1951140B
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- indication
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Abstract
A communication system (50) comprises a first station (100), and a plurality of second stations (200). Each second station (200) transmits a first indication of one or more transmission formats currently available for reception by it, and one or more of the second stations (200) transmit a second indication of a transmission format to be vetoed. The first station (100) receives the indications and uses the first and second indications to select a transmission format, where the selection is made from those transmission formats that are available to all second stations (200) and those available to only a sub-set of the second stations (200), and excludes each vetoed transmission format. The first station (100) then transmits data using the selected transmission format. The data is received by one or more of the second stations (200) and forwarded to a destination (400).
Description
Technical field
The present invention relates to communication system, be used for the method at station and the operation communication system and the station of communication system.The present invention is applied to mobile communication especially, for example is applied to the transfer of data from the mobile radio station to the stationary nodes during the soft transfer (handover) between a plurality of base stations.
Background technology
It is known that cell mobile communication systems uses soft transfer, wherein mobile radio station in more than one sub-district with base station communication.For example, when when a sub-district is transferred to another sub-district, this may occur, and soft in this case transfer energy minimization is for any interruption (destruction) of ongoing communication.The data that sent by mobile radio station can be routed to the destination by in these base stations any one.
Known base station is equipped as operation any in the multiple transformat, and the transformat of consulting to be used for specific transmission between base station and mobile radio station.Transformat comprises and relates to the one or more parameters that send signal, for example modulation scheme, bit rate, coding and interleave depth.
Expectation can be selected a kind of transformat that uses between the soft handover period.
Summary of the invention
The objective of the invention is to allow to be chosen in the transformat that uses between the soft handover period.
According to a first aspect of the invention, provide the method for a kind of operation communication system, this communication system comprises first stop and a plurality of second station, and this method comprises:
On each second station, send first indication that corresponding second station is currently available for one or more transformats of reception;
On one or more second stations, second indication of the transformat that transmission will be vetoed;
On first stop:
These indications of-reception;
-use first and second indications to select transformat, wherein this selection is from all available those transformats in all second stations and only can be used for making those transformats of subclass at second station, and gets rid of the transformat that each is vetoed;
-use selected transformat, send data; And
On one or more second stations, receive data.
According to a second aspect of the invention, be provided for the first stop in the communication system, this communication system comprises a plurality of second stations, and this first stop comprises:
-be used for receiving the device of first indication that corresponding second station is currently available for one or more transformats of reception from each of a plurality of second stations;
-be used for receiving the device of second indication of the transformat that will be vetoed from one or more second stations;
-be used to use first and second indications to select the device of transformat, wherein this selection is from all available those transformats in all second stations and only can be used for making those transformats of subclass at second station, and gets rid of the transformat that each is vetoed;
-be used to use selected transformat to send the device of data.
According to a third aspect of the invention we, provide a kind of second station that is used for communication system, this communication system comprises first stop and a plurality of second station, and this second station comprises:
-be used to send the device of first indication that second station is currently available for one or more transformats of reception;
-be used to send the device of second indication of the transformat that will be vetoed; And
-be used to receive the device of the data that send by first stop.
According to a forth aspect of the invention, provide a kind of communication system, this communication system comprise according to a second aspect of the invention first stop and a plurality of second stations according to a third aspect of the invention we.
By indicating those transformats to be currently available for reception, second station provides information, so that first stop can be selected the available form at least one second station.Term " the can be used for receive " meaning is: second station is provided as uses the transformat of indication to receive data, and to use the quality of reception of this transformat to be assessed as for receiving these data according to standard be enough.The parameter that can be used to assess the quality of reception alone or in combination for example is the value and the current transmitted power of signal level, the error rate, BLER (block error rate), signal-to-jamming ratio, signal to noise ratio, delay, load, buffer occupancy, received power control command.Can use other parameter.
By the transformat that indication will be vetoed, such transformat can be indicated in second station, if these transformats are used by other second station, then these transformats are assessed as according to standard and generate unacceptable interference.It is identical can being used to assess the parameter that parameter and being used to of listing above of the acceptability of interference estimate the quality of reception.
By from all available those transformats in all second stations and only can be used for selecting transformat those transformats of subclass at second station, and get rid of the transformat that each is vetoed, the number of the transformat that can be used for selecting is maximized, and this advantage that has is: can select to allow for example transformat of higher data rate or higher signal quality of greater efficiency.
In one embodiment, although the selected form of indication is disabled, second station that receives the data that send with selected format still can send affirmation.This affirmation can be affirmation sure or that negate.This kind situation occurs in the time of for example can condition of acceptance improves before sending data.This embodiment has the advantage of the number at second station that maximizes the data that can receive transmission on it, thereby increases efficient.In this embodiment, first stop be applicable to from indicate selected transformat be the second available station and never the selected transformat of indication be confirmation of receipt available second station.
