Method of enhancing system performance and related wireless module

1. A method of enhancing performance for a multi-user multiple input multiple output (MIMO) system, the method comprising:

determining whether a connection node of a data stream matches when a transmission packet is waiting for transmission in the data stream, wherein the data stream is dedicated to serve a wireless subscriber;

using a self-training mechanism to collect a plurality of radio-frequency parameters and a MIMO information of the connection node when the connection node matches;

using a time-division multiple access (TDMA) mechanism to divide the transmission packet into a plurality of sub-packets according to the MIMO information;

applying a space-time block code (STBC) to the plurality of sub-packets; and

transmitting the plurality of encoded sub-packets in the data stream at different time instants.

2. The method of claim 1 , further comprising:

referring to a connection node table when the connection node does not match; and

obtaining a data stream information of the connection node after the transmission packet being divided into the plurality of sub-packets, and replacing the transmission packet with the plurality of sub-packets to wait for transmission in the data stream.

3. The method of claim 1 , wherein the step of using the time-division multiple access (TDMA) mechanism to divide the transmission packet into the plurality of sub-packets according to the MIMO information comprises:

obtaining a size of the transmission packet;

determining whether dividing the transmission packet is completed according to the size of the transmission packet;

determining numbers of the plurality of sub-packets and defining sizes of the plurality of sub-packets according to the MIMO information when dividing the transmission packet is not completed;

dividing the transmission packet into the plurality of sub-packets according to the numbers of the plurality of sub-packets and the sizes of the plurality of sub-packets; and

attaching a time tag on each sub-packet of the plurality of sub-packets.

4. The method of claim 3 , wherein the step of transmitting the plurality of encoded sub-packets in the data stream at the different time instants further comprises:

transmitting the plurality of encoded sub-packets sequentially according to the time tag on each of the sub-packet, wherein transmission of two adjacent sub-packets has a delay time.

5. The method of claim 1 , wherein the plurality of radio-frequency parameters comprises at least one of a transmission power, a packet error rate, an information rate and a received signal strength indication (RSSI).

6. The method of claim 1 , wherein the MIMO information is a MIMO configuration of the wireless subscriber.

7. The method of claim 1 , wherein the data stream is formed by a beam or multiple beams.

8. A wireless module, for a multi-user multiple input multiple output (MU-MIMO) system, the wireless module comprising:

at least a connection node, for forming a data stream, wherein the data stream is dedicated to serve a wireless subscriber;

a database, for using a self-training mechanism to collect a plurality of radio-frequency parameters and a MIMO information;

a transmission processing unit, coupled to the database, for dividing the transmission packet into a plurality of sub-packets according to the MIMO information, the transmission processing unit comprising:

a determination unit, for determining numbers of the plurality of sub-packets and defining sizes of the plurality of sub-packets according to the MIMO information when dividing the transmission packet is not completed; and

a time dividing unit, for using a time-division multiple access (TDMA) mechanism to divide the transmission packet into the plurality of sub-packets according to the numbers of the plurality of sub-packets and the sizes of the plurality of sub-packets and attaching a time tag on each sub-packet of the plurality of sub-packets;

an encoding unit, coupled to the transmission processing unit, for applying a space-time block code (STBC) to the plurality of sub-packets; and

a radio-frequency module, coupled to the encoding unit, transmitting the plurality of encoded sub-packets in the data stream at different time instants.

9. The wireless module of claim 8 , wherein the radio-frequency module is further utilized for determining whether a connection node of the at least a connection node matches when the transmission packet is waiting for transmission in the data stream.

10. The wireless module of claim 9 , further comprising a connection node table, for being referred when the connection node does not match.

11. The wireless module of claim 8 , wherein the transmission processing unit is further utilized for obtaining a size of the transmission packet, obtaining a data stream information of the connection node after the transmission packet being divided into the plurality of sub-packets, and replacing the transmission packet with the plurality of sub-packets to wait for transmission in the data stream.

12. The wireless module of claim 11 , wherein the determination unit is further utilized for determining whether dividing the transmission packet is completed according to the size of the transmission packet.

13. The wireless module of claim 8 , wherein the radio-frequency module is further utilized for transmitting the plurality of encoded sub-packets sequentially according to the time tag on each of the sub-packet, wherein transmission of two adjacent sub-packet has a delay time.

14. The wireless module of claim 8 , wherein the plurality of radio-frequency parameters comprises at least one of a transmission power, a packet error rate, an information rate and a received signal strength indication (RSSI).

15. The wireless module of claim 8 , wherein the MIMO information is a MIMO configuration of the wireless subscriber.

16. The wireless module of claim 8 , wherein the data stream is formed by a beam or multiple beams.

17. A method of enhancing performance for a multi-user multiple input multiple output (MIMO) system, the method comprising:

forming a data stream by a connection node;

using a self-training mechanism to collect a plurality of radio-frequency parameters and a MIMO information of the connection node;

using a time-division multiple access (TDMA) mechanism to divide the transmission packet into a plurality of sub-packets according to the MIMO information;

applying a space-time block code (STBC) to the plurality of sub-packets; and

transmitting the plurality of encoded sub-packets in the data stream at different time instants.

18. The method of claim 17 , wherein the MIMO information is a MIMO configuration of the wireless subscriber.