WO2002041528A1 - An apparatus and method for load monitoring and prediction - Google Patents
An apparatus and method for load monitoring and prediction Download PDFInfo
- Publication number
- WO2002041528A1 WO2002041528A1 PCT/CN2001/001162 CN0101162W WO0241528A1 WO 2002041528 A1 WO2002041528 A1 WO 2002041528A1 CN 0101162 W CN0101162 W CN 0101162W WO 0241528 A1 WO0241528 A1 WO 0241528A1
- Authority
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- WIPO (PCT)
- Prior art keywords
- load
- service
- services
- unit
- monitoring
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/26—Monitoring; Testing of receivers using historical data, averaging values or statistics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
- H04B17/3913—Predictive models, e.g. based on neural network models
Definitions
- the present invention relates to a CDMA (Code Division Multiple Access) cellular mobile communication system, and in particular, to an apparatus and method for implementing multi-service load monitoring and prediction in the system.
- CDMA Code Division Multiple Access
- the actual capacity of a cell (that is, the wireless load capacity of the cell) will change due to changes in the interference strength of the adjacent cell.
- the burst nature of data services due to the burst nature of data services, interference from neighboring cells will cause the actual load capacity of the cell to change drastically.
- accurately monitoring the current load of the cell and accurately predicting the change in cell load after new services are accessed are the prerequisites to fully utilize wireless resources and ensure communication quality.
- Patent document US5687171 discloses a wireless load monitoring method in a CDMA cellular mobile communication system. The load is monitored from the perspective of admission control. The basic steps are:
- Load monitoring and forecasting are the basis of admission control.
- the patent does not cover how to perform multi-service load monitoring and calculation of interference generated by new access services. Therefore, the patent lacks an implemented technical solution.
- Patent documents US6005852 and US5790534 disclose two patent applications filed by Nokia Corporation for the same technical solution.
- Its load control system is composed of load control and load monitoring.
- the load monitoring unit provides the load control unit in real time (the maximum measurement interval is 10ms to provide the load situation of the cell, and the load control unit takes the output of the load monitoring unit as the basis and combines the load conditions of neighboring cells) to implement the load control strategy (such Admission control, re-negotiation of Q0S, increase of data service delay, etc.).
- the base station verifies the current capacity of the cell (that is, the actual capacity of the base station under interference conditions, which can be expressed by the service code rate or the interference power).
- the load monitoring module uses the frame as a cycle. Calculate the interference power of the data service allowed in the cell. If the interference of the circuit service or the interference of the neighboring cell changes, adjust the packet service load of the cell.
- the purpose of the present invention is to provide a device and method for monitoring and predicting multi-service load in a CDMA cellular mobile communication system, so as to monitor the load of different priority services of different types or the same type of services in real time, and predict various The load of the new access service is to fully utilize wireless resources to ensure system stability and improve communication quality.
- a device for monitoring and predicting multi-service load includes: a received signal strength measurement unit that measures total interference power received by an external receiver and eliminates the measured value Jitter processing; parameter statistics unit, which calculates some service parameters related to load monitoring and prediction according to the contents of the external service report storage unit, and provides data necessary for load monitoring calculation; the load monitoring unit, according to the received signal strength Load monitoring calculations are performed on the measurement values of the measurement unit and the statistical results of the parameter statistics unit to obtain the calculation results; the load prediction unit calculates according to the new service request parameters from the external load control unit and the calculation results transmitted by the load monitoring unit in real time. Uplink load increase after new service access and after new service access The total load value, the result of which is used by the load control unit.
- a method for implementing multi-service load monitoring includes the following steps: starting a working of a received signal strength measurement unit; judging whether a certain time has been reached: if not, continuing to wait; if reaching , Then go to the next step; classify and statistic the parameters of various services; enter the measured value of the received signal strength; calculate the load of different signal-to-interference ratio services according to the prescribed formula, and calculate the corresponding equivalent interference power value; statistics Loads of different types of services and loads of services of different priorities in the same type of service; The calculation results of the first two steps are saved for load control and load prediction; the above process is repeated to obtain the next calculation result.
