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Reducing complexity of physical downlink control channel resource element group mapping on long term evolution downlink

A technology of resource element group and control channel, applied in the field of wireless communication, can solve problems such as increasing power consumption

Inactive Publication Date: 2012-12-26
LSI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Powerful processors also increase power consumption

Method used

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  • Reducing complexity of physical downlink control channel resource element group mapping on long term evolution downlink
  • Reducing complexity of physical downlink control channel resource element group mapping on long term evolution downlink
  • Reducing complexity of physical downlink control channel resource element group mapping on long term evolution downlink

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Embodiment Construction

[0020] refer to image 3 , is a schematic diagram of system 100 illustrating a communication system implemented in accordance with an exemplary embodiment of the present invention. System 100 may be implemented as a wireless communication system. In one example, system 100 may be implemented as a third generation cellular communication system compatible with the 3GPP Long Term Evolution (LTE) standard. System 100 generally includes at least one base station 102 and a plurality of mobile units 104 . The base station 102 can transmit signals to the mobile unit 104 via a downlink channel 106 . Each mobile unit 104 can transmit a signal to the base station 102 via an uplink channel 108 . System 100 may also be implemented with multiple base stations 102 . Base station 102 may include a processing unit 110 . Each mobile unit 104 may include a processing unit 120 . Processing units 110 and 120 may be configured to manage communications between base station 102 and mobile unit ...

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Abstract

An apparatus including a control bit generating module and a control channel mapping module. The control bit generating module may be configured to generate control bits to be carried by at least one control channel. The control channel mapping module may be configured to map at least one control channel to resource element groups. A resource element pointer of the control channel mapping module is generally incremented by a multiple of two on each mapping iteration.

Description

technical field [0001] The present invention relates generally to wireless communications, and more particularly to reducing the complexity of Physical Downlink Control Channel (PDCCH) Resource Element Group (REG) mapping on the Long Term Evolution (LTE) downlink (DL) methods and / or devices. Background technique [0002] In cellular systems implementing third-generation mobile network technology compatible with the 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) standard (3GPPTS36.211V9.1.0 (2010-03)), when compared with the previous standard , high bit rates and delays are very limited. High bit rates and latency constraints pose many challenges to developers of LTE-compatible systems. To meet latency requirements, processing needs to be fast. For fast processing, a powerful processor is required, which increases the project budget. Powerful processors also increase power consumption. For 20MHz bandwidth, the LTE downlink (DL) has a maximum bit rate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L5/00
CPCH04L5/003H04L5/0053H04W72/0453
Inventor 伊多·加齐特
Owner LSI CORP
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