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    SYSTEM AND METHOD TO GENERATE A WAVEFORM IN A COMMUNICATION NETWORK
    12.
    发明申请
    SYSTEM AND METHOD TO GENERATE A WAVEFORM IN A COMMUNICATION NETWORK 审中-公开
    在通信网络中生成波形的系统和方法

    公开(公告)号：WO2018029640A1

    公开(公告)日：2018-02-15

    申请号：PCT/IB2017/054901

    申请日：2017-08-11

    Applicant: INDIAN INSTITUTE OF TECHNOLOGY HYDERABAD

    Inventor： KUCHI, Kiran, Kumar

    IPC: H04J11/00 ,  H04L27/00 ,  H04B7/00

    Abstract: Embodiments of the present disclosure relate to a communication system to generate a waveform by multiplexing multiple user data. The system comprises at least one transceiver, a multiplexer and a processor. The at least one transceiver configured to perform at least one of receiving a plurality of data from a transmitter, and transmitting a generated waveform to a destination. The multiplexer configured to multiplex a plurality of data associated with a plurality of users, to generate multiplexed data. The processor is configured to perform a rotation operation on the multiplexed data to produce a rotated data. Also, the processor is configured to transform the rotated data using Fourier transform to produce transformed data. Further, the processor is configured to map the transformed data using a predefined number of subcarriers to produce a mapped data sequence and thereafter, process the mapped data sequence to generate the waveform.

    Abstract translation: 本公开的实施例涉及一种通过复用多个用户数据来生成波形的通信系统。 该系统包括至少一个收发器，多路复用器和处理器。 所述至少一个收发器被配置为执行以下操作中的至少一个：从发射器接收多个数据，并将生成的波形发送到目的地。 多路复用器被配置为多路复用与多个用户相关联的多个数据以生成多路复用数据。 处理器被配置为对复用数据执行旋转操作以产生旋转数据。 而且，处理器被配置为使用傅立叶变换来变换旋转的数据以产生变换的数据。 此外，处理器被配置为使用预定数量的子载波映射变换的数据以产生映射的数据序列，并且此后处理映射的数据序列以产生波形。

    METHOD OF DETERMINING MODULATION AND CODING SCHEME (MCS) AND A SYSTEM THEREOF
    13.
    发明申请
    METHOD OF DETERMINING MODULATION AND CODING SCHEME (MCS) AND A SYSTEM THEREOF 审中-公开

    公开(公告)号：WO2020100170A1

    公开(公告)日：2020-05-22

    申请号：PCT/IN2019/050853

    申请日：2019-11-18

    Applicant: INDIAN INSTITUTE OF TECHNOLOGY HYDERABAD ,  WISIG NETWORKS PRIVATE LIMITED

    Inventor： KUCHI, Kiran Kumar ,  AMURU, Saidhiraj

    IPC: H04B7/024 ,  H04L5/00 ,  H04W72/04

    Abstract: Embodiments herein provide method of determining modulation and coding scheme (MCS) at a base station (BS). The method comprises obtaining, by the BS, downlink channel state information (DL-CSI) corresponding to a plurality of UEs. Also, the method comprises receiving feedback from the plurality of UEs, said feedback is at least one of explicit interference power and noise power feedback, post processing signal power-to-interference power plus noise power-based and determining MCS associated with a subset of UEs from the plurality of UEs using a predefined mapping between the MCS and a combination of DL-CSI and the feedback from the plurality of UEs. Further, the method comprises indicating the determined MCS to the subset of UEs from the plurality of UEs.

    METHOD AND SYSTEM FOR CLASSIFYING SPEED OF A USER EQUIPMENT
    14.
    发明申请
    METHOD AND SYSTEM FOR CLASSIFYING SPEED OF A USER EQUIPMENT 审中-公开

    公开(公告)号：WO2020026266A1

    公开(公告)日：2020-02-06

    申请号：PCT/IN2019/050554

    申请日：2019-07-27

    Applicant: WISIG NETWORKS PRIVATE LIMITED ,  INDIAN INSTITUTE OF TECHNOLOGY HYDERABAD

    Inventor： KUCHI, Kiran Kumar ,  MAKANDAR, Sibgath Ali Khan ,  AMURU, Saidhiraj

    IPC: H04W24/00 ,  G01S11/10 ,  H04W36/32

    Abstract: Embodiments of the present disclosure are related to system and method of classifying speed of at least one user equipment (UE). The method comprises receiving a plurality of input signals associated with the at least one UE. Also, method comprises estimating a plurality of channels using a plurality of reference signals associated with the inputs signals. Further, the method comprises computing a metric between the estimated plurality of channels and classifying speed of the at least one UE using the computed metric. The classifying the at least one UE using the metric comprises obtaining a power spectral density (PSD) from the metric, estimating a Doppler spectrum width using the PSD and classifying the at least one UE by comparing the Doppler spectrum width with one or more threshold values.

    PROCESS OF FABRICATION OF SUBMICRON ALIGNED HYDROPHOBIC AND OLEOPHILIC FIBRE FROM POLYSTYRENE WASTE WITH CONTROLLABLE GEOMETRY USING-CITRUS PEEL EXTRACT AS SOLVENT
    15.
    发明申请
    PROCESS OF FABRICATION OF SUBMICRON ALIGNED HYDROPHOBIC AND OLEOPHILIC FIBRE FROM POLYSTYRENE WASTE WITH CONTROLLABLE GEOMETRY USING-CITRUS PEEL EXTRACT AS SOLVENT 审中-公开
    用可控几何法制备亚微米排列疏水和亲油纤维的聚苯乙烯废物的制备方法 - 使用柑桔皮提取物作为溶剂

    公开(公告)号：WO2016083883A3

    公开(公告)日：2016-06-02

    申请号：PCT/IB2015/002220

    申请日：2015-11-26

    Applicant: INDIAN INSTITUTE OF TECHNOLOGY HYDERABAD

    Inventor： SHARMA, Sandra ,  YADAV, Shital

    IPC: C08J11/00

    Abstract: The present invention discloses a simple mechanical method of fabrication of sub-micron aligned free standing hydrophobic and oleophilic fibers of polystyrene waste using extracts obtained from the peel of any citrus fruit such as orange, lemon, sweet lime, kinnow etc. as solvent. Fibers are aligned and useful in making different geometries. Process of making film using this process is facile and fast and film obtained is free standing film. Process set-up have minimum requirement and is inexpensive. This method is simple and flexible with respect to set-up and process. This process has the potential of being industrialized. Therefore, this method can be beneficial in dealing with both the orange peel and polystyrene waste.

    Abstract translation: 本发明公开了一种简单的机械方法，其使用从任何柑橘类水果的果皮获得的提取物制造亚微米排列的聚苯乙烯废物的疏水性和亲油性纤维，所述提取物例如橙，柠檬，甜酸橙 ，kinnow等作为溶剂。 纤维对齐并且有助于制造不同的几何形状。 使用这种方法制备薄膜的过程容易且快速，并且获得的薄膜是独立式薄膜。 过程设置具有最低要求且价格低廉。 该方法在设置和处理方面简单灵活。 这个过程有可能被工业化。 因此，这种方法可以有利于处理桔皮和聚苯乙烯废物。

    HIGH ASPECT RATIO HIERARCHICAL SUPERHYDROPHOBIC AND ANTIREFLECTIVE POLYMERIC SURFACES FABRICATED BY BIOMIMICKING CANNA INDICA PLANT
    16.
    发明申请
    HIGH ASPECT RATIO HIERARCHICAL SUPERHYDROPHOBIC AND ANTIREFLECTIVE POLYMERIC SURFACES FABRICATED BY BIOMIMICKING CANNA INDICA PLANT 审中-公开
    通过生物捕捉CANNA INDICA工厂制作的高均分比超分子和抗反射聚合物表面

    公开(公告)号：WO2015177589A1

    公开(公告)日：2015-11-26

    申请号：PCT/IB2014/001910

    申请日：2014-09-24

    Applicant: INDIAN INSTITUTE OF TECHNOLOGY HYDERABAD

    Inventor： SHARMA, Chandra, Shekhar ,  MATTAPARTHI, Srinadh

    IPC: C08K3/02 ,  B29C39/00 ,  D06N7/04 ,  B32B5/16

    CPC classification number: B29C39/00 ,  B29C33/3857 ,  B29C2033/3871 ,  B32B5/16

    Abstract: The present invention relates to a polymer developed to possess high aspect ratio, anti- reflectivity and super-hydrophobic properties, in other words multi-functionality and a method of fabricating the polymer by bio-mimicking Canna India seed pod, leaf and petal surfaces. Polymer solar cells with anti-reflective as well as super-hydrophobic surface will not only enhance the efficiency but also durability. Further if these properties are achieved in carbon materials which are electrically conductive, one can explore applications in electrode materials in batteries, high performance fuel cells, super-capacitors and bio-sensors.

    Abstract translation: 本发明涉及一种开发成具有高纵横比，抗反射性和超疏水性质的聚合物，换句话说，涉及多功能性和通过生物模拟Canna印度种子荚，叶和花瓣表面制备聚合物的方法。 具有抗反射和超疏水表面的聚合物太阳能电池不仅可以提高效率，而且可以提高耐久性。 此外，如果在具有导电性的碳材料中实现这些性质，则可以探索电池，高性能燃料电池，超级电容器和生物传感器中的电极材料的应用。

    METHOD AND TRANSMITTER FOR GENERATING A WAVEFORM WITH OPTIMIZED PAPR
    19.
    发明申请
    METHOD AND TRANSMITTER FOR GENERATING A WAVEFORM WITH OPTIMIZED PAPR 审中-公开
    发生具有优化PAPR的波形的方法和发射机

    公开(公告)号：WO2017178871A1

    公开(公告)日：2017-10-19

    申请号：PCT/IB2016/053044

    申请日：2016-05-25

    Applicant: INDIAN INSTITUTE OF TECHNOLOGY HYDERABAD

    Inventor： KUCHI, Kiran, Kumar

    IPC: H04L27/00 ,  H04L25/00

    Abstract: Embodiments of the present disclosure disclose method and transmitter to generate and transmit a waveform with an optimized peak to average power (PAPR) in a communication network. The method comprises performing a constellation rotation on input data symbols to create a rotated data symbols, wherein the input data symbols is obtained by performing at least one of prefixing a modulation data with first predefined number (N1) of zero's and post-fixing the modulation data with second predefined number (N2) of zero's. Also, the method comprises performing convolution operation on the input data symbols using one or more filter coefficients to produce a symbol level filtered data. Further, the method comprises pulse shaping the symbol level filtered data to generate a pulse shaped data sequence and processing the pulse shaped data sequence to generate a waveform.

    Abstract translation: 本公开的实施例公开了用于在通信网络中生成并发送具有优化的峰均功率（PAPR）的波形的方法和发射机。 该方法包括对输入数据符号执行星座旋转以创建旋转后的数据符号，其中输入数据符号是通过执行下列操作中的至少一个来获得的：将第一预定义数量（N1）为零的调制数据加上前缀并将固定后的调制 具有零的第二预定义数量（N2）的数据。 而且，该方法包括使用一个或多个滤波器系数对输入数据符号执行卷积运算以产生符号级滤波数据。 此外，该方法包括对符号级滤波数据进行脉冲整形以生成脉冲整形数据序列，并处理脉冲整形数据序列以生成波形。

    METHOD AND SYSTEM FOR DESIGNING A WAVEFORM FOR DATA COMMUNICATION
    20.
    发明申请
    METHOD AND SYSTEM FOR DESIGNING A WAVEFORM FOR DATA COMMUNICATION 审中-公开
    用于设计用于数据通信的波形的方法和系统

    公开(公告)号：WO2016174508A1

    公开(公告)日：2016-11-03

    申请号：PCT/IB2015/055381

    申请日：2015-07-16

    Applicant: INDIAN INSTITUTE OF TECHNOLOGY HYDERABAD

    Inventor： KUCHI, Kiran Kumar

    IPC: H04L25/03

    CPC classification number: H04L25/03834 ,  H04B1/02 ,  H04L27/2003 ,  H04L27/2014 ,  H04L27/2636

    Abstract: Embodiments herein disclose a method and system for designing a waveform for data communication. The method includes applying, by a phase rotation applying unit, a constellation specific phase rotation between consecutive data symbols in a data stream to obtain a constellation rotated data stream. Further, the method includes introducing, by a frequency domain pulse shaping filter, an inter symbol interference (ISI) between modulated data symbols of the constellation rotated data stream, such that the ISI develops the waveform of the constellated rotated data stream to be transmitted.

    Abstract translation: 本文的实施例公开了一种用于设计用于数据通信的波形的方法和系统。 该方法包括通过相位旋转施加单元在数据流中的连续数据符号之间应用星座特定相位旋转，以获得星座旋转数据流。 此外，该方法包括通过频域脉冲整形滤波器引入星座旋转数据流的调制数据符号之间的符号间干扰（ISI），使得ISI产生要发送的星座旋转数据流的波形。

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