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WO2018059009A1 - Procédé et dispositif de compensation de qualité de signal de liaison montante - Google Patents

Procédé et dispositif de compensation de qualité de signal de liaison montante Download PDF

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Publication number
WO2018059009A1
WO2018059009A1 PCT/CN2017/088287 CN2017088287W WO2018059009A1 WO 2018059009 A1 WO2018059009 A1 WO 2018059009A1 CN 2017088287 W CN2017088287 W CN 2017088287W WO 2018059009 A1 WO2018059009 A1 WO 2018059009A1
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WO
WIPO (PCT)
Prior art keywords
determining
cell
user
network signal
threshold
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.)
Ceased
Application number
PCT/CN2017/088287
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English (en)
Chinese (zh)
Inventor
雷超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Zhongxing New Software Co Ltd
Original Assignee
Xian Zhongxing New Software Co Ltd
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Filing date
Publication date
Application filed by Xian Zhongxing New Software Co Ltd filed Critical Xian Zhongxing New Software Co Ltd
Publication of WO2018059009A1 publication Critical patent/WO2018059009A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range

Definitions

  • the present application relates to, but is not limited to, the field of mobile communications, and in particular, to an uplink signal quality compensation method and apparatus.
  • LTE Long Term Evolution
  • 3G Third Generation Partnership Project
  • 4G 4G
  • 3.9G the global standard of 3.9G
  • FDD LTE Frequency Division Duplexing LTE
  • TDD LTE Time Division Duplexing LTE
  • FDD LTE is characterized by the system receiving and transmitting on two symmetric frequency channels separated (up and down frequency interval 190MHz), and separating the receiving and transmitting channels by using the guaranteed frequency band.
  • FDD must use a paired frequency, providing third-generation services in every 2x5MHz bandwidth. This mode can fully utilize the uplink and downlink spectrum when supporting symmetric services.
  • TD-LTE is a time division duplex.
  • the uplink and downlink transmission signals are in the same frequency band, and are transmitted in a discontinuous manner by scheduling signals to different time periods. It can flexibly configure the frequency and use the scattered frequency band that is difficult to use in the FDD system. It can adjust the uplink and downlink time slot conversion points to improve the downlink time slot ratio, and can support asymmetric services very well.
  • the 3G network is a WCDMA (Wideband Code Division Multiple Access) and CDMA2000 operator. After the network evolution, it is expected to deploy an FDD LTE network.
  • the 3G network is a TDS-CDMA operator. After the evolution, it is expected to deploy a TD-LTE network.
  • the two largest operators currently deploying TD-LTE networks worldwide are China Mobile and the US Sprint.
  • the TD-LTE network can obtain continuous large bandwidth spectrum resources, but since it is a high frequency band, the signal attenuation is large during signal propagation.
  • Sprint is taken as an example to illustrate the necessity of improving TD-LTE network coverage.
  • the spectrum resources owned by Sprint are distributed according to the frequency of high, medium and low: low frequency B26. 817-824MHz/862-869MHz, 7MHz bandwidth, some are also used as 1x voice/EVDO, used as LTE up to 5MHz. IF B25, 1910-1915MHz/1990-1995MHz, 5MHz bandwidth, used as LTE. High frequency B41, 2496-2690MHz up to 194MHz bandwidth. Limited to current technology, up to 60MHz bandwidth can be used on a single terminal. However, the excess spectrum can be flexibly used. When a non-co-frequency network is used, neighboring cells reduce interference, so that the actual rate of the system is higher than the LTE network rate and capacity of the same-frequency network.
  • the three spectra owned by Sprint are sorted according to the attenuation size: B26 ⁇ B25 ⁇ B41.
  • B41 has the highest frequency and the largest attenuation. Among them, B25 attenuation is 3dB smaller than B41.
  • B26 is 7.4dB smaller than B25.
  • the network coverage of B41 is nearly 30% smaller than that of B25 under the same technical conditions.
  • Sprint's spectrum is the most abundant in B41.
  • the network capacity and rate can be the highest, far exceeding the other bands of Sprint B25, B26.
  • the shortcoming is also obvious, that is, the wireless transmission attenuation is the largest, the signal is poor, resulting in the actual network rate is low, and the user experience is poor.
  • it is usually by increasing the number of base stations, but increasing the number of base stations will lead to an increase in the cost of Sprint operators.
  • the embodiment of the invention provides an uplink signal quality compensation method and device for solving the problems in the related art.
  • an uplink signal quality compensation method including:
  • the uplink signal transmission power is increased to the sum of the maximum transmission power when the user is at the center of the cell and a preset adjustment value.
  • the step of determining, according to the strength of the received network signal, that the user moves from the cell center to the cell edge includes:
  • the preset adjustment value is less than or equal to 2 dbm, or the sum of the maximum transmit power and the preset adjustment value when the user is in the cell center position is less than or equal to the allowed maximum transmit power of the user.
  • the method further includes:
  • the uplink signal transmission power is restored to the maximum transmission power when the user is at the center of the cell.
  • the step of determining, according to the strength of the received network signal, that the user moves from the cell edge to the cell center includes:
  • the application further provides a computer readable storage medium storing computer executable instructions that are implemented when the computer executable instructions are executed.
  • an uplink signal quality compensation apparatus including:
  • Determining a unit configured to determine that the user moves from the cell center to the cell edge according to the strength of the received network signal
