| Patent application number | Description | Published |
|---|
| 20080268864 | Method and Apparatus in a Telecommunication System - The present invention relates in general to the radio communications field and, in particular, to a method and apparatus for detecting congestion in a spread spectrum Code Division Multiple Access (CDMA) cellular communication system. By measuring the number of Signal-to-Interference Ratio Error reports being received at the Radio Network Controller a potential congestion can be detected in the cell when the number of reports being received is above a threshold. Further can a differentiation be made between a potential or a serious congestion and different actions be performed dependant on if a potential or a serious congestion is detected. | 10-30-2008 |
| 20100240383 | Enhanced UL rate violation detection - The present invention relates to a method for grant violation detection in an enhanced uplink (UL) telecommunication system. According to the method a radio network controller (RNC) establishes a first enhanced UL transport channel (E-DCH) which enables uplink data traffic with a certain data rate from a user terminal UE at least to a first base station. At least a first downlink transmission is performed to the user terminal UE including a first E-DCH. A Node B NB detects the scheduled data rate on which the user terminal UE transmits and further controls if the scheduled data rate detected is higher than the maximum data rate defined by the first E-DCH channel scheduled grant. If this is the case the Node B NB performs at least a second following downlink transmission including the first E-DCH channel scheduled grant. | 09-23-2010 |
| 20100246520 | Outer Loop Power Control for E-DCH - The present invention relates to a method and an enhanced uplink (UL) telecommunication system for power control. The system comprises at least one first radio network controller (RNC) and at least one first and one second base station enabling wireless communication with at least one first user terminal. The first and the second base stations receive at least a first transport block (TB), the first TB being transmitted by the user terminal over an established communication channel. If the received first TB includes at least one error, the base station that found the error controls the number of decoding attempts for the first TB. If the first TB is a discontinuous transmission frame (DTX), the base station resets a decoding attempt counter and prepares the first and second base stations for a new, second TB. | 09-30-2010 |
| 20100303030 | DPCCH AND HS-DPCCH CONTROL AT LOW GRANTS FOR E-DCH - Disclosed is a method and an enhanced uplink (UL) telecommunication system for power control. The system comprises at least one first radio network controller (RNC) and at least one first base station, which enables wireless communication with at least one first user terminal. The power for an uplink Dedicated Physical Control Channel (DPCCH) in a first enhanced UL transport channel (E-DCH) is controlled. The control is made by the first base station on the basis of a signal to interference ratio (SIR) target value sent by the first RNC. Thereby, the SIR real time value for the UL DPCCH is controlled towards the target value. The first user terminal and the first base station further calculate a power for at least an Enhanced Dedicated Physical Data Channel (E-DPDCH) in the first E-DCH, which power is defined as the sum of the DPCCH power and a power offset. The calculation is at least based on a power offset configuration and an absolute grant provided by the first base station, which grant at least set the maximum E-DPDCH power. The first user terminal further transmits the uplink data traffic on the first E-DCH with the controlled DPCCH power and the calculated E-DPDCH power. When the first base station and the first user terminal detects that the E-DPDCH absolute grant is reduced below or increased above a grant threshold, the base station changes the SIR target value. Further, the first base station and the first user terminal compensates the change of the target value by recalculating at least the E-DPDCH power so that the power reflects both the changed DPCCH power resulting from the changed SIR target value and the improvement due to optimized channel estimation in case of changed SIR real time value. | 12-02-2010 |
| 20110038342 | DISTRIBUTION OF DOWNLINK E-DCH POWER USAGE - The present invention relates to a method, a communication system and a Node-B (NB) in a communication system for distribution of downlink E-DCH power usage in a communication system. The system comprises at least one Node-B (NB) for enabling wireless communication with at least one user terminal (UE). The communication is enabled via an enhanced dedicated transport channel (E-DCH) and one high speed downlink shared channel (HS-DSCH) for uplink (UL) and downlink (DL) data traffic between the user terminal (UE) and the Node-B (NB). The Node-B (NB) comprises a HSDPA scheduler (HS-S) for scheduling the data rate for the DL data traffic via the HS-DSCH. It further comprises an EUL scheduler (EUL-S) for scheduling the maximum data rate for the UL data traffic via the E-DCH. The method is particularly characterized in that the Node-B (NB) estimates | 02-17-2011 |
