TRANSCEIVER AND OPERATION METHOD THEREOF

• US 20160099800A1
• Filed: 05/26/2015
• Published: 04/07/2016
• Est. Priority Date: 10/01/2014
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Chang-Joon Park
• Inventors: PARK, Chang-Joon
• Application Number:
  US14/721,547
• Publication Number:
  US 20160099800A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04B 1/0057 using diplexing or multiplexing filters for selecting the desired band
• CPC Class Codes: H04B 1/44 Transmit/receive switching
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/1461 Suppression of signals in the return path, i.e. bidirectional control circuits

Abstract

A receiver, a transceiver, and method of operating the transceiver are provided. The receiver includes a diplexer configured to separate a first band signal and a second band signal, the first band signal including a plurality of first subband signals; a first multi-mode switch configured to generate one or more signal paths corresponding to one or more of the plurality of first subband signals; and a plurality of first band pass filters configured to filter the plurality of first subband signals, wherein the plurality of first band pass filters and the first multi-mode switch are electrically coupled, and one or more of the plurality of first band pass filters, corresponding to one or more of the plurality of first subband signals, filter the plurality of first subband signals, respectively.

Claims

1. A receiver, comprising:

a diplexer configured to separate a first band signal and a second band signal, the first band signal including a plurality of first subband signals;

a first multi-mode switch configured to generate one or more signal paths corresponding to one or more of the plurality of first subband signals; and

a plurality of first hand pass filters configured to fiber the plurality of first subband signals,

wherein the plurality of first band pass filters and the first multi-mode switch are electrically coupled, and one or more of the plurality of the first band pass filters, corresponding to one or more of the plurality of first subband signals, filter the plurality of first subband signals, respectively.

2. The receiver of claim 1, further comprising two or more first switches electrically coupled to the plurality of first hand pass filters, wherein the two or more first switches are configured to switch two or more signals, which do not simultaneously pass through the plurality of first band pass filters from among the plurality of first subband signals.

3. The receiver of claim 1, further comprising a second multi-mode switch configured to generate one or more signal paths corresponding to one or more second subband signals from among a plurality of second subband signals of the separated second band.

4. The receiver of claim 3, further comprising a plurality of second band pass filters configured to filter the plurality of second subband signals.

5. The receiver of claim 4, further comprising two or more second switches electrically coupled to the plurality of second band pass filters, wherein the two or more second switches are configured to switch two or more signals, which do not simultaneously pass through the plurality of second band pass filters from among the plurality of second subband signals.

6. The receiver of claim 4, wherein each of the plurality of first band pass filters or each of the plurality of second band pass filters is a Surface Acoustic Wave (SAW) filter.

7. The receiver of claim 1, wherein a first band is a Low Band (LB) and a second band is a Mid Band (MB), or the first band is the MB and the second band is the LB.

8. The receiver of claim 1, further comprising:

a third mode switch configured to generate one or more signal paths corresponding to one or more of a plurality of subband signals of a third band for performing Carrier Aggregation (CA) with at least one of a first band and a second band; and

a plurality of third band pass filters configured to filter the plurality of first subband signals.

9. The receiver of claim 8, further comprising two or more third switches electrically coupled to the plurality of third band pass filters, wherein the two or more third switches are configured to switch two or more signals, which do not simultaneously pass through the plurality of third band pass filters from among the plurality of third subband signals.

10. The receiver of claim 8, wherein the third band is a High Band (HB).

11. The receiver of claim 1, further comprising a controller configured to determine whether to perform Carrier Aggregation (CA) by using two or more subband signals in a first band, control a first dual mode switch to generate two or more signal paths when the CA is performed using the two or more subband signals, and control the first dual mode switch to generate one signal path when the CA is not performed using the two or more subband signals.

12. A transceiver, comprising:

a diplexer configured to separate a first band signal and a second band signal, the first band signal including a plurality of first subband signals;

a first multi-mode switch configured to generate one or more signal paths corresponding to one or more of the plurality of first subband signals; and

a plurality of first duplexers configured to filter the plurality of first subband signals, wherein the plurality of first duplexers and the first multi-mode switch are electrically coupled, and one or more of the plurality of first duplexers, corresponding to one or more of the plurality of first subband signals, filter the plurality of first subband signals, respectively.

13. The transceiver of claim 12, further comprising a second multi-mode switch configured to generate one or more signal paths corresponding to one or more second subband signals from among a plurality of second subband signals of the separated second band.

14. The transceiver of claim 13, further comprising a plurality of second duplexers configured to filter the plurality of second subband signals, wherein one of the plurality of first duplexers and the first multi-mode switch are electrically coupled, and one or more of the plurality of second duplexers, corresponding to one or more of the plurality of second subband signals, filter the plurality of second subband signals, respectively.

15. The transceiver of claim 12, wherein a first band is a Low Band (LB) and a second band is a Mid Band (MB), or the first band is the MB and the second band is the LB.

16. The transceiver of claim 12, further comprising:

a third multi-mode switch configured to generate one or more signal paths corresponding to one of a plurality of subband signals of a third band for performing Carrier Aggregation (CA) with at least one of a first band and a second band; and

a plurality of third duplexers configured to filter the plurality of first subband signals.

17. The transceiver of claim 16, wherein the third band is a High Band (HB).

18. The transceiver of claim 12, further comprising a controller configured to determine whether to perform Carrier Aggregation (CA) by using two or more subband signals in a first band, control a first dual mode switch to generate two or more transmission/reception paths when the CA is performed using the two or more subband signals, and control the first multi-mode switch to generate one transmission/reception signal path when the CA is not performed using the two or more subband signals.

19. A transceiver, comprising a chip set configured to:

determine whether to perform Carrier Aggregation (CA) by using two or more subband signals within a first band, a second band, or a third band;

control a dual mode switch to generate two or more transmission/reception paths when the CA is performed using the two or more subband signals; and

control the dual mode switch to generate one transmission/reception signal path when the CA is not performed using the two or more subband signals.

20. The transceiver of claim 19, wherein the first band is a Low Band (LB), the second band is a Mid Band (MB), and the third band is a High Band (HB).