CN104137599A - Detection method and device - Google Patents
Detection method and device Download PDFInfo
- Publication number
- CN104137599A CN104137599A CN201280002565.2A CN201280002565A CN104137599A CN 104137599 A CN104137599 A CN 104137599A CN 201280002565 A CN201280002565 A CN 201280002565A CN 104137599 A CN104137599 A CN 104137599A
- Authority
- CN
- China
- Prior art keywords
- time slot
- signal interference
- interference ratio
- frequency pilot
- symbol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Provided is a detection method, comprising: calculating a signal-to-interference ratio of a time slot; judging whether the signal-to-interference ratio reaches a preset threshold value or not; and if so, notifying a base station that there is data to be sent in the time slot. Also provided is a detection device. By using the present invention, data of CPC in the time slot in the course of not sending data is detected, thereby guaranteeing the stability and reliability of a communication system.
Description
A kind of detection method and device technical field
The present invention relates to communication technical field, more particularly to a kind of detection method and device.Background technology
In the permanent online of prior art（Continuous Connectivity for Packet Data, abbreviation CPC) in introduce special physical controlling channel of upward（Dedicated Physical Control Channel, abbreviation DPCCH) discontinuous transmission, realize data send, the circulation that does not send, send.During this discontinuous transmission, DPCCH always sends data according to predefined pattern, while base station carries out power control regulation according to predefined pattern, to ensure the stability and reliability of communication system performance.But it is rapidly growing with intelligent terminal such as mobile phone, tablet personal computer etc., user may initiate the small business of time short data such as web page browsing etc. during CPC under predefined pattern does not send data, but in the prior art, the data in time slot during data can't not be sent for CPC are detected, now base station is not aware that the transmission of data, therefore can not accomplish real-time power control regulation.Especially under fading channel, no power control regulation is possible to adversely affect the stability and reliability of communication system performance, causes the hydraulic performance decline of communication system, the business experience of final influence user.Therefore, how to detect CPC do not send data during time slot in data turn into this area urgent problem to be solved.The content of the invention
The embodiments of the invention provide a kind of detection method and device, the data in time slot during can be achieved not sending data to CPC are detected, it is ensured that the Stability and dependability of communication system.
First aspect of the embodiment of the present invention provides a kind of detection method, it may include：
Calculate the signal interference ratio of time slot；
Judge whether the signal interference ratio reaches predetermined threshold value；
If so, then notifying there is data transmission in time slot described in base station.
In the first possible implementation, the signal interference ratio of time slot is calculated, it may include：
Maximum-ratio combing processing is made to the symbol in time slot, the symbol after maximum-ratio combing is obtained；Frequency pilot sign average amplitude；
According to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated.
With reference to the first possible implementation of first aspect, in second of possible implementation, maximum-ratio combing processing is made to the symbol in time slot, the symbol after maximum-ratio combing is obtained, equation below can be passed through
Wherein, ^ is the symbol after maximum-ratio combing, is the fading factor of i-th of symbol on the 1st article of RX path, and x is i-th of primary signal that transmitting terminal is sent, it is mid-frequency noise energy for the white complex gaussian noise being superimposed on i-th symbol on the 1st article of RX path.
With reference to second of possible implementation of first aspect, in the third possible implementation, the average amplitude of root symbol can pass through equation below
Wherein, m is the average amplitude of the frequency pilot sign in the time slot, is the symbol after the maximum-ratio combing, and N is the pilot number used in the time slot.
With reference to the third possible implementation of first aspect, in the 4th kind of possible implementation, according to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated, can be calculated by equation below：
Wherein, SIR is the signal interference ratio of the time slot,2For the average noise energy in the time slot.
With reference to first aspect or first or second or the 3rd or the 4th kind of possible implementation of combination first aspect, in the 5th kind of possible implementation, judge whether the signal interference ratio reaches predetermined threshold value, it may include：Judge whether the signal interference ratio of current time slots reaches predetermined threshold value；Or
Judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in current time slots and both frequency pilot signs at least previous time slot is obtained reaches predetermined threshold value.
With reference to the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation, it may include：
If the sequence number n of time slot is 1 to 3 remainder results, judge whether the signal interference ratio of n-th of time slot reaches predetermined threshold value；
If the sequence number n of time slot is 2 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of both frequency pilot signs in the frequency pilot sign in n-th of time slot and (n-1)th time slot is obtained reaches predetermined threshold value；
If the sequence number n of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；
Wherein, do not sent online in the period of data forever at each, time slot is sorted since 1 respectively and obtains the sequence number n of time slot, and n is the integer more than or equal to 1.
