WO2014107904A1 - Déclenchement d'un compte rendu d'informations d'état de canal - Google Patents

Déclenchement d'un compte rendu d'informations d'état de canal Download PDF

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Publication number
WO2014107904A1
WO2014107904A1 PCT/CN2013/070424 CN2013070424W WO2014107904A1 WO 2014107904 A1 WO2014107904 A1 WO 2014107904A1 CN 2013070424 W CN2013070424 W CN 2013070424W WO 2014107904 A1 WO2014107904 A1 WO 2014107904A1
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WIPO (PCT)
Prior art keywords
channel state
state information
user equipment
uplink
subframe
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Application number
PCT/CN2013/070424
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English (en)
Inventor
Gilles Charbit
Erlin Zeng
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.)
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Publication date
Application filed by Broadcom Corporation filed Critical Broadcom Corporation
Priority to PCT/CN2013/070424 priority Critical patent/WO2014107904A1/fr
Publication of WO2014107904A1 publication Critical patent/WO2014107904A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

Definitions

  • the present invention relates to channel state information (CSI) report triggering, and more particularly, relates to methods, apparatuses and a computer program product for CSI report triggering with reduced DL control overhead for NCT.
  • CSI channel state information
  • a U E receives DL grant in subframe #n (denoted with reference sign 11 in Fig . 1), and it can be configured that the same grant applies to subframe #n + l, #n+m, for example, subframes 12 to 14 as illustrated in Fig . 1.
  • this may be done by transmitting one complete DCI in subframe #n, and transmitting DCI with reduced size in the several following subframes #n + l, #n+m .
  • the reduced-size DCI in subframes #n + l, #n+m only has necessary changes compared to the complete DCI format in subframe #n .
  • the CSI reference resource is defined as follows : "In the frequency domain, the CSI reference resource is defined by the group of downlink physical resource blocks corresponding to the band to which the derived CQI value relates.
  • the CSI reference resource is defined by a single
  • n C Qi ret is the smallest value greater than or equal to 4, such that it corresponds to a valid downlink subfram e;
  • n C Qi ret is such that the reference resource is in the sam e valid downlink subfram e as the corresponding CSI request in an uplink DCI format.
  • n C Qi ret is equal to 4 and downlink subfram e n-n cQi ref corresponds to a valid downlink subframe, where downlink subfram e n-n cQi ref is received after the subfram e with the corresponding CSI request in a Random Access Response Grant.
  • the CSI reference resource is in the subframe where the CSI triggering is received, e.g ., in subframe n-4 where a U L grant containing a CSI triggering is detected .
  • the specifications do not define which U L subframe should be used for the CSI reporting following a CSI request in case of reduced DL control overhead in NCT as outlined in the previous section .
  • a method comprising:
  • a method comprising:
  • the downlink control information indicating a subframe in which an uplink is granted and an uplink subframe offset.
  • the channel state information measurement subframe subsets indicating a subset of subframes in which the user equipment performs channel state information measurements and transmits channel state information reports.
  • an apparatus for use in a user equipment comprising:
  • the at least one memory and the computer program code arranged to, with the at least one processor, cause the apparatus at least to perform :
  • an apparatus for use in a user equipment comprising:
  • the at least one memory and the computer program code arranged to, with the at least one processor, cause the apparatus at least to perform :
  • an apparatus for use in a base station comprising:
  • the at least one memory and the computer program code arranged to, with the at least one processor, cause the apparatus at least to perform :
  • the downlink control information indicating a subframe in which an uplink is granted and an uplink subframe offset.
  • an apparatus for use in a base station comprising:
  • the at least one memory and the computer program code arranged to, with the at least one processor, cause the apparatus at least to perform :
  • the channel state information measurement subframe subsets indicating a subset of subframes in which the user equipment performs channel state information measurements and transmits channel state information reports.
