WO2014101204A1 - Procédé de planification de données, dispositif et station de base - Google Patents

Procédé de planification de données, dispositif et station de base Download PDF

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Publication number
WO2014101204A1
WO2014101204A1 PCT/CN2012/088080 CN2012088080W WO2014101204A1 WO 2014101204 A1 WO2014101204 A1 WO 2014101204A1 CN 2012088080 W CN2012088080 W CN 2012088080W WO 2014101204 A1 WO2014101204 A1 WO 2014101204A1
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WIPO (PCT)
Prior art keywords
communication system
data scheduling
scheduling period
interference
standard communication
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PCT/CN2012/088080
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English (en)
Chinese (zh)
Inventor
吴贤斌
刘琳
管立军
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华为技术有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280002186.3A priority Critical patent/CN103270805B/zh
Priority to PCT/CN2012/088080 priority patent/WO2014101204A1/fr
Publication of WO2014101204A1 publication Critical patent/WO2014101204A1/fr

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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies

Definitions

  • the embodiments of the present invention relate to the field of communications, and in particular, to a method, an apparatus, and a base station for data scheduling.
  • GSM Global System for Mobile communications
  • UMTS Universal Mobile Telecommunications System
  • the frequency of the GSM system communication system can be used to carry the Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, UMTS) system communication system.
  • UMTS Universal Mobile Telecommunications System
  • the GSM cell and the UMTS cell center point spacing width is less than 5 MHz, mutual interference between the GSM and UMTS standard communication systems may occur. Due to the large GSM power density and frequency hopping, the interference to UMTS is disordered and bursty.
  • the high speed downlink packet access (HSDPA) service data scheduling is based on the channel quality indicator (CQI) of the previous HSDPA scheduling period reported by the user equipment (UE) to determine the current HSDPA scheduling.
  • CQI channel quality indicator
  • the HSDPA scheduling period may also be referred to as a Transmission Time Interval (TTI), typically 2 milliseconds, and 3 time slots. Due to the short scheduling period, the previous CQI can relatively accurately reflect the current CQI in the absence of GSM burst interference.
  • TTI Transmission Time Interval Due to the short scheduling period, the previous CQI can relatively accurately reflect the current CQI in the absence of GSM burst interference.
  • an embodiment of the present invention provides a data scheduling method, apparatus, and base station, so as to coexist in a first-standard communication system and a second-standard communication system, and the first-standard communication system and the second-standard communication system
  • the bandwidth interval between the used spectrum resources is less than the standard spectrum bandwidth
  • the CQI The adjustment is performed so that the adjusted CQI correction value can relatively accurately reflect the channel quality of the current scheduling period, and scheduling according to the adjusted CQI correction value can reduce HSDPA retransmission and improve the cell throughput rate.
  • a method for data scheduling is provided, and the method includes
  • the second standard Determining the second standard according to the interference information generated by the first user equipment and the channel quality indicator CQI reported by the first user equipment received by the first user equipment according to the first system communication system of the previous data scheduling period Interference information generated by the communication system on the first user equipment; interference information generated by the first system communication system according to the current data scheduling period on the first user equipment and the second standard communication system The interference information generated by a user equipment determines a CQI correction value for data scheduling.
  • the service information of the interference frequency of the first standard communication system includes an average transmit power and a service duration.
  • the service information of the at least one interference frequency point of the first standard communication system according to the previous data scheduling period and the current data scheduling period is Determining interference information generated by the first-standard communication system of the previous data scheduling period and the current data scheduling period on the first user equipment, including interference information H of the first-standard communication system ,
  • SendBestCellPower Where i denotes the current data scheduling period, i-1 denotes the previous data scheduling period, and the first system communication system interference information i represents the interference information generated by the first standard communication system of the current data scheduling period on the first user equipment, ⁇ ⁇ denotes the first user equipment to the first mode suppression ratio communication system signal, Se Wi ffie ⁇ : e // P 0 was indicates the maximum transmission power of a first cell serving a user equipment, i represents the current service duration The service duration of an interference frequency point in the first-standard communication system of the data scheduling period, the average transmission power i represents the flat-paste power of the first-standard communication system of the current data scheduling period, and the interference is 3 ⁇ 4 points ( ⁇ S duration x average) The transmitting pair indicates that the obtained ( ⁇ ⁇ ⁇ X average transmitting power i) of the at least one interference frequency point is summed.
  • the first user is configured according to the first standard communication system of the previous data scheduling period
  • the interference information of the second-standard communication system indicates the interference information generated by the second-standard communication system on the first user equipment
  • "for a preset non-orthogonalization factor, the pilot transmission power ratio is The ratio of the pilot transmit power of the serving cell of the first user equipment to the maximum transmit power of the serving cell of the first user equipment
  • the correction factor is a preset value
  • i represents the current data scheduling period
  • i-1 represents the previous one.
