CN101291172B - Method and apparatus for controlling configuration of signed number, updating method and apparatus thereof - Google Patents
Method and apparatus for controlling configuration of signed number, updating method and apparatus thereof Download PDFInfo
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- CN101291172B CN101291172B CN 200710098419 CN200710098419A CN101291172B CN 101291172 B CN101291172 B CN 101291172B CN 200710098419 CN200710098419 CN 200710098419 CN 200710098419 A CN200710098419 A CN 200710098419A CN 101291172 B CN101291172 B CN 101291172B
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Abstract
The invention discloses a method for collocating control symbol number. The method comprises the steps of: determining the control symbol number according to scheduled time slot number corresponding to downlink time slots used for scheduling and proportion of uplink time slots and the downlink time slots; and allowing the determined control symbol number to be collocated to the control symbol number in the time slots used for scheduling. If each downlink time slot in a subframe is used for scheduling, the control symbol number in each downlink time slot is determined according to the corresponding scheduled time slot number and the proportion of the uplink and downlink time slots therein. If one downlink time slot in the subframe is used for scheduling, the control symbol number in the downlink time slot is determined according to the proportion of the uplink and downlink time slot in the corresponding scheduled time slot. The invention also discloses a collocation device for the control symbol number and an update method and a device for the control symbol number. Through using the method for collocating the control symbol number, the adopted control symbol number is matched with the control symbol number in actual demands, and the method for collocating the control symbol number can ensure transmission of scheduling information and reasonable utilization of resources.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of collocation method of control character number and device and update method and device.
Background technology
In the wireless communication technology field, control character is used to control resources such as correlated channels, time slot.Long Term Evolution (the Long Term Evolution that for example proposes by 3GPP recently; LTE) plan develops rapidly; Its key technology-OFDM (Orthogonal Frequency Division Multiplexing, OFDM) in, adopt control character that Radio Resource is controlled.
The cardinal principle of OFDM technology is that high-speed data-flow is passed through string and conversion, forms a plurality of low speed datas streams, parallel transmission on a plurality of orthogonal sub-carriers in given channel.What carry out on each subcarrier is narrow band transmission, and signal bandwidth can be eliminated intersymbol interference greatly less than the respective channel bandwidth; The carrier wave of each subchannel (being subcarrier) is mutually orthogonal, and their frequency spectrum is overlapped, therefore has the higher availability of frequency spectrum.
LTE comprises two kinds of multiplex modes, and frequency division multiplexing (Frequency Division Duplexing) and time division multiplexing (Time Division Duplexing, TDD).(Transmission Time Interval, structure TTI) is as shown in Figure 1 for the Transmission Time Interval of existing LTE FDD.Like Fig. 1, a TTI among the LTE FDD comprises two sub-frame, on time domain, comprises 14 symbols.
Along with the LTE technical development, confirmed that the individual OFDM symbol of preceding m (m≤3) is as control character among the descending TTI of LTE FDD, preceding m symbol of all subcarriers all is used as control character.The concrete number of control character is by the decision of control signaling consumption, and the control signaling consumption is directly related with the resource size and the type that need control.Usually, dispatch takies more control signaling consumptions, and number of users that it is dispatched and number of resources are also many more, and the TTI that needs maybe be many more, and the control signaling consumption is also just big more.Simultaneously, the required control signaling consumption of uplink scheduling lacks than what descending scheduling needed, and then when the TTI of scheduling similar number, if the up-downgoing ratio is different, required control signaling consumption is different.
Among the existing LTE FDD, the control character among each descending TTI is confirmed as identical number.The up-downgoing data are sent simultaneously, and the control character among descending TTI is dispatched a descending TTI and a up TTI regularly, and; The structure of each TTI is identical among the LTE FDD; Like this, the control character among each descending TTI is confirmed as similar number, can satisfy the structural requirement of FDD.
The TTI structure of LTE TDD and a kind of situation of time slot allocation thereof are as shown in Figure 2.A radio frames comprises two sub-frame.One sub-frame comprises 3 special time slots and 7 common time slots (TS0～TS6).3 special time slots be respectively descending pilot frequency time slot (Downlink Pilot Time Slot, DwPTS), protection at interval (GP) and uplink pilot time slot (Uplink Pilot Time Slot, UpPTS).Comprise a common time slot in a TTI in the subframe; Its type is upstream or downstream; Between adjacent ascending time slot and descending time slot, have the time slot transfer point, this transfer point can be for descending time slot to ascending time slot inversion point (UDSP) or ascending time slot to descending time slot inversion point (DUSP).Unified certain time slot allocation mode that adopts of subframe among the LTE TDD, like the example among Fig. 2, adopting has a DUSP and a UDSP, DUSP after DwPTS, the mode of UDSP after TS3.Usually, descending time slot this subframe of control of current subframe or and/or a plurality of time slot of next subframe, controlled time slot can be upstream or downstream.
