CN104125627B - A kind of method and apparatus of downward special physical channel transmitting - Google Patents
A kind of method and apparatus of downward special physical channel transmitting Download PDFInfo
- Publication number
- CN104125627B CN104125627B CN201310142752.7A CN201310142752A CN104125627B CN 104125627 B CN104125627 B CN 104125627B CN 201310142752 A CN201310142752 A CN 201310142752A CN 104125627 B CN104125627 B CN 104125627B
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- Prior art keywords
- pilot
- physical channel
- data
- field
- special physical
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
Abstract
The present invention provides a kind of method and apparatus of downward special physical channel (DPCH) transmitting, this method comprises: judging whether to meet predetermined condition；As met, then the processing of the pilot tone of the discontinuous pilot field for sending downward special physical channel is carried out, the pilot tone of the pilot field of downward special physical channel is otherwise continuously transmitted.The power of base station can be saved through the invention.
Description
Technical field
The present invention relates to UMTS, (Universal Mobile Telecommunications System, General Mobile are logical
News system) field, more particularly to a kind of method and apparatus of downward special physical channel (DPCH) transmitting.
Background technique
Currently, the problem of power loss for how effectively reducing base station is always equipment vendor and operator's concern, therefore
3gpp agreement gives downlink CPC (continuous packet connectivity, continuous grouping connection) skill in R7 version
Art is saved the transmission power of base station side by the discontinuous transmitting of downlink, improves the capacity of system, still, the CPC of protocol definition
Function can only be in pure HSPA (High-Speed Packet Access, high-speed data packet access/access technique) Shi Caineng
It uses, i.e., downlink uses F-DPCH (Fractional Dedicated Physical Channel, Fractional Dedicated Physical letter
Road), which needs the terminal of R7 and the above protocol version to support.There are also many common R99, R5 and R6 are whole for commercialization net at present
End, these terminals do not support CPC function, therefore based on current status, to these terminals, there is presently no similar technologies can
To save the power of base station, continuous emission mode can only be used.
Summary of the invention
The technical problem to be solved in the present invention is to provide the methods and dress of a kind of downward special physical channel (DPCH) transmitting
It sets, to save the power of base station.
In order to solve the above-mentioned technical problems, the present invention provides a kind of methods of downward special physical channel transmitting, including,
Judge whether to meet predetermined condition；
As met, then the processing of the pilot tone of the discontinuous pilot field for sending downward special physical channel is carried out, otherwise continuously
Send the pilot tone of the pilot field of downward special physical channel.
Further, the above method also has the characteristics that following: the discontinuous transmission downward special physical channel of progress
The processing of the pilot tone of pilot field includes:
The pilot tone for sending the pilot field of downward special physical channel within the fixed period periodically, during this is specified into
Row downlink inner-loop power control；
In a period of not sending the pilot tone of the pilot field of downward special physical channel within the period, uplink power control is shielded
System order, without downlink inner-loop power control.
Further, the above method also has the characteristics that following: the predetermined condition includes:
Customer service is R99 data service and adjoint high-speed slender body theory of the channel bearing in dedicated physical channel
At least one of business, and the data field of dedicated physical channel does not have data to be sent.
Further, the above method also has the characteristics that following: carrying out leading for discontinuous transmission downward special physical channel
During the processing of the pilot tone of frequency domain, comprising:
Such as judging the data field of dedicated physical channel has that data are to be sent, then shifts to an earlier date designated period of time before sending data and send
For adjusting the leading of power control, the pilot tone of the pilot field of downward special physical channel is continuously transmitted after transmission is leading.
To solve the above-mentioned problems, the present invention also provides a kind of device of processing downward special physical channel transmitting, packets
It includes:
First module meets predetermined condition for judging whether；
Second module, for carrying out discontinuously sending downlink dedicated object in the case where first module judges to meet
Manage the processing of the pilot tone of the pilot field of channel；
Third module, in the case where first module judges ungratified situation, continuously transmitting downlink Dedicated Physical letter
The pilot tone of the pilot field in road.
Further, above-mentioned apparatus also has the characteristics that following: second module includes:
First unit, for it is special to send downlink within the fixed period periodically in the case where the first module judges to meet
With the pilot tone of the pilot field of physical channel, downlink inner-loop power control is carried out during this is specified；
Second unit, in a period of the pilot tone of the pilot field for not sending downward special physical channel within the period,
Uplink power control commands are shielded, without downlink inner-loop power control.