  • the CQI indicates the CQL reported by the first user equipment received by the current data scheduling period.
  • the first standard communication system is a global mobile communication system GSM
  • the second standard communication system is a universal mobile communication system UMTS
  • the data scheduling period is a downlink packet service HSDPA. Transmission time interval ⁇ .
  • a data scheduling method including: transmitting, to a second standard communication system, a channel quality indicator CQI corresponding to the second standard communication system;
  • the transmitted data is scheduled by the second standard communication system according to the CQI correction value, wherein the CQI correction value is determined by the second standard communication system according to the previous data scheduling period and
  • the service information of the at least one interference frequency point of the first-standard communication system of the current data scheduling period is obtained by the first-standard communication system of the previous data scheduling period and the current data scheduling period
  • the interference information generated by the first user equipment is The interference information generated by the first-standard communication system of the previous data scheduling period on the first user equipment and the CQI obtain interference information generated by the second-standard communication system on the first user equipment, and further according to current data.
  • the first standard communication system of the scheduling period determines the interference information generated by the first user equipment and the interference information generated by the second standard communication system for the first user equipment.
  • the first standard communication system is a global mobile communication system GSM
  • the second standard communication system is a universal mobile communication system UMTS
  • the data scheduling period is a downlink packet service.
  • HSDPA transmission time interval ⁇ HSDPA transmission time interval ⁇ .
  • a data scheduling apparatus comprising:
  • a first standard service information obtaining module configured to acquire service information of at least one interference frequency point of a previous data scheduling period of the first standard communication system and a current data scheduling period, where the data scheduling period is equal to data of the second standard communication system a scheduling period, where the interference frequency is a frequency point of a frequency hopping frequency point used by the first-standard communication system to interfere with the second-standard communication system;
  • the first-standard interference information determining module is configured to perform the service according to the first standard
  • the service information obtained by the information obtaining module determines the first system of the previous data scheduling period and the current data scheduling period Interference information generated by the communication system on the first user equipment;
  • a second-standard interference information determining module configured to receive interference information generated by the first-standard communication system of the previous data scheduling period and the current data scheduling period according to the previous data scheduling period determined by the first-standard interference information determining module And determining, by the channel quality indicator CQI reported by the first user equipment, interference information generated by the second standard communication system on the first user equipment;
  • a CQI correction module configured to determine, by the first standard communication system of the current data scheduling period determined by the first system interference information determining unit, interference information generated by the first user equipment and the second system interference information determining module The two-standard communication system determines interference information generated by the first user equipment for a CQI correction value for data scheduling.
  • the service information of the interference frequency of the first-standard communication system includes: an average transmit power and a service duration.
  • the first system interference information determining module includes:
  • i represents the current data scheduling period
  • i-1 represents the previous data scheduling period
  • the interference strength per frequency point which represents the interference strength of the current data scheduling period determined for each interference frequency point
  • ⁇ represents the first user
  • the service duration i represents the service duration of the interference frequency of the first-standard communication system of the current data scheduling period
  • the average transmission power i represents the first-standard communication system of the current data scheduling period.
  • the average transmit power of the interference frequency, the service duration ⁇ and the average transmit power i are the service information of the same interference frequency point;
  • Interference frequency interference intensity summation sub-module used for determining interference sub-interference strength sub-module
  • the interference information determining submodule is configured to determine the front of the submodule according to the interference frequency interference strength a first scheduling communication system that generates a data scheduling period and a current data scheduling period and a maximum transmission power of the serving cell of the first user equipment determines that the first data communication period and the current data scheduling period are generated by the first user equipment Interference information:
  • the interference information i of the first-standard communication system represents the interference information generated by the first-standard communication system of the current data scheduling period on the first user equipment, and the interference information i4 of the first-standard communication system represents the first of the previous data scheduling period. Interference information generated by the system communication system on the first user equipment,
  • Se "iffie ⁇ :e//73 ⁇ 4 W er represents the maximum transmit power of the serving cell of the first user equipment.
  • the second system interference information determining module includes
  • the previous data scheduling period is shown, and the total interference information 14 indicates the total interference information of the previous data scheduling period.
  • the pilot transmission power ratio is the guide of the serving cell of the first user equipment.
  • the ratio of the frequency of the transmit power to the maximum transmit power of the serving cell of the first user equipment, the correction factor is a preset value, and the CQ represents the CQI received by the first user equipment received by the current data scheduling period;
  • a second system interference information determining submodule configured to determine, according to the total interference information, total interference information of a previous data scheduling period obtained by the submodule and a first format of the previous data scheduling period determined by the first system interference information determining module
  • the interference information generated by the communication system on the first user equipment obtains the second-standard interference information:
  • Second system communication system interference information total interference information M - first system communication system interference information, ⁇ ;
  • the second system communication system interference information represents interference information generated by the second system communication system on the first user equipment.