The method that does not also have clear and definite configuration control character number at present among the LTE TDD.And; Can there be multiple situation the number of time slot transfer point and position in the LTE TDD subframe; Multiple time slot allocation mode is arranged like this; Therefore the number of time slots or the time slot type of different descending time slots (TTI) the needs control in the same subframe possibly be different, and the control character number that correspondingly needs among each descending TTI also is different.If still adopt the method for confirming control character number among the descending TTI among the LTE FDD under this situation; The control character that is about among each descending TTI is confirmed as identical number; Apparently; The symbolic number of the control character number of employing greater or less than the time slot actual needs of being controlled can occur, cause the wasting of resources or inadequate resource, the transmission of schedule information can not be guaranteed during inadequate resource.
Summary of the invention
The embodiment of the invention provides a kind of collocation method and device and update method and device of control character number, to realize the configuration to the control character number.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of collocation method and device and update method of control character number and device to be achieved in that
A kind of collocation method of control character number comprises:
Be scheduled number of time slots and uplink and downlink timeslot ratio according to the descending time slot that is used to dispatch is corresponding are confirmed the control character number;
Said definite control character number is configured to the control character number of the said time slot that is used for dispatching.
Said definite control character number is realized by following mode:
When each descending time slot all is used to dispatch in the subframe, in each descending time slot the number of control character according to correspondence be scheduled number of time slots and wherein the ratio of uplink and downlink timeslot confirm.
The definite of control character number realized by following mode in said each descending time slot:
Each descending time slot all is used for scheduling in subframe; And when descending time slot is positioned at after the descending pilot frequency time slot to the ascending time slot transfer point; If the time slot 1 in this subframe in time slot 6 these time slots of scheduling and next subframe; This time slot of other descending time slot scheduling and following closely ascending time slot in this subframe, then in each descending time slot the number of control character according to the be scheduled number of time slots and the ratio of uplink and downlink timeslot wherein of correspondence, definite by following mode:
Ascending time slot after time slot 1, confirms that the control character number of time slot 0 and time slot 2～time slot 5 is first number to the descending time slot transfer point, and the control character number of time slot 6 is second number;
After time slot 2, the control character number of confirming time slot 3～time slot 5 is first number to ascending time slot to the descending time slot transfer point, and time slot 0 control time slot is this time slot and time slot 2, confirms that the time slot 0 and the control character number of time slot 6 are second number;
Ascending time slot to the descending time slot transfer point after time slot 3; The control character number of confirming time slot 4～time slot 5 is first number; The control character number of time slot 6 is second number, and time slot 0 control time slot is this time slot, time slot 2 and time slot 3, and the control character number of confirming time slot 0 is the 3rd number;
Ascending time slot to the descending time slot transfer point after time slot 4; The control character number of confirming time slot 5 these time slots of control is first number; The control character number of time slot 6 is second number, and time slot 0 control time slot is this time slot and time slot 2～time slot 4, and the control character number of confirming time slot 0 is the 4th number;
After time slot 5, the control character number of confirming time slot 6 is second number to ascending time slot to the descending time slot transfer point, and time slot 0 control time slot is this time slot and time slot 2～time slot 5, and the control character number of confirming time slot 0 is the 5th number.
Said definite control character number comprises:
When a descending time slot was used to dispatch in the subframe, then the number of control character was confirmed based on the ratio of uplink and downlink timeslot in the time slot that is scheduled of correspondence in this descending time slot.
