[go: up one dir, main page]

WO2013071488A1 - Procédé, appareil et produit de programme d'ordinateur pour l'adaptation de porteuses sans licence - Google Patents

Procédé, appareil et produit de programme d'ordinateur pour l'adaptation de porteuses sans licence Download PDF

Info

Publication number
WO2013071488A1
WO2013071488A1 PCT/CN2011/082227 CN2011082227W WO2013071488A1 WO 2013071488 A1 WO2013071488 A1 WO 2013071488A1 CN 2011082227 W CN2011082227 W CN 2011082227W WO 2013071488 A1 WO2013071488 A1 WO 2013071488A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier
information
unlicensed radio
parameter
radio carrier
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/CN2011/082227
Other languages
English (en)
Inventor
Na WEI
Haiming Wang
Wei Bai
Wei Hong
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.)
Renesas Electronics Corp
Original Assignee
Renesas Mobile Corp
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
Publication date
Application filed by Renesas Mobile Corp filed Critical Renesas Mobile Corp
Priority to PCT/CN2011/082227 priority Critical patent/WO2013071488A1/fr
Publication of WO2013071488A1 publication Critical patent/WO2013071488A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the invention relates to mobile communication networks. More specifically, the invention relates to the radio interface between an apparatus for wireless communication and a network element comprising an unlicensed radio carrier.
  • LTE Long Term Evolution
  • 3GPP 3 rd Generation Partnership Project
  • 3GPP release 10 introduced a next version, LTE-Advanced, fulfilling the 4 th generation system requirements.
  • Carrier Aggregation is one of the key technologies of LTE-Advanced to greatly improve the data rate.
  • the Carrier Aggregation extends the maximum bandwidth in the uplink, downlink or both directions by aggregating multiple carriers and combining separate spectrum allocations. By utilizing unlicensed radio carriers or radio bands within the Carrier Aggregation, the concept further improves peak data rates, increases average data rates for users, balances the traffic load when necessary and thus improves the spectrum efficiency for the wireless operator .
  • the available unlicensed band may differ according to the location.
  • Examples of unlicensed spectrum or radio band are: the 2.4GHz ISM band (ISM; Industrial, Scientific and Medical) with the bandwidth of 83.5MHz, the 5GHz unlicensed band with the bandwidth larger than 100MHz, and the White Space spectrum comprising unused parts of the TV spectrum in the 54-698 MHz range.
  • the LTE system needs to solve the problem of spectrum sharing or time sharing with other systems existing in the unlicensed radio band.
  • Examples of co-existing systems utilizing the unlicensed band are IEEE 802.11 b/a/g/n/ac/af, Bluetooth, Zigbee, etc.
  • the fundamental access method of the IEEE 802.11 MAC is a DCF (Distributed Coordination Function) known as Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) .
  • the DCF shall be implemented in all stations (STA) .
  • STA stations
  • the station has to sense the status of the wireless medium before transmitting. If the medium is continuously idle for DCF Interframe Space (DIFS) duration, only then it is supposed to transmit a frame. If the channel is found busy during the DIFS interval, the station should defer its transmission. This enables the LTE to occupy the channel for a duration when the medium is available.
  • DIFS DCF Interframe Space
  • the LTE system is designed to utilize continuous transmission, as the wireless operator has purchased rights for a certain radio spectrum.
  • the LTE deployed to the unlicensed spectrum occupies the spectrum all the time, thereby totally blocking any other systems. This may violate the regulatory requirement of the unlicensed band.
  • a frequency sharing and/or time sharing scheme for Carrier Aggregation must be solved.
  • the invention discloses a method, comprising detecting a parameter comprising information about an unlicensed radio carrier; classifying the unlicensed radio carrier in response to the parameter; assigning a classified carrier set configuration comprising information about at least one unlicensed radio carrier; and transmitting the carrier set configuration to a wireless apparatus.
  • a wireless apparatus is a user equipment.
  • the parameter is an activity level measurement of a second system using the unlicensed radio carrier.
  • the second system are a wireless local area network or a Bluetooth system.
  • the parameter is used by the second system using the unlicensed radio carrier. Examples comprise type information of the second system, a wireless local area network channelization, channel bonding information, a Bluetooth hopping pattern or bandwidth information.
  • the wireless apparatus detects the parameter and transmits the parameter information to the base station.
  • the carrier set configuration comprises information about the radio carrier spectrum occupation method. In one embodiment the carrier set configuration comprises information about at least one time period of the user equipment and the base station not sending radio transmission on the unlicensed radio carrier, where said information is applied to all carriers within a carrier set.
  • a priority order is assigned to the carrier set configuration.
  • the carrier set configuration is updated in response to detecting a change in the parameter comprising information about an unlicensed radio carrier. The change may be detected in the co- existing system' s activity level or other characteristics of the unlicensed radio carrier.
  • the invention discloses also an apparatus for wireless communication configured to operate as a part of a network element, comprising at least one processor and at least one memory comprising program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to detect a parameter comprising information about an unlicensed radio carrier; classify the unlicensed radio carrier in response to the parameter; assign a classified carrier set configuration comprising information about at least one unlicensed radio carrier; and transmit the carrier set configuration to a user equipment.