  • a computer program product comprising computer-executable computer program code which, when the program is run on a computer (e.g . a computer of an apparatus according to any one of the aforementioned apparatus-related exemplary aspects of the present invention), is arranged to cause the computer to carry out the method according to any one of the aforementioned method- related exemplary aspects of the present invention.
  • a computer e.g . a computer of an apparatus according to any one of the aforementioned apparatus-related exemplary aspects of the present invention
  • Such computer program product may comprise or be embodied as a (tangible) computer-readable (storage) medium or the like on which the computer- executable computer program code is stored, and/or the program may be directly loadable into an internal memory of the computer or a processor thereof.
  • Fig . 1 is a diagram illustrating an example of reduced DL control overhead
  • Fig . 2 is a diagram illustrating example of DL and UL signaling for CSI report
  • Fig . 3 shows a principle flowchart of an example for a method according to certain embodiments of the present invention
  • Fig . 4 shows a principle flowchart of another example for a method according to certain embodiments of the present invention.
  • Fig . 5 shows a principle flowchart of another example for a method according to certain embodiments of the present invention.
  • Fig . 6 shows a principle flowchart of another example for a method according to certain embodiments of the present invention.
  • Fig . 7 shows a principle configuration of an example for an apparatus according to certain embodiments of the present invention
  • Fig . 8 shows a principle configuration of another example for an apparatus according to certain embodiments of the present invention.
  • the following description of the present invention and its embodiments mainly refers to specifications being used as non-limiting examples for certain exemplary network configurations and deployments. Namely, the present invention and its embodiments are mainly described in relation to 3GPP specifications being used as non-limiting examples for certain exemplary network configurations and deployments.
  • a LTE-Advanced communication system is used as a non-limiting example for the applicability of thus described exemplary embodiments.
  • the description of exemplary embodiments given herein specifically refers to terminology which is directly related thereto. Such terminology is only used in the context of the presented non-limiting examples, and does naturally not limit the invention in any way. Rather, any other network configuration or system deployment, etc. may also be utilized as long as compliant with the features described herein .
  • Some embodiments of the invention propose solutions for efficient CSI reporting with reduced DL control overhead on NCT.
  • some embodiments of the invention propose mechanisms for triggering the Channel State Information (CSI) measurements and CSI report on NCT with reduced control overhead and provide solutions for efficient CSI reporting with reduced DL control overhead on NCT.
  • CSI Channel State Information
  • some example embodiments of the invention relates to a scenario where one downlink control information can grant multiple downlink or uplink transmissions.
  • CSI request in DCI format 0/4 will lead to multiple redundant CSI reports in PUSCH.
  • a solution with a parameter of UL-subframe-offset to indicate which subframe should be used for CSI reporting where UL-subframe-offset can be implicitly derived from C-RNTI, or explicitly indicated in UL grant with CSI request.
  • a CSI measurement subframe subset configuration is proposed.
  • the CSI report is sent in UL subframe #n + UL-subframe-offset, where the UL grant is given via DCI format in DL subframe #n-n C Qi_ re f and an UL subframe offset, UL-subframe-offset, is subsequently applied.
  • the C-RNTI-mask x C-RNTI masking operation returns the m LSB bits of C-RNTI.
  • a set of possible C-RNTI- mask sequence is predefined, and UE determines UL-subframe-offset based on the detection of the C-NRTI-mask that is applied.
  • the CSI report is sent in UL subframe #n + UL-subframe-offset, where the UL grant explicitly includes the UL-subframe- offset in spare field in DCI format in DL subframe #n-n C Qi_ r ef-
  • the RRC configuration may be used to determine UL subframe for CSI reporting.
  • the UL-subframe-offset may be indicated via higher layer signaling in an optional field in the CQI-ReportConfig RRC IE (cf. document [6], section 6.3.2).
  • the UE is configured via higher-layer with CSI measurement subframe subsets which are subject to different levels of interference from NCT cells.