The definite of control character number realized by following mode in the said descending time slot:
When ascending time slot was positioned at after the time slot 1 to the descending time slot transfer point, time slot 1 be an ascending time slot, and other 6 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 1:6, confirmed that the control character number of time slot 0 needs is the 6th number;
When ascending time slot was positioned at after the time slot 2 to the descending time slot transfer point, time slot 1～time slot 2 be an ascending time slot, and other 5 time slots are descending time slot, and uplink and downlink timeslot ratio is 2:5, confirmed that the control character number of time slot 0 needs is the 7th number;
When ascending time slot was positioned at after the time slot 3 to the descending time slot transfer point, time slot 1～time slot 3 be an ascending time slot, and other 4 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 3:4, confirmed that the control character number of time slot 0 needs is the 8th number;
When ascending time slot was positioned at after the time slot 4 to the descending time slot transfer point, time slot 1～time slot 4 be an ascending time slot, and other 3 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 4:3, confirmed that the control character number of time slot 0 needs is the 9th number;
When ascending time slot was positioned at after the time slot 5 to the descending time slot transfer point, time slot 1～time slot 5 be an ascending time slot, and other 2 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 5:2, confirmed that the control character number of time slot 0 needs is the tenth number.
Said first number to the, ten numbers according to the form of control signaling with take bit number and confirm.
A kind of inking device of control character number comprises that the control character number confirms that unit and control character count dispensing unit, wherein,
The control character number is confirmed the unit, confirms the control character number according to be scheduled number of time slots and uplink and downlink timeslot ratio that the descending time slot that is used to dispatch is corresponding;
Control character is counted dispensing unit, is used for said control character number is confirmed that the definite control character number in unit is configured to the control character number of the said time slot that is used to dispatch.
When said control character number is confirmed the unit each descending time slot all is used to dispatch in subframe, according to correspondence be scheduled number of time slots and wherein the ratio of uplink and downlink timeslot confirm the number of control character in each descending time slot.
When said control character number is confirmed the unit descending time slot is used to dispatch in subframe, confirm the number of control character in this descending time slot according to the ratio of uplink and downlink timeslot in the time slot that is scheduled of correspondence.
A kind of update method of control character number comprises:
The descending time slot of confirming to be used to dispatch under the situation of different numbers, it is corresponding the be scheduled number of time slots and the corresponding relation of uplink and downlink timeslot ratio and control character number wherein;
The corresponding relation that storage is confirmed;
Reach wherein uplink and downlink timeslot ratio based on current descending time slot number that is used to dispatch and the corresponding number of time slots that is scheduled, confirm the control character number that adopts through the inquiry stored relation;
When one of them changes when the descending time slot number that is used to dispatch, time slot transfer point number and position; Reach wherein uplink and downlink timeslot ratio according to descending time slot number that is used to dispatch after changing and the corresponding number of time slots that is scheduled, the inquiry stored relation is confirmed the control character number of employing.
Said corresponding relation can be used as table and is stored in the network side and/or in the terminal.
A kind of control character is counted updating device, and this device comprises that corresponding relation confirms the unit, and correspondence relation storage is confirmed the control character counting unit, and judging unit is known the unit, wherein,
Corresponding relation is confirmed the unit, the descending time slot of confirming to be used to dispatch under the situation of different numbers, it is corresponding the be scheduled number of time slots and the corresponding relation of uplink and downlink timeslot ratio and control character number wherein;
Correspondence relation storage is used for the corresponding relation of confirming is stored in network side and/or terminal;
Confirm the control character counting unit, be used for, confirm that through inquiry correspondence relation storage stored relation send the base station and/or the terminal receives the control character number that is adopted according to current scheduling mode, needs time slot scheduling number and uplink and downlink timeslot ratio;
Judging unit is used to judge whether current scheduling mode, time slot transfer point number and/or position change;
Know the unit; Be used for when judgment unit judges current scheduling mode, time slot transfer point number and/or position change; Know scheduling mode, time slot transfer point number and position after changing, and the result that will obtain sends to definite control character counting unit.
Technical scheme by the above embodiment of the invention provides is visible; According to the descending correspondence that is used to dispatch be scheduled number of time slots and wherein the ratio of dissimilar time slots confirm the control character number; And the control character number in the descending time slot is configured to said definite control character number, like this, the control character number of employing conforms to the symbolic number of actual needs; Guarantee the transmission of schedule information, and guarantee the reasonable resources utilization.
Description of drawings
Fig. 1 is the structural representation of a Transmission Time Interval of frequency division multiplexer mode in the existing Long Term Evolution;
Fig. 2 is the structural representation of a Transmission Time Interval of time division multiplexing in the existing Long Term Evolution;
Fig. 3 counts the flow chart of collocation method embodiment for control character of the present invention;
The scheduling mode that Fig. 4 adopts for the embodiment of the invention is divided into Fig. 4-1 to Fig. 4-5 for each descending time slot all is used to the situation of dispatching;
Fig. 5 is divided into Fig. 5-1 to Fig. 5-5 for the scheduling mode that the embodiment of the invention adopts is the situation that time slot 0 is used to dispatch;
Fig. 6 counts the block diagram of inking device embodiment for control character of the present invention;
Fig. 7 counts the flow chart of update method embodiment for control character of the present invention;
Fig. 8 counts the block diagram of updating device embodiment for control character of the present invention.
