WO2012136450A1 - Envoi d'un rapport d'indication de qualité de canal (cqi) dans un réseau de communication - Google Patents

Envoi d'un rapport d'indication de qualité de canal (cqi) dans un réseau de communication Download PDF

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Publication number
WO2012136450A1
WO2012136450A1 PCT/EP2012/054375 EP2012054375W WO2012136450A1 WO 2012136450 A1 WO2012136450 A1 WO 2012136450A1 EP 2012054375 W EP2012054375 W EP 2012054375W WO 2012136450 A1 WO2012136450 A1 WO 2012136450A1
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WIPO (PCT)
Prior art keywords
channel quality
quality indicator
report
mobile station
network node
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Ceased
Application number
PCT/EP2012/054375
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English (en)
Inventor
Hans Thomas Hoehne
Alexander Sayenko
Hytonen VESA
Oleksandr PUCHKO
Thomas Chapman
Frank Frederiksen
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Nokia Solutions and Networks Oy
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Nokia Siemens Networks Oy
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Publication of WO2012136450A1 publication Critical patent/WO2012136450A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector

Definitions

  • the invention generally relates to determining channel quality in a communications network. More particularly, the invention relates to mechanisms for reporting channel quality for different transmission schemes and radio links in a communications network.
  • a mobile station or user equipment may receive from the serving cell where it is located.
  • UE user equipment
  • SINR signal to noise and interference ratio
  • CQI channel quality indicator
  • embodiments of the invention provide a method, which includes measuring a signal strength of a radio link at a mobile station, obtaining a channel quality indicator of the radio link from the measured signal strength, and signalling from a network node to the mobile station a condition according to which a report of the CQI should be sent by the mobile station to the network node.
  • the signal strength or Signal to Interference and Noise Ratio (SINR) of a radio link between a mobile station and a node of a communications network is measured by the mobile station.
  • the mobile station then derives a channel quality indicator from the measured signal strength.
  • the network node signals to the mobile station a condition or criteria according to which the mobile station should send a report of the channel quality indicator to the network node. Therefore the mobile station only sends the channel quality indicator report if this condition or criteria is met. In this way, interference is reduced and efficiency is increased as the mobile station does not send any unnecessary reports to the network node. This is especially advantageous in situations where a mobile station is required to report channel quality indicators for different interference situations, depending on which neighbouring cells are transmitting to the mobile station.
  • the method further includes sending the CQI report if this condition is met. If the mobile station determines that the condition signalled to it by the network node is met, it then sends a report of the channel quality indicator to the network node. Alternatively, the mobile station may be triggered to send the channel quality indicator to the network node if the condition signalled by the network node is met. Further, in the context of interference coordination at the network node it is desirable to create clarity at the network node about the time instances when the mobile station is taking measurements for its CQI reports. The purpose is to allow the network node to infer the actual interference situation of the mobile station from the mobile station's report and the network node's knowledge as to what has been transmitted in neighbouring cells.
  • signalling includes signalling a duration of filtering for a CQI report, or signalling the time instance (s) of signal strength or SINR measurement ( s ) that are the basis for a CQI report.
  • the signalling may happen in DL or in UL .
  • the time instances may be implicitly agreed upon by related configuration such as the CQI reporting period.
  • the network node signals to the mobile station that the CQI report should only be sent if a predetermined threshold is equalled or exceeded.
  • signalling comprises signalling a cell strength such that the CQI report is sent if the cell strength is equal to a predetermined threshold.
  • the condition to be met under which the mobile station should send a CQI report to the network node is if the signal strength in a particular cell signalled by the network node to the mobile station is equal to or exceeds a predetermined threshold.
  • the mobile station can be triggered to send a CQI report if the cell strength equals or exceeds the predetermined threshold.
  • signalling includes signalling in a downlink connection that the CQI report should be sent according to a particular interference situation.
  • the condition under which a CQI report should be sent by the mobile station in this case is that a particular interference or assistance situation is to be reported in the uplink, for example assist, DTx, normal, per neighbour cell.
