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    TIME-DIVISION DUPLEX FRAME STRUCTURE FOR NARROWBAND COMMUNICATIONS
    22.
    发明申请
    TIME-DIVISION DUPLEX FRAME STRUCTURE FOR NARROWBAND COMMUNICATIONS 审中-公开

    公开(公告)号：US20190274141A1

    公开(公告)日：2019-09-05

    申请号：US16415963

    申请日：2019-05-17

    Applicant: QUALCOMM Incorporated

    Inventor： Gowrisankar SOMICHETTY ,  Kapil BHATTAD ,  Alberto RICO ALVARINO ,  Xiao Feng WANG ,  Manikandan CHANDRASEKAR

    IPC: H04W72/04 ,  H04L5/00 ,  H04W72/14 ,  H04L5/14 ,  H04L1/00 ,  H04L1/18

    Abstract: There is a need to support TDD frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more TDD frame structure(s) for narrowband communications. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may determine to receive a narrowband physical downlink channel in a first subframe in a TDD frame structure of a plurality of TDD frame structures for narrowband communications. The TDD frame structures may include one or more special subframes, and the first subframe may be a downlink subframe. The apparatus may receive the narrowband physical downlink channel in a special subframe of the narrowband TDD frame structure, if the number of downlink OFDM symbols in the special subframe is greater than a predetermined threshold.

    FREQUENCY HOPPING FOR MULTICAST SERVICE TRANSMISSIONS FOR NARROWBAND DEVICES
    23.
    发明申请
    FREQUENCY HOPPING FOR MULTICAST SERVICE TRANSMISSIONS FOR NARROWBAND DEVICES 审中-公开

    公开(公告)号：US20190238286A1

    公开(公告)日：2019-08-01

    申请号：US16380880

    申请日：2019-04-10

    Applicant: QUALCOMM Incorporated

    Inventor： Gowrisankar SOMICHETTY ,  Kapil BHATTAD

    IPC: H04L5/00 ,  H04W72/00 ,  H04B1/713

    CPC classification number: H04L5/0012 ,  H04B1/713 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0091 ,  H04L5/0094 ,  H04W72/005

    Abstract: Various features related to frequency hopping for broadcast/multicast transmissions for narrow band devices are described. To exploit frequency diversity, multicast transmissions may be frequency hopped. In an aspect, a UE maybe configured to receive a signal, e.g., from a base station, including at least one of a first hopping indicator indicating whether frequency hopping is enabled for a multicast control channel or a second hopping indicator indicating whether frequency hopping is enabled for a multicast traffic channel, and determine whether frequency hopping is enabled for the at least one of the multicast control or traffic channel based on the received signal. The UE may further determine at least one hopping pattern for receiving multicast transmissions in the at least one of the multicast control channel or the multicast traffic channel when the frequency hopping is enabled, and receive the multicast transmissions based on the determined at least one hopping pattern.

    CELL-SPECIFIC REFERENCE SIGNAL TRANSMISSIONS FOR EVOLVED MACHINE TYPE COMMUNICATION
    24.
    发明申请
    CELL-SPECIFIC REFERENCE SIGNAL TRANSMISSIONS FOR EVOLVED MACHINE TYPE COMMUNICATION 审中-公开

    公开(公告)号：US20180351714A1

    公开(公告)日：2018-12-06

    申请号：US15961329

    申请日：2018-04-24

    Applicant: QUALCOMM Incorporated

    Inventor： Ahmed ZAKI ,  Gowrisankar SOMICHETTY ,  Shashidhar VUMMINTALA

    IPC: H04L5/00 ,  H04W72/08

    CPC classification number: H04L5/0048 ,  H04L5/0007 ,  H04L5/005 ,  H04W72/085

    Abstract: The present disclosure provides reduced cell-specific reference signal (CRS) transmissions for evolved machine type communication (eMTC). In one aspect, a network entity may determine at least one narrow band for transmission of a CRS. The network entity may further identify one or more resource blocks proximate the at least one narrow band and transmit the CRS on the narrow band and the one or more proximate resource blocks to a UE. In another aspect, a UE may apply a receive window to filter one or more noise samples outside at least one narrow band allocation, the receive window corresponding to one or more resource blocks located outside the defined number of resource blocks of the at least one narrow band allocation. The UE may further receive the CRS within the at least one narrow band allocation from a network entity in response to applying the receive window.

    FREQUENCY HOPPING DESIGN FOR LARGE BANDWIDTH ALLOCATIONS IN EMTC
    29.
    发明申请
    FREQUENCY HOPPING DESIGN FOR LARGE BANDWIDTH ALLOCATIONS IN EMTC 审中-公开

    公开(公告)号：US20180219576A1

    公开(公告)日：2018-08-02

    申请号：US15873649

    申请日：2018-01-17

    Applicant: QUALCOMM Incorporated

    Inventor： Kapil BHATTAD ,  Gowrisankar SOMICHETTY ,  Shashidhar VUMMINTALA ,  Alberto RICO ALVARINO

    IPC: H04B1/713 ,  H04W72/04 ,  H04W4/70

    CPC classification number: H04B1/713 ,  H04W4/70 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/0453

    Abstract: Certain aspects of the present disclosure provide techniques for hopping design for larger bandwidth allocations in enhanced machine type communications (eMTC). A method of wireless communication by a user equipment (UE) is provided. The method generally includes receiving a resource allocation for uplink transmission in at least one subframe. The resource allocation includes a set of allocated subframes and configuration information for frequency hopping. The method includes determining allocated frequency hopped resources, within a system bandwidth, for each subframe of the set of allocated subframes. The method includes including a center resource block (RB) in addition to the determined allocated frequency hopped resources if the determined allocated frequency hopped resources include resources around the center RB. The method includes removing a last RB from the determined allocated frequency hopped resources if the determined allocated frequency hopped resources include resources around the center RB.

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