CN103120013B - A kind of method and device reducing Stochastic accessing detection wastage in bulk or weight - Google Patents
A kind of method and device reducing Stochastic accessing detection wastage in bulk or weight Download PDFInfo
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- CN103120013B CN103120013B CN201180001799.0A CN201180001799A CN103120013B CN 103120013 B CN103120013 B CN 103120013B CN 201180001799 A CN201180001799 A CN 201180001799A CN 103120013 B CN103120013 B CN 103120013B
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- 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
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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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
A kind of method and device reducing Stochastic accessing detection wastage in bulk or weight, wherein, the method includes: if in current symbol time, base station has distributed RACH, and the unallocated subchannel for user terminal uploads business datum, then obtain the general power of the signal received in described current symbol time；When the value of described general power is less than preset performance number, the signal in RACH described in described current symbol time is not carried out Stochastic accessing detection.The method can effectively avoid base station that noise signal carries out Stochastic accessing detection, reduce carry out Stochastic accessing detection must operand and the resource that takies, meanwhile, it is capable to be prevented effectively from empty detection.
Description
Technical field
The present embodiments relate to wireless mobile communications field, particularly relate to a kind of method and device reducing Stochastic accessing detection wastage in bulk or weight.
Background technology
In base station side, radio frequency air interface resource management (RRM, RadioResourceManagement) interface-free resources of base station is allocated, the RACH of the access data sent when distribution is used for transmitting user terminal Stochastic accessing, and the channel of the user terminal distribution transmission business datum for having accessed.If being assigned with RACH in base station, real-time is carried out Stochastic accessing detection to the signal in RACH by base station.
Inventor finds under study for action, owing to the access of user terminal is random, there will be the situation accessing signal not having user terminal to send in RACH, the Stochastic accessing that base station is carried out detects just for the noise signal in RACH, simultaneously, owing to the computing of Stochastic accessing detection is complex, occupy substantial amounts of calculation resources, therefore the Stochastic accessing to noise signal detects and will waste calculation resources, and owing to noise signal is detected, it is easily generated empty detection, causes the hydraulic performance decline of system.
Summary of the invention
Embodiments provide a kind of method and apparatus reducing Stochastic accessing detection wastage in bulk or weight, judge whether for base station the signal in RACH is carried out Stochastic accessing detection, the overall operational amount that base carries out Stochastic accessing detection and the resource taken can be effectively reduced, simultaneously, avoid empty detection, improve the performance of system.
The method reducing Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention includes: if in current symbol time, base station has distributed RACH, and the unallocated subchannel for user terminal uploads business datum, then obtain the general power of the signal received in described current symbol time；When the value of described general power is less than preset performance number, the signal in RACH described in described current symbol time is not carried out Stochastic accessing detection.
The device reducing Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention includes: distribution is for the subchannel of user terminal uploads business datum, the then general power of the signal received in obtaining described current symbol time；Processing module, for when the value of described general power is less than preset performance number, not carrying out Stochastic accessing detection to the signal in RACH described in described current symbol time.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In current symbol time, if RACH has been distributed in base station, and it is unallocated when the subchannel of user terminal uploads business datum, then judge whether to need to carry out Stochastic accessing detection according to the general power of the signal received in this symbol time, when the value of this general power is less than preset performance number, signal in RACH is not carried out Stochastic accessing detection, can effectively avoid base station that noise signal is carried out Stochastic accessing detection, decrease the resource carrying out the Stochastic accessing total operand of detection and taking, decrease wastage in bulk or weight, simultaneously, can effectively avoid empty detection.
Accompanying drawing explanation
Fig. 1 is a schematic diagram of the method reducing Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention；
Fig. 2 is another schematic diagram of the method reducing Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention；
Fig. 3 is a schematic diagram of the device reducing Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention；
Fig. 4 is another schematic diagram of the device reducing Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention.