  • This uplink interference or assistance situation is signalled from the network node to the mobile station in the downlink.
  • Signalling may also include signalling in a downlink connection that the CQI report should be sent if a predetermined threshold in an uplink connection is reached.
  • the network node signals in a downlink connection to the mobile station that it should send a CQI report only if this predetermined threshold in the uplink connection is reached. The mobile station can be triggered to send the CQI report if this predetermined threshold is reached.
  • the method may further include signalling that the CQI report of a requested interference situation is being be sent.
  • the mobile station signals the CQI report of a requested interference situation to the network node if this particular requested interference situation is occurring in the radio link.
  • a plurality of CQI reports may be time multiplexed.
  • the mobile station may report the different channel quality indicators for different radio links and/or different conditions in a time multiplexed form.
  • the CQI reports can then sent to the network node from the mobile station in time-multiplexed fashion.
  • An interval at which the CQI reports are sent to the network node can be determined by a channel coherence time .
  • the interval at which the mobile station sends CQI reports to the network node can be determined by a transmission mode or modes that is/are active.
  • the reporting interval may be driven by signalling by the network node .
  • the signalling can determine an interval at which the CQI reports are sent to the network node.
  • the network node can also communicate specific measurement times to the mobile station at which it should measure the signal strength or SINR to base the CQI reports on. Further, the network node may signal to the mobile station that it should measure CQI reports at specific times so that the mobile station only measures CQI reports at those specific times and not at any other time .
  • a cell or cells that the mobile station should monitor for the purposes of reporting the CQI is signalled.
  • the mobile station may monitor only a pilot channel in order to report the channel quality indicator, or may alternatively or additionally monitor data and/or control channel (s) .
  • Additional embodiments of the invention provide a network node, which includes a transmitter configured to signal to a mobile station a condition according to which a report of a CQI for a radio link should be sent by the mobile station to the network node.
  • the network node signals to the mobile station a condition under which it should send a CQI report to the network node. If this condition is not fulfilled, the mobile station does not send a CQI report. In this way, unnecessary reporting by the mobile station is avoided, thereby reducing interference and increasing efficiency in the network.
  • the network node may be a base station or Node B, for example .
  • the network node preferably includes a receiver configured to receive the CQI report if this condition is met. Since the network node only receives a CQI report if a particular condition is fulfilled, this provides the advantage of reduced interference and increased efficiency in the network.
  • the mobile station includes a measurement unit configured to measure the signal strength or SINR of a radio link.
  • a processor is provided, which is configured to obtain a channel quality indicator of the radio link from the measured signal strength.
  • a receiver is configured to receive signalling from a network node indicating a condition according to which a report of the CQI should be sent by the mobile station to the network node.
  • the mobile station measures the signal strength or SINR of a radio link and from the signal strength can derive a channel quality indicator of the radio link.
  • a report of the channel quality indicator is only sent by the mobile station to a network node if a certain condition or criteria is met. This condition is signalled to the mobile station by the network node. In this way, unnecessary reporting by the mobile station is avoided, which results in reduced interference and increased efficiency in the radio link (s) .
  • the mobile station further includes a transmitter configured to send the CQI report to the network node if the condition is met. If the mobile station determines that the condition signalled to it by the network node is met, it sends a channel quality indicator report to the network node. If, however, it is determined that the condition signalled by the network node is not met, the mobile station does not send a channel quality report to the network node. In this way, unnecessary reporting by the mobile station is avoided, thereby reducing interference.
  • the transmitter of the mobile station may be triggered to send the channel quality indicator report if the condition signalled by the network node is met.
  • Embodiments of the invention further provide a computer program product including a program comprising software code portions being arranged, when run on a processor, to perform measuring a signal strength of a radio link, obtaining a channel quality indicator of the radio link from the measured signal strength, and signalling a condition according to which a report of the channel quality indicator should be sent.