  • the UE is signaled explicitly the CSI measurement subframe subsets to use for the CSI measurements on the serving NCT cell.
  • a set of possible C-RNTI-mask sequence is predefined, and UE determines UL-subframe-offset based on the detection of the C-RNTI-mask that is applied .
  • Table 1 Example of C-RNTI-mask for CSI feedback subframe selection
  • the UL-subframe- offset can be explicitly indicated in U L grant with CSI request. That is, Layer 1 signalling is used to determine the UL subframe for CSI reporting .
  • Layer 1 signalling is used to determine the UL subframe for CSI reporting .
  • UL-subframe-offset may have value in ⁇ 0, 1, 2, 3 ⁇ , this results in UE# 1, UE#2, U E#3, U E#4 sending their CSI report in UL subframes #n, #n + l, #n+2, #n+3 respectively.
  • 2 new information bits are introduced in the DCI format. For example, [b0,bl ] are inserted to the DCI format, if reduced control overhead is configured for a U E. Further, it is specified that UE determines the UL subframe for CSI report based on
  • existing DCI bits are redefined for the same purpose.
  • the transmit power control field can be redefined to bO and bl in same way as listed above.
  • the U L power control can be based on DCI format 3/3a if needed . How much DL control signaling reduction can be achieved while ensuring adequate aperiodic CSI reporting depends to some extent on the channel coherence time as illustrated in Fig . 2.
  • the CSI report is used to schedule resources via ePDCCH/PDSCH, which may need reduced reference signal resources.
  • 21 denotes a reduced reference signal resource for CSI measurements
  • 22 denotes subframes where no DL control signaling CSI measurements are performed
  • 23 denotes UL subframes for CSI report as indicated by UL-subframe-offset
  • 24 denotes subframes where there is no CSI report opportunity.
  • the CSI report triggering, CSI measurements and reporting should be done within a time T ⁇ T coh , where T coh is the coherence time.
  • T coh is the coherence time.
  • at least one reduced reference signal resource should be scheduled within the coherence time, T coh .
  • eNB only schedules on UL subframe #n+i with i in [0, .., m-1] for a CSI report from a given UE within the scheduling window #n,#n + l,...,#n + m-l .
  • the first example embodiment is especially efficient from DCI overhead viewpoint, but would require the following to ensure there is no wastage of PUSCH resources for CSI reporting in NCT with reduced DL control overhead :
  • the eNB MAC needs to allocate the C-RNTI judiciously.
  • the second example embodiment has a good flexibility in balancing the CSI reporting in different UL subframes, as these UL subframe are indicated by UL grant on UL DCI format with the proposed new field addition.
  • Another embodiment relates to the CSI measurement subframe subset configuration.
  • a neighbour eNB cell may interfere with the serving NCT cell more significantly in subframes where it schedules the reduced reference signal and reduced control signaling .
  • Neighbouring NCT cells may have orthogonal reduced reference signal patterns to mitigate inter NCT cell interference.
  • the measuring UE needs to make CSI measurements that can reflect the different levels of interference from neighbour NCT cells.
  • the UE may then be scheduled according to the CSI report.
  • the PCell may configure UE with two CSI measurement subframe subsets via higher-layer to measure interference from NCT cells.
  • the parameters u, v, and w have value in [0-9] and u ⁇ v ⁇ w.
  • the parameter m is the reduced reference signal periodicity as outlined above.
  • each NCT cell may have its own reduced signal reference pattern, which is orthogonal to that of other NCT cells - i.e. orthogonal in time on different subframes or slots.
  • the PCell indicates explicitly to the UE one CSI measurement subframe subset to use for the CSI measurements via a 1-bit field signaled in spare field or in a 1 redefined bit (or redefined existing bit) iO in DCI format in DL subframe #n- nCQI_ref during aperiodic CSI triggering .
