The scope of this document is to define the Media Access Control
\n\/ Radio Link Adaptation layer, or MAC\/RLA layer, of the Wideband
\nAir Interface (WAI). The WAI called UW is the interface between the
\nFixed Network Equipment (FNE) and the Mobile Radio (MR), or
\ndirectly between MRs in a wideband system. The general wideband
\nsystem model is shown in Figure 1 and illustrates the Radio to FNE
\nConfiguration as defined in [1]. A Vehicular Repeater (VR) may
\nadditionally act as a relay between Fixed Station (FS) and MR when
\ncoverage limitations require the use of this local coverage area
\nextension.<\/p>\n
The WAI reference point UW is between the FS and MR, or MR to
\nMR, and is used for wireless communications between these
\nfunctional groups. OSI layers 1 and 2 are the specified scope of
\nthe implementation of the UW services. The MAC layer is the lowest
\nsub layer of OSI layer 2 and directly interfaces with the physical
\nlayer.<\/p>\n
This document concentrates on the WAI MAC, whose function is to
\ndefine the procedures and message formats that allow multiple MRs
\nto efficiently share the physical and logical radio channel(s). The
\nfunctions allocated to the MAC layer include the following major
\naspects:<\/p>\n
\u2022 Frequency configurations, logical channels, and
\nsynchronization<\/p>\n
\u2022 Channel access, allocation of channel resources, and
\ncontention resolution<\/p>\n
\u2022 Dynamic radio link adaptation control<\/p>\n
\u2022 Radio power, and energy conservation management<\/p>\n
\u2022 Radio channel encryption and scrambling<\/p>\n
\u2022 MAC layer services, procedures, and PDU definitions<\/p>\n
This standard does not include any specific functions that may
\nbe required for the VR link configuration operation. The specific
\nMAC\/RLA operation in the VR configuration will be defined in a
\nfuture standard.<\/p>\n","protected":false},"excerpt":{"rendered":"
Wideband Air Interface – Media Access Control Radio Link Adaptation (MAC\/RLA) Layer Specification<\/b><\/p>\n\n\n
\n Published By<\/td>\n Publication Date<\/td>\n Number of Pages<\/td>\n<\/tr>\n \n TIA<\/b><\/a><\/td>\n 2007<\/td>\n 122<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":691979,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2646],"product_tag":[],"class_list":{"0":"post-691971","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-tia","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/691971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/691979"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=691971"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=691971"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=691971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}