Embodiment
The embodiment of the invention provides a kind of collocation method of control character number; Basic thought is to confirm the control character number according to the scheduling mode of taking, the number of time slots of each time slot needs scheduling and the ratio of dissimilar time slots, and the control character number in the descending time slot is configured to said definite control character number.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and execution mode.
Fig. 3 shows the flow chart of the inventive method embodiment.
Step 301: the control character number of the descending time slot of confirming according to the corresponding number of time slots that is scheduled of the descending time slot that is used for dispatching and uplink and downlink timeslot ratio to be used to dispatch.
Among the LTE TDD, the number of time slots that the scheduling mode of taking, each time slot need be dispatched is different with uplink and downlink timeslot ratio.For example scheduling mode all is used for scheduling for each descending time slot, and the timeslot number that each descending time slot need be dispatched maybe be different, and the number of control character possibly be different in then said each descending time slot; For example scheduling mode is to have only a descending time slot to be used for scheduling in the sub-frame again, and the time slot sum of this descending time slot scheduling is identical, but the up-downgoing ratio is uncertain, and the number of the control character that therefore needs also possibly be different.Therefore, need confirm the control character number according to the number and the type of control time slot.A TTI comprises a time slot among the LTE TDD, and the present invention mentions under this situation TTI and time slot are equal to.
Below be positioned at after the DwPTS with modal DUSP in the structure of time slot, the situation of having only a UDSP is that example describes.This UDSP possibly be arranged in the afterbody of 1 time slot of TS1～TS5, and then the time slot before from TS1 to UDSP is an ascending time slot all, all is descending time slot from UDSP to TS6.
UDSP possibly be arranged in the afterbody of 1 time slot of TS1～TS5, and ascending time slot possibly be TS1, TS1～TS2; TS1～TS3, TS1～TS4, these five kinds of TS1～TS5 one of them; What TS0 and TS6 were fixing is descending time slot, and then uplink and downlink timeslot distributes the corresponding five kinds of situation that have.Under the different situations, the control character number is different.
The scheduling mode of taking can be that each descending time slot all is used for scheduling, also can be to have only a descending time slot to be used for scheduling in the sub-frame.The control character number is different under the different scheduling modes.Below lift two kinds of situation explanations:
(1) all is used to the situation of dispatching for each descending time slot when the scheduling mode that adopts, supposes this time slot of TS6 scheduling and the TS1 of next subframe in this subframe; Other descending time slot this time slot of scheduling and ascending time slot following closely in this subframe.
Fig. 4 shows the sketch map of time slot control relation under this situation.
Fig. 4-1, UDSP are after TS1, and having only TS1 in the subframe is ascending time slot.Each this time slot of Self Control of TS0 and TS2～TS5, establishing its control character number that needs is m
1, promptly be made as first number; The TS1 of this time slot of TS6 control and next subframe promptly controls 2 time slots, 1 descending time slot of 1 ascending time slot wherein, and establishing its control character number that needs is m
2, promptly be made as second number.
Among Fig. 4-2, UDSP is after TS2, and TS1 in the subframe and TS2 are ascending time slot.This time slot of TS0 control and TS2 promptly control 1 time slot, wherein 1 up 1 descending, identical with timeslot number and the number of types of TS6 control, control character number of its needs is also identical, is m
2Each this time slot of Self Control of TS3～TS5, its control character number that needs is m
1
Among Fig. 4-3, UDSP is after TS3, and the TS1～TS3 in the subframe is an ascending time slot.The TS1 of this time slot of TS6 control and next subframe, the control character number that needs still is m
2This time slot of TS0 control and TS2, TS3 are promptly controlled 3 time slots, wherein 1 descending 2 up, control character number of establishing its needs is m
3, promptly be made as the 3rd number; Each this time slot of Self Control of TS4～TS5, its control character number that needs is m
1
Among Fig. 4-4, UDSP is after TS4, and the TS1～TS4 in the subframe is an ascending time slot.The TS1 of this time slot of TS6 control and next subframe, the control character number that needs still is m
2This time slot of TS0 control and TS2～TS4 are promptly controlled 4 time slots, wherein 1 descending 3 up, control character number of establishing its needs is m
4, promptly be made as the 4th number; TS5 controls this time slot, and its control character number that needs is m
1
Among Fig. 4-5, UDSP is after TS5, and the TS1～TS5 in the subframe is an ascending time slot.The TS1 of this time slot of TS6 control and next subframe, the control character number that needs still is m
2This time slot of TS0 control and TS2～TS5 are promptly controlled 5 time slots, wherein 1 descending 4 up, control character number of establishing its needs is m
5, promptly be made as the 5th number.
