Phalanx radio system architecture for high capacity wireless communication

• US 9,832,002 B2
• Filed: 07/17/2014
• Issued: 11/28/2017
• Est. Priority Date: 07/17/2014
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Xu, Xinyu, Wessel, David
• Primary Examiner(s): Sheikh, Ayaz
• Assistant Examiner(s): HAMPTON, TARELL A
• Application Number:
  US14/333,803
• Publication Number:
  US 20160021552A1
• Time in Patent Office: 1,230 Days
• Field of Search: None
• CPC Class Codes: H04L 5/14 Two-way operation using the same type of signal, i.e. duplex
• CPC Class Codes: H04W 16/26 Cell enhancers or enhancement, e.g. for tunnels, building shadow
• CPC Class Codes: H04W 16/32 Hierarchical cell structures
• CPC Class Codes: H04W 88/085 Access point devices with remote components

Abstract

System and apparatus embodiments are provided for high capacity wireless communication. In an embodiment, a system for high capacity wireless communication includes a plurality of small radio unit modules (SRUMs) and a single central module (CM) configured to connect to the SRUMS over a high speed transport layer (TL), wherein the SRUMs each comprise a SRUM radio frequency (RF) element and an antenna, wherein the CM comprises a digital signal processor (DSP), an analog-to-digital (A/D) converter, a plurality of digital-to-analog (D/A) converters, and a plurality of CM RF elements, wherein each of the plurality of SRUMs is uniquely associated with a CM RF element, and a D/A converter thereby forming a radio unit (RU) that is configured to operate independently of other RUs.

Claims

1. A system for wireless communication, the system comprising:

a plurality of small radio unit modules integrated into a single module in a first physical location; and

a single central module (CM) configured to connect to the small radio unit modules over a transport layer (TL),

wherein each small radio unit module comprise a small radio unit module radio frequency (RF) element and an antenna,

wherein the CM comprises a digital signal processor (DSP), an analog-to-digital (A/D) converter, a plurality of digital-to-analog (D/A) converters, and a plurality of CM RF elements,

wherein each of the plurality of small radio unit modules is uniquely associated with a CM RF element, and a D/A converter thereby forming a radio unit (RU) that is configured to operate independently of other RUs, and

wherein the first physical location of the plurality of small radio unit modules is different from a physical location of the CM.

2. The system of claim 1, wherein each small radio unit module comprises a transmitter (Tx) power amplifier (PA), an automatic gain control (AGC) amplifier, an antenna, and a duplexer connected to the antenna, the Tx PA, and the AGC amplifier, wherein the duplexer provides Tx signals from the Tx PA to the antenna and provides Rx signals from the antenna to the AGC amplifier.

3. The system of claim 1, wherein the CM further comprises a multiplex receiver (MRX) that is shared by multiple RUs.

4. The system of claim 3, wherein the MRX is a time division multiplex (TDMx) MRX.

5. The system of claim 3, wherein the MRX is a frequency division multiplex (FDMx) MRX.

6. The system of claim 1, wherein the RUs comprise a power less than 10 watts.

7. The system of claim 1, the TL comprises one of an optical link, a microwave link, and an electrical link.

8. The system of claim 1, wherein the DSP and the A/D are shared by multiple RUs.

9. The system of claim 1, wherein the CM is not co-located in an elevated position on a radio tower that is proximate the small radio unit modules.

10. A network component configured for wireless communications, comprising:

a central module (CM) configured to connect to a link to a backhaul network and comprising a digital signal processor (DSP), a plurality of an analog-to-digital (A/D) converter, a plurality of digital-to-analog (D/A) converters, and a plurality of CM RF elements; and

a plurality of small radio unit modules small radio unit modules integrated into a single physical location, wherein each small radio unit module comprises a small radio unit module radio frequency (RF) element and an antenna, wherein each of the s is configured to connect to the CM over a transport layer (TL),

wherein each of the plurality of small radio unit modules is uniquely associated with a CM RF element, and a D/A converter thereby forming a radio unit (RU) that is configured to operate independently of other RUs, and

wherein the single physical location of the plurality of small radio unit modules is different from a physical location of the CM.

11. The network component of claim 10, wherein each comprises a transmitter (Tx) power amplifier (PA), an automatic gain control (AGC) amplifier, an antenna, and a duplexer connected to the antenna, the Tx PA, and the AGC amplifier, wherein the duplexer provides Tx signals from the Tx PA to the antenna and provides Rx signals from the antenna to the AGC amplifier.

12. The network component of claim 10, wherein the CM further comprises a multiplex receiver (MRX) that is shared by multiple RUs.

13. The network component of claim 12, wherein the MRX is a time division multiplex (TDMx) MRX.

14. The network component of claim 12, wherein the MRX is a frequency division multiplex (FDMx) MRX.

15. The network component of claim 10, wherein the RUs comprise a power less than 10 watts.

16. The network component of claim 10, the TL comprises one of an optical link, a microwave link, and an electrical link.

17. The network component of claim 10, wherein the CM is not co-located near the top of a radio tower proximate the s.

18. A transmission point (TP) for wireless communication, comprising:

a plurality of radio units (RUs), each RU comprises a power less than 10 watts,

wherein each RU comprises a plurality of radio components, wherein some of the components are located in a central module (CM) and some of the radio components are located in a small radio units module,

wherein a plurality of small radio unit modules are integrated into a single physical location,

wherein some of the radio components located in the CM are shared by multiple RUs,

wherein the radio components in the small radio unit module are configured to connect to the radio components in the CM over a transport layer (TL), and

wherein the single physical location of the plurality of small radio unit modules is different from a physical location of the CM.

19. The TP of claim 18, wherein the CM comprises a digital signal processor (DSP), a plurality of an analog-to-digital (A/D) converters, a plurality of digital-to-analog (D/A) converters, and a plurality of CM RF elements.

20. The TP of claim 19, wherein the DSP and the A/D are shared by multiple RUs.

21. The TP of claim 18, wherein the each of the small radio unit modules comprises a small radio unit module radio frequency (RF) element and an antenna.

22. The TP of claim 18, wherein each small radio unit module comprises a transmitter (Tx) power amplifier (PA), an automatic gain control (AGC) amplifier, an antenna, and a duplexer connected to the antenna, the Tx PA, and the AGC amplifier, wherein the duplexer provides Tx signals from the Tx PA to the antenna and provides Rx signals from the antenna to the AGC amplifier.

23. The TP of claim 18, wherein the CM comprises a multiplex receiver (MRX) that is shared by multiple RUs.

24. The TP of claim 23, wherein the MRX is a time division multiplex (TDMx) MRX.

25. The TP of claim 23, wherein the MRX is a frequency division multiplex (FDMx) MRX.

26. The TP of claim 18, the TL comprises one of an optical link, a microwave link, and an electrical link.