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System and Method for Multi-Source Channel Estimation

a multi-source channel and estimation system technology, applied in the field of digital communication, can solve the problems of time-consuming and complex channel estimation operation, and achieve the effect of low complexity

Active Publication Date: 2017-05-18
FUTUREWEI TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent describes a way to estimate the channels in a large MIMO communication device using the relationships between signal paths and sources. This approach reduces complexity and can improve the efficiency of the device.

Problems solved by technology

Channel estimation is a complex and time intensive operation.

Method used

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  • System and Method for Multi-Source Channel Estimation
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  • System and Method for Multi-Source Channel Estimation

Examples

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Embodiment Construction

[0031]The operating of the current example embodiments and the structure thereof are discussed in detail below. It should be appreciated, however, that the present disclosure provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific structures of the embodiments and ways to operate the embodiments disclosed herein, and do not limit the scope of the disclosure.

[0032]One embodiment relates to multi-source channel estimation. For example, a device determines secondary paths of a signal received at a reception point, wherein the signal reflects off one or more reflective surfaces before being received at the reception point, determining mirror sources of the secondary paths in accordance with locations of the one or more reflective surfaces and a main source of the signal, determines associations between the secondary paths and the mirror sources based on cross points at...

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Abstract

A method for associating signal sources and paths includes determining secondary paths of a signal received at a reception point, wherein the signal reflects off one or more reflective surfaces before being received at the reception point, determining mirror sources of the secondary paths in accordance with locations of the one or more reflective surfaces and a main source of the signal, determining associations between the secondary paths and the mirror sources based on cross points at which the signal reflected off the one or more reflective surfaces, thereby obtaining path-source associations, and instructing use of the path-source associations in multi-source channel estimation.

Description

TECHNICAL FIELD[0001]The present disclosure relates generally to digital communications, and more particularly to a system and method for multi-source channel estimation.BACKGROUND[0002]In general, multiple input multiple output (MIMO) increases the capacity of a radio link through the use of multiple transmit antennas and multiple receive antennas. MIMO exploits multipath propagation to increase the capacity of the radio link. MIMO has proven to be effective at increasing the capacity of the radio link and has been accepted into a variety of technical standards, including WiFi or Wireless LAN: IEEE 802.11n, and IEEE 802.11ac; Evolved High-Speed Packet Access (HSPA+); Worldwide Interoperability for Microwave Access (WiMAX); and Third Generation Partnership Project (3GPP) Long Term Evolution (LTE) Advanced.[0003]Increasing the number of transmit antennas and receive antennas from a relatively small number (on the order of 10 or fewer) to a significantly larger number (on the order of...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04L25/02H04B7/04
CPCH04B7/0413H04L25/0202H04L25/0204H04L25/0224H04L25/024H04L25/0212
Inventor MOLEV SHTEIMAN, ARKADYQI, XIAO FENG
Owner FUTUREWEI TECH INC