CN101925114A - Device and method for realizing control and timing of HSUPA uplink/downlink frames/subframes - Google Patents
Device and method for realizing control and timing of HSUPA uplink/downlink frames/subframes Download PDFInfo
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Abstract
The invention relates to a device and a method for realizing control and timing of HSUPA uplink/downlink frames/subframes. The device comprises an uplink frame/subframe counter, a downlink frame/subframe counter, an operation module and a setting module. The method comprises that: when the HSUPA service is activated, the uplink counter is enabled to count the HSUPA uplink frames/subframes; a count value of E-DPDCH frames/subframes acted by a first frame/subframe of a to-be-enabled HSUPA downlink channel is calculated and an initial value of the downlink counter of the downlink channel is set to be the count value; and the channel is enabled, and the downlink frames/subframes corresponding to the current count value of the downlink counter act on the uplink frames/subframes with the same count value. The device and the method reduce the calculation frequency and error probability of the control and timing of the HSUPA uplink/downlink frames/subframes.
Description
Technical field
The present invention relates to WCDMA (Wideband Code-Division Multiple Access, Wideband Code Division Multiple Access (WCDMA) inserts) wireless communication field, be specifically related to a kind of realization HSUPA (High Speed UplinkPacket Access, High Speed Uplink Packet inserts) uplink/downlink frames/subframes control device and method regularly.
Background technology
In the WCDMA high speed uplink packet access procedure, UE (User Equipment, subscriber equipment) needs to determine this downlink frame/subframe with which uplink frame/subframe is associated after receiving HSUPA downlink frame/subframe loaded information.UE is according to the HSUPA downlink frame/subframe loaded information that receives and the uplink frame/subframe numbers of effect thereof, determine whether that transmission block to certain HARQ (Hybrid AutomaticRepeat reQuest, hybrid automatic repeat requests) process retransmits and how this HARQ process carried out the power adjustment.
3GPP (3rd Generation Partnership Project, third generation partner program) among the agreement R6 about HSUPA up-downgoing control being described as follows regularly described (referring to 6B.3 in 25214): 1,10ms E-DCH (Enhanced Dedicated Channel, strengthen dedicated channel) TTI (Transmission Time Interval, Transmission Time Interval)
■ E-HICH (E-DCH Hybrid ARQ In dicator Channel, E-DCH HARQ indicating channel)
Activate the sub-district for each HSUPA, SFN (System Frame Number) is E-DPDCH (the E-DCH Dedicated Physical Data Channel of i-3 for the E-HICH frame of i and SFN, the E-DCH Dedicated Physical Data Channel) frame is associated, and (SFN is the ACK (Acknowledge of the E-HICH frame carrying of i, confirm)/NACK (Not Acknowledge, non-affirmation) be to be the feedback whether the E-DPDCH frame of i-3 is correctly received to SFN), also be that the SFN frame number is that the E-HICH frame of i acts on the E-DPDCH frame that the SFN frame number is i+1.
■ E-RGCH (E-DCH Relative Grant Channel, E-DCH relative authorization channel)
Activate the sub-district for each HSUPA that belongs to serving RLS (service Radio Link collection), SFN is that the E-RGCH frame of i acts on the E-DPDCH frame that SFN is i+1.
Activate the sub-district for each HSUPA that does not belong to serving RLS, SFN is that the E-RGCH frame of i acts on the E-DPDCH frame that SFN is i+1+s.Wherein,
■ E-AGCH (E-DCH Absolute Grant Channel, E-DCH absolute grant channel)
For the HSUPA Serving cell, SFN is that the E-AGCH frame of i acts on the E-DPDCH frame that SFN is i+1+s.Wherein,
2、2ms?E-DCH?TTI
■E-HICH
Activate the sub-district for each HSUPA, SFN is that i, subframe numbers are that E-HICH subframe and the SFN of j is that i-s, subframe numbers are that the E-DPDCH subframe of t is associated (SFN is that i, subframe numbers are that the ACK/NACK of the E-HICH subframe carrying of j is to be that i-s, subframe numbers are the feedback whether the E-DPDCH subframe of t is correctly received to SFN), also is that SFN is that i, subframe numbers are that to act on SFN be that i+1, subframe numbers are the E-DPDCH subframe of j for the E-HICH subframe of j.Wherein,
t＝(j+2)mod?5
■E-RGCH
Activate the sub-district for each HSUPA that belongs to serving RLS, SFN is that i, subframe numbers are that to act on SFN be that i+1, subframe numbers are the E-DPDCH subframe of j for the E-RGCH subframe of j.