Second aspect of the embodiment of the present invention provides a kind of detection means, it may include：
Computing unit, the signal interference ratio for calculating time slot；
Judging unit, for judging whether the signal interference ratio reaches predetermined threshold value；If so, then notifying there is data transmission in time slot described in base station.
In the first possible implementation, described device may also include：
Combining unit, for making maximum-ratio combing processing to the symbol in time slot, obtains the symbol after maximum-ratio combing；
The computing unit is additionally operable to calculate the average amplitude of the frequency pilot sign in the time slot in the symbol after the maximum-ratio combing and the time slot according to the pilot number used；
According to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated.
With reference to the first possible implementation of second aspect, in second of possible implementation, the combining unit makees maximum-ratio combing processing to the symbol in time slot, obtains the symbol after maximum-ratio combing, can be calculated by equation below：
(I ,i I2 + hlini,i )
Wherein, ^ is the symbol after maximum-ratio combing, is i-th of symbol on the 1st article of RX path
Fading factor, x is i-th of primary signal that transmitting terminal is sent, and is the white complex gaussian noise being superimposed on i-th symbol on the 1st article of RX path, is mid-frequency noise energy.
With reference to second of possible implementation of second aspect, in the third possible implementation, the average amplitude of the frequency pilot sign in institute's time slot can be calculated by equation below：
Wherein, m is the average amplitude of the frequency pilot sign in the time slot, is the symbol after the maximum-ratio combing, and N is the pilot number used in the time slot.
With reference to the third possible implementation of second aspect, in the 4th kind of possible implementation, the computing unit calculates the signal interference ratio of the time slot, can calculated by equation below according to the average noise energy in the average amplitude and the time slot of the frequency pilot sign：
|2
m
SIR
δ1Wherein, SIR is the signal interference ratio of the time slot,2For the average noise energy in the time slot.
With reference to second aspect or first or second or the 3rd or the 4th kind of possible implementation of combination second aspect, in the 5th kind of possible implementation, the computing unit can also be used to be added up the signal interference ratio of the signal interference ratio of current time slots and at least previous time slot；
The judging unit judges whether the signal interference ratio reaches predetermined threshold value, including：
Judge whether the signal interference ratio of current time slots reaches predetermined threshold value；Or
Judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in current time slots and both frequency pilot signs at least previous time slot is obtained reaches predetermined threshold value.
With reference to the 5th kind of possible implementation of second aspect, in the 6th kind of possible implementation, it may include：
If the sequence number n of time slot is 1 to 3 remainder results, judge whether the signal interference ratio of n-th of time slot reaches predetermined threshold value；
If the sequence number n of time slot is 2 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of both frequency pilot signs in (n-1)th time slot of frequency pilot sign in n-th of time slot is obtained reaches predetermined threshold value；
If the sequence number n of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；
Wherein, do not sent online in the period of data forever at each, time slot is sorted since 1 respectively and obtains the sequence number n of time slot, and n is the integer more than or equal to 1.
The third aspect of the embodiment of the present invention provides a kind of detection means, it may include：
Processor and the memory being engaged with the processor；
The memory is used for the program for storing the computing device；
The processor is used to perform following steps：
Calculate the signal interference ratio of time slot；
Judge whether the signal interference ratio reaches predetermined threshold value；
If so, then notifying there is data transmission in time slot described in base station.
In the first possible implementation, the processor can be additionally used in：
Maximum-ratio combing processing is made to the symbol in time slot, the symbol after maximum-ratio combing is obtained；Frequency pilot sign average amplitude；
According to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated.
With reference to the first possible implementation of the third aspect, in second of possible implementation, the processor makees maximum-ratio combing processing to the symbol in time slot, obtains the symbol after maximum-ratio combing, can be calculated by equation below：
Wherein, ^ is the symbol after maximum-ratio combing, and is the fading factor of i-th of symbol on the 1st article of RX path, and x is i-th of primary signal that transmitting terminal is sent, it is mid-frequency noise energy for the white complex gaussian noise being superimposed on i-th symbol on the 1st article of RX path.
With reference to second of possible implementation of the third aspect, in the third possible implementation, the processor according to the symbol after the maximum-ratio combing and it is described when calculate the average amplitude of frequency pilot sign in the time slot, equation below meter can be passed through
Wherein, m is the average amplitude of the frequency pilot sign in the time slot, is the symbol after the maximum-ratio combing, and N is the pilot number used in the time slot.