More than comprehensive, the timeslot number of dispatching on each descending time slot of different UDSP position (control character number) can be as shown in the table:
The timeslot number and the control character of table 1.UDSP position and the scheduling of each descending time slot are counted mapping table
(2) scheduling mode when employing is to have only a descending time slot all to be used to the situation of dispatching in the subframe; The time slot sum of scheduling all is 7; But difference with position of conversion point; The ratio of ascending time slot and descending time slot is different in 7 time slots of scheduling, and the bit number of the required scheduling of ascending time slot is less than the bit number of the required scheduling of descending time slot.
Fig. 5 shows the sketch map of time slot control relation under this situation, is divided into Fig. 5-1 to Fig. 5-5, and these sketch mapes all are the situation that the TS0 in the subframe is used to dispatch.
Among Fig. 5-1, the TS0～TS6 in this subframe of TS0 scheduling, when UDSP was positioned at after the TS1, TS1 was an ascending time slot, and other 6 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 1:6, and establishing its control character number that needs is m
6, promptly be made as the 6th number.
Among Fig. 5-2, the TS0～TS6 in this subframe of TS0 scheduling, when UDSP was positioned at after the TS2, these 2 time slots of TS1 and TS2 were ascending time slot, and other 5 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 2:5, and establishing its control character number that needs is m
7, promptly be made as the 7th number.
Among Fig. 5-3, the TS0～TS6 in this subframe of TS0 scheduling, when UDSP was positioned at after the TS3, these 3 time slots of TS1～TS3 were ascending time slot, and other 4 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 3:4, and establishing its control character number that needs is m
8, promptly be made as the 8th number.
Among Fig. 5-4, the TS0～TS6 in this subframe of TS0 scheduling, when UDSP was positioned at after the TS4, these 4 time slots of TS1～TS4 were ascending time slot, and other 3 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 4:3, and establishing its control character number that needs is m
9, promptly be made as the 9th number.
Among Fig. 5-4, the TS0～TS6 in this subframe of TS0 scheduling, when UDSP was positioned at after the TS5, these 5 time slots of TS1～TS5 were ascending time slot, and other 2 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 5:2, and establishing its control character number that needs is m
10, promptly be made as the tenth number.
When the time slot that is used to dispatch is not TS0, but during other descending time slot, control character number and above-mentioned situation that this time slot is required are similar, also are by the uplink and downlink timeslot ratio decision that is scheduled.
More than comprehensive, the timeslot number of dispatching on each descending time slot of different UDSP position (being the control character number in the bracket) can be as shown in the table:
| The UDSP position | Uplink and downlink timeslot ratio (control character number) |
| TS1 | 1:6(m 6) |
| TS2 | 2:5(m 7) |
| TS3 | 3:4(m 8) |
| TS4 | 4:3(m 9) |
| TS5 | 5:2(m 10) |
The uplink and downlink timeslot ratio and the control character of table 2.UDSP position and scheduling are counted mapping table
Above m in table 1 and the table 2
1To m
10Represent the control character number, its concrete numerical value can further be confirmed with the bit number that takies through the concrete form of control signaling.
More than two examples be that DUSP is positioned at special time slot, have only the situation of a UDSP.If a plurality of time slot transfer points are arranged, the controlled symbolic number of this method still capable of using.
Step 302: the control character number that said definite control character number is configured to the said time slot that is used for dispatching.
Like this, the number that corresponds to actual needs of the control character number of transmission.
So far, this method embodiment has realized configuration control character number.
Visible by above embodiment; Be scheduled number of time slots and uplink and downlink timeslot ratio according to the descending time slot that is used to dispatch is corresponding are confirmed the control character number; Said definite control character number is configured to the control character number of the said descending time slot that is used for dispatching, and like this, the control character number of employing conforms to the symbolic number of actual needs; Guarantee the transmission of schedule information, and guarantee the reasonable resources utilization.