Further, above-mentioned apparatus also has the characteristics that following: the predetermined condition includes:
Customer service is R99 data service and adjoint high-speed slender body theory of the channel bearing in dedicated physical channel
At least one of business, and the data field of dedicated physical channel does not have data to be sent.
Further, above-mentioned apparatus also has the characteristics that following: second module further includes,
Third unit, for judging whether the data field of dedicated physical channel has data to be sent, if any then in transmission number
It sends according to preceding designated period of time in advance for adjusting the leading of power control, and notifies the third module；
The third module is the pilot tone that the pilot field of downward special physical channel is continuously transmitted after receiving notice
's.
To sum up, the present invention provides a kind of method and apparatus of downward special physical channel (DPCH) transmitting, can save base
The power stood.
Detailed description of the invention
Fig. 1 is the flow chart for the method that the downlink DPCH of the embodiment of the present invention emits.
Fig. 2 is the schematic diagram of the DPCH channel architecture defined in 3gpp agreement.
Fig. 3 is the schematic diagram of the domain the downlink DPCH Pilot discontinuous transmitting mode of the embodiment of the present invention.
Fig. 4 is phase between the downlink DPCH Pilot domain discontinuous transmitting mode and continuous emission mode of the embodiment of the present invention
The schematic diagram mutually converted.
Fig. 5 is a kind of schematic diagram of the device of processing downlink DPCH of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Fig. 1 is the flow chart for the method that the downlink DPCH of the embodiment of the present invention emits, as shown in Figure 1, the side of the present embodiment
Method includes:
S11, judge whether to meet predetermined condition, such as meet, then go to step S12, otherwise go to step S13；
S12, the processing for discontinuously sending the pilot tone of the pilot field of downward special physical channel is carried out；
S13, continuously transmit downward special physical channel pilot field pilot tone.
It is predetermined when meeting by discontinuous transmitting downlink DPCH pilot field according to the method for the embodiment of the present invention
Termination condition stops the pilot field for sending DPCH, just restarts to send until meeting initial conditions predetermined, Ke Yijie
The transmission power for saving downward special physical channel, to improve power system capacity.
For example, the mode for defining DPCH pilot field discontinuous transmitting is DL_Pilot_DTX, base station passes through DL_Pilot_
Whether DTX_ActiVe activates whether determining DPCH pilot field enters discontinuous transmitting mode.
DL_Pilot_DTX_Active is that true needs while meeting the following conditions: 1, the business of user is clear data industry
Business, and be R99 data service or adjoint HSDPA (High Speed Downlink of the channel bearing on DPCH
Packet Access, high-speed slender body theory) business either both mix of traffic；2, base station supports DPCH discontinuous
Emission mode；3, Data (data) domain of DPCH does not have data transmission, otherwise, DL_Pilot_DTX_Active false
(vacation).
High level defines pilot field discontinuous transmitting (DL_Pilot_DTX) process by following parameter.
Pilot_DTX_Cycle: the period of downlink DPCH pilot field burst pattern (burst pattern), generally with frame
Or time slot is unit.
DL_Pilot_DTX is deactivated: when there are data in the domain Data of DPCH, from DPCH pilot field discontinuous transmitting
Mode is converted to continuous emission mode, and DL_Pilot_DTX_Active is set to false.
Pilot_DTX_preamble_length: when there is data transmission in the domain Data of DPCH, DPCH pilot field need to shift to an earlier date
The time span of leading (preamble) that sends, generally with slot (time slot) for unit.
It is leading to be mainly used for adjusting power control, without sending data during transmission is leading, but do descending power
Control, in order to enable power control can keep up with channel variation when sending data, to control SIR (Signal to
Interference Ratio, signal-to-noise ratio), in advance how many time slot and data can delay time it is related with performance requirement, can
To be determined by emulation or test.
Pilot_DTX_burst: burst length of the downlink DPCH pilot field at Pilot_DTX_Cycle, generally with frame
For unit.
When DL_Pilot_DTX_Active is true, following operation is completed in base station:
The Pilot (pilot tone) of DPCH is only sent out during burst (burst), and the time span of transmitting is Pilot_DTX_
Burst, downlink does inner-loop power control in this period；
The domain Pilot gap (gap) length of DPCH are as follows:
Pilot_DTX_Cycle-Pilot_DTX_burst；
Inside the gap time, shields uplink TPC (power control command), do not do downlink inner-loop power control.