  • An example of a network element according to the present invention is an evolved Node B (eNB) .
  • the evolved Node B is a base station according to 3GPP LTE .
  • the network element may also be a relay node, Donor evolved Node B (DeNB) or a similar element providing the functionality of a base station.
  • the parameter and the carrier set configuration used with the apparatus are defined and function similarly to the method according to the invention.
  • the apparatus configured to operate as a part of a network element is configured to assign a priority order to the carrier set configuration.
  • the apparatus is configured to update the carrier set in response to detecting a change in the parameter comprising information about an unlicensed radio carrier. The apparatus is configured for said detection.
  • the invention discloses also an apparatus for wireless communication configured to operate as a part of a user equipment, characterized in that the apparatus comprises at least one processor and at least one memory comprising program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to: receive a classified carrier set configuration comprising information about a radio carrier spectrum occupation method and information about at least one time period of the user equipment and the base station not sending radio transmission on the unlicensed radio carrier, where said information is applied to all carriers within a carrier set.
  • the user equipment are a mobile phone, a mobile computing device such as PDA, a laptop computer, a USB stick - basically any mobile device with wireless connectivity to a communication network.
  • the apparatus is different from the apparatus presented in the previous embodiment, defining the other member of the transmitter-receiver pair .
  • the apparatus is configured to detect a parameter comprising information about an unlicensed radio carrier and to transmit the information about the unlicensed radio carrier to the base station.
  • the apparatus is configured to update the carrier set configuration in response to detecting a change in the parameter comprising information about an unlicensed radio carrier. Examples of a change are variations in the activity level of the co-existing system, the co ⁇ existing system type information changing or characteristics of a wireless local area network.
  • the invention discloses also a computer program product comprising a computer-readable medium bearing computer program code embodied therein for use with a computer, the computer program code comprising code for detecting a parameter comprising information about an unlicensed radio carrier; code for classifying the unlicensed radio carrier in response to the parameter; code for assigning a classified carrier set configuration comprising information about at least one unlicensed radio carrier; and code for transmitting the carrier set configuration to a wireless apparatus.
  • a wireless apparatus is a user equipment.
  • the program comprises code for assigning a priority order to the carrier set configuration when the code is executed by the processor. In one exemplary embodiment the program comprises code for updating the activity carrier set in response to detecting a change in the parameter comprising information about an unlicensed radio carrier when the code is executed by the processor.
  • One benefit of the invention is the ability to aggregate multiple unlicensed band carriers efficiently. Also the LTE system may use the most optimal spectrum utilization method for carriers with a similar traffic load. The solution according to the present invention does not require much signalling as compared to systems proposed in the prior art. For a carrier set with a low or medium traffic load, an across-frequency spectrum utilization method saves the power consumed by LTE eNB/UE.
  • Fig. 1 is a block diagram illustrating the elements according to the invention.
  • Fig. 2 is a diagram illustrating one example of time sharing LTE carrier aggregation deployment in the unlicensed band
  • Fig. 3 is a diagram illustrating spectrum occupation methods
  • Fig. 4 illustrates the white space spectrum with one usage scenario
  • Fig. 5 illustrates one implementation of a carrier set classification and spectrum utilization method adaptation
  • Figs. 6a-6b illustrate examples of a carrier set measurement and update procedure.
  • FIG. 1 is a block diagram illustrating an apparatus for wireless communication 100 according to an embodiment connected to a mobile communication network.
  • the apparatus 100 comprises at least one controller 110, such as a processor, a memory 120 and a communication interface 130.
  • the apparatus is a computer chip.
  • Stored in the memory 120 are computer instructions which are adapted to be executed on the processor 110.
  • the communication interface 130 is adapted to receive and send information to and from the processor 110.
  • the apparatus 100 is commonly referred to as a user equipment UE or it may comprise a part of a user equipment .
  • the base station 140 comprises at least one controller 141, such as a processor, a memory 142 and a communication interface 143.
  • the base station 140 comprises a computer chip executing the functionality according to the invention.
  • Stored in the memory 142 are computer instructions which are adapted to be executed on the processor 141.
  • the communication interface 143 is adapted to receive and send information to and from the processor 141.
  • the user equipment 100 is connected to the base station 140, the connection being formed by a first radio link 151 that uses the licensed spectrum, for example utilizing the LTE system.
  • the user equipment 100 may be connected to the base station 140 via a second radio link 152 that uses the unlicensed radio spectrum. From the user equipment's 100 perspective the base station 140 offers the functionality required to connect to the wireless network .
  • the base station 140 is adapted to be part of a cellular radio access network such as E-UTRAN applying WCDMA technology or similar networks suitable for high speed data transmission. Such networks are often also referred to as 4G or LTE.