Below introduce an embodiment of the inking device of control character number of the present invention.Fig. 6 shows the block diagram of this device embodiment.This device comprises that the control character number confirms that unit (601) and control character count dispensing unit (602), wherein,
The control character number is confirmed unit (601), confirms the control character number according to be scheduled number of time slots and uplink and downlink timeslot ratio that the descending time slot that is used to dispatch is corresponding;
Control character is counted dispensing unit (602), confirms that with the control character number unit (601) links to each other, and is used for said control character number is confirmed that the definite control character number in unit (601) is configured to the control character number of the said time slot that is used to dispatch.
Wherein, when said control character number is confirmed unit (601) each descending time slot all is used to dispatch in subframe, according to correspondence be scheduled number of time slots and wherein the ratio of uplink and downlink timeslot confirm the number of control character in each descending time slot; When said control character number is confirmed unit (601) descending time slot is used to dispatch in subframe, confirm the number of control character in this descending time slot according to the ratio of uplink and downlink timeslot in the time slot that is scheduled of correspondence.
Situation about enumerating in concrete definite example and the preceding step 301 is similar, repeats no more at this.
So far be the embodiment of the inking device of control character number of the present invention.
Below introduce control character of the present invention and count the embodiment of update method.
The terminal can be given by broadcast announcement in the number of time slot transfer point and position, and generally in long period of time, fixes.Relation table by the definite control character number of above-mentioned steps 301 described methods can exist in network side and the terminal; Behind the number of knowing the time slot transfer point and position; Through looking into the table of said storage; Can obtain control character number in the descending time slot, the control character number that obtains is configured to the control character number in the descending time slot.Such mode does not need network side and terminal to carry out Signalling exchange, saves resource.
When scheduling mode, time slot transfer point number and the position of adopting when system changed, system need obtain the control character number of current needs and upgrades through looking into above-mentioned relation table.Fig. 7 shows the block diagram of this method embodiment.Like figure, may further comprise the steps:
Step 701: confirm different scheduling modes, need the corresponding relation of time slot scheduling number and uplink and downlink timeslot ratio and control character number.
Said different scheduling mode is that the number of the descending time slot that is used to dispatch in the subframe is different.
Step 702: the corresponding relation that storage is confirmed.
This corresponding relation can be stored in the network side, can also be stored in the terminal, and can be used as the stored in form of table, shown in for example above-mentioned table 1 and the table 2.
Step 703: based on the current scheduling mode, need time slot scheduling number and uplink and downlink timeslot ratio, confirm that through the inquiry stored relation base station sends the control character number that is adopted with the terminal reception.
Step 704: judge whether scheduling mode, time slot transfer point number and position change, if change step 705 over to; If, do not continue execution in step 704.
Step 705: after scheduling mode, time slot transfer point number and the position after changing known at base station and terminal, execution in step 703.
Like this, can be flexibly based on current scheduling mode, need time slot scheduling number and uplink and downlink timeslot ratio to confirm that send the base station and the terminal receives the control character number that is adopted.And this mode does not need network side and terminal to carry out Signalling exchange, saves resource.
Below introduce device embodiment of the present invention.Fig. 8 shows this device.
As shown in the figure, this device comprises that corresponding relation confirms unit 801, and correspondence relation storage 802 is confirmed control character counting unit 803, and judging unit 804 is known unit 805.
Corresponding relation is confirmed unit 801, is used for the corresponding relation of confirming different scheduling modes, needing time slot scheduling number and uplink and downlink timeslot ratio and control character number.
Confirm control character counting unit 803; Link to each other with correspondence relation storage 802; Be used for according to current scheduling mode, needs time slot scheduling number and uplink and downlink timeslot ratio, confirm that through stored relation in the inquiry correspondence relation storage 802 send the base station and/or the terminal receives the control character number that is adopted.
Judging unit 804 is used to judge whether current scheduling mode, time slot transfer point number and position change.
Know unit 805, link to each other with definite control character counting unit 803, be used to know scheduling mode, time slot transfer point number and position after changing, and the result that will obtain sends to definite control character counting unit 803 with judging unit 804.
Utilize apparatus of the present invention to realize that the method and abovementioned steps 701～705 described methods of configuration control character number are similar, repeat no more at this.
