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Method of communication using frame

A technology for base station communication and mobile communication terminal, which is applied in the field of communication using frames and can solve problems such as overlapping and mutual interference.

Inactive Publication Date: 2011-01-12
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Second, the new system must operate in the same radio frequency (RF) subcarriers and in the same bandwidth as the legacy system
[0006] Specifically, in the case where time division duplex (TDD) type frame structures with different cyclic prefix (CP) lengths coexist in adjacent cells, the boundaries between downlink and uplink zones may overlap, which can lead to mutual interference

Method used

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Experimental program
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Embodiment Construction

[0050] figure 1 A wireless communication system is shown. The wireless communication system can be widely deployed to provide various communication services such as voice, packet data, and so on.

[0051] refer to figure 1 , the wireless communication system includes a base station (BS) 20 and at least one user equipment (UE) 10 . The UE 10 is fixed or mobile and other terms such as mobile station (MS), user terminal (UT), subscriber station (SS), wireless device, etc. may be used to refer to the UE 10 . The BS 20 is usually a fixed station that communicates with the UE 10, and other terms such as Node B, Base Transceiver System (BTS: Base Transciever system), access point, etc. may be used to represent the BS 20 . Within the coverage area of ​​the BS 20 there are one or more cells.

[0052] Hereinafter, downlink means a communication link from BS 20 to UE 10 , and uplink means a communication link from UE 10 to BS 20 . In the downlink, the transmitter may be part of the ...

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Abstract

A device and method for communicating by a mobile communication terminal in communication with a base station. The method according to an embodiment includes exchanging a frame of data with the base station. The frame of data includes a) a plurality of first subframes each having a first number of orthogonal frequency division multiple access (OFDMA) symbols, and b) a plurality of second subframes each having a second number of orthogonal frequency division multiple access (OFDMA) symbols different from the first number. One of the second subframes includes an idle symbol.

Description

technical field [0001] The present invention relates to wireless communication, and more particularly, to a method for communicating using frames in a wireless communication system. Background technique [0002] The Institute of Electrical and Electronics Engineers (IEEE) 802.16 standard, incorporated herein by reference, provides technologies and protocols to support broadband wireless access. Standardization has been ongoing from 1999 until the ratification of IEEE 802.16-2001 (incorporated herein by reference) in 2001. IEEE 802.16-2001 is based on a single carrier (SC: single carrier) physical layer called "WirelessMAN-SC". The IEEE 802.16a standard (incorporated herein by reference) was ratified in 2003. In the IEEE 802.16a standard, in addition to "WirelessMAN-SC", "WirelessMAN-OFDM" and "WirelessMAN-OFDMA" are further added to the physical layer. After the completion of the IEEE 802.16a standard, the revised IEEE 802.16-2004 standard (incorporated herein by referenc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04L27/26
CPCH04B7/2615H04J11/0023H04L27/2607H04W88/02
Inventor 文诚颢卢珉锡权荣炫郭真三金东哲韩承希李玹佑
Owner LG ELECTRONICS INC