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Method for enhancing transmission rate of high speed downlink packet access service

A technology for accessing services and transmission rates, applied in the field of mobile communications, can solve problems such as not providing high-order modulation methods, and achieve the effect of increasing transmission rates

Active Publication Date: 2009-03-11
ZTE CORP
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  • Abstract
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Problems solved by technology

However, in the prior art, there is no method for applying the high-order modulation method 64QAM (Quadrature Amplitude Modulation, quadrature amplitude modulation) to HS-PDSCH

Method used

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  • Method for enhancing transmission rate of high speed downlink packet access service

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Embodiment Construction

[0014] The present invention sets the HS-DSCH classification corresponding to the high-order modulation mode 64QAM in the TD-SCDMA system, and the physical channel capacity corresponding to the classification, and sets the transport block size corresponding to the classification in the medium access control layer ( TBSize) index, and after the channel capability is reported to the NodeB through the UE, the NodeB selects the corresponding TBSize according to the channel capability. In this way, the high-order modulation method can be implemented in the high-speed downlink shared physical channel HS-PDSCH, thereby increasing the transmission rate of the high-speed downlink packet access service.

[0015] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings:

[0016] Reference figure 1 As shown, it is a flowchart of a method for increasing the transmission rate of a high-speed downlink packet access servic...

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Abstract

The invention discloses a method for enhancing the transmission rate of a high-speed downlink packet access service, which comprises the following steps: (1) high-speed physical downlink shared channel HS-DSCH physical layer classes corresponding to a high level method is arranged, each class is provided with corresponding physical channel ability, and transmission block size corresponding to the HS-DSCH physical layer classes is arranged and is provided with index; (2) user equipment sends physical channel ability information to NodeB, and the information comprises ability index which is corresponding to the physical channel ability; (3) the NodeB gains the physical channel ability according to the ability index after receiving the channel ability information, chooses corresponding transmission block size according to gained physical channel ability and marks index corresponding to the transmission block size in the high-speed shared control channel HS-SCCH. The invention can enhance the transmission rate of the high-speed down packet access service.

Description

Technical field [0001] The present invention relates to the field of mobile communication, and in particular to a method for improving the transmission rate of the High Speed ​​Downlink Packet Access (HSDPA) service in the third-generation mobile communication. Background technique [0002] In order to meet the rapidly growing demand for high-speed mobile data services, especially mobile Internet services, 3GPP (3rd Generation Partnership Project) has introduced HSDPA in the specification to adapt to its downlink services. The volume is generally greater than the characteristics of uplink traffic. [0003] In the HSDPA technology of the TD-SCDMA system, the newly introduced physical channels include: HS-PDSCH (High Speed ​​Physical Downlink Shared Channel), HS-SCCH (Shared Control Channel for HS-DSCH, high-speed shared control) Channel) and HS-SICH (Shared Information Channel for HS-DSCH, high-speed shared indicator channel). Among them, HS-PDSCH is used to carry user service dat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04L12/56H04L27/34H04J3/16
Inventor 赵静马志锋刘轶
Owner ZTE CORP
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