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Extending EARFCN value range in GERAN

A technology of value range and message, applied in the field of expanding the value range of E-UTRA absolute radio frequency channel number

Inactive Publication Date: 2016-08-03
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] One challenge is how to signal EARFCN values ​​within the range of extended EARFCN values ​​in GERAN to inter-RAT capable UEs in order to support continuous inter-RAT mobility between GERAN and E-UTRAN networks

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  • Extending EARFCN value range in GERAN
  • Extending EARFCN value range in GERAN
  • Extending EARFCN value range in GERAN

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Embodiment Construction

[0030] It should be understood at the outset that while an illustrative implementation of one or more embodiments of the present disclosure is provided below, the disclosed systems and / or methods may be implemented using any number of techniques, whether currently known or in existence. The present disclosure should in no way be limited to the illustrative implementations, drawings, and techniques shown below, including the exemplary designs and implementations shown and described herein, but instead be limited by the scope of the appended claims and their equivalents Modified within the full range of .

[0031] In general, passed to allow support for the extended range of EARFCN values ​​in GERAN ( which is , 18-bit EARFCN) UE with multi-RAT capability obtains E-UTRAN neighbor cell information from the system information type 23 message (SI23) by extending the legacy 16-bit EARFCN by 2 bits ( which is , providing four times the space of the legacy EARFCN), which enables to...

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Abstract

The invention relates to extending EARFCN value range in GERAN. An E-UTRAN neighbor cell (12, 14, 16) list is broadcast in a GERAN network (10) using the extended EARFCN value ranges (i.e., 18 bits). Extending the EARFCN value ranges in GERAN (10) and signaling EARFCN values within the extended EARFCN value range to inter-RAT-capable UEs (20) that camp in GERAN (10) allows GERAN (10) to support continued inter- RAT mobility between GERAN (10) and E-UTRAN (18) networks. E-UTRAN neighbor cell (12, 14, 16) information may be communicated to UEs (20) in the GERAN network (10) by System Information message broadcasts using the extended EARFCN value ranges.

Description

[0001] priority statement [0002] This application claims the benefit of priority from U.S. Patent Application No. 14 / 466,556, filed August 22, 2014, which claims U.S. Provisional Application No. 61 / 869,414 priority rights. The entire content of each of these applications is hereby incorporated by reference for all purposes. technical field [0003] The present application relates generally to interoperability of wireless communication networks and, in particular, to Extended E-UTRA Absolute Radio Frequency Channel Number (EARFCN) value ranges in GSM EDGE Radio Access Network (GERAN) networks. Background technique [0004] Evolved UMTS (Universal Mobile Telecommunications System) Radio Access Network (E-UTRAN) is an air interface to the 3GPP Long Term Evolution (LTE) extension of the wireless communication protocol. E-UTRAN is expected to continuously increase the number of frequency bands used for wireless communication. Furthermore, some degree of overlap with other (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/14H04W88/06
CPCH04W36/0061H04W88/06H04W36/1443H04W8/08H04W48/10
Inventor C-G.佩尔松N.约翰松P.施利瓦-伯特林J.W.迪亚基纳
Owner TELEFON AB LM ERICSSON (PUBL)
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