With reference to the third possible implementation of the third aspect, in the 4th kind of possible implementation, the processor calculates the signal interference ratio of the time slot, can calculated by equation below according to the average noise energy in the average amplitude and the time slot of the frequency pilot sign：
Wherein, SIR is the signal interference ratio of the time slot, is the average noise energy in the time slot.
With reference to the third aspect or first or second or the 3rd or the 4th kind of possible implementation of combination first aspect, in the 5th kind of possible implementation, the processor judges whether the signal interference ratio reaches predetermined threshold value, it may include：
Judge whether the signal interference ratio of current time slots reaches predetermined threshold value；Or
Judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in current time slots and both frequency pilot signs at least previous time slot is obtained reaches predetermined threshold value.
With reference to the 5th kind of possible implementation of the third aspect, in the 6th kind of possible implementation, it may include：
If the sequence number n of time slot is 1 to 3 remainder results, judge whether the signal interference ratio of n-th of time slot reaches predetermined threshold value；
If the sequence number n of time slot is 2 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of both frequency pilot signs in (n-1)th time slot of frequency pilot sign in n-th of time slot is obtained reaches predetermined threshold value；
If the sequence number n of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；
Wherein, do not sent online in the period of data forever at each, time slot is sorted since 1 respectively and obtains the sequence number n of time slot, and n is the integer more than or equal to 1.
Implement the embodiment of the present invention, have the advantages that：
After being calculated and being contrasted with predetermined threshold value by the signal interference ratio of the time slot to not sending data in up DPCCH discontinuous transmission in CPC, it can determine whether to whether there is data transfer in such time slot, solve no related detecting method and cause the problem of communication system Stability and dependability is poor；Judged according to the signal interference ratio accumulation result of related time-slot, can and the service request time especially small in business datum amount it is especially short in the case of remain to complete the detection to such time slot, reduce loss, improve the precision and accuracy of detection.The accompanying drawing used required in brief description of the drawings example or description of the prior art is briefly described, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the first embodiment of detection method；
Fig. 2 is the schematic flow sheet of the second embodiment of detection method；
Fig. 3 is the composition schematic diagram of the first embodiment of detection means of the present invention；
Fig. 4 is the composition schematic diagram of the second embodiment of detection means of the present invention；
Fig. 5 is the composition schematic diagram of the 3rd embodiment of detection means of the present invention.Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made belongs to the scope of protection of the invention.
Fig. 1 is refer to, is the schematic flow sheet of the first embodiment of detection method, in the present embodiment, the described method comprises the following steps：
5101, calculate the signal interference ratio of time slot.
Specifically, the time slot of data is not sent in the discontinuous transmission that the time slot is up DPCCH in CPC.
5102, judge whether the signal interference ratio reaches predetermined threshold value.If so, then performing step S103, step S104 is otherwise performed.
Usually, a threshold value can be pre-set, when the signal interference ratio is higher than this threshold value, then
Represent there is data transmission in the time slot.
5103, notify there is data transmission in time slot described in base station.
Base station after receiving the information, corresponding data volume statistics can be carried out again, perform corresponding Power Control and Interference Cancellation operation, it is ensured that the stability and reliability of whole communication system.
5104, notify that no data is sent in time slot described in base station.
Certainly, because now no data is sent, do not have an impact to whole communication system, therefore base station can not also be notified, base station carries out power control regulation according to original predefined pattern.
Judged by the signal interference ratio to this kind of time slot so that it is determined that whether there is data transfer in time slot, the perfect blank of existing scheme, the data in time slot during can be achieved not sending data to CPC are detected, it is ensured that the Stability and dependability of communication system.
Fig. 2 is refer to, is the schematic flow sheet of the second embodiment of detection method, in the present embodiment, the described method comprises the following steps：
S201, maximum-ratio combing processing is made to the symbol in time slot, obtains the symbol after maximum-ratio combing.Specifically, the time slot of data is not sent in the discontinuous transmission that the time slot is up DPCCH in CPC.
Maximum-ratio combing processing is made to the symbol in time slot, the symbol after maximum-ratio combing is obtained, can be calculated by equation below：
/=1 dIf is wherein, ^ is the symbol after maximum-ratio combing, is the fading factor of i-th of symbol on the 1st article of RX path, and χ is i-th of primary signal that transmitting terminal is sent, it is mid-frequency noise energy for the white complex gaussian noise being superimposed on i-th symbol on the 1st article of RX path.
