CN101925114B - 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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- CN101925114B CN101925114B CN 200910108007 CN200910108007A CN101925114B CN 101925114 B CN101925114 B CN 101925114B CN 200910108007 CN200910108007 CN 200910108007 CN 200910108007 A CN200910108007 A CN 200910108007A CN 101925114 B CN101925114 B CN 101925114B
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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, the Wideband Code Division Multiple Access (WCDMA) access) wireless communication field, be specifically related to a kind of HSUPA of realization (High Speed UplinkPacket Access, High Speed Uplink Packet access) uplink/downlink frames/subframes and control device and method regularly.
Background technology
In 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 the information that receives HSUPA downlink frame/subframe carrying.UE is according to the HSUPA downlink frame that the receives/information of subframe carrying and the uplink frame/subframe numbers of effect thereof, determine whether the transmission block of certain HARQ (Hybrid AutomaticRepeat reQuest, hybrid HARQ) process is retransmitted and how this HARQ process carried out the power adjustment.
Control regularly be described as follows described (referring to 6B.3 in 25214) about the HSUPA up-downgoing in 3GPP (3rd Generation Partnership Project, third generation partner program) agreement R6:
1,10ms E-DCH (Enhanced Dedicated Channel strengthens dedicated channel) TTI (Transmission Time Interval, Transmission Time Interval)
■ E-HICH (E-DCH Hybrid ARQ Indicator Channel, E-DCH HARQ indicating channel)
For each HSUPA activation cell, 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-confirmation) be the feedback whether the E-DPDCH frame that SFN is i-3 is correctly received), be also 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)
For each HSUPA activation cell 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.
Do not belong to the HSUPA activation cell of serving RLS for each, 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
For each HSUPA activation cell, 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), is also 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,
■E-RGCH
Belong to the HSUPA activation cell of serving RLS for each, 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.
Do not belong to the HSUPA activation cell of serving RLS for each, 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, namely every frame/subframe of each down channel of each residential quarter 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 therefore frequently obtain each cell SFN.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of HSUPA uplink/downlink frames/subframes to control implement device and method regularly, the present invention has reduced UE and has controlled calculating frequency and error probability regularly at the HSUPA uplink/downlink frames/subframes, controls operation efficiency and accuracy regularly thereby improve the WCDMA HSUPA of system uplink/downlink frames/subframes.
The invention discloses a kind of High Speed Uplink Packet access HSUPA uplink/downlink frames/subframes control device regularly of realizing, 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 cell is carried out frame/sub-frame count;
Computing module is for the count value of the E-DPDCH frame/subframe of the first frame that calculates the HSUPA down channel/subframe effect;
The counting initial value that module is used for arranging according to the count value that calculates of described computing module corresponding downlink frame/sub-frame count device is set.
Described computing module calculate the E-DPDCH frame that described count value specifically comprises the first frame of calculating the HSUPA down channel/subframe effect/when the subframe frame head activates with respect to affiliated subdistrict the system-frame frame head apart from edch_offset; And the connection frame time cfn_z of the correspondence of the E-DPDCH frame/subframe of the first frame of calculating HSUPA down channel/subframe effect, then basis.
The present invention also discloses a kind of HSUPA of realization uplink/downlink frames/subframes and has controlled 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 cell, calculate the count value of the E-DPDCH frame/subframe of the first frame of described channel/subframe effect, and the initial value of the counter of described down channel is arranged to described count value, after described channel was enabled, downlink frame/subframe corresponding to described counter current count value 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 corresponding to frame head of the system-frame when obtaining described channel affiliated subdistrict and being activated;
Step b: calculate the E-DPDCH frame of the first frame of described channel/subframe effect/when the subframe frame head activates with respect to its affiliated subdistrict system-frame frame head apart from edch_offset;
Step c: successive frame time cfn_z corresponding to frame/subframe of the E-DPDCH of the first frame of the described channel of calculating/subframe effect.
Described step b calculates by following formula:
The time difference of the E-DPDCH frame head of edch_offset=down channel vertical shift mod 15+ down channel frame head/subframe head and its effect/subframe head.
The frame number cfn_z.frame of described cfn_z and chip count cfn_z.chip and calculate by following formula:
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, 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 cfnz.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 cgn_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, 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, 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, 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, count range was 0～256 * 5-5, and the counting step-length is 5; If channel is E-HICH, count range is 0～256 * 5-1, and the counting step-length is 1.
Adopting the method for the invention and device to carry out the HSUPA uplink/downlink frames/subframes controls regularly, can when enabling, just complete certain HSUPA cell channel the related computing of uplink/downlink frames/subframes of each channel, thereby the raising operation efficiency reduces the probability of makeing mistakes because frequently obtaining cell SFN simultaneously.