Activate the sub-district for each HSUPA that does not belong to serving RLS, SFN is that to act on SFN be that i+1+s, subframe numbers are the E-DPDCH subframe of t to the E-RGCH frame of i.Wherein,
For the HSUPA Serving cell, SFN is that i, subframe numbers are that to act on SFN be that i+s, subframe numbers are the E-DPDCH frame of t for the E-AGCH frame of j.Wherein,
Existing solution HSUPA up-downgoing is controlled scheme regularly normally: described according to agreement, carry out the HSUPA up-downgoing regularly according to SFN frame/subframe numbers, promptly every frame/subframe of each down channel of each sub-district all will be obtained a SFN and carry out once related computing.Like this, not only efficient is lower, and because multipath may cause UE side SFN counting in frame boundaries generation saltus step, can increase error probability so frequently obtain each cell SFN.
Summary of the invention
Technical problem to be solved by this invention is, a kind of HSUPA uplink/downlink frames/subframes control implement device and method regularly is provided, the present invention has reduced UE at HSUPA uplink/downlink frames/subframes control calculating frequency and error probability regularly, thereby improves the WCDMA HSUPA of system uplink/downlink frames/subframes control operation efficiency and accuracy regularly.
The invention discloses a kind of High Speed Uplink Packet that realizes and insert HSUPA uplink/downlink frames/subframes control device regularly, be positioned at user equipment (UE), described device comprises uplink frame/sub-frame count device, downlink frame/sub-frame count device, computing module and module is set, and is wherein, described
Uplink frame/sub-frame count device, its counting initial value is 0, is used for the HSUPA up channel is carried out frame/sub-frame count;
Downlink frame/sub-frame count device is used for the HSUPA down channel of HSUPA activation sub-district is carried out frame/sub-frame count;
Computing module is used to calculate the count value of E-DPDCH frame/subframe of the first frame/subframe effect of HSUPA down channel;
The counting initial value that module is used for being provided with according to the count value that calculates of described computing module corresponding downlink frame/sub-frame count device is set.
System-frame frame head when described computing module calculates E-DPDCH frame/subframe frame head that described count value specifically comprises the first frame/subframe effect of calculating the HSUPA down channel and activates with respect to affiliated subdistrict apart from edch_offset; And the connection frame time cfn_z of the correspondence of the E-DPDCH frame/subframe of the first frame/subframe effect of calculating HSUPA down channel, basis then.
The present invention also discloses a kind of HSUPA of realization uplink/downlink frames/subframes control method regularly on the basis of said apparatus,
When the HSUPA business is activated, enables thus up counter and carry out HSUPA uplink frame/sub-frame count;
Before enabling the HSUPA down channel of HSUPA activation sub-district, calculate the count value of E-DPDCH frame/subframe of the first frame/subframe effect of described channel, and the initial value of the counter of described down channel is arranged to described count value, after described channel was enabled, the downlink frame/subframe of described counter current count value correspondence acted on the uplink frame/subframe with same count value.
Before calculating described count value, also carry out following steps:
Step a: the successive frame time cfn_y of the frame head correspondence of the system-frame when obtaining described channel affiliated subdistrict and being activated;
Step b: the frame head of the system-frame when the E-DPDCH frame/subframe frame head that calculates the first frame/subframe effect of described channel activates with respect to its affiliated subdistrict apart from edch_offset;
Step c: the successive frame time cfn_z of frame/subframe correspondence of E-DPDCH that calculates the first frame/subframe effect of described channel.
