CN103120013A - Method and apparatus for reducing total consumption of random accessing detection - Google Patents
Method and apparatus for reducing total consumption of random accessing detection Download PDFInfo
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- CN103120013A CN103120013A CN2011800017990A CN201180001799A CN103120013A CN 103120013 A CN103120013 A CN 103120013A CN 2011800017990 A CN2011800017990 A CN 2011800017990A CN 201180001799 A CN201180001799 A CN 201180001799A CN 103120013 A CN103120013 A CN 103120013A
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- 238000001514 detection method Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 description 13
- 230000006854 communication Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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 method and apparatus for reducing total consumption of random accessing detection is provided, wherein the method comprises: if, in the current symbol time, a base station allocates random accessing channels and doesn't allocate sub-channels for a user terminal uploading service data, the total power of signals received within the current symbol time is obtained; when the total power value is less than the preset power value, the signals of the random accessing channel within the current symbol time are not performed random accessing detection. The method can avoid the base station performing random accessing detection to noise signals effectively, reduce the total amount of computation and occupied resources of the random accessing detection, and avoid false detection effectively.
Description
It is a kind of to reduce the method and device technical field that Stochastic accessing detects wastage in bulk or weight
The method and device of wastage in bulk or weight is detected the present embodiments relate to wireless mobile communications field, more particularly to a kind of reduction Stochastic accessing.
Background technology is in base station side, radio frequency air interface resource management（R M, Radio Resource Management) interface-free resources of base station are allocated, by the RACH of the access data sent when distributing and being used for and transmit user terminal Stochastic accessing, and it is the channel of the user terminal distribution transmission services data accessed.If being assigned with RACH in base station, base station will carry out Stochastic accessing detection to the signal in RACH in real time.Inventor has found under study for action, because the access of user terminal is random, the situation for the access signal for not having user terminal to send in RACH occurs, so that the Stochastic accessing that base station is carried out is detected just for the noise signal in RACH, simultaneously, because the computing that Stochastic accessing is detected is complex, occupy substantial amounts of calculation resources, therefore the Stochastic accessing detection to noise signal will waste calculation resources, and due to being detected to noise signal, empty detection is also easy to produce, causes the hydraulic performance decline of system.
The content of the invention
The method and apparatus that Stochastic accessing detects wastage in bulk or weight are reduced the embodiments of the invention provide a kind of, judge whether to carry out Stochastic accessing detection to the signal in RACH for base station, base can be effectively reduced and carry out the overall operational amount of Stochastic accessing detection and the resource of occupancy, simultaneously, empty detection is avoided, the performance of system is improved.
The method of reduction Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention includes：If in current symbol time, RACH, and the unallocated subchannel for user terminal uploads business datum have been distributed in base station, then obtain the general power of the signal received in the current symbol time；When the value of the general power is less than preset performance number, Stochastic accessing detection is not carried out to the signal in the RACH in the current symbol time.
The device of reduction Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention includes：The subchannel for user terminal uploads business datum is distributed, then obtains the total work of the signal received in the current symbol time
Rate；Processing module, for when the value of the general power is less than preset performance number, not carrying out Stochastic accessing detection to the signal in the RACH in the current symbol time.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
In current symbol time, if base station the allocated RACH, and during unallocated subchannel for user terminal uploads business datum, then judged whether to need to carry out Stochastic accessing detection according to the general power of the signal received in the symbol time, when the value of the general power is less than preset performance number, Stochastic accessing detection is not carried out to the signal in RACH, base station can be effectively avoided to carry out Stochastic accessing detection to noise signal, reduce the resource for carrying out the total operand of Stochastic accessing detection and occupancy, reduce wastage in bulk or weight, simultaneously, empty detection can effectively be avoided.
Brief description of the drawings
Fig. 1 is a schematic diagram of the method for reduction Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention；Fig. 2 is another schematic diagram of the method for reduction Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention；Fig. 3 is a schematic diagram of the device of reduction Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention；Fig. 4 is another schematic diagram of the device of reduction Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention.
Embodiment
The method and device that Stochastic accessing detects wastage in bulk or weight is reduced the embodiments of the invention provide a kind of, for in current symbol time, base station judges whether to need to carry out Stochastic accessing detection to the signal in RACH, it can effectively avoid carrying out noise signal the operand of Stochastic accessing detection generation and the calculation resources of occupancy, reduce the wastage in bulk or weight for carrying out Stochastic accessing detection, meanwhile, it is capable to effectively avoid empty detection.