  • the cellular radio access network supports carrier aggregation comprising LTE and HSPA.
  • the base station 140 illustrated in Figure 1 symbolizes all relevant network elements required to carry out the functionality of the wireless network.
  • One example of the base station 140 is the evolved Node B, eNB .
  • the wireless portion of the network operated by the base station is referred to as a cell; operations referred to be executed by the cell are executed by the base station.
  • the downlink direction DL is defined as from the network 140 to the user equipment 100
  • the uplink direction UL is defined as from the user equipment 100 to the network 140.
  • One benefit of the invention is enabling periodical full silence of the base station and the user equipment during the Carrier Aggregation within the unlicensed band as illustrated in Figure 2. While the LTE system is turned OFF, other devices may apply the unlicensed band thereby indicating a busy medium. During the period when the LTE eNB/UE is turned off, the LTE eNB/UE shuts off all transmissions to allow transmission for other systems. Turning off the LTE system means turning off simultaneously all channels of the LTE uplink as well as downlink involving both LTE eNB and all UEs, since any signal may cause detection as a busy medium by 802.11 systems and thus block them.
  • the base station eNB occupies the unlicensed channel for a planned ON duration. The eNB keeps detecting 2 the unlicensed band for a possible transmission period. The planned OFF period may be followed by offset time 3.
  • the unlicensed radio spectrum may be occupied by several methods, which are illustrated in Figure 3.
  • the LTE system occupies one or more free channels and starts continuous transmission.
  • the transmission may be interrupted after time periods that are similar or previously defined.
  • Other unlicensed band systems may take over the channels left free by the LTE.
  • the second option 32 all multiple channels are occupied at the same time.
  • the LTE transmits when all channels are available simultaneously. It is highly unlikely that all channels were idle simultaneously, assuming that systems on different channels run independently. As the number of channels increases, the second option 32 becomes less probable. However, the second option 32 is very valuable regarding the eNB/UE power efficiency.
  • the third option 33 illustrates an independent frequency-time occupation.
  • the time sharing approach is executed independently on all channels or carriers.
  • This option has the best spectrum occupation and utilization characteristics, but is not effective for eNB/UE power saving, as the eNB/UE needs to power on and off independently. For any available unlicensed spectrum the best occupation method needs to be decided regarding the spectrum utilization rate and eNB/UE power consumption.
  • unlicensed band carriers are classified into certain carrier set configurations or active carrier sets. This enables the LTE system to deploy adaptive spectrum utilization strategies for different sets based on the characteristics of the free channels.
  • the eNB may classify target unlicensed band carriers into different active carrier sets. According to one embodiment the classification is based on the activity level measurement of those target unlicensed band carriers.
  • Example of an activity level measurement is the active duration and idle duration ratio or parameters such as no activity (N) , low activity (L) , medium activity (M) and high activity load (H) .
  • the classification is based on the co-existing system configuration estimation, for example according to the co-existing WIFI system' s channel bonding carrier set configuration. Also a combination of these two embodiments may be used.
  • the eNB configures user equipments to assist in measuring or collecting configuration information.
  • the configuration information may be delivered to the user equipment according to the method known in the current specification .
  • the eNB applies different spectrum utilization strategies for different active carrier sets.
  • the eNB sets a priority order for active carrier sets, for example one to a low activity carrier set and a second to a high activity carrier set. If there is no detected activity in the unlicensed band, the LTE eNB may occupy the carrier with the first option 31, across-time occupation, in the active carrier set. For the detected activity being low or medium, the eNB may select an active set with the second option 32, across-frequency occupation. When the activity on the unlicensed band is high, the eNB may use the third option 33, the time-frequency independent occupation approach. According to one embodiment, if a change is detected in the activity level of a certain carrier, the eNB updates the active carrier set configuration.
  • the user equipment may assist in measuring the activity of the unlicensed carrier or collecting co-existing system configuration information.
  • the user equipment is configured by the eNB to assist in measuring the active carrier sets by reporting to the eNB about a certain carrier' s activity level and/or co-existing system information.
  • the user equipment may also send a recommendation to eNB for updating a certain carrier set, activity level or certain spectrum occupation methods.
  • the user equipment receives the signaling from the eNB to configure carriers within a certain active carrier set as a Secondary Cell Carrier SCC.
  • a certain active carrier set as a Secondary Cell Carrier SCC.
  • the user equipment executes corresponding actions accordingly for all carriers within this set.
  • the across-time occupation method the user equipment assumes that the eNB operates with the maximum transmission duration for all carriers within this set. The duration may be restricted by a regulatory requirement or the like preventing the LTE to completely occupy the unlicensed spectrum.
  • the across- frequency occupation method the user equipment assumes that the eNB operates with the LTE system on/off for all carriers within this set.
