US 2010/0166096 A1Published application

Transmission method and multiple input multiple output wireless communication system using the same

AssigneeIndustrial Technology Research Institute

InventorsWen-Chung Liu, Gin-Kou Ma, Muh-Rong Yang

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Abstract

A transmission method executed in a multiple input multiple output wireless communication system may include the following steps: receiving a transmitting bit sequence; providing an X level pulse amplitude modulation (X-PAM) signal set, wherein distances between any two adjacent signal points in the X-PAM are the same; generating M signal sets according to the X-PAM signal set, wherein the ith signal set is formed by multiplying the X-PAM signal set with a parameter (1/X)(i-1), wherein i is an integer from 1 to M, and generating a X-PAM signal set joint coding/decoding table according a superposition result of the M signal sets; generating M transmitting bit sub-sequences according to the transmitting bit sequence; generating M transmitting signals according to the M transmitting bit sub-sequences and the X-PAM signal set joint coding/decoding table; transmitting the M transmitting signals to a wireless transmission channel via M transmitting antennae.

Claims38

Dependent claims

A transmission method, adapted to a multiple input multiple output (MIMO) wireless communication system, a transmitting terminal of the MIMO wireless communication system having M transmitting antennae, and a receiving terminal of the MIMO wireless communication system having N receiving antennae, wherein M and N are any integers greater than 0, and the transmission method comprising:

receiving, at the transmitting terminal, a transmitting bit sequence;
providing, at the transmitting terminal, an X level pulse amplitude modulation (X-PAM) signal set, wherein distances between any two adjacent signal points in the X-PAM signal set are the same;
generating, at the transmitting terminal, a first to an Mth signal sets according to the X-PAM signal set, wherein the ith signal set is formed by multiplying the X-PAM signal set with a parameter (1/X)(i-1), wherein i is an integer between 1 to M, and generating, at the transmitting terminal, an X-PAM signal set joint coding/decoding table according a superposition result of the first to the Mth signal sets;
generating, at the transmitting terminal, a first to an Mth transmitting bit sub-sequences according to the transmitting bit sequence;
generating, at the transmitting terminal, a first to an Mth transmitting signals according to the first to the Mth transmitting bit sub-sequences and the X-PAM signal set joint coding/decoding table;
and
transmitting, at the transmitting terminal, the first to the Mth transmitting signals to a wireless transmission channel via the first to the Mth transmitting antennae.

4 more elements

A transmission method, adapted to a MIMO wireless communication system, a transmitting terminal of the MIMO wireless communication system having M transmitting antennae, and a receiving terminal of the MIMO wireless communication system having N receiving antennae, wherein M and N are any integers greater than 0, and the transmission method comprising:

calculating, at the transmitting terminal, a total bit number of amplitude resolutions of M DACs of the transmitting terminal of the MIMO wireless communication system;
calculating, at the receiving terminal, a total bit number of amplitude resolutions of N ADCs of the receiving terminal of the MIMO wireless communication system;
and
determining, at the MIMO wireless communication system, an ultimate transmitting rate of the MIMO wireless communication system according to the total bit number of the amplitude resolutions of the M DACs and the total bit number of the amplitude resolutions of the N ADCs.

1 more element

A MIMO wireless communication system, comprising:

a transmitting terminal, comprising M transmitting antennae;
and
a receiving terminal, comprising N receiving antennae,
wherein the transmitting terminal receives a transmitting bit sequence, and provides an X-PAM signal set, wherein distances between any two adjacent signal points in the X-PAM signal set are the same, the transmitting terminal generates a first to an Mth signal sets according to the X-PAM signal set, wherein the ith signal set is formed by multiplying the X-PAM signal set with a parameter (1/X)(i-1), and i is an integer between 1 to M, the transmitting terminal generates a X-PAM signal set joint coding/decoding table according a superposition result of the first to the Mth signal sets, the transmitting terminal generates a first to an Mth transmitting bit sub-sequences according to the transmitting bit sequence, the transmitting terminal generates a first to an Mth transmitting signals according to the first to the Mth transmitting bit sub-sequences and the X-PAM signal set joint coding/decoding table, and the transmitting terminal transmits the first to the Mth transmitting signals to a wireless transmission channel through the first to the Mth transmitting antennae.

1 more element

A MIMO wireless communication system, comprising:

a transmitting terminal, comprising M transmitting antennae and M DACs;
and
a receiving terminal, comprising N receiving antennae and N ADCs,
wherein the transmitting terminal calculates a total bit number of amplitude resolutions of the M DACs, the receiving terminal calculates a total bit number of amplitude resolutions of the N ADCs, and the MIMO wireless communication system determines an ultimate transmitting rate of the MIMO wireless communication system according to the total bit number of the amplitude resolutions of the M DACs and the total bit number of the amplitude resolutions of the N ADCs.

1 more element

Dependencies are inferred from the claim text.