  • the computer program product may include a computer- readable medium on which the software code portions are stored, and/or wherein the program is directly loadable into a memory of the processor.
  • Figure 1 is a simplified schematic diagram of a communications network
  • Figure 2 is a simplified schematic diagram of a network node in the communications network
  • Figure 3 is a simplified schematic diagram of a mobile station
  • Figure 4 is simplified schematic diagram of a serving cell neighbour cells in the communications network; and Figure 5 is a flow diagram illustrating a method according to an embodiment of the invention.
  • TTI-to-TTI reporting mechanisms allow only a summary of SINR-related values to be reported by the UE to the Node B.
  • measured values may be filtered at the UE and additionally the reported values may be filtered at the Node B.
  • neighbouring cells may discontinue data transmission so as to lower the interference level in a particular TTI. Consequently, not only the SIR of the thereby assisted UE is improved, but also the UEs involved may measure and possibly report a better SIR situation for that situation.
  • the Node B may handle these changing SIR reports by taking into account the transmission situations, and by inverse-filtering the SIR measurements and/or corresponding CQI values taken by the UE .
  • the UE may report two CQI values; one corresponding to the SIR without DTx and one to the SIR with DTx.
  • the UE may not know whether a neighbour cell is actually transmitting at full power or only control. Therefore it would be more advantageous if signal levels of sectors for a certain TTI or defined range of TTIs could be reported.
  • the SIR reporting situation is analogous to the "HS-DDTx" scheme described above.
  • the UE should report the SIR for receiving no assistance from the neighbouring cell and for receiving assistance from a neighbouring cell.
  • the Node B would be provided with a less ambiguous information if it were to receive signal-strength reports, or corresponding CQIs of neighbouring cells.
  • the UE In a scheme where HS-SFN and HS-DDTx are combined, the UE would need to report a number of CQIs, and the present invitation addresses an efficient manner in which to do this .
  • Multiflow the UE may maintain separate links and the Node Bs may schedule independently.
  • the same problems with CQI reporting will arise as for the other transmission schemes described above.
  • FIG. 1 shows a wireless communications network, which includes a base station or Node B 1, which may be controlled by a radio network controller (RNC) 2 over an Iub interface.
  • RNC radio network controller
  • a mobile station or user equipment (UE) 3 can access the network via the Node B 1 so that a radio link may be set up between the UE 2 and the Node B 1 over a Uu interface.
  • the Node B 1 is shown in more detail in Figure 3 and includes a transmitter 4 and a receiver 5 and provides access to a serving cell A of the network.
  • the UE 3 includes a transmitter 6 and a receiver 7, as well as a measurement unit 8 and a processor 9.
  • the serving cell A to which the Node B 1 belongs has neighbour cells B and C, as illustrated in Figure 4.
  • the UE 3 is in the cell A and receives signals from the Node B 1 but may also receive from the cells B and C. This means that the following transmission/schemes reception schemes may occur: a) The UE 3 receives only from cell A, while B and C are transmitting to other users;
  • the UE receives only from cell A, while B is not transmitting, but C is;
  • the UE receives from cell A and B at the same time (HS-SFN mode) , while C is on; and
  • the UE receives from cell A and B at the same time (HS-SFN mode), while C is off.
  • the UE 3 For a signalling scheme where, for example, the UE 3 reports the estimated SIR or derived CQI, it would have to relay 5 different values to the Node B 1. For UE filtering operations that are unknown at the Node B 1, the reported values cannot possibly be interpreted unambiguously by the Node B 1.
  • Figure 5 is a flow chart illustrating the method according to the invention, which avoids unnecessary reporting of CQIs by the UE 3, thereby reducing interference and allowing for efficient interpretation at the Node B 1.
  • step SI the UE 3 measures the signal strength or SINR of current radio links with the serving cell A and neighbouring cells B and C. In order to do this, the UE 3 may monitor only a pilot channel. Alternatively, or in addition, the UE 3 may monitor data and control channels. From the measured signal strength or SINR, the CQIs of the radio links are obtained. In step S2, the Node B 1 signals to the UE 3 the condition (s) according to which a report of the CQI(s) should be sent by UE 3 to the Node B 1.
  • the following conditions for sending CQI reports may be signalled in signalling messages from the Node B 1 to the UE 3. a) Signal (or agree on) the duration of filtering for a report prior to its sending;
  • Step S3 it is determined whether the signalled condition (s) has been met. If the condition is met, in Step S4, the UE 3 sends the relevant CQI report (s) to the Node B 1. The UE 3 may be triggered to send the CQI report (s) upon the relevant condition (s) being met. However, if the condition is not met or fulfilled, the UE 3 does not send any CQI report (Step S5) .
