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Methods and apparatus for subframe interlacing in heterogeneous networks

A subframe and resource allocation technology, applied in network planning, time division multiplexing usage, transmission modification based on link quality, etc., can solve problems such as base station interference

Active Publication Date: 2014-07-23
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, with the introduction of semi-autonomous base stations for managing smaller cells (e.g., femtocells and picocells) in systems such as LTE, interference with existing base stations may become a growing problem

Method used

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  • Methods and apparatus for subframe interlacing in heterogeneous networks
  • Methods and apparatus for subframe interlacing in heterogeneous networks
  • Methods and apparatus for subframe interlacing in heterogeneous networks

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Embodiment Construction

[0070] In general terms, the present invention relates to interference coordination and management in wireless communication systems. In various embodiments, the techniques and apparatus described herein may be used in wireless communication networks, such as Code Division Multiple Access (CDMA) networks, Time Division Multiple Access (TDMA) networks, Frequency Division Multiple Access (FDMA) networks, Orthogonal FDMA (OFDMA) networks, Single Carrier FDMA (SC-FDMA) networks, LTE networks, and other communication networks. As described herein, the terms "network" and "system" are used interchangeably.

[0071] A CDMA network may implement a radio technology such as Universal Terrestrial Radio Access (UTRA), cdma2000. UTRA includes Wideband-CDMA (W-CDMA) and Low Chip Rate (LCR). cdma2000 covers IS-2000, IS-95 and IS-856 standards. A TDMA network can implement a radio technology such as Global System for Mobile Communications (GSM).

[0072] An OFDMA network may implement a r...

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Abstract

Methods and apparatus for providing wireless communications using subframe partitioning are disclosed. Two or more base stations may be allocated subframes in a radio frame. All or part of the subframe allocation may be provided to the associated user equipment (UEs), which may use it to determine signal metrics during assigned subframes for an associated base station.

Description

[0001] This application is a divisional application of the invention patent application with the filing date of September 15, 2010 and the application number of 201080040931.4. [0002] Cross References to Related Applications [0003] This application claims priority under 35 U.S.C. §119(e) to U.S. Provisional Patent Application No. 61 / 242,678, filed September 15, 2009, entitled "MULTIPLEXING SUBFRAME INTERLACES BETWEEN NODES ON HETEROGENEOUS NETWORKS," and therefore It is hereby incorporated by reference in its entirety for all purposes. technical field [0004] In general terms, the present application relates to wireless communication systems. In particular, but not exclusively, the present application relates to methods for providing time-division multiplexed subframes in wireless communication networks such as Long Term Evolution (LTE) networks and for adjusting network nodes according to associated performance metrics and device. Background technique [0005] Wirel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
CPCH04W16/10H04W16/14H04W72/04H04L1/0026H04L5/0092H04W16/32H04W72/0446H04W72/23H04J11/0079H04L5/0057H04J2211/005
Inventor A·达姆尼亚诺维奇魏永斌P·A·巴拉尼
Owner QUALCOMM INC