Specifically, i-th of symbol 3^=^+" on the 1st article of RX path/, be that average is that 0 variance is2White complex gaussian noise, usually, herein σ be equal to 1.Carry out the symbol after maximum-ratio combing：
Carry out maximum-ratio combing be in order to receive more preferable signal quality, certainly, in addition to the mode of maximum-ratio combing, we can also use other any appropriate class maximum-ratio combings for improving received signal quality method.
S202, according to it is described most：
The average amplitude of frequency pilot sign in time slot.
Specifically, according to it is described most：
The average amplitude of the frequency pilot sign in time slot is stated, is calculated:
Wherein, m is the average amplitude of the frequency pilot sign in the time slot, is the symbol after the maximum-ratio combing, and N is the pilot number used in the time slot.
S203, according to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, calculates the signal interference ratio of the time slot.
Specifically, according to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated, is calculated by equation below：
Wherein, SIR is the signal interference ratio of the time slot, is the average noise energy in the time slot(Specifically, average noise energy in the time slot2For：
N L N L
∑∑\ h
2 _ Shang=1 1=1
'if ) "if
S204, judges whether the signal interference ratio reaches predetermined threshold value, if so, then performing step S205, otherwise performs step S206.
Specifically, judge whether the signal interference ratio reaches predetermined threshold value, including：
Judge whether the signal interference ratio of current time slots reaches predetermined threshold value；Or
Judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in current time slots and both frequency pilot signs at least previous time slot is obtained reaches predetermined threshold value.
If the sequence number n of time slot is 1 to 3 remainder results, judge whether the signal interference ratio of n-th of time slot reaches predetermined threshold value；
If the sequence number n of time slot is 2 to 3 remainder results, judge whether signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and both frequency pilot signs in (n-1)th time slot is obtained reaches default
Threshold value；
If the sequence number n of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；
Wherein, do not sent online in the period of data forever at each, time slot is sorted since 1 respectively and obtains the sequence number n of time slot, and n is the integer more than or equal to 1.
Specifically, if the sequence number n of time slot is to 3, according to formula：
The draw amplitude w that obtains frequency pilot sign in n-th of time slot and the is calculated respectivelynThe average amplitude ^ of frequency pilot sign in-l time slots, then pass through formula：
、ι
The average noise energy in the average noise energy and (n-1)th time slot in the η time slot is calculated respectively, finally by formula： m、 + m.
Carry out coherent accumulation and obtain the synthesis signal interference ratio of two time slots, and judge whether the synthesis signal interference ratio reaches predetermined threshold value；
If the sequence number η of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in the η time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；
Calculation herein to the average amplitude coherent accumulation of the frequency pilot sign in three time slots is similar to the calculation of the average amplitude coherent accumulation of the above-mentioned frequency pilot sign in two time slots, repeats no more.
5205, notify there is data transmission in time slot described in base station.
5206, notify that no data is sent in time slot described in base station.
In the present embodiment, a kind of method that signal interference ratio accumulation result according to related time-slot is judged is given, remains to complete to such time slot in the case where business datum amount is especially small and the service request time is especially short
Detection, reduce loss, improve the precision and accuracy of detection.
Fig. 3 is refer to, is the composition schematic diagram of the first embodiment of detection means of the present invention, in the present embodiment, described device includes：Computing unit 100 and judging unit 200.
The computing unit 100 is used for the signal interference ratio for calculating time slot；
The judging unit 200 is used to judge whether the signal interference ratio reaches predetermined threshold value；If so, then notifying there is data transmission in time slot described in base station.
Fig. 4 is refer to, is the composition schematic diagram of the second embodiment of detection means of the present invention, in the present embodiment, described device includes：Computing unit 100, judging unit 200 and combining unit 300.
The combining unit 300 is used to make maximum-ratio combing processing to the symbol in time slot, obtains the symbol after maximum-ratio combing；
The computing unit 100 is additionally operable to calculate the average amplitude of the frequency pilot sign in the time slot in the symbol after the maximum-ratio combing and the time slot according to the pilot number used；
According to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated.
