CN101365203A - Test method for power control sub-channel in CDMA access system - Google Patents
Test method for power control sub-channel in CDMA access system Download PDFInfo
- Publication number
- CN101365203A CN101365203A CNA200710140124XA CN200710140124A CN101365203A CN 101365203 A CN101365203 A CN 101365203A CN A200710140124X A CNA200710140124X A CN A200710140124XA CN 200710140124 A CN200710140124 A CN 200710140124A CN 101365203 A CN101365203 A CN 101365203A
- Authority
- CN
- China
- Prior art keywords
- power
- awgn generator
- awgn
- sector
- generator
- 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
Images
Classifications
-
- 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
Landscapes
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention discloses a method for measuring a power-control sub-channel in a CDMA system. The method comprises the following steps: connecting a sector to be measured and an access terminal, so as to synthesize the transmission signals of the access terminal with the noise generated by the additive white Gaussian noise, that is, an AWGN generator, through an attenuator; inputting into the radiofrequency input port of the sector to be measured, so that the AWGN generator can be connected to a measuring platform; setting the AWGN generator, so that the noise power spectrum density of the radiofrequency input port of the sector to be measured can reach -84dBm/1.23MHz; establishing a measurement application conversation; opening a link and configuring the negative measurement application protocol of the measurement application, so that the information channel data rate of the negative data accords with 153.6kbps; adjusting the negative link attenuator until the measured packet error rate of the sector to be measured is about 1%; and starting the measuring process of the measuring station, so that the output power of the AWGN generator varies periodically according to the scheduled mode and then recording the number of the power increasing and power decreasing control bit corresponding to the time standard pulse of the input terminal.
Description
Technical field
The present invention relates to the field tests of mobile communication equipment, and particularly, relate to a kind of code division multiple access and insert (Code Division Multiple Access, the CDMA) method of testing of the power control sub-channel in the system.
Background technology
In test protocol " Recommended Minimum Performance Standardsfor cdma2000High Rate Packet Data Access N etwork (C.S0032-0v2.0) ", provide the method for testing of CDMA EVDO system power control subchannel.
As shown in Figure 1, in said method, at first set up test environment, the simulator that accesses terminal control accesses terminal power output according to some cycles rising/decline cyclical-transformation, and record is with respect to the power rising of the simulator time reference pulse appearance that accesses terminal and the quantity of power decline control bit.This method is based on following operation principle: set up connection in case access terminal, then Access Network is based on the measurement to reverse link signal quality, to transmission ' 0 ' (rising) and ' 1 ' (decline) RPC (the Reverse Power Control of accessing terminal, reverse power control) bit, the transmitting power that accesses terminal and access terminal according to each the power control bit adjustment that on the RPC channel, receives.
The detailed process of above-mentioned method of testing is:
(1) connects tested sector and the simulator that accesses terminal by connected mode shown in Figure 1;
(2) AWGN (Additive White Gaussian Noise, additive white Gaussian noise) generator is set, the noise power spectral density of each sector RF input port is reached-84dBm/1.23MHz;
(3) set up a Test Application session, open one and connect and configuration testing application RTAP (Reverse Test Application Protocol, negative testing application protocol), make the reverse data channel data rate meet 153.6kbps;
(4) adjust the simulator power output that accesses terminal, test about 1% PER (Packet Error Ratio) until the sector;
(5) power that starts in the simulator that accesses terminal is controlled test program, and the power output of the simulator that accesses terminal should be by Fig. 2 and mode cyclic variation shown in Figure 3;
(6) record is with respect to the power rising of the simulator time reference pulse appearance that accesses terminal and the quantity of power decline control bit.
In above-mentioned method of testing, its key is to access terminal and must possesses power output according to the above function that requires the periodic cycle conversion.Access terminal and receiving that " starting power control test program " instruction back starts this function, and its transformation period and clock must align with system clock.And in the reality test, comprise that all CDMAEVDO terminals of high pass terminal do not possess above function.Therefore make up when accessing terminal simulator own, must increase other hardware and software is realized this function, so the difficulty of realization and cost are all than higher.
Therefore, need a kind of being easy to realize, and realize the method for testing of the power control sub-channel that cost is relatively low.
Summary of the invention
Consider the above-mentioned problems in the prior art and propose the present invention that for this reason, the present invention aims to provide the method for testing of power control sub-channel in a kind of cdma system.