  • the adjusting unit is configured to increase the uplink signal transmitting power to the sum of the maximum transmitting power when the user is in the cell center position and the preset adjustment value.
  • the determining unit is configured to:
  • the value of the parameter is greater than or equal to the preset first threshold value and becomes less than the first threshold value, it is determined that the user moves from the cell center to the cell edge.
  • the determining unit is further configured to: determine, according to the strength of the received network signal, that the user moves from the cell edge to the cell center;
  • the adjustment unit is further configured to:
  • the uplink signal transmission power is restored to the maximum transmission power when the user is at the center of the cell.
  • the determining unit is configured to determine that the user moves from the cell edge to the cell center according to the strength of the received network signal by:
  • the beneficial effects of the embodiments of the present invention are as follows:
  • the uplink signal quality compensation method and apparatus provided by the embodiments of the present invention determine, according to the network signals acquired by the terminal in the network side interaction process, through calculation and analysis, determine the user and the base station. Relative position, thereby adjusting the transmission power of the terminal, to achieve the purpose of increasing the uplink signal coverage of the cell.
  • the method does not need to increase the network deployment cost of the operator.
  • By increasing the transmission power of the terminal only very small modifications are made to the parameters of the base station, which improves the network coverage of the TD-LTE and provides better use for mobile users. Experience.
  • FIG. 1 is a schematic diagram of a route of 2G to 4G evolution in the related art
  • FIG. 2 is a flowchart of an uplink signal quality compensation method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of an optional uplink signal quality compensation method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an uplink signal quality compensation apparatus according to an embodiment of the present invention.
  • the uplink signal quality compensation method provided by the embodiment of the present invention includes:
  • Step S201 Determine, according to the strength of the received network signal, that the user moves from the cell center to the cell edge;
  • Step S202 Increase the uplink signal transmission power to the sum of the maximum transmit power when the user is in the cell center position and a preset adjustment value.
  • the relative position of the user and the base station is determined through calculation and analysis, thereby adjusting the transmission power of the terminal and enabling the user to reach the base station.
  • the uplink signal can be stronger, and the uplink signal of the original location cannot be recognized by the base station, and the uplink signal of the location can be identified by increasing the uplink power.
  • the purpose of increasing the uplink signal coverage of the cell is achieved.
  • the method does not need to increase the network deployment cost of the operator.
  • By increasing the transmission power of the terminal only very small modifications are made to the parameters of the base station, which improves the network coverage of the TD-LTE and provides better use for mobile users. Experience.
  • determining, according to the strength of the received network signal, that the user moves from the cell center to the cell edge according to the strength of the received network signal includes:
  • P indicates a value of the parameter
  • P may be RSRP (Reference Signal Receiving Power), SINR (Signal to Interference plus Noise Ratio), or other suitable parameters may be employed by those skilled in the art.
  • TH1 can be flexibly selected by those skilled in the art depending on the characteristics of the network to which it is applied.
  • the result of the previous judgment may be cached. For each judgment, it is first determined whether P is greater than or equal to TH1, and if so, and If the result of the previous judgment is that P is less than TH1, it is determined that P is greater than or equal to the preset first threshold TH1 and becomes smaller than TH1; or, after determining that P is greater than or equal to TH1, the current determination is made. What is the uplink signal transmission power, and if the value is an unadjusted value, it is determined that P is greater than or equal to the preset first threshold TH1 and becomes less than TH1.
  • the protocol specifies that the user for power class 3 (power protocol 3) is 23dbm, but has a tolerance of ⁇ 2dbm.
  • power protocol 3 power protocol 3
  • the user In order for the user to transmit signals at a higher power, the user must support higher power.
  • the following two methods can be used: 1. Introducing tolerances in the terminal of the existing power class 3, so that the transmission power can be increased to 2 dbm; 2.
  • the related protocol needs to be modified, and power class 2 (power protocol 2) can be introduced to make power
  • the maximum transmit power allowed by class2 is P'. Operators can flexibly configure ⁇ p according to network characteristics.
  • ⁇ p ⁇ 2dbm that is, the preset adjustment value is less than or equal to 2dbm
  • Pmax+ ⁇ p the maximum transmission power and preset when the user is at the center of the cell
  • the sum of the adjustment values is less than or equal to the maximum transmit power allowed by the user.
  • the uplink signal transmission power can be restored to the maximum transmission power Pmax when the user is in the cell center position, thereby enabling the user to obtain better use.
  • the step of determining that the user moves from the cell edge to the cell center includes:
  • P indicates a value of the parameter
  • TH1 and TH2 can be flexibly configured by the operator according to the characteristics of the network. In order to ensure the communication quality between the user and the network, TH2>TH1 is usually set. In extreme cases, TH2 can be equal to TH1, that is, TH2 ⁇ TH1.
  • an optional uplink signal quality compensation method includes:
  • Step S301 determining, according to the received network signal, a parameter P for determining a relative position between the terminal and the network signal transmitting end;
  • Step S302 determining whether P is greater than or equal to the preset first threshold TH1, becomes less than TH1, if P becomes less than TH1, step S303 is performed, P does not become less than TH1, step S304 is performed;
  • Step S303 determining that the user moves from the cell center to the cell edge, and improves the uplink signal transmission power to Pmax+ ⁇ p, where Pmax is the maximum transmit power when the user is in the cell center position, and ⁇ p is a preset power adjustment value;
  • Step S304 determining whether P is greater than or equal to the preset second threshold value TH2, and becoming greater than TH2. If P becomes greater than TH2, step S305 is performed, and if P does not become greater than TH2, the process ends;
  • Step S305 Determine that the user moves from the cell edge to the cell center, and restores the uplink signal transmission power to the maximum transmit power Pmax when the user is in the cell center position.
  • the relative position of the user and the network is determined, thereby adjusting the transmission power of the terminal, so as to increase the coverage of the uplink signal of the cell.
  • the uplink signal quality compensation method provided by the embodiment of the present invention does not need to increase the network deployment cost of the operator.
  • By enhancing the transmission power of the terminal only minor modifications are made to the parameters of the base station, and the TD-LTE network is improved. Coverage can provide a better experience for users.
  • Embodiments of the present invention further provide a computer readable storage medium storing computer executable instructions that are implemented when the computer executable instructions are executed.
  • An embodiment of the present invention further provides an uplink signal quality compensation apparatus, as shown in FIG. 4, including:
  • the determining unit 401 is configured to determine that the user moves from the cell center to the cell edge according to the strength of the received network signal
  • the adjusting unit 402 is configured to increase the uplink signal transmission power to Pmax+ ⁇ p, where Pmax is the maximum transmission power when the user is in the cell center position, and ⁇ p is a preset power adjustment value.
  • the determining unit 401 is configured to:
  • the determining unit 401 is further configured to:
  • the adjustment unit 402 is also configured to:
  • the uplink signal transmission power is restored to the maximum transmission power Pmax when the user is at the center of the cell.
  • the determining unit 401 is configured to determine that the user moves from the cell edge to the cell center according to the strength of the received network signal in the following manner:
  • the uplink signal quality compensation method provided by the embodiment of the present invention, according to the network signal acquired during the interaction between the terminal and the network side, the relative position of the user and the base station is determined through calculation and analysis, thereby adjusting the transmission power of the terminal.
  • the purpose of increasing the uplink signal coverage of the cell is achieved.
  • the method does not need to increase the network deployment cost of the operator.
  • By increasing the transmission power of the terminal only very small modifications are made to the parameters of the base station, which improves the network coverage of the TD-LTE and provides better use for mobile users. Experience.
  • computer storage medium includes volatile and nonvolatile, implemented in any method or technology for storing information, such as computer readable instructions, data structures, program modules or other data. Sex, removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridge, magnetic tape, magnetic disk storage or other magnetic storage device, or may Any other medium used to store the desired information and that can be accessed by the computer.
  • communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and can include any information delivery media. .
  • the relative position of the user and the base station is determined through calculation and analysis, thereby adjusting the transmission of the terminal.
  • Power to achieve the purpose of increasing the uplink signal coverage of the cell.
  • the method does not need to increase the network deployment cost of the operator.
  • By increasing the transmission power of the terminal only very small modifications are made to the parameters of the base station, which improves the network coverage of the TD-LTE and provides better use for mobile users. Experience.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un dispositif de compensation de qualité de signal de liaison montante se rapportant à la technologie de communication. Les modes de réalisation de la présente invention fournissent un procédé de compensation de qualité de signal de liaison qui permet, selon un signal de réseau acquis dans un processus d'interaction d'un terminal et d'un côté réseau, et par calcul, analyse et évaluation, la détermination de la position relative entre un utilisateur et une station de base, de manière à ajuster une puissance de transmission du terminal, afin d'augmenter la couverture de signal de liaison montante de cellules. Ce procédé ne nécessite pas d'augmenter le coût de configuration de réseau d'un opérateur, et ne requiert qu'une très petite modification des paramètres de la station de base au moyen de l'augmentation de la puissance de transmission du terminal, ce qui permet d'améliorer la couverture de réseau de TD-LTE et de fournir une meilleure expérience d'utilisation pour un utilisateur mobile.
PCT/CN2017/088287 2016-09-30 2017-06-14 Procédé et dispositif de compensation de qualité de signal de liaison montante Ceased WO2018059009A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610874747.9A CN107889207B (zh) 2016-09-30 2016-09-30 一种上行信号质量补偿方法及装置
CN201610874747.9 2016-09-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112312415A (zh) * 2019-07-25 2021-02-02 中国移动通信有限公司研究院 上行数据分流方法及终端

