METHOD AND DEVICE FOR TRANSMITTING MCS INDICATION INFORMATION
First Claim
1. A method for transmitting Modulation and Coding Scheme, MCS, indication information, wherein the method comprises:
- determining, by a network side, an MCS level corresponding to a channel scheduled by the network side for a UE, according to channel quality and a first MCS table;
notifying, by the network side, the UE of the determined MCS level in first indication information to instruct the UE to determine a modulation scheme and a code rate for the channel according to the MCS level;
wherein there are at least corresponding entries of MCS indexes and Transport Block Size, TBS, indexes corresponding to modulation schemes at higher modulation orders than 6 in the first MCS table, and there is a one-to-one correspondence between MCS indexes and MCS levels.
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Accused Products
Abstract
The present application relates to the field of wireless communications, and in particular, to an indication method and device for a modulation coding scheme. It is for solving the problem that in an existing LTE/LTE-A system, a higher-order modulation scheme cannot be supported, thereby limiting the further improvement of throughput in an application scenario of a high signal-to-noise ratio. The method of the embodiments of the present application includes: according to the channel quality and a first MCS table, a network side determining an MCS level corresponding to a channel scheduled for a UE; and by means of first indication information, notifying the UE of the determined MCS level, so as to indicate to the UE to determine a modulation scheme and code rate for the channel scheduled therefor according to the MCS grade, wherein there are at least corresponding entries of MCS indexes and TBS indexes corresponding to modulation schemes at higher modulation orders than 6 in the first MCS table. The embodiments of the present application introduce a higher-order modulation scheme into an existing LTE/LTE-A system, improving the spectrum efficiency.
42 Citations
31 Claims
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1. A method for transmitting Modulation and Coding Scheme, MCS, indication information, wherein the method comprises:
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determining, by a network side, an MCS level corresponding to a channel scheduled by the network side for a UE, according to channel quality and a first MCS table; notifying, by the network side, the UE of the determined MCS level in first indication information to instruct the UE to determine a modulation scheme and a code rate for the channel according to the MCS level; wherein there are at least corresponding entries of MCS indexes and Transport Block Size, TBS, indexes corresponding to modulation schemes at higher modulation orders than 6 in the first MCS table, and there is a one-to-one correspondence between MCS indexes and MCS levels. - View Dependent Claims (2, 3, 4, 5, 6, 9, 10, 11, 12, 14, 15)
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7. (canceled)
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8. (canceled)
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13. (canceled)
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16. (canceled)
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17. (canceled)
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18. A method for receiving Modulation and Coding Scheme, MCS, indication information, wherein the method comprises:
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receiving, by a UE, first indication information transmitted from a network side; determining, by the UE, a modulation scheme and a code rate for a channel scheduled by the network side for the UE according to a first MCS table and an MCS level indicated in the first indication information; wherein there are at least corresponding entries of MCS indexes and Transport Block Size, TBS, indexes corresponding to modulation schemes at higher modulation orders than 6 in the first MCS table, and there is a one-to-one correspondence between MCS indexes and MCS levels. - View Dependent Claims (19, 20)
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21. A network-side device for transmitting Modulation and Coding Scheme, MCS, indication information, wherein the network-side device comprises:
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a determining module configured to determine an MCS level corresponding to a channel scheduled by the network-side device for a UE according to channel quality and a first MCS table; an instructing module configured to notify the UE of the determined MCS level in first indication information to instruct the UE to determine a modulation scheme and a code rate for the channel according to the MCS level; wherein there are at least corresponding entries of MCS indexes and Transport Block Size, TBS, indexes corresponding to modulation schemes at higher modulation orders than 6 in the first MCS table, and there is a one-to-one correspondence between MCS indexes and MCS levels.
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22-28. -28. (canceled)
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29. A User Equipment, UE, for receiving MCS indication information, wherein the UE comprises:
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a receiving module configured to receive first indication information transmitted from a network-side device; a processing module configured to determine a modulation scheme and a code rate for a channel scheduled by the network-side device for the UE according to a first MCS table and an MCS level indicated in the first indication information; wherein there are at least corresponding entries of MCS indexes and Transport Block Size, TBS, indexes corresponding to modulation schemes at higher modulation orders than 6 in the first MCS table, and there is a one-to-one correspondence between MCS indexes and MCS levels. - View Dependent Claims (30, 31)
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Specification