  • the UE 3 may report to the Node B 1 without ambiguity, since the reporting filtering has been determined beforehand, and only needs to report 3 CQI values as configured by the Node B, for example:
  • all 3 CQI values can be filtered over the coherence time and reported by the UE 3 to the Node B 1 in corresponding intervals without introducing significant accuracy impairments, as the Node B 1 is aware of the transmissions that had been occurring in the corresponding intervals.
  • a filtering configuration may be implemented by the Node B 1 specifying a contiguous time interval for SINR measurements to be taken by the UE 3. Alternatively, this may also be implemented, for example, by the UE 3 using equidistant time instances to take SINR measurement samples.
  • Coding of the CQI values may be implemented by reporting offsets of the second and third report with respect to the first, for example.
  • thresholds may be implemented, for example by sending report 2) or 3) only if the expected data rate of those particular transmission schemes is increased by a factor 2.
  • the UE 3 may send CQI reports concurrently, or alternatively time multiplexing of reports may be implemented by sending CQI reports in subsequent TTIs. Not sending a CQI report results in reduced system interference in both cases .
  • a configuration message sent from the Node B 1 to the UE 3 to clarify the SINR measuring intervals to the UE 3 is
  • a configuration message may include
  • a downlink configuration message indicating under which scenarios or conditions the UE 3 should send a CQI report may be as follows:
  • scenarioX "mode, neighbour 1, neighbour 2, threshold”, "
  • mode indicates which type of assistance (HS-SFN, HS-SFN with feedback, Multiflow) which selects an SINR estimation algorithm in the UE 3.
  • This signalling reguire 1 or 2 bits, or can be omitted if there is only one type of assistance that the UE 3 is configured for.
  • neighbor x is 1 bit indicating whether the neighbour transmissions are on off
  • threshold indicates either a minimum CQI to achieve for this scenario or condition, or a factor by which this condition exceeds other conditions in the configuration list before reporting this CQI.
  • An uplink signalling message indicating the conditions under which CQIs are to be reported may be as follows: ...
  • “scenCQIx” is a reporting scheme which indicates a bit mask signalling the configuration followed by the reported CQI value. For example:
  • the UE 3 may report
  • any method step is suitable to be implemented as software or by hardware without changing the idea of the embodiments and its modification in terms of the functionality implemented;
  • any module (s) thereof are hardware independent and can be implemented using any known or future developed hardware technology or any hybrids of these, such as MOS (Metal Oxide Semiconductor) , CMOS (Complementary MOS) , BiMOS (Bipolar MOS), BiCMOS (Bipolar CMOS), ECL (Emitter Coupled Logic) , TTL (Transistor-Transistor Logic) , etc., using for example ASIC (Application Specific IC (Integrated Circuit)) components, FPGA (Field- programmable Gate Arrays) components, CPLD (Complex Programmable Logic Device) components or DSP (Digital Signal Processor) components;
  • ASIC Application Specific IC
  • FPGA Field- programmable Gate Arrays
  • CPLD Complex Programmable Logic Device
  • DSP Digital Signal Processor
  • devices, units or means can be implemented as individual devices, units or means, but this does not exclude that they are implemented in a distributed fashion throughout the system, as long as the functionality of the device, unit or means is preserved;
  • an apparatus may be represented by a semiconductor chip, a chipset, or a (hardware) module comprising such chip or chipset; this, however, does not exclude the possibility that a functionality of an apparatus or module, instead of being hardware implemented, be implemented as software in a (software) module such as a computer program or a computer program product comprising executable software code portions for execution/being run on a processor;
  • a device may be regarded as an apparatus or as an assembly of more than one apparatus, whether functionally in cooperation with each other or functionally independently of each other but in a same device housing, for example.
  • respective functional blocks or elements according to above- described aspects can be implemented by any known means, either in hardware and/or software, respectively, if it is only adapted to perform the described functions of the respective parts.
  • the mentioned method steps can be realized in individual functional blocks or by individual devices, or one or more of the method steps can be realized in a single functional block or by a single device.
  • any method step is suitable to be implemented as software or by hardware without changing the idea of the present invention.
  • Devices and means can be implemented as individual devices, but this does not exclude that they are implemented in a distributed fashion throughout the system, as long as the functionality of the device is preserved. Such and similar principles are to be considered as known to a skilled person.
  • the terms "user equipment (UE)” and “mobile station” described herein may refer to any mobile or stationary device including a mobile telephone, a portable computer, a mobile broadband adapter, a USB stick for enabling a device to access to a mobile network, etc.