Described step b calculates by following formula:
The time difference of the E-DPDCH frame head/subframe head of edch_offset=down channel vertical shift mod 15+ down channel frame head/subframe head and its effect.
The frame number cfn_z.frame of described cfn_z and chip count cfn_z.chip and calculate by following formula:
cfn_z.chip＝(cfn_y.chip+edch_offset)mod?CHIPS_PER_FRAME
Wherein, cfn_y.frame is the frame number of cfn_y; Cfn_y.chip is the chip number of cfn_y; CHIPS_PER_FRAME is the chip number of every frame.
When if the Transmission Time Interval TTI of described channel is 10ms, then described count value is calculated by following formula:
Count value=(((cfn_z.frame-cfn_x.frame) mod 256)
*CHIPS_PER_FRAME
+cfn_z.chip-cfn_x.chip)/CHIPS_PER_FRAME
Wherein, cfn_z.frame is the frame number of cfn_z, and cfn_z.chip is the chip number of cfn_z; Cfn_x is the successive frame time of thus up counter when beginning to count; Cfn_x.frame is the frame number of cfn_x, and cfn_x.chip is the chip number of cfn_x; CHIPS_PER_FRAME is the chip number of every frame.
If the TTI of described channel is 2ms, then described count value is calculated by following formula:
Count value=(((cfn_z.frame-cfn_x.frame) mod 256)
*CHIPS_PER_FRAME
+cfn_z.chip-cfn_x.chip)/CHIPS_PER_SUBFRAME
Wherein, cfn_z.frame is the frame number of cfn_z, and cfn_z.chip is the chip number of cfn_z; Cfn_x.frame is the frame number of cfn_x, and cfn_x.chip is the chip number of cfn_x; CHIPS_PER_FRAME is the chip number of every frame;
CHIPS_PER_SUBFRAME is the chip number of every frame/subframe.
The count range of described thus up counter when TTI is 10ms is 0～255, and the counting step-length is 1; Count range when TTI is 2ms is 0～256 * 5-1, and the counting step-length is 1;
If described HSUPA down channel affiliated subdistrict belongs to service Radio Link collection, then the count range of its counter when TTI is 10ms is 0～255, and the counting step-length is 1; Count range when TTI is 2ms is 0～256 * 5-1, and the counting step-length is 1;
If described HSUPA down channel affiliated subdistrict does not belong to service Radio Link collection, then the count range of its counter when TTI is 10ms is 0～255, and the counting step-length is 1; When TTI was 2ms, if channel is E-RGCH, then count range was 0～256 * 5-5, and the counting step-length is 5; If channel is E-HICH, then count range is 0～256 * 5-1, and the counting step-length is 1.
Adopt the method for the invention and device to carry out the control of HSUPA uplink/downlink frames/subframes regularly, can when enabling, just finish certain HSUPA cell channel the related computing of uplink/downlink frames/subframes of each channel, thereby the raising operation efficiency reduces simultaneously because of frequently obtaining the cell SFN probability of errors.
Description of drawings
Fig. 1 is the structural representation of device of the present invention;
Fig. 2 is the schematic flow sheet of the method for the invention;
Fig. 3 is in the method for the invention, and each parameter is 10ms at TTI, and down channel belongs to the schematic diagram under Serving cell (serving cell) situation;
Fig. 4 is in the method for the invention, and each parameter is 2ms at TTI, and down channel belongs to the schematic diagram under the serving cell situation.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the present invention done describing in further detail.
As shown in Figure 1, be the structural representation of device of the present invention, in the present embodiment, suppose to have n down channel, described device comprises uplink frame/sub-frame count device, downlink frame/sub-frame count device, computing module and module is set,
Uplink frame/sub-frame count device is used for up channel is carried out frame/sub-frame count, and its counting initial value is 0;
Downlink frame/sub-frame count device is used for the down channel that activates the sub-district is carried out frame/sub-frame count;
System-frame frame head when E-DPDCH frame/subframe frame head that computing module is used to calculate the first frame/subframe effect of down channel activates with respect to affiliated subdistrict apart from edch_offset; The time cfn_z of the connection frame of the correspondence of the E-DPDCH frame/subframe of the first frame/subframe effect of calculating down channel; And the count value of the E-DPDCH frame/subframe of the first frame/subframe effect of calculating down channel;
The counting initial value that module is used for being provided with according to the count value that calculates of computing module corresponding downlink frame/sub-frame count device is set.