For example, the frame number C of first burst meets the following conditions:
C mod Pilot_DTX_Cycle==0；
Period is to indicate that burst is in the preceding part in period, i.e., in the week of Pilot_DTX_Cycle as unit of frame
The pilot tone for most starting to send the pilot field of DPCH of phase, certainly, and can be in the other times in this period, as long as all
The transmission of phase property.
If the domain Data of DPCH begins with data in slot S and sends, just in S-Pilot_DTX_preamble_
Length sends preamble, and base station, which is known, will send data in the domain slot S Data, shift to an earlier date at this time with regard to relative slot S
The time transmission of Pilot_DTX_preamble_length is leading, also it may be said that base station knows there is the domain Data in Slot A
It has data to send, starts to send at this time leading, the time span of transmission is Pilot_DTX_preamble_length, is distributed
After leading, into the continuous emission mode in the domain DPCH Pilot, start to send data.Enter the domain DPCH Pilot at this time continuously to send out
Emission mode continuously transmits the domain DPCH Pilot and does downlink inner-loop power control until the domain Data does not count using the TPC command of uplink
According to.
The mode of several slot that burst and preamble start, downlink power control may be different with agreement, such as
Using smaller step-length or ignore several TPC commands.
For R99 business, service bearer is in DPDCH (Dedicated Physical Data Channel, dedicated physics
Data channel) on, control information is carried on DPCCH (Dedicated Physical Control Channel, dedicated physics control
Channel processed) on, DPDCH and DPCCH time division multiplexing composition downward special physical channel (DPCH), as shown in Figure 2, wherein TPC is
Inner-loop power control order, TFCI are transformat combination instructions, and Pilot is pilot tone, and Data is data information.Work as data channel traffic
When seldom, at this point, that DPCH substantially sends out is all control information, i.e. TPC, TFCI, Pilot.
For with channel bearing, in the HSDPA business of DPCH, service bearer is in HSDPA, and signaling bear is DPCH's
On the domain Data, when doing business, signaling is generally all fewer, and DPCH is substantially all in hair TPC, TFCI, Pilot.
Fig. 2 gives the channel architecture of the DPCH inside 3gpp agreement, and DPCH is wireless, and frame length is 10ms, includes 15
There are DPDCH and DPCCH inside slot, each slot, DPCCH is control channel, includes TPC, the domain TFCI and Pilot, DPDCH
It is data channel, includes the domain Data.
Fig. 3 gives the schematic diagram of the downlink of the DL_Pilot_DTX mode in the embodiment of the present invention, such as Fig. 3 institute
Show, when enter DL_Pilot_DTX mode when, i.e. DL_Pilot_DTX_Active be true, and originate CFN
(Connection Frame Number, Connection Frame Number) C meet (C mod Pilot_DTX_Cycle)==0 enter burst,
Start the pilot tone of the pilot field of transmission DPCH, time duration is Pilot_DTX_burst, such as 1 frame, sends DPCH at this time
Pilot field pilot tone, the control of downlink power do not send the pilot tone of the pilot field of DPCH, at this time subsequently into gap during this period
Time duration is that Pilot_DTX_Cycle (for example, 4 frames) subtract Pilot_DTX_burst, shields the TPC of uplink at this time
Order, does not do downlink power control, meanwhile, the pilot tone of the pilot field of DPCH is not sent；Below when again CFN meets CFN mod
When Pilot_DTX_Cycle==0, burst, duration Pilot_DTX_burst are sent.
Fig. 4 gives showing for the embodiment of downlink DPCH Pilot domain discontinuous transmitting mode and the conversion of continuous emission mode
It is intended to, comprising the following steps:
Step 301, when DL_Pilot_DTX_Active be true, CFN meet (CFN mod Pilot_DTX_Cycle)
When==0, into burst, start the pilot tone for sending the pilot field of DPCH, time duration Pilot_DTX_burst,
The pilot tone of the pilot field of DPCH is normally sent, and does downlink power control；
Step 302, subsequently into gap, the pilot tone of the pilot field of DPCH is not sent at this time, shields the TPC command of uplink, no
Do downlink inner-loop power control.
