公开(公告)号：US10135599B2

公开(公告)日：2018-11-20

申请号：US15229834

申请日：2016-08-05

Applicant: Nokia Technologies Oy

Inventor： Gunter Wolff ,  Roy Yang

IPC: H04L5/14 ,  H04L27/26 ,  H04L29/06 ,  H04W88/08

Abstract: Frequency domain compression of fronthaul interface for transporting frequency domain data over Ethernet includes applying Inverse Discrete Fourier Transform to frequency domain data contained in a frequency bandwidth to generate a time domain output signal in a time domain. The time domain output signal is compressed to generate a compressed time domain output signal. The compressed time domain output signal is transmitted over a fronthaul interface to a remote unit. The compressed time domain output signal is decompressable at the remote unit to generate a decompressed time domain output signal. Discreet Fourier Transform is applied to the decompressed time domain output signal at the remote unit to recover the frequency domain data.

公开(公告)号：US11224044B1

公开(公告)日：2022-01-11

申请号：US16949798

申请日：2020-11-13

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Lan Hu ,  Navin Hathiramani ,  Roy Yang

IPC: H04W72/04 ,  H04W36/00

Abstract: Various techniques are provided for spectrum allocation. A method can include receiving a message including a first maximum power setting, a second maximum power setting, and a spatial range associated with the second maximum power setting, transmitting at least one first beam within the first maximum power in a spatial range excluding the spatial range associated with the second maximum power setting, and transmitting at least one second beam within the second maximum power in the spatial range associated with the second maximum power setting.

公开(公告)号：US10064019B2

公开(公告)日：2018-08-28

申请号：US15196909

申请日：2016-06-29

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Kenneth Gustafson ,  Roy Yang

IPC: H04W4/08 ,  H04W74/08 ,  H04W72/04 ,  H04L1/18 ,  H04L29/08

CPC classification number: H04W4/08 ,  H04L1/1861 ,  H04L67/02 ,  H04W4/06 ,  H04W72/0413 ,  H04W72/042 ,  H04W74/0833 ,  H04W88/085

Abstract: Various communication systems may benefit from an improved signaling protocol. For example, communication systems may benefit from an improved network support for a single frequency network transmission using an Ethernet switch. A method includes receiving a message at an access point in a single frequency network from a network entity through a data switch. The message comprises an indication of at least one of a downlink physical channel or an uplink physical channel. The method also includes transmitting a request for a signal characteristic through the at least one downlink physical channel to a user equipment. In addition, the method includes receiving the signal characteristic through the at least one uplink physical channel from the user equipment. Further, the method includes transmitting a response message through the data switch from the access point to the network entity indicating the signal characteristic.