- a method for monitoring and predicting multi-service load includes the following steps: starting a work of a received signal strength measurement unit; judging whether a certain time has been reached: if not, continuing to wait; If it reaches, then go to the next step; classify and statistic the parameters of various services; enter the measured value of the received signal strength; calculate the load of different signal-to-interference ratio services according to the prescribed formula, and calculate the corresponding equivalent interference power value Calculate the load of different types of services and the load of different priority services in the same type of service; Save the calculation results of the first two steps for load control and load prediction; Repeat the above process to obtain the next calculation result; At the same time, continuously judge Is there a new service requesting access: If not, continue to judge the previous step in real time; if there is, proceed to the next step; enter the current equivalent interference power value; enter new service parameters; calculate the new according to the prescribed formula Business load and new business connection After receiving the value of the signal intensity; save calculation result
- the service parameters include a received signal strength indication value, a transmission code rate, a spreading factor, a signal-to-interference ratio, and a service priority.
- the method of counting the load of different types of services and the loads of different priority services in the same type of service is: Calculate the interference power of different services according to the prescribed equations; The priority order adds the interference powers of the same priority services; the total load of each priority service is obtained.
- FIG. 1 is a structural functional block diagram of a load monitoring and prediction device of the present invention
- FIG. 3 is a flowchart of a load monitoring and prediction method according to the present invention.
- FIG. 4 is a schematic diagram of statistical calculation of different types and different priorities of service loads. The best embodiment of the present invention
- the monitoring value of the received signal strength indicator should be a real physical quantity (including measurement error), which is required to ensure system stability;
- the predicted value of the received signal strength indication (RSSI) after the new service is accessed should be a real physical quantity (including measurement error), which is required to ensure system stability;
- FIG. 1 shows the structure of the load monitoring and prediction device 100 and the connection between the device and other functional units in the cellular mobile communication system (these functional units may be located in different subsystems of the cellular mobile communication system).
- the base station antenna 101 in FIG. 1 may be omnidirectional or sector-based; the antenna multiplexer 102 plays a role of transmitting and receiving isolation; the transmitter 103 in the base station sends various control signals to the mobile station.
- the channel processing unit 104 includes uplink channel processing and downlink channel processing; the load control unit 105 implements various load control functions (the load control described in the present invention includes admission control, cell breathing, congestion control, etc.) functions;
- the receiver 106 is composed of a radio frequency processing unit and a related demodulator; a service report storage unit 107 stores service characteristic parameters (such as a transmission code rate, an encoding format, a signal-to-interference ratio, a priority, and a spreading factor, etc.) of various services, and The storage content is refreshed in real time according to the change of business characteristic parameters.
- service characteristic parameters such as a transmission code rate, an encoding format, a signal-to-interference ratio, a priority, and a spreading factor, etc.
- the load monitoring and prediction device 100 is composed of four parts: an RSSI measurement unit 108, a load monitoring unit 109, a parameter statistics unit 110, and a load prediction unit 111. These functional units can be distributed in different subsystems of the cellular mobile communication system according to the needs of system implementation. in. Among them, the RSSI measuring unit 108 measures the total interference power (at the input port of the demodulator) received by the receiver 106, and processes the measured values to eliminate the jitter of the measured values. The parameter statistics unit 110 stores the measured values according to the service report.
- the content of unit 107 performs statistics on some service parameters (such as transmission code rate, spreading factor, SIR value, and service priority) related to load monitoring and prediction, and provides necessary data for load monitoring unit to perform load monitoring operations; load monitoring Unit 109 performs load monitoring calculations based on the measured values of RSSI measurement unit 108 and the statistical results of parameter statistics unit 110.
- the algorithm flow of 109 is shown in Figure 3, and the load statistics calculation structure of 109 is shown in Figure 2.
- the load prediction unit is According to the new service request parameters from the load control unit 105 and the output of the load monitoring unit 109 at that time, the uplink load increase after the new service access and the total load value after the new service access are calculated. The calculation results are provided for Used by the load control unit 105.
