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(11)    Patent No :    AP 2144   
(21)    Application No :    AP/P/2006/003702   
(22)    Filing Date :    30.01.2004   
(24)    Date of Grant &    25.08.2010   
           
(45)    Publication :

(30)    Priority Data

(33) Country  (31) Number   (32) Date

(84)    Designated State

KE   T Z
 
(73) Applicant(s)

CORE WIRELESS LICENSING S.Á.R.L, 16, Avenue Pasteur,

L-2310,
Luxembourg

72) Inventors

JOKINEN Harri, Finland

SÈBIRE Benoist, China

(74) Representative

GALLOWAY & COMPANY

ZIMBABWE

(51)  International  Classification   G10L 19/00 (2006.01)    H04Q 7/30 (2006.01)

(54)    Title

Method and arrangement for implementing minimum activity during discontinuous transmission

(57)    Abstract

A method and a device are considered for implementing minimum activity during discontinuous transmission in a telecommunication connection used to carry a service. The service is allowed to involve transmitting upper-level scheduled silence-breaking transmissions at predetermined regular intervals during otherwise silent periods. There is determined (407, 408, 409) a maximum length of a silent period that is longer than the predetermined regular intervals between upper-level scheduled silence-breaking transmissions. A Layer 2 entity of a protocol stack observes (411) the occurrence of silent periods and transmits (412) a dummy block over the telecommunication connection if the length of an observed silent period reaches said maximum length without an upper-level scheduled

silence -breaking transmission having been transmitted.

(56)  Documents Cited :    US-6038238 A

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