  • the CQI module specifically determines the CQI correction value by using the following formula, including:
  • the first standard communication system is a global mobile communication system GSM
  • the second standard communication system is a universal mobile communication system UMTS
  • the data scheduling period is a downlink packet service.
  • HSDPA transmission time interval ⁇ HSDPA transmission time interval ⁇ .
  • a fourth aspect provides a user equipment, where the user equipment includes:
  • a transmitter configured to send, to the second standard communication system, a channel quality indicator CQI corresponding to the second standard communication system;
  • a receiver configured to receive data transmitted by the second standard communication system, where the transmitted data is scheduled by a second standard communication system according to a CQI correction value, wherein the CQI correction value is determined by the second standard communication system
  • the service information of the at least one interference frequency point of the first-standard communication system of the data scheduling period and the current data scheduling period is obtained by the first-standard communication system of the previous data scheduling period and the current data scheduling period.
  • the first-standard communication system of the data scheduling period determines the interference information generated by the user equipment and the interference information generated by the second-standard communication system for the user equipment.
  • the first standard communication system is a global mobile communication system GSM
  • the second standard communication system is a universal mobile communication system UMTS
  • the data scheduling period is a downlink packet service.
  • HSDPA transmission time interval ⁇ HSDPA transmission time interval ⁇ .
  • a communication system where the communication system is a second system communication system, include:
  • a receiver configured to receive a channel quality indicator CQI reported by the first user equipment
  • a processor configured to acquire service information of at least one interference frequency point of a previous data scheduling period of the first standard communication system and a current data scheduling period, where the data scheduling period is equal to a data scheduling period of the second standard communication system,
  • the interference frequency point is a frequency point of the frequency hopping frequency point used by the first standard communication system to interfere with the second standard communication system; the first standard communication according to the previous data scheduling period and the current data scheduling period
  • the service information of the at least one interference frequency of the system determines the interference information generated by the first system communication system of the previous data scheduling period and the current data scheduling period on the first user equipment; according to the first data scheduling period
  • the system communication system determines the interference information generated by the second system communication system on the first user equipment by using the interference information generated by the first user equipment and the channel quality indicator CQI received by the first user equipment received by the current data scheduling period;
  • the first system communication system of the current data scheduling period is set for the first user
  • the service information of the interference frequency of the first standard communication system includes an average transmission power and a service duration.
  • the processor determines the interference information generated by the first-standard communication system of the previous data scheduling period and the current data scheduling period on the first user equipment, including the interference information H of the first-standard communication system ,
  • SendBestCellPower Where i denotes the current data scheduling period, i-1 denotes the previous data scheduling period, and the first system communication system interference information i represents the interference information generated by the first system communication system of the current data scheduling period on the first user equipment,
  • the ratio of the first user equipment to the first system communication system signal, Se «iffie ⁇ :e//73 ⁇ 4 W er represents the maximum transmission power of the serving cell of the first user equipment, and the service duration i represents the current data scheduling.
  • the service duration of an interference frequency point of the first-standard communication system of the period, the average transmission power i represents the interference power of the interference frequency of the first-standard communication system of the current data scheduling period, and the interference frequency ( ⁇ S duration ⁇ X average transmission)
  • the power J represents a summation of each of the acquired interference frequency data ⁇ duration average transmission power i).
  • the interference information of the second-standard communication system indicates the interference information generated by the second-standard communication system on the first user equipment
  • "for a preset non-orthogonalization factor, the pilot transmission power ratio is The ratio of the pilot transmit power of the serving cell of the first user equipment to the maximum transmit power of the serving cell of the first user equipment
  • the correction factor is a preset value
  • i represents the current data scheduling period
  • i-1 represents the previous one.
  • the data scheduling period, CQIi represents the CQI reported by the first user equipment received by the current data scheduling period.
  • a fourth possible implementation manner of the fifth aspect Determining, by the processor, the interference information generated by the first user equipment according to the current data scheduling period, the interference information generated by the first user equipment, and the interference information generated by the second standard communication system to the first user equipment, for data
  • the first standard communication system is a global mobile communication system GSM
  • the second standard communication system is a universal mobile communication system UMTS
  • the data scheduling period is a downlink packet service.
  • HSDPA transmission time interval ⁇ HSDPA transmission time interval ⁇ .
  • a base station where the base station includes:
  • a first-standard communication system providing the second-standard communication system with service information of at least one interference frequency point of the first-standard communication system of the previous data scheduling period and the current data scheduling period;
  • the second system communication system includes the device of any of the third aspects.
  • a base station where the base station includes:
  • a first-standard communication system providing the second-standard communication system with service information of at least one interference frequency point of the first-standard communication system of the previous data scheduling period and the current data scheduling period;
  • a second system communication system according to any of the fifth aspects.