- Step 304 in the figure is based on the calculation requirements of steps 306 and 307, and statistics and processes the data in the service report storage unit 107, such as the transmission code rate, the spreading factor, the SIR value, and the service priority.
- the relative values of the service loads are obtained. It has been pointed out earlier that this can avoid the difficulties in solving the absolute load value (the absolute interference power value needs to be obtained, which increases the complexity of the system and Difficult to implement), and can meet the needs of load control strategies.
- the prediction is performed with a period of 10 ms. Due to the short time interval, the change in interference from other cells is small. Therefore, it can be considered that the value of N will not change in the next 10 ms.
- the dead;, ⁇ 2, ... dead ⁇ , ⁇ , and v values are substituted into the formula ( ⁇ + 1), the predicted value can be obtained within a 10ms the RSSI.
- the signal-to-interference ratio equation solving output unit 201 includes a set of load values obtained by solving each of the signal-to-interference ratio equations.
- Each of the set of load values may be a combination of loads of different types and different priorities of services. It may also correspond to the load of multiple users; at the same time, the service load of the same user may also be included in the solution results of multiple signal-to-interference ratio equations. Therefore, in order to be able to perform statistics on the service load in various situations, a matrix-type statistical calculation structure shown in FIG.
- the same user may establish multiple service connections at the same time (for example, a multimedia user may simultaneously transmit three services: voice, data, and video. These services can use different signal-to-interference ratios, different priorities, and different Bit rate), in order to obtain the load of the user, further statistics may be made on the results in 202.
- Industrial applicability can use different signal-to-interference ratios, different priorities, and different Bit rate, in order to obtain the load of the user, further statistics may be made on the results in 202.
- the present invention makes full use of wireless resources under multi-service (voice, data, video) conditions, and accurately monitors the load of different types of services with different priorities (if the load is heavy, a new priority is higher) Service request access, adopting a strategy of interrupting existing services with a low priority to access new services), and accurately predicting the load of the service requesting access, effectively implementing a load control (or flow control) strategy Provide the current load values of different types of services and different priority services in the same type of services, so as to ensure the communication quality and maintain the stability of the system.
- a load control or flow control
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002212063A AU2002212063A1 (en) | 2000-10-19 | 2001-07-09 | An apparatus and method for load monitoring and prediction |
EP01980137.2A EP1335505B1 (en) | 2000-10-19 | 2001-07-09 | An apparatus and method for load monitoring and prediction |
ES01980137.2T ES2523650T3 (es) | 2000-10-19 | 2001-07-09 | Un aparato y método para realizar la supervisión y predicción de carga |
US10/417,562 US7099674B2 (en) | 2000-10-19 | 2003-04-17 | Apparatus and method for implementing multi-traffic load monitoring and prediction |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB001257277A CN1135746C (zh) | 2000-10-19 | 2000-10-19 | Cdma蜂窝移动通信系统中多业务负载监测和预测的装置及其计算方法 |
CN00125727.7 | 2000-10-19 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/417,562 Continuation US7099674B2 (en) | 2000-10-19 | 2003-04-17 | Apparatus and method for implementing multi-traffic load monitoring and prediction |
Publications (1)
Publication Number | Publication Date |