The combining unit 300 makees maximum-ratio combing processing to the symbol in time slot, obtains the symbol after maximum-ratio combing, is calculated by equation below：
/=1 dIf is wherein, ^ is the symbol after maximum-ratio combing, is the fading factor of i-th of symbol on the 1st article of RX path, and χ is i-th of primary signal that transmitting terminal is sent, it is mid-frequency noise energy for the white complex gaussian noise being superimposed on i-th symbol on the 1st article of RX path.
The computing unit 100 is according to the pilot tone used in the symbol after the maximum-ratio combing and the time slot
Wherein, m is the average amplitude of the frequency pilot sign in the time slot, is the symbol after the maximum-ratio combing, and N is the pilot number used in the time slot.
The computing unit 100 calculates the signal interference ratio of the time slot, calculated by equation below according to the average noise energy in the average amplitude and the time slot of the frequency pilot sign：
Wherein, SIR is the signal interference ratio of the time slot, is the average noise energy in the time slot.
The computing unit 100 is additionally operable to be added up the signal interference ratio of the signal interference ratio of current time slots and at least previous time slot；
The judging unit 200 judges whether the signal interference ratio reaches predetermined threshold value, including：
Judge whether the signal interference ratio of current time slots reaches predetermined threshold value；Or
Judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in current time slots and both frequency pilot signs at least previous time slot is obtained reaches predetermined threshold value.
If the sequence number n of time slot is 1 to 3 remainder results, judge whether the signal interference ratio of n-th of time slot reaches predetermined threshold value；
If the sequence number n of time slot is 2 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of both frequency pilot signs in the frequency pilot sign in n-th of time slot and (n-1)th time slot is obtained reaches predetermined threshold value；
If the sequence number n of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；
Wherein, do not sent online in the period of data forever at each, time slot is sorted since 1 respectively and obtains the sequence number n of time slot, and n is the integer more than or equal to 1.
Fig. 5 is refer to, is the composition schematic diagram of the 3rd embodiment of detection means of the present invention, in the present embodiment, described device includes：Processor 400 and the memory 500 being engaged with the processor 400;
The memory 500 is used to store the program that the processor 400 is performed；
The processor 400 is used to perform following steps：
Calculate the signal interference ratio of time slot；
Judge whether the signal interference ratio reaches predetermined threshold value；
If so, then notifying there is data transmission in time slot described in base station.
The processor 400 is additionally operable to：
Maximum-ratio combing processing is made to the symbol in time slot, the symbol after maximum-ratio combing is obtained；
Frequency pilot sign average amplitude；
According to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated.
The processor 400 makees maximum-ratio combing processing to the symbol in time slot, obtains the symbol after maximum-ratio combing, is calculated by equation below：
/=1 dIf is wherein, ^ is the symbol after maximum-ratio combing, and is the fading factor of i-th of symbol on the 1st article of RX path, and χ is i-th of primary signal that transmitting terminal is sent, it is mid-frequency noise energy for the white complex gaussian noise being superimposed on i-th symbol on the 1st article of RX path.
The processor 400 averagely descends formula to calculate according to the frequency pilot sign in the pilot number calculating time slot used in the symbol after the maximum-ratio combing and the time slot：
Wherein, m is the average amplitude of the frequency pilot sign in the time slot, is the symbol after the maximum-ratio combing, and N is the pilot number used in the time slot.
The processor 400 calculates the signal interference ratio of the time slot, calculated by equation below according to the average noise energy in the average amplitude and the time slot of the frequency pilot sign：
|2
m
SIR
S2Wherein, SIR is the signal interference ratio of the time slot,2For the average noise energy in the time slot.
The processor 400 judges whether the signal interference ratio reaches predetermined threshold value, including：
Judge whether the signal interference ratio of current time slots reaches predetermined threshold value；Or
Judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in current time slots and both frequency pilot signs at least previous time slot is obtained reaches predetermined threshold value.
If the sequence number n of time slot is 1 to 3 remainder results, judge whether the signal interference ratio of n-th of time slot reaches predetermined threshold value；
If the sequence number n of time slot is 2 to 3 remainder results, frequency pilot sign in n-th of time slot and the are judged
Whether the signal interference ratio that the average amplitude coherent accumulation of both frequency pilot signs in n-1 time slot is obtained reaches predetermined threshold value；
If the sequence number n of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；
Wherein, do not sent online in the period of data forever at each, time slot is sorted since 1 respectively and obtains the sequence number n of time slot, and n is the integer more than or equal to 1.