Detailed description of the invention
Embodiments provide a kind of method and device reducing Stochastic accessing detection wastage in bulk or weight, for in current symbol time, base station judges whether to need the signal in RACH is carried out Stochastic accessing detection, can effectively avoid noise signal carries out the operand that Stochastic accessing detection produces and the calculation resources taken, reduce the wastage in bulk or weight carrying out Stochastic accessing detection, meanwhile, it is capable to effectively avoid empty detection.
In order to be better understood from technical scheme, refer to Fig. 1, reduce, for a kind of in the embodiment of the present invention, the method that Stochastic accessing detects wastage in bulk or weight, including:
If 101 in current symbol time, base station has distributed RACH, and unallocated when the subchannel of user terminal uploads business datum, then obtain the general power of the signal received in current symbol time；
nullCommunication between user terminal and base station can be divided into two stages，It is accidental access stage and traffic communication stage respectively，At accidental access stage，User terminal uses the RACH of base station distribution to transmit and accesses signal，In the traffic communication stage，User terminal uses the upstream subchannels transmission business datum of base station distribution，In order to realize the communication process between user terminal and base station，Base station will carry out channel distribution，In embodiments of the present invention，Symbol time is that channel distributes minimum time unit，Base station distributes channel resource in units of symbol time，And the communication between user terminal and base station is also carried out in units of symbol time，With OFDM (OFDM，OrthogonalFrequencyDivisionMultiplexing) as a example by system: ofdm system can be by distributing, for each user side definition T/F two dimension Resource Block having business data transmission, symbol time and the sub channel resource that each user terminal uses in downlink broadcast or control message，Each user terminal also will use the sub channel resource transmission business datum of system distribution in the symbol time of distribution.And in embodiments of the present invention, system is when the sign resources used to user terminal distribution and sub channel resource, also by for needing the user terminal networked to distribute spendable symbol time and RACH so that user terminal can utilize the RACH transmission that this symbol time is corresponding to access signal in the symbol time of distribution.
In embodiments of the present invention, if in current symbol time, base station has distributed RACH, and it is unallocated when the subchannel of user terminal uploads business datum, the general power of the signal that base station receives in obtaining this symbol time, the signal received refers in this symbol time, the signal in RACH and the general name of the signal in the subchannel of each user terminal uploads business datum.
It should be noted that, in base station side, base station is in order to keep certain process signal to noise ratio, the signal received will be carried out the automatic growth control of time domain or frequency domain, in automatic gain control process, base station will be on each symbol time, the signal transmitted in up channel carries out power statistic, obtain the general power of the signal received, owing to this automatic gain control process is that base station receives the process performed after signal, and regardless of whether need the signal in RACH is carried out Stochastic accessing detection, base station all will perform this process, therefore, the general power obtained in automatic gain control process is utilized to judge whether to need the signal in RACH is carried out Stochastic accessing detection, the operand of system will not be increased and take extra resource.
102, when the value of general power is less than preset performance number, the signal in RACH in current current symbol time is not carried out Stochastic accessing detection.
In embodiments of the present invention, when the value of the general power got is less than preset performance number, base station will not carry out Stochastic accessing detection to the signal in RACH in current current symbol time.
In embodiments of the present invention, when RACH does not transmit the access signal that user terminal sends, the value of the general power of the signal received that base station statistics obtains is by less than normal, therefore, can judge whether to have in RACH access signal according to the size of the value of the general power of the signal received, when the value of general power is less than preset performance number, base station will not carry out Stochastic accessing detection to the signal in RACH, can effectively save calculation resources, it is to avoid empty detection.
In embodiments of the present invention, the performance number that the general power of the signal that operator can arrange and receive compares, or by base station, this preset performance number is set flexibly according to practical situation, in actual applications, depending on the concrete method to set up of performance number can be according to practical situation, do not limit.
In the real-time example of the present invention, in current symbol time, by determining whether the signal in RACH is carried out Stochastic accessing detection according to the distribution condition of interface-free resources in base station and the general power of signal that receives, can effectively save calculation resources, it is to avoid the wasting of resources and the generation of empty detection.
