Distribution method for multicarrier HSDPA control channel and transmitting method of grouped data

A technology for controlling channels and allocation methods, which is applied in the field of communication, can solve problems such as the inability to meet the control requirements of multi-carrier HSDPA, and achieve a simple effect

Active Publication Date: 2008-09-03
SHANGHAI ULTIMATE POWER COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a method for allocating multi-carrier HSDPA control channels and a packet data transmission method for multi-carrier HSDPA, to solve the problem that single-carrier HSDPA only considers the transmission control of a single carrier in the prior art and cannot satisfy multi-carrier HSDPA Controlling Technical Issues Requirements

Method used

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  • Distribution method for multicarrier HSDPA control channel and transmitting method of grouped data
  • Distribution method for multicarrier HSDPA control channel and transmitting method of grouped data

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] When the user terminal accesses the network, the network side allocates K (K>=1) pairs of uplink and downlink control channels to the user terminal for monitoring by the user terminal. During the HSDPA service transmission process, the network side selects a pair of uplink and downlink control channels (HS-SCCH and HS-SICH) from the K pairs of uplink and downlink control channels for user terminals accessing the network. It transmits control information for packet data transmission on all carriers. The control information on the HS-SCCH channel includes the number of carriers and the corresponding frequency point, the time slot allocated to the user by each carrier, the code channel number, the modulation mode of the transmitted data, the size of the transmitted data block, and the redundancy version number , the retransmission identifier, the processing process of the HAQR, and the ID number of the UE. The user terminal can correctly receive the packet-switched data s...

Embodiment 2

[0046] During the HSDPA service transmission process, the corresponding relationship between each carrier and a selected pair of uplink and downlink control channels (HS-SCCH and HS-SICH) is established. The pair of uplink and downlink control channels may or may not be located on the corresponding carrier. Moreover, the uplink control channel and the paired downlink control channel may be located on the same carrier, or may be located on different carriers. The network side transmits the control information used for HSDPA transmission on each carrier for the user terminal through the pair of uplink and downlink control channels corresponding to the carrier, and uses the uplink and downlink accompanying channels to set up the uplink control channel and downlink control channel on the same carrier. initial power. That is, in the process of multi-carrier transmission, if the network side uses L carriers for packet data transmission, then the network side uses L pairs of uplink ...

example 1

[0071] Assuming that the UE supports receiving HSDPA data on N carriers, the network side selects channel resources of M (M≤N) carriers from the N carriers supported by the UE. The channel resources include carriers, time slots, and code channels. The network side allocates K pairs of HS-SCCH channels and HS-SICH channels to user A, and the paired HS-SCCH and HS-SICH channels are on the same carrier.

[0072] User A monitors the K HS-SCCH channels when there is no data transmission. If the network side needs to send data to user A on the HS-DSCH channel, the network side will select one of the K HS-SCCH channels as the HS-DSCH control channel, and send all HS-DSCH channel-related control information. And allocate a pair of uplink and downlink accompanying channels on the carrier.

[0073] Assuming that Node B uses L carriers to send data to user A at the same time, this HS-SCCH channel sends user A the control information of the HS-DSCH channel on L carriers, such as the num...

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Abstract

The invention relates to a distribution method of multi-carrier HSDPA control signal channel, wherein when the user terminal accesses the network, for processing HSDPA service transmission, the network distributes K to user terminal to detect the ascending and descending control signal channels; in the HSDPA service transmission process, in said distributed control signal channels, selects N to transmit data to control signal channels; and the network distributes one couple of ascending and descending accompany signal channels to each carrier of said control signal channels; M>=N>=1, M is the carrier wave number for sending group number; and each couple of ascending and descending control signal channels transmit the control information of HS-DSCH signal channel relative to the carrier wave; and the network can use one couple of ascending and descending control signal channels of transmission group data to transmit the control signal; said control signal channels transmit the control signal of HS-DSCH of all carrier waves of said user.

Description

technical field [0001] The present invention relates to the field of communication, in particular to HSDPA (High Speed ​​Downlink Packet Access) technology, in particular to the distribution of control channels and the packet data transmission method of multi-carrier HSDPA. Background technique [0002] The ability to support high-speed mobile packet data services is one of the most important features of the 3G system. The WCDMA R99 version can provide a data rate with a peak rate of 2Mbps, which is basically sufficient for most existing packet services. However, for many data services that require high traffic and delay, such as video, streaming media, and downloading, the system needs to provide higher transmission rates and shorter delays. [0003] For this reason, the HSDPA technology is a technology introduced by the 3GPP organization in the R5 version. HSDPA not only supports high-speed asymmetrical data services, but also minimizes the operator's investment cost whi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04W72/04H04L27/26
Inventor 王映民孙韶辉
Owner SHANGHAI ULTIMATE POWER COMM TECH
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