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Base station, user equipment and methods therein for control timing configuration assignment in a multiple cell communications network

A technology for user equipment and communication networks, applied in multiplex communication, wireless communication, signaling distribution, etc., and can solve problems such as high power and consumption

Active Publication Date: 2014-05-07
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This means wider receiver bandwidth, higher sampling rate, etc. resulting in higher power consumption

Method used

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  • Base station, user equipment and methods therein for control timing configuration assignment in a multiple cell communications network
  • Base station, user equipment and methods therein for control timing configuration assignment in a multiple cell communications network
  • Base station, user equipment and methods therein for control timing configuration assignment in a multiple cell communications network

Examples

Experimental program
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example 1

[0105] Given TDD configurations 1 and 2, all subframes that are UL in configuration 1 or 2 are also UL subframes in configurations 1, 6 and 0. A DL subframe in configuration 1, 6 or 0 is also a DL subframe in configuration 1 and 2.

[0106] Given TDD configurations 1 and 3, all subframes that are UL in configuration 1 or 3 are also UL in configurations 6 and 0. A DL subframe in configuration 6 or 0 is also a DL subframe in configurations 1, 2, 3, 4, 5 and 6.

[0107] Given TDD configurations 2, 3 and 4, all subframes that are UL in any of the three configurations are also UL in configurations 6 and 0. A DL subframe in configuration 6 or 0 is also a DL subframe in configurations 1, 2, 3, 4, 5 and 6.

[0108] Given a set of TDD configurations, the TDD configurations that can be connected with a down arrow from all given TDD configurations have the following two properties:

[0109] • A TDD configuration includes DL subframes that are a superset of all DL subframes from all gi...

example 2

[0112] Given TDD configurations 1 and 2, all subframes that are DL in configuration 1 or 2 are also DL in configurations 2 and 5. UL subframes in configuration 2 or 5 are also UL subframes in configurations 1, 2, 6 and 0.

[0113] Given TDD configurations 1 and 3, all subframes that are DL in configuration 1 or 3 are also DL in configurations 4 and 5. UL subframes in configuration 4 or 5 are also UL subframes in configurations 0, 3, 4 and 6.

[0114] Given TDD configurations 2, 3 and 4, all subframes that are DL in any of the three configurations are also DL in configuration 5. UL subframes in configuration 5 are also UL subframes in configurations 0, 1, 2, 3, 4 and 6.

[0115] configuration assignment

[0116] In Rel-8TDD, the following two subframe timing sets are set based on the same parameter, which is the serving cell U / D configuration number: (1) UL HARQ control and grant subframe timing and (2) DL HARQ A / N subframe timing. In Rel-10 TOD CA, both types of subframe ...

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Abstract

Example embodiments presented herein are directed towards a base station and method therein, for configuring control timing to and from a user equipment in a multiple component cell communications network. Example embodiments presented herein are also directed towards a user equipment and method therein, for configuration of control timing for a user equipment in a multiple component cell communications network.

Description

technical field [0001] Example embodiments relate to a base station and user equipment and methods thereof for assigning and implementing a control timing configuration number for control timing in a multi-cell communication network. Background technique [0002] long term evolution system [0003] Long Term Evolution (LTE) uses Orthogonal Frequency Division Multiplexing (OFDM) in the downlink direction and Discrete Fourier Transform (DFT)-spread OFDM in the uplink direction. Basic LTE downlink physical resources can thus be viewed as figure 1 The time-frequency grid is shown in , where each resource element corresponds to one OFDM subcarrier during one OFDM symbol interval. Such as figure 2 As shown in , in the time domain, LTE downlink transmissions can be organized into radio frames of 10 ms, where each radio frame consists of ten equally sized subframes of length Tsubframe = 1 ms. [0004] Additionally, resource allocation in LTE is typically described in terms of r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
CPCH04L1/1861H04L5/001H04L5/0053H04L5/0055H04L5/1469H04L5/16H04W72/0446H04W72/23H04W76/27H04B7/2612H04J11/0023H04W72/21H04J11/00H04L1/1812H04L5/14H04W88/02H04W88/08
Inventor J-F·程D·拉森M·弗雷内D·格斯滕伯格R·巴尔德迈尔
Owner TELEFON AB LM ERICSSON (PUBL)