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Wireless communications devices configured for multiple radio access technologies and related methods and systems

A wireless access technology and wireless communication device technology, applied in wireless communication, radio transmission system, transmission system, etc., can solve problems such as high insertion loss

Inactive Publication Date: 2014-10-22
SONY ERICSSON MOBILE COMM AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since WCDMA is a full-duplex system (capable of transmitting / receiving data in two directions simultaneously), a duplex filter is used in WCDMA, and a duplex filter has a higher insertion loss than a single receive filter

Method used

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  • Wireless communications devices configured for multiple radio access technologies and related methods and systems
  • Wireless communications devices configured for multiple radio access technologies and related methods and systems
  • Wireless communications devices configured for multiple radio access technologies and related methods and systems

Examples

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Embodiment Construction

[0022] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the inventive concepts. However, it will be understood by those skilled in the art that the inventive concepts may be practiced without these specific details. In other instances, well-known methods, procedures, components, and circuits have not been described in detail so as not to obscure the concepts of the present invention.

[0023] As mentioned above, there is a need for improved co-band (reuse of filters) methods. Accordingly, some embodiments of the inventive concept provide wireless communication devices configured to co-band GSM / EDGE with UMTS / LTE on a secondary receive path (diversity / multiple-input multiple-output (MIMO) path). Since dual receive paths are generally required (for RX diversity and MIMO), embodiments of the inventive concept use a secondary receive path for the GSM / EDGE receive mode. Since GSM / EDGE is a time division...

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PUM

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Abstract

Wireless communications devices are provided including a housing; a first antenna positioned in the housing, the first antenna being associated with a first receiver; and a second antenna positioned in the housing, the second antenna being associated with a second receiver, the second receiver being different from the first receiver. One of the first receiver and the second receiver is configured to support at least two radio access technologies by co- banding frequencies associated with the at least two radio access technologies. Related systems and antenna systems are also provided.

Description

technical field [0001] The present invention relates generally to wireless communication devices, and more particularly, to wireless communication devices supporting multiple radio access technologies and related methods and systems. Background technique [0002] Various digital mobile phone standards are being deployed worldwide. These standards include, for example, Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications Service (UMTS) in Europe and Code Division Multiple Access (CDMA) in the United States. Due to the growing demand for mobile telephony services, many of these standards are being deployed together. Additionally, further deployments of the new standard are currently underway or will be in the foreseeable future. For example, the Long Term Evolution (LTE) standard and the IEEE 802.16 (WiMax) standard are currently being deployed. [0003] Both second and third generation standards currently co-exist and will co-exist in the f...

Claims

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Application Information

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IPC IPC(8): H04B1/40
CPCH04B7/0825H04B1/006H04W88/06
Inventor O·赞德
Owner SONY ERICSSON MOBILE COMM AB
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