WO2014067131A1 - Système de notification à l'aide d'une signalisation d'une interférence de coexistence dans un dispositif - Google Patents

Système de notification à l'aide d'une signalisation d'une interférence de coexistence dans un dispositif Download PDF

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Publication number
WO2014067131A1
WO2014067131A1 PCT/CN2012/083989 CN2012083989W WO2014067131A1 WO 2014067131 A1 WO2014067131 A1 WO 2014067131A1 CN 2012083989 W CN2012083989 W CN 2012083989W WO 2014067131 A1 WO2014067131 A1 WO 2014067131A1
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WO
WIPO (PCT)
Prior art keywords
indication
harmonic distortion
order harmonic
communications
frequency
Prior art date
Application number
PCT/CN2012/083989
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English (en)
Inventor
Wei Hong
Jouni Kristian Kaukovuori
Na WEI
Jari Jaakko ISOKANGAS
Haiming Wang
Antti Oskari Immonen
Original Assignee
Broadcom Corporation
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.)
Filing date
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Application filed by Broadcom Corporation filed Critical Broadcom Corporation
Priority to PCT/CN2012/083989 priority Critical patent/WO2014067131A1/fr
Publication of WO2014067131A1 publication Critical patent/WO2014067131A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • 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
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present disclosure relates the field of wireless communications, and more particularly to a signaling notification scheme for in-device coexistence interference caused by third order harmonic distortion.
  • a mobile device also called a User Equipment (UE) may operate in a wireless communication network that provides high-speed data and/or voice communications.
  • the wireless communication networks may implement circuit-switched (CS) and/or packet-switched (PS) communication protocols to provide various services.
  • the UE may operate in accordance with one or more of a Code Division Multiple Access (CDMA) networks, Time Division Multiple Access (TDMA) networks, Frequency Division Multiple Access (FDMA) networks, Orthogonal FDMA (OFDMA) networks, Single-Carrier FDMA (SC-FDMA) networks, etc.
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal FDMA
  • SC-FDMA Single-Carrier FDMA
  • a CDMA network may implement a radio technology such as Universal Terrestrial Radio Access (UTRA), cdma2000, etc.
  • UTRA includes Wideband-CDMA (W-CDMA) and Low Chip Rate (LCR) cdma2000 covers IS-2000, IS-95 and IS-856 standards.
  • W-CDMA Wideband-CDMA
  • LCR Low Chip Rate
  • a TDMA network may implement a radio technology such as Global System for Mobile Communications (GSM).
  • GSM Global System for Mobile Communications
  • An OFDMA network may implement a radio technology such as Evolved UTRA (E-UTRA), IEEE 802.11, IEEE 802.16, IEEE 802.20, Flash-OFDM®, etc.
  • E-UTRA, E-UTRA, and GSM are part of Universal Mobile Telecommunication System (UMTS).
  • UMTS Universal Mobile Telecommunication System
  • LTE Long Term Evolution
  • UTRA, E-UTRA, GSM, UMTS and LTE are described in documents from an organization named "3rd Generation Partnership Project" (3GPP).
  • cdma2000 is described in documents from an organization named "3rd Generation Partnership Project 2" (3GPP2).
  • LTE Long Term Evolution
  • GSM Global System for Mobile Communications
  • UMTS Universal Mobile Telecommunication System/High Speed Packet Access
  • the IP -based LTE network architecture called the Evolved Packet Core (EPC) supports seamless handovers for both voice and data to cell towers with older network technology such as GSM, UMTS and CDMA2000.
  • EPC Evolved Packet Core
  • the LTE technology is adapted for a smooth evolution from earlier 3GPP systems.
  • technologies such as inter-cell interference coordination (ICIC) in the frequency domain and enhanced ICIC (elCIC) in the time domain have been developed for a new heterogeneous network topology in LTE-Advanced technology.
  • ICIC inter-cell interference coordination
  • elCIC enhanced ICIC
  • Heterogeneous networks arose due to the rapidly increasing numbers of mobile subscribers and demand for bandwidth, and the inadequacy of traditional macro base stations to meet subscriber requirements.