  • the CQI is adjusted according to the service information of the interference frequency of the first standard communication system of the previous data scheduling period and the current data scheduling period, so that the adjusted CQI correction value can relatively accurately reflect the channel of the current scheduling period. Quality, further, scheduling according to the adjusted CQI correction value can reduce the retransmission of HSDPA and improve the cell throughput rate.
  • FIG. 1 is a flowchart of a method for data scheduling according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for data scheduling according to another embodiment of the present invention.
  • FIG. 3 is a structural diagram of an apparatus for data scheduling according to another embodiment of the present invention.
  • FIG. 4 is a structural diagram of a user equipment according to another embodiment of the present invention.
  • FIG. 5 is a structural diagram of an apparatus for data scheduling according to another embodiment of the present invention. detailed description
  • the GSM system communication system and the UMTS system communication system coexist, or the GSM system communication system and the Long Term Evolution (LTE) system communication system coexist, if the coexistence of each system communication system uses a center frequency interval smaller than the standard spectrum Bandwidth can cause interference between different standard communication systems.
  • the embodiment of the present invention can be used in the scenario where the interference between the GSM standard communication system and the UMTS standard communication system causes interference, and can also be applied to the scenario where the GSM standard communication system and the LTE standard communication system coexist to cause interference.
  • the coexistence of the GSM standard communication system and the UMTS standard communication system is taken as an example.
  • the embodiment of the present invention is not limited to the coexistence of the communication systems of the two standards. It is also possible to coexist with any other two types of communication systems. For example, the solution is also applicable to the case where the GSM system communication system and the LTE system communication system coexist. This embodiment of the present invention does not limit this. With the method and apparatus of this embodiment, the cell traffic throughput rate can be improved.
  • the method and apparatus of the embodiments of the present invention may be implemented by a radio access network device, where the radio access network device includes, without limitation, any one or more of the following, such as a base station, or a base station controller, or other coordinated control device. .
  • the base station may be a single-system base station, for example, a base station (NodeB) in the UMTS, and may also be an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B) in LTE, or may be a multi-standard base station.
  • NodeB base station
  • eNB evolved base station
  • e-NodeB evolutional Node B
  • LTE long term evolution
  • the base station controller may be a GSM base station controller (BSC), a radio network controller (RNC) in the UMTS, or a base station controller supporting multiple standard communication systems.
  • BSC GSM base station controller
  • RNC radio network controller
  • Other cooperative control devices may be devices that are connected to and perform cooperative control with a plurality of base stations or a plurality of base station controllers or a plurality of base stations and base station controllers.
  • FIG. 1 is a schematic structural diagram of a method for data scheduling according to an embodiment of the present invention.
  • the first system communication system and the second system communication system coexist, and the bandwidth interval between the spectrum resources used by the first system communication system and the second system communication system is smaller than the standard spectrum bandwidth.
  • the first system communication system and the second system communication system have different network standards, for example, the first system communication system is a GSM system communication system, the second system communication system is a UMTS system communication system, or the first system communication system is a GSM system.
  • the communication system and the second system communication system are LTE system communication systems, and do not affect the implementation of the embodiment.
  • the data scheduling method may include:
  • Step 101 Acquire service information of at least one interference frequency point of the first standard communication system of the previous data scheduling period and the current data scheduling period.
  • the data scheduling period is equal to the data scheduling period of the second-standard communication system, and the second-standard communication system is the UMTS standard communication system.
  • the data scheduling period may be a scheduling period of the HSDPA service, for example, a 2 millisecond ⁇ .
  • the first standard communication system herein may refer to a communication system different from at least one system of the second standard communication system, and the service information for acquiring at least one interference frequency of the first standard communication system may be separately acquired. Service information of the interference frequency of each standard communication system.
  • the interference frequency point here is a frequency point that interferes with the second-standard communication system among the frequency hopping frequency points used when the first-standard communication system performs the service.
  • the first standard communication system is a GSM standard communication system
  • the second system is a UMTS standard communication system.
  • the standard spectrum bandwidth of the UMTS standard communication system is 5 ⁇ , when the frequency used by the GSM standard communication system and the UMTS standard communication system are used.
  • the frequency interval bandwidth of the frequency point is less than 5 MHz, the GSM system communication system will cause greater interference to the UMTS standard communication system when performing services at these frequency points, that is, the first system communication system generates the second system communication system.
  • the interference causes the data transmission of the user equipment in the second standard communication system to be interfered by the first standard communication system.
  • the frequency used by the first standard communication system The frequency at which interference occurs in the second-standard communication system may be referred to as an interference frequency point. Since the spectrum range used by the first system communication system and the second system communication system can be preset, the interference frequency point can be determined according to the spectrum resources used by the two systems.
