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Method for multiplexing data for multiple wireless transmit/receive units for high speed downlink channels

A technology for wireless transmit/receive units applied in the data field for multiplexing multiple wireless transmit/receive units for high-speed downlink channels

Inactive Publication Date: 2013-07-17
INTERDIGITAL PATENT HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In many cases there is not enough data for a single user to completely fill the 2ms TTI

Method used

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  • Method for multiplexing data for multiple wireless transmit/receive units for high speed downlink channels
  • Method for multiplexing data for multiple wireless transmit/receive units for high speed downlink channels
  • Method for multiplexing data for multiple wireless transmit/receive units for high speed downlink channels

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Embodiment Construction

[0027] Embodiments will be described herein with reference to the drawings, wherein like numerals refer to like elements throughout.

[0028] Figure 1A An exemplary communication system 100 is shown in which one or more disclosed embodiments may be implemented. Communication system 100 may be a multiple access system that provides voice, data, video, messaging, broadcast, etc. content to multiple wireless users. The communication system 100 enables multiple wireless users to access such content by sharing system resources, including wireless bandwidth. For example, communication system 100 may use one or more channel access methods such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal FDMA (OFDMA), Single Carrier FDMA (SC-FDMA) and more.

[0029] Such as Figure 1A As shown, communication system 100 may include wireless transmit / receive units (WTRUs) 102a, 102b, 102c, 102d, radio access netw...

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Abstract

Method and apparatus for multiplexing data for multiple wireless transmit / receive units (WTRUs) for high speed downlink channels are disclosed. A WTRU may receive a joint high speed shared control channel (HS-SCCH) including a common part and WTRU-specific parts. The common part includes common control information for WTRUs multiplexed in one transmission time interval (TTI), and each of the WTRU-specific parts includes WTRU-specific control information for a corresponding WTRU. The WTRU receives a high speed physical downlink shared channel (HS-PDSCH) based on decoding on the joint HS-SCCH. The HS-SCCH may include a group WTRU identity shared by a group of WTRUs.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application No. 61 / 329,669, filed April 30, 2010, and U.S. Provisional Application No. 61 / 329,996, filed April 30, 2010, the contents of each of which are incorporated by reference here. Background technique [0003] Communication systems have been developed that use multiple antennas at both the transmitter and receiver. Systems that use multiple transmit and receive antennas may be referred to as multiple-input multiple-output (MIMO) systems. Multiple antenna configurations can be used to mitigate the negative effects of multipath and signal interference on signal reception. By introducing downlink MIMO, a wireless transmit / receive unit (WTRU) can receive multiple data streams simultaneously on the same frequency. [0004] In High Speed ​​Downlink Packet Access (HSDPA), downlink transmissions are scheduled by the Node B in units of 2ms Transmission Time ...

Claims

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Application Information

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IPC IPC(8): H04W72/12
CPCH04W72/121H04W72/042H04W72/1289H04W72/23H04L1/004H04W88/02H04W72/1273H04B7/0413
Inventor D·帕尼B·佩尔蒂埃S·戈梅斯C·R·凯夫H·张郗风君J·S·利维
Owner INTERDIGITAL PATENT HLDG INC
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