  • Homogenous networks consisting of solely traditional macro base stations may have blind spots in coverage that adversely impact user experience.
  • LTE network topology With the introduction of lower power base stations, including pico cells, femtocells, and relay nodes, LTE network topology becomes a heterogeneous network (HetNet) that is able to deliver more complete coverage.
  • HetNet heterogeneous network
  • LPNs low power nodes
  • RRU/RRH Radio Resource Unit
  • pico eNB Enhanced Node B
  • home eNB home eNB
  • relay node a node B coverage cell
  • a UE may be equipped with, for example, LTE, WiFi, and Bluetooth transceivers, as well as GNSS/GPS receivers, and the like.
  • LTE Long Term Evolution
  • WiFi Wireless Fidelity
  • Bluetooth Wireless Fidelity
  • GNSS GNSS/GPS receivers
  • a method comprises determining that an interference caused by third order harmonic distortion between communications using a first frequency and communications using a second frequency is present, generating an indication for indicating that the interference caused by third order harmonic distortion exists, and causing transmission of the indication to a communication network in which at least one of communications using a first frequency and communications using a second frequency is conducted.
  • a wireless network communication device comprises a host processor, a network interface coupled to the host processor and comprising a transceiver operable to generate and transmit a message including in-device coexistence indication information element to a network control element, the in-device coexistence indication information element including an indication that an interference caused by third order harmonic distortion exists.
  • a method of operating a network control element in a wireless network comprises receiving a message having an in-device coexistence indication specifying that interference caused by third order harmonic distortion is present in a user equipment, and making changes in communication with the user equipment to reduce the interference caused by third order harmonic distortion.
  • FIG. 1 is a simplified a diagram illustrating a communication network structure
  • FIG. 2 is a block circuit diagram illustrating a configuration of a communication element with an indication of interferences caused by different communications
  • FIG. 3 is a diagram illustrating a distribution of frequency bands for different types of communications
  • FIG. 4 is a diagram illustrating examples of interferences caused by communications via different frequency bands
  • FIG. 5 is a flowchart illustrating a communication procedure conducted by a communication element according to teachings of the present disclosure
  • FIG. 6 is a block circuit diagram of a communication element including processing portions conducting functions according to teachings of the present disclosure.
  • FIG. 7 is a block circuit diagram of a communication network control element including processing portions conducting functions according to teachings of the present disclosure.
  • a communication element 10 such as a User Equipment (UE) or the like is capable of communicating with different kinds of communication networks or devices via carriers operating in different frequency bands.
  • a communication network control element 12 such as a Base Station (BS) or Enhanced Node B (eNB) controlling a communication area or cell 14.
  • BS Base Station
  • eNB Enhanced Node B
  • the UE 10 communicates with the eNB 12 via one or more communication paths (illustrated by solid and dashed arrows in uplink (UL) and downlink (DL) directions).
  • Carrier aggregation (CA) is implemented in some examples of embodiments of the invention, wherein for example two or more UL communications with the eNB 12 are established. Further, different communication accesses, networks, and systems are present with which the UE 10 communicates in parallel to the communications conducted with the eNB 12.
  • a communication system 16 using an Industrial, Scientific, and Medical (ISM) band such as a Bluetooth (BT) or Wireless Local Area Network (WLAN/WiFi) system, is provided, e.g., in the form of a corresponding server and transceiver with which the UE 10 communicates in UL and/or DL direction.
  • ISM Industrial, Scientific, and Medical
  • BT Bluetooth
  • WLAN/WiFi Wireless Local Area Network
  • GNSS GNSS
  • GPS GPS
  • other positioning systems 18 having plural satellite transmitters which send signals for determining a positioning solution.
  • the UE 10 is equipped with multiple radio transceivers as shown in FIG. 2, for example.
  • the UE 10 is equipped with plural transceiver/antenna configurations, for example a transceiver/antenna configuration connected to ANT#1 used for communications with the eNB 12 (referred to as LTE based communications, which however also applies generally for LTE-A based communications), a receiver/antenna configuration connected to ANT#2 used for communications with the GNSS or GPS system 18 (referred to as GPS based communications), and a transceiver/antenna configuration connected to ANT#3 used for communications with the ISM based server 16 (referred to as WLAN/BT based communication).