This method comprises following processing: connect tested sector and access terminal, make transmitting of accessing terminal through being that the noise that produces of AWGN generator is synthetic with additive white Gaussian noise behind the attenuator, be input to the rf inputs mouth of tested sector, and make the AWGN generator be connected to testboard; The AWGN generator is set, and the noise power spectral density that makes the radio frequency of tested sector inject port reaches-84dBm/1.23MHz; Set up the Test Application session, open one and connect and configuration testing application negative testing application protocol, make the reverse data channel data rate meet 153.6kbps; Adjust reverse link attenuator, test about 1% Packet Error Ratio up to tested sector; Start the test program of testboard, make the power output cyclic variation as follows of AWGN generator, and the power that occurs with respect to the time reference pulse that accesses terminal of record rises and the quantity of power decline control bit: the power output of AWGN generator increases by four time slots of wait behind the 13dB, waits for four time slots again after reducing 13dB then.
Wherein, access terminal and be connected to testboard.The AWGN generator is connected with testboard by RCI, and interface mode is network interface or gpib interface; And be connected by the idol second delivery outlet of clock line and tested sector.
Test program via the RCI transmitting control commands of AWGN generator, is provided with the power output of AWGN generator by network or GPIB cable.
In four time slots waiting for, in the quantity of the 3rd time slot recording power rising and power decline control bit.
Particularly, in the periodically variable process of the power output of AWGN generator, comprise following processing: on the basis of initial power, increase 13dB; Wait for two time slots; To the transmitting control commands that accesses terminal, gather power rising and power decline control bit quantity that portable terminal is received by test program in a time slot subsequently; After waiting for a time slot, with the power output minimizing 13dB of AWGN generator; Wait for two time slots; To the transmitting control commands that accesses terminal, gather power rising and power decline control bit quantity that portable terminal is received by test program in a time slot subsequently.
By the present invention, the difficulty that the simulator that accesses terminal in the time of can avoiding measured power control subchannel is realized has reduced the realization cost, has improved testing efficiency.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is according to power control sub-channel test connection diagram in the C.S0032 agreement of correlation technique;
Fig. 2 rises according to power in the C.S0032 agreement of correlation technique to order the schematic diagram of measuring intervals of TIME;
Fig. 3 descends according to power in the C.S0032 agreement of correlation technique to ordering the schematic diagram of measuring intervals of TIME;
Fig. 4 is the power control sub-channel test connection layout according to the embodiment of the invention;
Fig. 5 is the schematic diagram according to the power rising order measuring intervals of TIME of the embodiment of the invention;
Fig. 6 is the schematic diagram according to the power decline order measuring intervals of TIME of the embodiment of the invention; And
Fig. 7 is the flow chart according to the power control sub-channel method of testing of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, provide a kind of method of testing of power control sub-channel.
As shown in Figure 4, by tested sector (base station), forward link attenuator, access terminal, reverse link attenuator, AWGN signal generator (AWGN signal source), and channel power measuring equipment etc. form test loop.Compare with Fig. 1, in the present invention, the position of AWGN generator is changed, by changing into before the attenuator after the attenuator, and be provided with testboard (perhaps being called test background) according to prior art.
Wherein, transmitting of accessing terminal is synthetic through the noise that produces with the AWGN generator behind the attenuator, is input to radio frequency (RF) input port of tested sector.The AWGN generator all is connected to testboard with accessing terminal.Wherein, the AWGN generator is connected with testboard by RCI, and interface mode is network interface or gpib interface; And is connected by the idol second delivery outlet of clock line and tested sector, realize synchronous with the base station system time.
For example, access terminal and can adopt the QTP5500 of Qualcomm, this terminal links to each other with testboard by the usb data interface.The E4436B signal source that adopts Agilent company is as the AWGN signal generator.Before the test, measured the line loss of signal generator to RF input port, sector, be made as L, then the power output of signal generator is set to (84+L) dBm.
In the present invention, be the external time reference of AWGN signal generator with a base station idol second time reference signal, realization is synchronous with the base station system time.The signal generator that has programmable function with software control is the internal clocking benchmark with the base station system clock, and output is according to the periodically variable AWGN signal of Fig. 5, Fig. 6.Base station in response produces power control bit in this Power Conversion.For example, testing software by testboard can control the power output of two AWGN signal sources according to Fig. 5 and periodic cycle shown in Figure 6 variation, promptly, as illustrated in Figures 5 and 6, the power output of AWGN generator is waited for four time slots (Fig. 5) after increasing 13dB, waits for four time slots (Fig. 6) again after reducing 13dB then.