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111245463A (zh) * 2018-11-29 2020-06-05 成都鼎桥通信技术有限公司 一种上行信号的发送方法和移动终端

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101350642A (zh) * 2008-08-29 2009-01-21 同济大学 基于组策略的功率控制方法
CN101515815A (zh) * 2008-02-18 2009-08-26 中兴通讯股份有限公司 一种调整移动台发射功率的方法和移动通信网络
CN101772062A (zh) * 2008-12-30 2010-07-07 华为技术有限公司 调整用户设备测量报告门限的方法、装置和系统
US20100210295A1 (en) * 2009-02-13 2010-08-19 Ali Taha Koc Uplink power control for wireless systems
CN104080157A (zh) * 2013-03-29 2014-10-01 普天信息技术研究院有限公司 集群终端的上行功率控制方法
CN104619001A (zh) * 2014-12-29 2015-05-13 京信通信系统（中国）有限公司 基站上行功率控制方法和系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101801005A (zh) * 2009-02-06 2010-08-11 大唐移动通信设备有限公司 一种广播信道覆盖自优化的方法、系统及设备
JP5427139B2 (ja) * 2010-07-29 2014-02-26 株式会社日立製作所 基地局及びセルラ無線通信システム
CN103874183B (zh) * 2012-12-14 2018-03-23 中国移动通信集团公司 路径损耗补偿因子确定方法及相关设备
CN103476074B (zh) * 2013-08-30 2016-02-03 京信通信系统（中国）有限公司 一种资源抢占方法及设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101515815A (zh) * 2008-02-18 2009-08-26 中兴通讯股份有限公司 一种调整移动台发射功率的方法和移动通信网络
CN101350642A (zh) * 2008-08-29 2009-01-21 同济大学 基于组策略的功率控制方法
CN101772062A (zh) * 2008-12-30 2010-07-07 华为技术有限公司 调整用户设备测量报告门限的方法、装置和系统
US20100210295A1 (en) * 2009-02-13 2010-08-19 Ali Taha Koc Uplink power control for wireless systems
CN104080157A (zh) * 2013-03-29 2014-10-01 普天信息技术研究院有限公司 集群终端的上行功率控制方法
CN104619001A (zh) * 2014-12-29 2015-05-13 京信通信系统（中国）有限公司 基站上行功率控制方法和系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112312415A (zh) * 2019-07-25 2021-02-02 中国移动通信有限公司研究院 上行数据分流方法及终端

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