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Connection release method and apparatus for client cooperation in wireless communication system

a wireless communication system and client technology, applied in the field of wireless communication, can solve problems such as abnormal characteristics of wireless channels

Inactive Publication Date: 2014-04-03
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a method and apparatus for releasing a connection for client cooperation in a wireless communication system. The invention allows for efficient release of a connection between a source device and a cooperative device through a first system, while also ensuring effective communication between the source device and the cooperative device through a second system. The invention also includes a method for determining the optimal time to release the connection, as well as a search for suitable cooperative devices. The technical effects of the invention include improved efficiency and reliability in wireless communication systems.

Problems solved by technology

However, a wireless channel has an abnormal characteristic such as a fading phenomenon caused by a path loss, noise, and multipath, an inter-symbol interference (ISI), a Doppler effect caused by mobility of a user equipment, etc.

Method used

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  • Connection release method and apparatus for client cooperation in wireless communication system
  • Connection release method and apparatus for client cooperation in wireless communication system
  • Connection release method and apparatus for client cooperation in wireless communication system

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Embodiment Construction

[0051]A technology below can be used in a variety of wireless communication systems, such as code division multiple access (CDMA), frequency division multiple access (FDMA), time division multiple access (TDMA). orthogonal frequency division multiple access (OFDMA), and single carrier frequency division multiple access (SC-FDMA). CDMA can be implemented using radio technology, such as universal terrestrial radio access (UTRA) or CDMA2000. TDMA can be implemented using radio technology, such as global system for mobile communications (GSM) / general packet radio service (GPRS) / enhanced data rates for GSM evolution (EDGE). OFDMA can be implemented using radio technology, such as IEEE 802.11(Wi-H), IEEE 802.16(WiMAX), IEEE 802-20, or Evolved UTRA (E-UTRA). IEEE 802.16m is the evolution of IEEE 802.16e, and it provides a backward compatibility with an IEEE 802.16e-based system. UTRA is part of a universal mobile telecommunications system (UMTS). 3rd generation partnership project (3GPP) l...

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Abstract

Provided are a connection release method and apparatus for client cooperation in a wireless communication system. A source device and a base station exchange a release request message and a release response message at the stage of a connection release request. The source device releases connection with a cooperative device and then transmits a release report message, which includes the results of the connection release with the cooperative device, to the base station. The base station and the cooperative device are connected through a first system, and the source device and the cooperative device are connected through a second system.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to wireless communications, and more particularly, a method and apparatus for releasing a connection for client cooperation in a wireless communication system.[0003]2. Related Art[0004]In next generation multimedia mobile communication systems, which have been actively studied in recent years, there is a demand for a system capable of processing and transmitting a variety of information (e.g., video and radio data) in addition to the early-stage voice service. Further, a 3rd generation wireless communication system is followed by a 4th generation wireless communication which is currently being developed aiming at supporting a high-speed data service of 1 gigabits per second (Gbps) in downlink and 500 megabits per second (Mbps) in uplink. The wireless communication system is designed for the purpose of providing reliable communication to a plurality of users irrespective of their locations a...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04W76/06H04W52/02
CPCH04W76/06H04W52/0203H04W76/068H04W72/04H04W84/12H04W88/04H04W88/06H04W76/38Y02D30/70H04W48/16H04W8/005H04W40/22
Inventor CHO, HEE JEONGLEE, EUN JONGYUK, YOUNG SOO
Owner LG ELECTRONICS INC
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