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Expanded signalling capability for network element, user equipment and system

a network element and user equipment technology, applied in the field of mobile communications, can solve the problems of not having multi-carrier solutions, wcdma deployment plans do not provide a signalling scheme/signal structure, and ue knowing which hs-scch structur

Inactive Publication Date: 2006-12-28
NOKIA CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current WCDMA deployment plans do not provide a signalling scheme / signal structure to enable fast allocation of HSDPA carriers from a pool of multiple DL carriers.
WCDMA has not had multi-carrier solutions so far.
Just adding a new HS-SCCH to the system also brings the problem of the UE knowing which HS-SCCH structure it is to receive with.
The problem has not been solved earlier.

Method used

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  • Expanded signalling capability for network element, user equipment and system
  • Expanded signalling capability for network element, user equipment and system
  • Expanded signalling capability for network element, user equipment and system

Examples

Experimental program
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Embodiment Construction

[0029] In the 3GPP WCDMA system the base station (Node B) is a network element that sends signalling (control) information on four different high speed shared control channels (HS-SCCHs) although more than four are possible. The HS-SCCHs are sent in parallel during the same recurring time interval, e.g., during a two millisecond transmission time interval (TTI). The HS-SCCHs are sent over the whole cell or parts thereof for monitoring by various user equipment (UEs) which may be present in the cell. During this time that UEs are sending back periodic (for instance every ten milliseconds) channel quality indicator (CQI) signals to the Node B. The control information for a given UE, according to the prior art, is contained in one and only one of the four parallel HS-SCCHs. If a UE is able to check all four HS-SCCHs, it tries to find the HS-SCCH intended for it by checking its UE identifier in one of the four possible channels. When it detects the UE ID unique to itself in the first pa...

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Abstract

Several mobile station identifiers are allocated to one mobile station, one for each of a plurality of possible signalling channel structures, parameters, or both. When receiving the signalling channels, the mobile station searches for all identifiers allocated for it in the received signalling channels. When it finds one that matches, it may for instance check a mapping table (agreed at the connection setup between mobile station and the network by RRC signalling) to determine what this identifier means. The signalling channel structure, parameters, or both, used in the transmission may be implicitly or explicitly indicated by the identifier. The mobile station (User Equipment) should monitor the signalling channels in the normal way. Instead of looking for only one identifier, however, the mobile station should monitor several identifiers belonging to it.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application claims the benefit of U.S. Provisional Patent Application Nos. 60 / 686,852 filed May 27, 2005 and 60 / 686,832 filed May 27, 2005.BACKGROUND OF THE INVENTION [0002] 1. Technical Field [0003] The field of the invention is mobile communications and, more particularly, to signalling used therein, for instance in the Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access (UTRA) of the Third Generation Partnership Project (3GPP) and beyond. [0004] 2. Discussion of Related Art [0005] In further evolution of mobile communications, for example, in the WCDMA (Wideband Code Division Multiple Access) system, all services could be implemented with HSDPA (High Speed Downlink Packet Access) / HSUPA (High Speed Uplink Packet Access) (including real time (RT) services which uses a very short duration frame (transmission time interval or TTI)). Also, traditionally circuit-switched services are moving into the packet-switc...

Claims

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Application Information

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IPC IPC(8): H04J1/16H04B1/707H04J13/00H04L1/00H04W8/22H04W8/26H04W72/04H04W76/02
CPCH04L1/0023H04L1/0061H04L1/0083H04L1/1812H04W76/025H04W8/26H04W28/18H04W76/02H04W8/22H04W76/15H04W76/10H04W76/11
Inventor KAHTAVA, JUSSIRIKKINEN, KARIMALKAMAKI, ESA
Owner NOKIA CORP
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