Particularly, as shown in Figure 7, can comprise following processing according to the method for testing of the embodiment of the invention:
Step S702 connects tested sector and accesses terminal in mode shown in Figure 4;
Step S704 is provided with the AWGN generator, and the noise power spectral density that makes the radio frequency of tested sector inject port reaches-84dBm/1.23MHz;
Step S706 sets up a Test Application session, opens one and connects and configuration testing application RTAP, makes the reverse data channel data rate meet 153.6kbps;
Step S708 adjusts reverse link attenuator, tests about 1% PER (Packet Error Ratio) up to tested sector;
Step S710 starts the test program of testboard, makes the power output of AWGN generator by the mode cyclic variation of Fig. 5 and Fig. 6, and the power that occurs with respect to the time reference pulse that accesses terminal of record rises and the quantity of power decline control bit.
Wherein, in step S710, test program via the RCI transmitting control commands of AWGN generator, is provided with the power output of AWGN generator by network or GPIB cable.
In four time slots of above-mentioned wait, in the quantity of the 3rd time slot recording power rising and power decline control bit.Particularly, (84+L) increase 13dB on the basis of dBm at initial power; Wait for two time slots (that is, 10/3 millisecond); By test program by USB mouth data wire to the transmitting control commands that accesses terminal, gather the power that portable terminal receives and rise and power decline control bit quantity in a time slot subsequently; After waiting for a time slot, with the power output minimizing 13dB of AWGN generator; Wait for two time slots; To the transmitting control commands that accesses terminal, gather power rising and power decline control bit quantity that portable terminal is received by test program in a time slot subsequently.
Like this, testboard is by this rule periodically-varied signal source power output, and the rising of acquisition terminal reception and the power control bit amount of decline.Behind the EOT, the rising that the statistics terminal receives and the power control bit sum and the proportion of decline.
By the present invention, when the power output of AWGN signal source increases 13dB, make reverse link signal quality descend, be equivalent to the reverse link Eb/NO of antenna for base station mouth interface when accessing terminal transmitting power decline 13dB.Therefore, the power output that changes the AWGN signal generator with periodic cycle is treated the access terminal transmitting power of simulator of its periodic variation, with lower cost with realize that difficulty has realized same effect.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the method for testing of power control sub-channel in the CDMA access system is characterized in that, comprises following processing:
Connect tested sector and access terminal, make described transmitting through being that the noise that produces of AWGN generator is synthetic behind the attenuator of accessing terminal with additive white Gaussian noise, be input to the rf inputs mouth of described tested sector, and make the AWGN generator be connected to testboard;
Described AWGN generator is set, and the noise power spectral density that makes the radio frequency of described tested sector inject port reaches-84dBm/1.23MHz;
Set up the Test Application session, open one and connect and configuration testing application negative testing application protocol, make the reverse data channel data rate meet 153.6kbps;
Adjust reverse link attenuator, test about 1% Packet Error Ratio up to described tested sector;
Start the test program of described testboard, make the power output cyclic variation as follows of described AWGN generator, and the power that occurs with respect to the described time reference pulse that accesses terminal of record rises and the quantity of power decline control bit: the power output of described AWGN generator increases by four time slots of wait behind the 13dB, waits for four time slots again after reducing 13dB then.
2. method of testing according to claim 1 is characterized in that, described accessing terminal is connected to described testboard.
3. method of testing according to claim 1 is characterized in that, described AWGN generator is connected with described testboard by RCI, and interface mode is network interface or gpib interface; And be connected by the idol second delivery outlet of clock line and described tested sector.
4. method of testing according to claim 1 is characterized in that, described test program via the RCI transmitting control commands of described AWGN generator, is provided with the power output of described AWGN generator by network or GPIB cable.
5. method of testing according to claim 1 is characterized in that, in described four time slots of waiting for, writes down the quantity of described power rising and power decline control bit at the 3rd time slot.