  • the service information of the interference frequency includes, without limitation, the average transmission power at the interference frequency, the duration of the transmission data at the interference frequency (also referred to as the service duration of the interference frequency), and the like, and the embodiment of the present invention is not limited thereto.
  • the service information of all the interference frequency points can be obtained, and the service information of some interference frequency points in all the interference frequency points can be obtained according to a certain rule, for example, obtaining a partial transmission frequency with a large transmission power or a long service duration.
  • the service information of the point, or the service information of the selected N interference frequency points, where N is a positive integer greater than or equal to 1, and the value of N is set according to actual needs, and the foregoing N interference frequency points may be according to the transmission.
  • the N interference frequency points with larger power selected by the power size The above is only an example, and the embodiment of the present invention is not limited thereto.
  • Step 102 Determine, according to the previous data scheduling period acquired in step 101, the service information of the at least one interference frequency point of the first standard communication system of the current data scheduling period, the first data scheduling period and the current data scheduling period. Interference information generated by the system communication system to the first user equipment in the second system communication system.
  • the interference information generated by the first standard communication system on the first user equipment can be determined in various ways. For example, one of the modes may be determined by using an average transmit power of the interference frequency of the first-standard communication system and a maximum transmit power ratio of the serving cell of the first user equipment, and the following formula is taken as an example, and the embodiment of the present invention is not limited thereto.
  • First system communication system interference information ,
  • the current data scheduling period is the i-th data scheduling period
  • the previous data scheduling period is the i-1th data scheduling period
  • the first-standard communication system interference information i indicates that the current data scheduling period is the first standard communication system.
  • the interference information generated by the user equipment, ⁇ indicates the ratio of the first user equipment to the signal of the first system communication system, and Se «iffi ⁇ tCe//73 ⁇ 4wer indicates the service of the first user equipment.
  • the maximum transmit power of the cell the service duration i represents the service duration of one interference frequency point of the first-standard communication system of the current data scheduling period, and the average transmit power i represents the average transmission of one interference frequency point of the first-standard communication system of the current data scheduling period Power, dry duration ⁇ x average emission is expressed for each of the acquired interference frequencies (data ⁇ S duration x average transmission power J summed.
  • the interference information generated by the first standard communication system of the previous data scheduling period on the first user equipment may also be obtained: the interference information H of the first standard communication system .
  • Step 103 The interference information generated by the first user equipment of the previous data scheduling period and the channel reported by the first user equipment received by the first user equipment according to the current data scheduling period.
  • the quality indication CQI determines interference information generated by the second standard communication system on the first user equipment;
  • the interference information of the CQI includes interference information generated by the first standard communication system on the first user equipment and interference information generated by the second standard communication system on the first user equipment, and is received by the first user equipment due to the current data scheduling period.
  • the reported channel quality indication CQI reflects the channel quality measurement of the first user equipment for the previous data scheduling period, and the interference information generated by the second system communication system for the first user equipment is relatively stable, so
  • the first standard communication system of the previous data scheduling period determines the interference information generated by the first user equipment and the channel quality indicator CQI received by the first user equipment received by the current data scheduling period, and determines the second user equipment to the first user equipment.
  • Interference information generated for example: pilot transmit power ratio
  • Interference information of the second system communication system : TM: b - - interference information of the first system communication system.
  • the interference information of the second-standard communication system indicates the interference information generated by the second-standard communication system on the first user equipment, "is a non-orthogonalization factor, which is a preset value, and the pilot transmission power ratio is the first.
  • the ratio of the pilot transmit power of the serving cell of the user equipment to the maximum transmit power of the serving cell of the first user equipment, the pilot transmit power of the serving cell and the maximum transmit power of the serving cell may be obtained by using configuration data; Set the value, i indicates the current data scheduling period, i-1 indicates the previous data scheduling period, CQ indicates the CQI reported by the first user equipment received in the current data scheduling period, and the first system communication system interference information "represents the previous data. Interference information generated by the first-standard communication system of the scheduling period on the first user equipment.
  • Step 104 Determine, according to the current data scheduling period of the current data scheduling period, the interference information generated by the first user equipment, and the interference information generated by the second standard communication system obtained by the second user equipment in step 103.
  • the CQI correction value for data scheduling is
  • the CQI correction value can be determined in various ways.
  • one of the ways can be:
  • i represents a current data scheduling period
  • the interference information i of the first-standard communication system represents interference information generated by the first-standard communication system of the current data scheduling period
  • the interference information of the second-standard communication system represents second Interference information generated by the system communication system to the first user equipment.
  • the interference information generated by the first user equipment of the current data scheduling period and the interference information generated by the second system of the first user equipment may be respectively By setting the interference factor, the CQI can be corrected more finely.
  • the CQI is adjusted according to the service information of the interference frequency of the first standard communication system of the previous data scheduling period and the current data scheduling period, so that the adjusted CQI correction value can be relatively accurate. Reflecting the channel quality of the current scheduling period, further The scheduling according to the adjusted CQI correction value can reduce the retransmission of HSDPA and improve the cell throughput rate.