It should be noted that each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be between the difference with other embodiments, each embodiment identical similar part mutually referring to.For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
By the description of above-described embodiment, the present invention has advantages below：
After being calculated and being contrasted with predetermined threshold value by the signal interference ratio of the time slot to not sending data in up DPCCH discontinuous transmission in CPC, it can determine whether to whether there is data transfer in such time slot, solve no related detecting method and cause the problem of communication system Stability and dependability is poor；Judged according to the signal interference ratio accumulation result of related time-slot, can and the service request time especially small in business datum amount it is especially short in the case of remain to complete the detection to such time slot, reduce loss, improve the precision and accuracy of detection.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, computer program is can be by instruct the hardware of correlation to complete, described program can be stored in a computer read/write memory medium, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic disc, CD, read-only memory（Read-Only Memory, abbreviation ROM) or random access memory（Random Access Memory, abbreviation RAM) etc..
Above disclosure is only preferred embodiment of present invention, can not limit the interest field of the present invention, therefore the equivalent variations made according to the claims in the present invention with this certainly, still belongs to the scope that the present invention is covered.
Claims (14)
- Claim1st, a kind of detection method, it is characterised in that including：Calculate the signal interference ratio of time slot；Judge whether the signal interference ratio reaches predetermined threshold value；If so, then notifying there is data transmission in time slot described in base station.2nd, the method as described in claim 1, it is characterised in that calculate the signal interference ratio of time slot, including：Maximum-ratio combing processing is made to the symbol in time slot, the symbol after maximum-ratio combing is obtained；Frequency pilot sign average amplitude；According to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated.3rd, method as claimed in claim 2, it is characterised in that make maximum-ratio combing processing to the symbol in time slot, obtains the symbol after maximum-ratio combing, is calculated by equation below：/=1 dIf is wherein, ^ is the symbol after maximum-ratio combing, is the fading factor of i-th of symbol on the 1st article of RX path, and χ is i-th of primary signal that transmitting terminal is sent, it is mid-frequency noise energy for the white complex gaussian noise being superimposed on i-th symbol on the 1st article of RX path.4th, method as claimed in claim 3, it is characterised in that the average amplitude of the frequency pilot sign in the time slot is calculated according to the pilot number used in the symbol after the maximum-ratio combing and the time slot, is calculated by equation below： Wherein, m is the average amplitude of the frequency pilot sign in the time slot, is the symbol after the maximum-ratio combing, and N is the pilot number used in the time slot. 5th, method as claimed in claim 4, it is characterised in that according to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, calculate the signal interference ratio of the time slot, calculated by equation below：|2mWherein, SIR is the signal interference ratio of the time slot to SIR, is the average noise energy in the time slot(6th, the method as described in claim any one of 1-5, it is characterised in that judge whether the signal interference ratio reaches predetermined threshold value, including：Judge whether the signal interference ratio of current time slots reaches predetermined threshold value；OrJudge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in current time slots and both frequency pilot signs at least previous time slot is obtained reaches predetermined threshold value.7th, method as claimed in claim 6, it is characterised in that including：If the sequence number n of time slot is 1 to 3 remainder results, judge whether the signal interference ratio of n-th of time slot reaches predetermined threshold value；If the sequence number n of time slot is 2 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of both frequency pilot signs in the frequency pilot sign in n-th of time slot and (n-1)th time slot is obtained reaches predetermined threshold value；If the sequence number n of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；Wherein, do not sent online in the period of data forever at each, time slot is sorted since 1 respectively and obtains the sequence number n of time slot, and n is the integer more than or equal to 1.8th, a kind of detection means, it is characterised in that including：Computing unit, the signal interference ratio for calculating time slot；Judging unit, for judging whether the signal interference ratio reaches predetermined threshold value；If so, then notifying there is data transmission in time slot described in base station. 