  • LTE based communications referred to as LTE based communications
  • GPS based communications GPS based communications
  • WLAN/BT based communication transceiver/antenna configuration connected to ANT#3 used for communications with the ISM based server 16
  • examples for coexistence interference which may be generated between those collocated radio transceivers are indicated by dashed arrows. That is, due to the proximity of the multiple radio transceivers within UE 10, a situation may arise in which the transmit power of one transmitter may be much higher than the received power level of another transceiver/receiver. Hence, interference from the LTE (or LTE-A) based communications to the GPS based communication and/or the WLAN/BT based communication may arise, while on the other hand also interference from the WLAN/BT communication to the LTE (or LTE-A) based communication may occur.
  • possible use cases of a concurrent communication via coexisting transmitters comprises an LTE based communication and a BT-based communication (e.g., BT earphone in VoIP service or Multimedia service), an LTE-based communication and a WLAN- based communication (e.g., WiFi portable router or WiFi offload), an LTE-based communication, and a GNSS based communication (e.g. GNSS receiver), etc.
  • a BT-based communication e.g., BT earphone in VoIP service or Multimedia service
  • WLAN- based communication e.g., WiFi portable router or WiFi offload
  • LTE-based communication e.g. GNSS receiver
  • FIG. 3 provides an overview of a distribution of frequency spectra in different communication systems according to exemplary embodiments of the present disclosure.
  • LTE communication bands such as Band 40, Band 7 (UL and DL), Band 38, and ISM communication bands such as WiFi channels and BT channels are indicated in relation to each other by referring to their respective frequency ranges.
  • LTE band 7 (or LTE B7) in UL operates in a frequency area of 2500-2570MHz while WiFi (WLAN) channels can extend up to 2483MHz or even 2495MHz (e.g. in Japan).
  • a Chinese navigation satellite system, Beidou- 1 operates at the frequency of 24 1.75 MHz.
  • FIG. 4 shows a further diagram illustrating inter-RAT combinations where 3rd order harmonic distortion (HD3) results may hit on top of non-3GPP bands, such as BT or WLAN system.
  • non-3GPP bands such as BT or WLAN system.
  • BT or WLAN system 3rd order harmonic distortion
  • uplinks of Band 5 or Band 3 are active, they can cause de- sense on 2.4-GHz ISM or 5-GHz WLAN receivers, respectively.
  • the Chinese navigation satellite system Beidou- 1 which operates at a frequency of 2491.75 MHz, may suffer from UL operating around 830 MHz (currently, there are no such LTE networks in mainland China, which operate at 830 MHz, but if LTE deploys over CDMA there might be potential operator at Band 5, for example).
  • filtering can be used only up to certain extent as the power level of interfering component is dependent on the power level of transmitted powers, front-end (FE) components linearity, antenna isolation, and k-factor (ratio of overlapping interference and wanted signal in frequency domain). None of the before mentioned factors can be affected by filtering (only exception might in theory be antenna isolation). If the harmonic distortion component hits just on top of receiver, filtering won't provide any help. If the distortion component hits partially on top of receiver then filtering offers some help.
  • FE front-end
  • TDM Time Division Multiplex
  • DRX Discontinuous Reception
  • FDM Frequency Division Multiplex
  • autonomous denial etc.
  • P-MPR Power Management Power Reduction
  • Another approach according to a comparative example for handling interference problems in IDC scenarios is that the UE chooses one UL communication to deny, which is also referred to as an autonomous denial.
  • autonomous denial is considered in several communication networks as a solution allowed only for rare cases, e.g. if other solutions can not be used, which means that autonomous denial is to be used within limited cases.
  • the UE when it is determined that an interference situation is present which is caused by an HD3 between different communications in a UE or the like, the UE sends an indication to the network (e.g., the communication network control element like the eNB) to inform about the interference situation.
  • the network e.g., the communication network control element like the eNB
  • the UE may inform the eNB that an IDC problem is caused by HD3 (e.g. in the form of a new cause code).