In the modification of the foregoing description, be restricted to positive acknowledgement in response to receiving the affirmation of using it to be designated as the data of disabled transformat and sending by second station.
Description of drawings
To and the present invention be described with reference to the accompanying drawings by example now, wherein:
Fig. 1 is the block diagram of communication system;
Fig. 2 is the flow chart that transmits the method for packet.
Embodiment
With reference to figure 1, show the radio communications system 50 at a plurality of second stations 200 that comprise first stop 100 and be coupled to destination node device 400.First stop 100 can be a mobile communication equipment for example, and second station 100 can be the base station in the mobile communications network.Term " node device " is used in reference to the arbitrary equipment that is coupled to each station in a plurality of second stations 200, and wherein data are routed to this node device.
Operation referring now to the flowchart text radio communications system 50 of Fig. 2.In Fig. 2, the step on the left side of flow chart is relevant with the step that first stop 100 is carried out, and the step on the right side is relevant with the step of each second station, 200 execution.The step with dotted line that shows in the square is optional step.
In step 500, the control device 250 at each second station 200 determines which transformat is currently available for second station 200 and receives data.The tabulation of such form can pre-determine or use above-mentioned evaluate parameter dynamically to determine, and is stored in the storage device 260.Also in step 500, the control device 250 at each second station 200 is determined so any transformat, if these transformats are used by other second station, these transformats are assessed as and generate unacceptable interference.The possible parameter that is used for this assessment as mentioned above.The transformat of these back is the transformats that will be vetoed, and the tabulation of these forms can be stored in the storage device 260.The form that to be vetoed that second station 200 is selected can be the corresponding second station 200 current subclass that are not useable for the form of Data Receiving.
In step 510, each second station sends second indication of first indication of the one or more transformats that are currently available for corresponding second station reception data and any transformat that (if any) will be vetoed by transmitter 210.
In step 520, the indication that first stop 100 receives from each second station 200 by its receiver 140.
In step 530, control device 150 uses first and second indications that receive to select transformat.This selection be from the second all stations 200 can with those transformats and only can be used for making the transformat of subclass at second station 200, and get rid of the transformat that each is vetoed.
In step 540, first stop 100 uses selected transformat to send data by transmitter 110.
In step 550, on one or more second stations 200, receive data.
In step 560, one or more second stations 200 that the data of reception are received these data are forwarded to the destination.In Fig. 1, the destination is a node device 400.
In optional step 570, receive data and transmit of the second station 200 transmission affirmations of these data to node device 400.This affirmation can be meant and be shown as the positive acknowledgement that merit receives data, also can be the unsuccessful Negative Acknowledgement that receives data of indication.Alternatively, although the form that indication is selected is unavailable, receives second station 200 that sends data with selected format and also can send affirmation; In further option, the transmission of such affirmation can only limit to sure affirmation.
In optional step 580, first stop 100 is by receiver 140 confirmations of receipt.Receiver 140 go for alternatively from indicate selected transformat be the second available station and never the selected transformat of indication be confirmation of receipt available second station.For example, if receiver 140 is the receivers that are used for code division multiple access (CDMA) confirmation signal, then this receiver goes for the code that use at relevant all second stations 200, and the not only relevant transformat of being selected by indication is those available second station, 200 employed codes.
After step 580, whether first stop 100 can receive positive acknowledgement according to it and determine whether retransmission data.
In this specification and claims, " one or " before the element does not get rid of the existence of a plurality of such elements.In addition, word " comprises " other elements do not got rid of outside listed or the existence of step.
Reference symbol in the claim bracket is used for auxiliary understanding, rather than be used to limit.
By reading current disclosure, those of ordinary skill in the art will recognize that other modification.These modifications can relate to other known in the field of communication system, equipment and method of operation features, and these can be used for replacing or being additional to the feature of having described at this literary composition.
Claims (6)
1. the method for an operation communication system (50), this communication system comprises first stop (100) and a plurality of second station (200), this method comprises:
On each second station (200), send first indication that is currently available for one or more transformats of reception by corresponding second station (200);
On one or more second stations (200), second indication of the transformat that transmission will be vetoed;
On first stop (100):
These indications of-reception;
-use first and second indications to select transformat, wherein this selection is to make from those transformats of can be used for all second stations (200) and those transformats of only can be used for the subclass all second stations (200), and gets rid of the transformat that each is vetoed;
-use selected transformat, send data; And
On one or more second stations (200), receive this data.
2. the method for claim 1 further comprises:
At the selected transformat of indication is on available at least one second station and on the selected transformat of indication not is available at least one second station (200), sends and confirms, receives the data of transmission with response, and
On first stop (100), from indicate selected transformat be those available second stations (200) and the selected transformat of indication be confirmation of receipt available those second stations (200).