  • FIG. 2 is a flowchart of a method for data scheduling according to another embodiment of the present invention.
  • the first system communication system and the second system communication system coexist, and the bandwidth interval between the spectrum resources used by the first system communication system and the second system communication system is smaller than the standard spectrum bandwidth.
  • the first system communication system and the second system communication system have different network standards, for example, the first system communication system is a GSM system communication system, the second system communication system is a UMTS system communication system, or the first system communication system is a GSM system.
  • the communication system and the second system communication system are LTE system communication systems, and do not affect the implementation of the embodiment.
  • the method can be applied to a user equipment, as shown in FIG. 2, the method shown includes:
  • Step 201 Send, to the second standard communication system, a channel quality indicator CQI corresponding to the second standard communication system;
  • Step 202 Receive data transmitted by the second standard communication system, where the transmitted data is scheduled by the second standard communication system according to the CQI correction value, where the CQI correction value is determined by the second standard communication system according to the previous data.
  • the service information of the at least one interference frequency point of the first-standard communication system of the scheduling period and the current data scheduling period obtains interference information generated by the first-standard communication system of the previous data scheduling period and the current data scheduling period on the user equipment, and Obtaining interference information generated by the second standard communication system on the user equipment according to the interference information generated by the first standard communication system of the previous data scheduling period and the CQI, further according to a current data scheduling period
  • the interference information generated by the first-standard communication system on the user equipment and the interference information generated by the second-standard communication system on the user equipment are determined.
  • the data scheduling period may be a scheduling period of the HSDPA service, for example, a 2 millisecond ⁇ .
  • the interference frequency point here is a frequency point that interferes with the second-standard communication system among the frequency hopping frequency points used when the first-standard communication system performs the service.
  • the second system is UMTS as an example. Since the standard frequency bandwidth of UMTS is 5 MHz, when the frequency point used by the GSM system and the frequency interval used by the UMTS system are less than 5 MHz, the GSM standard communication system performs services at these frequencies.
  • the UMTS system communication system causes a large interference, that is, the first system communication system interferes with the second system communication system, so that the data transmission of the user equipment in the second system communication system is interfered by the first system communication system.
  • the frequency point of the frequency used by the first-standard communication system to interfere with the second-standard communication system may be referred to as an interference frequency point. Since the spectrum range used by the first system communication system and the second system communication system can be preset, the interference frequency point can be determined according to the spectrum resources used by the two systems.
  • the CQI is adjusted by receiving the service information of the interference frequency of the first standard communication system of the previous data scheduling period and the current data scheduling period by the radio access network side device, so that the CQI is adjusted.
  • the adjusted CQI correction value can relatively accurately reflect the channel quality of the current scheduling period, and the data scheduled according to the adjusted CQI correction value can reduce HSDPA retransmission and improve the cell throughput rate.
  • FIG. 3 is a structural diagram of a data scheduling apparatus according to another embodiment of the present invention.
  • the first system communication system is still a GSM system communication system
  • the second system communication system is a UMTS system communication system as an example.
  • the embodiment of the present invention is not limited thereto.
  • the device includes:
  • the first-standard service information obtaining module 301 is configured to obtain service information of at least one interference frequency point of the first-standard communication system of the previous data scheduling period and the current data scheduling period, where the data scheduling period is equal to that of the second-standard communication system. a data scheduling period, where the interference frequency is a frequency point of a frequency hopping frequency point used by the first-standard communication system to interfere with the second-standard communication system;
  • the data scheduling period is equal to the data scheduling period of the second standard communication system.
  • the second standard communication system is a UMTS system.
  • the data scheduling period may be a scheduling period of the HSDPA service, for example, a 2 millisecond ⁇ .
  • the interference frequency point here is a frequency point that interferes with the second-standard communication system among the frequency hopping frequency points used when the first-standard communication system performs the service. Since it has been described in the foregoing method embodiments, it will not be described again here.
  • the service information of the interference frequency includes, without limitation, the average transmission power at the interference frequency, the duration of the transmission data at the interference frequency, and the service duration of the interference frequency, and the like, and the embodiment of the present invention is not limited thereto.
  • the service information of all the interference frequency points can be obtained, and the service information of some interference frequency points in all the interference frequency points can be obtained according to a certain rule, for example, obtaining a partial transmission frequency with a large transmission power or a long service duration.
  • the service information of the point, or the service information of the selected N interference frequency points, where N is a positive integer greater than or equal to 1, and the value of N is set according to actual needs, and the foregoing N interference frequency points may be according to the transmission.
  • the N interference frequency points with larger power selected by the power size The above is only an example, and the embodiment of the present invention is not limited thereto.