  • the CSI measurement shall base on reference signal in subframe subset # 1
  • the PCell makes a decision on which CSI measurement subframe subset the measuring UE should use, may be for example based on the serving cell Identity (ID), the closest neighbour NCT cell IDs, RRM measurements on neighbour NCT cells (e.g. RSRP, RSRQ).
  • ID serving cell Identity
  • RRM measurements on neighbour NCT cells e.g. RSRP, RSRQ
  • the ambiguity of NCT cells having different reduced reference signal patterns is removed . This ensures that the UE makes CSI measurements in subframes experiencing different levels of interference, for example.
  • the NCT cells belonging to the same NCT cell group may be configured reduced reference signals orthogonal in frequency on a Resource Element or Resource Block. This helps UE discriminate between NCT cells and mitigate inter-NCT cell interference within an NCT cell group, for example.
  • Certain embodiments of the invention may provide the following advantages for NCT, namely, efficient DL control signaling for CSI triggering and aperiodic CSI reporting, efficient use of PUSH resources for aperiodic CSI reporting, balanced UL control overhead in the set of UL subframes, and inter-NCT cell interference mitigation, for example.
  • these advantages are merely examples and that certain embodiments of the invention may provide further advantages.
  • Fig . 3 shows a principle flowchart of an example for a method according to certain embodiments of the present invention. That is, as shown in Fig. 3, this method comprises obtaining, at a user equipment, an uplink grant for a specified uplink subframe via downlink control information in a step S31 and obtaining, at the user equipment, a parameter indicating an uplink subframe offset in a step S32. Further, the method comprises causing a transmission of a channel state information report in the specified uplink subframe in a step S33, and causing a transmission of a channel state information report in additional subframes determined based on the specified uplink subframe and the parameter indicating the uplink subframe offset in a step S34.
  • the parameter indicating the uplink subframe offset is determined implicitly by a higher-layer m-bit cell radio network temporary identifier mask.
  • the parameter indicating the uplink subframe offset is included in the downlink control information regarding the uplink grant.
  • Fig . 4 shows a principle flowchart of another example for a method according to certain embodiments of the present invention. That is, as shown in Fig. 4, this method comprises obtaining, at a user equipment, channel state information measurement subframe subsets in a step S41. Further, the method comprises performing, by the user equipment, channel state information measurements at the specified uplink subframes in a step S42, and causing a transmission of the channel state information report in the specified uplink subframes in a step S43.
  • the methods as illustrated in Figs. 3 and 4 are implemented in a user equipment located in an LTE or LTE-A based cellular communication network. In this case, the information is transmitted from an evolved node B of the LTE or LTE-A based cellular communication network to a user equipment.
  • Fig . 5 shows a principle flowchart of still another example for a method according to certain embodiments of the present invention. That is, as shown in Fig. 5, this method comprises causing a transmission of downlink control information to a user equipment in a step S51.
  • the downlink control information indicates a subframe in which an uplink is granted and an uplink subframe offset.
  • Fig . 6 shows a principle flowchart of still another example for a method according to certain embodiments of the present invention. That is, as shown in Fig. 6, this method comprises causing a transmission of channel state information measurement subframe subsets to a user equipment in a step S61, wherein the channel state information measurement subframe subsets indicate a subset of subframes in which the user equipment performs channel state information measurements and transmits channel state information reports.
  • the methods as illustrated in Figs. 5 and 6 are implemented in a communication network control element, in particular an evolved node B of an LTE or LTE-A based cellular communication network.
  • Fig . 7 shows a principle configuration of an example for a user equipment according to certain embodiments of the present invention.
  • One option for implementing this example for a user equipment according to certain embodiments of the present invention would be a component in a handset such as user equipment UE according to LTE/LTE-A.
  • the example for a user equipment 70 comprises at least one processor 71, at least one memory 72 including computer program code and an interface 73 which are connected by a bus 74 or the like.
