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Method of random access response reception

A random access response and random access technology, applied in network traffic/resource management, synchronization devices, transmission systems, etc., can solve problems such as data transmission failures

Active Publication Date: 2013-10-23
ACER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the timing advance command and / or the uplink grant only match the UE1 or the UE2, it may cause the data transmission of one of the UE1 and the UE2 to fail, or cause only one of the UEs to fail. Can be synchronized with the link on the network side

Method used

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  • Method of random access response reception
  • Method of random access response reception

Examples

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Embodiment Construction

[0027] Please refer to figure 1 , figure 1 It is a schematic diagram of a wireless communication system 10 according to an embodiment of the present invention. The wireless communication system 10 is a Universal Mobile Telecommunications System (UMTS), a Long-Term Evolution (LTE) system, an Advanced Long-Term Evolution (LTEadvance, LTE-A) system, or other mobile communication systems. Briefly, it consists of a network terminal and multiple communication devices (clients). exist figure 1 Among them, the network end and the user equipment (user equipment) are used to illustrate the architecture of the wireless communication system 10 . In the LTE system and the LTE-Advanced system, the network end may be an evolved universal terrestrial radio access network (evolved universal terrestrial radio access network, E-UTRAN), which may include a plurality of evolved base stations (evolved NBs, eNBs). Clients can be devices such as mobile phones and computer systems. In the univer...

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Abstract

A method of random access response reception for a network in a wireless communication system is disclosed. The method comprises assigning a first preamble for a non contention random access procedure to a first mobile device of the wireless communication system, and configuring a first set of subframes of a random access response window to the first mobile device to receive a first random access response corresponding to the first preamble according to the first set of subframes of the random access response window, wherein the random access response window includes subframes for reception of a random access response.

Description

technical field [0001] The present invention relates to a method for a wireless communication system, in particular to a method for receiving a random access response in a wireless communication system. Background technique [0002] In order to further develop high-speed wireless communication systems, such as increasing the peak transmission rate of transmitted data, [0003] The 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) has developed a long-term evolution-advanced (LTE-Advanced) system based on the LTE system. The main goals of the LTE-Advanced system include fast power state switching, cell margin performance improvement, bandwidth expansion, Coordinated Multipoint Transmission / Reception (COMP), and Multi-Input Multi-Output (Multi-Input Multi-Output) , MIMO) and other technologies. [0004] In order to achieve the goal of bandwidth expansion, 3GPP proposes a concept of carrier aggregation (carrier aggregation) in the LTE-Advanced syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08
CPCH04W28/044H04W56/0005H04W74/04H04W56/0045H04W28/06H04L1/00H04W74/0833H04W74/085Y02D30/70
Inventor 叶向荣
Owner ACER INC