In order to be better understood from technical scheme, Fig. 1 is referred to, is a kind of method for reducing Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention, including：
If the 101st, in current symbol time, RACH has been distributed in base station, and during unallocated subchannel for user terminal uploads business datum, then obtains the general power of the signal received in current symbol time；
Communication between user terminal and base station can be divided into two stages, it is accidental access stage and traffic communication stage respectively, in accidental access stage, the RACH transmission access signal that user terminal is distributed using base station, in the traffic communication stage, user terminal uses the upstream subchannels transmission services data that base station is distributed, 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 channel distribution minimum time unit, and channel is distributed in base station in units of symbol time
Communication between resource, and user terminal and base station is also to be carried out in units of symbol time, by taking OFDM (OFDM, Orthogonal Frequency Division Multiplexing) system as an example：OFDM systems can be by being that each user terminal for having business data transmission defines the two-dimentional resource block of the frequency of time one and distributes the symbol time and sub-channel resource that each user terminal is used, the sub-channel resource transmission services data that each user terminal will also be distributed in the symbol time of distribution using system in downlink broadcast or control message.And in embodiments of the present invention, system to user terminal when distributing the sign resources and sub-channel resource used, also the user terminal that will be networked for needs distributes workable symbol time and RACH so that user terminal can utilize the corresponding RACH of the symbol time to transmit access signal in the symbol time of distribution.
In embodiments of the present invention, if in current symbol time, RACH has been distributed in base station, and during unallocated subchannel for user terminal uploads business datum, base station will obtain the general power of the signal received in the symbol time, the signal received refers in the symbol time, the general name of the signal in RACH and 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 processing signal to noise ratio, the automatic growth control of time domain or frequency domain will be carried out to the signal received, 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, because the automatic gain control process is that base station receives the process performed after signal, and regardless of whether needing to carry out Stochastic accessing detection to the signal in RACH, base station will all perform the process, therefore, judge whether to need using the general power obtained in automatic gain control process to carry out Stochastic accessing detection to the signal in RACH, the operand of system will not be increased and extra resource is taken.
102nd, when the value of general power is less than preset performance number, Stochastic accessing detection is not carried out to the signal in RACH in current current symbol time.
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 the access signal for not having to transmit user terminal transmission in RACH, the value of the general power for the signal received that base station statistics is obtained will be less than normal, therefore, it can judge whether there is access signal in RACH 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, calculation resources can effectively be saved, it is to avoid void detection.
In embodiments of the present invention, the performance number that the general power of the settable signal with receiving of operating personnel is compared, or the preset performance number is flexibly set by base station according to actual conditions, in actual applications, depending on the specific method to set up of performance number can be according to actual conditions, do not limit herein.
In example in real time of the invention, in current symbol time, determine whether to carry out Stochastic accessing detection to the signal in RACH by the general power of the distribution condition according to interface-free resources in base station and the signal received, calculation resources can effectively be saved, it is to avoid the generation of the wasting of resources and empty detection.
In order to be better understood from technical scheme, referring to Fig. 2, in the embodiment of the present invention, a kind of reduction Stochastic accessing detects the embodiment of the method for wastage in bulk or weight, including：
201st, base station obtains the distribution condition of interface-free resources in current symbol time；
In embodiments of the present invention, base station will obtain the distribution condition of interface-free resources in current symbol time, wherein, the distribution condition of interface-free resources is at least included in current symbol time, whether base station has distributed the RACH that data are accessed for transmitting, and whether has distributed the subchannel for user terminal uploads business datum.
If the 202, in current symbol time, RACH has been distributed in base station, and the unallocated channel for teleservice data, base station obtains the general power that the obtained signal received is counted during the signal to receiving carries out automatic growth control；
In embodiments of the present invention, base station will be judged according to the interface-free resources distribution condition got, if in current symbol time, RACH has been distributed in base station, and the unallocated subchannel for user terminal uploads business datum, base station counts the general power of the obtained signal received by obtaining during the signal to receiving carries out automatic growth control.
In embodiments of the present invention, automatic growth control can be time domain automatic growth control or frequency domain automatic growth control.
203rd, base station judges whether the value of general power is less than preset performance number, if so, step 204 is then performed, if it is not, then performing step 205;
In embodiments of the present invention, base station is obtained in the current symbol time, after the general power of the signal received, it will determine that whether the value of general power is less than preset performance number, and base station will determine whether to carry out Stochastic accessing detection to the signal in RACH according to judged result.