  • the at least one memory and the computer program code are arranged to, with the at least one processor, cause the user equipment at least to perform obtaining an uplink grant for a specified uplink subframe via downlink control information, obtaining a parameter indicating an uplink subframe offset, transmitting a channel state information report in the specified uplink subframe, an transmitting a channel state information report in additional subframes determined based on the specified uplink subframe and the parameter indicating the uplink subframe offset.
  • the at least one memory and the computer program code are arranged to, with the at least one processor, cause the user equipment at least to perform obtaining channel state information measurement subframe subsets, performing channel state information measurements at the specified uplink subframes, and transmitting the channel state information report in the specified uplink subframes.
  • Fig . 8 shows a principle configuration of an example for an apparatus according to certain embodiments of the present invention.
  • One option for implementing this example for an apparatus according to certain embodiments of the present invention would be a base station like an eNB according to LTE/LTE-A.
  • an apparatus 80 e.g . an eNB
  • the at least one memory and the computer program code are arranged to, with the at least one processor, cause the apparatus at least to perform transmitting downlink control information to a user equipment, wherein the downlink control information indicates a subframe in which an uplink is granted and an uplink subframe offset.
  • the at least one memory and the computer program code are arranged to, with the at least one processor, cause the user equipment at least to perform transmitting channel state information measurement subframe subsets to a user equipment, wherein the channel state information measurement subframe subsets indicates a subset of subframes in which the user equipment performs channel state information measurements and transmits channel state information reports.
  • the apparatus e.g. the user equipment or base station (or part of the user equipment or base station e.g. modem)
  • the apparatus may comprise further units that are necessary for its respective operation as user equipment and base station, respectively. However, a description of these units is omitted in this specification.
  • the arrangement of the functional blocks of the apparatuses is not construed to limit the invention, and the functions may be performed by one block or further split into sub-blocks.
  • the apparatus e.g . the user equipment or the base station (or part of the user equipment or base station e.g . modem)
  • the link 75/85 may be a physical and/or logical coupling, which is implementation-independent (e.g . wired or wireless).
  • a system may comprise any conceivable combination of the thus depicted devices/apparatuses and other network elements, which are arranged to cooperate as described above.
  • 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 procedural step or functionality is suitable to be implemented as software or by hardware without changing the idea of the present invention.
  • Such software may be software code independent and can be specified using any known or future developed programming language, such as e.g . Java, C++, C, and Assembler, as long as the functionality defined by the method steps is preserved .
  • Such hardware may be hardware type 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 (Integrated Circuit)
  • FPGA Field-programmable Gate Arrays
  • CPLD Complex Programmable Logic Device
  • DSP Digital
  • a device/apparatus may be represented by a semiconductor chip, a chipset, system in package (SIP), or a (hardware) module comprising such chip or chipset; this, however, does not exclude the possibility that a functionality of a device/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 a device/apparatus or as an assembly of more than one device/apparatus, whether functionally in cooperation with each other or functionally independently of each other but in a same device housing, for example.
  • Apparatuses and/or means or parts thereof can be implemented as individual devices, but this does not exclude that they may be 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.
  • Software in the sense of the present description comprises software code as such comprising code means or portions or a computer program or a computer program product for performing the respective functions, as well as software (or a computer program or a computer program product) embodied on a tangible medium such as a computer-readable (storage) medium having stored thereon a respective data structure or code means/portions or embodied in a signal or in a chip, potentially during processing thereof.
  • the present invention also covers any conceivable combination of method steps and operations described above, and any conceivable combination of nodes, apparatuses, modules or elements described above, as long as the above- described concepts of methodology and structural arrangement are applicable. That is, for example, it is possible to perform the above mentioned timing advance procedure and the connectivity adjustment procedure either individually or in combination.

