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Method for a radio base station in a communication network system for assisting or obtaining assistance in ul reception of signals and a radio base station

A radio base station, signal information technology, applied in transmission systems, wireless communications, baseband systems, etc., can solve difficult communication problems, achieve low cost, and improve signal detection.

Active Publication Date: 2016-11-09
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, communication with UEs on cell borders is also tricky when the radio base station has no close neighbors

Method used

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  • Method for a radio base station in a communication network system for assisting or obtaining assistance in ul reception of signals and a radio base station
  • Method for a radio base station in a communication network system for assisting or obtaining assistance in ul reception of signals and a radio base station
  • Method for a radio base station in a communication network system for assisting or obtaining assistance in ul reception of signals and a radio base station

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Embodiment Construction

[0037] FIG. 1 shows a view of a simplified communication system with two cells A, B each served by a radio base station 10 , 20 . The radio base stations are connected to each other via a network. X2 is the name of a protocol used for communication between eNodeBs in the LTE system. An LTE network includes multiple eNodeBs each serving one or more cells. Although many other radio base stations are included and they also have connections to the core network, the simplified LTE radio access network has such Figure 1a structure shown. Figure 1 does not disclose the connection to the core network as it is not essential to the invention. Any radio communication using this or a similar structure can employ the solution described below. Although the disclosed embodiments are illustrated in an LTE system, it should be understood that the solutions are not limited to implementation in that system, as other systems with similar architectures, such as Wimax, may also advantageously u...

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Abstract

In cellular radio systems it is a problem to provide service to UE (user equipment) on the cell border. In systems that apply a frequency re-use of one, and OFDM access technology, the uplink direction need be improved. One embodiment of this application relates to a radio base station that is equipped with one or more FFT processor / s in addition to the FFT-processor that is adapted for being adjusted to the timed aligned arrival of signals from UE served by the radio base station. The additional FFT processor / s is adapted for being adjusted to the arrival of one or more signals from UE that are served by other radio base station / s. The radio base station is further adapted to send Fourier processed signal information relating to the UE of the other radio base station / s and thereby assist the other radio base station in signal reception. The application also relates to a method for assisting another radio base station in signal reception, and to a method for receiving assistance from another radio base station in signal reception.

Description

technical field [0001] The invention relates to radio communication in a cellular network, a method for a radio base station assisting a neighboring radio base station in signal reception, a method for a radio base station obtaining assistance in signal reception from a neighboring radio base station, and methods suitable for performing both methods any kind of radio base station. Background technique [0002] eUTRAN, also known as LTE, is a radio communication network standardized by 3GPP. LTE radio base stations provide communication services to mobile terminals over common frequency carriers. The use of frequency carriers is shared among active mobile terminals in a cell supported by a radio base station. In LTE, the radio base stations are called eNodeBs and the mobile terminals are called user equipment UE. [0003] One principle for LTE is that radio communication with UEs is performed through one radio base station, as opposed to systems employing soft handover. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W56/00H04B7/02
CPCH04L27/2689H04B7/022H04L5/0035H04L25/0204H04L27/2636H04L27/2665H04L27/2688H04L2025/03414H04W56/0005
Inventor J.厄斯特林F.海泽H.奥尔松F.胡斯P.阿道尔夫松
Owner TELEFON AB LM ERICSSON (PUBL)
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