Uplink frame/the count range of sub-frame count device when TTI is 10ms is 0～255, and the counting step-length is 1; Count range when TTI is 2ms is 0～256 * 5-1, and the counting step-length is 1;
The count range of downlink frame/sub-frame count device and counting step-length are as shown in table 1:
Table 1
As shown in Figure 2, be the flow chart of the method for the invention, to be the described method of Fig. 2 each parameter when TTI is 10ms belong to schematic diagram under the serving cell situation at down channel to Fig. 3; To be the described method of Fig. 2 each parameter when TTI is 2ms belong to schematic diagram under the serving cell situation at down channel to Fig. 4; In the present embodiment, no matter TTI is 10ms or 2ms, supposes that all thus up counter is that the frame of N begins counting from CFN, and then its corresponding CFN time is cfn_x, the frame number cfn_x.frame=N of cfn_x correspondence, and the chip of cfn_x correspondence counts cfn_x.chip=1024; Sub-district under the down channel that need enable is that the frame of M is activated at SFN, comprises the steps:
When step 201:HSUPA business is activated, enables thus up counter and carry out uplink frame/sub-frame count;
Step 202: the CFN time cfn_y of frame head correspondence that obtains described SFN and be the frame of M;
Step 203: calculate described channel first frame/subframe effect E-DPDCH frame/subframe frame head with respect to described M frame frame head apart from edch_offset, computing formula is as follows:
The time difference of the E-DPDCH frame head/subframe head of edch_offset=down channel vertical shift mod 15+ down channel frame head/subframe head and its effect
Wherein, the time difference of the E-DPDCH frame head/subframe head of down channel vertical shift and down channel frame head/subframe head and its effect can draw by question blank 2, table 3, downlink frame skew and up-downgoing time difference table when table 2 is 10ms for TTI, downlink frame skew and up-downgoing time difference table when table 3 is 2ms for TTI, table 2, table 3 all calculate according to the described sequential relationship of 3GPP agreement R6, wherein, τ
DPCHBe descending DPCH (Dedicated Physical Channel, DPCH) vertical shift, τ
E-RGCH, τ
E-HICHAnd τ
E-AGCHBeing respectively E-RGCH, E-HICH and E-AGCH vertical shift, all is unit with slot; d
E-RGCHExpression E-RGCH frame head/subframe head is to the time difference of E-DPDCH frame head/subframe head, d
E-HICHExpression E-HICH frame head/subframe head is to the time difference of E-DPDCH frame head/subframe head, d
E-AGCHExpression E-AGCH frame head/subframe head is to the time difference of E-DPDCH frame head/subframe head.
Step 204: calculate the CFN time cfn_z of frame/subframe of E-DPDCH of the first frame/subframe effect of described channel, the frame number cfn_z.frame of cfn_z and chip count cfn_z.chip and calculate by following formula:
cfn_z.chip＝(cfn_y.chip+edch_offset)mod?CHIPS_PER_FRAME
Wherein, cfn_y.frame is the frame number of cfn_y; Cfn_y.chip is the chip number of cfn_y; CHIPS_PER_FRAME is the chip number of every frame.