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

Abstract

La présente invention concerne des procédés, des appareils et un produit programme d'ordinateur conçus pour le déclenchement d'un compte rendu d'informations d'état de canal. Elle comprend l'obtention, par un équipement utilisateur, d'une attribution de liaison montante pour un secteur de trame de liaison montante spécifié obtenue par le biais d'informations de commande de liaison descendante, l'obtention, par ledit équipement utilisateur, d'un paramètre indiquant un décalage de secteur de trame de liaison montante, la mise en oeuvre de la transmission d'un compte rendu d'informations d'état de canal dans le secteur de trame de liaison montante spécifié, et la mise en oeuvre de la transmission d'un compte rendu d'informations d'état de canal dans des secteurs de trame supplémentaires déterminés sur la base du secteur de trame de liaison montante spécifié et du paramètre indiquant le décalage de secteur de trame de liaison montante.
PCT/CN2013/070424 2013-01-14 2013-01-14 Déclenchement d'un compte rendu d'informations d'état de canal WO2014107904A1 (fr)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016177122A1 (fr) * 2015-09-29 2016-11-10 中兴通讯股份有限公司 Appareil et procédé de détection d'interférences de petites cellules
WO2017166276A1 (fr) * 2016-04-01 2017-10-05 华为技术有限公司 Procédé et dispositif pour envoyer des informations de liaison montante et procédé et dispositif pour recevoir des informations de liaison montante
KR20180009747A (ko) * 2015-06-17 2018-01-29 엘지전자 주식회사 비주기적 채널 상태 정보-참조 신호를 이용한 채널 상태 보고를 위한 방법 및 이를 위한 장치
WO2018218393A1 (fr) * 2017-05-27 2018-12-06 Qualcomm Incorporated Conception de signalisation pour une rétroaction conjointe de données de liaison montante et d'informations d'état de canal
US10237032B2 (en) 2017-01-06 2019-03-19 At&T Intellectual Property I, L.P. Adaptive channel state information reference signal configurations for a 5G wireless communication network or other next generation network
US10320512B2 (en) 2017-01-08 2019-06-11 At&T Intellectual Property I, L.P. Interference cancelation for 5G or other next generation network
US10334533B2 (en) 2016-11-02 2019-06-25 At&T Intellectual Property I, L.P. Non-orthogonal design for channel state information reference signals for a 5G air interface or other next generation network interfaces
CN114745793A (zh) * 2017-08-10 2022-07-12 Oppo广东移动通信有限公司 传输数据的方法、网络设备和终端设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102158302A (zh) * 2010-02-11 2011-08-17 电信科学技术研究院 一种信息指示的方法及设备
CN102368697A (zh) * 2011-09-30 2012-03-07 中兴通讯股份有限公司 干扰测量信令通知、干扰测量及反馈方法及其装置
CN102612056A (zh) * 2011-01-19 2012-07-25 中国移动通信集团公司 一种下行信道质量信息的测量方法、系统及装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102158302A (zh) * 2010-02-11 2011-08-17 电信科学技术研究院 一种信息指示的方法及设备
CN102612056A (zh) * 2011-01-19 2012-07-25 中国移动通信集团公司 一种下行信道质量信息的测量方法、系统及装置
CN102368697A (zh) * 2011-09-30 2012-03-07 中兴通讯股份有限公司 干扰测量信令通知、干扰测量及反馈方法及其装置

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11916821B2 (en) 2015-06-17 2024-02-27 Lg Electronics Inc. Method for channel state report using aperiodic channel state information-reference signal and apparatus therefor
KR20180009747A (ko) * 2015-06-17 2018-01-29 엘지전자 주식회사 비주기적 채널 상태 정보-참조 신호를 이용한 채널 상태 보고를 위한 방법 및 이를 위한 장치
JP2018522474A (ja) * 2015-06-17 2018-08-09 エルジー エレクトロニクス インコーポレイティド 非周期的チャネル状態情報−参照信号を用いたチャネル状態報告のための方法及びそのための装置
KR102508150B1 (ko) * 2015-06-17 2023-03-09 엘지전자 주식회사 비주기적 채널 상태 정보-참조 신호를 이용한 채널 상태 보고를 위한 방법 및 이를 위한 장치