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

Abstract

Une intensité du signal d'une liaison radio est mesurée au niveau d'une station mobile. Un indicateur de qualité de canal de la liaison radio est obtenu à partir de l'intensité de signal mesurée. Un nœud de réseau signale à la station mobile une condition selon laquelle un rapport du CQI doit être envoyé par la station mobile au nœud de réseau.
PCT/EP2012/054375 2011-04-05 2012-03-13 Envoi d'un rapport d'indication de qualité de canal (cqi) dans un réseau de communication Ceased WO2012136450A1 (fr)

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EPPCT/EP2011/055288 2011-04-05
EP2011055288 2011-04-05

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015199588A1 (fr) * 2014-06-24 2015-12-30 Telefonaktiebolaget L M Ericsson (Publ) Dispositif sans fil, nœud de réseau et procédés dans ceux-ci pour rendre compte d'informations d'état de canal (csi) dans un réseau de communications radio
WO2016010468A1 (fr) * 2014-07-17 2016-01-21 Telefonaktiebolaget L M Ericsson (Publ) Prise de décisions de transfert intercellulaire dans un réseau sans fil
WO2016120454A1 (fr) * 2015-01-30 2016-08-04 Telefonaktiebolaget Lm Ericsson (Publ) Procédés et dispositifs pour le signalement d'informations de filtrage d'informations d'état de canal
WO2016198912A1 (fr) * 2015-06-08 2016-12-15 Telefonaktiebolaget Lm Ericsson (Publ) Classification d'entités d'établissement de rapports pour une gestion de ressources de communication
WO2017200439A1 (fr) * 2016-05-19 2017-11-23 Telefonaktiebolaget Lm Ericsson (Publ) Nœud de réseau radio, dispositif sans fil et procédés mis en œuvre dans ce dernier
CN111885635A (zh) * 2020-07-09 2020-11-03 北京长焜科技有限公司 一种提高pucch信道质量指示cqi检测性能的方法
EP3304977B1 (fr) * 2015-06-01 2020-12-30 Telefonaktiebolaget LM Ericsson (publ) Gestionnaire de groupe et procédé
WO2025112532A1 (fr) * 2023-11-30 2025-06-05 华为技术有限公司 Procédé et appareil de communication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008021573A2 (fr) * 2006-08-18 2008-02-21 Interdigital Technology Corporation Envoi et réduction d'une signalisation de rétroaction en liaison montante dans la transmission de données de services multidestination et de diffusion multimédia
US20080057969A1 (en) * 2006-09-05 2008-03-06 Motorola, Inc. Method and apparatus for providing channel quality feedback in a wireless communication system
WO2009082335A1 (fr) * 2007-12-21 2009-07-02 Telefonaktiebolaget L M Ericsson (Publ) Procédé, appareil et nœud de réseau pour appliquer une élaboration de rapports de cqi conditionnelle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008021573A2 (fr) * 2006-08-18 2008-02-21 Interdigital Technology Corporation Envoi et réduction d'une signalisation de rétroaction en liaison montante dans la transmission de données de services multidestination et de diffusion multimédia
US20080057969A1 (en) * 2006-09-05 2008-03-06 Motorola, Inc. Method and apparatus for providing channel quality feedback in a wireless communication system
WO2009082335A1 (fr) * 2007-12-21 2009-07-02 Telefonaktiebolaget L M Ericsson (Publ) Procédé, appareil et nœud de réseau pour appliquer une élaboration de rapports de cqi conditionnelle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Physical layer; Measurements (FDD) (Release 10)", 3GPP STANDARD; 3GPP TS 25.215, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, no. V10.0.0, 29 March 2011 (2011-03-29), pages 1 - 23, XP050476516 *