3. a first stop (100) is used for comprising the communication system (50) at a plurality of second stations (200), and this first stop comprises:
-be used for receiving the device (140) of first indication that is currently available for one or more transformats of reception by corresponding second station (200) from each of a plurality of second stations (200);
-be used for receiving the device (140) of second indication of the transformat that will be vetoed from one or more second stations;
-be used to use first and second indications to select the device (150) of transformat, wherein this selection is to make from those transformats that can be used for all second stations (200) and the transformat that only can be used for the subclass all second stations (200), and gets rid of the transformat that each is vetoed;
-be used to the device (110) that uses selected transformat to send data.
4. a station (200) is used for comprising the communication system (50) at first stop (100) and a plurality of second station (200), and this second station (200) comprising:
-be applicable to send first device (210) of indicating that second station (200) is currently available for one or more transformats of reception;
-be applicable to the device (210) of second indication of transformat that transmission will be vetoed; With
-be used for receiving the device (240) of the data that send by first stop (100).
5. second station as claimed in claim 4 (200), the device (240) that wherein is used to receive are applicable to that reception is not designated as the data that the form that can be used to receive by second station (200) sends by first stop (100) with current.
6. a communication system (50) comprises first stop as claimed in claim 3 (100) and a plurality of second stations as claimed in claim 4 (200).
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0410210.9 | 2004-05-07 | ||
| GB0410210A GB0410210D0 (en) | 2004-05-07 | 2004-05-07 | Communication system |
| GB0413307.0 | 2004-06-15 | ||
| GB0413307A GB0413307D0 (en) | 2004-05-07 | 2004-06-15 | Communication system, stations for use therein, and method of operating a communication system |
| PCT/IB2005/051484 WO2005109942A1 (en) | 2004-05-07 | 2005-05-06 | Communication system, stations for use therein, and method of operating a communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1951140A CN1951140A (en) | 2007-04-18 |
| CN1951140B true CN1951140B (en) | 2011-06-15 |
Family
ID=32482847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200580014483XA Expired - Fee Related CN1951140B (en) | 2004-05-07 | 2005-05-06 | Communication system, stations for use therein, and method of operating a communication system |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN1951140B (en) |
| AT (1) | ATE518394T1 (en) |
| GB (2) | GB0410210D0 (en) |
| TW (1) | TWI354507B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0929203A2 (en) * | 1998-01-07 | 1999-07-14 | Nokia Mobile Phones Ltd. | Cell selection in a multiple modulation cellular radio system |
| CN1385023A (en) * | 1999-08-27 | 2002-12-11 | 艾利森电话股份有限公司 | Transport format combination indicator mapping for telecommunications |
| EP1333696A1 (en) * | 2002-02-01 | 2003-08-06 | Sendo International Ltd. | Enabling and/or inhibiting an operation of a wireless communication unit |
| CN1449636A (en) * | 2000-07-05 | 2003-10-15 | 艾利森电话股份有限公司 | Method and apparatus for selecting an access technology in a multi-mode terminal |
| US6731907B1 (en) * | 1999-05-03 | 2004-05-04 | Samsung Electronics Co., Ltd. | Call restriction method for base station in cellular radio communication system |
-
2004
- 2004-05-07 GB GB0410210A patent/GB0410210D0/en not_active Ceased
- 2004-06-15 GB GB0413307A patent/GB0413307D0/en not_active Ceased
-
2005
- 2005-05-04 TW TW94114429A patent/TWI354507B/en not_active IP Right Cessation
- 2005-05-06 AT AT05734005T patent/ATE518394T1/en not_active IP Right Cessation
- 2005-05-06 CN CN200580014483XA patent/CN1951140B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0929203A2 (en) * | 1998-01-07 | 1999-07-14 | Nokia Mobile Phones Ltd. | Cell selection in a multiple modulation cellular radio system |
| US6731907B1 (en) * | 1999-05-03 | 2004-05-04 | Samsung Electronics Co., Ltd. | Call restriction method for base station in cellular radio communication system |
| CN1385023A (en) * | 1999-08-27 | 2002-12-11 | 艾利森电话股份有限公司 | Transport format combination indicator mapping for telecommunications |
| CN1449636A (en) * | 2000-07-05 | 2003-10-15 | 艾利森电话股份有限公司 | Method and apparatus for selecting an access technology in a multi-mode terminal |
| EP1333696A1 (en) * | 2002-02-01 | 2003-08-06 | Sendo International Ltd. | Enabling and/or inhibiting an operation of a wireless communication unit |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200616481A (en) | 2006-05-16 |
| GB0413307D0 (en) | 2004-07-14 |
| GB0410210D0 (en) | 2004-06-09 |
| CN1951140A (en) | 2007-04-18 |
| TWI354507B (en) | 2011-12-11 |
| ATE518394T1 (en) | 2011-08-15 |
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