  • the time-frequency independent occupation method the user equipment assumes that the eNB operates with the LTE system on and off independently of all carriers within this set.
  • the explicit on/off signaling method is used and the user equipment follows the signaling instructions about the carriers used with the explicit on/off signaling.
  • the signaling between the base station eNB and the user equipment is described as a general concept and may be utilized with similar or neighboring technologies.
  • the base station eNB sends an explicit RRC/MAC (Radio Resource Control/Medium Access Control) signaling to user equipments.
  • the signaling comprises information about the active carrier set, set up, modification, release, and the corresponding spectrum occupation approach adopted for each set. Optionally this information may be added inside the Scell configuration RRC signaling, or as a separate group based on RRC/MAC signaling.
  • the time sharing signaling which indicates the LTE system on/off applies to all carriers within the set.
  • the relevant signaling may be transmitted in the licensed band. If the LTE transmission uses only a standalone unlicensed band, the signaling may be transmitted on the anchor carrier.
  • the base station measures the activity level of all available unlicensed band channels in white space, as shown in Figure 4.
  • the base station may start with low traffic load carriers and define them (ch 6, 10, 14-17, 42-44) as one carrier set, and decide to use the across- frequency occupation method for this carrier set.
  • the definition of the active carrier set may be done according to the traffic load. For example the time- frequency independent occupation method may be applied to the high traffic load carrier set.
  • the WIFI system may be configured with a channel bonding of ⁇ 40, 80, 160MHz ⁇ .
  • the LTE system configures those carriers into one carrier set, as illustrated in Figure 5.
  • the base station eNB measures the activity level of target unlicensed ban carriers, and may collect the co-existing WIFI channel bonding configuration, block 60.
  • the eNB may configure one or more user equipments to measure the activity level of target unlicensed band carriers.
  • the user equipment reports the activity level to the eNB.
  • the base station eNB determines a possible change in the carrier set's configuration, activity level and/or the occupation method. If the change has occurred, the eNB updates the carrier set classification and the desired occupation method.
  • the configuration decision is sent to the user equipment, block 63.
  • the user equipment receives the signaling from the eNB comprising new configuration and spectrum occupation methods and updates its functions accordingly, block 64.
  • the base station eNB measures the activity level itselfof target unlicensed ban carriers, and may collect the co-existing WIFI channel bonding configuration, block 65.
  • the eNB updates the classification of carrier set configuration and the desired occupation method.
  • the configuration decision is sent to user equipment, block 66.
  • the user equipment suggests the base station eNB to update the carrier set configuration based on the user equipment's own measurement being different from the information obtained from the base station' s configuration.
  • the base station eNB may accept the user equipment's recommendation, and update the configuration, decision block 68.
  • the activity level measurement can be made in according to the methods known in the prior art, for example in a similar manner as the RSRP/RSRQ measurement.
  • Embodiments of the present invention may be implemented in software, hardware, application logic or a combination of software, hardware and application logic.
  • the application logic, software or instruction set is maintained on any one of various conventional computer-readable media.
  • a "computer-readable medium" may be any media or means that can contain, store, communicate, propagate or transport the instructions for use by or in connection with an instruction execution system, apparatus, or device, such as a computer.
  • a computer-readable medium may comprise a computer-readable storage medium that may be any media or means that can contain or store the instructions for use by or in connection with an instruction execution system, apparatus, or device, such as a computer.
  • the exemplary embodiments can store information relating to various processes described herein. This information can be stored in one or more memories, such as a hard disk, optical disk, magneto-optical disk, RAM, and the like.
  • One or more databases can store the information used to implement the exemplary embodiments of the present inventions.
  • the databases can be organized using data structures (e.g., records, tables, arrays, fields, graphs, trees, lists, and the like) included in one or more memories or storage devices listed herein.
  • the processes described with respect to the exemplary embodiments can include appropriate data structures for storing data collected and/or generated by the processes of the devices and subsystems of the exemplary embodiments in one or more databases.
  • All or a portion of the exemplary embodiments can be conveniently implemented using one or more general purpose processors, microprocessors, digital signal processors, micro-controllers, and the like, programmed according to the teachings of the exemplary embodiments of the present inventions, as will be appreciated by those skilled in the computer and/or software art(s) .
  • Appropriate software can be readily prepared by programmers of ordinary skill based on the teachings of the exemplary embodiments, as will be appreciated by those skilled in the software art.
  • the exemplary embodiments can be implemented by the preparation of application-specific integrated circuits or by interconnecting an appropriate network of conventional component circuits, as will be appreciated by those skilled in the electrical art(s) .
  • the exemplary embodiments are not limited to any specific combination of hardware and/or software.

