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Method and apparatus for FDD/TDD intra-node and inter-node carrier aggregation

A technology for user equipment and equipment, which is applied in the communication between multiple stations, the multiple use of transmission paths, the separation device of transmission paths, etc.

Inactive Publication Date: 2016-02-17
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One issue should be the ability to simultaneously receive and transmit at the UE due to hardware performance (half-duplex UE) or due to interference between FDD and TDD carriers

Method used

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  • Method and apparatus for FDD/TDD intra-node and inter-node carrier aggregation
  • Method and apparatus for FDD/TDD intra-node and inter-node carrier aggregation
  • Method and apparatus for FDD/TDD intra-node and inter-node carrier aggregation

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Embodiment Construction

[0039] figure 1 A wireless communication system to which the present invention is applied is shown. The wireless communication system may also be referred to as an Evolved UMTS Terrestrial Radio Access Network (E-UTRAN) or a Long Term Evolution (LTE) / LTE-A system.

[0040] The E-UTRAN includes at least one base station (BS) 20 that provides a control plane and a user plane to a user equipment (UE) 10 . The UE 10 may be fixed or mobile, and may be referred to by another term, such as a mobile station (MS), user terminal (UT), subscriber station (SS), mobile terminal (MT), wireless device, and the like. BS 20 is typically a fixed station that communicates with UE 10 and may be referred to by another term such as evolved Node B (eNB), base transceiver system (BTS), access point, cell, Node B, or node, among others.

[0041] A multiple access scheme applied to a wireless communication system is not limited. That is, it is possible to use such as CDMA (Code Division Multiple Acc...

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Abstract

Methods and apparatuses for TDD / FDD aggregation are described. The Method thereto comprises receiving information on uplink scheduling, wherein the uplink scheduling is a scheduling on uplink transmission configured with a carrier aggregation of a primary cell (PCell) with TDD and a secondary cell (SCell) of FDD or a carrier aggregation of a PCell with FDD and a SCell with TDD and transmitting uplink signal based on the uplink scheduling.

Description

technical field [0001] The present invention relates to wireless communication, and more particularly, to a method for transmitting and receiving radio signals by Frequency Division Duplex (FDD) / Time Division Duplex (TDD) aggregation for inter-node and intra-node resource aggregation scenarios and equipment. Background technique [0002] 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) is an improved version of Universal Mobile Telecommunications System (UMTS) and 3GPP Release 8. 3GPP LTE uses Orthogonal Frequency Division Multiple Access (OFDMA) in downlink and Single Carrier Frequency Division Multiple Access (SC-FDMA) in uplink. 3GPP LTE employs multiple-input multiple-output with up to four antennas. In recent years, 3GPP LTE-Advanced (LTE-A), which is an evolution of 3GPP LTE, is being discussed. [0003] The commercialization of the 3GPP LTE(A) system has recently been accelerated. The LTE system is expanding more rapidly in response to user dema...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12H04W16/32H04B7/26
CPCH04L5/001H04L5/0062H04W84/045H04W76/15H04L5/0094H04W72/23H04W72/566H04W16/32H04L5/0007
Inventor 李润贞李承旻安俊基徐东延
Owner LG ELECTRONICS INC
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