Node role assignment in networks

K Dudzinski, HKS Sarao, JA Eva - US Patent 10,231,139, 2019 - Google Patents
There is provided a node for use in a network, the node comprising: communication circuitry
to communicate with a management server. Bootstrap circuitry initially identifies an …

Wireless transmitter

K Imamura - US Patent 8,107,897, 2012 - Google Patents
A wireless transmitter includes: a plurality of transmission antennas; a phase rotating unit
which adds phase rotation to signals which are respectively input to the plurality of …

Space-time transmit diversity scheme for time-dispersive propagation media

J Thomas, SC Jasper, JP Michels - US Patent 7,471,734, 2008 - Google Patents
This invention extends Alamouti's scheme for wideband TDMA systems; it then works in
conjunction with time-domain equalization. In fact, the present invention envisages time …

Wireless transmission device and wireless transmission method

K Imamura - US Patent 8,098,763, 2012 - Google Patents
(57) ABSTRACT A Wireless transmission device of the present invention includes 11 (Where
n is an integer of tWo or more) transmission antennas and a delay imparting section for …

Apparatus and method for providing transmit diversity in a mobile communication system using multiple antennas

JK Han, DG Kim, HJ Kwon, DH Kim, YS Kim… - US Patent App. 11 …, 2005 - Google Patents
A transmit diversity apparatus and method are provided for adaptively providing a transmit
diversity gain or a beamforming gain depending on changes in a radio channel undergoing …

Coordinating distributed radio via remote units

T Goshen, R Zack - US Patent 9,026,119, 2015 - Google Patents
Provided herein is a dynamically coordination of a distribution of radio signals via distributed
remote radio units, with respect to changing numbers and locations of user equipment. A …

System for efficiently covering a sectorized cell utilizing beam forming and sweeping

SJ Goldberg, A Cuffaro - US Patent 7,596,387, 2009 - Google Patents
BACKGROUND Sectoring is a well known technique for providing distinct coverage area
from individual cell sites and can be achieved with'smart antenna'technology, which is well …

Method and apparatus for controlling a smart antenna using metrics derived from a single carrier digital signal

SH Reichgott, RA Casas, SN Hulyalkar… - US Patent …, 2009 - Google Patents
A method for selecting an antenna direction setting for optimum signal reception prior to
channel equalization provides a set of metrics, referred to as channel quality metrics (CQM) …

Transmission method, transmitter apparatus, reception method and receiver apparatus

Y Murakami, T Kimura, M Ouchi - US Patent 9,048,899, 2015 - Google Patents
Transmission quality is improved in an environment in which direct waves dominate in a
transmission method for transmitting a plurality of modulated signals from a plurality of …

Multiple inputs and multiple outputs wireless communication system with expansion module

L Chang - US Patent 8,885,748, 2014 - Google Patents
A wireless communication system with multiple inputs and multiple outputs for
simultaneously transmitting or receiving a plurality of sub-signals with a first direction of …