Landscapes

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

Abstract

L'invention concerne une interface radio entre un appareil de communication sans fil et un élément de réseau comprenant une porteuse radio sans licence. Le procédé de l'invention consiste à détecter un paramètre contenant des informations au sujet d'une porteuse radio sans licence; classifier la porteuse radio sans licence en fonction du paramètre; attribuer une configuration classifiée d'ensemble de porteuses contenant des informations au sujet d'au moins une porteuse radio sans licence; et envoyer la configuration de l'ensemble de porteuses à un appareil sans fil.
PCT/CN2011/082227 2011-11-15 2011-11-15 Procédé, appareil et produit de programme d'ordinateur pour l'adaptation de porteuses sans licence Ceased WO2013071488A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/082227 WO2013071488A1 (fr) 2011-11-15 2011-11-15 Procédé, appareil et produit de programme d'ordinateur pour l'adaptation de porteuses sans licence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/082227 WO2013071488A1 (fr) 2011-11-15 2011-11-15 Procédé, appareil et produit de programme d'ordinateur pour l'adaptation de porteuses sans licence

Publications (1)

Publication Number Publication Date
WO2013071488A1 true WO2013071488A1 (fr) 2013-05-23

Family

ID=48428930

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/082227 Ceased WO2013071488A1 (fr) 2011-11-15 2011-11-15 Procédé, appareil et produit de programme d'ordinateur pour l'adaptation de porteuses sans licence

Country Status (1)

