CN101466134B - Method and device for controlling down link - Google Patents

Method and device for controlling down link Download PDF

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CN101466134B
CN101466134B CN2009100762767A CN200910076276A CN101466134B CN 101466134 B CN101466134 B CN 101466134B CN 2009100762767 A CN2009100762767 A CN 2009100762767A CN 200910076276 A CN200910076276 A CN 200910076276A CN 101466134 B CN101466134 B CN 101466134B
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time slot
down link
downlink
professional
descending time
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满小明
曹雪
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Putian Information Technology Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention discloses a control method of a RRU to a downlink and a device thereof. The RRU determines whether the business exists or not at a certain time slot according to a plurality of pieces of EEPOM information at the beginning of the downlink business data; the downlink is opened at the downlink time slot with the business in the downlink processing time lapse; and the downlink is closed at the downlink time slot without the business. Seen from the technical proposal of the invention, the downlink can be controlled in the close state for the time slot without the business, so as to effectively reduce the power consumption of the free time slot, thus lowering the quiescent power drain and reducing the production cost and the operation cost; simultaneously, the method and the device realize the real-time control for the downlink in the downlink processing time lapse, so as to ensure the service quality for users.

Description

Control method and device to down link
Technical field
The present invention relates to power control techniques, refer to that especially Remote Radio Unit (RRU) is to the control method and the device of down link in a kind of 3-G (Generation Three mobile communication system) Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system.
Background technology
In the TD-SCDMA system, RRU controls down link according to the transmitting-receiving transfer point and causes the down link power consumption very high, and the quiescent dissipation of down link is very not big yet when having business, and this will cause the waste of the energy.
At present, in the break-make control of RRU down link, according to transmitting-receiving transfer point control down link.That is to say, when entering descending time slot, close up link, open down link; When entering ascending time slot, close down link, open up link.From existing control method to down link, to the control of the break-make of down link with its on whether have independent of service, but down link is in opening at descending time slot always, there is not professional time slot still to open, like this, cause the quiescent dissipation waste undoubtedly, improved the requirement of power supply and thermal design, increased product cost and operation cost expense.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of break-make control method to down link, can reduce the quiescent dissipation of down link when guaranteeing quality of services for users.
Another object of the present invention is to provide a kind of break-make control device, can when guaranteeing quality of services for users, reduce the quiescent dissipation of down link down link.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of control method of down link, this method comprises: some chip information that radio frequency remote unit RRU begins according to downlink service data, judge and whether have business on certain time slot, in the down link processing delay, exist professional descending time slot to open down link, do not existing professional descending time slot to close down link; While transparent transmission downlink service data.
This method also comprises: increase extra delay circuit, in the down link processing delay down link is controlled in real time.
A kind of control device of down link, this control device comprise power subsystem, the professional judging unit of descending time slot and downlink business processing unit at least, wherein,
Power subsystem is used for each module of control device processing of powering;
The professional judging unit of descending time slot, be used to receive downlink service data from Base Band Unit BBU, the some chip information that begin according to downlink service data, judge and whether have business on certain time slot, and exist professional descending time slot to send the control signal that down link is opened in expression to the downlink business processing unit, do not exist professional descending time slot to send the control signal that down link is closed in expression; The transparent transmission downlink service data is to the downlink business processing unit simultaneously;
The downlink business processing unit is used to handle downlink service data, and according to the control information from the professional judging unit of descending time slot, controls the state of corresponding down link.
Described control device also comprises delay circuit, is arranged between professional judging unit of described descending time slot and the described downlink business processing unit.
Described device is arranged in the radio frequency remote unit RRU.
When described device was arranged on radio frequency remote unit RRU, described downlink business processing unit comprised digital intermediate frequency module, analog intermediate frequency module and power amplifier module;
Some chip information that the professional judging unit of described descending time slot begins according to downlink service data, judge and whether have business on certain time slot, in each module of described downlink business processing unit, exist the down link of professional time slot to send the control signal that expression is opened, do not exist the down link of professional time slot to send the control signal that expression is closed; The transparent transmission downlink service data is to the digital intermediate frequency module simultaneously.
All do not have business datum on all time slots if the chip information that receives shows, the professional judging unit control of then described descending time slot power supply enters sleep state at descending time slot.