9th, device as claimed in claim 8, it is characterised in that described device also includes：Combining unit, for making maximum-ratio combing processing to the symbol in time slot, obtains the symbol after maximum-ratio combing；The computing unit is additionally operable to calculate the average amplitude of the frequency pilot sign in the time slot in the symbol after the maximum-ratio combing and the time slot according to the pilot number used；According to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated.10th, device as claimed in claim 9, it is characterised in that the combining unit is to the symbol r in time slot/=1 dIf is wherein, ^ is the symbol after maximum-ratio combing, is the fading factor of i-th of symbol on the 1st article of RX path, and x is i-th of primary signal that transmitting terminal is sent, it is mid-frequency noise energy for the white complex gaussian noise being superimposed on i-th symbol on the 1st article of RX path.Wherein, m is the average amplitude of the frequency pilot sign in the time slot, is the symbol after the maximum-ratio combing, and N is the pilot number used in the time slot.12nd, device as claimed in claim 11, it is characterised in that the computing unit calculates the signal interference ratio of the time slot, calculated by equation below according to the average noise energy in the average amplitude and the time slot of the frequency pilot sign： Wherein, SIR is the signal interference ratio of the time slot, is the average noise energy in the time slot.13rd, the device as described in claim 8-12, it is characterised in that the computing unit is additionally operable to be added up the signal interference ratio of the signal interference ratio of current time slots and at least previous time slot；The judging unit judges whether the signal interference ratio reaches predetermined threshold value, including：Judge whether the signal interference ratio of current time slots reaches predetermined threshold value；OrJudge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in current time slots and both frequency pilot signs at least previous time slot is obtained reaches predetermined threshold value.14th, device as claimed in claim 13, it is characterised in that including：If the sequence number n of time slot is 1 to 3 remainder results, judge whether the signal interference ratio of n-th of time slot reaches predetermined threshold value；If the sequence number n of time slot is 2 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of both frequency pilot signs in (n-1)th time slot of frequency pilot sign in n-th of time slot is obtained reaches predetermined threshold value；If the sequence number n of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；Wherein, do not sent online in the period of data forever at each, time slot is sorted since 1 respectively and obtains the sequence number n of time slot, and n is the integer more than or equal to 1.15th, a kind of detection means, it is characterised in that including：Processor and the memory being engaged with the processor；The memory is used for the program for storing the computing device;The processor is used to perform following steps：Calculate the signal interference ratio of time slot；Judge whether the signal interference ratio reaches predetermined threshold value； If so, then notifying there is data transmission in time slot described in base station.16th, device as claimed in claim 15, it is characterised in that the processor is additionally operable to：Maximum-ratio combing processing is made to the symbol in time slot, the symbol after maximum-ratio combing is obtained；Frequency pilot sign average amplitude；According to the average noise energy in the average amplitude of the frequency pilot sign and the time slot, the signal interference ratio of the time slot is calculated.17th, device as claimed in claim 16, it is characterised in that the processor makees maximum-ratio combing processing to the symbol in time slot, obtains the symbol after maximum-ratio combing, is calculated by equation below： r/=1 dIf is wherein, ^ is the symbol after maximum-ratio combing, and is the fading factor of i-th of symbol on the 1st article of RX path, and x is i-th of primary signal that transmitting terminal is sent, it is mid-frequency noise energy for the white complex gaussian noise being superimposed on i-th symbol on the 1st article of RX path.18th, device as claimed in claim 17, it is characterised in that the processor calculates the average amplitude of the frequency pilot sign in the time slot according to the pilot number used in the symbol after the maximum-ratio combing and the time slot, is calculated by equation below： Wherein, m is the average amplitude of the frequency pilot sign in the time slot, is the symbol after the maximum-ratio combing, and N is the pilot number used in the time slot.19th, device as claimed in claim 18, it is characterised in that the processor calculates the signal interference ratio of the time slot, calculated by equation below according to the average noise energy in the average amplitude and the time slot of the frequency pilot sign： Wherein, SIR is the signal interference ratio of the time slot, is the average noise energy in the time slot.20th, the device as described in claim any one of 15-19, it is characterised in that the processor judges whether the signal interference ratio reaches predetermined threshold value, including：Judge whether the signal interference ratio of current time slots reaches predetermined threshold value；OrJudge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in current time slots and both frequency pilot signs at least previous time slot is obtained reaches predetermined threshold value.21st, device as claimed in claim 20, it is characterised in that including：If the sequence number n of time slot is 1 to 3 remainder results, judge whether the