Abstract
The exploitation of the 60 GHz band is a very promising approach to fulfill the rapidly increasing data rate requirement of wireless indoor communication. One important 60 GHz application is the short-range point-to-point data transmission with Ultra-High-Rate (UHR, up to 10 Gbps) (Krone et al. in International Journal of Microwave and Wireless Technologies, 2011, 189–200). The design of such high data rate systems is very challenging. Except for Analog-Front-End (AFE) and physical layer (PHY) designs, the Medium Access Control (MAC) layer design is also crucial for the achievable system throughput. Among the MAC functionalities, the acknowledgment (ACK) mechanism is a very important component affecting the transmission efficiency and reliability. In this paper, a Hybrid Dynamic Frame Aggregation and Block-Acknowledgment (HD-FABA) scheme is proposed, which enables large-scale frame aggregation and can achieve significant ACK overhead reduction compared to the existing schemes. A theoretical model is developed for throughput analysis, which is verified by packet-level simulation. Both theoretical- and simulation results show that the HD-FABA scheme allows a number of MAC parameters to be optimized according to the PHY conditions (e.g. BER), leading to much higher throughput than with the state-of-the-art scheme.
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Abbreviations
- ACK:
-
Acknowledgment
- AFE:
-
Analog frontend
- AMB:
-
Aggregated MAC Block
- BUF:
-
Buffer
- Dly:
-
Delayed
- ECC:
-
Error correction code
- FRAG:
-
Fragment
- FCS:
-
Frame check sequence
- FH:
-
Frame header
- HCS:
-
Header check sequence
- HD-FABA:
-
Hybrid dynamic frame aggregation and block acknowledgment
- LOS:
-
Line of sight
- LSF:
-
Last subframe (of a PHY frame)
- MAC:
-
Medium access control
- MH:
-
MAC header
- MIFS:
-
Minimum inter-frame space
- MPDU:
-
MAC protocol data units
- MSDU:
-
MAC service data units
- NAK:
-
Not acknowledged
- PF:
-
Physical layer frame
- PH:
-
PHY header
- PHY:
-
PHYsical layer
- PR:
-
Preamble
- Rq:
-
Request
- SEQ:
-
Sequence (number)
- SIFS:
-
Short inter-frame space
- SF:
-
Subframe
- SH:
-
Subheader
- TDD:
-
Time division duplex
- UHR:
-
Ultra-high-rate
- B :
-
Number of AMBs used for the dynamic AMB size modeling
- c H :
-
Repetition number of the Blk-ACK payload
- c BA :
-
Repetition number of the headers (MH, SH)
- M AG :
-
Number of SFs in an AMB
- M AG, b :
-
Number of SFs in the bth AMB
- M B,b :
-
Number of SFs in the sink BUF
- M BUF :
-
Maximum allowable number of SFs in the BUF
- M E,b :
-
Number of buffered and retransmitted SFs related to the bth AMB
- M P :
-
Number of SFs within an ordinary PHY-frame
- M R,b :
-
Number of retransmitted SFs in the bth AMB
- M N,b :
-
Number of new SFs in the bth AMB
- N BMAP :
-
Number of bits in the Blk-ACK bitmap
- N BUF :
-
The sink BUF size in bits
- N FCS :
-
Number of bits in the FCS
- N HCS :
-
Number of bits in the HCS
- N M :
-
Maximum allowable number of a missing Blk-ACK
- N MH :
-
Number of bits in the MH (incl. HCS)
- N OF :
-
Number of bits in other fields of the Blk-ACK payload
- N PH :
-
Number of bits in the PH
- N PL :
-
Maximum number of bits in PHY-frame payload
- N PL,BA :
-
Number of bits in Blk-ACK payload
- N S :
-
Expected number of correctly received MAC payload bits within an AMB
- N SF :
-
Number of bits in the SF (incl. FCS)
- N SF,C :
-
Mean value of correctly received bits in each SF
- N SFN :
-
Number of bits in the “Number of SFs” field in SH
- N SH :
-
Number of bits in the SH (incl. HCS)
- N SHF :
-
Number of bits in the “SH field” in SH
- P AB :
-
Probability that both ACK-Rq and Blk-ACK are correctly received
- P AR :
-
Probability that the ACK-Rq is correctly received
- p BA :
-
Error probability of the Blk-ACK
- P H :
-
Probability that all headers are correctly detected
- p MH :
-
MH error probability
- p PH :
-
PH error probability
- p PL,BA :
-
Error probability of the Blk-ACK payload
- p PR :
-
Mis-detection probability of the preamble
- p R,b :
-
Probability that error occurs in at least one retransmitted SF of the bth AMB
- p SF :
-
SF error probability
- p SH :
-
SH error probability
- p SH,L :
-
Error probability of the SH in the last PHY-frame
- T A :
-
Expected transmission duration of an AMB including the ACK process
- T ACK :
-
Mean duration of the ACK process
- T b :
-
Bit duration of the PHY-frame payload in ns
- T BA :
-
Duration of the Blk-ACK frame
- T MH :
-
Duration of MH in ns
- T PH :
-
Duration of PH in ns
- T SH :
-
Duration of SH in ns
- T SF :
-
Duration of SF in ns
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Luo, J., Kortke, A. & Keusgen, W. An Efficient Frame Aggregation and Block-ACK Scheme for 60 GHz Short-Range Point-to-Point Transmission. Wireless Pers Commun 69, 53–73 (2013). https://doi.org/10.1007/s11277-012-0560-3
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DOI: https://doi.org/10.1007/s11277-012-0560-3