As seen from the above technical solution, some chip information that Remote Radio Unit of the present invention begins according to downlink service data, judge whether there is business on certain time slot, exist professional descending time slot to open down link, do not exist professional descending time slot to close down link.From the present invention program as seen, for there not being professional time slot, its down link is controlled in closed condition, effectively reduces idle time slot power consumption, thereby has reduced the quiescent dissipation waste, has reduced product cost and operation cost expense.Simultaneously, owing to the present invention realizes, guaranteed quality of services for users in the down link processing delay.
Description of drawings
Fig. 1 is the time slot schematic diagram of the present invention to the control of down link;
Fig. 2 is the composition structural representation of the present invention to the control device of down link;
Fig. 3 is the control timing schematic diagram of the embodiment of the invention.
Embodiment
TD-SCDMA system protocol regulation on time slot 0 (TS0) and the Dwpts business datum is arranged all the time, and whether other downlink business time slots has business datum, relevant with number of network users and user's carrying situation.According to the characteristics of TD-SCDMA standard, service condition can not change in the same time slot.Therefore, the inventive method judges whether there is business on certain time slot according to some chip information that downlink service data begins; Simultaneously, be to guarantee the down link operate as normal, the present invention utilizes the processing delay Td of down link, has guaranteed to send before downlink service data is handled the i.e. control in advance of control information, thereby when having guaranteed quality of services for users, reduces power consumption.
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
Realization of the present invention comprises: some chip information that Remote Radio Unit begins according to downlink service data, judge and whether have business on certain time slot, in the down link processing delay, exist professional descending time slot to open down link, do not existing professional descending time slot to close down link.
The some chip chip information that begin according to downlink service data are judged current time slots and whether are had business, just can exist professional descending time slot open down link, do not exist professional descending time slot close down link.
Here, how to realize the opening/closing of down link is belonged to those skilled in the art's conventional techniques means, repeat no more here.
In order to guarantee in the down link processing delay down link that has professional time slot to be controlled, the present invention has utilized the processing delay to the downlink service data that receives, and finishes in this down link processing delay and judges and control.Further, can adopt technological means such as increasing extra delay circuit such as filter circuit to increase time delay, thereby guarantee better in the down link processing delay existing professional time slot to control, the concrete down link processing delay that how to adopt delay circuit to increase the transmitting-receiving transfer point belongs to those skilled in the art's conventional techniques means, repeats no more here.
Fig. 1 is the time slot schematic diagram of the present invention to the control of down link, as shown in Figure 1, in order to guarantee to judge whether to exist professional and control two aspects in advance and can both normally finish, make down link processing delay T dJudge time delay T greater than the descending time slot state jWith down link switch control time delay T sSum.
Fig. 2 is the composition structural representation of the present invention to the control device of down link, as shown in Figure 2, comprises power subsystem, the professional judging unit of descending time slot and downlink business processing unit at least, wherein,
Power subsystem is used for each module of control device processing of powering;
The professional judging unit of descending time slot, be used to receive from the upper strata is the downlink service data of BBU, the some chip information that begin according to downlink service data, judge and whether have business on certain time slot, and exist professional descending time slot to send the control signal that down link is opened in expression to the downlink business processing unit, do not exist professional descending time slot to send the control signal that down link is closed in expression; The transparent transmission downlink service data is to the downlink business processing unit simultaneously.
The downlink business processing unit is used to handle downlink service data, and according to the control information from the professional judging unit of descending time slot, the state of controlling corresponding down link promptly opens or closes.
Further, increase delay circuit such as filter circuit wait and increase time delay between professional judging unit of descending time slot and downlink business processing unit, thereby guarantee better in the down link processing delay existing professional time slot to control.
From the present invention program as seen, for there not being professional time slot, its down link is controlled in closed condition, effectively reduces idle time slot power consumption, thereby has reduced the quiescent dissipation waste, has reduced product cost and operation cost expense.Simultaneously, owing to the present invention realizes, guaranteed quality of services for users in the down link processing delay.
The downlink business processing unit comprises digital intermediate frequency module, analog intermediate frequency module and power amplifier module, some chip information that the professional judging unit of descending time slot begins according to downlink service data, judge and whether have business on certain time slot, in each module of downlink business processing unit, exist the down link of professional time slot to send the control signal that expression is opened, do not exist the down link of professional time slot to send the control signal that expression is closed; The transparent transmission downlink service data is to the digital intermediate frequency module simultaneously.
Need to prove, if showing, the chip information that receives all do not have business datum on all time slots, can also further control power supply and enter sleep state, the control of power supply is belonged to those skilled in the art's conventional techniques, no longer describe in detail here at descending time slot.
