Outer loop power control for wireless communication systems

A wireless transmission and link technology, applied to the power control of the wireless communication system. field, which can solve problems such as long expected delays

Inactive Publication Date: 2011-08-31
INTERDIGITAL TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the expected latency to ensure Quality of Service (QoS) will be longer when data is downloaded compared to the expected latency for voice transmission

Method used

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  • Outer loop power control for wireless communication systems
  • Outer loop power control for wireless communication systems
  • Outer loop power control for wireless communication systems

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Embodiment Construction

[0033] The present invention is described in detail with accompanying drawings, wherein similar symbols in the drawings represent similar components. The terms base station (BS), wireless transmit and receive unit (WTRU), and mobile unit have broad meanings. In the description of the present invention, the term "base station" includes, but is not limited to, a base station, Node B, location controller, access point, or other interface device capable of operating in a wireless environment, whereby a wireless transmit and receive unit (WTRU ) can wirelessly access the associated network of this base station.

[0034] Additionally, in the description of the present invention, the term "wireless transmit and receive unit (WTRU)" is intended to include, but is not limited to, user equipment (UE), mobile station, fixed or mobile subscriber unit, pager, or Any other type of device for the environment. A wireless transmit and receive unit (WTRU) is a personal communication device su...

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Abstract

A method, system, and components for outer loop power control particularly useful for non-real time / real time data services uses data transmitted in many short bursts of short duration, called Temp-DCH allocations. A target metric, preferably, target SIR, is adjusted with differing step up and step down increments to converge on a relatively low steady state level of step up and step down target metric adjustments. The initial target SIR and the transient step size for target SIR adjustment is determined in a dynamic way in the outer loop power control for each Temp-DCH allocation of non-real time data.

Description

[0001] This application is a divisional application with an application date of May 25, 2005 and an application number of 200380104046.8. technical field [0002] The present invention relates to wireless communication systems. In particular, the present invention relates to power control for such wireless communication systems. Background technique [0003] Wireless telecommunications systems are known in the field of the invention. In order to provide global connectivity of wireless systems, wireless telecommunication systems are developing or implementing various industry standards. In broadband applications, one current industry standard is known as the Global System for Mobile Telecommunications (GSM). This industry standard is the so-called second-generation mobile wireless system standard (2G), and its revised industry standard is the so-called second-fifth generation mobile wireless system standard (2.5G). In the second and fifth generation mobile wireless system ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/12H04W52/14H04W52/24H04W52/36H04B7/26H04B7/00H04B7/005H04J13/00H04W52/10
CPCH04W52/12H04W52/10H04W52/362H04W52/50H04W52/241H04W52/36H04W52/143H04B2201/70724
Inventor 章修·谷苏希尔·A·格兰帝史蒂芬·E·泰利
Owner INTERDIGITAL TECH CORP
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