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WO2002041528A1 true WO2002041528A1 (en) | 2002-05-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2001/001162 WO2002041528A1 (en) | 2000-10-19 | 2001-07-09 | An apparatus and method for load monitoring and prediction |
Country Status (7)
Country | Link |
---|---|
US (1) | US7099674B2 (zh) |
EP (2) | EP1335505B1 (zh) |
CN (1) | CN1135746C (zh) |
AU (1) | AU2002212063A1 (zh) |
ES (1) | ES2523650T3 (zh) |
RU (1) | RU2277300C2 (zh) |
WO (1) | WO2002041528A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004043088A2 (en) * | 2002-10-31 | 2004-05-21 | Qualcomm Incorporated | Resource allocation in a wireless communication system |
US8254279B2 (en) | 2007-04-24 | 2012-08-28 | Qualcomm Incorporated | Estimation of thermal noise and rise-over-thermal in a wireless communication system |
US8515466B2 (en) | 2007-02-16 | 2013-08-20 | Qualcomm Incorporated | Scheduling based on rise-over-thermal in a wireless communication system |
US8744465B2 (en) | 2005-06-16 | 2014-06-03 | Qualcomm Incorporated | Resource allocation method in a communication system |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7274684B2 (en) * | 2001-10-10 | 2007-09-25 | Bruce Fitzgerald Young | Method and system for implementing and managing a multimedia access network device |
US7072634B2 (en) * | 2002-03-26 | 2006-07-04 | The Boeing Company | Method and apparatus for avoiding self-interference in a mobile network |
US7447506B1 (en) * | 2002-03-29 | 2008-11-04 | Good Technology, Inc. | Apparatus and method for reducing network congestion |
EP1661279B1 (en) | 2003-03-12 | 2011-01-26 | Interdigital Technology Corporation | System and method for received channel power indicator (rcpi) measurement |
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US6958982B2 (en) * | 2003-07-16 | 2005-10-25 | Interdigital Technology Corporation | Method and apparatus for storing mobile station physical measurements and MAC performance statistics in a management information base of an access point |
AU2003267894A1 (en) * | 2003-09-30 | 2005-04-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Performance management of cellular mobile packet data networks |
CN1301626C (zh) * | 2004-05-10 | 2007-02-21 | 中兴通讯股份有限公司 | 一种对移动交换中心进行系统负荷控制的方法 |
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US8369341B2 (en) * | 2005-01-18 | 2013-02-05 | Mitsubishi Electric Corporation | Multiplexing apparatus and receiving apparatus |
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US7899463B2 (en) * | 2005-02-16 | 2011-03-01 | Nokia Corporation | Communication resource control enhancing time-based frequency reuse |
US7668530B2 (en) | 2005-04-01 | 2010-02-23 | Adaptix, Inc. | Systems and methods for coordinating the coverage and capacity of a wireless base station |
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US20100246634A9 (en) * | 2007-05-01 | 2010-09-30 | Broadcom Corporation | Acquisition of spreading factors (SFS) of multiple transmitted signals in code division multiple access system |
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US8467735B2 (en) * | 2009-03-23 | 2013-06-18 | Apple Inc. | Methods and apparatus for testing and integration of modules within an electronic device |
US20120140669A1 (en) * | 2009-08-29 | 2012-06-07 | Xiaoling Wang | Method and arrangement for testing of a capacity of a communication network |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5687171A (en) * | 1995-05-12 | 1997-11-11 | Electronics And Telecommunications Research Institute | Device and method for allocating radio channels in a CDMA system |
CN1214182A (zh) * | 1996-12-27 | 1999-04-14 | Ntt移动通信网株式会社 | Cdma移动通信系统的呼叫接收控制方法及其移动站装置 |
US5907543A (en) * | 1996-04-24 | 1999-05-25 | Electronics And Telecommunications Research Institute | Method for allocating a call in a CDMA base station |
US6005852A (en) * | 1996-09-20 | 1999-12-21 | Nokia Mobile Phones Limited | Load control method and apparatus for CDMA cellular system having circuit and packet switched terminals |
