# US 9,438,514 B2 · Wireless electronic device and wireless transmission method thereof

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- Number: US 9,438,514 B2
- Document ID: US9438514B2
- Status: Granted
- Kind: B2
- Application number: 14/072,082
- Filed: 2013-11-05
- Published: 2015-02-19
- Granted: 2016-09-06
- Earliest claimed: 2013-08-13
- Assignees: Wistron Neweb Corp.
- Applicants: Wistron NeWeb Corp.
- Inventors: Yung-Fa Ho; Ching-Po Chiu; Chia-Wei Lin
- Web page: https://patentgrep.com/patent/US9438514B2

## CPC

- H04L 45/74: Address processing for routing
- H01Q 3/00: Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system {(means for positioning H01Q1/125)}
- H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
- H04L 45/66: {Layer 2 routing, e.g. in Ethernet based MAN's}
- H04L 2101/622: Layer-2 addresses, e.g. medium access control [MAC] addresses
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

The present invention discloses a wireless electronic device including an adaptive antenna device, a wireless communication module and a processing unit. The adaptive antenna includes a horizontal antenna module arranged to transmit data in a plurality of certain horizontal directions and a vertical antenna module arranged to transmit data in a plurality of certain vertical directions. The processing unit enables the wireless communication module to enable the horizontal antenna module to scan signals along the certain horizontal directions to obtain a horizontal scan result when the wireless electronic device is powered up. The processing unit further determines whether at least one electronic device is available in at least one of the certain horizontal directions according to the horizontal scan result, and enables the horizontal antenna module and the vertical antenna module to directionally transmit data to the electronic device in the certain horizontal directions.

## Claims

### Claim 1

A wireless electronic device, comprising:
an adaptive antenna device, arranged to directionally transmit data, wherein the adaptive antenna device further comprises:
a horizontal antenna module, arranged to transmit data in a plurality of certain horizontal directions; and
a vertical antenna module, arranged to transmit data in a plurality of certain vertical directions;
a wireless communication module, arranged to enable the adaptive antenna device; and
a processing unit, arranged to enable the wireless communication module to enable the horizontal antenna module of the adaptive antenna device to scan signals along the certain horizontal directions, respectively, to obtain a horizontal scan result when the wireless electronic device is powered up, wherein the processing unit is further arranged to determine whether an electronic device is available in one of the certain horizontal directions according to the horizontal scan result, and enables the vertical antenna module to form a vertical radiation pattern on the one of the certain horizontal directions in which the electronic device is available.

### Claim 2 (depends on 1)

The wireless electronic device as claimed in claim 1, further comprising a register arranged to store the horizontal scan result, wherein the horizontal scan result comprises a MAC address and a RF parameters set corresponding to the electronic device.

### Claim 3 (depends on 2)

The wireless electronic device as claimed in claim 2, wherein the processing unit is further arranged to determine whether the RF parameters set meets a predetermined standard, and determine that the electronic device is arranged in the one of the certain horizontal directions when the RF parameters set meets the predetermined standard.

### Claim 4 (depends on 3)

The wireless electronic device as claimed in claim 3, further comprising a storage device arranged to store a connection table and a network management database, wherein the connection table is arranged to record the MAC addresses of electronic devices connected with the wireless electronic device, and the network management database is arranged to record the RF parameters sets of electronic devices connected with the wireless electronic device.

### Claim 5 (depends on 4)

The wireless electronic device as claimed in claim 4, wherein the processing unit is further arranged to update the connection table and the network management database based on the RF parameters set and the corresponding MAC address of the horizontal scan result when the RF parameters set meets the predetermined standard.

### Claim 6 (depends on 5)

The wireless electronic device as claimed in claim 5, wherein the storage device is arranged to store a plurality of antenna pattern tables, and each of the antenna pattern tables is arranged to store a plurality of antenna patterns and a plurality of predetermined RF parameters set, wherein the antenna patterns correspond to the predetermined RF parameters, respectively, and the wireless communication module is arranged to enable the adaptive antenna device according to the antenna pattern, wherein each of the antenna patterns is arranged to determine one of the certain horizontal directions and one of the certain vertical directions of the adaptive antenna device for directionally transmitting data, and each of the antenna patterns is arranged to control a wireless channel.

### Claim 7 (depends on 6)

The wireless electronic device as claimed in claim 6, wherein the processing unit is further arranged to select one of the antenna patterns from one of the antenna pattern tables according to the updated connection table, and the wireless communication module is further arranged to enable the horizontal antenna module and the vertical antenna module according to the least one antenna pattern selected by the processing unit for directionally transmitting data to the electronic device in the certain horizontal direction.

### Claim 8

A wireless transmission method, applied to a wireless electronic device, wherein the wireless electronic device comprises an adaptive antenna device having a horizontal antenna module and a vertical antenna module, and the wireless transmission method comprises:
enabling the horizontal antenna module of the adaptive antenna device to scan signals along a plurality of certain horizontal directions, respectively, to obtain a horizontal scan result when the wireless electronic device is powered up;
determining whether a electronic device is available in one of the certain horizontal directions, respectively, according to the horizontal scan result; and
enabling the vertical antenna module to form a vertical radiation pattern on the one of the certain horizontal directions in which the electronic device is available.

### Claim 9 (depends on 8)

A wireless transmission method as claimed in claim 8, further comprising storing the horizontal scan result in a register, wherein the horizontal scan result comprises a MAC address and a RF parameters set corresponding to the electronic device.

### Claim 10 (depends on 9)

A wireless transmission method as claimed in claim 9, wherein the step of determining whether the at least one electronic device is available in one of the certain horizontal directions further comprises:
determining whether the RF parameters set meets a predetermined standard;
determining that the electronic device is arranged in the one of the certain horizontal directions when the RF parameters set meets the predetermined standard; and
ignoring the RF parameters set when the RF parameters set does not meet the predetermined standard.

### Claim 11 (depends on 10)

A wireless transmission method as claimed in claim 10, wherein the wireless electronic device further comprises a connection table and a network management database, wherein the connection table is arranged to record the MAC addresses of electronic devices connected with the wireless electronic device, and the network management database is arranged to record the RF parameters sets of electronic devices connected with the wireless electronic device.

### Claim 12 (depends on 11)

A wireless transmission method as claimed in claim 11, further comprising updating the connection table and the network management database based on the RF parameters set and the corresponding MAC address of the horizontal scan result when the RF parameters set meets the predetermined standard.

### Claim 13 (depends on 12)

A wireless transmission method as claimed in claim 12, wherein the wireless electronic device further comprises a plurality of antenna pattern tables, and each of the antenna pattern tables is arranged to store a plurality of antenna patterns and a plurality of predetermined RF parameters sets, wherein the antenna patterns correspond to the predetermined RF parameters, respectively, and each of the antenna patterns is arranged to determine one of the horizontal directions and one of the vertical directions of the adaptive antenna device for directionally transmitting data, and each of the antenna patterns is arranged to control a wireless channel.

### Claim 14 (depends on 13)

A wireless transmission method as claimed in claim 13, wherein the step of enabling the horizontal antenna module and the vertical antenna module further comprises:
selecting one of the antenna patterns from one of the antenna pattern tables according to the updated connection table; and
enabling the horizontal antenna module and the vertical antenna module of the adaptive antenna device according to the selected antenna pattern for directionally transmitting data to the electronic device in the certain horizontal direction.