  • the first-standard interference information determining module 302 is configured to determine, according to the service information acquired by the first-standard service information acquiring module 301, the first-standard communication system of the previous data scheduling period and the current data scheduling period to the second standard Interference information generated by the first user equipment in the communication system.
  • the interference information generated by the first system communication system to the first user equipment can be determined in a variety of ways. It has been described in the foregoing method embodiments, and details are not described herein again.
  • the first-standard interference information determining module 302 may include:
  • the current data scheduling period is the i-th data scheduling period
  • the previous data scheduling period is the i-1th data scheduling period
  • the interference intensity per frequency point indicates the current data scheduling period determined for each interference frequency point.
  • Interference strength, ⁇ indicates the first user equipment to the first system communication system signal
  • the suppression ratio, the service duration i represents the service duration of an interference frequency point of the first-standard communication system of the current data scheduling period
  • the average transmission power i represents the average transmission power of an interference frequency point of the first-standard communication system of the current data scheduling period
  • the service duration i and the average transmission power i are service information of the same interference frequency point.
  • the interference frequency interference strength summation sub-module 3022 is configured to obtain, for each interference frequency point determined by the interference frequency interference intensity determination sub-module 3021, the interference strength of the previous data scheduling period and the current data scheduling period, and obtain the interference frequency point. Total interference strength of the data scheduling period and the current data scheduling period:
  • the interference information determining submodule 3023 is configured to determine, according to the previous data scheduling period determined by the interference frequency interference strength summation submodule 3022, the total interference strength of the current data scheduling period, and the maximum transmit power of the serving cell of the first user equipment.
  • the interference information i of the first-standard communication system indicates the interference information generated by the first-standard communication system of the current data scheduling period on the first user equipment, and the Sewiffi tCe//73 ⁇ 4 W er represents the maximum transmission power of the serving cell of the first user equipment.
  • the second system interference information determining module 303 is configured to receive interference information generated by the first standard communication system of the previous data scheduling period and the current data scheduling period according to the previous data scheduling period determined by the first system interference information determining module 302.
  • the channel quality indication CQI reported by the first user equipment determines the interference information generated by the second system communication system on the first user equipment.
  • the second system interference information determining module 303 may include:
  • the total interference information determining submodule 3031 is configured to determine total interference information of a previous data scheduling period of the first system communication system and the second system communication system according to the following formula:
  • i denotes the current data scheduling period
  • i-1 denotes the previous data scheduling period
  • the total interference information M denotes the total interference information of the previous data scheduling period
  • the second-standard interference information determining sub-module 3032 is configured to determine, according to the total interference information, total interference information of the previous data scheduling period obtained by the sub-module 3031 and the previous data scheduling period determined by the first-standard interference information determining module 302.
  • the interference information generated by the first-standard communication system on the first user equipment obtains the second-standard interference information:
  • Second system communication system interference information total interference information M - first system communication system interference information, ⁇ ;
  • the second system communication system interference information indicates the interference information generated by the second system communication system on the first user equipment, the first system communication system interference information, the first system communication system indicating the previous data scheduling period, and the first user Interference information generated by the device.
  • the CQI correction module 304 is configured to: according to the interference information generated by the first user equipment of the first system communication system of the current data scheduling period determined by the first system interference information determining module 302, and the second system interference information determining module 303 The interference information generated by the second mode communication system to the first user equipment determines a CQI correction value for data scheduling.
  • the CQI correction value can be determined in various ways. Since the description has been made in the foregoing method embodiments, details are not described herein again.
  • the CQI is adjusted according to the service information of the interference frequency of the first standard communication system of different data scheduling periods, so that the adjusted CQI correction value can relatively accurately reflect the current scheduling period.
  • Channel quality, scheduling according to the adjusted CQI correction value can reduce HSDPA retransmission and improve cell throughput.
  • the apparatus and method provided by the embodiments of the present invention may be applied to at least two single-standard base stations of different standards, where the single-standard base stations may be a base station including a first-standard communication system and one including a second standard.
  • the base station of the communication system can also be used for a multi-standard base station, and the multi-standard base station can include both the first-standard communication system and the second-standard communication system.
  • the first-standard communication system provides the second-standard communication system with the service information of the first-standard communication system, and includes the service information of the at least one interference frequency point of the first-standard communication system of the previous data scheduling period and the current data scheduling period, It may be provided to the second system communication system through an interface between the first system communication system and the second system communication system, and the second system communication system is used to implement the foregoing method embodiments and device embodiments.
  • FIG. 4 is a structural diagram of a user equipment according to another embodiment of the present invention.
  • the user equipment includes: a transmitter 401, configured to send, to the second standard communication system, a channel quality indicator CQI corresponding to the second standard communication system;
  • the receiver 402 is configured to receive data transmitted by the second standard communication system, where the transmitted data is scheduled by the second standard communication system according to the CQI correction value, where the CQI correction value is determined by the second standard communication system.