CN1246995A (zh) * | 1996-10-11 | 2000-03-08 | 埃瑞康姆公司 | 蜂窝通信系统中信道分配的自适应法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5465289A (en) * | 1993-03-05 | 1995-11-07 | E-Systems, Inc. | Cellular based traffic sensor system |
SE9403586L (sv) * | 1994-10-20 | 1996-04-21 | Telia Ab | Metod och anordning för övervakning av företrädesvis mobiltelefonsystem |
JP2809273B2 (ja) * | 1996-06-25 | 1998-10-08 | 日本電気株式会社 | 移動通信システム |
US5859838A (en) * | 1996-07-30 | 1999-01-12 | Qualcomm Incorporated | Load monitoring and management in a CDMA wireless communication system |
WO1998052288A1 (en) * | 1997-05-16 | 1998-11-19 | Motorola Inc. | Method and apparatus for estimating capacity in a communication system |
SE521227C2 (sv) * | 1999-02-22 | 2003-10-14 | Ericsson Telefon Ab L M | Mobilradiosystem och ett förfarande för kanallokering i ett mobilradiosystem |
US6456850B1 (en) * | 1999-08-17 | 2002-09-24 | Lucent Technologies Inc. | Method for preventing overload conditions in communication systems |
US6973622B1 (en) * | 2000-09-25 | 2005-12-06 | Wireless Valley Communications, Inc. | System and method for design, tracking, measurement, prediction and optimization of data communication networks |
CN1156180C (zh) * | 2000-10-02 | 2004-06-30 | 株式会社Ntt都科摩 | 通信系统及其资源分配方法 |
US20040185786A1 (en) * | 2001-04-25 | 2004-09-23 | Ramin Mirbaha | Quality of service state predictor for and advanced mobile devices |
-
2000
- 2000-10-19 CN CNB001257277A patent/CN1135746C/zh not_active Expired - Lifetime
-
2001
- 2001-07-09 EP EP01980137.2A patent/EP1335505B1/en not_active Expired - Lifetime
- 2001-07-09 WO PCT/CN2001/001162 patent/WO2002041528A1/zh active Application Filing
- 2001-07-09 AU AU2002212063A patent/AU2002212063A1/en not_active Abandoned
- 2001-07-09 ES ES01980137.2T patent/ES2523650T3/es not_active Expired - Lifetime
- 2001-07-09 RU RU2003114431/09A patent/RU2277300C2/ru active
- 2001-07-09 EP EP14165001.0A patent/EP2757713A1/en not_active Withdrawn
-
2003
- 2003-04-17 US US10/417,562 patent/US7099674B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5687171A (en) * | 1995-05-12 | 1997-11-11 | Electronics And Telecommunications Research Institute | Device and method for allocating radio channels in a CDMA system |
US5907543A (en) * | 1996-04-24 | 1999-05-25 | Electronics And Telecommunications Research Institute | Method for allocating a call in a CDMA base station |
US6005852A (en) * | 1996-09-20 | 1999-12-21 | Nokia Mobile Phones Limited | Load control method and apparatus for CDMA cellular system having circuit and packet switched terminals |
CN1246995A (zh) * | 1996-10-11 | 2000-03-08 | 埃瑞康姆公司 | 蜂窝通信系统中信道分配的自适应法 |
CN1214182A (zh) * | 1996-12-27 | 1999-04-14 | Ntt移动通信网株式会社 | Cdma移动通信系统的呼叫接收控制方法及其移动站装置 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004043088A2 (en) * | 2002-10-31 | 2004-05-21 | Qualcomm Incorporated | Resource allocation in a wireless communication system |
WO2004043088A3 (en) * | 2002-10-31 | 2004-07-29 | Qualcomm Inc | Resource allocation in a wireless communication system |
US7839882B2 (en) | 2002-10-31 | 2010-11-23 | Qualcomm Incorporated | Resource allocation in a wireless communication system |
US8744465B2 (en) | 2005-06-16 | 2014-06-03 | Qualcomm Incorporated | Resource allocation method in a communication system |
US8515466B2 (en) | 2007-02-16 | 2013-08-20 | Qualcomm Incorporated | Scheduling based on rise-over-thermal in a wireless communication system |
US8254279B2 (en) | 2007-04-24 | 2012-08-28 | Qualcomm Incorporated | Estimation of thermal noise and rise-over-thermal in a wireless communication system |
Also Published As
Publication number | Publication date |
---|---|
EP1335505A1 (en) | 2003-08-13 |
EP1335505B1 (en) | 2014-09-10 |
RU2277300C2 (ru) | 2006-05-27 |
CN1135746C (zh) | 2004-01-21 |
US20040048587A1 (en) | 2004-03-11 |
EP2757713A1 (en) | 2014-07-23 |
CN1350374A (zh) | 2002-05-22 |
EP1335505A4 (en) | 2007-09-26 |
ES2523650T3 (es) | 2014-11-28 |
AU2002212063A1 (en) | 2002-05-27 |
US7099674B2 (en) | 2006-08-29 |
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