204th, base station does not carry 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 is not to current symbol
Signal in number time in RACH carries out Stochastic accessing detection.
205th, 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 the symbol time.
It should be noted that in embodiments of the present invention, if RACH, and the subchannel of distributing user user terminal uploads business datum have been distributed in base station, base station also will carry out Stochastic accessing detection to the signal in the RACH.
In embodiments of the present invention, determine whether to carry out Stochastic accessing detection to the signal in RACH by the distribution condition of the interface-free resources according to base station and the general power of the signal received, in current symbol time, when RACH has been distributed in base station, and the unallocated subchannel for user terminal uploads business datum, and the value of the general power of signal that receives of base station is when being less than preset performance number, base station will not carry out Stochastic accessing detection to the signal in the RACH, operand and calculation resources can effectively be saved, avoid empty detection.
It should be noted that in embodiments of the present invention, the method for Fig. 1 and the reduction Stochastic accessing detection wastage in bulk or weight described in Fig. 2 can specifically be performed by the baseband processing unit in base station, or the processing unit newly increased in base station is performed.
Embodiment shown in Fig. 1 and Fig. 2 describes the method that reduction Stochastic accessing detects wastage in bulk or weight, and the embodiment available for the device for performing the above method is described in detail below.
Fig. 3 is referred to, is the embodiment of the device of reduction Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention, including：
First obtains ear not block 301, if in current symbol time, RACH, and the unallocated subchannel for user terminal uploads business datum to have been distributed in base station, then obtaining 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, RACH has been distributed in base station, and the unallocated subchannel for user terminal uploads business datum, then the first acquisition module 301 will obtain the general power of the signal received in current symbol time, and when the value of the general power is less than preset performance number, processing module 302 is by carry out Stochastic accessing not to the signal in RACH in current symbol time
Detection.
In embodiments of the present invention, by according in current symbol time, the general power for the signal that the service condition of the up channel of user terminal and base station are received determines the need for carrying out Stochastic accessing detection to the signal in RACH, the a large amount of computings carried out and a large amount of calculation resources of occupancy to noise signal progress Stochastic accessing detection can effectively be avoided, the wastage in bulk or weight of Stochastic accessing detection is reduced, is economized on resources.
In order to be better understood from the device in the present invention, referring to Fig. 4, another embodiment of the device to reduce Stochastic accessing detection wastage in bulk or weight in the embodiment of the present invention, including：
The first acquisition module 301 in embodiment as shown in Figure 3, processing module 302, and it is similar to the content of the embodiment description shown in Fig. 3, here is omitted.
In addition, device also includes：
Second acquisition unit 401, distribution condition for obtaining interface-free resources in current symbol time, the distribution condition of the interface-free resources is at least included in current symbol time, whether base station has distributed the RACH that data are accessed for transmitting, and whether has distributed the subchannel for user terminal uploads business datum；Judging unit 402, for judging whether the value of general power is less than preset performance number.
It is preferred that, in embodiments of the present invention, processing unit 302, which is additionally operable to work as in base station, has distributed RACH, and when having distributed the subchannel for user terminal uploads business datum, Stochastic accessing detection is carried out to the signal in RACH in current symbol time, and for when the value of general power is more than or equal to preset performance number, Stochastic accessing detection to be carried out to the signal in RACH in current symbol time.
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, RACH has been distributed in base station, and during unallocated subchannel for user terminal uploads business datum, first acquisition unit 301 obtains the general power of the signal received in current symbol time, judging unit 402 judges the value to the general power of the signal received, judge 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 the current symbol time, if not, processing unit 302 will carry out Stochastic accessing detection to the signal in RACH in the current symbol time.
It should be noted that, existing part during the device of reduction Stochastic accessing detection wastage in bulk or weight shown in Fig. 3 and Fig. 4 can stand, for example, baseband processing unit in base station, or the part newly increased, for example, the processing unit newly increased for the method being able to carry out shown in Fig. 1 and Fig. 2, in actual applications, can as needed depending on, herein not ^ thus limit.
In embodiments of the present invention, determine whether to carry out Stochastic accessing detection to the signal in RACH by the distribution condition of the interface-free resources according to base station and the general power of the signal received, in current symbol time, when RACH has been distributed in base station, and the unallocated subchannel for user terminal uploads business datum, and the value of the general power of signal that receives of base station is when being less than preset performance number, base station will not carry out Stochastic accessing detection to the signal in the RACH, operand and calculation resources can effectively be saved, avoid empty detection.