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* Cited by examiner, † Cited by third party
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US11606800B2 (en) 2014-06-24 2023-03-14 Telefonaktiebolaget L M Ericsson (Publ) Wireless device, a network node and methods therein for reporting channel state information (CSI) in a radio communications network
CN106465403A (zh) * 2014-06-24 2017-02-22 瑞典爱立信有限公司 在无线电通信网络中报告信道状态信息(csi)的无线设备、网络节点和其中的方法
JP2017529714A (ja) * 2014-06-24 2017-10-05 テレフオンアクチーボラゲット エルエム エリクソン（パブル） 無線通信ネットワーク内でチャネル状態情報（ｃｓｉ）を報告するためのワイヤレスデバイス、ネットワークノード及びそれらにおける方法
US10945272B2 (en) 2014-06-24 2021-03-09 Telefonaktiebolaget L M Ericsson (Publ) Wireless device, a network node and methods therein for reporting channel state information (CSI) in a radio communications network
US9986573B2 (en) 2014-06-24 2018-05-29 Telefonaktiebolaget L M Ericsson (Publ) Wireless device, a network node and methods therein for reporting channel state information (CSI) in a radio communications network
WO2015199588A1 (fr) * 2014-06-24 2015-12-30 Telefonaktiebolaget L M Ericsson (Publ) Dispositif sans fil, nœud de réseau et procédés dans ceux-ci pour rendre compte d'informations d'état de canal (csi) dans un réseau de communications radio
RU2666267C2 (ru) * 2014-06-24 2018-09-06 Телефонактиеболагет Лм Эрикссон (Пабл) Беспроводное устройство, сетевой узел и способы для предоставления информации о состоянии канала (csi) в сети радиопередачи данных
EP3461210A1 (fr) * 2014-06-24 2019-03-27 Telefonaktiebolaget LM Ericsson (publ) Dispositif sans fil, n ud de réseau et procédés pour rapporter des informations d'état de canal (csi) dans un réseau de communications radio
CN106465403B (zh) * 2014-06-24 2019-12-31 瑞典爱立信有限公司 在无线电通信网络中报告信道状态信息(csi)的无线设备、网络节点和其中的方法
WO2016010468A1 (fr) * 2014-07-17 2016-01-21 Telefonaktiebolaget L M Ericsson (Publ) Prise de décisions de transfert intercellulaire dans un réseau sans fil
WO2016120454A1 (fr) * 2015-01-30 2016-08-04 Telefonaktiebolaget Lm Ericsson (Publ) Procédés et dispositifs pour le signalement d'informations de filtrage d'informations d'état de canal
EP3304977B1 (fr) * 2015-06-01 2020-12-30 Telefonaktiebolaget LM Ericsson (publ) Gestionnaire de groupe et procédé
US10028296B2 (en) 2015-06-08 2018-07-17 Telefonaktiebolaget Lm Ericsson (Publ) Classification of reporting entities for communication resource management
WO2016198912A1 (fr) * 2015-06-08 2016-12-15 Telefonaktiebolaget Lm Ericsson (Publ) Classification d'entités d'établissement de rapports pour une gestion de ressources de communication
US10659128B2 (en) 2016-05-19 2020-05-19 Telefonaktiebolaget Lm Ericsson (Publ) Radio network node, wireless device and methods performed therein
WO2017200439A1 (fr) * 2016-05-19 2017-11-23 Telefonaktiebolaget Lm Ericsson (Publ) Nœud de réseau radio, dispositif sans fil et procédés mis en œuvre dans ce dernier
CN111885635A (zh) * 2020-07-09 2020-11-03 北京长焜科技有限公司 一种提高pucch信道质量指示cqi检测性能的方法
CN111885635B (zh) * 2020-07-09 2023-11-14 北京长焜科技有限公司 一种提高pucch信道质量指示cqi检测性能的方法
WO2025112532A1 (fr) * 2023-11-30 2025-06-05 华为技术有限公司 Procédé et appareil de communication

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