摘要:
Disclosed is a method for transmitting a dedicated physical data channel signal over a dedicated physical data channel in the absence of transmission data to be transmitted over the dedicated physical data channel in order to properly maintain a target SIR (Signal-to-Interference Ratio) when there exists new transmission data after the absence of the transmission data in a CDMA (Code Division Multiple Access) mobile communication system. The method comprises generating a dummy bit generation request signal in the absence of the transmission data; and upon receipt of the dummy bit generation request signal, generating a dummy bit stream, and transmitting a dedicated physical data channel signal created by attaching the CRC bit stream to the dummy bit stream.
摘要:
In an asynchronous CDMA mobile communication system supporting HSDPA (High Speed Downlink Packet Access), in order to assign power to a high speed physical downlink shared channel (HS-PDSCH), a power offset is determined and then provided to a Node B and a user equipment (UE). For this, an HS-PDSCH power offset is determined by a controlling radio network controller (CRNC) and a Node B, and then transmitted to the UE or the Node B.
摘要:
Disclosed is a method for transmitting a dedicated physical data channel signal over a dedicated physical data channel in the absence of transmission data to be transmitted over the dedicated physical data channel in order to properly maintain a target SIR (Signal-to-Interference Ratio) when there exists new transmission data after the absence of the transmission data in a CDMA (Code Division Multiple Access) mobile communication system. The method comprises generating a dummy bit generation request signal in the absence of the transmission data; and upon receipt of the dummy bit generation request signal, generating a dummy bit stream, and transmitting a dedicated physical data channel signal created by attaching the CRC bit stream to the dummy bit stream.
摘要:
A notification method for informing a UE of an existence or absence of control information for an MBMS in a mobile communication system supporting the MBMS. In the method, the UE receives a notification indicator channel independently reporting the existence of the control information for the MBMS, confirms at least one notification indicator of the notification indicator channel, thereby confirming the existence of the control information relating to the requested MBMS. Further, a method is proposed, which can minimize an alarm due to other MBMSs.
摘要:
The present invention relates to a system for gating a dedicated physical control channel in a mobile communication system. A UTRAN (UMTS Terrestrial Radio Access Network) transmits a gating start command or a gating end command to a UE (User Equipment) through a specific transport format combination indicator symbol according to whether there exists data transmitted over a downlink physical shared channel and a dedicated physical data channel, thereby to start or end gating the dedicated physical control channel.
摘要:
Disclosed is a code division multiple access (CDMA) communication system having a downlink dedicated physical channel (DL_DPCH) having a downlink dedicated physical control channel (DL_DPCCH) and a downlink dedicated physical data channel (DL_DPDCH). The DL_DPCCH having a transport power control (TPC) field transmitting a TPC command for controlling uplink transport power, a transport format combination indicator (TFCI) field transmitting TFCI indicating a transport format combination of a currently transmitted channel, and a pilot field transmitting a pilot. The DL_DPDCH has first and second data fields transmitting downlink data. If data is normally received over an enhanced uplink dedicated channel (EUDCH), ACK information is generated, and if data is abnormally received over the EUDCH, NACK information is generated. Bits corresponding to the ACK or NACK information are punctured at a position randomly selected from the first and second data fields of the DL_DPDCH, and the ACK or NACK information is inserted into the punctured position before being transmitted.
摘要:
A method for paging user equipments (UEs) receiving a second service in a mobile communication system providing a first service and the second service. A serving General Packet Radio Service (GPRS) support node (SGSN), determines an identifier indicating the second service and a coefficient related to paging occasions for transmitting a paging instance indicating presence/absence of paging information related to the second service in response to a request for the second service from UEs, and transmits the determined identifier and coefficient to a radio network controller (RNC). The RNC transmits the identifier and the coefficient to the UEs, determines the paging occasions and transmission times of the paging instance in each of the paging occasions by using the identifier and the coefficient, and transmits the paging instances over a first channel at the transmission times of the paging instances for each of the paging occasions so that the UEs recognize presence/absence of the paging information.
摘要:
A device and method for configuring an UL-DPCCH. One or more UL-DPCCHs, especially a UL-DPCCH for supporting HSDPA, are constructed in code division multiplexing and transmitted according to the characteristics of control information. The UL-DPCCH of the present invention that delivers various kinds of control information can be configured flexibly and operate in compatibility with a conventional asynchronous mobile communication system.
摘要:
There are disclosed an apparatus and method for determining or changing a target ROT for a target cell according to measurement ROTs from its neighbor cells in Node B controlled scheduling for improving enhanced uplink dedicated channels in an asynchronous CDMA communication system. The present invention proposes novel signaling procedures for the purpose of determining or changing the target ROT for the target cell.
摘要:
Disclosed is a method for maintaining uplink timing synchronization by a User Equipment (UE) in a mobile communication system, without uplink transmission of a preamble from a UE or without transmission of uplink timing difference information from an Evolved Node B (E-NB) to solve the inefficient use problem of radio resources, occurring due to periodic transmission of uplink signaling and downlink signaling during maintenance of the uplink timing synchronization, and a UE apparatus for the same.