Country Link
WO (1) WO2013071488A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015047905A3 (fr) * 2013-09-24 2015-06-18 Qualcomm Incorporated Amélioration de la performance d'un équipement utilisateur (ue) dans une bande de fréquence non soumise à licence
WO2015088951A1 (fr) * 2013-12-11 2015-06-18 Qualcomm Incorporated Appareil et procedes pour des communications cellulaires sur un spectre inutilise non autorise par licence
WO2016008730A1 (fr) * 2014-07-16 2016-01-21 Sony Corporation Appareil de télécommunications et procédés de réalisation de mesures d'une porteuse non autorisée
CN105376861A (zh) * 2014-08-22 2016-03-02 中兴通讯股份有限公司 一种占用非授权载波的发送的方法、系统及接入点
WO2016067124A1 (fr) * 2014-10-27 2016-05-06 Telefonaktiebolaget L M Ericsson (Publ) Systèmes et procédés de commande de la durée d'activation/désactivation d'une cellule secondaire
EP3035763A1 (fr) * 2014-12-15 2016-06-22 Alcatel Lucent Procédé d'utilisation de ressources radio par des normes de communication différentes, station de base et terminal utilisateur correspondant
WO2016123247A1 (fr) * 2015-01-29 2016-08-04 Blackberry Limited Communication dans un spectre sans licence
US9491632B2 (en) 2013-09-24 2016-11-08 Qualcomm Incorporated Carrier sense adaptive transmission (CSAT) in unlicensed spectrum
KR20170015302A (ko) * 2014-06-05 2017-02-08 소니 주식회사 통신 장치 및 방법
CN107211403A (zh) * 2015-01-20 2017-09-26 索尼公司 用户设备、蜂窝网络节点以及用于提供授权辅助访问的方法
WO2017189195A1 (fr) * 2016-04-26 2017-11-02 Alcatel-Lucent Usa Inc. Interface pour configurer une communication dans des bandes de fréquence sans licence
JP2017532877A (ja) * 2014-09-24 2017-11-02 ソニー株式会社 通信装置及び通信方法
EP3149989A4 (fr) * 2014-05-28 2017-12-20 Telefonaktiebolaget LM Ericsson (publ) Procédés et appareils pour permettre l'utilisation de bande de fréquence sans licence
US10356623B2 (en) 2013-09-24 2019-07-16 Qualcomm Incorporated Techniques for performing carrier sense adaptive transmission in unlicensed spectrum
US11943172B2 (en) 2018-08-10 2024-03-26 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Signal transmission method and apparatus, terminal and network device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070133387A1 (en) * 2005-12-08 2007-06-14 University Of South Florida Cognitive Ultrawideband-Orthogonal Frequency Division Multiplexing
EP2083591A1 (fr) * 2008-01-28 2009-07-29 Fujitsu Limited Systèmes de communication avec allocation de spectre basée sur des conditions de réseau
CN101640570A (zh) * 2008-07-29 2010-02-03 株式会社Ntt都科摩 频谱感知方法、能量检测方法及装置
CN102232307A (zh) * 2011-06-16 2011-11-02 华为技术有限公司 动态频谱分配方法、中心控制单元、基站及频谱分配系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070133387A1 (en) * 2005-12-08 2007-06-14 University Of South Florida Cognitive Ultrawideband-Orthogonal Frequency Division Multiplexing
EP2083591A1 (fr) * 2008-01-28 2009-07-29 Fujitsu Limited Systèmes de communication avec allocation de spectre basée sur des conditions de réseau
CN101640570A (zh) * 2008-07-29 2010-02-03 株式会社Ntt都科摩 频谱感知方法、能量检测方法及装置
CN102232307A (zh) * 2011-06-16 2011-11-02 华为技术有限公司 动态频谱分配方法、中心控制单元、基站及频谱分配系统