Fig. 3 is the control timing schematic diagram of the embodiment of the invention, and high level represents to open down link among Fig. 3, and low level represents to close down link.Suppose that the transmitting-receiving transfer point is configured between TS3 and the TS4, ascending time slot is TS1, TS2, TS3; Descending time slot is TS0, TS4, and TS5, TS6, wherein TS5 does not have distributing user.
The processing delay of supposing down link is 25uS, and down link control lead is 6uS, and the descending time slot state is judged preceding 8 chips that utilize time slot, and time delay is about 6uS.According to such scheme, the professional judging unit of descending time slot is at first judged the current time slots state according to preceding 8 the chip information of time slot, if having professional then open the down link of this time slot correspondence, if do not have professional then close the down link of this time slot correspondence.
As shown in Figure 3, TS4 and TS6 exist professional, and there is not business in TS5, so down link is in off state at TS5.
Quiescent dissipation and the dynamic power consumption of supposing descending analog intermediate frequency module are 2: 1, the quiescent dissipation of power amplifier module and dynamic power consumption ratio are 1: 1, power consumption situation as shown in Table 1, table one when adopting the inventive method the analog intermediate frequency module with respect to the Power Cutback situation (percentage is represented) of existing method.
Figure G2009100762767D00051
Figure G2009100762767D00061
Table one
In the table one, 3:3 refers to TS1, and TS2, TS3 are ascending time slot, TS4, and TS5, TS6 are the configuration of descending time slot; 2:4 refers to TS1, and TS2 is an ascending time slot, TS3, and TS4, TS5, TS6 are descending time slot.It is ascending time slot that 1:5 refers to TS1, and other are descending time slot.
Power amplifier module was with respect to the Power Cutback situation (percentage is represented) of existing method when table two was employing the inventive method.
? Transmitting-receiving transfer point 3:3 configuration Transmitting-receiving transfer point 2:4 configuration Transmitting-receiving transfer point 1:5 configuration
1 descending time slot no user 14.3％? 11.1％? 9.1％?
2 descending time slot no user 33.3％? 25.0％? 20.0％?
3 descending time slot no user 60.0％? 42.9％? 33.3％?
4 descending time slot no user /? 66.7％? 50.0％?
5 descending time slot no user /? /? 71.4％?
Table two
Overall Power Consumption at RRU is 240W, and wherein the power amplifier power consumption is 160W, and the analog intermediate frequency power consumption is 20W, and the digital intermediate frequency power consumption is 36W, and power-efficient is 90%.Do not considering under the digital intermediate frequency part power consumption situation, proving by experiment that RRU saves power consumption (transmitting-receiving transfer point 1:5 configuration, 5 descending time slots do not have business) 148W at most.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. control method to down link, it is characterized in that, this method comprises: some chip information that radio frequency remote unit RRU begins according to downlink service data, judge and whether have business on certain time slot, in the down link processing delay, exist professional descending time slot to open down link, do not existing professional descending time slot to close down link; While transparent transmission downlink service data.
2. control method according to claim 1 is characterized in that, this method also comprises: increase extra delay circuit, in the down link processing delay down link is controlled in real time.
3. the control device to down link is characterized in that, this control device comprises power subsystem, the professional judging unit of descending time slot and downlink business processing unit at least, wherein,
Power subsystem is used for each module of control device processing of powering;
The professional judging unit of descending time slot, be used to receive downlink service data from Base Band Unit BBU, the some chip information that begin according to downlink service data, judge and whether have business on certain time slot, and exist professional descending time slot to send the control signal that down link is opened in expression to the downlink business processing unit, do not exist professional descending time slot to send the control signal that down link is closed in expression; The transparent transmission downlink service data is to the downlink business processing unit simultaneously;
The downlink business processing unit is used to handle downlink service data, and according to the control information from the professional judging unit of descending time slot, controls the state of corresponding down link.
4. control device according to claim 3 is characterized in that described control device also comprises delay circuit, is arranged between professional judging unit of described descending time slot and the described downlink business processing unit.
5. according to claim 3 or 4 described control device, it is characterized in that described device is arranged in the radio frequency remote unit RRU.
6. according to claim 3 or 4 described control device, it is characterized in that when described device was arranged on radio frequency remote unit RRU, described downlink business processing unit comprised digital intermediate frequency module, analog intermediate frequency module and power amplifier module;
Some chip information that the professional judging unit of described descending time slot begins according to downlink service data, judge and whether have business on certain time slot, in each module of described downlink business processing unit, exist the down link of professional time slot to send the control signal that expression is opened, do not exist the down link of professional time slot to send the control signal that expression is closed; The transparent transmission downlink service data is to the digital intermediate frequency module simultaneously.
7. control device according to claim 6 is characterized in that, does not all have business datum on all time slots if the chip information that receives shows, the professional judging unit control of then described descending time slot power supply enters sleep state at descending time slot.
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CN103648151A (en) * 2013-11-14 2014-03-19 上海华为技术有限公司 Power-supplying control system, control method and base-band processing unit
CN107318151A (en) * 2016-04-26 2017-11-03 大唐移动通信设备有限公司 The control method and device of a kind of radio-frequency antenna switch