Step 303 has data to send when in moment T DPCH Data domain, and determination is to send (base station in slot S
The time that data are sent can be known or oneself set by means such as high-rise notices), DL_Pilot_DTX is deactivated at this time,
DL_Pilot_DTX_Active is false, preamble is sent in S-Pilot_DTX_preamble_length, into pilot tone
Continuous emission mode is sent until the data in the domain DPCH Data；
Step 304, the domain Pilot for needing to emit DPCH at this time, while the TPC command reported using uplink, do downlink function
Rate control starts to send data in slot S, and the domain Pilot of DPCH continuously transmits, and the TPC command reported using uplink is done down
Row power control；
Step 305 after having sent data, carries out judging whether to activate DL_Pilot_DTX_ in next slot
Active is true；
Step 306 after meeting condition, activates as true, at this time according to DPCH Pilot DTX Mode Launch, first
The CFN of burst meets condition C mod Pilot_DTX_Cycle.
Start several slot in preamble and burst, the mode of downlink power control may be different with agreement, for example adopt
With smaller step-length or ignore several TPC commands.
Fig. 5 is a kind of schematic diagram of the device of processing downlink DPCH of the embodiment of the present invention, as shown in figure 5, the present embodiment
Device may include:
First module meets predetermined condition for judging whether；
Second module, for carrying out discontinuously sending downlink dedicated object in the case where first module judges to meet
Manage the processing of the pilot tone of the pilot field of channel；
Third module, in the case where first module judges ungratified situation, continuously transmitting downlink Dedicated Physical letter
The pilot tone of the pilot field in road.
Wherein, second module may include:
First unit, for it is special to send downlink within the fixed period periodically in the case where the first module judges to meet
With the pilot tone of the pilot field of physical channel, downlink inner-loop power control is carried out during this is specified；
Second unit, in a period of the pilot tone of the pilot field for not sending downward special physical channel within the period,
Uplink power control commands are shielded, without downlink inner-loop power control.
Wherein, the predetermined condition includes:
Customer service is R99 data service and adjoint high-speed slender body theory of the channel bearing in dedicated physical channel
At least one of business, and the data field of dedicated physical channel does not have data to be sent.
In a preferred embodiment, second module can also include,
Third unit, for judging whether the data field of dedicated physical channel has data to be sent, if any then in transmission number
It sends according to preceding designated period of time in advance for adjusting the leading of power control, and notifies the third module；
The third module is the pilot tone that the pilot field of downward special physical channel is continuously transmitted after receiving notice
's.
The present invention can be used to be realized in software systems, can also use hardware realization.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program
Related hardware is completed, and described program can store in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, one or more integrated circuits can be used also to realize in all or part of the steps of above-described embodiment.Accordingly
Ground, each module/unit in above-described embodiment can take the form of hardware realization, can also use the shape of software function module
Formula is realized.The present invention is not limited to the combinations of the hardware and software of any particular form.
The above is only a preferred embodiment of the present invention, and certainly, the invention may also have other embodiments, without departing substantially from this
In the case where spirit and its essence, those skilled in the art make various corresponding changes in accordance with the present invention
And deformation, but these corresponding changes and modifications all should fall within the scope of protection of the appended claims of the present invention.
Claims (6)
1. a kind of method of downward special physical channel transmitting, including,
Judge whether to meet predetermined condition；The predetermined condition includes: that customer service is R99 data service and adjoint channel bearing
At least one of high speed downlink grouping access business in dedicated physical channel, and the data field of dedicated physical channel does not have
There are data to be sent；
As met, then the processing of the pilot tone of the discontinuous pilot field for sending downward special physical channel is carried out, is otherwise continuously transmitted
The pilot tone of the pilot field of downward special physical channel.
2. the method as described in claim 1, it is characterised in that: the progress is discontinuous to send leading for downward special physical channel
The processing of the pilot tone of frequency domain includes:
The pilot tone for sending the pilot field of downward special physical channel within the fixed period periodically, under being carried out during this is specified
Row inner-loop power control；
In a period of not sending the pilot tone of the pilot field of downward special physical channel within the period, shielding uplink power control life
It enables, without downlink inner-loop power control.
3. method according to claim 1 or 2, it is characterised in that: carrying out discontinuous transmission downward special physical channel
During the processing of the pilot tone of pilot field, comprising:
Such as judging the data field of dedicated physical channel has that data are to be sent, then shifts to an earlier date designated period of time transmission before sending data and be used for
The leading of power control is adjusted, the pilot tone of the pilot field of downward special physical channel is continuously transmitted after transmission is leading.