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016531456A (ja) * 2013-09-24 2016-10-06 クアルコム，インコーポレイテッド 免許不要周波数帯におけるユーザ機器（ｕｅ）の性能の改善
US9775048B2 (en) 2013-09-24 2017-09-26 Qualcomm Incorporated Performance of a user equipment (UE) in unlicensed spectrum
TWI654898B (zh) 2013-09-24 2019-03-21 高通公司 改良使用者裝備（ｕｅ）在未授權頻譜中的效能
CN105580410B (zh) * 2013-09-24 2019-08-16 高通股份有限公司 改善无执照频谱中用户装备(ue)的性能
WO2015047905A3 (fr) * 2013-09-24 2015-06-18 Qualcomm Incorporated Amélioration de la performance d'un équipement utilisateur (ue) dans une bande de fréquence non soumise à licence
CN105580410A (zh) * 2013-09-24 2016-05-11 高通股份有限公司 改善无执照频谱中用户装备(ue)的性能
KR20160060065A (ko) * 2013-09-24 2016-05-27 퀄컴 인코포레이티드 비허가된 스펙트럼에서의 사용자 장비 (ｕｅ) 의 성능의 개선
US10542435B2 (en) 2013-09-24 2020-01-21 Qualcomm Incorporated Carrier sense adaptive transmission (CSAT) in unlicensed spectrum
US9491632B2 (en) 2013-09-24 2016-11-08 Qualcomm Incorporated Carrier sense adaptive transmission (CSAT) in unlicensed spectrum
KR102162194B1 (ko) 2013-09-24 2020-10-06 퀄컴 인코포레이티드 비허가된 스펙트럼에서의 사용자 장비 (ｕｅ) 의 성능의 개선
US10356623B2 (en) 2013-09-24 2019-07-16 Qualcomm Incorporated Techniques for performing carrier sense adaptive transmission in unlicensed spectrum
CN105814929A (zh) * 2013-12-11 2016-07-27 高通股份有限公司 用于在未使用的无执照频谱上进行蜂窝通信的装置和方法
WO2015088951A1 (fr) * 2013-12-11 2015-06-18 Qualcomm Incorporated Appareil et procedes pour des communications cellulaires sur un spectre inutilise non autorise par licence
US9924368B2 (en) 2013-12-11 2018-03-20 Qualcomm Incorporated Apparatus and methods for cellular communications over unused unlicenced spectrum
JP2017503398A (ja) * 2013-12-11 2017-01-26 クアルコム，インコーポレイテッド 未使用の無認可スペクトルを介したセルラー通信のための装置および方法
CN105814929B (zh) * 2013-12-11 2019-07-02 高通股份有限公司 用于在未使用的无执照频谱上进行蜂窝通信的装置和方法
US10225757B2 (en) 2014-05-28 2019-03-05 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatuses for enabling use of un-licensed frequency band
EP3149989A4 (fr) * 2014-05-28 2017-12-20 Telefonaktiebolaget LM Ericsson (publ) Procédés et appareils pour permettre l'utilisation de bande de fréquence sans licence
KR20170015302A (ko) * 2014-06-05 2017-02-08 소니 주식회사 통신 장치 및 방법
KR102081558B1 (ko) 2014-06-05 2020-02-25 소니 주식회사 통신 장치 및 방법
KR20180130007A (ko) * 2014-06-05 2018-12-05 소니 주식회사 통신 장치 및 방법
KR20190095517A (ko) * 2014-06-05 2019-08-14 소니 주식회사 통신 장치 및 방법
KR102009618B1 (ko) 2014-06-05 2019-08-09 소니 주식회사 통신 장치 및 방법
CN106664634B (zh) * 2014-07-16 2020-12-22 索尼公司 用于执行非授权的载波的测量的通信设备和方法
CN106664634A (zh) * 2014-07-16 2017-05-10 索尼公司 用于执行非授权的载波的测量的通信设备和方法
EP3806541A1 (fr) * 2014-07-16 2021-04-14 Sony Corporation Appareil et procédés de télécommunications
US11146345B2 (en) 2014-07-16 2021-10-12 Sony Corporation Telecommunications apparatus and methods for performing measurements of an unlicensed carrier
WO2016008730A1 (fr) * 2014-07-16 2016-01-21 Sony Corporation Appareil de télécommunications et procédés de réalisation de mesures d'une porteuse non autorisée
US10419941B2 (en) 2014-08-22 2019-09-17 Zte Corporation Sending method, device, and access point for occupying an unlicensed carrier
JP2017532917A (ja) * 2014-08-22 2017-11-02 ゼットティーイー コーポレーションＺｔｅ Ｃｏｒｐｏｒａｔｉｏｎ ライセンスされないキャリアを占有する送信方法、装置及びアクセスポイント
CN105376861A (zh) * 2014-08-22 2016-03-02 中兴通讯股份有限公司 一种占用非授权载波的发送的方法、系统及接入点
CN105376861B (zh) * 2014-08-22 2020-07-10 中兴通讯股份有限公司 一种占用非授权载波的发送的方法、系统及接入点
EP3197222A4 (fr) * 2014-08-22 2017-08-16 ZTE Corporation Procédé d'envoi, dispositif et point d'accès pour l'occupation d'un support sans licence
JP2017532877A (ja) * 2014-09-24 2017-11-02 ソニー株式会社 通信装置及び通信方法
US10111106B2 (en) 2014-09-24 2018-10-23 Sony Corporation Telecommunications apparatus and methods
EP3429253A1 (fr) * 2014-09-24 2019-01-16 Sony Corporation Appareil et procédés de télécommunications
US12369041B2 (en) 2014-09-24 2025-07-22 Sony Group Corporation Telecommunications apparatus and methods
TWI674027B (zh) * 2014-09-24 2019-10-01 日商新力股份有限公司 電訊設備及方法
EP3198917B1 (fr) * 2014-09-24 2018-10-31 Sony Corporation Appareils et procédés de télécommunications
US11671841B2 (en) 2014-09-24 2023-06-06 Sony Corporation Telecommunications apparatus and methods
US10841807B2 (en) 2014-09-24 2020-11-17 Sony Corporation Telecommunications apparatus and methods
WO2016067124A1 (fr) * 2014-10-27 2016-05-06 Telefonaktiebolaget L M Ericsson (Publ) Systèmes et procédés de commande de la durée d'activation/désactivation d'une cellule secondaire
US10187803B2 (en) 2014-10-27 2019-01-22 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for controlling SCell on/off durations
EP3035763A1 (fr) * 2014-12-15 2016-06-22 Alcatel Lucent Procédé d'utilisation de ressources radio par des normes de communication différentes, station de base et terminal utilisateur correspondant
CN107211403A (zh) * 2015-01-20 2017-09-26 索尼公司 用户设备、蜂窝网络节点以及用于提供授权辅助访问的方法
CN107211403B (zh) * 2015-01-20 2021-05-11 索尼公司 用户设备、蜂窝网络节点和系统、使用非授权载波的方法
US10397794B2 (en) 2015-01-29 2019-08-27 Blackberry Limited Communication in unlicensed spectrum
WO2016123247A1 (fr) * 2015-01-29 2016-08-04 Blackberry Limited Communication dans un spectre sans licence
WO2017189195A1 (fr) * 2016-04-26 2017-11-02 Alcatel-Lucent Usa Inc. Interface pour configurer une communication dans des bandes de fréquence sans licence
CN109076354B (zh) * 2016-04-26 2023-04-21 阿尔卡特朗讯美国公司 用于配置未许可频带中的通信的接口
CN109076354A (zh) * 2016-04-26 2018-12-21 阿尔卡特朗讯美国公司 用于配置未许可频带中的通信的接口
US9918232B2 (en) 2016-04-26 2018-03-13 Alcatel-Lucent Usa Inc. Interface for configuring communication in unlicensed frequency bands
US11943172B2 (en) 2018-08-10 2024-03-26 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Signal transmission method and apparatus, terminal and network device