One of ordinary skill in the art will appreciate that realizing that all or part of step in above-described embodiment method can be by program to instruct the hardware of correlation to complete, described program can be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The method and device of wastage in bulk or weight is detected to a kind of reduction Stochastic accessing provided by the present invention above, it is described in detail, for those of ordinary skill in the art, thought according to the embodiment of the present invention, it will change in specific embodiments and applications, in summary, this specification content should not be construed as limiting the invention.
Claims (1)
- Claim1st, it is a kind of to reduce the method that Stochastic accessing detects wastage in bulk or weight, it is characterised in that including：If in current symbol time, RACH, and the unallocated subchannel for user terminal uploads business datum have been distributed in base station, then obtain the general power of the signal received in the current symbol time；When the value of the general power is less than preset performance number, Stochastic accessing detection is not carried out to the signal in the RACH in the current symbol time.2nd, according to the method described in claim 1, it is characterized in that, if described in current symbol time, RACH has been distributed in base station, and during unallocated subchannel for user terminal uploads business datum, also include before the step of obtaining the general power of the signal received in the current symbol time：Obtain the distribution condition of interface-free resources in the current symbol time, the distribution condition of the interface-free resources is at least included in the current symbol time, whether base station has distributed the RACH that data are accessed for transmitting, and whether has distributed the subchannel for user terminal uploads business datum.3rd, method according to claim 1 or 2, it is characterised in that the general power of the signal received in the acquisition current symbol time includes：Obtain during automatic growth control is carried out to the signal received, count the general power of the obtained signal received.4th, the method according to any one of claims 1 to 3, it is characterized in that, when the value when the general power is less than preset performance number, the process of Stochastic accessing detection is not carried out to the signal in the RACH in the current symbol time, is specifically included：Judge whether the value of the general power is less than preset performance number；If so, the unanimous survey of Stochastic accessing 4 is not carried out to the signal in the RACH in the current symbol time then；If it is not, then carrying out Stochastic accessing detection to the signal in the RACH in the current symbol time.5th, the method according to any one of Claims 1-4, it is characterised in that methods described also includes：When having distributed the RACH in the current symbol time, in base station, and distributed it is described be used for transmission services data channel when, then Stochastic accessing detection is carried out to the signal in the RACH in the current current symbol time. 6th, it is a kind of to reduce the device that Stochastic accessing detects wastage in bulk or weight, it is characterised in that including：First obtains ear not block, if in current symbol time, RACH, and the unallocated subchannel for user terminal uploads business datum to have been distributed in base station, then obtain the general power of the signal received in the current symbol time；Processing module, for when the value of the general power is less than preset performance number, not carrying out Stochastic accessing detection to the signal in the RACH in the current symbol time.7th, device according to claim 6, it is characterised in that described device also includes：Second obtains ear not block, distribution condition for obtaining interface-free resources in the current symbol time, the distribution condition of the interface-free resources is at least included in current symbol time, whether base station has distributed the RACH that data are accessed for transmitting, and whether has distributed the subchannel for user terminal uploads business datum；Judging unit, for judging whether the value of the general power is less than preset performance number.8th, the device according to claim 6 or 7, it is characterized in that, the processing module, which is additionally operable to work as in base station, has distributed the RACH, and when being used for the subchannel of user terminal uploads business datum described in having distributed, then Stochastic accessing detection is carried out to the signal in the RACH in the current symbol time；And for when the value of the general power is more than or equal to preset performance number, then carrying out Stochastic accessing detection to the signal in the RACH in the current symbol time.
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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 true CN103120013A (en) | 2013-05-22 |
| CN103120013B CN103120013B (en) | 2016-08-03 |
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| US20100034078A1 (en) * | 2008-08-08 | 2010-02-11 | Hitachi Kokusai Electric Inc. | Wireless communications equipments with function of detecting random access signal, wireless communications systems with function of detecting random access signal and method of random access signal detection |
| 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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| CN101632243B (en) * | 2007-01-19 | 2014-05-07 | 株式会社Ntt都科摩 | Base station device, 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 |
| 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 |
| US20100034078A1 (en) * | 2008-08-08 | 2010-02-11 | Hitachi Kokusai Electric Inc. | Wireless communications equipments with function of detecting random access signal, wireless communications systems with function of detecting random access signal and method of random access signal detection |
| 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 |
| CN103120013B (en) | 2016-08-03 |
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