US10587377B2 (en) 2015-06-17 2020-03-10 Lg Electronics Inc. Method for channel state report using aperiodic channel state information-reference signal and apparatus therefor
WO2016177122A1 (fr) * 2015-09-29 2016-11-10 中兴通讯股份有限公司 Appareil et procédé de détection d'interférences de petites cellules
US20190037565A1 (en) * 2016-04-01 2019-01-31 Huawei Technologies Co., Ltd. Uplink information sending method and apparatus and uplink information receiving method and apparatus
WO2017166276A1 (fr) * 2016-04-01 2017-10-05 华为技术有限公司 Procédé et dispositif pour envoyer des informations de liaison montante et procédé et dispositif pour recevoir des informations de liaison montante
KR20180125581A (ko) * 2016-04-01 2018-11-23 후아웨이 테크놀러지 컴퍼니 리미티드 상향링크 정보 송신 방법 및 장치와, 상향링크 정보 수신 방법 및 장치
EP3429299A4 (fr) * 2016-04-01 2019-02-27 Huawei Technologies Co., Ltd. Procédé et dispositif pour envoyer des informations de liaison montante et procédé et dispositif pour recevoir des informations de liaison montante
KR102196857B1 (ko) 2016-04-01 2020-12-30 후아웨이 테크놀러지 컴퍼니 리미티드 상향링크 정보 송신 방법 및 장치와, 상향링크 정보 수신 방법 및 장치
US10856289B2 (en) 2016-04-01 2020-12-01 Huawei Technologies Co., Ltd. Uplink information sending method and apparatus and uplink information receiving method and apparatus
US10834679B2 (en) 2016-11-02 2020-11-10 At&T Intellectual Property I, L.P. Non-orthogonal design for channel state information reference signals for a 5G air interface or other next generation network interfaces
US10334533B2 (en) 2016-11-02 2019-06-25 At&T Intellectual Property I, L.P. Non-orthogonal design for channel state information reference signals for a 5G air interface or other next generation network interfaces
US11558822B2 (en) 2016-11-02 2023-01-17 At&T Intellectual Property I, L.P. Non-orthogonal design for channel state information reference signals for a 5G air interface or other next generation network interfaces
US10432376B2 (en) 2017-01-06 2019-10-01 At&T Intellectual Property I, L.P. Adaptive channel state information reference signal configurations for a 5G wireless communication network or other next generation network
US10812237B2 (en) 2017-01-06 2020-10-20 At&T Intellectual Property I, L.P. Adaptive channel state information reference signal configurations for a 5G wireless communication network or other next generation network
US10237032B2 (en) 2017-01-06 2019-03-19 At&T Intellectual Property I, L.P. Adaptive channel state information reference signal configurations for a 5G wireless communication network or other next generation network
US10742343B2 (en) 2017-01-08 2020-08-11 At&T Intellectual Property I, L.P. Interference cancelation for 5G or other next generation network
US10320512B2 (en) 2017-01-08 2019-06-11 At&T Intellectual Property I, L.P. Interference cancelation for 5G or other next generation network
US11394442B2 (en) 2017-05-27 2022-07-19 Qualcomm Incorporated Signaling design for joint uplink data and channel state information feedback
WO2018218393A1 (fr) * 2017-05-27 2018-12-06 Qualcomm Incorporated Conception de signalisation pour une rétroaction conjointe de données de liaison montante et d'informations d'état de canal
US11757514B2 (en) 2017-05-27 2023-09-12 Qualcomm Incorporated Signaling design for joint uplink data and channel state information feedback
CN114745793A (zh) * 2017-08-10 2022-07-12 Oppo广东移动通信有限公司 传输数据的方法、网络设备和终端设备
CN114745793B (zh) * 2017-08-10 2023-11-28 Oppo广东移动通信有限公司 传输数据的方法、网络设备和终端设备

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