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CN102761943B (en) * 2011-04-29 2015-07-22 中兴通讯股份有限公司 Method and system for reducing power consumption of time-division duplex system
CN102904626A (en) * 2012-10-26 2013-01-30 大唐移动通信设备有限公司 Method and device for controlling power amplifier switch of antennae
CN103222299B (en) 2012-12-06 2016-09-28 华为技术有限公司 Down direction remote radio unit selection decision method and device
CN105519205B (en) * 2013-05-27 2019-05-24 华为技术有限公司 A kind of method, apparatus and system of base station energy-saving
CN104469907B (en) * 2014-11-17 2018-03-27 大唐移动通信设备有限公司 RF remote unit RRU power consumption control method and device
CN114665915B (en) * 2020-12-23 2023-04-07 上海华为技术有限公司 Radio frequency channel management method, device and related equipment
CN114339823B (en) * 2021-11-05 2022-09-30 国网山东省电力公司冠县供电公司 Communication energy efficiency optimization system based on business grade differentiation service

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CN103648151A (en) * 2013-11-14 2014-03-19 上海华为技术有限公司 Power-supplying control system, control method and base-band processing unit
CN103648151B (en) * 2013-11-14 2017-02-01 上海华为技术有限公司 Power-supplying control system, control method and base-band processing unit
CN107318151A (en) * 2016-04-26 2017-11-03 大唐移动通信设备有限公司 The control method and device of a kind of radio-frequency antenna switch
CN107318151B (en) * 2016-04-26 2020-11-03 大唐移动通信设备有限公司 Control method and device for radio frequency antenna switch

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