Step 205: the count value of E-DPDCH frame/subframe of calculating the first frame/subframe effect of described channel;
When if the Transmission Time Interval TTI of described channel is 10ms, then described count value is calculated by following formula:
Count value=(((cfn_z.frame-cfn_x.frame) mod 256)
*CHIPS_PER_FRAME
+cfn_z.chip-cfn_x.chip)/CHIPS_PER_FRAME
Wherein, cfn_z.frame is the frame number of cfn_z, and cfn_z.chip is the chip number of cfn_z; Cfn_x.frame is the frame number of cfn_x, and cfn_x.chip is the chip number of cfn_x; CHIPS_PER_FRAME is the chip number of every frame;
If the TTI of described channel is 2ms, then described count value is calculated by following formula:
Count value=(((cfn_z.frame-cfn_x.frame) mod 256)
*CHIPS_PER_FRAME
+cfn_z.chip-cfn_x.chip)/CHIPS_PER_SUBFRAME
Wherein, cfn_z.frame is the frame number of cfn_z, and cfn_z.chip is the chip number of cfn_z; Cfn_x.frame is the frame number of cfn_x, and cfn_x.chip is the chip number of cfn_x; CHIPS_PER_FRAME is the chip number of every frame;
CHIPS_PER_SUBFRAME is the chip number of every frame/subframe.
Step 206: the initial value of the counter of described channel is arranged to described count value;
Step 207: enable described channel, its counter begins downlink frame/sub-frame count, and the frame/subframe of current counting acts on the frame/subframe of the current counting of described thus up counter at this moment.
By Fig. 3,4, can understand the implication of the parameter in the method for the invention more intuitively.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. realize that High Speed Uplink Packet inserts HSUPA uplink/downlink frames/subframes control device regularly for one kind, be positioned at user equipment (UE), it is characterized in that, described device comprises uplink frame/sub-frame count device, downlink frame/sub-frame count device, computing module and module is set, wherein, described
Uplink frame/sub-frame count device, its counting initial value is 0, is used for the HSUPA up channel is carried out frame/sub-frame count;
Downlink frame/sub-frame count device is used for the HSUPA down channel of HSUPA activation sub-district is carried out frame/sub-frame count;
Computing module is used to calculate the count value of enhancing dedicated channel Dedicated Physical Data Channel E-DPDCH frame/subframe of the first frame/subframe effect of HSUPA down channel;
The counting initial value that module is used for being provided with according to the count value that calculates of described computing module corresponding downlink frame/sub-frame count device is set.
2. realization HSUPA uplink/downlink frames/subframes control as claimed in claim 1 device regularly is characterized in that,
System-frame frame head when described computing module calculates E-DPDCH frame/subframe frame head that described count value specifically comprises the first frame/subframe effect of calculating the HSUPA down channel and activates with respect to affiliated subdistrict apart from edch_offset; And the connection frame time cfn_z of the correspondence of the E-DPDCH frame/subframe of the first frame/subframe effect of calculating HSUPA down channel.
3. realize HSUPA uplink/downlink frames/subframes control method regularly for one kind, it is characterized in that,
When the HSUPA business is activated, enables thus up counter and carry out HSUPA uplink frame/sub-frame count;
Before enabling the HSUPA down channel of HSUPA activation sub-district, calculate the count value of E-DPDCH frame/subframe of the first frame/subframe effect of described channel, and the initial value of the counter of described down channel is arranged to described count value, after described channel was enabled, the downlink frame/subframe of described counter current count value correspondence acted on the uplink frame/subframe with same count value.
4. realization HSUPA uplink/downlink frames/subframes control as claimed in claim 3 method regularly is characterized in that, before calculating described count value, also carries out following steps:
Step a: the successive frame time cfn_y of the frame head correspondence of the system-frame when obtaining described channel affiliated subdistrict and being activated;
Step b: the frame head of the system-frame when the E-DPDCH frame/subframe frame head that calculates the first frame/subframe effect of described channel activates with respect to its affiliated subdistrict apart from edch_offset;
Step c: the successive frame time cfn_z of frame/subframe correspondence of E-DPDCH that calculates the first frame/subframe effect of described channel.
5. realization HSUPA uplink/downlink frames/subframes control as claimed in claim 4 method regularly is characterized in that described step b calculates by following formula:
The time difference of the E-DPDCH frame head/subframe head of edch_offset=down channel vertical shift mod 15+ down channel frame head/subframe head and its effect.