In order to be better understood from technical scheme, refer to Fig. 2, in the embodiment of the present invention, the embodiment of a kind of method reducing Stochastic accessing detection wastage in bulk or weight, including:
201, the distribution condition of interface-free resources in base station obtains current symbol time；
In embodiments of the present invention, base station is by the distribution condition of interface-free resources in acquisition current symbol time, wherein, the distribution condition of interface-free resources is at least included in current symbol time, base station has been distributed the most for transmitting the RACH accessing data, and has the most distributed the subchannel for user terminal uploads business datum.
If 202 in current symbol time, base station has distributed RACH, and the unallocated channel for teleservice data, base station obtains during the signal received is carried out automatic growth control, the general power of the signal received that statistics obtains；
In embodiments of the present invention, base station will judge according to the interface-free resources distribution condition got, if in current symbol time, base station has distributed RACH, and the unallocated subchannel for user terminal uploads business datum, base station will obtain during the signal received is carried out automatic growth control, the general power of the signal received that statistics obtains.
In embodiments of the present invention, automatic growth control can be time domain automatic growth control, it is also possible to be frequency domain automatic growth control.
203, base station judges that the value of general power whether less than preset performance number, the most then performs step 204, if it is not, then perform step 205；
In embodiments of the present invention, base station obtains in this current symbol time, after the general power of the signal received, will determine that whether the value of general power is less than preset performance number, and base station will determine whether the signal in RACH is carried out Stochastic accessing detection according to judged result.
204, base station does not carries out Stochastic accessing detection to the signal in RACH in current symbol time；
In embodiments of the present invention, when the value of general power is less than preset performance number, base station does not carries out Stochastic accessing detection to the signal in RACH in current symbol time.
205, base station carries out Stochastic accessing detection to the signal in RACH in current symbol time.
In embodiments of the present invention, when the value of general power is more than or equal to preset performance number, base station will carry out Stochastic accessing detection to the signal in RACH in this symbol time.
It should be noted that in embodiments of the present invention, if base station has distributed RACH, and the subchannel of distributing user user terminal uploads business datum, base station also will carry out Stochastic accessing detection to the signal in this RACH.
In embodiments of the present invention, determine whether the signal in RACH is carried out Stochastic accessing detection by the distribution condition of the interface-free resources according to base station and the general power of signal that receives, in current symbol time, when base station has distributed RACH, and the unallocated subchannel for user terminal uploads business datum, and the value of the general power of signal that receives of base station less than preset performance number time, base station will not carry out Stochastic accessing detection to the signal in this RACH, can effectively save operand and calculation resources, it is to avoid empty detection.
It should be noted that in embodiments of the present invention, the method reducing Stochastic accessing detection wastage in bulk or weight described in Fig. 1 and Fig. 2 specifically can be performed by the baseband processing unit in base station, or is performed by the processing unit newly increased in base station.
Embodiment shown in Fig. 1 and Fig. 2 describes the method reducing Stochastic accessing detection wastage in bulk or weight, and the embodiment that can be used for perform the device of said method is described in detail below.
Refer to Fig. 3, for the embodiment of the present invention reduces the embodiment of the device of Stochastic accessing detection wastage in bulk or weight, including:
First acquisition module 301, if in current symbol time, base station has distributed RACH, and the unallocated subchannel for user terminal uploads business datum, then obtain the general power of the signal received in current symbol time；
Processing module 302, for when the value of general power is less than preset performance number, not carrying out Stochastic accessing detection to the signal in RACH in current symbol time.
In embodiments of the present invention, if in current symbol time, base station has distributed RACH, and the unallocated subchannel for user terminal uploads business datum, the then general power of the signal that the first acquisition module 301 receives in obtaining current symbol time, and when the value of this general power is less than preset performance number, processing module 302 will not carry out Stochastic accessing detection to the signal in RACH in current symbol time.
In embodiments of the present invention, by according in current symbol time, the general power of the signal that the service condition of the up channel of user terminal and base station receive determines the need for the signal in RACH is carried out Stochastic accessing detection, the a large amount of computings that can effectively avoid that noise signal is carried out Stochastic accessing detection and carry out and a large amount of calculation resources taken, reduce the wastage in bulk or weight of Stochastic accessing detection, economize on resources.