  • a corresponding indication is sent to the eNB.
  • the indication may include new content added in an IDC indication signaling information element to specify that the IDC problem is caused by HD3.
  • the indication may comprise signaling independent from an IDC indication Radio Resource Control (RRC) signaling, such as a new Medium Access Control (MAC) Control Element (CE) or a new LI signaling.
  • RRC Radio Resource Control
  • MAC Medium Access Control
  • CE Medium Access Control Element
  • LI LI signaling
  • the new content added e.g., in the IDC indication signaling, information is provided to explicitly indicate that the HD3 is caused by which LTE frequency and/or Physical Resource Blocks (PRBs), so that the eNB packet scheduler may use this information and avoid giving the UE an allocation which includes the PRB in this range.
  • PRBs Physical Resource Blocks
  • FIG. 5 is a simplified flowchart illustrating a method for HD3 signaling notification in a communication network according to an embodiment of the present disclosure. Specifically, FIG. 5 shows a processing for controlling a corresponding communication and interference on the communication element side. The method in FIG. 5 is executed, according to embodiments of the present disclosure, in a communication element like the UE 10.
  • the UE 10 determines or obtains information that interference or IDC is being caused by HD3 in uplink or downlink communication. The information is obtained on the basis of a determination procedure conducted, e.g., on the UE 10 side, which comprises, according to examples of embodiments of the invention, a detennination that an interference between two communication frequencies is potentially caused by HD3.
  • an indication to be sent to the network or eNB is generated.
  • the indication may be a message or information element that provides an identification of HD3 as the cause of interference.
  • the LTE frequency or PRBs that may be the cause of the HD3 interference may be specified in the indication.
  • the indication is transmitted to the network using IDC or alternative signaling. The process ends in block 26.
  • a structure of an indication of the interference situation according to teachings of the present disclosure is indicated below. Specifically, an example for a stmcture of the indication when using an IDC indication with new content is described.
  • the IDC indication is transmitted from the UE 10 to the eNB 20 for reporting about the IDC properties and status.
  • the new content in IDC indication signaling to solve the HD3 problem may include:
  • FIG. 6 a simplified block circuit diagram of a circuitry indicating a configuration of a communication element, such as the UE 10, is shown to implement the procedure as described above. That is, a circuitry is shown which comprises at least one processor and at least one memory including computer program code the at least one memory and the computer program code being configured to, with the at least one processor, cause the UE 10 to perform functions described below, for example by executing a corresponding algorithm. It is to be noted that the communication element or UE 10 shown in FIG. 6 may comprise many additional elements or functions besides those described herein below, which are omitted for the sake of simplicity as they are not essential for understanding the invention.
  • the communication element may be also another terminal device having a similar function, such as a modem chipset, a chip, a module etc., which can also be part of an UE or attached as a separate element to a UE, or the like.
  • the communication element or UE 10 may comprise a processing function or processor 30, such as a CPU or the like, which executes instructions given by programs or the like related to the communication control procedure.
  • the processor 30 may comprise one or more processing portions dedicated to specific processing as described below, or the processing may be run in a single processor. Portions for executing such specific processing may be also provided as discrete elements or within one or more further processors or processing portions, such as in one physical processor like a CPU or in several physical entities, for example.
  • Reference sign 32 denotes transceiver or input/output (I/O) units connected to the processor 30.
  • the I/O unit 32 may be used for communicating with a communication network control element like eNB 12 (FIG.
  • the I/O unit 32 may be a combined unit comprising communication equipment towards several network elements, or may comprise a distributed structure with a plurality of different interfaces for different network elements (for example as shown in FIG. 2).
  • a memory 34 is coupled to the processor 30 and is usable, for example, for storing data and programs to be executed by the processor 30 and/or as a working storage of the processor 30.
  • the processor 30 is configured to execute processing related to the above described communication procedure.
  • the processor 30 comprises a sub-portion 41 usable as a processing portion for obtaining information about an interference situation.
  • the portion 41 may be configured to perform a processing according to step 20 of FIG. 5, for example.