6. realization HSUPA uplink/downlink frames/subframes control as claimed in claim 4 method regularly is characterized in that among the described step c, the frame number cfn_z.frame of described cfn_z and chip count cfn_z.chip and calculate by following formula:
cfn_z.chip＝(cfn_y.chip+edch_offset)mod?CHIPS_PER_FRAME
Wherein, cfn_y.frame is the frame number of cfn_y; Cfn_y.chip is the chip number of cfn_y; CHIPS_PER_FRAME is the chip number of every frame.
7. as claim 3,4,5 or 6 described realization HSUPA uplink/downlink frames/subframes controls methods regularly, it is characterized in that when if the Transmission Time Interval TTI of described channel is 10ms, then described count value is calculated by following formula:
Count value=(((cfn_z.frame-cfn_x.frame) mod 256)
*CHIPS_PER_FRAME
+ cfn_z.chip-cfn_x.chip)/CHIPS_PER_FRAME wherein, cfn_z.frame is the frame number of cfn_z, cfn_z.chip is the chip number of cfn_z; Cfn_x is the successive frame time of thus up counter when beginning to count; Cfn_x.frame is the frame number of cfn_x, and cfn_x.chip is the chip number of cfn_x; CHIPS_PER_FRAME is the chip number of every frame.
8. as claim 3,4,5 or 6 described realization HSUPA uplink/downlink frames/subframes controls method regularly, it is characterized in that if the TTI of described channel is 2ms, then described count value is calculated by following formula:
Count value=(((cfn_z.frame-cfn_x.frame) mod 256)
*CHIPS_PER_FRAME
+ cfn_z.chip-cfn_x.chip)/CHIPS_PER_SUBFRAME wherein, cfn_z.frame is the frame number of cfn_z, cfn_z.chip is the chip number of cfn_z; Cfn_x.frame is the frame number of cfn_x, and cfn_x.chip is the chip number of cfn_x; CHIPS_PER_FRAME is the chip number of every frame;
CHIPS_PER_SUBFRAME is the chip number of every frame/subframe.
9. realization HSUPA uplink/downlink frames/subframes control as claimed in claim 3 method regularly is characterized in that the count range of described thus up counter when TTI is 10ms is 0～255, and the counting step-length is 1; Count range when TTI is 2ms is 0～256 * 5-1, and the counting step-length is 1;
If described HSUPA down channel affiliated subdistrict belongs to service Radio Link collection, then the count range of its counter when TTI is 10ms is 0～255, and the counting step-length is 1; Count range when TTI is 2ms is 0～256 * 5-1, and the counting step-length is 1;
If described HSUPA down channel affiliated subdistrict does not belong to service Radio Link collection, then the count range of its counter when TTI is 10ms is 0～255, and the counting step-length is 1; When TTI was 2ms, if channel is for strengthening dedicated channel relative authorization channel E-RGCH, then count range was 0～256 * 5-5, and the counting step-length is 5; If channel is for strengthening the hybrid automatic repeat requests indicating channel E-HICH of dedicated channel, then count range is 0～256 * 5-1, and the counting step-length is 1.
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| CN104641712A (en) * | 2013-07-31 | 2015-05-20 | 华为技术有限公司 | Timing adjustment method, device and system |
| CN104641712B (en) * | 2013-07-31 | 2019-01-08 | 华为技术有限公司 | A kind of methods, devices and systems of timing adjustment |
| WO2015192592A1 (en) * | 2014-06-20 | 2015-12-23 | 深圳市中兴微电子技术有限公司 | Uplink channel transmission control method and apparatus, terminal and computer storage medium |
| CN105306164A (en) * | 2014-06-20 | 2016-02-03 | 深圳市中兴微电子技术有限公司 | Up-channel sending control method, up-channel sending control device and terminal |
| CN105306164B (en) * | 2014-06-20 | 2019-04-30 | 深圳市中兴微电子技术有限公司 | Up channel sending control method, device and terminal |
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| CN101925114B (en) | 2013-06-05 |
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