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Modulation mode encoding and processing method in TD-SCDMA system HS-SCCH signaling

A technology of TD-SCDMA and HS-SCCH, applied in transmission systems, digital transmission systems, electrical components, etc.

Active Publication Date: 2009-07-08
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0036] Although the above method can ensure compatibility with the existing system, it imposes an implicit restriction that when a transmission block of a certain size can be transmitted by either QPSK or 64QAM, the system can only choose QPSK, or switch to 64QAM. Choose 16QAM
[0037] However, the above limitations are not always justified from a receive performance point of view

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  • Modulation mode encoding and processing method in TD-SCDMA system HS-SCCH signaling
  • Modulation mode encoding and processing method in TD-SCDMA system HS-SCCH signaling
  • Modulation mode encoding and processing method in TD-SCDMA system HS-SCCH signaling

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Embodiment Construction

[0087] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0088] The core of the invention is to solve the problem that the existing information system cannot indicate the 64QAM high-order modulation mode by modifying the signaling of the downlink control channel HS-SCCH on the basis of compatibility.

[0089] In the present invention, using the existing system, in addition to K start = 15 and K stop = 0, the parameter K start Should be less than or equal to K stop characteristics, through K start and K stop Two parameters, respectively with "X ccs，1 , X ccs，2 , X ccs，3 , X ccs，4 " and "X ccs，5 , X ccs，6 , X ccs，7 , X ccs，8 "Whether the mapping relationship between the two groups of 4 bits is inverted or not, the configuration information of the new modulation mode is transmitted (for the sender) or determined (for the receiver). When this mapping relationship is transmitted and inverted, it means ...

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Abstract

The invention discloses a method for encoding high speed shared control channel (HS-SCCH) signaling in a time division-synchronous code division multiple access (TD-SCDMA) system and a terminal handling method thereof. The technical scheme is as follows: by combining the redundant information with the existing modulation mode information bits, the method can support the higher-order modulation mode such as 64QAM, improve the transmission performance and the frequency band utilization rate of the system, and provide the compatibility with the existing system. The method is applied to the field of mobile communication.

Description

technical field [0001] The present invention relates to a kind of coding and processing method of HS-SCCH (High Speed ​​Shared Control Channel, high-speed shared control channel) signaling, relate in particular to a kind of in TD-SCDMA system, spread spectrum code set in HS-SCCH signaling Information, time slot information, transmission block size and modulation information encoding methods and terminal processing methods for such encoded signaling. Background technique [0002] With the continuous development of communication technology and the increasing requirements of users for service quality, the data transmission rate of up to 2Mbit / s defined by the 3rd Generation Partnership Project (3GPP) standard before Release4 has gradually been unable to meet the needs of users. High-speed data business needs. In this case, 3GPP introduced the High Speed ​​Downlink Packet Access (HSDPA) technology in the Release 5 specification. [0003] HSDPA is an enhanced solution proposed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
Inventor 师延山石璟周加铳
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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