4. a kind of device of processing downward special physical channel transmitting, comprising:
First module meets predetermined condition for judging whether；The predetermined condition includes: that customer service is R99 data service
With with high speed downlink grouping access business at least one of of the channel bearing in dedicated physical channel, and dedicated physics
The data field of channel does not have data to be sent；
Second module discontinuously sends downlink Dedicated Physical letter for carrying out in the case where first module judges to meet
The processing of the pilot tone of the pilot field in road；
Third module, for continuously transmitting downward special physical channel in the case where first module judges ungratified situation
The pilot tone of pilot field.
5. device as claimed in claim 4, it is characterised in that: second module includes:
First unit, for sending downlink dedicated object within the fixed period periodically in the case where the first module judges to meet
The pilot tone for managing the pilot field of channel carries out downlink inner-loop power control during this is specified；
Second unit, in a period of the pilot tone of the pilot field for not sending downward special physical channel within the period, shielding
Uplink power control commands, without downlink inner-loop power control.
6. device as described in claim 4 or 5, it is characterised in that: second module further includes,
Third unit, for judging whether the data field of dedicated physical channel has data to be sent, if any then before sending data
Designated period of time is sent for adjusting the leading of power control in advance, and notifies the third module；
The third module is the pilot tone that the pilot field of downward special physical channel is continuously transmitted after receiving notice.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142752.7A CN104125627B (en) | 2013-04-23 | 2013-04-23 | A kind of method and apparatus of downward special physical channel transmitting |
| PCT/CN2014/073282 WO2014173210A1 (en) | 2013-04-23 | 2014-03-12 | Method and device for transmitting downlink dedicated physical channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142752.7A CN104125627B (en) | 2013-04-23 | 2013-04-23 | A kind of method and apparatus of downward special physical channel transmitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104125627A CN104125627A (en) | 2014-10-29 |
| CN104125627B true CN104125627B (en) | 2019-08-06 |
Family
ID=51770857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310142752.7A Active CN104125627B (en) | 2013-04-23 | 2013-04-23 | A kind of method and apparatus of downward special physical channel transmitting |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104125627B (en) |
| WO (1) | WO2014173210A1 (en) |
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| CN101026432A (en) * | 2006-02-17 | 2007-08-29 | 华为技术有限公司 | Packet data business transmitting method and system based on high speed packet channel |
| CN101180844A (en) * | 2005-03-29 | 2008-05-14 | 高通股份有限公司 | Method and apparatus for data and pilot structures supporting equalization |
| CN101299622A (en) * | 2007-04-30 | 2008-11-05 | 华为技术有限公司 | Method and terminal for combining transmission power control command |
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| JP4555692B2 (en) * | 2005-01-14 | 2010-10-06 | 富士通株式会社 | Mobile radio communication system and radio communication apparatus |
| CN101132543B (en) * | 2006-08-22 | 2010-10-27 | 华为技术有限公司 | Method and apparatus for receiving data |
| CN101247552B (en) * | 2007-02-14 | 2012-04-25 | 华为技术有限公司 | Feedback method, system and equipment |
| CN106027213A (en) * | 2010-10-01 | 2016-10-12 | 交互数字专利控股公司 | Method and apparatus for transmitting pilot on multiple antennas |
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- 2013-04-23 CN CN201310142752.7A patent/CN104125627B/en active Active
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- 2014-03-12 WO PCT/CN2014/073282 patent/WO2014173210A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1347604A (en) * | 1999-04-12 | 2002-05-01 | 三星电子株式会社 | Apparatus and method for gated transmission in CDMA communication system |
| CN1426172A (en) * | 2001-12-12 | 2003-06-25 | 华为技术有限公司 | Method for controlling downward special physical channel power under compressed mode |
| CN101180844A (en) * | 2005-03-29 | 2008-05-14 | 高通股份有限公司 | Method and apparatus for data and pilot structures supporting equalization |
| CN101026432A (en) * | 2006-02-17 | 2007-08-29 | 华为技术有限公司 | Packet data business transmitting method and system based on high speed packet channel |
| CN101299622A (en) * | 2007-04-30 | 2008-11-05 | 华为技术有限公司 | Method and terminal for combining transmission power control command |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104125627A (en) | 2014-10-29 |
| WO2014173210A1 (en) | 2014-10-30 |
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