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公开(公告)号:DE69734998D1
公开(公告)日:2006-02-02
申请号:DE69734998
申请日:1997-10-28
Applicant: ERICSSON TELEFON AB L M
Inventor: JUNG STEFAN , GALYAS PETER
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公开(公告)号:SE519221C2
公开(公告)日:2003-02-04
申请号:SE9904632
申请日:1999-12-17
Applicant: ERICSSON TELEFON AB L M
Inventor: GALYAS PETER , WESTBERG LARS
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公开(公告)号:AU3065501A
公开(公告)日:2001-08-14
申请号:AU3065501
申请日:2001-01-19
Applicant: ERICSSON TELEFON AB L M
Inventor: RINNBACK LENNART , GALYAS PETER , LINDEN LARS , MUSIKKA NIILO
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14.
公开(公告)号:AU2241901A
公开(公告)日:2001-06-25
申请号:AU2241901
申请日:2000-12-06
Applicant: ERICSSON TELEFON AB L M
Inventor: GALYAS PETER , WESTBERG LARS
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公开(公告)号:CZ9901722A3
公开(公告)日:2000-01-12
申请号:CZ172299
申请日:1997-10-28
Applicant: ERICSSON TELEFON AB L M
Inventor: JUNG STEFAN , GALYAS PETER
CPC classification number: H04W88/181
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公开(公告)号:CA2267270A1
公开(公告)日:1998-04-09
申请号:CA2267270
申请日:1997-09-26
Applicant: ERICSSON TELEFON AB L M
Inventor: LINDROTH LARS MAGNUS , GALYAS PETER , LINDEN LARS KALLE , BODIN STIG ROLAND
Abstract: The present invention relates to the technique of handover in mobile telephony. A new Transcoder and Rate Adaptation Unit (100, fig. 3) is introduced which provides two uplink (230, 250 respectively, fig. 3) and two downlink (240, 260 respectively, fig. 3) channels. The use of these two channels (230, 250 respectively, fig.3) on the uplink during handover provides for the use of distributed handover on the uplink. The result minimizes the audible interruption during handover by minimizing the loss of Traffic Channel frames to what is possible within the GSM standard. Additionally, interruption of the speech or background noise during these lost frames is masked by an error concealment algorithm, since the Transcoder and Rate Adaptation Unit (100, fig. 3) still has information from the Base Transceiver Station responsible for transmission before the handover.
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17.
公开(公告)号:CA2270930C
公开(公告)日:2006-11-28
申请号:CA2270930
申请日:1997-10-28
Applicant: ERICSSON TELEFON AB L M
Inventor: GALYAS PETER , JUNG STEFAN
Abstract: A synchronization frame is first formated and transmitted in accordance with the Global System for Mobile (GSM) 08.60 specification. After an initial synchronization procedure is accomplished between a transcoder/rate adaptor (TRAU) (40) and a particular base transceiver station (BTS) (50) serving a mobile station (60), a modified GSM 08.60 frame is thereafter used to transport greater user data payload across the established communications link. The modified frame replaces the synchronization bits included in the GSM 08.60 formatted data frame with user data to increase data payload from the conventional 13. 5 Kbit/s to a more desirable 14.4 Kbit/s without altering the standardized 16 Kbit/s transmission rate supported by the IWF and the BTS (50).
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公开(公告)号:DE60030746D1
公开(公告)日:2006-10-26
申请号:DE60030746
申请日:2000-10-03
Applicant: ERICSSON TELEFON AB L M
Inventor: BALACHANDRAN KUMAR , GALYAS PETER , YARED MARLENE , ADAMS MARTIN , BERTRAND JEAN-FRANCOIS
IPC: H04W36/12
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公开(公告)号:AU2899901A
公开(公告)日:2001-08-07
申请号:AU2899901
申请日:2001-01-19
Applicant: ERICSSON TELEFON AB L M
Inventor: RINNBACK LENNART , GALYAS PETER , LINDEN LARS , MUSIKKA NIILO
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公开(公告)号:AU719645B2
公开(公告)日:2000-05-11
申请号:AU4478497
申请日:1997-09-26
Applicant: ERICSSON TELEFON AB L M
Inventor: GALYAS PETER , LINDROTH LARS MAGNUS , LINDEN LARS KALLE , BODIN STIG ROLAND
IPC: G10L19/005 , H04W36/18 , H04Q7/38
Abstract: The present invention relates to the technique of handover in mobile telephony. A new Transcoder and Rate Adaptation Unit (100 FIG. 3) is introduced which provides two uplink (230, 250 respectively, FIG. 3) and two downlink (240, 260 respectively, FIG. 3) channels. The use of these two channels (230, 250 respectively, FIG. 3) on the uplink during handover provides for the use of distributed handover on the uplink. The result minimizes the audible interruption during handover by minimizing the loss of Traffic Channel frames to what is possible within the GSM standard. Additionally, interruption of the speech or background noise during these lost frames is masked by an error concealment algorithm, since the Transcoder and Rate Adaptation Unit (100 FIG. 3) still has information from the Base Transceiver Station responsible for transmission before the handover.
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