6. method of testing according to claim 5 is characterized in that, in the periodically variable process of the power output of described AWGN generator, comprises following processing:
On the basis of initial power, increase 13dB;
Wait for two time slots;
To the described transmitting control commands that accesses terminal, gather power rising and power decline control bit quantity that described portable terminal is received by described test program in a time slot subsequently;
After waiting for a time slot, with the power output minimizing 13dB of described AWGN generator;
Wait for two time slots;
To the described transmitting control commands that accesses terminal, gather power rising and power decline control bit quantity that described portable terminal is received by described test program in a time slot subsequently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710140124XA CN101365203B (en) | 2007-08-06 | 2007-08-06 | Test method for power control sub-channel in CDMA access system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710140124XA CN101365203B (en) | 2007-08-06 | 2007-08-06 | Test method for power control sub-channel in CDMA access system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101365203A true CN101365203A (en) | 2009-02-11 |
| CN101365203B CN101365203B (en) | 2011-11-30 |
Family
ID=40391280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710140124XA Expired - Fee Related CN101365203B (en) | 2007-08-06 | 2007-08-06 | Test method for power control sub-channel in CDMA access system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101365203B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977393A (en) * | 2010-10-29 | 2011-02-16 | 中兴通讯股份有限公司 | Received signal quality indicator (RSQI) testing method and device |
| CN103533156A (en) * | 2013-07-29 | 2014-01-22 | 共青城赛龙通信技术有限责任公司 | Power forced sending method and system of high pass platform mobile phone |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6748234B1 (en) * | 2000-11-21 | 2004-06-08 | Qualcomm Incorporated | Method and apparatus for power control in a wireless communication system |
| US7184713B2 (en) * | 2002-06-20 | 2007-02-27 | Qualcomm, Incorporated | Rate control for multi-channel communication systems |
| US7508748B2 (en) * | 2003-10-24 | 2009-03-24 | Qualcomm Incorporated | Rate selection for a multi-carrier MIMO system |
-
2007
- 2007-08-06 CN CN200710140124XA patent/CN101365203B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977393A (en) * | 2010-10-29 | 2011-02-16 | 中兴通讯股份有限公司 | Received signal quality indicator (RSQI) testing method and device |
| WO2012055262A1 (en) * | 2010-10-29 | 2012-05-03 | 中兴通讯股份有限公司 | Method and device for testing received signal quality indicator |
| CN103533156A (en) * | 2013-07-29 | 2014-01-22 | 共青城赛龙通信技术有限责任公司 | Power forced sending method and system of high pass platform mobile phone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101365203B (en) | 2011-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100971565B1 (en) | Suppression of interferences between cells | |
| US9883460B2 (en) | Method and apparatus for power control in a wireless communication system | |
| CN101790191B (en) | Method for improving reconfiguration procedure for scheduling request and communication device | |
| CN100546401C (en) | Realize TD-SCDMA RF front-end full duplex testing apparatus and method | |
| WO2018202169A1 (en) | Power control method and device | |
| EP3681206A1 (en) | User equipment involved in power saving | |
| US20080274726A1 (en) | Testing a Receiver of Wireless Messaging Device | |
| CN101365203B (en) | Test method for power control sub-channel in CDMA access system | |
| CN101068120B (en) | Maximum transmission power testing device and method | |
| EP1641144B1 (en) | Using power of a pilot channel to control output power from a transmitter | |
| CN102801482B (en) | Device, method and system for dynamic range adjustment for channel simulation system | |
| EP2530968B1 (en) | Method for testing a device bound to be inserted in a mobile terminal, as well as corresponding system, device and computer program product | |
| CN102724000A (en) | Occupied bandwidth test system and method | |
| CN203289453U (en) | Automatic radio frequency testing system for WCDMA terminal | |
| CN102170690A (en) | A gain control method of a WCDMA radio remote unit | |
| CN111917421B (en) | 5G signal radio frequency conversion distribution system and coverage unit air interface synchronization method thereof | |
| CN108809560A (en) | Preposition demodulated reference signal configuration method, network side equipment and terminal | |
| CN101146310B (en) | A method for testing inter-carrier interference influence on CDMA system capacity | |
| CN100361458C (en) | Method for testing wireless network device | |
| CN204652671U (en) | A kind of RF consistency testing system of LTE terminal | |
| WO2024066345A1 (en) | Spectrum resource allocation method in ccfd system, and network device | |
| CN101754250B (en) | Channel measuring method and system | |
| Lv et al. | Research of Mining High Power 802.11 n Access Point | |
| CN103581962B (en) | A kind of method, apparatus and system that down control channel is detected | |
| CN111130949A (en) | Testing device, and WIFI wireless router testing method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20160806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |