公开(公告)号：US20210336676A1

公开(公告)日：2021-10-28

申请号：US17370364

申请日：2021-07-08

Applicant: AT&T Intellectual Property I, L.P.

Inventor： SaiRamesh Nammi ,  Arunabha Ghosh ,  Ralf Bendlin

IPC: H04B7/06 ,  H04L1/00 ,  H04W72/04 ,  H04L5/00

Abstract: The described technology is generally directed towards indicating to a receiver (e.g., a user equipment) which antenna ports are assigned for channel state information reference signals (CSI-RS). The indicator can be sent as radio resource control configuration data and/or by physical layer signaling such as in downlink control information. The receiver computes CSI based on the assigned antenna port or ports, and the reported (e.g., joint) CSI helps avoid mismatched joint CSI used for scheduling when multiple transmit and receive points (TRPs) are communicating with the user equipment.

公开(公告)号：US20210282173A1

公开(公告)日：2021-09-09

申请号：US16809034

申请日：2020-03-04

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Xiaoyi Wang ,  Ralf Bendlin

IPC: H04W72/14 ,  H04W72/04

Abstract: During a sidelink process, a configured grant can be utilized for data reception. For example, one user device (e.g., gnodeB or local manager user equipment) can send a signal to a receiving UE indicating that the user device should monitor a specific channel for a specific time. The user device can then send another signal to a transmitting user equipment indicating that it needs to transmit on a specific sub channel at the specific time or window of time. Thus, the user device can facilitate scheduling of data transmissions/receptions such that radio resources are preserved.

公开(公告)号：US20210273696A1

公开(公告)日：2021-09-02

申请号：US17324355

申请日：2021-05-19

Applicant: AT&T Intellectual Property I, L.P.

Inventor： SaiRamesh Nammi ,  Arunabha Ghosh ,  Ralf Bendlin

IPC: H04B7/0456 ,  H04W72/04 ,  H04L5/00

Abstract: The technologies described herein are generally directed toward facilitating indicating frequency and time domain resources in communication systems with multiple transmission points. According to an embodiment, a system can comprise a processor and a memory that can store executable instructions that, when executed by the processor, facilitate performance of operations. The operations can include determining a first and a second transmission resource to use for transmission of a signal to a user device by, respectively, a first and a second network node. The operations can further include determining that the first and the second transmission resource comprise a same transmission resource. The operations can further include communicating, to a user equipment, a value corresponding to the first transmission resource and an indication that the first and the second transmission resource comprise the same transmission resource.

公开(公告)号：US11050546B2

公开(公告)日：2021-06-29

申请号：US15967131

申请日：2018-04-30

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Ralf Bendlin ,  Thomas Novlan ,  Arunabha Ghosh

IPC: H04B7/024 ,  H04W72/04 ,  H04W48/16 ,  H04L5/14 ,  H04L5/00

Abstract: Time domain resource allocation is facilitated for a physical downlink shared channel. For instance, a physical downlink shared channel associated with a mobile device can be configured via a broadcast channel, and a data structure associated with the physical downlink shared channel corresponding to a physical downlink control channel can also be configured. The configured data structure can be sent to the mobile device to be utilized for physical downlink shared channel transmissions between the wireless network device and the mobile device. Additionally, the time domain resources can be allocated by transmitting a physical downlink shared channel transmission to the mobile device based on a condition associated with a radio resource control connection being determined to not have been satisfied.

公开(公告)号：US11038568B2

公开(公告)日：2021-06-15

申请号：US16842377

申请日：2020-04-07

Applicant: AT&T Intellectual Property I, L.P.

Inventor： SaiRamesh Nammi ,  Arunabha Ghosh ,  Ralf Bendlin

IPC: H04B7/0456 ,  H04W72/04 ,  H04L5/00

Abstract: The technologies described herein are generally directed toward facilitating indicating frequency and time domain resources in communication systems with multiple transmission points. According to an embodiment, a system can comprise a processor and a memory that can store executable instructions that, when executed by the processor, facilitate performance of operations. The operations can include determining a first and a second transmission resource to use for transmission of a signal to a user device by, respectively, a first and a second network node. The operations can further include determining that the first and the second transmission resource comprise a same transmission resource. The operations can further include communicating, to a user equipment, a value corresponding to the first transmission resource and an indication that the first and the second transmission resource comprise the same transmission resource.

公开(公告)号：US20210160012A1

公开(公告)日：2021-05-27

申请号：US17166402

申请日：2021-02-03

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Ralf Bendlin ,  Xiaoyi Wang ,  Andrew Thornburg ,  Thomas Novlan

IPC: H04L1/18 ,  H04L1/16 ,  H04W76/14 ,  H04W76/11 ,  H04W72/04

Abstract: The disclosed subject matter is directed towards scheduling and Hybrid Automatic Repeat Request (HARQ) operations by which nodes in a three party communication system can communicate. To schedule a data transmission from a transmitter node to receiver node(s), a local manager/scheduler node sends common downlink control information to the transmitter and receiver nodes. Via a scheduling request, the transmitting node can request the scheduling of the data transmission by the local manager node. The technology facilitates unicast and broadcast/multicast data transmissions; for a unicast data transmission, the scheduling request identifies the receiving node. The transmitting node can explicitly acknowledge reception of the downlink control information to the local manager node, or the local manager node can detect the data transmission, when it occurs, as an implicit acknowledgment that the common downlink control information was successfully received.

公开(公告)号：US10986647B2

公开(公告)日：2021-04-20

申请号：US15587233

申请日：2017-05-04

Applicant: AT&T Intellectual Property I, L.P.

Inventor： SaiRamesh Nammi ,  Arunabha Ghosh ,  Ralf Bendlin

IPC: H04W72/12 ,  H04W84/04

Abstract: Facilitating management of group common downlink control channels in a wireless communications system is provided herein. A method can comprise allocating, by a network device of a wireless network and comprising a processor, a group identifier to a mobile device based on a determination that the mobile device decodes a group common physical downlink control channel for wireless communications. The method can also comprise facilitating, by the network device, a transmission of data via the group common physical downlink control channel to the mobile device based on the group identifier.

公开(公告)号：US10979151B2

公开(公告)日：2021-04-13

申请号：US16419561

申请日：2019-05-22

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Ralf Bendlin ,  Salam Akoum ,  Xiaoyi Wang

IPC: H04B17/10 ,  H04B17/00

Abstract: The described technology is generally directed towards multidimensional grid sampling for radio frequency power feedback. A mobile device can sample radio frequency signal power at multiple sample points, and can send sample values to a base station. The multiple sample points can be defined with reference to a grid having a first dimension and a second dimension, such as time and frequency, or delay and Doppler. A variety of techniques are provided to define the multiple sample points.

公开(公告)号：US10972922B2

公开(公告)日：2021-04-06

申请号：US16830430

申请日：2020-03-26

Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.

Inventor： Ralf Bendlin ,  Xiaoyi Wang ,  SaiRamesh Nammi

IPC: H04W72/04 ,  H04W24/02 ,  H04L5/00 ,  H04W28/06 ,  H04W72/12

Abstract: Various embodiments disclosed herein provide for multi-stage segmentation of downlink control information. Downlink control information can arrive at a user equipment on more than one channel, setting up and configuring data channels for different base stations, or data channels for the same base station but where the data channels are in different frequency domains or time domains. The downlink control information segmentation system disclosed herein can determine when downlink control information for the user equipment is common across a plurality of downlink control channels, and ensure that the downlink control information is sent just one time, to avoid redundant data transmissions and increased overhead.

公开(公告)号：US20210083742A1

公开(公告)日：2021-03-18

申请号：US17104834

申请日：2020-11-25

Applicant: AT&T Intellectual Property I, L.P.

Inventor： Salam Akoum ,  Xiaoyi Wang ,  Ralf Bendlin

IPC: H04B7/06 ,  H04B17/382 ,  H04L25/02

Abstract: Facilitating sparsity adaptive feedback in the delay doppler domain in advanced networks (e.g., 4G, 5G, 6G, and beyond) is provided herein. Operations of a method can comprise determining, by a first device comprising a processor, a channel covariance matrix in a time-frequency domain based on a channel estimation associated with reference signals received from a second device. The method also can comprise decomposing, by the first device, the channel covariance matrix into a group of component matrices. Further, the method can comprise transforming, by the first device, respective matrices of the group of component matrices into respective covariance matrices in a delay doppler domain. The method also can comprise determining, by the first device, channel state information feedback in the delay doppler domain.