Method for fast acknowledgement and identification of a service access request message or a preamble thereof

A technology for service access and request messages, applied in communication between multiple stations, using return channels for error prevention/detection, digital transmission systems, etc., can solve problems such as limited processing time, reduce impact, Effect of Avoiding Uplink Interference

Inactive Publication Date: 2013-03-20
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0027] Furthermore, the short time between receiving the preamble and anticipating the acquisition indicator means that there is very limited time to process before determining whether the preamble was sent at a sufficient power level

Method used

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  • Method for fast acknowledgement and identification of a service access request message or a preamble thereof
  • Method for fast acknowledgement and identification of a service access request message or a preamble thereof
  • Method for fast acknowledgement and identification of a service access request message or a preamble thereof

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Embodiment Construction

[0041] The present invention is defined as a practical method and apparatus described in the following respective embodiments.

[0042] figure 2 A base station 100 and a first user equipment 110 included in a radio access network in a wireless communication network are shown. A radio access network is any network using an access protocol, i.e. a radio access network using technologies such as E-UTRA, Worldwide Interoperability for Microwave Access (WiMAX), UTRAN, WCDMA, GSM / GPRS, frequency division Duplex (FDD), Orthogonal Frequency Division Multiplexing (OFDM), 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE), etc. The base station 100 may be any suitable wireless base station, such as an eNode-B or Node-B, capable of communicating with user equipment using wireless communication. The first user equipment 110 is located within the cell 115 served by the base station 100 . The base station 100 communicates with at least one second user equipment through a...

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Abstract

A method is provided in a base station for handling a request from a first user equipment for accessing a service in a radio communications network. The method comprises the steps of receiving a first time interval of an incoming signal comprises a first signal sent from the first user equipment and a second signal sent from the second user equipment, interpreting the first signal as being a possible service access request message preamble, and sending an acknowledgement, that the preamble is detected, to the first user equipment. The method comprises the further steps of delaying the first time interval of the incoming signal, identifying the second signal in the first time interval of the incoming signal during the delay, washing the identified second signal away from the first time interval of the incoming signal during the delay, and deciding whether the possible preamble is a real preamble or not, by analyzing the washed incoming signal.

Description

technical field [0001] The present invention generally relates to methods and arrangements in a base station of a radio access network. In particular, the invention relates to the processing of requests from user equipment to access services in a wireless communication network. Background technique [0002] In a common wireless network architecture, a user equipment may be a mobile terminal that a user can use to access services provided by an operator's core network. The radio access network is the part of the network responsible for radio transmission and radio connection control. The radio network subsystem controls multiple base stations in the radio access network. The radio network controller controls the radio resources and radio connectivity in the cells. A base station handles radio transmission and reception in one or more cells. A cell covers a geographic area. Radio coverage in a cell is provided by radio base station equipment located at the base station si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/10H04L1/16H04B7/26H04L1/1607
CPCH04W74/0833H04W74/0866H04L1/1607H04W74/008
Inventor 布·哈格尔曼弗雷德里克·冈纳尔松利夫·托马斯·奥斯特曼
Owner TELEFON AB LM ERICSSON (PUBL)
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