signal interference ratio of n-th of time slot reaches predetermined threshold value；If the sequence number n of time slot is 2 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of both frequency pilot signs in (n-1)th time slot of frequency pilot sign in n-th of time slot is obtained reaches predetermined threshold value；If the sequence number n of time slot is 0 to 3 remainder results, judge whether the signal interference ratio that the average amplitude coherent accumulation of the frequency pilot sign in n-th of time slot and the frequency pilot sign three in frequency pilot sign and the n-th -2 time slots in (n-1)th time slot are obtained reaches predetermined threshold value；Wherein, do not sent online in the period of data forever at each, time slot is sorted since 1 respectively and obtains the sequence number n of time slot, and n is the integer more than or equal to 1.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/087994 WO2014101167A1 (en) | 2012-12-31 | 2012-12-31 | Detection method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104137599A true CN104137599A (en) | 2014-11-05 |
| CN104137599B CN104137599B (en) | 2018-10-30 |
Family
ID=51019774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280002565.2A Active CN104137599B (en) | 2012-12-31 | 2012-12-31 | A kind of detection method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104137599B (en) |
| WO (1) | WO2014101167A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128002A (en) * | 2006-08-17 | 2008-02-20 | 华为技术有限公司 | A method for asynchronization and synchronization detection of wireless link |
| CN101374038A (en) * | 2007-08-20 | 2009-02-25 | 中兴通讯股份有限公司 | Signal retransmission method for OFDM system based on HARQ technology |
| CN101790204A (en) * | 2010-02-01 | 2010-07-28 | 北京邮电大学 | Relay selection method giving consideration to channel conditions and traffic states in cooperative communication system |
| CN101938837A (en) * | 2009-06-30 | 2011-01-05 | 华为技术有限公司 | Inter-cell interference suppression method and device |
| WO2011123534A1 (en) * | 2010-03-31 | 2011-10-06 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101136666A (en) * | 2006-08-28 | 2008-03-05 | 华为技术有限公司 | Method and apparatus for implementing transmission power control |
| WO2008088374A2 (en) * | 2007-01-12 | 2008-07-24 | Thomson Licensing | Apparatus and method for sensing an atsc signal in low signal-to-noise ratio |
-
2012
- 2012-12-31 WO PCT/CN2012/087994 patent/WO2014101167A1/en active Application Filing
- 2012-12-31 CN CN201280002565.2A patent/CN104137599B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128002A (en) * | 2006-08-17 | 2008-02-20 | 华为技术有限公司 | A method for asynchronization and synchronization detection of wireless link |
| CN101374038A (en) * | 2007-08-20 | 2009-02-25 | 中兴通讯股份有限公司 | Signal retransmission method for OFDM system based on HARQ technology |
| CN101938837A (en) * | 2009-06-30 | 2011-01-05 | 华为技术有限公司 | Inter-cell interference suppression method and device |
| CN101790204A (en) * | 2010-02-01 | 2010-07-28 | 北京邮电大学 | Relay selection method giving consideration to channel conditions and traffic states in cooperative communication system |
| WO2011123534A1 (en) * | 2010-03-31 | 2011-10-06 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014101167A1 (en) | 2014-07-03 |
| CN104137599B (en) | 2018-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2575400B1 (en) | Method, apparatus and terminal for wireless network connection | |
| CN103959867A (en) | Power adjustment method and device | |
| CN108199786A (en) | Transmission power adjustment method and device | |
| CN105873013A (en) | Method and device for selecting operator based on e-SIM () card and mobile terminal | |
| CN103491638B (en) | antenna system and processing method | |
| CN109495880A (en) | Data transmission method and relevant apparatus | |
| EP3476162B1 (en) | Skip-correlation based symmetric carrier sensing with multiple power levels | |
| CN105519019B (en) | A kind of method and device for detecting interference signal | |
| CN106211289B (en) | A kind of method and device of data transmission | |
| CN109150484A (en) | A kind of control information transferring method, relevant apparatus and computer storage medium | |
| CN103200662A (en) | Uplink sending power determining method and user equipment | |
| CN103037424A (en) | Evaluation method and device of the 3rd generation telecommunication (3G) network coverage | |
| CN103378865B (en) | The detection to binary signaling in radio receiver communication | |
| CN102882653A (en) | Channel quality indicator reporting method and user equipment | |
| CN104285478B (en) | A kind of Poewr control method, user equipment, computer program and its storage medium | |
| CN104023368A (en) | Cooperative communication system relay selection method based on node types and positions | |
| CN104137599A (en) | Detection method and device | |
| CN109150783A (en) | A kind of channel estimation methods and device | |
| CN105612792A (en) | Power control method and device | |
| CN110311694A (en) | Communication Jamming control method and Related product | |
| CN103391605B (en) | Transmission power control method and device | |
| CN101568140B (en) | Power detection methods based on discontinuous transmission and base station | |
| CN108234076A (en) | Parameter regulation means and device | |
| CN112532288B (en) | Diversity combining selection method and device for gateway of Internet of things | |
| CN103379610B (en) | For the method and apparatus using double antenna estimation signal-to-noise ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |