公开(公告)号：US10171159B1

公开(公告)日：2019-01-01

申请号：US15451769

申请日：2017-03-07

Applicant: Sprint Spectrum LP

Inventor： Pinalkumari Tailor ,  Yun Sung Kim ,  Sandeep Mangrulkar ,  Dennis Canoy

IPC: H04B7/14 ,  H04B7/155 ,  H04L5/00 ,  H04W52/36 ,  H04W28/02

Abstract: A method for donor selection in a relay access node includes identifying a plurality of candidate donor access nodes and obtaining one or more characteristics associated with each of the plurality of candidate donor access nodes. The method further includes determining a primary donor access node based on a comparison of the one or more characteristics between each of the plurality of candidate donor access nodes, and receiving a reference signal transmitted by the primary donor access node at a transmission power higher than a transmission power of downlink information transmitted by the primary donor access node. One or more quality characteristics of the primary donor access node are evaluated, and based on the one or more quality characteristics meeting a predetermined threshold, a connection to the primary donor access node is requested. Devices and systems relate to donor selection.

公开(公告)号：US11115884B1

公开(公告)日：2021-09-07

申请号：US16516804

申请日：2019-07-19

Applicant: Sprint Spectrum LP

Inventor： Yun Sung Kim ,  Sandeep Mangrulkar ,  Minho Song ,  Sanghoon Sung

IPC: H04W36/08 ,  H04W36/00 ,  H04L5/00 ,  H04B7/0413

Abstract: A serving access node is determined as being capable of transmitting a mMIMO signal, responsive to which handover parameters are adjusted for wireless devices attached to the serving access node and receiving the mMIMO signal. Wireless devices attached to a sector deployed by a first access node and not the mMIMO signal are configured to utilize different handover parameters such that the non mMIMO wireless devices request handovers using standard signal level thresholds.

公开(公告)号：US10797762B1

公开(公告)日：2020-10-06

申请号：US16527462

申请日：2019-07-31

Applicant: Sprint Spectrum LP

Inventor： Sanghoon Sung ,  Yun Sung Kim ,  Minho Song ,  Sandeep Mangrulkar

IPC: H04B7/04 ,  H04B7/06 ,  H04B17/309 ,  H04B7/0417

Abstract: Beamforming in massive MIMO networks includes monitoring a signal condition such as pathloss of wireless devices and, based thereon, selecting a type of reference signal for the wireless devices, the type selected from among a non-precoded reference signal, a beamformed reference signal, or a standard reference signal. Further, an MCS of the wireless devices is monitored and, based thereon, the type of reference signal is adjusted.