  • the processor 30 comprises a sub-portion 42 usable as a portion for preparing an indication regarding the interference situation (e.g. in case of HD3 caused interference).
  • the portion 42 may be configured to perform a processing according to step 20 of FIG. 5, for example.
  • the processor 30 comprises a sub-portion 43 usable as a processing portion for causing transmission of the indication.
  • the portion 43 may be configured to perform a processing according to step 24 of FIG. 5, for example.
  • the processor 30 comprises a sub-portion 44 usable as a processing portion for determining (or calculating/deciding) that an interference situation caused by HD3 is present.
  • the portion 44 may be configured to perform the above described processing regarding interference determination. It is to be noted that the information obtained in sub-portion 41 is provided, according to teachings of the present disclosure, by sub-portion 44, or according to some other examples of embodiments of the invention by another source being capable to provide this information (e.g., another chip, processor etc.).
  • FIG. 7 a simplified block circuit diagram of a circuitry indicating a configuration of a communication network control element, such as the eNB 12, is shown to implement the procedure as described above. That is, a circuitry is shown which comprises at least one processor and at least one memory including computer program code the at least one memory and the computer program code being configured to, with the at least one processor, cause the eNB 12 to perform functions described below, for example by executing a corresponding algorithm. It is to be noted that the communication network control element or eNB 12 shown in FIG. 7 may comprise several further elements or functions besides those described herein below, which are omitted for the sake of simplicity as they are not essential for understanding the invention.
  • the communication network control element may be also another device having a similar function, such as a modem chipset, a chip, a module etc., which can also be part of a BS or eNB or attached as a separate element to a BS or eNB, or the like.
  • the communication network control element or eNB 12 may comprise a processing function or processor 51, such as a CPU or the like, which executes instructions given by programs or the like related to the communication control procedure.
  • the processor 51 may comprise one or more processing portions dedicated to specific processing as described below, or the processing may be ran in a single processor. Portions for executing such specific processing may be also provided as discrete elements or within one or more further processors or processing portions, such as in one physical processor like a CPU or in several physical entities, for example.
  • a transceiver or input output (I O) unit 52 is connected to the processor 51.
  • the I/O unit 52 may be used for communicating with a communication element like the UE 10.
  • the I/O unit 52 may be a combined unit comprising communication equipment towards several network elements, or may comprise a distributed structure with a plurality of different interfaces for different network elements.
  • a memory 53 is coupled to the processor 51 and is usable, for example, for storing data and programs to be executed by the processor 51 and/or as a working storage of the processor 51.
  • the processor 51 is configured to execute processing related to the above described communication procedure.
  • the processor 51 comprises a sub-portion 61 as a processing portion which is usable for receiving from a UE an interference indication related to HD3-caused interferences.
  • the processor 51 comprises a sub-portion 62 usable as a portion for processing the indication and for acquiring parameters related to the interference by HD3.
  • the processor 51 comprises a sub-portion 63 usable as a processing portion for conducting a control in communications to and from the UE sending the indication for reducing the interference.
  • an access technology via which signaling is transferred to and from a network element may be any technology by means of which a network element or sensor node can access another network element or node (e.g., via a base station or generally an access node).