For the device being better understood from the present invention, refer to Fig. 4, for the embodiment of the present invention reduces another embodiment of the device of Stochastic accessing detection wastage in bulk or weight, including:
The first acquisition module 301 in embodiment as shown in Figure 3, processing module 302, and similar to the content that the embodiment shown in Fig. 3 describes, here is omitted.
Additionally, device also includes:
Second acquisition unit 401, the distribution condition of interface-free resources in obtaining current symbol time, the distribution condition of this interface-free resources is at least included in current symbol time, base station has been distributed the most for transmitting the RACH accessing data, and has the most distributed the subchannel for user terminal uploads business datum；
Judging unit 402, for judging that whether the value of general power is less than preset performance number.
Preferably, in embodiments of the present invention, processing unit 302 is additionally operable to when having distributed RACH in base station, and distributed when the subchannel of user terminal uploads business datum, signal in RACH in current symbol time is carried out Stochastic accessing detection, and for when the value of general power is more than or equal to preset performance number, the signal in RACH in current symbol time being carried out Stochastic accessing detection.
In embodiments of the present invention, second acquisition unit 401 will obtain the distribution condition of interface-free resources in a symbol, when in current symbol time, base station has distributed RACH, and it is unallocated when the subchannel of user terminal uploads business datum, the general power of the signal that the first acquiring unit 301 receives in obtaining current symbol time, the value of the general power to the signal that this receives is judged by judging unit 402, judge that whether the value of general power is less than preset performance number, if, processing unit 302 will not carry out Stochastic accessing detection to the signal in RACH in this current symbol time, if not, processing unit 302 will carry out Stochastic accessing detection to the signal in RACH in this current symbol time.
It should be noted that, but existing parts in the device base station reducing Stochastic accessing detection wastage in bulk or weight shown in Fig. 3 and Fig. 4, such as, baseband processing unit in base station, or the parts newly increased, such as, it is able to carry out the processing unit newly increased of the method shown in Fig. 1 and Fig. 2, in actual applications, can as required depending on, do not limit.
In embodiments of the present invention, determine whether the signal in RACH is carried out Stochastic accessing detection by the distribution condition of the interface-free resources according to base station and the general power of signal that receives, in current symbol time, when base station has distributed RACH, and the unallocated subchannel for user terminal uploads business datum, and the value of the general power of signal that receives of base station less than preset performance number time, base station will not carry out Stochastic accessing detection to the signal in this RACH, can effectively save operand and calculation resources, it is to avoid empty detection.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method can be by program and completes to instruct relevant hardware, described program can be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read only memory, disk or CD etc..
Above to a kind of method and device reducing Stochastic accessing detection wastage in bulk or weight provided by the present invention, it is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, the most all will change, in sum, this specification content should not be construed as limitation of the present invention.
Claims (7)
1. the method reducing Stochastic accessing detection wastage in bulk or weight, it is characterised in that including:
If in current symbol time, base station has distributed RACH, and the unallocated subchannel for user terminal uploads business datum, then obtain the general power of the signal received in described current symbol time；
When the value of described general power is less than preset performance number, the signal in RACH described in described current symbol time is not carried out Stochastic accessing detection；
Wherein, the general power of the signal received in the described current symbol time of described acquisition includes:
Obtain during the described signal received is carried out automatic growth control, add up the general power of the signal received described in obtaining.
Method the most according to claim 1, it is characterized in that, if it is described in current symbol time, base station has distributed RACH, and unallocated when the subchannel of user terminal uploads business datum, also include before the step of the general power of the signal received in obtaining described current symbol time:
Obtain the distribution condition of interface-free resources in described current symbol time, the distribution condition of described interface-free resources is at least included in described current symbol time, base station has been distributed the most for transmitting the RACH accessing data, and has the most distributed the subchannel for user terminal uploads business datum.