  • the service information of the at least one interference frequency point of the first-standard communication system of the previous data scheduling period and the current data scheduling period is obtained by the first-standard communication system of the previous data scheduling period and the current data scheduling period.
  • the CQI obtains interference information generated by the second-standard communication system on the user equipment, and further generates interference information generated by the first-standard communication system of the current data scheduling period on the user equipment, and the second-standard communication system is used by the user.
  • the interference information generated by the device is determined.
  • the data scheduling period may be a scheduling period of the HSDPA service, for example, a 2 millisecond ⁇ .
  • the interference frequency is the frequency at which the second-standard communication system interferes with the frequency hopping frequency used when the first-standard communication system performs the service. It has been described in the foregoing method embodiments, and details are not described herein again.
  • the user equipment adjusts the CQI by receiving the service information of the interference frequency of the first standard communication system of the previous data scheduling period and the current data scheduling period by the radio access network side device, so that the CQI is adjusted.
  • the CQI correction value can relatively accurately reflect the channel quality of the current scheduling period, and the data scheduled according to the adjusted CQI correction value can reduce the retransmission of HSDPA and improve the cell throughput rate.
  • FIG. 5 is a structural diagram of a second-standard communication system according to another embodiment of the present invention. As shown in the figure, the device includes: a receiver 501 and a processor 502, where
  • the receiver 501 is configured to receive a channel quality indicator CQI reported by the first user equipment.
  • the processor 502 is configured to obtain service information of at least one interference frequency point of a previous data scheduling period of the first standard communication system and a current data scheduling period, where the data scheduling period is equal to a data scheduling period of the second standard communication system, where
  • the interference frequency is a frequency point of a frequency hopping frequency point used by the first-standard communication system to interfere with the second-standard communication system; and at least the first-standard communication system according to the previous data scheduling period and the current data scheduling period
  • the service information of the interference frequency determines the interference information generated by the first standard communication system of the previous data scheduling period and the current data scheduling period on the first user equipment; and the first system according to the previous data scheduling period
  • the communication system determines the interference generated by the second system communication system on the first user equipment by using the interference information generated by the first user equipment and the channel quality indicator CQI received by the first user equipment received by the current data scheduling period.
  • Information; first system communication system based on the current data scheduling period Interference information interference information generated by a first user device and the second communication standard
  • the components of the second-standard communication system of the embodiment of the present invention may be used to implement the functions of the steps of the data scheduling method in the foregoing related method embodiments, and the steps have been described in detail in the foregoing method embodiments. No longer.
  • computer readable media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage media or other magnetic storage device, or can be used for carrying or storing in the form of an instruction or data structure.
  • Any connection may suitably be a computer readable medium.
  • the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable , fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwaves are included in the fixing of the associated media.
  • a disk and a disc include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disc, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.
  • CD compact disc
  • DVD digital versatile disc
  • a floppy disc a digital versatile disc
  • Blu-ray disc wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data.

Abstract

La présente invention, selon un mode de réalisation, concerne un procédé de planification de données, un dispositif et une station de base. Selon l'invention, le procédé de planification de données fait appel : à l'acquisition des informations de service d'au moins un point de fréquence de brouillage d'un premier système de communication standard pendant les périodes de planification de données préalable et en cours, et d'un indicateur de qualité de canal (CQI) ayant fait l'objet d'un rapport par un premier équipement utilisateur (UE) ; à la détermination des informations de brouillage générées sur le premier UE par le premier système de communication standard pendant les périodes de planification de données préalable et en cours, et des informations de brouillage générées sur le premier UE par un second système de communication standard ; et à la détermination d'une valeur de CQI modifiée de planification de données conformément aux informations de brouillage générées sur le premier UE par le premier système de communication standard et aux informations de brouillage générées sur le premier UE par le second système de communication standard, en améliorant ainsi le débit d'une cellule. La présente invention, selon le mode de réalisation, concerne également un dispositif et une station de base.
PCT/CN2012/088080 2012-12-31 2012-12-31 Procédé de planification de données, dispositif et station de base WO2014101204A1 (fr)

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CN105052186B (zh) * 2013-12-24 2019-05-07 华为技术有限公司 一种获取干扰值的方法及装置
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CN101656980A (zh) * 2009-09-15 2010-02-24 北京天碁科技有限公司 一种终端测量的调度方法及终端
CN102300254A (zh) * 2011-09-27 2011-12-28 大唐移动通信设备有限公司 一种业务调度方法及设备

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CN101656980A (zh) * 2009-09-15 2010-02-24 北京天碁科技有限公司 一种终端测量的调度方法及终端
CN102300254A (zh) * 2011-09-27 2011-12-28 大唐移动通信设备有限公司 一种业务调度方法及设备

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