  • Any present or future technology such as WLAN (Wireless Local Access Network), WiMAX (Worldwide Interoperability for Microwave Access), LTE, LTE-A, Bluetooth, Infrared, and the like may be used; although the above technologies are mostly wireless access technologies, e.g. in different radio spectra, access technology in the sense of the present invention implies also wired technologies, e.g. IP based access technologies like cable networks or fixed lines but also circuit switched access technologies; access technologies may be distinguishable in at least two categories or access domains such as packet switched and circuit switched, but the existence of more than two access domains does not impede the invention being applied thereto;
  • - usable communication networks and transmission nodes may be or comprise any device, apparatus, unit or means by which a station, entity or other user equipment may connect to and/or utilize services offered by the access network; such services include, among others, data and/or (audio-) visual communication, data download etc.;
  • a user equipment or communication network element may be any device, apparatus, unit or means which is usable as a user communication device and by which a system user or subscriber may experience services from an access network, such as a mobile phone, a wireless mobile terminal, a personal digital assistant PDA, a smart phone, a personal computer (PC), a laptop computer, a desktop computer or a device having a corresponding functionality, such as a modem chipset, a chip, a module etc., which can also be part of a UE or attached as a separate element to a UE, or the like, wherein corresponding devices or terminals may be, for example, an LTE, an LTE-A, a TETRA (Terrestrial Trunked Radio), an UMTS, a GSM/EDGE etc. smart mobile terminal or the like;
  • an access network such as a mobile phone, a wireless mobile terminal, a personal digital assistant PDA, a smart phone, a personal computer (PC), a laptop computer, a desktop computer or
  • any method step is suitable to be implemented as software or by hardware without changing the idea of the invention in terms of the functionality implemented;
  • - method steps and/or devices, apparatuses, units or means likely to be implemented as hardware components at a terminal or network element, or 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 a microprocessor or CPU (Central Processing Unit), 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; in addition, any method steps and/or devices, units
  • - devices, apparatuses, units or means can be implemented as individual devices, apparatuses, 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, apparatus, unit or means is preserved; for example, for executing operations and functions according to examples of embodiments of the invention, one or more processors may be used or shared in the processing, or one or more processing sections or processing portions may be used and shared in the processing, wherein one physical processor or more than one physical processor may be used for implementing one or more processing portions dedicated to specific processing as described,
  • 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.
  • circuitry' refers to all of the following: (a) hardware-only circuit implementations (such as implementations in only analog and/or digital circuitry) and (b) combinations of circuits and software (and/or firmware), such as (as applicable): (i) a combination of processor(s) or (ii) portions of processor(s)/software (including digital signal processor(s)), software, and memory(or memories) working together to cause an apparatus, such as a mobile phone or server, to perform various functions) and (c) circuits, such as a microprocessor (or plural microprocessors) or a portion of a microprocessor (or plural microprocessors), that requires/require software or firmware for operation, even if the software or firmware is not physically present.
  • circuitry applies to all uses of this term in this application, including in any claims.
  • circuitry would also cover an implementation of merely a processor (or multiple processors) or portion of a processor and its (or their) accompanying software and/or firmware.
  • circuitry would also cover, for example and if applicable to the particular claim element, a baseband integrated circuit or applications processor integrated circuit for a mobile phone or a similar integrated circuit in server, a cellular network device, or other network device.
  • IP Internet Protocol [0076] ISM Industrial, Scientific, Medical

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  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé qui consiste à déterminer la présence d'une interférence causée par la distorsion harmonique de troisième ordre entre des communications utilisant une première fréquence et des communications utilisant une deuxième fréquence, à générer une indication permettant d'indiquer que l'interférence causée par une distorsion harmonique de troisième ordre existe, et à transmettre l'indication à un réseau de communication dans lequel au moins une communication parmi les communications utilisant une première fréquence et les communications utilisant une deuxième fréquence est effectuée.
PCT/CN2012/083989 2012-11-02 2012-11-02 Système de notification à l'aide d'une signalisation d'une interférence de coexistence dans un dispositif WO2014067131A1 (fr)

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WO2017050395A1 (fr) * 2015-09-25 2017-03-30 Nokia Solutions And Networks Oy Réduction d'interférence de coexistence dans un dispositif
WO2018232718A1 (fr) * 2017-06-23 2018-12-27 Oppo广东移动通信有限公司 Procédé et dispositif de communication sans fil
WO2019071576A1 (fr) * 2017-10-13 2019-04-18 Oppo广东移动通信有限公司 Procédé de transmission de données, dispositif terminal et dispositif de réseau
WO2019079938A1 (fr) * 2017-10-23 2019-05-02 Hewlett Packard Enterprise Development Lp Détermination de fréquences disponibles sur la base de fréquences et de niveaux d'énergie d'interférences
CN109756317A (zh) * 2017-11-07 2019-05-14 华为技术有限公司 干扰确定方法及网络设备
CN112292885A (zh) * 2019-05-23 2021-01-29 北京小米移动软件有限公司 数据传输方法、装置、设备及存储介质

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