Method the most according to claim 1 and 2, it is characterised in that when the described value when described general power is less than preset performance number, the signal in RACH described in described current symbol time is not carried out the process of Stochastic accessing detection, specifically includes:
Judge that whether the value of described general power is less than preset performance number；
Signal in RACH described in described current symbol time is not carried out Stochastic accessing detection；
If it is not, then the signal in RACH described in described current symbol time is carried out Stochastic accessing detection.
Method the most according to claim 1, it is characterised in that described method also includes:
When, in described current symbol time, base station having been distributed described RACH, and has distributed described when the channel transmitting business datum, then the signal in described RACH in described current current symbol time has been carried out Stochastic accessing detection.
5. the device reducing Stochastic accessing detection wastage in bulk or weight, it is characterised in that including:
First acquisition module, if in current symbol time, base station has distributed RACH, and the unallocated subchannel for user terminal uploads business datum, then obtain the general power of the signal received in described current symbol time；Wherein, the general power of the signal received in the described current symbol time of described acquisition includes: obtain during the described signal received is carried out automatic growth control, adds up the general power of the signal received described in obtaining；
Processing module, for when the value of described general power is less than preset performance number, not carrying out Stochastic accessing detection to the signal in RACH described in described current symbol time.
Device the most according to claim 5, it is characterised in that described device also includes:
Second acquisition module, the distribution condition of interface-free resources in obtaining described current symbol time, the distribution condition of described interface-free resources is at least included in current symbol time, base station has been distributed the most for transmitting the RACH accessing data, and has the most distributed the subchannel for user terminal uploads business datum；
Judging unit, for judging that whether the value of described general power is less than preset performance number.
7. according to the device described in claim 5 or 6, it is characterized in that, described processing module is additionally operable to when having distributed described RACH in base station, and distributed described when the subchannel of user terminal uploads business datum, then the signal in RACH described in described current symbol time is carried out Stochastic accessing detection；And for when the value of described general power is more than or equal to preset performance number, then the signal in RACH described in described current symbol time being carried out Stochastic accessing detection.
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| PCT/CN2011/079934 WO2012162984A1 (en) | 2011-09-21 | 2011-09-21 | Method and apparatus for reducing total consumption of random accessing detection |
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| CN103120013A CN103120013A (en) | 2013-05-22 |
| CN103120013B true CN103120013B (en) | 2016-08-03 |
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| CN101944929A (en) * | 2009-07-06 | 2011-01-12 | 中兴通讯股份有限公司 | Detection method and device based on random access process |
| CN102077677A (en) * | 2008-07-03 | 2011-05-25 | 夏普株式会社 | Wireless communication system, communication device, wireless communication method, and wireless communication program |
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| US8514720B2 (en) * | 2007-01-19 | 2013-08-20 | Ntt Docomo, Inc. | Base station apparatus, mobile station, mobile communication system, and communication control method |
| CN101472343B (en) * | 2007-12-26 | 2010-11-03 | 鼎桥通信技术有限公司 | Random access method and system |
| CN101217821B (en) * | 2008-01-17 | 2010-10-06 | 北京北方烽火科技有限公司 | A traveling carriage access method of traveling carriage initiative mobile communication system |
| JP5250335B2 (en) * | 2008-08-08 | 2013-07-31 | 株式会社日立国際電気 | RADIO COMMUNICATION DEVICE HAVING RANDOM ACCESS SIGNAL DETECTION FUNCTION, RADIO COMMUNICATION SYSTEM, AND RANDOM ACCESS SIGNAL DETECTION METHOD |
| CN101848495B (en) * | 2009-03-27 | 2016-08-31 | 南京中兴新软件有限责任公司 | Random access processing method and processing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077677A (en) * | 2008-07-03 | 2011-05-25 | 夏普株式会社 | Wireless communication system, communication device, wireless communication method, and wireless communication program |
| CN101944929A (en) * | 2009-07-06 | 2011-01-12 | 中兴通讯股份有限公司 | Detection method and device based on random access process |
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| WO2012162984A1 (en) | 2012-12-06 |
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