Claims (9)
1. the collocation method of a control character number is characterized in that, comprising:
Be scheduled number of time slots and uplink and downlink timeslot ratio based on the descending time slot that is used to dispatch is corresponding are confirmed the control character number; Concrete; When each descending time slot all is used to dispatch in the subframe; In each descending time slot the number of control character based on correspondence be scheduled number of time slots and wherein the ratio of uplink and downlink timeslot confirm; When a descending time slot was used to dispatch in the subframe, then the number of control character was confirmed based on the ratio of uplink and downlink timeslot in the time slot that is scheduled of correspondence in this descending time slot;
Said definite control character number is configured to the control character number of the said time slot that is used for dispatching.
2. the method for claim 1 is characterized in that, the definite of control character number realized by following mode in said each descending time slot:
Each descending time slot all is used for scheduling in subframe; And when descending time slot is positioned at after the descending pilot frequency time slot to the ascending time slot transfer point; If the time slot 1 in this subframe in time slot 6 these time slots of scheduling and next subframe; This time slot of other descending time slot scheduling and following closely ascending time slot in this subframe, then in each descending time slot the number of control character according to the be scheduled number of time slots and the ratio of uplink and downlink timeslot wherein of correspondence, definite by following mode:
Ascending time slot after time slot 1, confirms that the control character number of time slot 0 and time slot 2～time slot 5 is first number to the descending time slot transfer point, and the control character number of time slot 6 is second number;
After time slot 2, the control character number of confirming time slot 3～time slot 5 is first number to ascending time slot to the descending time slot transfer point, and time slot 0 control time slot is this time slot and time slot 2, confirms that the time slot 0 and the control character number of time slot 6 are second number;
Ascending time slot to the descending time slot transfer point after time slot 3; The control character number of confirming time slot 4～time slot 5 is first number; The control character number of time slot 6 is second number, and time slot 0 control time slot is this time slot, time slot 2 and time slot 3, and the control character number of confirming time slot 0 is the 3rd number;
Ascending time slot to the descending time slot transfer point after time slot 4; The control character number of confirming time slot 5 these time slots of control is first number; The control character number of time slot 6 is second number, and time slot 0 control time slot is this time slot and time slot 2～time slot 4, and the control character number of confirming time slot 0 is the 4th number;
After time slot 5, the control character number of confirming time slot 6 is second number to ascending time slot to the descending time slot transfer point, and time slot 0 control time slot is this time slot and time slot 2～time slot 5, and the control character number of confirming time slot 0 is the 5th number.
3. the method for claim 1 is characterized in that, the definite of control character number realized by following mode in the said descending time slot:
Time slot 0 is used for scheduling in subframe, and the number of control character is confirmed by following mode according to the ratio of uplink and downlink timeslot in the time slot that is scheduled of correspondence in this time slot:
When ascending time slot was positioned at after the time slot 1 to the descending time slot transfer point, time slot 1 be an ascending time slot, and other 6 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 1:6, confirmed that the control character number of time slot 0 needs is the 6th number;
When ascending time slot was positioned at after the time slot 2 to the descending time slot transfer point, time slot 1～time slot 2 be an ascending time slot, and other 5 time slots are descending time slot, and uplink and downlink timeslot ratio is 2:5, confirmed that the control character number of time slot 0 needs is the 7th number;
When ascending time slot was positioned at after the time slot 3 to the descending time slot transfer point, time slot 1～time slot 3 be an ascending time slot, and other 4 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 3:4, confirmed that the control character number of time slot 0 needs is the 8th number;
When ascending time slot was positioned at after the time slot 4 to the descending time slot transfer point, time slot 1～time slot 4 be an ascending time slot, and other 3 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 4:3, confirmed that the control character number of time slot 0 needs is the 9th number;
When ascending time slot was positioned at after the time slot 5 to the descending time slot transfer point, time slot 1～time slot 5 be an ascending time slot, and other 2 time slots are descending time slot, and the ratio of ascending time slot and descending time slot is 5:2, confirmed that the control character number of time slot 0 needs is the tenth number.
4. method according to claim 2 is characterized in that, said first number to the, five numbers according to the form of control signaling with take bit number and confirm.
5. method according to claim 3 is characterized in that, said the 6th number to the ten numbers according to the form of control signaling with take bit number and confirm.
