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Mobile communication system, base station apparatus, mobile station apparatus, and mobile communication method

A technology of a mobile communication system and a communication method, which is applied in the field of mobile communication systems and can solve problems such as low efficiency of specified methods

Active Publication Date: 2012-05-09
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] In this way, in the prior art, there is the following problem; the base station apparatus uses a plurality of PDCCHs to allocate a plurality of PDSCHs, and using a plurality of allocated PDSCHs will The problem of inefficiency in the designation method of resources for configuring control signals in HARQ performed by the base station apparatus when several downlink transport blocks are transmitted to the mobile station apparatus in the same subframe

Method used

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  • Mobile communication system, base station apparatus, mobile station apparatus, and mobile communication method
  • Mobile communication system, base station apparatus, mobile station apparatus, and mobile communication method
  • Mobile communication system, base station apparatus, mobile station apparatus, and mobile communication method

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no. 1 approach

[0106] Next, a first embodiment in a mobile communication system using the base station device 100 and the mobile station device 200 will be described. In the present embodiment, the base station apparatus uses a plurality of PDCCHs arranged in one carrier member of the downlink to assign a carrier member with a plurality of PDCCHs or a carrier member different from a carrier member with a plurality of PDCCHs. The allocated multiple PDSCHs are allocated, and the allocated multiple PDSCHs are used to transmit multiple downlink transport blocks to the mobile station device in the same subframe. The mobile station device bundles control signals in HARQ for multiple PDCCHs and / or multiple downlink transport blocks within one carrier member of the uplink corresponding to one carrier member of the downlink ( Bundling: bundling or block) or multiplexing (using multiple bits) before sending to the base station device. The base station device receives the bundled or multiplexed multipl...

no. 2 approach

[0142] Next, a second embodiment of the present invention will be described. In the second embodiment, the base station apparatus uses a plurality of physical downlink control channels allocated in one or more carrier members of the downlink to allocate to a carrier member in which a plurality of PDCCHs are allocated or a carrier member in which a plurality of PDCCHs are allocated. The PDCCH has a PDSCH configured in carrier members with different carrier members, and a plurality of allocated PDSCHs are used to transmit a plurality of downlink transport blocks to the mobile station apparatus in the same subframe. The mobile station device bundles or multiplexes control signals in HARQ for multiple physical downlink control channels and / or multiple downlink transport blocks to each of the downlink carrier members on which multiple PDCCHs are arranged. After use, it is sent to the base station device. The base station apparatus receives, from the mobile station apparatus, the HA...

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Abstract

This invention provides a mobile communication system and method taking into account a method for designating a source to be used for placing a control signal in HARQ performed by a base station apparatus. In the mobile communication system, the base station apparatus and a mobile station apparatus communicate with each other using a plurality of component carriers. The base station apparatus establishes a single downlink component carrier for the mobile station apparatus and uses a plurality of physical downlink control channels, which are placed on the established downlink component carrier, to allocate a plurality of physical downlink shared channels to the mobile station apparatus in the same subframe. The mobile station apparatus then has a plurality of physical uplink control channels, which correspond to the respective ones of the plurality of physical downlink control channels placed on the established downlink component carrier, designated by the base station apparatus in a single uplink component carrier corresponding to the established downlink component carrier.

Description

Technical field [0001] The present invention relates to a mobile communication system and a mobile communication method composed of a base station device and a mobile station device. Background technique [0002] 3GPP (3rd Generation Partnership Project) is a project to research and establish standards for mobile communication systems based on the development of W-CDMA (Wideband-Code Division Multiple Access) and GSM (Global System for Mobile Communications) networks. In 3GPP, the W-CDMA method is standardized as the 3rd generation cellular mobile communication method, and services are started sequentially. In addition, HSDPA (High-speed Downlink Packet Access), which makes the communication speed faster, has also been standardized, and services have started. In 3GPP, the evolution of 3rd generation radio access technology (hereinafter referred to as "LTE (Long Term Evolution)" or "EUTRA (Evolved Universal Terrestrial Radio Access)") and wider frequency bands are used to carry o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04J11/00H04W72/14
CPCH04L5/001H04W72/0406H04W72/02H04W72/1257H04L5/0053H04L5/0037H04L1/1664H04W72/20H04W72/535H04W72/23H04W72/21
Inventor 相羽立志山田升平铃木翔一
Owner SHARP KK
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