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 in 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 in serving cell situation.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is described 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 of activation cell is carried out frame/sub-frame count;
Computing module be used for to calculate the E-DPDCH frame of the first frame of down channel/subframe effect/when the subframe frame head activates with respect to affiliated subdistrict the system-frame frame head 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 of calculating down channel/subframe effect; And the count value of the E-DPDCH frame/subframe of the first frame of calculating down channel/subframe effect;
The counting initial value that module is used for arranging 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 in 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 in serving cell situation at down channel to Fig. 4; In the present embodiment, no matter TTI is 10ms or 2ms, supposes that all the frame that thus up counter is N from CFN begins counting, and its corresponding CFN time is cfn_x, the frame number cfn_x.frame=N that cfn_x is corresponding, and the chip that cfn_x is corresponding counts cfn_x.chip=1024; The frame that residential quarter under the down channel that need to enable is M at SFN is activated, and comprises the steps:
When step 201:HSUPA business is activated, enables thus up counter and carry out uplink frame/sub-frame count;
Step 202: obtaining described SFN is the CFN time cfn_y corresponding to frame head of the frame of M;
Step 203: calculate the E-DPDCH frame of the first frame of described channel/subframe effect/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 of edch_offset=down channel vertical shift mod 15+ down channel frame head/subframe head and its effect/subframe head
Wherein, the time difference of the E-DPDCH frame head of down channel vertical shift and down channel frame head/subframe head and its effect/subframe head 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-AGCHBe respectively E-RGCH, E-HICH and E-AGCH vertical shift, all take slot as unit; 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: the CFN time cfn_z of frame/subframe of the E-DPDCH of the first frame of the described channel of calculating/subframe effect, the frame number cfn_z.frame of cfn_z and chip count cfn_z.chip and calculate by following formula:
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 the E-DPDCH frame/subframe of the first frame of the described channel of calculating/subframe effect;
When if the Transmission Time Interval TTI of described channel is 10ms, 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, 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 more intuitively the implication of the parameter in the method for the invention.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. realize High Speed Uplink Packet access 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 cell is carried out frame/sub-frame count;
Computing module is for the count value of the enhancing dedicated channel Dedicated Physical Data Channel E-DPDCH frame/subframe of the first frame that calculates the HSUPA down channel/subframe effect;
The counting initial value that module is used for arranging according to the count value that calculates of described computing module corresponding downlink frame/sub-frame count device is set;
Described computing module calculate the E-DPDCH frame that described count value specifically comprises the first frame of calculating the HSUPA down channel/subframe effect/when the subframe frame head activates with respect to affiliated subdistrict the system-frame frame head apart from edch_offset; And the successive frame time cfn_z of the correspondence of the E-DPDCH frame/subframe of the first frame of calculating HSUPA down channel/subframe effect.
2. 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 cell, calculate the count value of the E-DPDCH frame/subframe of the first frame of described channel/subframe effect, and the initial value of the counter of described down channel is arranged to described count value, after described channel was enabled, downlink frame/subframe corresponding to described counter current count value 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 corresponding to frame head of the system-frame when obtaining described channel affiliated subdistrict and being activated;
Step b: calculate the E-DPDCH frame of the first frame of described channel/subframe effect/when the subframe frame head activates with respect to its affiliated subdistrict system-frame frame head apart from edch_offset;
Step c: successive frame time cfn_z corresponding to frame/subframe of the E-DPDCH of the first frame of the described channel of calculating/subframe effect.
3. the HSUPA uplink/downlink frames/subframes control method regularly that realizes as claimed in claim 2, is characterized in that, described step b calculates by following formula:
The time difference of the E-DPDCH frame head of edch_offset=down channel vertical shift mod 15+ down channel frame head/subframe head and its effect/subframe head.
4. the HSUPA uplink/downlink frames/subframes control method regularly that realizes as claimed in claim 2, is characterized in that, in 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.
5. the HSUPA uplink/downlink frames/subframes control method regularly that realizes as described in claim 2 or 4, is characterized in that, if when the Transmission Time Interval TTI of described channel is 10ms, 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.
6. the HSUPA uplink/downlink frames/subframes control method regularly that realizes as described in claim 2 or 4, is characterized in that, if the TTI of described channel is 2ms, 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 subframe.
7. the HSUPA uplink/downlink frames/subframes control method regularly that realizes as claimed in claim 2, 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, 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, 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, count range was 0～256 * 5-5, and the counting step-length is 5; If channel is for strengthening the hybrid HARQ indicating channel of dedicated channel E-HICH, count range is 0～256 * 5-1, and the counting step-length is 1.
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| WO2015013934A1 (en) * | 2013-07-31 | 2015-02-05 | 华为技术有限公司 | Timing adjustment method, device and system |
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| WO2006086359A2 (en) * | 2005-02-09 | 2006-08-17 | Interdigital Technology Corporation | Method and system for recognizing radio link failures associated with hsupa and hsdpa channels |
| CN1870787A (en) * | 2006-07-07 | 2006-11-29 | 华为技术有限公司 | Uplink dispatch method controlled by base station |
| CN101395872A (en) * | 2006-03-07 | 2009-03-25 | 松下电器产业株式会社 | Overhead reduction of uplink control signaling in a mobile communication system |
| CN101400127A (en) * | 2007-09-26 | 2009-04-01 | 大唐移动通信设备有限公司 | Method and system implementing scheduling measurement |
| WO2009051420A2 (en) * | 2007-10-17 | 2009-04-23 | Lg Electronics Inc. | Method of providing circuit switched (cs) service using high-speed downlink packet access (hsdpa) or high-speed uplink packet access (hsupa) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006086359A2 (en) * | 2005-02-09 | 2006-08-17 | Interdigital Technology Corporation | Method and system for recognizing radio link failures associated with hsupa and hsdpa channels |
| CN101395872A (en) * | 2006-03-07 | 2009-03-25 | 松下电器产业株式会社 | Overhead reduction of uplink control signaling in a mobile communication system |
| CN1870787A (en) * | 2006-07-07 | 2006-11-29 | 华为技术有限公司 | Uplink dispatch method controlled by base station |
| CN101400127A (en) * | 2007-09-26 | 2009-04-01 | 大唐移动通信设备有限公司 | Method and system implementing scheduling measurement |
| WO2009051420A2 (en) * | 2007-10-17 | 2009-04-23 | Lg Electronics Inc. | Method of providing circuit switched (cs) service using high-speed downlink packet access (hsdpa) or high-speed uplink packet access (hsupa) |
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