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Method and apparatus for reporting channel state information in a telecommunication system

A channel state information and reporting technology, applied in radio transmission systems, transmission systems, digital transmission systems, etc., can solve problems such as ICIC

Active Publication Date: 2016-08-17
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, cross-layer ICIC may be required when the user equipment 300 operates within the region of UL boundaries and DL boundaries (ie link imbalance region 310 depicted in FIG. 3 ).

Method used

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  • Method and apparatus for reporting channel state information in a telecommunication system
  • Method and apparatus for reporting channel state information in a telecommunication system
  • Method and apparatus for reporting channel state information in a telecommunication system

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Embodiment Construction

[0042] In the following description, for purposes of illustration and not limitation, specific details are set forth, such as specific architectures, interfaces, techniques, etc., in order to provide a thorough understanding of the present invention. It will be apparent, however, to those skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0043] Figure 4 depicts a cellular communication network 400 in which embodiments herein may be implemented. The cellular communication network 400 is a cellular communication network such as an LTE, WCDMA, GSM network, any other 3GPP cellular network or any cellular network or system. The cellular communication network 400 may be a heterogeneous network comprising cells served by res...

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Abstract

A method and apparatus (800) for reporting channel state information CSI in a user equipment (420) and a method and apparatus (1000) for obtaining CSI in a base station (410) are provided. A user equipment (420) is connected to a base station (410) in a cellular communication network (400). After receiving (702) from the base station a grant in subframe n to be used for CSI reporting, the user equipment determines (703) a subframe type for subframe n+p. The user equipment then reports (704) to the base station CSI reflecting the channel conditions in the subframe type of subframe n+p. p is a variable value.

Description

technical field [0001] The embodiments herein relate to methods and devices in user equipment and methods and devices in base stations. Specifically, it involves reporting channel state information. Background technique [0002] A communication device, such as a mobile station, is also known as eg a mobile terminal, a wireless terminal and / or a user equipment (UE). Enables mobile stations to communicate wirelessly within a cellular communications network or wireless communications system (sometimes also called a cellular radio system). For example, between two mobile stations, between a mobile station and a conventional telephone and / or between a mobile station and a server via a radio access network (RAN) included in a cellular communication network and possibly one or more The core network performs communication. [0003] A mobile station may also be called a user equipment, a terminal, a mobile phone, a cellular phone, or a wireless capable laptop computer, just to men...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCH04B7/0626H04L1/0026H04L5/0057H04L5/0032H04W16/32H04W72/00H04W24/10H04B7/04H04L5/00H04L5/0053
Inventor L.林德博姆G.约恩格伦S.帕克瓦尔
Owner TELEFON AB LM ERICSSON (PUBL)
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