6. the inking device of a control character number is characterized in that, comprises that the control character number confirms that unit (601) and control character count dispensing unit (602), wherein,
Control character is counted determining unit (601); Be scheduled number of time slots and uplink and downlink timeslot ratio according to the descending time slot that is used to dispatch is corresponding are confirmed the control character number; Concrete; When said control character is counted determining unit (601) each descending time slot all is used to dispatch in subframe; According to the number of time slots and when wherein the ratio of uplink and downlink timeslot is confirmed the number of control character in each descending time slot, said control character to count determining unit (601) descending time slot is used to dispatch in subframe of being scheduled of correspondence, confirm the number of control character in this descending time slot according to the ratio of uplink and downlink timeslot in the time slot that is scheduled of correspondence;
Control character is counted dispensing unit (602), is used for said control character number is confirmed that the definite control character number in unit (601) is configured to the control character number of the said time slot that is used to dispatch.
7. the update method of a control character number is characterized in that, comprising:
The descending time slot of confirming to be used to dispatch under the situation of different numbers, it is corresponding the be scheduled number of time slots and the corresponding relation of uplink and downlink timeslot ratio and control character number wherein;
The corresponding relation that storage is confirmed;
Reach wherein uplink and downlink timeslot ratio based on current descending time slot number that is used to dispatch and the corresponding number of time slots that is scheduled, confirm the control character number that adopts through the inquiry stored relation;
When one of them changes when the descending time slot number that is used to dispatch, time slot transfer point number and position; Reach wherein uplink and downlink timeslot ratio according to descending time slot number that is used to dispatch after changing and the corresponding number of time slots that is scheduled, the inquiry stored relation is confirmed the control character number of employing.
8. update method as claimed in claim 7 is characterized in that, said corresponding relation is stored in the network side and/or in the terminal.
9. a control character is counted updating device, it is characterized in that, this device comprises that corresponding relation confirms unit (801), and correspondence relation storage (802) is confirmed control character counting unit (803), and judging unit (804) is known unit (805), wherein,
Corresponding relation is confirmed unit (801), the descending time slot of confirming to be used to dispatch under the situation of different numbers, it is corresponding the be scheduled number of time slots and the corresponding relation of uplink and downlink timeslot ratio and control character number wherein;
Correspondence relation storage (802) is used for the corresponding relation of confirming is stored in network side and/or terminal;
Confirm control character counting unit (803); Be used for based on the current scheduling mode, need time slot scheduling number and uplink and downlink timeslot ratio, confirm that through inquiry correspondence relation storage (802) stored relation send the base station and/or the terminal receives the control character number that is adopted;
Judging unit (804) is used to judge whether current scheduling mode, time slot transfer point number and/or position change;
Know unit (805); Be used for when judging unit (804) judges that current scheduling mode, time slot transfer point number and/or position change; Know scheduling mode, time slot transfer point number and position after changing, and the result that will obtain sends to definite control character counting unit (803).
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| CN 200710098419 CN101291172B (en) | 2007-04-17 | 2007-04-17 | Method and apparatus for controlling configuration of signed number, updating method and apparatus thereof |
| PCT/CN2008/070740 WO2008125065A1 (en) | 2007-04-17 | 2008-04-17 | Configuration method and device of control symbol number and update method and device |
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| CN107689853A (en) * | 2016-08-05 | 2018-02-13 | 北京信威通信技术股份有限公司 | A kind of method and device of the up transmission in arrowband |
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| CN1751469A (en) * | 2003-02-17 | 2006-03-22 | 艾利森电话股份有限公司 | Method and system of channel adaptation |
| CN1909537A (en) * | 2005-08-02 | 2007-02-07 | 松下电器产业株式会社 | Method for increasing capacity of multiple districts crossing frequency division multiple address-time division multiple address system |
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| CN1258894C (en) * | 2003-06-18 | 2006-06-07 | 清华大学 | Resource scheduling method utilized in operations sensitive to downward error in OFDM |
| KR20050083085A (en) * | 2004-02-21 | 2005-08-25 | 삼성전자주식회사 | Apparatus and method for scheduling traffic data in mobile communication system using the orthogonal frequency division multiple access |
| EP1730863A4 (en) * | 2004-03-31 | 2012-08-08 | Nortel Networks Ltd | Adaptive scheduling of voice traffic in a multi-carrier communication environment |
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| CN1751469A (en) * | 2003-02-17 | 2006-03-22 | 艾利森电话股份有限公司 | Method and system of channel adaptation |
| CN1909537A (en) * | 2005-08-02 | 2007-02-07 | 松下电器产业株式会社 | Method for increasing capacity of multiple districts crossing frequency division multiple address-time division multiple address system |
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