Similar Documents

Publication Publication Date Title
WO2013071488A1 (fr) Procédé, appareil et produit de programme d'ordinateur pour l'adaptation de porteuses sans licence
JP7517531B2 (ja) ユーザ機器、基地局、ユーザ機器の方法、及び基地局の方法
US11856461B2 (en) Method and device for configuring cell in wireless communication system
US9307415B2 (en) Methods and apparatuses for provision of a downlink synchronization group during discontinuous transmission in an unlicensed band
EP2732582B1 (fr) Procédés et appareils de fourniture d'une technique de partage de temps flexible sur une bande sans licence d'un système
CN106470474B (zh) 一种不同通信网络共存使用免授权频段的方法
US8867521B2 (en) Apparatus and method for communication
US20130016690A1 (en) Mobile communication system, and carrier measurement method in the mobile communication system
CN103329610B (zh) 用于无线对等通信网络中的资源冲突检测的方法和装置
US20130336281A1 (en) Apparatus and method for coordinating in-device coexistence interference in a wireless communication system
CN109076354B (zh) 用于配置未许可频带中的通信的接口
WO2012135392A1 (fr) Procédés et appareil d'attribution de ressources afin de planifier des communications poste à poste dans wwan
US11096076B2 (en) Prioritized cell identification and measurement method
CN116209082A (zh) 一种通信方法及装置
WO2013030732A1 (fr) Appareil et procédé de communication
CN121078477A (zh) 在多无线电接入技术双连接中操作用户设备（ue）的功率高效的方式
US9980217B2 (en) Method and system for opportunistic probing
KR102722009B1 (ko) 개방형 스펙트럼에서의 전송 매체 액세스 제어
WO2023155586A1 (fr) Procédé d'accès à un canal de liaison latérale et appareil de communication
WO2017035716A1 (fr) Procédé et dispositif de partage de spectre
CN106797541A (zh) 用于d2d的空白子帧的使用
BR112016023588B1 (pt) Método de identificação e medição de célula priorizada

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11875833

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11875833

Country of ref document: EP

Kind code of ref document: A1